CN105398218A - Jet printing system of ink-jet printer - Google Patents
Jet printing system of ink-jet printer Download PDFInfo
- Publication number
- CN105398218A CN105398218A CN201510929258.4A CN201510929258A CN105398218A CN 105398218 A CN105398218 A CN 105398218A CN 201510929258 A CN201510929258 A CN 201510929258A CN 105398218 A CN105398218 A CN 105398218A
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- ink
- nozzle
- ink dot
- crystal oscillator
- dot
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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
- B41J2/06—Ink jet characterised by the jet generation process generating single droplets or particles on demand by electric or magnetic field
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- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Abstract
The invention relates to a jet printing system of an ink-jet printer. The number of nozzles is increased in the same crystal oscillation cavity; the flying deflection direction and deflection height of ink points are changed by controlling the charging polarity and charging amount of the ink points sprayed out of the nozzles for jet printing; and corresponding spray head structures are arranged, and by means of circuit and communication control and printing software, the aims that the printable maximum dot matrix height and maximum printing speed are greatly increased, and the height of the content actually jetted and printed is increased are achieved. Thus, the application field of the ink-jet printer is greatly widened, and the industrial production efficiency is improved.
Description
Technical field
The present invention relates to a kind of sprayed printed system of ink jet numbering machine.
Background technology
At present, inkjet technology is divided on demand piezoelectric formula (DropOnDemand is called for short DOD) and continuous ink jet (continuousinkjetprinting is called for short CIJ) two kinds.The former is with U.S. HP, and Britain Sai Er, Japanese Minolta, Canon etc. are representative, be used for office desktop printer and various planar object, can the printing on water imbibition surface.The latter for representative, is mainly used in field of industrial production with the Domino of the Videojet of the Imaje of France, the U.S., Britain, various product does not contact, the various mark of high speed spray printing, such as bar code, numeral, letter, Quick Response Code, QR code, date, lot number etc.Usually, ink jet numbering machine maximum can spray printing speed, maximumly can have objective restriction in the height aspect of content that goes out of spray printing dot matrix height and spray printing, become the bottleneck expanding range of application.
CIJ technology is a kind of technology realizing inkjet printing based on continous inkjet, ink dot charging, the principle that deflects in high voltage electric field.
CIJ ink-jetting style as shown in Figure 1, it adopts single injector, by crystal oscillator chamber (band nozzle) in structure, charging pole, detect pole, high-voltage deflection plate and accumulator tank composition, ink enters crystal oscillator chamber under a certain pressure, drive singal is added on crystal oscillator, crystal oscillator produces concussion, the ink dot be separated one by one is fractured into after jet hole ejection, charge in ink dot separation process pole CPU control under charge to ink dot selectively, the change of charging pole tension must be synchronous with the fracture of ink dot, reach optimal charge effect, therefore, need the charging interval determining charging pole according to the phase place of the sine wave of the oscillator signal of crystal oscillator, reach synchronous effect.Ink dot continues to fly to when detecting pole afterwards, and institute's carried charge detects by detecting pole timing, and the signal of telecommunication of generation sends to CPU after circuit special disposal, for controlling the charging signals of charging pole to the accurate charging of ink dot.When ink dot flight is through high-voltage deflection plate, electrostatic high-pressure electric field applies the active force perpendicular to heading to ink dot, is deflected by the heading of the ink dot charged.The carried charge of ink dot is larger, deflects larger.Fly out behind deflecting plates region and get to by spray printing mobile object surface.Do not deflected by the ink dot charged in charging pole, directly fly into the accumulator tank of negative pressure, recycled by the ink set drawing back ink jet numbering machine.Charging signals participates in the ink dot charging of spray printing according to different plateau voltages to each, usual charging signals charges according to voltage step from low to high, now after ink dot result deflecting region, deflection angle also increases gradually, arrives by the assigned address of spray printing body surface to control ink dot.
Usually, ink jet numbering machine adopts single crystal oscillator chamber, single injector, and the dot matrix height of energy spray printing is below 32 o'clock, and reticular density is also lower, for the nozzle of about 70um diameter, usually at about 60dpi in the printing distance of 25mm.The dot matrix height higher spray printing speed of spray printing is slower.So just limit the range of application of ink jet numbering machine.
The word printed is described by some row dot matrix and forms, 7 × 5 dot charts of letter e as shown in Figure 2, and the dot matrix that it is 7 by 5 row dot matrix height describes.Wherein, the direction perpendicular to row is x direction, and by the direction of motion of printing objects, the direction of row is Y-direction, is ink dot yawing moment.When being moved by printing objects, after the row point in ink jet printer for printing this font dot matrix complete figure, then order spray printing next column point, thus print the character or pattern that are made up of ink dot dot matrix.
Usually, the step of charging is 32, and that is the dot matrix height of spray printing is 32 points.If increase charging step again, because ink dot state of flight becomes increasingly complex, is difficult to control, ink dot usually flies, less than position accurately, to cause print quality to ensure.
In sum, the ink jet numbering machine of the single injector structure of CIJ technology is adopted mainly to there are following three technical bottlenecks:
One, the charging pole of code spraying machine shower nozzle adopts plateau voltage, needs the distance departed to charge by the voltage of different step, be usually up to 32 steps according to ink dot.If super superpotential point of number of stages is more than 32, then need to continue to increase charging step, can cause because ink dot state of flight becomes increasingly complex, the track flown in atmosphere is difficult to control, ink dot usually flies, less than position accurately, to cause spray printing quality to ensure.
Its two, the word that ink jet numbering machine prints be made up of some row dot matrix, by controlling the direction that ink dot deflects, thus prints the character or pattern that are made up of ink dot dot matrix.Charging pole due to code spraying machine shower nozzle adopts plateau voltage to be classified as 32, also just means that the ink dot yawing moment that can control has 32 kinds, so the dot matrix height of usual spray printing is 32.When the content of required printing is more than 32 dot matrix, there are such two kinds of ways in CIJ ink jet numbering machine producer.One is adopt many shower nozzles, and each shower nozzle is responsible for a spray printing part, and the content of different shower nozzle ejection is spliced up and down by mechanic adjustment unit.Two is on same shower nozzle, install another set of spray chamber, charging pole, detection pole and high-voltage deflection plate additional, D.D nozzle structure schematic diagram as shown in Figure 3.But this way Problems existing must be remained on the printing of regulation apart from upper by the product surface printed always, because ink jet numbering machine prints according to graphic dot matrix column major order, slightly deviation, the adjacent portions of the content that upper two nozzle printings of same row go out or have overlap up and down, separate up and down, thus cause dislocation or the distortion of print What.And object on a moving belt high-speed cruising time, this vibrations are difficult to avoid.
Usually, effective spray printing distance of ink jet numbering machine is within 25mm, and the height upper limit of spray printing content is about 13mm.When spray printing content height will higher time, such as more than 20mm, the way being printed distance by adjustment high-voltage deflection electric field or elongation can cause print quality degradation, because the distance between ink dot is pulled open excessive, the density of point diminishes, cause print What lighter, identification unclear, thus industrial production needs cannot be met.This is second technical bottleneck of ink jet numbering machine.
Its three, usually, the number of ink droplets that the spray chamber of ink jet numbering machine sprays within the unit interval is fixing, cause can be used for print number of ink dots be limited.The way of reply is improved the means such as the operating frequency of crystal oscillator in spray chamber, the utilization ratio of raising ink dot, be subject to the restriction of frame for movement, ink characteristics and crystal oscillator self, the operating frequency of general crystal oscillator can only at below 130KHZ, and crystal oscillator frequency is higher, the utilization ratio of printed dots is also along with decline, so relying on the spray volume improving ink droplet in the unit interval to improve spray printing speed neither very effective solution, and this is the 3rd technical bottleneck of ink jet numbering machine.
Summary of the invention
Object of the present invention: aim to provide a kind of structure simple, produce and use cost lower, effectively can increase print speed, improve a kind of ink jet printer for printing system and the jet printing method thereof of matrix of printed dots and print What height.
The sprayed printed system of this ink jet numbering machine, comprise shower nozzle and conveyer belt, described shower nozzle comprises the crystal oscillator being placed in crystal oscillator chamber, be located at the charging pole below crystal oscillator chamber successively, detect pole and deflecting plates, it is characterized in that, described crystal oscillator chamber cavity is at least provided with two in order to spray the nozzle of ink dot, described shower nozzle also comprises grounding electrode plate, described grounding electrode plate is arranged on two adjacent ink dot jet path central authorities, described charging pole and detect extremely correspondence and be arranged on ink dot jet path periphery; Forms the ink dot passage corresponding with nozzle location between described grounding electrode plate with charging pole, described nozzle injection contact ink dot drops on by the assigned address of printed matter successively behind charging zone, detection pole and the deflecting region that is made up of one group of deflecting plates, completes spray printing.
Lower end, described crystal oscillator chamber is provided with nozzle piece, and described nozzle is arranged on nozzle piece.
Described arrangement of nozzles point-blank.
Described nozzle is along conveyer belt direction deflection certain angle.
Accumulator tank is provided with, for the ink dot that recovery flight direction does not deflect below described deflecting region.
Described conveyer belt is provided with synchronized.
Accompanying drawing explanation
Fig. 1 is CIJ code spraying machine shower nozzle fundamental diagram
Fig. 2 is 7 × 5 dot charts of letter e;
Fig. 3 is D.D nozzle structure schematic diagram;
Fig. 4 is the structural representation of embodiments of the invention one;
Fig. 5 is the stationary print ink dot view of the embodiment of the present invention one;
Fig. 6 is the motion printed dots view of the embodiment of the present invention one;
Fig. 7 is the structural scheme of mechanism of the embodiment of the present invention two;
Fig. 8 is the stationary print ink dot view of the embodiment of the present invention two;
Fig. 9 is the motion printed dots view of the embodiment of the present invention two.
Under 1-crystal oscillator chamber 2-crystal oscillator 301-charging pole 302-charging pole 4-earth electrode 501-detects pole 502-detection pole 601-upper deflecting plate 602-, deflecting plates 7-accumulator tank 8-is by printed matter 9-conveyer belt 101-nozzle 102-nozzle 11-ink 12-synchronized 13-crystal oscillator drive singal 14-nozzle piece 3011-charging pole charging signals 3021-charging pole charging signals.
Detailed description of the invention
We further describe in detail this ink jet printer for printing system with concrete example by reference to the accompanying drawings below.
Embodiment one.
As shown in Figure 4, the sprayed printed system of this ink jet numbering machine, comprise shower nozzle and conveyer belt, described shower nozzle comprises the crystal oscillator being placed in crystal oscillator chamber, be located at the charging pole below crystal oscillator chamber successively, detect pole and deflecting plates, described crystal oscillator chamber cavity is provided with two in order to spray the nozzle of ink dot, and described shower nozzle also comprises grounding electrode plate, described grounding electrode plate is arranged on two adjacent ink dot jet path central authorities, described charging pole and detect extremely correspondence and be arranged on ink dot jet path periphery; Forms the ink dot passage corresponding with nozzle location between described grounding electrode plate with charging pole, described nozzle injection contact ink dot drops on by the assigned address of printed matter successively behind charging zone, detection pole and the deflecting region that is made up of one group of deflecting plates, completes spray printing.Lower end, described crystal oscillator chamber is provided with nozzle piece, and described nozzle is arranged on nozzle piece.
Described nozzle is along conveyer belt direction deflection certain angle.
Be provided with accumulator tank below described deflecting region, accumulator tank is provided with the recovery holes of the ink dot do not deflected for recovery flight direction, and keeps negative pressure, the circulation of the ink dot of recovery can be entered ink jet printer recycling.
Described conveyer belt is provided with synchronized.
When carrying out spatterwork, first need according to by by the region to be printed of printed matter, and the speed of conveyer belt, the position of adjustment code spraying machine shower nozzle and nozzle, the ink dot ejected due to nozzle is drop on the appointed area by printed matter successively after being through charging and deflection, relative to nozzle in print procedure, by printed matter be continue advance, the flying distance of each ink dot is not identical with the flight time, the ink dot of same row is caused to be presented tilt condition by printed matter, can not perpendicular to by the direction of advance of printed matter, so need nozzle edge by printed matter direction of advance inclination certain angle, make the line of two nozzles with by printed matter direction of advance not in same plane, can ensure that the ink dot of same row is all arranged in by the vertical line of printed matter direction of advance, guarantee print quality.
Secondly, in sprayed printed system, certain pressure is applied to ink, ink is penetrated from nozzle, crystal oscillator 2 in crystal oscillator chamber 1 produces concussion under the driving of drive singal, by penetrate from nozzle continuous ink line splitting certain frequency, a certain size, the ink dot of a determining deviation, ink 11 is separated into independently ink dot separately after the nozzle 101 nozzle piece and nozzle 102 spray, and forms ink dot line.Charged by the ink dot of charging zone in charging pole 301 and charging pole 302 under respective charging signals controls, detect pole 501 and detect pole 502 and monitor charging quality respectively, CPU changes the phase place of charging signals to ensure optimal charge state according to the signal detected at any time.Ink dot enters into by the high-voltage deflection electric field having upper deflecting plate 601 and lower deflecting plates 602 to form along jet path subsequently, and now charged ink dot deflects, and yawing moment is identical.Afterwards, ink dot flies to by the surface of printing objects 8.If setting X-axis is the direction of motion of conveyer belt 9, Y-axis is ink dot yawing moment, and Z axis is perpendicular to by the direction on printing objects 8 surface.
When carrying out spray printing, the ink dot intersection that a row ink dot is sprayed by two nozzles is formed.For the row point that spray printing dot matrix height is 7,1., 3., 5., 7. wherein the put by the ink dot of nozzle 101 successively spray printing, and 2., 4., 6. the put by the ink dot of nozzle 102 successively spray printing.When stationary print, as shown in Figure 5, what spray printing went out is by 1., 3., 5., 7. and 2., 4., 6. putting the 2 row points formed, object is needed to move during ink jet numbering machine work, such as on the conveyer belt 9 of production line, monitor by the translational speed of spray printing object by synchronized 12, as shown in Figure 6, thus two row point spray printings can be controlled very accurately point-blank.When carrying out spray printing, nozzle is actionless.The movement velocity of synchronized perception conveyer belt the CPU sent a signal on ink jet numbering machine interior circuit board, CPU calculate time interval when two row ink dot spray printings export according to the distance between two nozzles.The first spray printing of one row, when spray printing is when being moved to certain position by the row ink dot on printing objects surface, spray printing secondary series, thus two row ink dots overlap point-blank.
In like manner, if want the content of spray printing 64 dot matrix height, the ink dot of nozzle 101 can spray printing odd point wherein, the ink dot spray printing even number point wherein of nozzle 102.For traditional single injector shower nozzle, during spray printing 32 dot matrix height, spray printing distance is about 25mm to the maximum, and the height of the content that spray printing goes out is about 13mm.The content height that the Double-nozzle sprayer of this patent goes out apart from constant, spray printing at spray printing is constant, spray printing density of ink is doubled, and can the dot matrix height of spray printing double.Certainly, the work allocation of nozzle 101 and nozzle 102 can arrange arbitrarily, such as, and nozzle 101 spray printing even number point, nozzle 102 spray printing odd point; Nozzle 101 spray printing the 1 to the 32 point, nozzle 102 spray printing the 33rd to the 64th point, etc., these easily realize by software control.
Embodiment two.
As shown in Figure 7, when the ink dot spraying to nozzle 101 and nozzle 102 fills the electric charge of opposed polarity, below described deflecting region, be provided with two accumulator tanks that heading when not charging with ink dot is corresponding.
The yawing moment of ink dot is contrary.Nozzle 101 and each spray printing one of nozzle 102 arrange the first half and the latter half of point.If do not moved by printed matter 8, what spray printing went out is two line segments, as shown in Figure 8.If by printed matter 8 along with conveyer belt 9 moves, two line segments can be made to get on straight line by the accurate control of synchronized 12, as shown in Figure 9.Compared to common traditional sprinkler heads, shower nozzle of the present invention doubles at spray printing apart from achieving print speed constant equally and can the maximum dot matrix height of spray printing double, and the height of content that spray printing goes out simultaneously doubles.
Claims (6)
1. the sprayed printed system of an ink jet numbering machine, comprise shower nozzle and conveyer belt, described shower nozzle comprises the crystal oscillator being placed in crystal oscillator chamber, be located at the charging pole below crystal oscillator chamber successively, detect pole and deflecting plates, it is characterized in that, described crystal oscillator chamber cavity is at least provided with two in order to spray the nozzle of ink dot, described shower nozzle also comprises grounding electrode plate, described grounding electrode plate is arranged on two adjacent ink dot jet path central authorities, described charging pole and detect extremely correspondence and be arranged on ink dot jet path periphery; Forms the ink dot passage corresponding with nozzle location between described grounding electrode plate with charging pole, described nozzle injection contact ink dot drops on by the assigned address of printed matter successively behind charging zone, detection pole and the deflecting region that is made up of one group of deflecting plates, completes spray printing.
2. the sprayed printed system of a kind of ink jet numbering machine as claimed in claim 1, is characterized in that: lower end, described crystal oscillator chamber is provided with nozzle piece, and described nozzle is arranged on nozzle piece.
3. the sprayed printed system of a kind of ink jet numbering machine as claimed in claim 1 or 2, is characterized in that: described arrangement of nozzles point-blank.
4. the sprayed printed system of a kind of ink jet numbering machine as claimed in claim 1 or 2, is characterized in that: described nozzle is along conveyer belt direction deflection certain angle.
5. the sprayed printed system of a kind of ink jet numbering machine as claimed in claim 1, is characterized in that: be provided with accumulator tank below described deflecting region, for the ink dot that recovery flight direction does not deflect.
6. the sprayed printed system of a kind of ink jet numbering machine as claimed in claim 1, is characterized in that: described conveyer belt is provided with synchronized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510929258.4A CN105398218A (en) | 2015-12-14 | 2015-12-14 | Jet printing system of ink-jet printer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510929258.4A CN105398218A (en) | 2015-12-14 | 2015-12-14 | Jet printing system of ink-jet printer |
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| CN105398218A true CN105398218A (en) | 2016-03-16 |
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| CN201510929258.4A Pending CN105398218A (en) | 2015-12-14 | 2015-12-14 | Jet printing system of ink-jet printer |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105584218A (en) * | 2016-02-01 | 2016-05-18 | 厦门英杰华机电科技有限公司 | CIJ code spraying system with double parallel nozzles |
| CN106313896A (en) * | 2016-08-23 | 2017-01-11 | 厦门英杰华机电科技有限公司 | Viscosity detection method for ink-jet printer |
| CN107685539A (en) * | 2017-09-22 | 2018-02-13 | 京东方科技集团股份有限公司 | Ink jet printing head, ink-jet system for measuring quantity and method and ink-jet amount control method |
| CN109094200A (en) * | 2018-08-08 | 2018-12-28 | 华中科技大学 | A kind of adjustable array integrated form jet printing appts of spatial distribution and method |
| CN110757954A (en) * | 2019-10-31 | 2020-02-07 | 广州市贝云科技有限公司 | Spray head, ink jet printer and ink jet printing method |
| CN111070893A (en) * | 2019-12-31 | 2020-04-28 | 江西师范高等专科学校 | Intelligent printing equipment |
| CN111098597A (en) * | 2020-01-07 | 2020-05-05 | 广州卓研机电设备有限公司 | Structure for adjusting included angle of deflection plate of ink jet numbering machine in motor-driven mode |
| CN111152564A (en) * | 2018-11-08 | 2020-05-15 | 上海美创力罗特维尔电子机械科技有限公司 | Detachable side plate for conveniently replacing crystal oscillator |
| CN112455091A (en) * | 2020-12-08 | 2021-03-09 | 安徽辉瑞轨道智能设备有限公司 | Ink jet numbering machine for railway |
| CN113211997A (en) * | 2021-04-21 | 2021-08-06 | 四川天邑康和通信股份有限公司 | Intelligent jet printing production process control method for double parallel butterfly-shaped lead-in optical cable |
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| CN105584218A (en) * | 2016-02-01 | 2016-05-18 | 厦门英杰华机电科技有限公司 | CIJ code spraying system with double parallel nozzles |
| CN106313896A (en) * | 2016-08-23 | 2017-01-11 | 厦门英杰华机电科技有限公司 | Viscosity detection method for ink-jet printer |
| CN106313896B (en) * | 2016-08-23 | 2017-11-17 | 厦门英杰华机电科技有限公司 | Ink jet numbering machine method for detecting viscosity |
| CN107685539A (en) * | 2017-09-22 | 2018-02-13 | 京东方科技集团股份有限公司 | Ink jet printing head, ink-jet system for measuring quantity and method and ink-jet amount control method |
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| CN109094200A (en) * | 2018-08-08 | 2018-12-28 | 华中科技大学 | A kind of adjustable array integrated form jet printing appts of spatial distribution and method |
| CN109094200B (en) * | 2018-08-08 | 2019-09-27 | 华中科技大学 | A kind of adjustable array integrated form jet printing method of spatial distribution |
| CN111152564A (en) * | 2018-11-08 | 2020-05-15 | 上海美创力罗特维尔电子机械科技有限公司 | Detachable side plate for conveniently replacing crystal oscillator |
| CN110757954A (en) * | 2019-10-31 | 2020-02-07 | 广州市贝云科技有限公司 | Spray head, ink jet printer and ink jet printing method |
| CN111070893A (en) * | 2019-12-31 | 2020-04-28 | 江西师范高等专科学校 | Intelligent printing equipment |
| CN111098597A (en) * | 2020-01-07 | 2020-05-05 | 广州卓研机电设备有限公司 | Structure for adjusting included angle of deflection plate of ink jet numbering machine in motor-driven mode |
| CN112455091A (en) * | 2020-12-08 | 2021-03-09 | 安徽辉瑞轨道智能设备有限公司 | Ink jet numbering machine for railway |
| CN113211997A (en) * | 2021-04-21 | 2021-08-06 | 四川天邑康和通信股份有限公司 | Intelligent jet printing production process control method for double parallel butterfly-shaped lead-in optical cable |
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