CN111231511B - Method and device for improving splicing precision of printing heads, storage medium and terminal equipment - Google Patents
Method and device for improving splicing precision of printing heads, storage medium and terminal equipment Download PDFInfo
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- CN111231511B CN111231511B CN202010013221.8A CN202010013221A CN111231511B CN 111231511 B CN111231511 B CN 111231511B CN 202010013221 A CN202010013221 A CN 202010013221A CN 111231511 B CN111231511 B CN 111231511B
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- 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
- 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
- B41J11/008—Controlling printhead for accurately positioning print image on printing material, e.g. with the intention to control the width of margins
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- Ink Jet (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Abstract
The invention discloses a method and a device for improving splicing precision of a printing head, a storage medium and terminal equipment, wherein the printing head comprises a plurality of jet printing units and comprises the following steps: s1: determining the position of each jet printing unit of the printing head; s2: establishing a coordinate system, and coordinating each jet printing unit in the established coordinate system; s3: and controlling and adjusting the overlapped jet printing units. The invention solves the technical problems of difficult adjustment mode, high requirement on experience, high dependence degree on equipment, trouble in secondary adjustment in the later period and the like in the traditional printing head adjustment mode, and has the advantages of simple installation and high precision.
Description
Technical Field
The invention relates to the technical field of printing, in particular to a method and a device for improving splicing precision of printing heads, a storage medium and terminal equipment.
Technical Field
In the prior art, when a plurality of jet printing units are combined to perform jet printing work, the problem of matching of the units is solved, and the conventional operation mode is to process the fixation of the jet printing units on a complete machine frame in a finish machining mode. Generally, a certain machining adjusting position is reserved for the adjustment of an installer in order to get in tolerance.
When the installer adjusts, calibration needs to be carried out according to experience and using relevant equipment. After the factory adjustment is completed, in the using process of a user, mechanical deformation is caused by temperature change, or displacement is caused by transportation, impact and the like, so that the precision may be deteriorated, and professional technicians are required to use professional equipment and knowledge to perform adjustment again.
In conclusion, the method has the advantages of high adjusting difficulty, high requirements on experience, high dependence degree on equipment and more trouble in secondary adjustment at the later stage.
Disclosure of Invention
The invention aims to provide a method, a device, a storage medium and terminal equipment for improving the splicing precision of printing heads, and aims to solve the technical problems that the traditional printing head adjusting mode in the prior art is difficult to adjust, has high requirements on experience, has high dependence on equipment, is troublesome in later-stage secondary adjustment and the like.
In order to achieve the purpose, the invention provides the following technical scheme:
a method of improving the accuracy of the splicing of a printhead comprising a plurality of jet printing units, comprising the steps of:
s1: determining the position of each jet printing unit of the printing head;
s2: establishing a coordinate system, and coordinating each jet printing unit in the established coordinate system;
s3: and controlling and adjusting the overlapped jet printing units.
Alternatively or preferably, the determining of the position of the individual jet printing units of the print head is carried out by first determining the position of the print head using digital measurements.
Optionally or preferably, the coordinate system is a rectangular plane coordinate system xoy, and each of the inkjet printing units is coordinated in the established coordinate system as: two different points A, B are taken on the jet printing unit and the coordinates of the two points are recorded separately.
Optionally or preferably, the controlling and adjusting of the overlapped inkjet printing units includes: and digitally controlling and adjusting the overlapped parts of the plurality of jet printing units to enable the overlapped parts to be 0.
Improve device of printing head concatenation precision, its characterized in that includes:
a position determining unit for determining the position of each jet printing unit of the printing head;
the position coordination unit coordinates each jet printing unit in the established coordinate system;
and the control and adjustment unit is used for controlling and adjusting the overlapped jet printing units.
Alternatively or preferably, the position determination unit determines the position of the individual printing units of the printing head by means of digital measurements.
Optionally or preferably, the coordinate system is a rectangular plane coordinate system xoy, and the position coordinating unit realizes the coordinating of the jet printing unit by taking two different points A, B on the jet printing unit and recording the positions of the two points in the coordinate system.
Optionally or preferably, the control and adjustment unit performs digital adjustment and control on the overlapped part of the plurality of jet printing units to make the overlapped part 0, so as to realize digital control and adjustment of the jet printing units.
Optionally or preferably, the terminal device includes:
one or more processors;
storage means for storing one or more programs;
the one or more programs, when executed by the one or more processors, cause the one or more processors to implement the method of improving printhead stitching accuracy implemented as recited in any one of claims 1-5.
Alternatively or preferably, the instructions when executed by the processor implement a method of improving printhead stitching accuracy as claimed in any one of claims 1 to 5.
Based on the technical scheme, the embodiment of the invention can at least produce the following technical effects:
when the mounting groove of the jet printing unit is processed, the mounting groove can be directly processed into the mounting groove, so that the mounting is not required to be adjusted in the XY direction when an installer assembles, and the mounting is extremely simple; when an installer debugs the matching of the jet printing units, the superposition data of jet printing tracks among the jet printing units can be directly adjusted from the control software, so that the superposition part is 0; in the transportation or use process, because there is no (or very small) tolerance between the mounting groove and the jet printing unit, the precision and consistency of long-term use are better than those of the product when leaving the factory; even if the matching between the jet printing units becomes worse due to the deformation caused by temperature change or other reasons, the user can also simply modify the parameters of the control software to adjust the overlapped track part (which may be positive or negative) between the jet printing units, so that the jet printing equipment can obtain the precision when leaving the factory again.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of the steps of the present invention;
FIG. 2 is a schematic diagram of the arrangement of the paper and part of the jet printing unit in the invention.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2:
a method of improving the accuracy of the splicing of a printhead comprising a plurality of jet printing units, said jet printing units comprising a plurality of microcells, comprising the steps of:
s1: determining the position of each jet printing unit of the printing head;
s2: establishing a coordinate system, and coordinating each jet printing unit in the established coordinate system;
s3: and controlling and adjusting the overlapped jet printing units.
As an alternative, the determination of the position of the individual print units of the print head is carried out by first determining the position of the print head using digital measurements.
As an optional embodiment, the coordinate system is a rectangular plane coordinate system xoy, and each inkjet printing unit is coordinated in the established coordinate system as: two different points A, B are taken on the jet printing unit and the coordinates of the two points are recorded separately.
As an optional embodiment, the controlling and adjusting the overlapped inkjet printing units includes: and digitally controlling and adjusting the overlapped parts of the plurality of jet printing units to enable the overlapped parts to be 0.
Improve device of printing head concatenation precision, its characterized in that includes:
a position determining unit for determining the position of each jet printing unit of the printing head;
the position coordination unit coordinates each jet printing unit in the established coordinate system;
and the control and adjustment unit is used for controlling and adjusting the overlapped jet printing units.
As an alternative embodiment, the position determination unit determines the position of each jet printing unit of the print head by means of digital measurement.
As an optional implementation manner, the coordinate system is a rectangular plane coordinate system xoy, then the mounted inkjet printing unit is subjected to inkjet printing of a first calibration pattern, and the number of the inkjet printing units to be adjusted in the X or Y direction is determined according to different positions of the inkjet printing unit on the calibration pattern. The position coordinating unit realizes the coordination of the jet printing unit by taking two different points A, B on the jet printing unit and recording the positions of the two points in a coordinate system. When the plurality of jet printing units of the printing head are installed, the installation is carried out according to a machined installation groove, and the installation groove is not reserved with debugging tolerance, so after the installation, patterns sprayed among the plurality of units are determined to have an overlapped part (or need to be adjusted to be overlapped), wherein the overlapped part is magnified and is seen as the overlapped part of each micro unit in the X or Y direction of the xoy coordinate system, and the overlapped part in the X direction is shown in the figure 2, the table 1 and the table 2, for example, the jet printing units X2 and X3 are intercepted, and is magnified and seen as a single control micro unit (the upper part is X2, the lower part is X3, and the number is the micro unit number for controlling whether to be displayed or not). The coordinate of each jet printing unit and the dot taking are established here for the convenience of determining the position of the jet printing unit and the overlapped microcell part of each jet printing unit.
As an optional embodiment, the control and adjustment unit performs digital adjustment and control on the overlapped part of the plurality of jet printing units to make the overlapped part 0, so as to realize digital control and adjustment of the jet printing units. During the specific adjustment, the jet printing unit is fixed and is driven by the conveying roller to move, or the paper is fixed and is driven by the trolley to move back and forth perpendicular to the paper feeding direction.
As an optional implementation, the terminal device includes:
one or more processors;
storage means for storing one or more programs;
the one or more programs, when executed by the one or more processors, cause the one or more processors to implement the method of improving printhead stitching accuracy implemented as recited in any one of claims 1-5.
As an alternative embodiment, the instructions when executed by the processor implement a method of implementing the method of improving printhead stitching accuracy as claimed in any one of claims 1 to 5.
The specific adjustment process is as follows:
adjustment mode 1:
the number of the jet printing units in the paper in the figure 2 is only 3, and the number of the jet printing units in practical application can be more. The outlet direction of the jet printing unit is vertical to the cloth moving direction, and in the mode, the jet printing unit is fixed, and only paper can move in the vertical direction. As shown in table 1 below:
s41: for the superposition in the X direction, taking the cutting jet printing units X2 and X3 as an example, the superposition is magnified to a single control micro unit (the upper surface is X2, the lower surface is X3, and the number is the micro unit serial number for controlling whether to display or not):
TABLE 1
As seen from table 1, when 2 microcells of X2 and X3 are duplicated, it is only necessary to control the last 2 microcells (255 and 256) of X2 or the first two microcells (1 and 2) of X3 to be absent by controlling the storage device to be indirect by the terminal device, and to sequentially shift the other data by 2 microcell units to achieve disappearance of the image overlap and continuation of the remaining image.
S42: for the coincidence in the Y direction, the data of X2 can be sent to it in advance by the terminal device controlling the storage device indirectly according to the delay of the drawing time, i.e. the data can coincide with the previous patterns of X1 and X3.
The adjusting mode 2 is as follows:
in this manner, the inkjet printing unit reciprocates perpendicularly to the paper feeding direction, and prints a pattern onto the paper once during the movement, as shown in table 2 below:
s41: for the superposition in the X direction, if the moving trolley moves towards the left, the pattern of the X2 comes before the pattern of the X1, at this time, the number of the patterns can be sent to the X2 before a period of time, the data of the X1 is sent out in a delayed mode, and the patterns of the X1 and the X2 can be superposed
S42: for the coincidence of the Y direction, taking the X2 and X1 as an example, and enlarging to a single control micro-cell to see (X2 on the left, X1 on the right, the number is the micro-cell number for controlling whether to display):
TABLE 2
As seen from table 2, 3 microcells of X2 and X1 are duplicated, and in this case, the disappearance of image overlap and the continuation of the remaining images can be achieved by controlling the last 3 microcells (254, 255 and 256) of X2 or the first 3 microcells (1, 2 and 3) of X1 to be absent only by controlling the storage device to be switched by the terminal device, and sequentially shifting the other data by 3 microcell units.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention, and all such changes or substitutions are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (8)
1. A method for improving the splicing accuracy of a printing head, wherein the printing head comprises a plurality of jet printing units, and is characterized in that: the method comprises the following steps:
s1: determining the position of each jet printing unit of the printing head;
s2: establishing a coordinate system, and coordinating each jet printing unit in the established coordinate system;
s3: controlling and adjusting the overlapped jet printing units;
the control and adjustment of the overlapped jet printing units comprises the following steps: digitally adjusting the overlapped parts of the plurality of jet printing units to enable the overlapped parts to be 0, wherein the jet printing units are fixed during specific adjustment, and the conveying roller drives the paper to move, or the paper is fixed, and the trolley drives the jet printing units to reciprocate perpendicular to the paper feeding direction; the control adjustment comprises the following two specific adjustment modes:
(1) adjustment mode 1: to arbitrary two spout seal unit directions of being qualified for the next round of competitions with the paper feed direction is perpendicular, under this mode, spout that the seal unit is fixed, only the paper can be done the motion of vertical direction:
for superposition of the X direction of the jet printing units, amplifying the two jet printing units to a single control micro unit, and controlling the last T1 micro units of the first jet printing unit to be not discharged or the first T1 micro units of the second jet printing unit to be not discharged and sequentially moving the data of the second jet printing unit by the T1 micro units according to the obtained number T1 of the repeat micro units;
for the superposition of the jet printing units in the Y direction, the data of the first jet printing unit is sent in advance for a period of time indirectly by controlling a storage device through terminal equipment according to the delay of the drawing time, and the data can be superposed with the patterns of the jet printing units in front of and behind the first jet printing unit;
(2) adjustment mode 2: to arbitrary two spout seal unit direction of being qualified for the next round of competitions with the paper feed direction is perpendicular, under this mode, spout seal unit can be perpendicular to the paper feed direction and do the reciprocating motion to spout the seal with the pattern when the motion on paper:
for the superposition of the X directions of the jet printing units, when the moving trolley moves to the left, the pattern of the first jet printing unit comes out before the second jet printing unit, the number of the pattern is sent to the second jet printing unit before a period of time, and the data of the first jet printing unit is sent out in a delayed manner, so that the patterns of the first jet printing unit and the second jet printing unit can be superposed;
and for superposition of the Y directions of the jet printing units, amplifying the two jet printing units to a single control micro unit, and controlling the last T2 micro units of the second jet printing unit to be not discharged or the first T2 micro units of the first jet printing unit to be not discharged and sequentially moving the data of the first jet printing unit by the T2 micro units according to the acquired number T2 of the repeat micro units.
2. The method of improving printhead stitching accuracy of claim 1, wherein: the position of each jet printing unit of the printing head is determined by firstly using digital measurement.
3. The method of improving printhead stitching accuracy of claim 1, wherein: the coordinate system is a plane rectangular coordinate system xoy, and each jet printing unit is coordinated into: two different points A, B are taken on the jet printing unit and the coordinates of the two points are recorded separately.
4. Improve device of printing head concatenation precision, its characterized in that includes:
a position determining unit for determining the position of each jet printing unit of the printing head;
the position coordination unit coordinates each jet printing unit in the established coordinate system;
the control adjustment unit is used for controlling and adjusting the overlapped jet printing units;
the control adjusting unit digitally adjusts and controls the overlapped parts of the plurality of jet printing units to enable the overlapped parts to be 0, the jet printing units are fixed during specific adjustment, the conveying roller drives the paper to move, or the paper is fixed, and the trolley drives the jet printing units to reciprocate perpendicular to the paper feeding direction; the control adjustment comprises the following two specific adjustment modes:
(1) adjustment mode 1: to arbitrary two spout seal unit directions of being qualified for the next round of competitions with the paper feed direction is perpendicular, under this mode, spout that the seal unit is fixed, only the paper can be done the motion of vertical direction:
for superposition of the X direction of the jet printing units, amplifying the two jet printing units to a single control micro unit, and controlling the last T1 micro units of the first jet printing unit to be not discharged or the first T1 micro units of the second jet printing unit to be not discharged and sequentially moving the data of the second jet printing unit by the T1 micro units according to the obtained number T1 of the repeat micro units;
for the superposition of the jet printing units in the Y direction, the data of the first jet printing unit is sent in advance for a period of time indirectly by controlling a storage device through terminal equipment according to the delay of the drawing time, and the data can be superposed with the patterns of the jet printing units in front of and behind the first jet printing unit;
(2) adjustment mode 2: to arbitrary two spout seal unit direction of being qualified for the next round of competitions with the paper feed direction is perpendicular, under this mode, spout seal unit can be perpendicular to the paper feed direction and do the reciprocating motion to spout the seal with the pattern when the motion on paper:
for the superposition of the X directions of the jet printing units, when the moving trolley moves to the left, the pattern of the first jet printing unit comes out before the second jet printing unit, the number of the pattern is sent to the second jet printing unit before a period of time, and the data of the first jet printing unit is sent out in a delayed manner, so that the patterns of the first jet printing unit and the second jet printing unit can be superposed;
and for superposition of the Y directions of the jet printing units, amplifying the two jet printing units to a single control micro unit, and controlling the last T2 micro units of the second jet printing unit to be not discharged or the first T2 micro units of the first jet printing unit to be not discharged and sequentially moving the data of the first jet printing unit by the T2 micro units according to the acquired number T2 of the repeat micro units.
5. The apparatus for improving the splicing accuracy of a print head of claim 4, wherein: the position determining unit determines the position of each jet printing unit of the printing head in a digital measuring mode.
6. The apparatus for improving the splicing accuracy of a print head of claim 4, wherein: the coordinate system is a plane rectangular coordinate system xoy, and the position coordinating unit realizes the coordination of the jet printing unit by taking two different points A, B on the jet printing unit and recording the positions of the two points in the coordinate system.
7. Realize improving terminal equipment of print head concatenation precision, its characterized in that, terminal equipment includes:
one or more processors;
storage means for storing one or more programs;
the one or more programs, when executed by the one or more processors, cause the one or more processors to implement the method of improving printhead stitching accuracy as recited in any one of claims 1-3.
8. Computer readable storage medium having stored thereon instructions, characterized in that the instructions, when executed by a processor, implement a method for improving printhead stitching accuracy as claimed in any one of claims 1 to 3.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010013221.8A CN111231511B (en) | 2020-01-06 | 2020-01-06 | Method and device for improving splicing precision of printing heads, storage medium and terminal equipment |
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| CN202010013221.8A CN111231511B (en) | 2020-01-06 | 2020-01-06 | Method and device for improving splicing precision of printing heads, storage medium and terminal equipment |
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| CN111231511B true CN111231511B (en) | 2021-06-08 |
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| CN111791608B (en) * | 2020-09-10 | 2021-02-26 | 季华实验室 | Error adjusting method for seamless splicing of ink-jet printing head |
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| US6578950B2 (en) * | 2000-08-28 | 2003-06-17 | Fuji Photo Film Co., Ltd. | Line head and image recording method |
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| CN101797843A (en) * | 2010-02-11 | 2010-08-11 | 童舟 | Method for processing overlapped positioning error of splicing spray heads |
| CN102463744A (en) * | 2010-11-16 | 2012-05-23 | 北大方正集团有限公司 | Single-pass inkjet digital printing machine and data processing method thereof |
| CN104553328A (en) * | 2013-10-18 | 2015-04-29 | 北大方正集团有限公司 | Method and device for eliminating white marks in spray head assembly positions |
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