CN104924761B - CIJ ink jet numbering machine print speed control method - Google Patents
CIJ ink jet numbering machine print speed control method Download PDFInfo
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Abstract
CIJ ink jet numbering machine print speed control method disclosed by the invention, first inputs print speed value at host computer, and print speed value is converted to and prints the ink droplet total value sprayed required for string dot matrix by rate conversion module；Then asking mould preparation tuber to draw the first non-print ink droplet numerical value needing to insert in same string dot matrix between two printed dot according to ink droplet total value, complementation module draws the second non-print ink droplet numerical value needing to insert between two row dot matrix according to ink droplet total value；Then arbiter judges between two printed dot according to the first non-print ink droplet numerical value and the second non-print ink droplet numerical value and between two row dot matrix the need of inserting non-print ink droplet, and ink-jet coding system sends ink droplet coding signal according to the judged result of arbiter to charging pole；Finally corresponding printed dot is charged by charging pole according to ink droplet coding signal.The present invention, by automatically adjusting ink droplet utilization rate and automatically distributing ink droplet interval location, improves print quality.
Description
Technical field
The present invention relates to industrial code-spraying machine technology field, particularly to a kind of CIJ ink jet numbering machine print speed control method.
Background technology
Ink jet numbering machine is that one is controlled by software, use the equipment that cordless is identified on product, mainly it is made up of ink-jet coding system and ink system, wherein, electric field deflected continuous ink jet ink jet numbering machine is to utilize the deflection in the electric field of charged ink dot to realize the reduction of character, is often referred to simply as CIJ ink jet numbering machine.
The operation principle of CIJ ink jet numbering machine is: in ink system, ink is under the pressure effect of compression pump, ink ejects from nozzle, ink is through nozzle, effect by piezoquartz fragments into a string continuous print, spacing is equal and size is identical ink droplet also forms ink droplet stream, the ink droplet ejected continues move past charging pole under flowing to time, specific ink droplet (the ink droplet corresponding with print point, namely printed dot) filled with specific carried charge, in charging extremely, ink droplet is separated from the line of ink marker, owing to charging extremely having added certain voltage, when specific ink droplet was with and the charging pole institute directly proportional negative charge of making alive from the moment that the conduction line of ink marker is separated, by changing the voltage swing of charging pole, predetermined negative charge can be filled with for specific ink droplet, ink jetting pressure persistently under, ink droplet stream continues to move downward, it is respectively provided with in the middle of the high-voltage deflection plate of generating positive and negative voltage to pass through from two, charged ink droplet can deflect through high-voltage deflection plate, degree of deflection depends on that institute is charged how much, uncharged ink droplet does not deflect, fly downwards always, flow into recovery tube, final recovered pipeline returns in ink box and recycles, charged and the ink droplet that deflects is fallen before vertical shower nozzle the object of process with certain speed and angle, form graph text information dot matrix (ink droplet dot matrix), the graph text information editted before reduction.In said process, ink jet pressure, choose specific ink droplet, to the processes such as specific ink droplet charging, charge capacity by ink-jet coding system set and control.
Based on above-mentioned principle, in CIJ ink jet numbering machine, the utilization rate (i.e. ratio shared by specific ink dot) of ink dot determines the print speed of ink jet numbering machine, when all of ink dot all is used for printing graph-text content time, it is this CIJ coding function reaches the fastest print speed, but, what CIJ ink jet numbering machine utilized is that the interaction force between electric charge realizes deflection, generally for ensureing that printing effect can not all be used for all of ink droplet to charge, and be utilized in two charged droplets points and stay the mode of null point to reduce influencing each other between two charged droplets, to ensure apparent printing effect；
The print speed control method adopted in the ink-jet coding system of existing CIJ ink jet numbering machine is mainly: the artificial print speed according to actual requirement set (input) ink droplet utilization rate in the program of host computer ink-jet coding system before this, this ink droplet utilization rate specifies the percentage ratio for printed dot, then ink-jet coding system sends the ink-jet coded electrical signal with ink droplet utilization rate information to charging pole, and charging pole is chosen specific ink droplet according to this signal of telecommunication and charges.Visible, in traditional print speed control method, the arrangement selection rule of printed dot and non-print ink droplet is fixing, it is also fixing for causing its print speed, can not adjust to more suitably ink droplet utilization rate according to actual graph text information, it is not set in a best ink dot utilization rate, but in general the more low print quality of ink droplet utilization rate is more low more good, therefore, this mode can not be best distribution printed dot between interval, cannot preferentially ensure to have between two charged droplets enough non-print ink droplets, thus causing that printing effect declines.
In view of this, CIJ ink jet numbering machine is furtherd investigate by the present inventor, works out a kind of CIJ ink jet numbering machine print speed control method, by automatically adjusting ink droplet utilization rate and automatically distributing the mode of ink droplet interval location, improves print quality, and this case thus produces.
Summary of the invention
It is an object of the invention to provide a kind of CIJ ink jet numbering machine print speed control method, it is possible to automatically adjust ink droplet utilization rate and automatically distribute ink droplet interval location, improving print quality.
To achieve these goals, the solution that the present invention adopts is:
CIJ ink jet numbering machine print speed control method, the steps include:
Step one: input print speed value at host computer, print speed value is converted to and prints the ink droplet total value sprayed required for string dot matrix by Negotiation speed modular converter；
Step 2: asking mould preparation tuber to draw the first non-print ink droplet numerical value needing to insert in same string dot matrix between two printed dot according to ink droplet total value, complementation module draws the second non-print ink droplet numerical value needing to insert between two row dot matrix according to ink droplet total value；
Step 3: judged between two printed dot and between two row dot matrix the need of inserting non-print ink droplet according to the first non-print ink droplet numerical value and the second non-print ink droplet numerical value by arbiter, ink-jet coding system sends ink droplet coding signal according to the judged result of arbiter to charging pole；
Step 4: charging pole encodes signal according to ink droplet and corresponding printed dot is charged.
In described step 2, the computing formula of the first non-print ink droplet numerical value and the first non-print ink droplet numerical value is:
N=(D1-D2)/(X-1)；
First non-print ink droplet numerical value of N 1 is the integer part of n, and the second non-print ink droplet numerical value of N 2 is the remainder of (D1-D2)/(X-1)；
Wherein, D1 prints the ink droplet total value that string dot matrix sprays, and D2 is the printed dot total value of string dot matrix, and D1-D2 is the non-print ink droplet total value of string dot matrix, and X is character pattern height, and X-1 is the number in non-print interval.
Further, the judge process of described step 3 is:
When N1 is equal to 0, between two printed dot of every string dot matrix, it is not inserted into not printed dot；
When N1 is not equal to 0, between two printed dot of every string dot matrix, insert N1 not printed dot；
When N2 is equal to 0, between last printed dot and first printed dot of rear string dot matrix of previous column dot matrix, it is not inserted into non-print ink droplet；
When N2 is not equal to 0, between last printed dot and first printed dot of rear string dot matrix of previous column dot matrix, insert N2 non-print ink droplet.
Further, the judge process of described step 3 also includes:
When ink droplet utilization rate is be more than or equal to 20%, between two printed dot of every string dot matrix, preferentially insert N1 non-print ink droplet, between last printed dot of previous column dot matrix and first printed dot of rear string dot matrix, then insert N2 non-print ink droplet；
When ink droplet utilization rate is less than 20%, inserting at most 10 non-print ink droplets between two printed dot of every string dot matrix, remaining D1-D2-10 non-print ink droplet inserts between two arrays.
After adopting such scheme, the invention have the benefit that on the present invention basis according to the print speed of client's actual requirement, ink droplet total value in each character pattern is drawn by the transformational relation of print speed Yu matrix of printed dots, and draw the non-print ink droplet numerical value needing to insert between the non-print ink droplet numerical value and the two row dot matrix that need to insert between two printed dot, preferentially between two charged ink dots of same column, insert non-print ink droplet, thus realizing the accurate control to printed dots interval, then the non-print ink droplet numerical value inserted between two row dot matrix, thus realizing being automatically regulated to be the print speed of the best according to actual figure Chinese character (print speed of requirement), improve and print definition, keep stablizing of print speed.
In the present invention, the graph text information related to and print speed relation be: after setting initial print speed value, input needs the graph text information printed, ink jet numbering machine just can draw the value of the peak of each character pattern according to the print speed set, namely showing that each column dot matrix of each character needs ink dot total value and each column dot lattice printing ink droplet total value sprayed, the non-print number of ink droplets controlling to insert between two row character patterns just can control the print speed of reality；
Traditional ink jet numbering machine can only fix the ratio of a printed dot and non-print ink droplet according to the initial ink droplet utilization rate set, non-print number of ink droplets all cannot be adjusted between printed dot and between two row dot matrix, comparatively speaking, the crucial part of the present invention is just in that: automatically adjust printed dot and the ratio of non-print ink droplet according to the print speed of actual requirement, and between two printed dot of same column and between the printed dot of two row dot matrix, insert the non-print ink droplet of optimum number value, preferential non-print ink droplet be inserted between charged droplets and inserting non-print ink droplet between the column and the column further according to the print speed of actual requirement, ink droplet distribution is made to rationalize, print speed remains stable for, obtain the beneficial effect that print quality promotes.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Accompanying drawing explanation
Fig. 1 is the process chart of the present invention.
Fig. 2 is the structure chart of the ink droplet dot matrix of character of the present invention；
Fig. 3 is the chart of ink droplet electrified voltage of the present invention；
Fig. 4 be the every string dot matrix of the present invention two printed dot between insert ink droplet electrified voltage chart during N1 non-print ink droplet；
Fig. 5 inserts the structure chart that the individual non-print ink droplet of N2 is ink droplet dot matrix between last printed dot of previous column dot matrix of the present invention and first printed dot of rear string dot matrix；
Wherein in Fig. 2-5, stain represents that printed dot, white point represent non-print ink droplet.
Detailed description of the invention
The CIJ ink jet numbering machine print speed control method that the present invention discloses, the steps include:
Step one: input print speed value at host computer, print speed value is converted to and prints the ink droplet total value sprayed required for string dot matrix by Negotiation speed modular converter；
Step 2: asking mould preparation tuber to draw the first non-print ink droplet numerical value needing to insert in same string dot matrix between two printed dot according to ink droplet total value, complementation module draws the second non-print ink droplet numerical value needing to insert between two row dot matrix according to ink droplet total value；
The computing formula of the first non-print ink droplet numerical value and the first non-print ink droplet numerical value is:
N=(D1-D2)/(X-1)；
First non-print ink droplet numerical value of N 1 is the integer part of n, and the second non-print ink droplet numerical value of N 2 is the remainder of (D1-D2)/(X-1)；
Wherein, D1 prints the ink droplet total value that string dot matrix sprays, and D2 is the printed dot total value of string dot matrix, and D1-D2 is the non-print ink droplet total value of string dot matrix, and X is character pattern height, and X-1 is the number in non-print interval.
Step 3: judged between two printed dot and between two row dot matrix the need of inserting non-print ink droplet according to the first non-print ink droplet numerical value and the second non-print ink droplet numerical value by arbiter, ink-jet coding system sends ink droplet coding signal according to the judged result of arbiter to charging pole；
The judge process of step 3 is:
When N1 is equal to 0, between two printed dot of every string dot matrix, it is not inserted into not printed dot；
When N1 is not equal to 0, between two printed dot of every string dot matrix, insert N1 not printed dot；
When N2 is equal to 0, between last printed dot and first printed dot of rear string dot matrix of previous column dot matrix, it is not inserted into non-print ink droplet；
When N2 is not equal to 0, between last printed dot and first printed dot of rear string dot matrix of previous column dot matrix, insert N2 non-print ink droplet.
The judge process of described step 3 also includes:
When ink droplet utilization rate is be more than or equal to 20%, between two printed dot of every string dot matrix, preferentially insert N1 non-print ink droplet, between last printed dot of previous column dot matrix and first printed dot of rear string dot matrix, then insert N2 non-print ink droplet；
When ink droplet utilization rate is less than 20%, inserting at most 10 non-print ink droplets between two printed dot of every string dot matrix, remaining D1-D2-10 non-print ink droplet inserts between two arrays.
Step 4: charging pole encodes signal according to ink droplet and corresponding printed dot is charged.
In contrast, due to the fact that the more substantial calculating process of needs, preferably by calculating process by FPGA(field programmable gate array) realize, FPGA has broken order execution pattern, complete more to process task within each cycle, having surmounted the operational capability of digital signal processor, express delivery control accuracy is higher
The rate conversion module of the present invention, mould preparation block, complementation module and arbiter is asked to belong to the part of CIJ ink jet numbering machine coding system plug-in, it is by the support of hardware (including FPGA), quantitative value involved in the present invention is processed, to realize the formation of ink droplet coded electrical signal, the part of the ink system of the charging of the present invention extremely CIJ ink jet numbering machine, corresponding printed dot is mainly charged by it according to ink droplet coded electrical signal.
On the present invention basis according to the print speed of client's actual requirement, ink droplet total value in each character pattern is drawn by the transformational relation of print speed Yu matrix of printed dots, and draw the non-print ink droplet numerical value needing to insert between the non-print ink droplet numerical value and the two row dot matrix that need to insert between two printed dot, realize the accurate control to printed dots interval, the print speed of the best can be automatically regulated to be according to actual figure Chinese character (print speed of requirement), improve printing definition, keep stablizing of print speed.
These are only specific embodiments of the invention, not the restriction to protection scope of the present invention.All equivalent variations done according to the mentality of designing of this case, each fall within the protection domain of this case.
Claims (3)
1.CIJ ink jet numbering machine print speed control method, it is characterised in that step is:
Step one: input print speed value at host computer, print speed value is converted to and prints the ink droplet total value sprayed required for string dot matrix by Negotiation speed modular converter；
Step 2: asking mould preparation tuber to draw the first non-print ink droplet numerical value needing to insert in same string dot matrix between two printed dot according to ink droplet total value, complementation module draws the second non-print ink droplet numerical value needing to insert between two row dot matrix according to ink droplet total value；
Step 3: judged between two printed dot and between two row dot matrix the need of inserting non-print ink droplet according to the first non-print ink droplet numerical value and the second non-print ink droplet numerical value by arbiter, ink-jet coding system sends ink droplet coding signal according to the judged result of arbiter to charging pole；
Step 4: charging pole encodes signal according to ink droplet and corresponding printed dot is charged；
In described step 2, the computing formula of the first non-print ink droplet numerical value and the second non-print ink droplet numerical value is:
N=(D1-D2)/(X-1)；
First non-print ink droplet numerical value of N 1 is the integer part of n, and the second non-print ink droplet numerical value of N 2 is the remainder of (D1-D2)/(X-1)；
Wherein, D1 prints the ink droplet total value that string dot matrix sprays, and D2 is the printed dot total value of string dot matrix, and D1-D2 is the non-print ink droplet total value of string dot matrix, and X is character pattern height, and X-1 is the number in non-print interval.
2. CIJ ink jet numbering machine print speed control method as claimed in claim 1, it is characterised in that: the judge process of described step 3 is:
When N1 is equal to 0, between two printed dot of every string dot matrix, it is not inserted into not printed dot；
When N1 is not equal to 0, between two printed dot of every string dot matrix, insert N1 not printed dot；
When N2 is equal to 0, between last printed dot and first printed dot of rear string dot matrix of previous column dot matrix, it is not inserted into non-print ink droplet；
When N2 is not equal to 0, between last printed dot and first printed dot of rear string dot matrix of previous column dot matrix, insert N2 non-print ink droplet.
3. CIJ ink jet numbering machine print speed control method as claimed in claim 2, it is characterised in that: the judge process of described step 3 also includes:
When ink droplet utilization rate is be more than or equal to 20%, between two printed dot of every string dot matrix, preferentially insert N1 non-print ink droplet, between last printed dot of previous column dot matrix and first printed dot of rear string dot matrix, then insert N2 non-print ink droplet；
When ink droplet utilization rate is less than 20%, inserting at most 10 non-print ink droplets between two printed dot of every string dot matrix, remaining D1-D2-10 non-print ink droplet inserts between two arrays.
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| CN107009740A (en) * | 2017-03-30 | 2017-08-04 | 厦门英杰华机电科技有限公司 | CIJ ink jet numbering machine variable speed printing control algolithms |
| CN107160873B (en) * | 2017-05-26 | 2019-05-31 | 北京兴通盛达科技有限公司 | Spray printing speed lifting method and device |
| CN110614849B (en) * | 2019-09-16 | 2020-12-01 | 武汉先同科技有限公司 | Improved ink droplet charging-based small character spray head jet printing method |
| CN114379228B (en) * | 2020-10-16 | 2023-02-21 | 森大（深圳）技术有限公司 | Cylindrical surface printing control method, device, printer and storage medium |
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| CN101610908A (en) * | 2007-02-23 | 2009-12-23 | 株式会社日立产机系统 | Ink-jet recording apparatus |
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| CN102950890A (en) * | 2011-08-19 | 2013-03-06 | 株式会社日立产机系统 | Inkjet recording apparatus |
| CN104520108A (en) * | 2012-07-30 | 2015-04-15 | 株式会社日立产机系统 | Inkjet recording device and print control method |
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- 2015-06-09 CN CN201510310847.4A patent/CN104924761B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3786517A (en) * | 1972-09-05 | 1974-01-15 | Ibm | Ink jet printer with ink system filter means |
| CN101610908A (en) * | 2007-02-23 | 2009-12-23 | 株式会社日立产机系统 | Ink-jet recording apparatus |
| CN102470669A (en) * | 2009-08-11 | 2012-05-23 | 株式会社日立产机系统 | Inkjet recording device and printing head |
| CN102950890A (en) * | 2011-08-19 | 2013-03-06 | 株式会社日立产机系统 | Inkjet recording apparatus |
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