CN108819485B - High-speed ink drop anti-interference device and anti-interference method - Google Patents
High-speed ink drop anti-interference device and anti-interference method Download PDFInfo
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- CN108819485B CN108819485B CN201810920023.2A CN201810920023A CN108819485B CN 108819485 B CN108819485 B CN 108819485B CN 201810920023 A CN201810920023 A CN 201810920023A CN 108819485 B CN108819485 B CN 108819485B
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000033001 locomotion Effects 0.000 claims abstract description 53
- 238000007641 inkjet printing Methods 0.000 claims abstract description 37
- 238000007639 printing Methods 0.000 claims abstract description 18
- 230000000630 rising effect Effects 0.000 abstract 1
- 238000013139 quantization Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B41J2/02—Ink jet characterised by the jet generation process generating a continuous ink jet
- B41J2/03—Ink jet characterised by the jet generation process generating a continuous ink jet by pressure
-
- 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
- B41J2/07—Ink jet characterised by jet control
- B41J2/11—Ink jet characterised by jet control for ink spray
-
- 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
- B41J2/02—Ink jet characterised by the jet generation process generating a continuous ink jet
- B41J2/03—Ink jet characterised by the jet generation process generating a continuous ink jet by pressure
- B41J2002/031—Gas flow deflection
Landscapes
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Ink Jet (AREA)
Abstract
The invention provides a high-speed ink drop anti-interference device and an anti-interference method, which solve the technical problem that the ink jet precision is reduced along with the rising of the printing speed in the existing printing process. The anti-interference device comprises an air knife and is used for forming an air curtain which is controlled in real time to counteract interference wind energy generated by movement of the ink-jet printing medium. The offset wind energy formed by the air curtain of the air knife is used for offset wind energy to offset the interference wind energy formed by the flowing of the side wind direction ink jet ink drops formed by the high-speed movement of the ink jet printing medium, so that the accuracy of the jet direction of the ink jet ink drops and the integrity of the ink drops are ensured.
Description
Technical Field
The invention relates to the technical field of fluid regulation, in particular to a high-speed ink drop anti-interference device and an anti-interference method.
Background
The basic structure of the prior art inkjet printing technique is shown in fig. 1. In fig. 1, the ink jet direction of the nozzle 02 is perpendicular to the movement direction of the ink jet printing medium 01 (i.e. sheet medium such as printing paper), and the high-speed movement of the ink jet printing medium 01 forms a crosswind, so that the effective ink drops are influenced by the crosswind to fly sideways to form deflected ink drops, or break up to form scattered ink drops, which can cause continuous decline of the accuracy of the ink jet pattern as the printing speed increases.
Disclosure of Invention
In view of the above problems, embodiments of the present invention provide a high-speed ink droplet anti-interference device and an anti-interference method, which solve the technical problem that in the existing printing process, the ink-jet accuracy is reduced along with the increase of the printing speed.
The high-speed ink drop anti-interference device comprises an air knife, wherein the air knife is used for forming a real-time controlled air curtain to counteract interference wind energy generated by movement of an ink-jet printing medium.
In an embodiment of the present invention, the air knife includes a first air knife, the first air knife is disposed behind the print head, the first air knife forms a planar air curtain, and the planar air curtain is close to the surface of the inkjet printing medium and parallel to the surface of the inkjet printing medium.
In an embodiment of the present invention, the air knives include a second air knife and a third air knife, the second air knife and the third air knife are disposed behind the print head, the second air knife and the third air knife are symmetrically disposed at two sides of a symmetry axis of the inkjet printing medium, the second air knife faces the third air knife side in front of the print head, the third air knife faces the second air knife side in front of the print head, and a plane air curtain formed by the second air knife and the third air knife is close to the inkjet printing medium and parallel to the surface of the inkjet printing medium.
In an embodiment of the present invention, the air knife includes a first air knife, where the first air knife is disposed in front of the print head, and the first air knife forms a planar air curtain, and an extension direction of the planar air curtain is inclined from a front of a nozzle of the print head to a movement direction of a surface of the inkjet printing medium.
In one embodiment of the present invention, the present invention further comprises a pattern acquisition camera for acquiring a single droplet pattern formed by a single inkjet droplet on the inkjet printing medium 01.
In an embodiment of the present invention, the present invention further includes a pattern acquisition camera for acquiring a movement mark pattern on the surface of the inkjet printing medium 01.
The high-speed ink drop anti-interference method provided by the embodiment of the invention comprises the following steps:
real-time counteracting wind energy is formed according to the medium movement speed, and main interference wind energy formed by medium movement is overcome;
and adjusting the real-time counteracting wind energy according to the distortion degree of the continuous ink drop pattern on the medium, and overcoming the secondary interference wind energy formed by the medium movement.
In an embodiment of the present invention, the forming the real-time counteracting wind energy according to the movement rate of the medium, and overcoming the main disturbing wind energy formed by the movement of the medium includes:
acquiring the real-time motion rate of the medium;
forming main interference wind energy data according to the real-time motion rate;
and controlling the wind energy generating mechanism to form real-time counteracting wind energy data according to the main disturbance wind energy data.
In an embodiment of the present invention, said adjusting said real-time counteracting wind energy according to the distortion degree of the continuous ink drop pattern moving on said medium, overcoming the secondary disturbing wind energy formed by the movement of said medium comprises:
collecting a single drop pattern of consecutive drops moving on the medium;
the single ink drop pattern is compared with the ink drop template pattern to form quantized data comprising distortion directions and distortion degrees;
and forming an adjusting parameter of the wind energy generation mechanism according to the quantized data of the single ink drop pattern, and immediately adjusting the real-time counteracting wind energy of the subsequent ink drop.
In an embodiment of the present invention, said adjusting said real-time counteracting wind energy according to the distortion degree of the continuous ink drop pattern moving on said medium, overcoming the secondary disturbing wind energy formed by the movement of said medium comprises:
collecting a single drop pattern of consecutive drops moving on the medium;
the single ink drop pattern is compared with the ink drop template pattern to form quantized data comprising distortion directions and distortion degrees;
forming the quantized data of a plurality of consecutive single drop patterns into quantized trend data of consecutive drops;
and forming adjustment parameters of the wind energy generation mechanism according to the quantitative trend data of the continuous single ink drop patterns, and immediately adjusting real-time counteracting wind energy of the follow-up ink drops.
The high-speed ink drop anti-interference device and the anti-interference method provided by the embodiment of the invention ensure the accuracy of the jet direction of the ink jet ink drops and the integrity of the ink drops by using the offset wind energy formed by the wind curtain of the wind knife to offset the interference wind energy formed by the flow of the side wind direction ink jet ink drops formed by the high-speed movement of the ink jet printing medium.
Drawings
Fig. 1 is a schematic diagram showing the ejection state of ink droplets in the conventional ink jet printing technology.
Fig. 2 is a schematic left side view of a high-speed droplet anti-tamper device according to an embodiment of the invention.
Fig. 3 is a schematic top view of a high-speed droplet anti-interference device according to another embodiment of the present invention.
Fig. 4 is a schematic left side view of a high-speed droplet anti-tamper device according to still another embodiment of the present invention.
FIG. 5 is a flow chart of a high-speed droplet anti-jamming method according to an embodiment of the invention.
Detailed Description
The present invention will be further described with reference to the drawings and the detailed description below, in order to make the objects, technical solutions and advantages of the present invention more apparent. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The high-speed ink drop anti-interference device comprises an air knife, wherein the air knife is used for forming a real-time controlled air curtain to counteract interference wind energy generated by movement of an ink-jet printing medium.
The high-speed ink drop anti-interference device provided by the embodiment of the invention utilizes the offset wind energy formed by the air curtain of the air knife to offset the interference wind energy formed by the flow of the side wind direction ink jet drops formed by the high-speed movement of the ink jet printing medium to ensure the accuracy of the jet direction of the ink jet drops and the integrity of the ink drops.
A high-speed droplet anti-jamming device according to an embodiment of the invention is shown in FIG. 2. In fig. 2, the printing head 02 is located above the ink jet printing medium 01, the jet direction of the nozzle 10 at the bottom of the printing head 02 is kept basically vertical to the surface of the ink jet printing medium 01, the ink jet printing medium 01 horizontally moves from the rear direction to the front direction of the printing head 02, the nozzle 10 comprises a plurality of nozzles which are linearly arranged, and the arrangement extending direction of the nozzle 10 is basically vertical to the moving direction of the ink jet printing medium 01.
A first air knife 20 is provided behind the print head 02, the first air knife 20 forming a planar air curtain which is adjacent to the surface of the inkjet print medium 01 and substantially parallel to the surface of the inkjet print medium 01.
The high-speed ink drop anti-interference device provided by the embodiment of the invention overcomes the side wind formed by high-speed movement of the ink-jet printing medium 01 by utilizing the wind energy of the wind curtain formed by the first wind knife 20. The side wind formed by the high-speed movement of the ink-jet printing medium 01 flows behind the printing head 02 to form interference wind energy (namely backward wind energy), the first wind knife 20 forms a controlled plane wind curtain, the controlled plane wind curtain forms counteracting wind energy (namely forward wind energy) towards the front of the printing head 02, the counteracting wind energy counteracts the interference wind energy in real time to ensure that the ink drops are not interfered by the movement speed of the ink-jet printing medium 01, and the accuracy of the jet direction of the ink drops and the integrity of the ink drops are ensured.
In one embodiment of the present invention, a pattern acquisition camera 30 is also included for acquiring a single drop pattern of single ink jet drops formed on the ink jet print medium 01. The pattern acquisition camera 30 is paraxial on one side (preferably behind the sprinkler 10). The high-speed ink drop anti-interference device provided by the embodiment of the invention obtains the influence degree of residual interference wind energy on a single ink jet ink drop by comparing the single ink drop pattern acquired by the pattern acquisition camera 30 with the ink drop template pattern, and counteracts the influence of residual backward wind energy by adjusting and counteracting wind energy in real time as an adjustment basis, thereby further ensuring the jet direction precision and the ink drop integrity of the ink jet ink drop.
In one embodiment of the present invention, pattern acquisition camera 30 is used to acquire a movement mark pattern on the surface of inkjet print medium 01, either alone or in combination. The real-time rate of the inkjet printing medium 01 can be identified by the movement pattern. The pattern acquisition camera 30 is used for acquiring the motion pattern and the single ink drop pattern simultaneously, and a time division multiplexing acquisition mode can be adopted.
The high-speed ink drop anti-interference device can obtain the real-time movement rate of the ink-jet printing medium 01 through the movement pattern acquired by the pattern acquisition camera 30, and the real-time movement rate can be used as a control parameter for adjusting real-time counteracting wind energy.
A high-speed droplet anti-jamming device according to an embodiment of the invention is shown in FIG. 3. In fig. 3, the present embodiment differs from the above-described embodiment in that a second air knife 40 and a third air knife 50 are provided, the second air knife 40 and the third air knife 50 being provided behind the print head 02.
The movement direction of the middle part of the ink jet printing medium 01 is taken as a symmetry axis, the horizontal extension direction of the air curtain of the second air knife 40 is taken as the axial direction of the second air knife 40, the horizontal extension direction of the air curtain of the third air knife 50 is taken as the axial direction of the third air knife 50, the second air knife 40 and the third air knife 50 are basically symmetrically arranged at two sides of the symmetry axis of the ink jet printing medium 01, the second air knife 40 faces the third air knife 50 side in front of the printing head 02, and the third air knife 50 faces the second air knife 40 side in front of the printing head 02.
The planar air curtain formed by the second air knife 40 and the third air knife 50 is adjacent to the inkjet printing medium 01 and is substantially parallel to the surface of the inkjet printing medium 01.
The high-speed ink drop anti-interference device provided by the embodiment of the invention increases the offset efficiency and offset precision of interference wind energy by basically symmetrically arranging the second air knife 40 and the third air knife 50, especially the side-wind interference wind energy formed by side-wind in the side-wind, and overcomes the multidirectional turbulent wind energy formed by the side-wind.
A high-speed droplet anti-tamper device in accordance with an embodiment of the present invention is shown in FIG. 4. In fig. 4, the difference between this embodiment and the above embodiment is that a first air knife 20 is provided in front of the print head 02, the first air knife 20 forms a planar air curtain, and the extending direction of the planar air curtain is inclined from the front of the nozzle 10 to the moving direction of the surface of the inkjet printing medium 01.
According to the high-speed ink drop anti-interference device provided by the embodiment of the invention, the first air knife 20 is arranged in front of the printing head 02, so that the air curtain is obliquely formed in front of the jet direction of the nozzle 10, the side air formed by high-speed movement of the ink jet printing medium 01 is directly weakened or even eliminated, and the jet direction precision and the ink drop integrity of the ink jet ink drops are not interfered by the side air energy.
In one embodiment of the present invention, the thickness of the air curtain formed by the air knife is adjustable to be 1 to 6 times the diameter of the effective ink jet ink drop. The wind curtain formed by the wind knife can adjust the offset wind energy of the wind curtain for single or adjacent ink jet ink drops according to the interference wind energy level and the interference range formed by the side wind.
The anti-interference method of the high-speed ink drop is shown in fig. 5. The high-speed ink drop anti-interference method comprises the following steps:
step 100: real-time counteracting wind energy is formed according to the medium movement speed, and main interference wind energy formed by medium movement is overcome;
according to the maximum movement velocity interval of medium movement during printing, a person skilled in the art can understand that real-time wind speed data are acquired through a sensor, and the corresponding side wind speed velocity of the medium in the maximum movement velocity interval when the medium moves at each discrete movement velocity is obtained through statistical measurement through a classical wind speed calculation formula, so that the corresponding interference wind energy when the medium moves at each discrete movement velocity is obtained through the classical wind energy formula. The disturbance wind energy has certain drift in statistical value, so that the disturbance wind energy can be used as main disturbance wind energy.
Step 200: and the real-time counteracting wind energy is adjusted according to the distortion degree of the continuous ink drop pattern on the moving medium, so that the secondary interference wind energy formed by the movement of the medium is overcome.
Those skilled in the art will appreciate that each single drop pattern in the continuous drop pattern as a deterministic pattern carries interference information of still existing secondary interference wind energy, the interference information is embodied by the degree of distortion of the drop pattern relative to the drop template pattern, the degree of distortion can be quantified as a control parameter to further control the accuracy of real-time counteracting wind energy, and form accurate real-time counteracting wind energy to eliminate secondary interference wind energy formed by drift errors of the interference wind energy.
The high-speed ink drop anti-interference method of the embodiment of the invention divides the control process of overcoming the interference wind energy into two related control processes, firstly forms corresponding counteraction wind energy according to the medium movement speed, counteracts main interference wind energy formed by the medium movement in real time, and enables the ink drop pattern formed by the ink drops sprayed by the spray head on the medium to obtain higher precision on the position characteristic and the shape characteristic when the medium moves at high speed. Further, according to deformation evaluation quantification of a single continuous ink drop pattern, correction data for counteracting wind energy in real time is formed, and the real-time counteracting wind energy is adjusted to enable the ink drop pattern formed by the ink drops ejected by the nozzle on the medium to obtain the highest precision on the position characteristic and the shape characteristic when the medium moves at a high speed.
In one embodiment of the present invention, step 100 includes:
the real-time motion rate of the medium is obtained.
The real-time motion rate of the medium can be obtained by arranging a rotary encoder for following the medium on the medium driving mechanism, the mark pattern frequency of the medium can be captured by a camera, and the mark pattern of the medium can be acquired by a photoelectric encoder.
The dominant disturbance wind energy data is formed according to the real-time motion rate.
The conversion relation between wind speed and wind energy can be utilized to establish corresponding data between the speed and the wind energy, and the more accurate main interference wind energy data corresponding to the speed can be determined through probability statistics.
And controlling the wind energy generating mechanism to form real-time counteracting wind energy data according to the main disturbance wind energy.
The opposite real-time counteracting wind energy is formed by the wind energy generation mechanism by utilizing the main disturbance wind energy value. Those skilled in the art will appreciate that the wind energy generation mechanism may develop the desired real-time counteracting wind energy using controlled control devices such as encoders, solenoid valves, switching circuits, etc.
The wind energy generation mechanism can adopt an air knife to form an air curtain of the wind speed opposite to the main interference wind energy in a controlled way.
In one embodiment of the present invention, step 200 includes:
collecting a single drop pattern of successive drops on a moving medium;
comparing the single ink drop pattern with the ink drop template pattern to form quantized data comprising distortion direction and distortion degree;
and forming adjustment parameters of the wind energy generation mechanism according to the quantized data of the single ink drop pattern, and immediately adjusting the real-time counteracting wind energy of the subsequent ink drop.
The high-speed ink drop anti-interference method provided by the embodiment of the invention can be used for rapidly improving the ejection effect of the subsequent ink drops to reach the highest precision.
In one embodiment of the present invention, step 200 includes:
collecting a single drop pattern of successive drops on a moving medium;
comparing the single ink drop pattern with the ink drop template pattern to form quantized data comprising distortion direction and distortion degree;
forming quantization trend data of a plurality of continuous single ink drop patterns from quantization data of continuous ink drops;
and forming adjustment parameters of the wind energy generation mechanism according to the quantitative trend data of a plurality of continuous single ink drop patterns, and immediately adjusting the real-time counteracting wind energy of a plurality of subsequent ink drops.
The high-speed ink drop anti-interference method provided by the embodiment of the invention can be used for rapidly correcting drift errors of the real-time offset wind energy, so that the spraying effect of the subsequent ink drops can reach higher precision.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (5)
1. The high-speed ink drop anti-interference device is characterized by comprising an air knife, wherein the air knife is used for forming a real-time controlled air curtain to counteract interference wind energy generated by movement of an ink-jet printing medium; the air knives comprise a second air knife and a third air knife, the second air knife and the third air knife are arranged behind the printing head, the second air knife and the third air knife are symmetrically arranged on two sides of a symmetrical axis of the ink-jet printing medium, the second air knife faces the printing head and deviates towards the third air knife side, the third air knife faces the printing head and deviates towards the second air knife side, and a plane air curtain formed by the second air knife and the third air knife is close to the ink-jet printing medium and parallel to the surface of the ink-jet printing medium.
2. The high-speed ink-droplet disturbance-rejection device according to claim 1, further comprising a pattern acquisition camera for acquiring a single-drop pattern of single ink-jet ink droplets on the ink-jet print medium.
3. The high-speed ink-droplet disturbance-rejection device according to claim 1, further comprising a pattern acquisition camera for acquiring a pattern of moving marks on the surface of the inkjet print medium.
4. A high-speed droplet anti-tamper method comprising:
according to the medium movement speed, the air knife forms real-time counteracting wind energy, and the main interference wind energy formed by the medium movement is overcome;
the real-time counteracting wind energy is adjusted according to the distortion degree of continuous ink drop patterns on a moving medium, and the secondary interference wind energy formed by the movement of the medium is overcome;
the wind knife is enabled to form real-time counteracting wind energy according to the medium movement speed, and overcoming the main interference wind energy formed by the medium movement comprises the following steps:
acquiring the real-time motion rate of the medium;
forming main interference wind energy data according to the real-time motion rate;
controlling a wind energy generating mechanism to form real-time counteracting wind energy data according to the main disturbance wind energy data;
the real-time counteracting wind energy is adjusted according to the distortion degree of the continuous ink drop pattern on the moving medium, and the overcoming of the secondary disturbance wind energy formed by the medium movement comprises the following steps:
collecting a single drop pattern of successive drops on a moving medium;
the single ink drop pattern is compared with the ink drop template pattern to form quantized data comprising distortion directions and distortion degrees;
and forming an adjusting parameter of the wind energy generation mechanism according to the quantized data of the single ink drop pattern, and immediately adjusting the real-time counteracting wind energy of the subsequent ink drop.
5. The high-speed droplet anti-tamper method of claim 4, wherein said adjusting said real-time counteracting wind energy based on the distortion level of the continuous droplet pattern on the moving medium, overcoming the secondary disturbing wind energy created by the movement of said medium, comprises:
collecting a single drop pattern of successive drops on a moving medium;
the single ink drop pattern is compared with the ink drop template pattern to form quantized data comprising distortion directions and distortion degrees;
forming the quantized data of a plurality of consecutive single drop patterns into quantized trend data of consecutive drops;
and forming adjustment parameters of the wind energy generation mechanism according to the quantitative trend data of a plurality of continuous single ink drop patterns, and immediately adjusting real-time counteracting wind energy of a plurality of subsequent ink drops.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810920023.2A CN108819485B (en) | 2018-08-14 | 2018-08-14 | High-speed ink drop anti-interference device and anti-interference method |
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| CN201810920023.2A CN108819485B (en) | 2018-08-14 | 2018-08-14 | High-speed ink drop anti-interference device and anti-interference method |
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| CN108819485A CN108819485A (en) | 2018-11-16 |
| CN108819485B true CN108819485B (en) | 2023-12-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1434770A (en) * | 2000-05-15 | 2003-08-06 | 惠普公司 | Inkjet printing with air movement system |
| JP2007245533A (en) * | 2006-03-16 | 2007-09-27 | Seiko Epson Corp | Inkjet printer |
| CN105313455A (en) * | 2014-06-04 | 2016-02-10 | 佳能株式会社 | Liquid ejection apparatus |
| CN206690700U (en) * | 2017-04-17 | 2017-12-01 | 程好学 | A kind of inkjet printing baffle plate |
| CN208946883U (en) * | 2018-08-14 | 2019-06-07 | 北京捷润科技有限公司 | A kind of high speed ink droplet means for anti-jamming |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011240599A (en) * | 2010-05-18 | 2011-12-01 | Ricoh Co Ltd | Liquid-jet recording apparatus including multi-nozzle inkjet head for high-speed printing |
| JP5936499B2 (en) * | 2012-09-20 | 2016-06-22 | 理想科学工業株式会社 | Image forming apparatus |
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2018
- 2018-08-14 CN CN201810920023.2A patent/CN108819485B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1434770A (en) * | 2000-05-15 | 2003-08-06 | 惠普公司 | Inkjet printing with air movement system |
| JP2007245533A (en) * | 2006-03-16 | 2007-09-27 | Seiko Epson Corp | Inkjet printer |
| CN105313455A (en) * | 2014-06-04 | 2016-02-10 | 佳能株式会社 | Liquid ejection apparatus |
| CN206690700U (en) * | 2017-04-17 | 2017-12-01 | 程好学 | A kind of inkjet printing baffle plate |
| CN208946883U (en) * | 2018-08-14 | 2019-06-07 | 北京捷润科技有限公司 | A kind of high speed ink droplet means for anti-jamming |
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| CN108819485A (en) | 2018-11-16 |
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