CN111746123B - Multi-nozzle printing device and printing method thereof - Google Patents
Multi-nozzle printing device and printing method thereof Download PDFInfo
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- CN111746123B CN111746123B CN202010513353.7A CN202010513353A CN111746123B CN 111746123 B CN111746123 B CN 111746123B CN 202010513353 A CN202010513353 A CN 202010513353A CN 111746123 B CN111746123 B CN 111746123B
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- 238000007639 printing Methods 0.000 title claims abstract description 207
- 238000000034 method Methods 0.000 title claims abstract description 56
- 239000007921 spray Substances 0.000 claims abstract description 144
- 230000008569 process Effects 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 12
- 230000006870 function Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000007641 inkjet printing Methods 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 206010019909 Hernia Diseases 0.000 description 1
- 108010001267 Protein Subunits Proteins 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000003287 optical effect Effects 0.000 description 1
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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
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/1433—Structure of nozzle plates
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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
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
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Abstract
The embodiment of the application discloses a multi-nozzle printing device and a multi-nozzle printing method, wherein the device comprises: m nozzle combinations which are mutually parallel to each other, wherein each nozzle combination is perpendicular to the paper feeding direction and is used for jetting ink drops onto a printing stock, each nozzle combination comprises N nozzles, part or all spray holes in the N nozzles are aligned along the paper feeding direction, and the spacing between any two adjacent nozzles is the same or different; and the controller is respectively connected with the N spray heads, and is used for receiving the printing task and sending a printing instruction to the spray heads. Through a plurality of shower nozzle groups of parallel arrangement, and the interval between two arbitrary adjacent shower nozzles does not do the restriction, makes the stock realize repeatedly printing many times when keeping high-speed paper feed speed, has increased the printing ink volume of unit area, has improved the resolution ratio of printed matter.
Description
Technical Field
The embodiment of the application relates to the technical field of printing, in particular to a multi-nozzle printing device and a printing method thereof.
Background
Inkjet printing technology refers to technology for realizing image printing by controlling a head to eject ink droplets onto a printing medium. Inkjet printing is divided into two modes, multipass and OnePass: the multiple Pass is generally that the printing trolley carries the spray head to do reciprocating motion, and the printing stock does stepping motion; the Onepass generally needs to print a nozzle which is fixed, a printing object moves under the drive of a mechanical device, and the nozzle sprays ink onto the printing object once at regular movement distance, so that a required pattern is finally formed.
The minimum unit of the spray head is a spray hole, and the resolution of the printing stock in the paper feeding direction is inversely proportional to the paper feeding speed in Onepass printing due to the limitation of the maximum spray frequency and the single spray ink volume of one spray hole, namely, the faster the paper feeding speed is, the lower the resolution of the printing stock in the paper feeding direction is. In the prior art, in order to improve the resolution in the paper feeding direction, the amount of printing ink per unit area is generally kept sufficient by reducing the paper feeding speed. The printing mode can only realize the printing of quantitative ink drops on a printing stock, can only meet single printing requirements, and cannot adapt to various printing scenes. In addition, the distance and angle between the printing nozzle and the paper feeding direction of the printing medium and the distance between the printing nozzles are specific conditions in the prior art, so that the convenience of printing is limited.
Therefore, how to control the ink jet amount to meet the complex printing requirements becomes a problem to be solved by the person skilled in the art.
Disclosure of Invention
Therefore, the embodiment of the application provides a multi-nozzle printing device and a printing method thereof, wherein a plurality of nozzle groups are arranged in parallel, the distance between any two adjacent nozzles is not limited, so that a printing stock can be repeatedly printed for many times while the high-speed paper feeding speed is kept, the printing ink quantity in unit area is increased, and the resolution of the printing stock is improved.
In order to achieve the above purpose, the embodiment of the present application provides the following technical solutions:
according to a first aspect of embodiments of the present application, there is provided a multi-head printing apparatus, the apparatus comprising:
m nozzle combinations which are mutually parallel to each other, wherein each nozzle combination is perpendicular to the paper feeding direction and is used for ejecting ink drops onto a printing stock, each nozzle combination comprises N nozzles, part or all spray holes in the N nozzles are aligned along the paper feeding direction, the spacing between any two adjacent nozzles is the same or different, and M and N are integers which are larger than or equal to one;
and the controller is respectively connected with the N spray heads, and is used for receiving the printing task and sending a printing instruction to the spray heads.
Optionally, the included angle between the connecting line of each spray nozzle spray hole in the spray nozzle combination and the paper feeding direction is 0-90 degrees.
According to a second aspect of embodiments of the present application, there is provided a multi-head printing method based on the multi-head printing apparatus of the first aspect, the method including:
generating a printing instruction according to the received printing task;
respectively sending a printing instruction to each nozzle in the nozzle combination, wherein the printing instruction carries a delay parameter;
after each nozzle enters the printing area, a printing instruction is executed according to the delay parameter, wherein the ink jet quantity of a unit area on a printing stock is the sum of the ink jet quantities of all the nozzles.
Optionally, before the print job is sent to each of the heads in the head combination, the method further comprises:
delay parameters for printing by each nozzle are determined.
Optionally, the delay parameter is a distance parameter, which is used for determining a delay interval when each nozzle prints, and generating a printing sequence of each nozzle.
Optionally, the ink jet amount of a pixel point on the printing stock is the sum of the ink jet amounts of jet holes on all jet heads forming the same line with the pixel point in the paper feeding direction.
According to a third aspect of embodiments of the present application, there is provided a multi-head printing method based on the multi-head printing apparatus described in the first aspect, the method including:
splitting the received printing task according to the ink quantity required by the printing task;
sending the print instruction after data splitting to each nozzle in the nozzle combination, wherein the print instruction carries delay parameters;
after each nozzle enters the printing area, a printing instruction is executed according to the delay parameter, wherein the ink jet quantity of a certain pixel point on a printing stock is the sum of the ink jet quantities of the spray holes on all the nozzles forming the same line with the pixel point in the paper feeding direction.
Optionally, before sending the print instruction after the splitting of the data to each head in the head combination, the method further includes:
delay parameters for printing by each nozzle are determined.
Optionally, the delay parameter is a distance parameter, which is used for determining a delay interval when each nozzle prints, and generating a printing sequence of each nozzle.
Optionally, the sending the print job after splitting the data to each nozzle in the nozzle combination includes:
randomly sending the printing instruction after data splitting to each nozzle in the nozzle combination; or alternatively
And sending the printing instruction after the data splitting to each nozzle in the nozzle combination according to the set sequence.
In summary, the embodiment of the application discloses a multi-nozzle printing device and a multi-nozzle printing method, wherein the device includes: m nozzle combinations which are mutually parallel to each other, wherein each nozzle combination is perpendicular to the paper feeding direction and is used for jetting ink drops onto a printing stock, each nozzle combination comprises N nozzles, part or all spray holes in the N nozzles are aligned along the paper feeding direction, and the spacing between any two adjacent nozzles is the same or different; and the controller is respectively connected with the N spray heads, and is used for receiving the printing task and sending a printing instruction to the spray heads. Through a plurality of shower nozzle groups of parallel arrangement, and the interval between two arbitrary adjacent shower nozzles does not do the restriction, makes the stock realize repeatedly printing many times when keeping high-speed paper feed speed, has increased the printing ink volume of unit area, has improved the resolution ratio of printed matter.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the scope of the invention.
FIG. 1 is a diagram of a dual-head embodiment of a multi-head printing apparatus according to an embodiment of the present disclosure;
FIG. 2 is a diagram of another embodiment of a dual-head printing apparatus according to an embodiment of the present application;
FIG. 3 is a diagram of a three-head embodiment of a multi-head printing apparatus according to an embodiment of the present disclosure;
FIG. 4 is a diagram of a variable ink volume printing embodiment of a multi-jet printing apparatus according to an embodiment of the present application;
fig. 5 is a special scene applicable chart of a multi-nozzle printing device according to an embodiment of the present application;
fig. 6 is a schematic flow chart of a multi-nozzle print setting method according to an embodiment of the present application;
fig. 7 is a schematic diagram of determining a distance parameter according to a multi-nozzle print setting method provided in an embodiment of the present application;
fig. 8 is a schematic diagram of another distance parameter determination method for a multi-nozzle print setting method according to an embodiment of the present application;
fig. 9 is a schematic flow chart of a multi-nozzle printing method according to an embodiment of the present application;
fig. 10 is a schematic flow chart of a multi-nozzle printing method with variable ink drop quality according to an embodiment of the present application.
Detailed Description
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. 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 embodiment of the application provides a multi-nozzle printing device, which comprises:
m nozzle combinations which are mutually parallel to each other are arranged, each nozzle combination is perpendicular to the paper feeding direction and is used for jetting ink drops onto a printing stock, each nozzle combination comprises N nozzles, part or all spray holes in the N nozzles are aligned along the paper feeding direction, the distances between any two adjacent nozzles are the same or different, and M and N are integers which are larger than or equal to one.
And the controller is respectively connected with the N spray heads, and is used for receiving the printing task and sending a printing instruction to the spray heads.
In one possible implementation manner, the included angle between the connecting line of each nozzle hole in the nozzle combination and the paper feeding direction is in the range of 0-90 degrees.
In order to more easily understand the multi-nozzle printing device provided in the embodiments of the present application, referring to fig. 1, which is a diagram of a dual-nozzle embodiment of the multi-nozzle printing device provided in the embodiments of the present application, as shown in fig. 1, the embodiments of the present application provide a multi-nozzle printing device, where the device includes:
at least two spray heads 1 which are arranged in parallel and perpendicular to the paper feeding direction, namely a first spray head A and a second spray head B, are used for spraying ink drops on a printing stock, 10 spray holes 1-10 are arranged on the first spray head A, 10 spray holes 1-10 are arranged on the second spray head, and the spray holes 2-10 of the first spray head A are aligned with the spray holes 1-9 of the second spray head B along the paper feeding direction.
In one possible embodiment, the multi-head printing device further comprises a controller electrically connected to each of the heads for receiving print data and sending print instructions to the heads.
FIG. 2 is a diagram of another embodiment of a dual-head printing apparatus according to an embodiment of the present application; as shown in FIG. 2, in one embodiment, the angle between the nozzle 1 and the paper feed may be any angle α,0< α.ltoreq.90. Similarly, the nozzles 2 to 10 of the first nozzle a and the nozzles 1 to 9 of the second nozzle B are aligned along the paper feeding direction, and in a specific embodiment, the angle can be adjusted according to the printing requirement.
Fig. 3 is a diagram of a three-nozzle embodiment of a multi-nozzle printing apparatus according to an embodiment of the present application, as shown in fig. 3, in a specific embodiment, a third nozzle C and more nozzles may be further disposed according to printing requirements, 10 nozzles 1 to 10 are disposed on the third nozzle C, the nozzles 1 to 10 of the third nozzle C are aligned with the nozzles 1 to 10 of the first nozzle a along the paper feeding direction, and the nozzles 2 to 10 of the third nozzle C are aligned with the nozzles 1 to 9 of the second nozzle B along the paper feeding direction.
It should be noted that, each head 1 has a unique corresponding code in the controller, so that the controller sends a print instruction to each head 1.
Fig. 4 is a diagram of a variable ink volume printing embodiment of a multi-jet printing apparatus according to an embodiment of the present application. As shown in fig. 1 to 4, in a working state, a printing object 2 firstly passes through a first spray head a, the first spray head a sprays corresponding images on the printing object 2 according to a printing instruction, then the printing object 2 continues to move forwards, sequentially passes through a second spray head B, the second spray head B sprays corresponding images on the printing object 2 according to the printing instruction, and then sequentially passes through a third spray head C and more spray heads, and each spray head sprays corresponding images on the printing object 2 according to the printing instruction; when printing is finished soon, the first spray head A finishes and stops printing, the second spray head B continues printing until finishing and stopping printing, the third spray head C and more spray heads continue printing until finishing and stopping printing, and when the last spray head finishes printing, the printing is finished.
It should be noted that, the ink droplets ejected from the nozzle orifices of each nozzle are completely overlapped, that is, the ink amount on the unit area or the single-point pixel on the printed matter is the sum of the ink ejection amounts of each nozzle, so that the ink ejection amount of the unit area can be improved, the printing of the variable ink amount of the single-pixel point can be realized, the resolution of the printed matter is improved, and the printing requirements under various complex scenes are met.
It should be noted that, when the angle between the head 1 and the paper feed is an arbitrary angle α, the printing process is identical to the above-described process.
Fig. 5 is a special scenario applicable chart of a multi-nozzle printing device provided in the embodiment of the present application, as shown in fig. 5, in an OnePass printing system, in order to increase the printing width, a plurality of nozzles are generally connected in series in the direction of the first nozzle of a hernia nozzle, and if the unit area of ink jet is to be increased on the basis of this, one or more nozzles may be connected in parallel after all the nozzles connected in series, and the printing process of the device is consistent with the above process.
Fig. 6 is a schematic flow chart of a multi-nozzle print setting method according to an embodiment of the present application, as shown in fig. 6, including the following steps: determining delay parameters of printing of each spray head; and determining the printing sequence of each nozzle.
Fig. 7 is a schematic diagram of determining a distance parameter in the multi-nozzle print setting method provided by the embodiment of the present application, and fig. 8 is another schematic diagram of determining a distance parameter in the multi-nozzle print setting method provided by the embodiment of the present application, as shown in fig. 7 and 8, in a specific embodiment, the delay parameter is a distance parameter, after each nozzle is installed, an ink line is printed on a substrate at the same time, and by measuring the distance r1 between the first ink line and the second ink line, it is able to determine that the distance parameter between the first nozzle a and the second nozzle B is r1; by measuring the distance r2 between the first ink line and the third ink line, the distance parameter of the first nozzle A and the third nozzle C can be determined to be r2; and r1< r2, printing by the second spray head B before the third spray head C, printing by the second spray head after the third spray head C, and analogizing in this way according to the size of the distance parameter to determine the printing sequence of each spray head.
In the working process, after the printing of the first spray head A is finished, when the delay parameter reaches r1, the second spray head B starts to print, and at the moment, the image printed by the second spray head B and the image printed by the first spray head A are completely overlapped; when the delay parameter reaches r2, the third spray head C starts to print, and at the moment, the image printed by the third spray head C is completely overlapped with the image printed by the first spray head A and the second spray head B; when the delay parameter reachesr n-1 When the nth nozzle X starts printing, at this time, the image printed by the nth nozzle X completely coincides with the image printed by the previous (N-1) nozzle. Therefore, in the actual printing process, repeated printing of each spray head can be realized only by determining the distance parameter between the Nth spray head X and the first spray head A, so that the ink quantity of the unit area of a printed object is increased, the resolution is improved, the condition that parameters among the spray heads in the prior art are mutually limited is broken, and the spray heads are more flexible and convenient to use in the aspects of installation, debugging and the like.
In another embodiment, the distance parameter r1 of the first nozzle A and the second nozzle B can be determined by measuring the distance r1 of the first ink line and the second ink line; by measuring the distance r2 between the second ink line and the third ink line, the distance parameter r2 between the second nozzle B and the third nozzle C can be determined, and it should be noted that r1=r2 or r1+.r2; the print sequence of the heads is ordered in the order referenced to the heads.
In the working process, after the first spray head A finishes printing, the delay distance r1 and the second spray head B start printing, and at the moment, the image printed by the second spray head B and the image printed by the first spray head A are completely overlapped; when the second nozzle B finishes printing, delaying the distance r2, and starting printing by the third nozzle C, wherein at the moment, the image printed by the third nozzle C is completely overlapped with the images printed by the first nozzle A and the second nozzle B; delay distance r after N-1 th head W finishes printing n-1 Printing is started by the Nth spray head X, at the moment, the image printed by the Nth spray head X is completely overlapped with the image printed by the previous (N-1) spray head, and r is needed to be described n-1 =r1=r2 or r n-1 =r1+noter2or r n-1 Not equal to r1=r2 or r n-1 Not equal to r1 not equal to r2. In this way, only the distance parameter r of the adjacent spray heads needs to be determined in the actual printing process n-1 The repeated printing of a plurality of spray heads can be realized, so that the ink quantity of a printed matter in unit area is increased, the resolution is improved, the condition that parameters among the spray heads in the prior art are mutually limited is broken, and the spray heads are more flexible and convenient to use in the aspects of installation, debugging and the like.
It should be noted that, in the actual printing process, fine adjustment of specific parameters is still required according to the printing effect.
It should be further noted that the distance parameter may be determined in a number of ways during the actual printing process.
In summary, the embodiment of the present application provides a multi-nozzle printing device, through M nozzle combinations disposed parallel to each other, each nozzle combination is perpendicular to a paper feeding direction and is used for ejecting ink droplets onto a printing object, each nozzle combination includes N nozzles, part or all of the N nozzles are aligned along the paper feeding direction, and a distance between any two adjacent nozzles is the same or different; and the controller is respectively connected with the N spray heads, and is used for receiving the printing task and sending a printing instruction to the spray heads. Through a plurality of shower nozzle groups of parallel arrangement, and the interval between two adjacent shower nozzles in the shower nozzle group does not have the restriction, makes the stock realize repeatedly printing many times when keeping high-speed paper feed speed to increase the printing ink volume of unit area, thereby improve the resolution ratio of printed matter.
Fig. 9 is a schematic flow chart of a multi-nozzle printing method according to an embodiment of the present application, as shown in fig. 9, and in order to achieve the above purpose, the method includes the following steps:
step 901: and generating a printing instruction according to the received printing task.
Step 902: and respectively sending a printing instruction to each nozzle in the nozzle combination, wherein the printing instruction carries a delay parameter.
Step 903: after each nozzle enters the printing area, a printing instruction is executed according to the delay parameter, wherein the ink jet quantity of a unit area on a printing stock is the sum of the ink jet quantities of all the nozzles.
In one possible embodiment, before the print job is sent to each head in the head combination, the method further includes: delay parameters for printing by each nozzle are determined.
In one possible implementation, the delay parameter is a distance parameter, which is used to determine a delay interval when each nozzle prints, and generate a printing sequence of each nozzle.
In one possible embodiment, the ink jet amount of a certain pixel point on the printing stock is the sum of the ink jet amounts ejected from the nozzles on all the nozzles on the same line as the pixel point in the paper feeding direction.
Taking a dual head printing apparatus as an example, it is assumed that the ink ejection amount per one ejection orifice is 7pl. Before the work, the first spray head A and the second spray head B receive a printing task, after the first spray head A and the second spray head B enter a printing area during the work, the first spray head A rate is printed firstly, after a delay distance r1, the second spray head B is printed, the ink jet quantity of each spray head is 7pl, and finally, the ink quantity of each point on a printing stock is 14pl.
Fig. 10 is a schematic flow chart of a multi-nozzle printing method with variable ink drop quality according to an embodiment of the present application, as shown in fig. 10, and the multi-nozzle printing method with variable ink drop quality includes the following steps:
step 1001: and splitting the received printing task according to the ink quantity required by the printing task.
Step 1002: and sending the printing instruction after the data splitting to each nozzle in the nozzle combination, wherein the printing instruction carries the delay parameter.
Step 1003: after each nozzle enters the printing area, a printing instruction is executed according to the delay parameter, wherein the ink jet quantity of a certain pixel point on a printing stock is the sum of the ink jet quantities of the spray holes on all the nozzles forming the same line with the pixel point in the paper feeding direction.
In one possible embodiment, before the print instruction after splitting the data is sent to each head in the head combination, the method further includes: delay parameters for printing by each nozzle are determined.
In one possible implementation, the delay parameter is a distance parameter, which is used to determine a delay interval when each nozzle prints, and generate a printing sequence of each nozzle.
In one possible implementation manner, the sending the print job after splitting the data to each nozzle in the nozzle combination includes: randomly sending the printing instruction after data splitting to each nozzle in the nozzle combination; or sending the print instruction after the data splitting to each nozzle in the nozzle combination according to the set sequence.
Taking a dual-nozzle printing device as an example, assuming that the ink jet amount of one nozzle is 7pl, when the controller receives a print job, data splitting is performed first, for example: the ink quantity requirement of the first point is 0pl, so that the first point is not split, and no printing instruction is generated; the ink quantity requirement of the second point is 7pl, and the second point splits a data to generate an instruction; the ink demand at the third point is 14pl, and this point splits two data to generate two instructions.
In an embodiment, the controller sends the split print job to each nozzle according to the print sequence, and when the first point is printed, the corresponding spray holes of the first nozzle and the second nozzle do not jet ink; when the second point is printed, the first spray head corresponding to the spray hole sprays ink, and the second spray head corresponding to the spray hole does not spray ink; when a third point is printed, the first spray head corresponding to the spray hole sprays ink, and the second spray head corresponding to the spray hole sprays ink; it should be noted that, if a certain nozzle is blocked or has other faults in the actual printing process, the nozzle no longer receives the printing instruction, and the printing sequence is delayed.
In another embodiment, the controller randomly sends the split print job to each nozzle, and when printing the first point, the first nozzle and the second nozzle do not jet ink corresponding to the spray holes; when the second point is printed, the first spray head corresponding to the spray hole sprays ink, the second spray head corresponding to the spray hole does not spray ink, or the first spray head corresponding to the spray hole does not spray ink, and the second spray head corresponding to the spray hole sprays ink; when the third point is printed, the first spray nozzle is used for spraying ink through the spray holes corresponding to the spray holes, and the second spray nozzle is used for spraying ink through the spray holes corresponding to the spray holes, and the fact that if a certain spray hole is blocked or has other faults in the actual printing process, the spray holes do not receive printing instructions any more is needed.
In the present specification, each embodiment of the method is described in a progressive manner, and identical and similar parts of each embodiment are referred to each other, and each embodiment mainly describes differences from other embodiments. For relevance, see the description of the method embodiments.
It should be noted that although the operations of the method of the present invention are depicted in the drawings in a particular order, this does not require or imply that the operations be performed in that particular order or that all illustrated operations be performed to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step to perform, and/or one step decomposed into multiple steps to perform.
Although the present application provides method operational steps as embodiments or flowcharts, more or fewer operational steps may be included based on conventional or non-inventive means. The order of steps recited in the embodiments is merely one way of performing the order of steps and does not represent a unique order of execution. When implemented by an apparatus or client product in practice, the methods illustrated in the embodiments or figures may be performed sequentially or in parallel (e.g., in a parallel processor or multi-threaded processing environment, or even in a distributed data processing environment). The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, it is not excluded that additional identical or equivalent elements may be present in a process, method, article, or apparatus that comprises a described element.
The units, devices or modules etc. set forth in the above embodiments may be implemented in particular by a computer chip or entity or by a product having a certain function. For convenience of description, the above devices are described as being functionally divided into various modules, respectively. Of course, when implementing the present application, the functions of each module may be implemented in the same or multiple pieces of software and/or hardware, or a module that implements the same function may be implemented by multiple sub-modules or a combination of sub-units, or the like. The above-described apparatus embodiments are merely illustrative, for example, the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
Those skilled in the art will also appreciate that, in addition to implementing the controller in a pure computer readable program code, it is well possible to implement the same functionality by logically programming the method steps such that the controller is in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers, etc. Such a controller can be regarded as a hardware component, and means for implementing various functions included therein can also be regarded as a structure within the hardware component. Or even means for achieving the various functions may be regarded as either software modules implementing the methods or structures within hardware components.
The application may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, classes, etc. that perform particular tasks or implement particular abstract data types. The application may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed computing environment, program modules may be located in both local and remote computer storage media including memory storage devices.
From the above description of embodiments, it will be apparent to those skilled in the art that the present application may be implemented in software plus a necessary general purpose hardware platform. Based on such understanding, the technical solutions of the present application may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions to cause a computer device (which may be a personal computer, a mobile terminal, a server, or a network device, etc.) to perform the methods described in the various embodiments or some parts of the embodiments of the present application.
Various embodiments in this specification are described in a progressive manner, and identical or similar parts are all provided for each embodiment, each embodiment focusing on differences from other embodiments. The subject application is operational with numerous general purpose or special purpose computer system environments or configurations. For example: personal computers, server computers, hand-held or portable devices, tablet devices, multiprocessor systems, microprocessor-based systems, set top boxes, programmable electronic devices, network PCs, minicomputers, mainframe computers, distributed computing environments that include any of the above systems or devices, and the like.
The foregoing embodiments have been provided for the purpose of illustrating the general principles of the present application and are not meant to limit the scope of the invention, but to limit the scope of the invention.
Claims (2)
1. A multi-jet printing apparatus comprising: m nozzle combinations which are mutually parallel to each other, wherein each nozzle combination is perpendicular to the paper feeding direction and is used for ejecting ink drops onto a printing stock, each nozzle combination comprises N nozzles, part or all spray holes in the N nozzles are aligned along the paper feeding direction, the spacing between any two adjacent nozzles is the same or different, and M and N are integers which are larger than or equal to one; the included angle between the connecting line of spray holes of each spray head in the spray head combination and the paper feeding direction is 0-90 degrees; the controller is respectively connected with the N spray heads and is used for receiving printing tasks and sending printing instructions to the spray heads,
generating a printing instruction according to the received printing task;
respectively sending a printing instruction to each nozzle in the nozzle combination, wherein the printing instruction carries a delay parameter; the delay parameter is a distance parameter and is used for determining a delay interval when each nozzle prints and generating a printing sequence of each nozzle; after the installation of each spray head is finished, printing ink lines on a printing object at the same time, determining a distance parameter between the first spray head and the second spray head according to the distance between the first ink line and the second ink line, determining a distance parameter between the first spray head and the third spray head according to the distance between the first ink line and the third ink line, and determining a printing sequence of the second spray head and the third spray head according to the distance parameter between the first spray head and the second spray head and the distance parameter between the first spray head and the third spray head; executing the printing instruction according to the delay parameters respectively;
if a certain spray hole is blocked or has other faults in the actual printing process, the spray hole does not receive a printing instruction any more, and the printing sequence is prolonged;
the ink jet quantity of a pixel point on the printing stock is the sum of the ink jet quantities of jet holes on all jet heads which are on the same line with the pixel point in the paper feeding direction.
2. A multi-head printing method based on a multi-head printing apparatus according to claim 1, characterized in that the method comprises:
splitting the received printing task according to the ink quantity required by the printing task; randomly sending the printing instruction after data splitting to each nozzle in the nozzle combination; or alternatively
Sending the print instruction after the data splitting to each nozzle in the nozzle combination according to a set sequence;
determining delay parameters of printing of each spray head; the delay parameter is a distance parameter and is used for determining a delay interval when each nozzle prints and generating a printing sequence of each nozzle;
sending the print instruction after data splitting to each nozzle in the nozzle combination, wherein the print instruction carries delay parameters;
after each nozzle enters the printing area, a printing instruction is executed according to the delay parameter, wherein the ink jet quantity of a certain pixel point on a printing stock is the sum of the ink jet quantities of the spray holes on all the nozzles forming the same line with the pixel point in the paper feeding direction.
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| CN112248645B (en) * | 2020-09-28 | 2022-02-18 | 深圳圣德京粤科技有限公司 | Longitudinal stitching method and device for nozzle, printing equipment and storage medium |
| CN114516225B (en) * | 2020-11-20 | 2023-04-28 | 深圳市汉森软件有限公司 | Method, device, equipment and medium for splitting image data into different directions for printing |
| CN112659764A (en) * | 2020-12-22 | 2021-04-16 | 浙江工平智能设备有限公司 | Continuous printing method for single paper |
| CN114179520B (en) * | 2021-12-24 | 2023-05-09 | 北京博信德诚技术发展有限公司 | Ink-jet printer |
| CN117162667B (en) * | 2023-10-17 | 2024-02-23 | 北京至一颐和科技有限公司 | Quick printing method and quick printing device of ink-jet printer |
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