CN115503365B - Rotating body surface printing method, device, equipment and storage medium - Google Patents
Rotating body surface printing method, device, equipment and storage medium Download PDFInfo
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- CN115503365B CN115503365B CN202110699516.XA CN202110699516A CN115503365B CN 115503365 B CN115503365 B CN 115503365B CN 202110699516 A CN202110699516 A CN 202110699516A CN 115503365 B CN115503365 B CN 115503365B
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- 238000000034 method Methods 0.000 title claims abstract description 60
- 238000003854 Surface Print Methods 0.000 title claims abstract description 28
- 238000007639 printing Methods 0.000 claims abstract description 386
- 230000032669 eclosion Effects 0.000 claims abstract description 115
- 239000007921 spray Substances 0.000 claims description 27
- 238000012545 processing Methods 0.000 claims description 21
- 230000007704 transition Effects 0.000 claims description 21
- 239000002344 surface layer Substances 0.000 claims description 7
- 238000004590 computer program Methods 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 6
- 238000007405 data analysis Methods 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 24
- 230000008569 process Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 238000012797 qualification Methods 0.000 description 6
- 230000000979 retarding effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000007641 inkjet printing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0082—Digital printing on bodies of particular shapes
- B41M5/0088—Digital printing on bodies of particular shapes by ink-jet printing
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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
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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
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
- B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
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- Ink Jet (AREA)
Abstract
The invention belongs to the technical field of printing, solves the technical problem that gaps appear at ending joint positions in rotary body printing in the prior art, and influences image printing effects, and provides a rotary body surface printing method, a rotary body surface printing device, rotary body surface printing equipment and a storage medium. The rotator surface printing method comprises the steps of shifting a printing image relative to a ground color image, so that respective printing starting positions of the ground color image and a pattern image are obtained, and then printing according to the data after eclosion. The invention also provides a device, equipment and a printing medium for executing the method. The invention combines the eclosion treatment with the rotator printing to ensure that the head and the tail positions of the images are all the starting areas, thereby realizing the seamless connection of the head and the tail positions and ensuring the effect of printing the images.
Description
Technical Field
The present invention relates to the field of printing devices, and in particular, to a method, an apparatus, a device, and a storage medium for printing on a surface of a rotating body.
Background
The ink jet printing technology is that the printer performs ink jet printing on a printing medium to form images or characters by controlling the movement of a nozzle of the nozzle in the process of moving along with the nozzle.
When printing special products of a plurality of rotating bodies, white ink is required to be printed on the white ink bottom, then pattern printing is carried out on the white ink bottom, and particularly gloss oil printing is carried out when relief printing is carried out, so that obvious joints are often formed at the tail end connecting positions of the rotating bodies in the multi-procedure printing process, the effect of printing images is affected slightly, the products are unqualified seriously, and the cost is increased.
Disclosure of Invention
In view of the above, embodiments of the present invention provide a method, an apparatus, a device, and a storage medium for printing on a surface of a rotating body, which are used for solving a technical problem in the prior art that gaps appear at a ending connection position in printing on the rotating body, and an effect of printing an image is affected.
The technical scheme adopted by the invention is as follows:
the invention provides a rotary body surface printing method, which is used for printing on the rotary body surface and comprises the following steps:
s1: acquiring an image height of a printed image;
s2: setting the eclosion heights of a pattern image and a ground color image of the printed image according to the image height to obtain first eclosion data corresponding to the pattern image and second eclosion data corresponding to the ground color image;
S3: obtaining the printing data of the printing image according to the first eclosion data and the second eclosion data;
s4: shifting the pattern image according to the feathering height of the ground color image to obtain a first starting printing position of the pattern image and a second starting printing position of the ground color image;
s5: the spray head is controlled to start printing the pattern image at the first starting printing position according to the image data of the pattern image in the printing data, and the spray head is controlled to start printing the ground color image at the second starting printing position according to the image data of the ground color image in the printing data, so that the printing image is obtained;
the image height is the length or width of dot matrix data of image data corresponding to the printed image on the surface of the rotator, and the pattern image is a surface layer image of the printed image.
Preferably, the S3 includes:
s31: dividing the first eclosion data into first pattern data for starting printing and second pattern data for ending printing, wherein the second eclosion data is divided into first ground color data for starting printing and second ground color data for ending printing;
s32: the first pattern data, the second pattern data and the non-eclosion data corresponding to the pattern image form pattern image data of the pattern image, and the first ground color data, the second ground color data and the non-eclosion data corresponding to the ground color image form ground color image data of the ground color image;
S33: the print data is composed of the pattern image data and the ground color image data.
Preferably, the S4 includes:
s41: acquiring the feathering height and a preset starting position of the printed image;
s42: shifting the pattern image according to the feathering height, and determining a relative position corresponding to the first starting printing position and the second starting printing position at intervals of the feathering height;
s43: determining the second printing starting position according to the preset starting position;
s44: and determining the first printing starting position according to the second printing starting position and the relative position.
Preferably, the S5 includes:
s501: acquiring a second feathering height corresponding to the ground color image;
s502: printing from the second starting printing position according to the first ground color data and non-feathering data corresponding to the ground color image to obtain a transitional ground color image;
s503: and continuously performing ground color printing on the image area corresponding to the second feathering height according to the second ground color data from the second starting printing position on the transition ground color image to obtain the ground color image.
Preferably, the S5 includes:
S511: acquiring a first eclosion height corresponding to the pattern image;
s512: printing from the first starting printing position according to the first pattern data and non-eclosion data corresponding to the pattern image to obtain a transition pattern image;
s513: and continuing to print the pattern of the image area corresponding to the first feathering height according to the second pattern data from the first printing starting position on the transition pattern image to obtain the pattern image.
Preferably, the S5 includes:
s521: acquiring the printing speed, the feathering height and the printing data of the spray head;
s522: obtaining a lag time of the pattern image lagging behind the printing of the ground color image according to the feathering height and the printing speed;
s523: and controlling the spray head to spray ink according to the lag time and the printing data, and obtaining the printed image on the surface of the rotating body.
Preferably, the S1 includes:
s11: acquiring an image height of a printed image;
s12: the rotating body for printing the printed image is configured according to the image height;
wherein the circumference of the rotator is equal to the image height.
The present invention also provides a printing apparatus for printing on a surface of a rotating body, comprising:
and a data acquisition module: an image height for acquiring a print image;
and a data analysis module: the image processing device is used for setting the eclosion heights of a pattern image and a ground color image of the printing image according to the image height to obtain first eclosion data corresponding to the pattern image and second eclosion data corresponding to the ground color image;
and a data processing module: an image height for acquiring a print image;
and a data analysis module: the image processing device is used for setting the eclosion heights of a pattern image and a ground color image of the printing image according to the image height to obtain first eclosion data corresponding to the pattern image and second eclosion data corresponding to the ground color image;
and a data processing module: the printing data is used for obtaining the printing image according to the first eclosion data and the second eclosion data;
and a data positioning module: the image processing device is used for shifting the pattern image according to the feathering height of the ground color image to obtain a first starting printing position of the pattern image and a second starting printing position of the ground color image;
and a data printing module: the printing device is used for controlling the spray head to start printing the pattern image at the first starting printing position according to the image data of the pattern image in the printing data, and controlling the spray head to start printing the ground color image at the second starting printing position according to the image data of the ground color image in the printing data to obtain the printing image;
The image height is the length or width of dot matrix data of image data corresponding to the printed image on the surface of the rotator, and the pattern image is a surface layer image of the printed image.
The present invention also provides a printing apparatus including: at least one processor, at least one memory, and computer program instructions stored in the memory, which when executed by the processor, implement the method of any of the above.
The invention also provides a storage medium having stored thereon computer program instructions which when executed by a processor implement a method as claimed in any preceding claim.
In summary, the beneficial effects of the invention are as follows:
according to the rotary body surface printing method, the device, the equipment and the storage medium, the pattern images of the printing images are offset, so that the printing images have two printing starting positions, the pattern images lag the printing of the base color images, meanwhile, the starting positions of the pattern images and the base color images are utilized for feathering, the printing data of the starting positions are divided into one part of printing at the printing starting stage and the other part of the images after the printing ending position is preset, and the head and tail positions of the printing images are all the starting areas of the images; therefore, seamless connection of the ending position of the printed image is realized, the printing effect of the printed image is ensured, and the qualification rate of the printed image is improved.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described, and it is within the scope of the present invention to obtain other drawings according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a rotary body surface printing method in embodiment 1 of the present invention;
FIG. 1-1 is a schematic view showing the construction of a rotary body surface printing method according to embodiment 1 of the present invention;
FIG. 2 is a schematic flow chart of printing data of the rotary body surface printing method in embodiment 1 of the present invention;
FIG. 3 is a schematic flow chart of the printing position of the rotary body surface printing method in embodiment 1 of the present invention;
FIG. 4 is a schematic flow chart of the bottom color image of the rotary body surface printing method in embodiment 1 of the present invention;
FIG. 4-1 is a schematic diagram showing the structure of a ground color image of a rotary body surface printing method according to embodiment 1 of the present invention;
FIG. 5 is a schematic flow chart of a pattern image of a rotary body surface printing method in embodiment 1 of the present invention;
FIG. 5-1 is a schematic diagram showing the structure of a pattern image of a rotary body surface printing method in embodiment 1 of the present invention;
FIG. 6 is a schematic flow chart of a printing image of the rotary body surface printing method in embodiment 1 of the present invention;
FIG. 6-1 is a schematic view showing the structure of a printed image of the rotary body surface printing method in embodiment 1 of the present invention;
fig. 7 is a flow chart of a printing image configuration rotator of the rotator surface printing method in embodiment 1 of the present invention;
fig. 8 is a block diagram showing the structure of a printing apparatus according to embodiment 2 of the present invention;
fig. 9 is a schematic structural view of a printing apparatus in embodiment 3 of the present invention.
Reference numerals of fig. 1 to 9: 01. a feathered under color region; 02. a feathered pattern area; 03. non-feathered areas.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. In the description of the present invention, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Moreover, 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, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element. If not conflicting, the embodiments of the present invention and the features of the embodiments may be combined with each other, which are all within the protection scope of the present invention.
Example 1
As shown in fig. 1, embodiment 1 of the present invention provides a method for printing on a surface of a rotating body, the method including:
s1: acquiring an image height of a printed image;
specifically, the image height is the length or width of the obtained image lattice data after gridding the image data of the printed image; i.e. the image height is the sum of all row data or the sum of all column data of the image lattice data.
S2: setting the eclosion heights of a pattern image and a ground color image of the printed image according to the image height to obtain first eclosion data corresponding to the pattern image and second eclosion data corresponding to the ground color image;
s3: obtaining the printing data of the printing image according to the first eclosion data and the second eclosion data;
specifically, according to the height of the printed image, determining the eclosion height of the image data, wherein the eclosion height is a data row or a data column of the image data which needs to be processed, and the row or the column of the eclosion data is generally the front end or the rear end of the image data; when the image data is subjected to the feathering processing, the print data for performing the inkjet printing is obtained, and the print image includes the ground color printing and the pattern printing, so that the feathering processing of the image data includes the feathering processing of the ground color data and the feathering processing of the pattern data, and the first feathering data and the second feathering data are obtained.
S4: shifting the pattern image according to the feathering height of the ground color image to obtain a first starting printing position of the pattern image and a second starting printing position of the ground color image;
s5: controlling a spray head to print the pattern image at the first starting printing position according to the printing data, and printing the ground color image at the second starting printing position to obtain the printing image;
the image height is the length or width of dot matrix data of image data corresponding to the printed image on the surface of the rotator, the pattern image is a surface layer image of the printed image, and the pattern image at least comprises one of the following: printing characters and color blocks on the surface layer of the image; characters include, but are not limited to, letters, numbers, lines, pictographic patterns.
Specifically, the pattern image is shifted correspondingly according to the feathering height of the ground color printing, and then a first printing starting position and a second printing starting position of the corresponding printing are obtained; it can be understood that, in the printing process, the printing area corresponding to the feathering height of the ground color printing starts to print the pattern data and the non-feathering area of the ground color printing at the same time after the printing is completed, that is, the pattern image starts to print the feathering area and the ground color image starts to print the non-feathering area; until printing is completed; as shown in fig. 1-1, the printed image is divided into an feathered under color region 01, a feathered pattern region 02, and a non-feathered region 03; wherein the feathering pattern area 02 is offset from the feathering under color area 01 by a distance of the feathering height H in a direction (X direction) of printing.
It should be noted that: the printing is not only applicable to the printing tasks of the ground color printing and the pattern printing, but also applicable to the printing tasks of the treatment liquid printing and the varnish printing, and the specific type and the number of the combined printing are not limited.
It should be noted that: the printing medium is not limited to a standard cylinder and a cone, but can be other curved printing media; or the planar printing medium can be attached to the printing medium on any curved surface, and the printing medium can also be printed by adopting the method, for example, a rectangular printing medium can be printed by using a cylinder with the circumference equal to the length of the rectangle.
By adopting the rotator surface printing method of the embodiment, the pattern image of the printed image is shifted to enable two printing start positions to exist in the printed image, the pattern image lags behind the printing of the ground color image, and meanwhile, the starting positions of the pattern image and the ground color image are utilized to carry out eclosion, so that the printing data of the starting positions are skillfully divided into a part for printing in a printing start stage and another part for printing after a preset printing end position, and the head and tail positions of the printed image are all the starting areas of the image; therefore, seamless connection of the ending position of the printed image is realized, the printing effect of the printed image is ensured, and the qualification rate of the printed image is improved.
In one embodiment, as shown in FIG. 2, a method of printing a surface of a rotating body is provided;
the step S3 comprises the following steps:
s31: dividing the first eclosion data into first pattern data for starting printing and second pattern data for ending printing, wherein the second eclosion data is divided into first ground color data for starting printing and second ground color data for ending printing;
s32: the first pattern data, the second pattern data and the non-eclosion data corresponding to the pattern image form pattern image data of the pattern image, and the first ground color data, the second ground color data and the non-eclosion data corresponding to the ground color image form ground color image data of the ground color image;
s33: the print data is composed of the pattern image data and the ground color image data.
Specifically, print data of the print image requiring the eclosion processing is obtained according to the eclosion height, and the eclosion data is divided into print eclosion data for starting printing and print eclosion data for continuing printing after finishing printing; namely, the first eclosion data corresponding to the pattern data is divided into first pattern data for starting printing and second pattern data for ending printing; dividing the second eclosion data corresponding to the ground color data into first ground color data for starting printing and second ground color data for ending printing; it can be understood that the print data of the original print start area is divided into two parts, the first part is also at the start position of the print data, and the second part is inserted into the end position of the print data; because the surface of the rotating body is printed, the rotating body returns to the starting position again after rotating once, then the data of the second part is printed, and the printing of the whole image is finished after the data of the second part is printed.
The method skillfully utilizes the characteristic of eclosion, realizes normal transition of the head-to-tail connection position, does not occupy printing resources additionally (i.e. does not increase the Pass number of normal printing), thereby ensuring the effect of printing images and saving the printing cost.
In one embodiment, as shown in FIG. 3, a method of printing a surface of a rotating body is provided;
the step S4 comprises the following steps:
s41: acquiring the feathering height and a preset starting position of the printed image;
s42: shifting the pattern image according to the feathering height, and determining a relative position corresponding to the first starting printing position and the second starting printing position at intervals of the feathering height;
s43: determining the second printing starting position according to the preset starting position;
s44: and determining the first printing starting position according to the second printing starting position and the relative position.
Wherein the second start printing position lags behind the first start printing position, i.e. the pattern image lags behind the ground color image printing.
Specifically, the pattern image is shifted according to the feathering height, so that the pattern image lags the printing of the ground color image, and the distance H between the second starting printing position of the ground color image and the first starting printing position of the pattern image is obtained, wherein the feathering height is smaller than the image height; by retarding the print start position of the pattern image from the start position H distance (feathering height) of the ground color image printing, it is possible to ensure that the ground color printing has been completed at the print position of the print data printed at the end position in the pattern image start area; the method has the advantages that the first printing (the printing of the eclosion area according to the first pattern data in the beginning stage) and the second printing (the printing of the eclosion area according to the second pattern data after the printing is finished) of the pattern image in the eclosion area are realized, the seamless connection of the printed image is realized, and the effect of the printed image is ensured.
In one embodiment, as shown in fig. 4, the step S5 includes:
s501: acquiring a second feathering height corresponding to the ground color image;
s502: printing from the second starting printing position according to the first ground color data and non-feathering data corresponding to the ground color image to obtain a transitional ground color image;
s503: and continuously performing ground color printing on the image area corresponding to the second feathering height according to the second ground color data from the second starting printing position on the transition ground color image to obtain the ground color image.
Specifically, the base color printing is started from the second printing starting position according to the base color printing data, and a transition base color image with the length of the image to be printed is printed according to the first base color data and the non-eclosion data corresponding to the base color image, wherein the difference between the transition base color image and the base color image to be printed is only the image corresponding to the first base color data in the eclosion area; after the image is obtained, continuing to rotate the rotating body to enable the spray head of the printing equipment to cover the region with the eclosion height again, and printing second ground color data at the moment to obtain a final ground color image; 4-1, obtaining a transition ground color image with L length according to the first ground color image and non-eclosion data corresponding to the ground color image; then, the H1 area is reached again, and printing is performed based on the second ground color data.
The beginning area of the image is divided into the beginning area and the ending area, so that the beginning area and the ending area of the printed image are both the beginning area and the ending area of the image, thereby realizing the seamless connection of the beginning area and the ending area and ensuring the effect of the printed image.
Preferably, as shown in fig. 5, the S5 includes:
s511: acquiring a first eclosion height corresponding to the pattern image;
s512: printing from the first starting printing position according to the first pattern data and non-eclosion data corresponding to the pattern image to obtain a transition pattern image;
s513: and continuing to print the pattern of the image area corresponding to the first feathering height according to the second pattern data from the first printing starting position on the transition pattern image to obtain the pattern image.
Specifically, the pattern printing is started from the first printing starting position according to the pattern printing data, and a transition pattern color image with the length of the image to be printed is printed according to the first pattern data and the non-eclosion data corresponding to the pattern image, wherein the difference between the transition pattern image and the image to be printed is only the image corresponding to the first pattern data in the eclosion area; after the image is obtained, continuing to rotate the rotating body to enable the spray head of the printing equipment to cover the region with the eclosion height again, and printing second pattern data at the moment to obtain a final pattern image; 6-1, obtaining a transition pattern image with L length according to the first pattern image and non-eclosion data corresponding to the pattern image; then, the H2 area is reached again, and printing is performed according to the second pattern data.
The beginning area of the image is divided into the beginning area and the ending area, so that the beginning area and the ending area of the printed image are both the beginning area and the ending area of the image, thereby realizing the seamless connection of the beginning area and the ending area and ensuring the effect of the printed image.
In one embodiment, as shown in fig. 6, the step S5 includes:
s521: acquiring the printing speed, the feathering height and the printing data of the spray head;
s522: obtaining a lag time of the pattern image lagging behind the printing of the ground color image according to the feathering height and the printing speed;
s523: and controlling the spray head to spray ink according to the lag time and the printing data, and obtaining the printed image on the surface of the rotating body.
Specifically, according to the printing speed of the spray head and the eclosion height of the image, the time required for finishing the printing of the eclosion area is obtained, namely, the number of pulses required for finishing the printing of the required area is obtained; therefore, the printing starting time of the pattern image is determined, and the eclosion area of the pattern image and the eclosion area of the ground color image can be completely staggered; thereby ensuring that the bottom color printing of the head-to-tail joint position of the pattern image is finished; as shown in fig. 6-1, printing is started according to the print data; firstly, starting to print a left H1 area from a second starting printing position according to first ground color data, starting to print according to non-feathered data of a ground color image and first pattern data when the left H1 area is reached to the left H2 area after printing is completed, and starting to print according to non-feathered data of the ground color image and the first pattern data when the transitional ground color image is completed, printing the right H1 area according to second ground color data and the non-feathered data of the pattern image, and then printing the right H2 area according to second pattern data to obtain a complete printing image.
By retarding the print start position of the pattern image from the start position H distance (feathering height) of the ground color image printing, it is possible to ensure that the ground color printing has been completed at the print position of the print data printed at the end position in the pattern image start area; the first printing (the printing of the eclosion area according to the first pattern data at the beginning stage) and the second printing (the printing of the eclosion area according to the second pattern data after the printing is finished) of the pattern image in the eclosion area are realized, and the bottom color printing is the same; the seamless connection of the printed images is realized, and the effect of the printed images is ensured.
In one embodiment, as shown in fig. 7, the step S1 includes:
s11: acquiring an image height of a printed image;
s12: the rotating body for printing the printed image is configured according to the image height;
wherein the circumference of the rotator is equal to the length corresponding to the image height.
Specifically, the rotating body with the circumference of the surface of the rotating body matched with the image height is selected according to the image height of the printed image, and then printing is carried out by utilizing the rotating body, so that the head and tail positions of the printed image are all the starting areas, and the effect of the printed image is ensured.
By adopting the rotator surface printing method of the embodiment 1, the pattern image of the printed image is shifted to enable two printing start positions to exist in the printed image, the pattern image lags behind the printing of the ground color image, and meanwhile, the printing data of the starting positions are skillfully divided into a part for printing in a printing start stage and another part for printing after a preset printing end position by utilizing the feathering of the starting positions of the pattern image and the ground color image, so that the head position and the tail position of the printed image are all the starting areas of the image; therefore, seamless connection of the ending position of the printed image is realized, the printing effect of the printed image is ensured, and the qualification rate of the printed image is improved.
Example 2
The present invention also provides a printing apparatus for rotary body surface printing, as shown in fig. 8, comprising:
and a data acquisition module: an image height for acquiring a print image;
and a data analysis module: the image processing device is used for setting the eclosion heights of a pattern image and a ground color image of the printing image according to the image height to obtain first eclosion data corresponding to the pattern image and second eclosion data corresponding to the ground color image;
and a data processing module: the printing data is used for obtaining the printing image according to the first eclosion data and the second eclosion data;
And a data positioning module: the image processing device is used for shifting the pattern image according to the feathering height of the ground color image to obtain a first starting printing position of the pattern image and a second starting printing position of the ground color image;
and a data printing module: the printing device is used for controlling the spray head to start printing the pattern image at the first starting printing position according to the image data of the pattern image in the printing data, and controlling the spray head to start printing the ground color image at the second starting printing position according to the image data of the ground color image in the printing data to obtain the printing image;
the image height is the length or width of dot matrix data of image data corresponding to the printed image on the surface of the rotator, and the pattern image is a surface layer image of the printed image.
By adopting the printing device of the embodiment, the pattern image of the printing image is shifted, so that two printing starting positions exist in the printing image, the pattern image lags behind the printing of the ground color image, and meanwhile, the starting positions of the pattern image and the ground color image are used for feathering, so that the printing data of the starting positions are skillfully divided into one part of printing at the printing starting stage and the other part of the image after the printing ending position is preset, and the head and tail positions of the printing image are all the starting areas of the image; therefore, seamless connection of the ending position of the printed image is realized, the printing effect of the printed image is ensured, and the qualification rate of the printed image is improved.
In one embodiment, the data processing module includes:
an eclosion analysis unit: dividing the first eclosion data into first pattern data for starting printing and second pattern data for ending printing, wherein the second eclosion data is divided into first ground color data for starting printing and second ground color data for ending printing;
an eclosion processing unit: the first pattern data, the second pattern data and the non-eclosion data corresponding to the pattern image form pattern image data of the pattern image, and the first ground color data, the second ground color data and the non-eclosion data corresponding to the ground color image form ground color image data of the ground color image;
print data unit: the print data is composed of the pattern image data and the ground color image data.
The method skillfully utilizes the characteristic of eclosion, realizes normal transition of the head-to-tail connection position, does not occupy printing resources additionally (i.e. does not increase the Pass number of normal printing), thereby ensuring the effect of printing images and saving the printing cost.
In one embodiment, the data location module includes:
an eclosion height unit: acquiring the feathering height and a preset starting position of the printed image;
An image shift unit: shifting the pattern image according to the feathering height, and determining a relative position corresponding to the first starting printing position and the second starting printing position at intervals of the feathering height;
a second starting unit: determining the second printing starting position according to the preset starting position;
a first starting unit: and determining the first printing starting position according to the second printing starting position and the relative position.
By retarding the print start position of the pattern image from the start position H distance (feathering height) of the ground color image printing, it is possible to ensure that the ground color printing has been completed at the print position of the print data printed at the end position in the pattern image start area; the method has the advantages that the first printing (the printing of the eclosion area according to the first pattern data in the beginning stage) and the second printing (the printing of the eclosion area according to the second pattern data after the printing is finished) of the pattern image in the eclosion area are realized, the seamless connection of the printed image is realized, and the effect of the printed image is ensured.
In one embodiment, a data printing module includes:
the ground color height unit: acquiring a second feathering height corresponding to the ground color image;
A first base color unit: printing from the second starting printing position according to the first ground color data and non-feathering data corresponding to the ground color image to obtain a transitional ground color image;
a second base color unit: and continuously performing ground color printing on the image area corresponding to the second feathering height according to the second ground color data from the second starting printing position on the transition ground color image to obtain the ground color image.
The beginning area of the image is divided into the beginning area and the ending area, so that the beginning area and the ending area of the printed image are both the beginning area and the ending area of the image, thereby realizing the seamless connection of the beginning area and the ending area and ensuring the effect of the printed image.
In one embodiment, a data printing module includes:
pattern height unit: acquiring a first eclosion height corresponding to the pattern image;
a first pattern unit: printing from the first starting printing position according to the first pattern data and non-eclosion data corresponding to the pattern image to obtain a transition pattern image;
a second pattern unit: and continuing to print the pattern of the image area corresponding to the first feathering height according to the second pattern data from the first printing starting position on the transition pattern image to obtain the pattern image.
The beginning area of the image is divided into the beginning area and the ending area, so that the beginning area and the ending area of the printed image are both the beginning area and the ending area of the image, thereby realizing the seamless connection of the beginning area and the ending area and ensuring the effect of the printed image.
In one embodiment, a data printing module includes:
a data acquisition unit: acquiring the printing speed, the feathering height and the printing data of the spray head;
time unit: obtaining a lag time of the pattern image lagging behind the printing of the ground color image according to the feathering height and the printing speed;
a print control unit: and controlling the spray head to spray ink according to the lag time and the printing data, and obtaining the printed image on the surface of the rotating body.
By retarding the print start position of the pattern image from the start position H distance (feathering height) of the ground color image printing, it is possible to ensure that the ground color printing has been completed at the print position of the print data printed at the end position in the pattern image start area; the first printing (the printing of the eclosion area according to the first pattern data at the beginning stage) and the second printing (the printing of the eclosion area according to the second pattern data after the printing is finished) of the pattern image in the eclosion area are realized, and the bottom color printing is the same; the seamless connection of the printed images is realized, and the effect of the printed images is ensured.
In one embodiment, the data acquisition module is preceded by:
image height unit: acquiring an image height of a printed image;
size configuration unit: the rotating body for printing the printed image is configured according to the image height;
wherein the circumference of the rotator is equal to the image height.
Specifically, the rotating body with the circumference of the surface of the rotating body matched with the image height is selected according to the image height of the printed image, and then printing is carried out by utilizing the rotating body, so that the head and tail positions of the printed image are all the starting areas, and the effect of the printed image is ensured.
By adopting the rotator surface printing device of the embodiment 2, the pattern image of the printed image is shifted to enable two printing start positions to exist in the printed image, the pattern image lags behind the printing of the ground color image, and meanwhile, the printing data of the start positions are skillfully divided into a part for printing in a printing start stage and another part for printing after a preset printing end position by utilizing the feathering of the start positions of the pattern image and the ground color image, so that the head position and the tail position of the printed image are all the starting areas of the image; therefore, seamless connection of the ending position of the printed image is realized, the printing effect of the printed image is ensured, and the qualification rate of the printed image is improved.
Example 3
Embodiment 3 of the invention discloses a printing apparatus, as shown in fig. 9, comprising at least one processor, at least one memory, and computer program instructions stored in the memory.
In particular, the processor may comprise a Central Processing Unit (CPU), or an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), or may be configured as one or more integrated circuits that implement embodiments of the present invention.
The memory may include mass storage for data or instructions. By way of example, and not limitation, the memory may comprise a Hard Disk Drive (HDD), floppy Disk Drive, flash memory, optical Disk, magneto-optical Disk, magnetic tape, or universal serial bus (Universal Serial Bus, USB) Drive, or a combination of two or more of the foregoing. The memory may include removable or non-removable (or fixed) media, where appropriate. The memory may be internal or external to the data processing apparatus, where appropriate. In a particular embodiment, the memory is a non-volatile solid state memory. In a particular embodiment, the memory includes Read Only Memory (ROM). The ROM may be mask programmed ROM, programmable ROM (PROM), erasable PROM (EPROM), electrically Erasable PROM (EEPROM), electrically rewritable ROM (EAROM), or flash memory, or a combination of two or more of these, where appropriate.
The processor reads and executes the computer program instructions stored in the memory to realize any one of the rotating body surface printing methods of embodiment 1 described above.
In one example, the printing device may also include a communication interface and a bus. The processor, the memory and the communication interface are connected through a bus and complete communication with each other.
The communication interface is mainly used for realizing communication among the modules, the devices, the units and/or the equipment in the embodiment of the invention.
The bus includes hardware, software, or both, that couple components of the printing device to each other. By way of example, and not limitation, the buses may include an Accelerated Graphics Port (AGP) or other graphics bus, an Enhanced Industry Standard Architecture (EISA) bus, a Front Side Bus (FSB), a HyperTransport (HT) interconnect, an Industry Standard Architecture (ISA) bus, an infiniband interconnect, a Low Pin Count (LPC) bus, a memory bus, a micro channel architecture (MCa) bus, a Peripheral Component Interconnect (PCI) bus, a PCI-Express (PCI-X) bus, a Serial Advanced Technology Attachment (SATA) bus, a video electronics standards association local (VLB) bus, or other suitable bus, or a combination of two or more of the above. The bus may include one or more buses, where appropriate. Although embodiments of the invention have been described and illustrated with respect to a particular bus, the invention contemplates any suitable bus or interconnect.
In summary, the method, the device, the equipment and the storage medium for printing the surface of the rotating body provided by the embodiment of the invention.
The invention shifts the pattern image of the printed image to enable the printed image to have two printing starting positions, the pattern image lags behind the printing of the ground color image, and meanwhile, the printing data of the starting positions are skillfully divided into a part of printing at the printing starting stage and another part of printing after the printing ending position is preset, so that the head and tail positions of the printed image are all the starting areas of the image; therefore, seamless connection of the ending position of the printed image is realized, the printing effect of the printed image is ensured, and the qualification rate of the printed image is improved.
Meanwhile, the method skillfully utilizes the characteristic of eclosion, namely, the normal transition of the head-to-tail connection position is realized, and the printing resources are not additionally occupied (namely, the Pass number of normal printing is not increased), so that the effect of printing images is ensured, and the printing cost is saved.
And, by retarding the print start position of the pattern image from the start position H distance (feathering height) of the ground color image printing, it is possible to ensure that the ground color printing has been completed at the print position of the print data printed at the end position in the pattern image start area; the method has the advantages that the first printing (the printing of the eclosion area according to the first pattern data in the beginning stage) and the second printing (the printing of the eclosion area according to the second pattern data after the printing is finished) of the pattern image in the eclosion area are realized, the seamless connection of the printed image is realized, and the effect of the printed image is ensured.
It should be understood that the invention is not limited to the particular arrangements and instrumentality described above and shown in the drawings. For the sake of brevity, a detailed description of known methods is omitted here. In the above embodiments, several specific steps are described and shown as examples. However, the method processes of the present invention are not limited to the specific steps described and shown, and those skilled in the art can make various changes, modifications and additions, or change the order between steps, after appreciating the spirit of the present invention.
The functional blocks shown in the above-described structural block diagrams may be implemented in hardware, software, firmware, or a combination thereof. When implemented in hardware, it may be, for example, an electronic circuit, an Application Specific Integrated Circuit (ASIC), suitable firmware, a plug-in, a function card, or the like. When implemented in software, the elements of the invention are the programs or code segments used to perform the required tasks. The program or code segments may be stored in a machine readable medium or transmitted over transmission media or communication links by a data signal carried in a carrier wave. A "machine-readable medium" may include any medium that can store or transfer information. Examples of machine-readable media include electronic circuitry, semiconductor memory devices, ROM, flash memory, erasable ROM (EROM), floppy disks, CD-ROMs, optical disks, hard disks, fiber optic media, radio Frequency (RF) links, and the like. The code segments may be downloaded via computer networks such as the internet, intranets, etc.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (8)
1. A method of printing an image on a surface of a rotating body, the method comprising:
s1: acquiring an image height of a printed image;
s2: the method comprises the steps of setting the eclosion heights of a pattern image and a ground color image of a printed image according to the image height to obtain first eclosion data corresponding to the pattern image and second eclosion data corresponding to the ground color image, wherein the eclosion heights are data rows or data columns of the image data to be processed, and the rows or columns of the eclosion data are data of the front end or the rear end of the image data;
s3: obtaining the printing data of the printing image according to the first eclosion data and the second eclosion data, wherein the S3 comprises:
S31: dividing the first eclosion data into first pattern data for starting printing and second pattern data for ending printing, wherein the second eclosion data is divided into first ground color data for starting printing and second ground color data for ending printing;
s32: the first pattern data, the second pattern data and the non-eclosion data corresponding to the pattern image form pattern image data of the pattern image, and the first ground color data, the second ground color data and the non-eclosion data corresponding to the ground color image form ground color image data of the ground color image;
s33: forming the print data from the pattern image data and the ground color image data;
s4: shifting the pattern image according to a preset starting position of the printed image and the feathering height of the ground color image to obtain a first starting printing position of the pattern image and a second starting printing position of the ground color image;
s5: the control nozzle starts to print the pattern image at the first starting printing position according to the pattern image data and the first eclosion height of the pattern image in the printing data, and the control nozzle starts to print the ground color image at the second starting printing position according to the ground color image data and the second eclosion height of the ground color image in the printing data to obtain the printing image, wherein the S5 comprises:
S521: acquiring the printing speed, the feathering height and the printing data of the spray head;
s522: obtaining a lag time of the pattern image lagging behind the printing of the ground color image according to the feathering height and the printing speed;
s523: controlling the spray head to spray ink according to the lag time and the printing data, and obtaining the printing image on the surface of the rotating body;
the image height is the length or width of dot matrix data of image data corresponding to the printed image on the surface of the rotator, and the pattern image is a surface layer image of the printed image.
2. The rotary body surface printing method according to claim 1, wherein the S4 includes:
s41: acquiring the feathering height and a preset starting position of the printed image;
s42: shifting the pattern image according to the feathering height, and determining a relative position corresponding to the first starting printing position and the second starting printing position at intervals of the feathering height;
s43: determining the second printing starting position according to the preset starting position;
s44: and determining the first printing starting position according to the second printing starting position and the relative position.
3. The rotary body surface printing method according to claim 2, wherein the S5 includes:
s501: acquiring a second feathering height corresponding to the ground color image;
s502: printing from the second starting printing position according to the first ground color data and non-feathering data corresponding to the ground color image to obtain a transitional ground color image;
s503: and continuously performing ground color printing on the image area corresponding to the second feathering height according to the second ground color data from the second starting printing position on the transition ground color image to obtain the ground color image.
4. The rotary body surface printing method according to claim 2, wherein the S5 includes:
s511: acquiring a first eclosion height corresponding to the pattern image;
s512: printing from the first starting printing position according to the first pattern data and non-eclosion data corresponding to the pattern image to obtain a transition pattern image;
s513: and continuing to print the pattern of the image area corresponding to the first feathering height according to the second pattern data from the first printing starting position on the transition pattern image to obtain the pattern image.
5. The rotary body surface printing method according to any one of claims 1 to 4, characterized in that at S1, it comprises:
s11: acquiring an image height of a printed image;
s12: the rotating body for printing the printed image is configured according to the image height;
wherein the circumference of the rotator is equal to the image height.
6. A printing apparatus for printing on a surface of a rotating body, comprising:
and a data acquisition module: an image height for acquiring a print image;
and a data analysis module: the method comprises the steps of setting the eclosion heights of a pattern image and a ground color image of a printed image according to the image height to obtain first eclosion data corresponding to the pattern image and second eclosion data corresponding to the ground color image, wherein the eclosion heights are data rows or data columns of the image data to be processed, and the rows or columns of the eclosion data are data of the front end or the rear end of the image data;
and a data processing module: and obtaining the printing data of the printing image according to the first eclosion data and the second eclosion data, wherein the data processing module comprises:
an eclosion analysis unit: dividing the first eclosion data into first pattern data for starting printing and second pattern data for ending printing, wherein the second eclosion data is divided into first ground color data for starting printing and second ground color data for ending printing;
An eclosion processing unit: the first pattern data, the second pattern data and the non-eclosion data corresponding to the pattern image form pattern image data of the pattern image, and the first ground color data, the second ground color data and the non-eclosion data corresponding to the ground color image form ground color image data of the ground color image;
print data unit: forming the print data from the pattern image data and the ground color image data;
and a data positioning module: the image processing device is used for shifting the pattern image according to the feathering height of the ground color image to obtain a first starting printing position of the pattern image and a second starting printing position of the ground color image;
and a data printing module: the data printing module is used for controlling a spray head to start printing the pattern image at the first starting printing position according to pattern image data and a first feathering height of the pattern image in the printing data, controlling the spray head to start printing the ground color image at the second starting printing position according to ground color image data of the ground color image in the printing data, and obtaining the printing image, wherein the data printing module comprises:
A data acquisition unit: acquiring the printing speed, the feathering height and the printing data of the spray head;
time unit: obtaining a lag time of the pattern image lagging behind the printing of the ground color image according to the feathering height and the printing speed;
a print control unit: controlling the spray head to spray ink according to the lag time and the printing data, and obtaining the printing image on the surface of the rotating body;
the image height is the length or width of dot matrix data of image data corresponding to the printed image on the surface of the rotator, and the pattern image is a surface layer image of the printed image.
7. A printing apparatus, comprising: at least one processor, at least one memory, and computer program instructions stored in the memory, which when executed by the processor, implement the method of any one of claims 1-5.
8. A storage medium having stored thereon computer program instructions, which when executed by a processor, implement the method of any of claims 1-5.
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| CN101098785A (en) * | 2005-11-04 | 2008-01-02 | 株式会社理光 | Image processing method, image processing apparatus, image forming apparatus and image forming system |
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| WO2003057787A1 (en) * | 2002-01-08 | 2003-07-17 | Ricoh Company Ltd. | Ink set, ink-jet recording method, and recorder |
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| CN101098785A (en) * | 2005-11-04 | 2008-01-02 | 株式会社理光 | Image processing method, image processing apparatus, image forming apparatus and image forming system |
| CN102887000A (en) * | 2011-07-21 | 2013-01-23 | 大亚科技股份有限公司 | Processing method for fine gilding and overprinting in large size |
| CN109311306A (en) * | 2016-06-22 | 2019-02-05 | Ccl证券私人有限公司 | The method of gravure apparatus and this device of production |
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