CN107097523A - Laser ink-jet printing technique - Google Patents
Laser ink-jet printing technique Download PDFInfo
- Publication number
- CN107097523A CN107097523A CN201611104432.2A CN201611104432A CN107097523A CN 107097523 A CN107097523 A CN 107097523A CN 201611104432 A CN201611104432 A CN 201611104432A CN 107097523 A CN107097523 A CN 107097523A
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- Prior art keywords
- ink
- laser
- jet
- small
- printing technique
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
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- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Abstract
The present invention relates to a kind of laser ink-jet printing technique.Current laser printer types speed is fast, and print quality is high but loom and consumptive material are expensive, and ink-jet printer fuselage is cheap, and consumptive material is also cheap but print speed is slightly slow.The present invention combines the technology of laser printer and ink-jet printer, laser is modulated using laser scanning system, and each small ink chamber for controlling laser deflection to inject in ink gun, small ink chamber inner part produces photo-deformable, small ink chamber inner volume changes, each small ink chamber injection ink droplet in ink gun, so as to realize that drop on demand ink jet is printed.Focusing ultrasonic wave that the optoacoustic effect of the laser that can also be crossed using Periodic intensity modulation is produced realizes ink-jet.Because ink gun part is without circuit, its manufacturing process is low compared with hot bubble type and piezoelectric ink jet technical requirements, and structure is more simply too much than laser printer, and print speed is fast, is easy to be manufactured into page amplitude, easily realizes high-precision printing, use cost is low.
Description
Technical field
The present invention relates to a kind of inkjet technology for spraying ink droplet.This inkjet technology is to combine laser printing
Developed on the basis of machine technology and inkjet printer technologies.
Background technology
Impact printer, ink-jet printer and laser printer account for main flow print status in the market.Stylus printing
Machine is mainly used in bill printing, and conventional printer is mainly laser printer and ink-jet printer.
So-called ink-jet printer, exactly forms word or image by the way that ink droplet is ejected on print media.Early stage
The ink-jet printer of ink-jet printer and current large format is all to use continuous ink jet technology, and the popular spray of current market
Black printer all generally uses random ink-jet technology, is broadly divided into hot bubble type, piezoelectric type by the type of drive of inkjet printing, surpasses
Sound formula and electrostatic.
Ink-jet printer typically more uses hot-bubble ink-jetting technologies, by ink heating in a short time, expansion, presses
Contracting, will form ink dot in ink injection to printing paper.The principle of hot bubble type ink jet printing is that ink is encased in into one very
It is rapid by heating ink to boiling point by a miniature heating cushion in small capillary.Thus generate one very
Small steam bubble, steam bubble expands the top that a melted ink is just ejected into capillary（The instantaneous boiling phenomenon of ultrahigh speed）.Stop
Only heat, ink cooling causes steam condensation to shrink, so as to stop ink flow, until producing steam again next time and generating
One ink droplet.
Piezoelectric ink jet printer is, according to inverse piezoelectric effect principle, shape to be produced under voltage effect using piezoelectric ceramics
Become, and then change sap cavity pressure, liquid is ejected from nozzle at high speeds.Conventional piezoelectric type printing type mainly has four kinds：It is curved
Curved, shearing-force type, extruded shape and contraction cast.Ink droplet control in ink jet process is divided into 3 stages：Before ink ejection operation, pressure
Electric device shrinks slightly under the control of signal first；Then, element produces once larger extension, and ink droplet is released nozzle；
It will be flown away from the moment of nozzle at once in ink droplet, element can be shunk again, cleanly ink level from nozzle contraction.
So, ink droplet liquid level has obtained accurate control, and the ink droplet sprayed every time has perfect shape and correct heading.
Ultrasonic type inkjet printing is conventional to do medicinal atomized and micromass culture.It is by PZT (piezoelectric transducer), dielectric film, black chamber, anti-
Penetrate chamber and nozzle plate is constituted.Dielectric film is covered in PZT (piezoelectric transducer) inner surface, and effect is to make hearth electrode and ink in black chamber exhausted
Edge.And reflection cavity is made of metal, parabolically type.Reflection cavity is overcoating to be stamped nozzle plate, and nozzle is arranged above.Ultrasonic wave by
PZT (piezoelectric transducer) is produced, after dielectric film, along liquid transmissive.Ultrasonic wave is focused near nozzle by reflection cavity, on liquid level
Capilary-tube wave is produced, capilary-tube wave can produce the misty liquid droplets outwards sprayed.Ultrasonic type inkjet printing is simple in construction and can not
Nozzle is set.
Laser printer is derived from the laser phototypesetting technology at the end of the eighties, is popular in the mid-90.It is to sweep laser
Retouch the print out equipment that technology and Electronic Photographing Technology are combined.Its basic functional principle is the binary system transmitted by computer
Data message, vision signal is converted into by Video Controller, then by video interface/control system vision signal is converted to sharp
Optical drive signal, the laser beam for being loaded with character information is then produced by laser scanning system, is finally made to swash by electrophotographic system
Light beam is imaged and is transferred on paper.Specific work process：The laser beam that laser printer is launched by laser, reflected mirror
Enter acousto-optic Deflection modulation device, at the same time, the binary system picture and text lattice information sent by computer delivers to font from interface
Device, the binary pulse information of font needed for being formed, the signal produced by synchronizer controls 9 high-frequency generators, then through frequency
Synthesizer and power amplifier are added on acousto-optic modulator, and the laser beam injected by speculum is modulated.Light after modulation
Beam enters multiple surface rotating mirror, then is incident upon on photoconductor drum (toner cartridge) surface after light beam is focused on through wide-angle focusing mirror, scans angular speed
Become linear velocity scanning, complete whole scanning process.Toner cartridge surface first by filling electrode charge, makes it obtain certain potentials, afterwards
The exposure of laser beam through being loaded with picture and text map information, just forms electrostatic latent image on the surface of toner cartridge, aobvious by magnetic brush development device
Shadow, sub-image is to be transformed into visible carbon dust picture, when by transfer area, and under the electric field action of transfer electrode, carbon dust is just transferred
Onto common paper, last preheated plate and high warm rolling are fixing, i.e., consolidation goes out word and image on paper.
The advantage of laser printer：Print speed is fast, and print quality is high；Shortcoming：Loom and consumptive material are expensive.Ink-jet printer
Advantage：Speed ratio is very fast, and mass ratio is higher（Colour print）Available for photo printing, fuselage is cheap, and consumptive material is relatively cheap；Lack
Point：Consumptive material is not easy to maintain, Yi Gan, cleans cumbersome.
The content of the invention
Present invention aims at proposing that a kind of manufacturing cost is low, simple in construction, it is easy to be manufactured into page amplitude, can sprays at a high speed
Project the laser ink-jet printing technique of ink droplet.
The purpose of the present invention is reached by following measure：Laser ink-jet printing includes print control system, laser and swept
Retouch the parts such as system, ink gun and paper advance mechanism composition.Laser can produce photo-deformable effect or optoacoustic effect, and laser passes through
Photo-deformable material is disposed with each small ink chamber, small ink chamber in scanning irradiation ink gun after laser scanning system deflection focusing, if
There is laser to inject and then produce deformation, the inner volume of small ink chamber changes, pushing ink is spouting from nozzle, so as to complete
Ink jet process；After injection in small ink chamber formed negative pressure sucking ink function, if laser is injected again, ink droplet then again injection and
Go out, go round and begin again on ink droplet need based jet to print media, you can complete whole inkjet printing operation.It can in addition contain pass through
The optoacoustic effect generation ultrasonic wave that Periodic intensity modulation occurs is carried out to laser, by focusing ultrasonic wave to nozzle location or liquid
Face position and make ink droplet spouting.Ultrasonic type ink-jetting style can be not provided with nozzle.
The present invention modulates the power or open and-shut mode of laser using print control system, and passes through laser scanning system control
Laser deflection processed injects part inside and outside each small ink chamber of ink gun, small ink chamber and produces photo-deformable, and small ink chamber inner volume changes, ink-jet
Each small ink chamber injection ink droplet in head, so as to realize that drop on demand ink jet is printed.Or ultrasonic wave is produced come between using optoacoustic effect
Connect ink-jet.Laser scanning system critical piece includes laser generator, laser scanning component etc..Laser scanning system is swashing at present
Optical printer has the product of maturation, using more for rotary mirror type or mirror-vibrating optical scanning system, in addition also phased array electricity
Sub- scanning system, the control such as can be tuned to laser, deflect and focus, and laser is mapped into each small ink chamber of ink gun exactly
Interior, ink gun ejects ink droplet.Laser ink-jet printing technique combines the advantage of laser printer and ink-jet printer, ink gun
Part is without circuit, and manufacturing process and requirement are much lower compared with hot bubble type and piezoelectric ink jet printer, and structure compares laser printer
Simply too much, print speed is fast, is easy to be manufactured into page amplitude, easily realizes high-precision printing, use cost is lower.
For the above-mentioned and other objects, features and advantages of the present invention can be become apparent, with reference to introducing embodiment,
And coordinate accompanying drawing, it is described in detail below.
Brief description of the drawings
Fig. 1 is the structure chart of the ink ejecting sections of first embodiment of the invention.
Fig. 2 is the structure chart of the ink ejecting sections of second embodiment of the invention.
Fig. 3 is the structural representation of " bottom spraying type " ink gun of the invention.
Fig. 4 is a kind of structural representation of the A--A sections of " bottom spraying type " ink gun of the invention.
Fig. 5 is another structural representation of the A--A sections of " bottom spraying type " ink gun of the invention.
Fig. 6 is the structural representation of " lateral spray type " ink gun of the invention.
Fig. 7 is a kind of structural representation of the B--B sections of " lateral spray type " ink gun of the invention.
Fig. 8 is another structural representation of the B--B sections of " lateral spray type " ink gun of the invention.
Fig. 9 is the structural representation of the ink gun of the contraction cast of the present invention.
Figure 10 is a kind of structural representation of the ink gun of the photic ultrasonic ink-jet of the present invention.
Figure 11 is another structural representation of the ink gun of the photic ultrasonic ink-jet of the present invention.
Figure 12 is another structural representation of the ink gun of the photic ultrasonic ink-jet of the present invention.
Figure 13 is the structure chart of the ink ejecting sections of the third embodiment of the present invention.
Embodiment
Laser ink-jet printing includes the parts such as print control system, laser scanning system, ink gun and paper advance mechanism composition.
Here the embodiment of ink ejecting sections is only introduced, remaining part is existing mature technology.Ink ejecting sections mainly include swashing
Photo-scanning system and ink gun.
Fig. 1 is the structure chart of the ink ejecting sections according to first embodiment of the invention, ink gun（2）Inside there is ink or by outside
Print cartridge ink supply.Laser scanning system（1）Modulation, deflection and focusing laser（4）Scanning is irradiated to ink gun successively（2）On, from spray
Black head（2）Interior nozzle（3）Middle need based jet goes out ink droplet.
Fig. 2 is the structure chart of the ink ejecting sections according to second embodiment of the invention, and structure and first embodiment are essentially identical,
Simply nozzle（3）The position of setting is different.
Fig. 3 is the structural representation of " bottom spraying type " ink gun of the invention, cartridge（7）Inside there are a large amount of inks, small ink chamber（5）
And cartridge（7）Pass through matrix（8）Separate, between by entering ink passage（6）It is connected, nozzle（3）It is arranged on small ink chamber（5）Under
Portion.
Fig. 4 is a kind of structural representation of the A--A sections of " bottom spraying type " ink gun of the invention, laser（4）Scanning irradiation
Small ink chamber（5）Outer photo-deformable material（9）, photo-deformable material（9）Deformation is produced, vibrating membrane is driven（10）Cause small ink chamber
（5）Inner volume changes, and pushes small ink chamber（5）Interior ink, drops out from nozzles（3）In it is spouting；After injection, small ink chamber
（5）Interior formation negative pressure, by entering ink passage（6）From cartridge（7）Inspiration ink, you can enter and spray next time.
Fig. 5 is another structural representation of the A--A sections of " bottom spraying type " ink gun of the invention, laser（4）Scanning is shone
It is mapped to small ink chamber（5）Outer photo-deformable material（9）On, photo-deformable material（9）Deform upon, small ink chamber（5）Inner volume is sent out
Changing, directly pushes ink from nozzle（3）In it is spouting；After injection, small ink chamber（5）Interior formation negative pressure, passes through ink feed
Passage（6）From cartridge（7）Inspiration ink, you can enter and spray next time.
Fig. 6 is the structural representation of " lateral spray type " ink gun of the invention, cartridge（7）Inside there are a large amount of inks, small ink chamber（5）
And cartridge（7）Pass through matrix（8）Separate, between by entering ink passage（6）It is connected, nozzle（3）It is arranged on small ink chamber（5）Side
Face.
Fig. 7 is a kind of structural representation of the B--B sections of " lateral spray type " ink gun of the invention, laser（4）Scanning irradiation
Small ink chamber（5）Outer photo-deformable material（9）, photo-deformable material（9）Deformation is produced, vibrating membrane is driven（10）Cause small ink chamber
（5）Inner volume changes, and pushes small ink chamber（5）Interior ink, ink is from nozzle（3）In it is spouting；After injection, small ink chamber
（5）Interior formation negative pressure, by entering ink passage（6）From cartridge（7）Inspiration ink, you can enter and spray next time.
Fig. 8 is another structural representation of the B--B sections of " lateral spray type " ink gun of the invention, laser（4）Scanning is shone
It is mapped to small ink chamber（5）Outer photo-deformable material（9）On, photo-deformable material（9）Deform upon, small ink chamber（5）Inner volume is sent out
Changing, directly pushes ink from nozzle（3）In it is spouting；After injection, small ink chamber（5）Interior formation negative pressure, passes through ink feed
Passage（6）From cartridge（7）Inspiration ink, you can enter and spray next time.
Fig. 9 is the structural representation of the ink gun of the contraction cast of the present invention, laser（4）Scanning is irradiated to the little Mo of tubulose
Room（5）Outer photo-deformable material（9）On, photo-deformable material（9）Deform upon, the small ink chamber of tubulose（5）Contraction distortion, is pushed away
Ink is squeezed from nozzle（3）In it is spouting；After injection, small ink chamber（5）Interior formation negative pressure, by entering ink passage（6）From cartridge
（7）Inspiration ink, you can enter and spray next time.
Figure 10 is a kind of structural representation of the ink gun of the photic ultrasonic ink-jet of the present invention, by Periodic intensity modulation
Laser（4）Scanning is irradiated to small ink chamber（5）Outer optoacoustic effect material（11）On, optoacoustic effect material（11）Produce ultrasound
Ripple, through interlayer（12）Ultrasonic wave is conducted to reflection cavity（13）, reflection cavity（13）By focusing ultrasonic wave to nozzle（3）Near,
Capilary-tube wave is produced in liquid level, capilary-tube wave produces the drop outwards sprayed.
Figure 11 is another structural representation of the ink gun of the photic ultrasonic ink-jet of the present invention, is adjusted by periodic intensity
The laser of system（4）Scanning is irradiated to small ink chamber（5）Outer optoacoustic effect material（11）On, optoacoustic effect material（11）Produce ultrasound
Ripple, ultrasonic wave is through focusing acoustic lenses layer（14）Focus to nozzle（3）Near, in nozzle（3）Liquid level produces capilary-tube wave, capillary
Tube wave produces the drop outwards sprayed.
Figure 12 is another structural representation of the ink gun of the photic ultrasonic ink-jet of the present invention, is adjusted by periodic intensity
The laser of system（4）Scanning is irradiated to small ink chamber（5）Outer optoacoustic effect material（11）On, optoacoustic effect material（11）Produce ultrasound
Ripple, is directed through focusing acoustic lenses layer（14）By focusing ultrasonic wave to liquid level, capilary-tube wave is produced in liquid level, capilary-tube wave is produced
The drop outwards sprayed.
Figure 13 is the structure chart of the ink ejecting sections of the third embodiment of the present invention, ink gun（2）Inside there is ink or by outside
Print cartridge ink supply.Laser scanning system（1）Modulation, deflection laser（4）By reflective mirror（10）An angle is reflected, scanning successively is shone
It is mapped to ink gun（2）On, from ink gun（2）Interior nozzle（3）Middle need based jet goes out ink droplet.
Photo-deformable material can also be arranged on the inside of small ink chamber.The mode of photo-deformable ink-jet is beaten with piezoelectric ink jet
The ink-jetting style of print is similar, and ink-jetting style mainly has flexure type, shearing-force type, extruded shape, contraction cast.Laser scanning system can
The laser rotary mirror type optical scanning system used using laser printer, need to only change the laser of high-energy when laser power is inadequate
Head.Laser scanning component inside laser scanning system, can use mechanical rotating mirror or galvanometer, audio-optical deflection, electro-optical deflection
With the mode such as phased array.
In addition, the reliability to ensure ink-jet system, can be laser scanning system, ink gun or even and print cartridge one
Change, to reduce the external actions such as dust, steam.Split type combination can also be used, to increase the recycling rate of waterused of each component.
The laser inkjet technology of the present invention is not limited to printer, is equally applicable to other and needs to use need based jet
Device on.
Although according to above-mentioned embodiment, the present invention is described, it is clear that those skilled in the art can be with
Various replacements, modification are carried out to the present invention and is converted.Above-mentioned preferred embodiment is of the invention only for explanation, rather than for limiting
The fixed present invention's.In the case of without prejudice to the scope of the claims in the present invention, the present invention can be variously changed.
Claims (9)
1. a kind of laser ink-jet printing technique, it is characterised in that：By print control system, laser scanning system, ink gun and walk
The parts such as mechanism of paper are constituted.
2. laser ink-jet printing technique according to claim 1, it is characterised in that：Ink ejecting sections mainly include laser scanning
System and ink gun.
3. laser ink-jet printing technique according to claim 1, it is characterised in that：Laser scanning system modulation, deflection and
Focusing laser is irradiated to each small ink chamber of ink gun.
4. laser ink-jet printing technique according to claim 1, it is characterised in that：Small ink chamber and ink are provided with ink gun
Storehouse, cartridge has ink, is connected between small ink chamber and cartridge by entering ink passage, and nozzle is provided with small ink chamber.
5. laser ink-jet printing technique according to claim 1, it is characterised in that：The inner or outer setting of each small ink chamber is photic
Shape-changing material, produces photo-deformable after laser irradiation, causes small ink chamber inner volume to change, push ink injection.
6. laser ink-jet printing technique according to claim 1, it is characterised in that：Can swashing by Periodic intensity modulation
The outer optoacoustic effect material of the small ink chamber of light irradiation occurs optoacoustic effect and produces ultrasonic wave, by focus on or reflectance ultrasound ripple to nozzle or
Near liquid level, capilary-tube wave is produced in liquid level, capilary-tube wave produces the drop outwards sprayed.
7. laser ink-jet printing technique according to claim 1, it is characterised in that：The mode of nozzle injection ink droplet has side spray
Formula and bottom spraying type etc..
8. laser ink-jet printing technique according to claim 1, it is characterised in that：Laser scanning system, ink gun can be with
Make, split type can also combine with print cartridge integration.
9. laser ink-jet printing technique according to claim 1, it is characterised in that：The inkjet technology of the present invention is not limited
In printer, it is applicable to other and needs to use on the device of need based jet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611104432.2A CN107097523A (en) | 2016-12-05 | 2016-12-05 | Laser ink-jet printing technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611104432.2A CN107097523A (en) | 2016-12-05 | 2016-12-05 | Laser ink-jet printing technique |
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| Publication Number | Publication Date |
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| CN107097523A true CN107097523A (en) | 2017-08-29 |
Family
ID=59676349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201611104432.2A Pending CN107097523A (en) | 2016-12-05 | 2016-12-05 | Laser ink-jet printing technique |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108688153A (en) * | 2018-06-26 | 2018-10-23 | 珠海天威飞马打印耗材有限公司 | Print head, three-dimensional printer and its Method of printing |
| CN110356116A (en) * | 2019-08-27 | 2019-10-22 | 合肥鑫晟光电科技有限公司 | The print head and ink-jet printer of ink-jet printer |
| CN115195305A (en) * | 2021-04-12 | 2022-10-18 | 浙江爱旭太阳能科技有限公司 | Printing equipment for industrial production and printing method thereof |
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| EP1008451A2 (en) * | 1998-12-09 | 2000-06-14 | Scitex Corporation Ltd. | Laser-initiated ink-jet printing method and apparatus |
| US6231162B1 (en) * | 1995-04-21 | 2001-05-15 | Maximovsky Sergei Nikolaevich | Ink-jet printing method and an ink-jet printing head |
| CN101380846A (en) * | 2007-09-04 | 2009-03-11 | 谷京陆 | Laser inking digital printing technique |
| CN102019753A (en) * | 2009-09-15 | 2011-04-20 | 韦翔 | Laser ink-jetting head |
| CN105555539A (en) * | 2013-09-20 | 2016-05-04 | 惠普发展公司，有限责任合伙企业 | Printbar and method of forming same |
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2016
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6231162B1 (en) * | 1995-04-21 | 2001-05-15 | Maximovsky Sergei Nikolaevich | Ink-jet printing method and an ink-jet printing head |
| EP1008451A2 (en) * | 1998-12-09 | 2000-06-14 | Scitex Corporation Ltd. | Laser-initiated ink-jet printing method and apparatus |
| CN101380846A (en) * | 2007-09-04 | 2009-03-11 | 谷京陆 | Laser inking digital printing technique |
| CN102019753A (en) * | 2009-09-15 | 2011-04-20 | 韦翔 | Laser ink-jetting head |
| CN105555539A (en) * | 2013-09-20 | 2016-05-04 | 惠普发展公司，有限责任合伙企业 | Printbar and method of forming same |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108688153A (en) * | 2018-06-26 | 2018-10-23 | 珠海天威飞马打印耗材有限公司 | Print head, three-dimensional printer and its Method of printing |
| CN111590893A (en) * | 2018-06-26 | 2020-08-28 | 珠海天威飞马打印耗材有限公司 | Print head and three-dimensional printer |
| CN111590893B (en) * | 2018-06-26 | 2024-03-08 | 珠海天威增材有限公司 | Printing head and three-dimensional printer |
| CN108688153B (en) * | 2018-06-26 | 2024-04-19 | 珠海天威增材有限公司 | Printing head, three-dimensional printer and printing method thereof |
| CN110356116A (en) * | 2019-08-27 | 2019-10-22 | 合肥鑫晟光电科技有限公司 | The print head and ink-jet printer of ink-jet printer |
| CN115195305A (en) * | 2021-04-12 | 2022-10-18 | 浙江爱旭太阳能科技有限公司 | Printing equipment for industrial production and printing method thereof |
| CN115195305B (en) * | 2021-04-12 | 2023-09-29 | 浙江爱旭太阳能科技有限公司 | Printing equipment for industrial production and printing method thereof |
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