CN113427906A - Adsorption method of printing medium, printing method and printer - Google Patents
Adsorption method of printing medium, printing method and printer Download PDFInfo
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- CN113427906A CN113427906A CN202110783775.0A CN202110783775A CN113427906A CN 113427906 A CN113427906 A CN 113427906A CN 202110783775 A CN202110783775 A CN 202110783775A CN 113427906 A CN113427906 A CN 113427906A
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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
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0085—Using suction for maintaining printing material flat
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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
Abstract
The invention relates to the technical field of digital printing, in particular to an adsorption method of a printing medium, a printing method and a printer. According to the embodiment of the invention, the coverage area of the printing medium on the printing platform mechanism can be determined according to the image acquired by the image acquisition device, and the ventilation state of each through hole in the coverage area is controlled by the adjusting device. Because the invention can independently control the ventilation state of each through hole, no matter how the shape of the covered area is, only the ventilation state of the through holes in the covered area needs to be controlled, and the range of the effective adsorption area can be conveniently limited by the through holes which are in the ventilation state with the vacuum generating device; the matching degree of the shape of the effective adsorption area and the shape of the printing medium is high no matter the shape of the printing medium is triangular, circular, elliptical or irregular. In addition, as the through holes can also form a plurality of discontinuous effective adsorption areas, the invention can also adsorb a plurality of non-adjacent printing media at the same time.
Description
Technical Field
The invention relates to the technical field of digital printing, in particular to an adsorption method of a printing medium, a printing method and a printer.
Background
The ink jet printing technology refers to a technology for realizing image or text printing by controlling a head to eject ink droplets onto a printing medium. When the image-text is printed on the printing medium, the printing medium is placed on the printing platform, and the nozzle of the printer moves back and forth along the preset scanning direction to print the image-text on the printing medium.
During printing, the flatness of the print medium can affect the print performance. If the print medium is warped or the quality of the printed image is degraded, or the head collides with the print medium, the head is damaged. In order to improve the flatness of the printing medium, the printing platform generally has an adsorption function, and the printing medium can be adsorbed on the printing platform.
In carrying out the present invention, the inventors have found that in the related art, the effective suction area of the printing medium can be generally only rectangular, and is suitable for sucking a rectangular printing medium, but not for sucking a circular, oval or other irregularly shaped printing medium.
Disclosure of Invention
The embodiment of the invention provides a printing medium adsorption method, a printing method and a printer, which can control the ventilation state of each through hole in the coverage area of the printing medium on a printing platform mechanism.
In order to solve the technical problem, the following technical solutions are provided in the embodiments of the present invention:
in a first aspect, an embodiment of the present invention provides a printing medium adsorption method, which is applied to a printer, where the printer includes a printing platform mechanism, the printing platform mechanism is provided with a plurality of through holes, the printing platform mechanism includes a plurality of adjusting devices, the through holes are used for adsorbing a printing medium, and each adjusting device is used for adjusting a ventilation state between each through hole and a vacuum generating device;
the method comprises the following steps:
determining a coverage area of at least one printing medium on the printing platform mechanism according to the image acquired by the image acquisition device;
controlling the ventilation state of each through hole in the covering area through the adjusting device, wherein the ventilation state is the ventilation state of the through hole and the vacuum generating device.
Optionally, the controlling, by the adjusting device, the ventilation state of each through hole in the coverage area includes:
adjusting the ventilation state of each through hole in the coverage area to be a ventilation state through the adjusting device.
Optionally, the controlling, by the adjusting device, the ventilation state of each through hole in the coverage area includes:
acquiring information of a printing medium;
determining an opening ratio of the through holes according to the information of the printing medium, wherein the opening ratio is a ratio of the number of the through holes of which the ventilation state is a ventilation state in the coverage area to the total number of the through holes in the coverage area;
controlling the ventilation state of each through hole in the coverage area according to the opening ratio.
Optionally, the controlling the ventilation state of each through hole in the coverage area according to the opening ratio includes:
and if the opening proportion is within a preset proportion range, controlling the ventilation state of each through hole in the coverage area according to the opening proportion.
Optionally, the controlling the ventilation state of each through hole in the coverage area according to the opening ratio further includes:
and if the opening ratio is out of the preset ratio range, sending reminding information, wherein the reminding information is used for reminding a user to adjust the position of the printing medium.
Optionally, the controlling, by the adjusting device, the ventilation state of each through hole in the coverage area further includes:
determining the adsorption force of the printing medium according to the information of the printing medium;
and controlling the through holes in the coverage area to adsorb the printing medium based on the adsorption force.
In a second aspect, an embodiment of the present invention further provides a printing method applied to a printer, where the printer includes a nozzle group, and the method includes:
adsorbing a print medium according to the method of the first aspect;
acquiring printing data of a target pattern to be printed on the printing medium;
determining a position of the printing medium;
and controlling the nozzle group to print the target pattern on the printing medium according to the position and the printing data.
Optionally, the controlling the nozzle group to print the target pattern on the printing medium according to the position and the print data includes:
if the position deflects, correcting the printing data according to the position;
and controlling the nozzle group to print the target pattern on the printing medium according to the corrected printing data.
In a third aspect, an embodiment of the present invention further provides a printer, where the printer includes:
the printing platform mechanism is provided with a through hole used for adsorbing a printing medium and comprises a plurality of adjusting devices, and each adjusting device is respectively used for controlling the ventilation state of each through hole and the vacuum generating device;
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of the first and second aspects.
In a fourth aspect, embodiments of the present invention provide a non-transitory computer-readable storage medium storing computer-executable instructions, which when executed by the at least one processor, enable the at least one processor to perform the method according to the first and second aspects of the present invention.
The beneficial effects of the embodiment of the invention are as follows: different from the situation of the prior art, the embodiment of the invention provides an adsorption method, a printing method and a printer for a printing medium, which can determine the coverage area of the printing medium on a printing platform mechanism according to an image acquired by an image acquisition device, and control the ventilation state of each through hole in the coverage area through an adjusting device. Because the invention can independently control the ventilation state of each through hole, no matter how the shape of the covered area is, only the ventilation state of the through holes in the covered area needs to be controlled, and the range of the effective adsorption area can be conveniently limited by the through holes which are in the ventilation state with the vacuum generating device; no matter the shape of the printing medium is triangular, circular, elliptical or irregular, the matching degree of the shape of the effective adsorption area and the shape of the printing medium is high, no adsorption air flow flows at the outer edge of the printing medium, the ink floating phenomenon cannot occur, and the printing quality is high; in addition, because the through holes can also form a plurality of discontinuous effective adsorption areas, the invention can also adsorb a plurality of nonadjacent printing media at the same time, and the printer can simultaneously print and process a plurality of same or different printing media, and the production and the processing are flexible and efficient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic diagram of a hardware configuration of a printer according to an embodiment of the present invention;
FIG. 2 is a schematic view of a printing deck mechanism provided in accordance with one embodiment of the present invention;
FIG. 3 is a schematic diagram of a cross-sectional view of a print deck mechanism provided by one embodiment of the present invention;
FIG. 4 is a flow chart of a method of adsorbing a print medium according to an embodiment of the present invention;
FIG. 5 is a schematic illustration of a print deck mechanism and print media provided by one embodiment of the present invention;
FIG. 6 is a flow chart of a printing method provided by one embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a sorption device provided by an embodiment of the present invention;
FIG. 8 is a schematic diagram of a printing apparatus according to an embodiment of the present invention;
fig. 9 is a schematic diagram of a hardware structure of a controller according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
In the description of the present invention, it is to be understood that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Further, the references to "horizontal" and "vertical" etc. indicate that the orientation or positional relationship is based on that shown in the drawings only for the purpose of describing the invention or facilitating the description, and do not indicate or imply that the referred device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Referring to fig. 1, fig. 1 schematically shows a hardware structure of a printer for performing the printing method of the present invention, and as shown in fig. 1, the printer 100 generally includes a controller 110, a head group 120, an image capturing device 130, and a printing platform mechanism 140. Those skilled in the art will appreciate that the configuration shown in FIG. 1 is not intended to be limiting, as an ink jet printer may include more or fewer components than shown, or some components may be combined, or some components may be separated, or a different arrangement of components.
The head group 120 is used to print a target pattern on a printing medium. The nozzle group 120 includes at least one nozzle, four nozzles are illustrated in fig. 1, and the nozzle group 120 may include more or less nozzles than those illustrated in fig. 1. As shown in fig. 1, the showerhead group 120 includes a first showerhead 121, a second showerhead 122, a third showerhead 123, a fourth showerhead 124, and an nth showerhead (N is a positive integer greater than 4); the first nozzle 121 is used to print Cyan ink (Cyan, C), the second nozzle 122 is used to jet print Magenta ink (Magenta, M), the third nozzle 123 is used to jet print Yellow ink (Y), and the fourth nozzle 124 is used to jet print BlacK ink (BlacK, K). C. M, Y and K are four basic colors, and the controller 110 generates the desired color by controlling the individual jets in the jet stack 120 to jet different doses of ink. The first nozzle 121, the second nozzle 122, the third nozzle 123 and the fourth nozzle 124 may be a single nozzle or may be formed by splicing a plurality of nozzle units. In some embodiments, the set of nozzles 120 also includes nozzles for printing other color inks, for example, the set of nozzles 120 may also include nozzles for printing gold, blue, or silver inks.
Each head in the head group 120 has a plurality of nozzles for ejecting ink droplets, and the plurality of nozzles are arranged in a regular pattern, for example, the plurality of nozzles may be arranged in a plurality of rows in the printing direction. When the printing mode of the inkjet printer 100 is a scanning printing mode, the controller 110 may control the nozzle group 120 to move in a preset scanning direction with respect to the printing medium, and at the same time, control the nozzles to eject ink droplets; when the print mode of the inkjet printer 100 is a single pass print mode, the controller 110 may also control the nozzles to eject ink drops when the nozzles are not moving and move the print medium under the nozzles to form a target pattern on the print medium.
In some embodiments, the printing mode of the inkjet printer 100 is a reciprocating scanning printing mode; the head group 120 may reciprocate in a preset scanning direction so as to be able to print each line of image blocks of the target image on the printing medium. The direction of the relative movement between the print medium and the nozzle group 120 is a step direction, and the step direction is perpendicular to the preset scanning direction. In some embodiments, during printing, the position of the printing medium is fixed, and line-by-line printing of the target pattern is achieved by moving the head group 120 in the stepping direction; in other embodiments, the position of the nozzle group 120 is fixed during printing, and line-by-line printing of the target pattern is achieved by moving the print medium in a stepping direction.
The image capturing device 130 is a device that can convert image information of a real object into a digital signal. The image capturing Device 130 may be a Charge Coupled Device (CCD) image sensor. The image capturing device 130 may be specifically disposed above the printing platform mechanism 140.
The printing platform mechanism 140 is used to hold and absorb the printing medium. The platen mechanism 140 is coupled to a vacuum generating device (e.g., a vacuum pump). Fig. 2 schematically shows a schematic view of a printing deck mechanism from a perspective, and fig. 3 schematically shows a cross-sectional view of the printing deck mechanism of fig. 2. As shown in fig. 2 and 3, the printing platform mechanism 300 includes a vacuum box 310 and a plurality of adjusting devices 320, wherein the vacuum box 310 includes a top surface portion 311 and a bottom surface portion 313 opposite to the top surface portion 311, and the adjusting devices 320 are disposed on a side of the top surface portion 311 close to the bottom surface portion 313. The top surface 311 and the bottom surface 313 of the vacuum box 310 and the side surface between the top surface 311 and the bottom surface 313 enclose a cavity, and the cavity is connected with a vacuum generating device through a box opening 314. The box opening may be provided in the bottom surface portion, for example: may be provided in the middle region of the bottom surface portion. The top surface 311 is provided with a through hole 312, and the through hole 312 is used for adsorbing a printing medium. The adjusting device 320 is used for adjusting the ventilation state of the through hole 312 and the cavity. In some embodiments of the present invention, the number of the adjusting devices 320 is equal to the number of the through holes 312, and each adjusting device 320 is disposed at one end of the through hole 312 close to the bottom surface portion 313. The controller is in communication with each of the regulating devices 320, and the controller can individually control the ventilation state of each of the through holes 312 and the vacuum generating device through the regulating devices 320. The adjusting device 320 may be implemented by a micro driver matching with a baffle, or implemented by a memory metal sheet connecting with a conducting wire, wherein the memory metal sheet can deform along with the change of power-on and temperature, and further controls the opening or closing of the through hole 312.
Specifically, the venting state includes a ventable state and an isolated state. When the connection state of the through hole 311 and the vacuum generating device is a ventilation state, the vacuum generating device is turned on to change the air pressure inside the through hole 311 from normal pressure to negative pressure, and the purpose of adsorbing the printing medium can be achieved by utilizing the effect of the pressure difference between the external atmospheric pressure and the negative pressure inside the through hole 311. When the through hole 311 is isolated from the vacuum generator in the ventilation state, even if the vacuum generator is turned on, the pressure in the through hole 311 is still at normal pressure, and at this time, the through hole 311 does not have an adsorption effect on the printing medium.
The embodiment of the invention provides a printing medium adsorption method which is applied to a printer, for example, the printer 100 in FIG. 1. Fig. 4 schematically shows a flow of the suction method of the printing medium. As shown in fig. 4, the method comprises the steps of:
s31, determining the coverage area of at least one printing medium on the printing platform mechanism according to the image acquired by the image acquisition device;
in this embodiment, the printing medium may be a plate-like printing medium. The number of print media on the print deck mechanism may be one or more; for example: the number of printing media may be 2, three, four, etc. When the number of the printing media is plural, the positions of the printing media on the printing platform mechanism are different, and the shapes and/or sizes of the printing media may be the same or different.
When the printing medium is placed on the printing platform mechanism, the controller acquires the printing medium and the image of the printing platform mechanism through the image acquisition device, and determines the coverage area of the printing medium on the printing platform mechanism through the image. The shape, size and position of the print medium are the same as the shape, size and position of the coverage area.
And S22, controlling the ventilation state of each through hole in the covering area through the adjusting device, wherein the ventilation state is the ventilation state of the through holes and the vacuum generating device.
In some embodiments, the controller may bind a unique preset identifier to each through hole, and the controller may acquire a position or a preset identifier of each through hole in the coverage area according to the image acquired by the image acquisition device, and control a ventilation state of each through hole in the coverage area according to the position or the preset identifier. The preset identifier may specifically include an identification code formed by letters and/or numbers. For example, in some embodiments, the controller may pre-identify each via by using an arabic number, for example, the preset identification of the first via in the first row is 1-1, and the preset identification of the first via in the second row is 1-2 … …, and the preset identification of the nth via in the first row is 1-N; the preset mark of the first through hole of the second row is 2-1, the preset mark of the second through hole is 2-2 … …, and the preset mark of the Nth through hole of the second row is 2-N; … …, respectively; the preset mark of the Nth through hole of the Mth row is M-N, wherein M and N are positive integers. The controller can determine the position or the preset mark of each through hole in the boundary of the coverage area according to the image acquired by the image acquisition device, and cover the ventilation state of each through hole in the coverage area according to the preset mark or the position of each through hole in the coverage area. For example: the controller can control the through holes 100-500 in the 4 th row to be in a ventilation state, and the controller can also control the through holes which are preset to be labeled 4-100 and 4-101 … … 4-500 to be in a ventilation state.
In some embodiments, the controller may adjust the ventilation state of each through hole within the covered area to a ventable state by the adjustment device, and simultaneously adjust the ventilation state of each through hole outside the covered area to an isolated state. When the vacuum generating device is in a working state, the air pressure of the through hole in the coverage area is changed into negative pressure, the negative pressure has an adsorption effect on the printing medium, the air pressure in the through hole outside the coverage area is still normal pressure, and the adsorption effect on the printing medium is avoided. In some embodiments of the present invention, the controller determines that the via is located outside the coverage area when the via is located on a boundary of the coverage area. In general, the larger the number of through holes per unit area, the higher the degree of matching between the shape and size of the region formed in a breathable state and the covering region, and the better the adsorption effect.
In some embodiments, since some sheet-like printing media are easy to dent downwards to the through hole under the strong adsorption force of the through hole, and the printing effect is affected, the controller can also obtain the information of the printing media, and determine the adsorption force of the printing media according to the information of the printing media, so as to control the adsorption force of the adsorption area through the vacuum generating device. Generally, the thinner the thickness of the printing medium, the smaller the adsorption force. The information of the print medium specifically includes the thickness, material, and/or degree of warp of the print medium.
In some embodiments, the controller may further obtain information of the printing medium, and determine an opening ratio of the through holes according to the information of the printing medium, wherein the opening ratio is a ratio of the number of through holes in the covered area, the ventilation state of which is a ventilation state, to the total number of through holes in the covered area; and controlling the ventilation state of each through hole in the coverage area according to the opening ratio. For example: the opening ratio may be 100%, 90%, 80%, or the like. When the opening ratio is 100%, all the through holes in the covered area are in a ventilation state. Optionally, in some embodiments of the present invention, in order to make the printing medium more smoothly attached to the printing platform mechanism, the through holes in the ventilation state are uniformly distributed in the coverage area, and each through hole located on the boundary of the coverage area is in the isolation state. Meanwhile, in order to prevent the edge of the printing medium from being lifted, the through hole located near the boundary of the coverage area is in a breathable state. Further, in some embodiments, if the opening ratio is within the preset ratio range, the controller controls the opening state of each row of through holes in the adjusted effective adsorption area according to the opening ratio. And if the opening proportion is not in the preset proportion range, sending reminding information to prompt a user to adjust the position of the printing medium.
In some embodiments, the controller may control the opening ratio of the number of through holes in the open state in the print medium footprint to the total number of all through holes in the footprint according to the degree of warpage of the print medium, and the higher the degree of warpage, the larger the opening ratio. For example: the opening ratio of materials easy to warp (such as thin paper fiber plates or plastic plates and the like) needs to be ensured to be more than 90 percent; for materials which are not easy to warp (such as metal plates, thicker plastic plates and the like), the opening ratio is required to be ensured to be more than 80% so as to ensure that the printing medium is adsorbed by the through holes, and the surface of the printing medium is flat and has no warp. If the opening ratio is out of the preset ratio range, the controller judges that the requirement still cannot be met by adjusting the effective adsorption area under the position of the current printing medium; at this time, the position of the printing medium needs to be adjusted until the opening ratio is changed to be within the preset ratio range, and the controller controls the nozzle group to perform corresponding accurate printing according to the position information of the printing medium.
When the through hole which is positioned outside the boundary of the coverage area and close to the boundary of the coverage area is in the air ventilation state, the part of the through hole can form air flow flowing into the through hole from the outer side of the top surface part of the printing platform mechanism on the side, close to the printing medium, of the top surface part when the vacuum generating device is in the working state. Therefore, when a target image is printed on the edge of the printing medium, ink droplets ejected from the nozzles are likely to fall obliquely downward in a direction close to the edge of the printing medium under the action of the air flow, so that a part of the target image located on the edge of the printing medium is blurred, and the printing quality is affected. In the embodiment of the invention, the image acquisition device can accurately acquire the coverage area of the printing medium, and the through holes in the ventilation state are positioned in the coverage area, and the ventilation states of the through holes outside the coverage area are all in the isolation state, so that the printing precision is improved.
In the embodiment of the invention, the controller can independently control the ventilation state of each through hole, the printing platform mechanism is suitable for adsorbing printing media with any shapes, and the printing media can also comprise at least one hollow area (such as annular patterns and the like). The shape of the print medium may be any shape including, but not limited to, circular, elliptical, semicircular, polygonal, annular, and any irregular shape, etc. Fig. 5 schematically shows a top surface portion of the print deck mechanism and various different shapes of print media placed on the top surface. It will be appreciated by those skilled in the art that the configuration shown in FIG. 5 does not constitute a limitation on the shape of the print medium, which may be any other suitable shape.
The embodiment of the invention also provides a printing method, which is applied to a printer and comprises the following steps: applied to the printer of fig. 1, fig. 6 schematically shows a flow of a printing method, which, as shown in fig. 6, comprises the steps of:
s71, adsorbing the printing medium according to the adsorbing method of the printing medium provided in the above embodiment;
s72, acquiring the printing data of the target pattern to be printed on the printing medium;
s73, determining the position of the printing medium;
and S73, controlling the nozzle group to print the target pattern on the printing medium according to the position and the printing data.
In the embodiment of the present invention, the number of the printing media to be printed may be one or more. The controller can acquire the printing data of the target patterns to be printed on each printing medium, determine the position of the printing medium relative to the printing platform mechanism, correct the printing data according to the position of the printing medium if the printing medium deflects relative to the position of the printing platform mechanism and a preset position, and control the nozzle group to print the target patterns on the printing medium according to the corrected printing data. The controller adjusts each printing medium to correspond to the image file according to the position of one or more printing media, so that the size and the position of the image to be printed of the printing medium of each printing medium can be matched with those of the corresponding printing medium, and the printing accuracy is ensured. The image acquisition device acquires the printing medium and the printing platform mechanism, the image accuracy is high, the acquired information can be fed back to the adjusting device at once to be adjusted, the adjusting feedback is rapid and good in effect, and the automation degree is high.
Specifically, in some embodiments, when the number of the printing media is multiple, the controller may obtain the printing data of each printing medium, and control the nozzles to print the printing media one by one according to the printing data and the positions of the printing media, that is, after printing of one printing medium is completed, another printing medium is printed. In other embodiments, the controller may further obtain the position of each print medium, and perform layout on the image to be printed on each print medium according to the position of each print medium, so that the controller may control the nozzle group to print a plurality of print media simultaneously in the process of printing the same line according to the laid-out image, thereby improving the printing efficiency.
The embodiment of the invention also provides an adsorption device, which is applied to a printer and comprises the following components: the printer 100 in fig. 1, fig. 7 schematically shows the structure of the suction device, and as shown in fig. 7, the suction device 800 includes:
a determining module 801, wherein the determining module 801 is used for determining a coverage area of at least one printing medium on the printing platform mechanism according to the image acquired by the image acquisition device;
an adjusting module 802, where the adjusting module 802 is configured to control a ventilation state of each through hole in the covered area through the adjusting device, where the ventilation state is a ventilation state of the through hole and the vacuum generating device.
In some embodiments, the adjustment module 802 is specifically configured to:
adjusting the ventilation state of each through hole in the coverage area to be a ventilation state through the adjusting device.
In other embodiments, the adjustment module 802 is specifically configured to:
acquiring information of a printing medium;
determining an opening ratio of the through holes according to the information of the printing medium, wherein the opening ratio is a ratio of the number of the through holes of which the ventilation state is a ventilation state in the coverage area to the total number of the through holes in the coverage area;
controlling the ventilation state of each through hole in the coverage area according to the opening ratio.
In some embodiments, the controlling the ventilation state of each of the through holes in the covered area according to the opening ratio includes:
and if the opening proportion is within a preset proportion range, controlling the ventilation state of each through hole in the coverage area according to the opening proportion.
In some embodiments, the controlling the ventilation state of each of the through holes in the covered area according to the opening ratio further includes:
and if the opening ratio is out of the preset ratio range, sending reminding information, wherein the reminding information is used for reminding a user to adjust the position of the printing medium.
In some embodiments, the adjusting module 802 is further specifically configured to:
determining the adsorption force of the printing medium according to the information of the printing medium;
and controlling the through holes in the coverage area to adsorb the printing medium based on the adsorption force.
An embodiment of the present invention further provides a printing apparatus, which is applied to a printing apparatus, for example, the printing apparatus 100 in fig. 1, and as shown in fig. 8, the printing apparatus 900 includes
An adsorption module 901, wherein the adsorption module 901 is used for adsorbing the printing medium according to the adsorption method of the printing medium provided by the above embodiment;
an obtaining module 902, where the obtaining module 902 is configured to obtain print data of a target pattern to be printed on the print medium;
a determining module 903, wherein the determining module 903 is used for determining the position of the printing medium;
a printing module 904, the printing module 904 configured to control the set of nozzles to print the target pattern on the print medium according to the position and the print data.
In some embodiments, the printing module 904 is specifically configured to:
if the position deflects, correcting the printing data according to the position;
and controlling the nozzle group to print the target pattern on the printing medium according to the corrected printing data.
According to the adsorption method, the printing method and the printer for the printing medium, provided by the embodiment of the invention, the coverage area of the printing medium on the printing platform mechanism can be determined according to the image acquired by the image acquisition device, and the ventilation state of each through hole in the coverage area is controlled by the adjusting device. Because the invention can independently control the ventilation state of each through hole, no matter how the shape of the covered area is, only the ventilation state of the through holes in the covered area needs to be controlled, and the range of the effective adsorption area can be conveniently limited by the through holes which are in the ventilation state with the vacuum generating device; no matter the shape of the printing medium is triangular, circular, elliptical or irregular, the matching degree of the shape of the effective adsorption area and the shape of the printing medium is high, no adsorption air flow flows at the outer edge of the printing medium, the ink floating phenomenon cannot occur, and the printing quality is high; in addition, because the through holes can also form a plurality of discontinuous effective adsorption areas, the invention can also adsorb a plurality of nonadjacent printing media at the same time, and the printer can simultaneously print and process a plurality of same or different printing media, and the production and the processing are flexible and efficient.
Fig. 9 schematically shows a hardware configuration diagram of the controller. As shown in fig. 9, the controller 1100 includes:
one or more processors 1110 and a memory 1120, with one processor 1110 being an example in fig. 9.
The processor 1110 and the memory 1120 may be connected by a bus or other means, such as the bus shown in FIG. 9.
The memory 1120, which is a non-volatile computer-readable storage medium, may be used to store non-volatile software programs, non-volatile computer-executable programs, and modules, such as program instructions/modules corresponding to the adsorption method and/or the printing method of the printing medium in the embodiment of the present application (for example, the determination module 801 and the adjustment module 802 shown in fig. 7). The processor 1110 executes various functional applications of the printer and data processing, i.e., realizes the adsorption method and/or the printing method of the printing medium of the above-described method embodiments, by executing the nonvolatile software program, instructions, and modules stored in the memory 1120.
The memory 1120 may include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function; the storage data area may store data created according to use of the suction device and/or the printing device, and the like. Further, the memory 1120 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some embodiments, the memory 1120 optionally includes memory located remotely from the processor 1110, which may be connected to the suction device and/or the printing device via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The one or more modules are stored in the memory 1120, and when executed by the one or more processors 1110, perform the print medium adsorption method and/or the print method in any of the above-described method embodiments, for example, the method steps S51-S52 in fig. 4, and the method steps S71-S74 in fig. 6, which are described above, implement the functions of the function module 801 and 802 in fig. 7, and the function module 901 and 904 in fig. 8.
The product can execute the method provided by the embodiment of the application, and has the corresponding functional modules and beneficial effects of the execution method. For technical details that are not described in detail in this embodiment, reference may be made to the methods provided in the embodiments of the present application.
Embodiments of the present application provide a non-transitory computer-readable storage medium, which stores computer-executable instructions, which are executed by one or more processors, such as one of the processors 1110 in fig. 9, and can enable the one or more processors to perform the adsorbing method and/or the printing method of the printing medium in any of the above-mentioned method embodiments, for example, the method steps S51-S52 in fig. 4 and the method steps S71-S74 in fig. 6, which are described above, implement the functions of the function module 801 and the function module 802 in fig. 7 and the function module 901 and the function module 904 in fig. 8.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a general hardware platform, and certainly can also be implemented by hardware. It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware related to instructions of a computer program, which can be stored in a computer readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; although the present 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The printing medium adsorption method is applied to a printer and is characterized in that the printer comprises a printing platform mechanism, the printing platform mechanism is provided with a plurality of through holes, the printing platform mechanism comprises a plurality of adjusting devices, the through holes are used for adsorbing printing media, and the adjusting devices are respectively used for adjusting the ventilation state of the through holes and a vacuum generating device;
the method comprises the following steps:
determining a coverage area of at least one printing medium on the printing platform mechanism according to the image acquired by the image acquisition device;
controlling the ventilation state of each through hole in the covering area through the adjusting device, wherein the ventilation state is the ventilation state of the through hole and the vacuum generating device.
2. The method for adsorbing a printing medium according to claim 1, wherein the controlling the ventilation state of each through hole in the covered area by the adjusting device comprises:
adjusting the ventilation state of each through hole in the coverage area to be a ventilation state through the adjusting device.
3. The method for adsorbing a printing medium according to claim 1, wherein the controlling the ventilation state of each through hole in the covered area by the adjusting device comprises:
acquiring information of a printing medium;
determining an opening ratio of the through holes according to the information of the printing medium, wherein the opening ratio is a ratio of the number of the through holes of which the ventilation state is a ventilation state in the coverage area to the total number of the through holes in the coverage area;
controlling the ventilation state of each through hole in the coverage area according to the opening ratio.
4. The method for adsorbing a printing medium according to claim 3, wherein said controlling the ventilation state of each of the through holes in the covered area according to the opening ratio comprises:
and if the opening proportion is within a preset proportion range, controlling the ventilation state of each through hole in the coverage area according to the opening proportion.
5. The method for adsorbing a printing medium according to claim 4, wherein said controlling the ventilation state of each of the through holes in the covered area according to the opening ratio further comprises:
and if the opening ratio is out of the preset ratio range, sending reminding information, wherein the reminding information is used for reminding a user to adjust the position of the printing medium.
6. The printing medium adsorption method according to any one of claims 1 to 5, wherein said controlling a ventilation state of each of said through holes in said covered area by said adjusting means further comprises:
determining the adsorption force of the printing medium according to the information of the printing medium;
and controlling the through holes in the coverage area to adsorb the printing medium based on the adsorption force.
7. A printing method applied to a printer including a group of nozzles, the method comprising:
adsorbing a print medium according to the method of any of claims 1-6;
acquiring printing data of a target pattern to be printed on the printing medium;
determining a position of the printing medium;
and controlling the nozzle group to print the target pattern on the printing medium according to the position and the printing data.
8. The printing method according to claim 7, wherein said controlling the head group to print the target pattern on the printing medium according to the position and the print data comprises:
if the position deflects, correcting the printing data according to the position;
and controlling the nozzle group to print the target pattern on the printing medium according to the corrected printing data.
9. A printer, characterized in that the printer comprises:
the printing platform mechanism is provided with a through hole used for adsorbing a printing medium and comprises a plurality of adjusting devices used for controlling the ventilation state of each through hole and the vacuum generating device;
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of claims 1-7.
10. The printer according to claim 9, further comprising:
and the image acquisition device is arranged on one side of the printing platform mechanism, which is used for placing the printing medium.
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Cited By (1)
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