CN110154557B - Printing control method of thermal transfer printer and thermal transfer printer - Google Patents

Printing control method of thermal transfer printer and thermal transfer printer Download PDF

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Publication number
CN110154557B
CN110154557B CN201910355199.2A CN201910355199A CN110154557B CN 110154557 B CN110154557 B CN 110154557B CN 201910355199 A CN201910355199 A CN 201910355199A CN 110154557 B CN110154557 B CN 110154557B
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Prior art keywords
printing
print
medium
thermal transfer
transfer printer
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CN201910355199.2A
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CN110154557A (en
Inventor
乔明发
李留祥
唐国初
倪继超
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Hunan Dingyi Zhiyuan Technology Development Co Ltd
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Hunan Dingyi Zhiyuan Technology Development Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/315Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/38Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
    • B41J29/393Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns

Abstract

The invention provides a printing control method of a thermal transfer printer and the thermal transfer printer, the thermal transfer printer comprises a conveying device for conveying a printing medium, a printing head for printing the printing medium and a control device for controlling the printing head to print, wherein the printing head prints by thermally transferring ink on an ink ribbon onto the printing medium, the printing control method comprises the following steps: the printing head performs printing on the printing medium according to the current printing content; when the printing medium moves a predetermined distance, the printing head performs printing again on the printing medium according to the current printing content; the printing head repeats the above steps for the next printing content in sequence. In the invention, the ink on the ribbon is thermally transferred to the printing medium by the printing head, and the printing medium is moved for a preset distance and repeatedly printed in the printing process, so that the blank area between each row of dot matrixes of the printing content on the printing medium is reduced, the precision of the printing content is improved, and the quality of the printed product is improved.

Description

Printing control method of thermal transfer printer and thermal transfer printer
Technical Field
The present invention generally relates to the field of thermal transfer printing technologies, and more particularly, to a printing control method for a thermal transfer printer and a thermal transfer printer.
Background
Thermal transfer printers are widely used in various industries because of their advantages such as high printing speed and long storage time. A conventional thermal transfer printer performs printing by thermally transferring ink on an ink ribbon to a printing medium by a print head. However, the print head of these thermal transfer printers heats the ink on the ribbon through the dot-matrix heating dots, and when the ink on the ribbon is transferred onto the printing medium, the ink is also in the dot-matrix form, and a large amount of blank areas exist between each dot, which results in low precision of the printed product and poor printing quality.
Therefore, it is desirable to provide a printing control method of a thermal transfer printer and a thermal transfer printer, so as to at least partially solve the above problems.
Disclosure of Invention
In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, the present invention provides a print control method of a thermal transfer printer including a conveyance device for conveying a printing medium, a print head for printing on the printing medium, and a control device for controlling the print head to print, wherein the print head prints by thermally transferring ink on an ink ribbon onto the printing medium,
the print control method includes the steps of:
the printing head performs printing on the printing medium according to the current printing content;
when the printing medium moves a preset distance, the printing head performs printing on the printing medium again according to the current printing content;
the printing head repeats the steps for the next printing content in sequence.
Optionally, before the print head performs printing on the print medium according to the current print content, the method further includes:
acquiring the resolution of the current printing content;
and determining the distance between adjacent pixel points of the printing content printed on the printing medium according to the resolution.
Optionally, the predetermined distance is half of the pitch.
Optionally, the method further includes, before obtaining the resolution of the current print content:
the processor acquires, stores and processes the print content.
Optionally, the ribbon is moved at the same speed as the print medium during the printing.
Optionally, the transport device controls the print medium to move in a horizontal direction, and the control device controls the print head to move in a vertical direction.
Optionally, the conveying device applies a continuous tension to the printing medium during printing of the printing medium to prevent the printing medium from being wrinkled.
Optionally, the color of the ribbon set in the print control method includes at least one of black, blue, red, and yellow.
Optionally, the printing medium comprises at least one of paper, metal, leather, cloth, and plastic material.
According to another aspect of the present invention, there is also provided a thermal transfer printer controlled by the method described above.
According to the printing control method of the thermal transfer printer, the preset distance is set according to the printing requirement, in the printing process, after the printing of the printing head according to the current printing content is finished, the printing medium is moved by the preset distance, the printing is executed again on the printing medium according to the current printing content, and then the steps are repeated on the next printing content until the printing is finished. In the invention, the ink on the ribbon is thermally transferred to the printing medium by the printing head, and the printing medium is moved for a preset distance and repeatedly printed in the printing process, so that blank areas among each row of dot matrixes of the printing content on the printing medium are greatly reduced, the precision of the printing content is improved, and the quality of a printed product is improved.
Drawings
The following drawings of embodiments of the invention are included as part of the present invention for an understanding of the invention. The drawings illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.
In the drawings, there is shown in the drawings,
FIG. 1 is a schematic flow chart diagram illustrating one embodiment of a print control method for a thermal transfer printer according to the present invention; and
fig. 2 is a schematic flow chart of a printing control method of a thermal transfer printer according to another embodiment of the present invention.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that embodiments of the invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in detail so as not to obscure the embodiments of the invention.
In the following description, a detailed structure will be presented for a thorough understanding of embodiments of the invention. It is apparent that the implementation of the embodiments of the present invention is not limited to the specific details familiar to those skilled in the art. The following detailed description of preferred embodiments of the invention, however, the invention is capable of other embodiments in addition to those detailed.
The thermal transfer printer of the present invention is provided with a conveying device for conveying a printing medium, a print head for printing by thermally transferring ink on an ink ribbon onto the printing medium, and a control device for controlling the print head to print. As can be understood by those skilled in the art, an array type heating substrate is disposed on the print head, a conveying device is disposed below the print head, the print head presses the ribbon and the printing medium onto the conveying device during printing, and the heating substrate of the print head heats to transfer the colored ink on the ribbon onto the printing medium, so as to achieve printing. It should be noted that the structure and arrangement of other components of the thermal transfer printer are known to those skilled in the art, and therefore, a detailed description thereof will not be given.
As shown in fig. 1, the present invention provides a printing control method in which a predetermined distance is set according to a printing requirement before printing, wherein the predetermined distance is a distance of a printing medium in a moving direction, and a transport device guides the printing medium to a printing area in a thermal transfer printer. In step S4, when the printing medium moves to a position corresponding to the printhead, the printhead performs printing on the printing medium according to the current print content, then in step S5, when the printing medium moves a predetermined distance, the printhead performs printing on the printing medium again according to the current print content, and then in step S6, the printhead sequentially repeats the above steps for the next print content, eventually ending.
According to the printing control method, the ink on the ribbon is thermally transferred to the printing medium through the printing head, and the printing medium is moved for a preset distance and repeatedly printed in the printing process, so that blank areas among each row of dot matrixes printed on the printing medium are greatly reduced, the precision of printed contents is improved, and the quality of printed products is improved.
Further, since the requirements of different printed products are different, and the printing precision is different, different predetermined distances need to be established for different products. In a further embodiment of the present invention, step S2 and step S3 are further included before step S4. In step S2, acquiring the resolution of the current print content; in step S3, the distance at which the print content is printed to the adjacent pixel point on the print medium is determined by the resolution. Specifically, according to different requirements, the resolutions required to be obtained by different products are different, and the distances between adjacent pixel points in the dot matrix on the printed product are different, so that the preset distances are also different. In this embodiment, in order to fully reduce the blank area, the preset distance is half of the distance between adjacent pixels, and at this time, the area of the blank area can be reduced to the maximum extent, so that the visibility of the blank area is reduced, errors are eliminated, and the precision of the product is improved.
It can be understood that the distance between the pixels can be set artificially, and can also be determined according to the image to be printed. Therefore, in another embodiment of the present invention, step S1 is further provided before step S2. In step S1, the print content is acquired, stored, and processed by the processor. As will be appreciated by those skilled in the art, in a conventional printing manner, an electronic version of a print file is typically provided, uploaded to a processor coupled to the printer, and further provided to the printer via the processor. However, in this embodiment, since the preset distance is controlled by the distance between adjacent pixels, and a part of the line drawing (such as a CAD drawing) has no pixel, it is necessary to manually set the pixel value, or process the line drawing into a pixel drawing by a processor so as to set the preset distance for printing. Specifically, the processor in this embodiment may set an initial pixel value in advance, and may process the line graph and a part of the pixel graph that needs to be processed into a graph of the initial pixel value, thereby implementing printing.
To further illustrate the whole printing process, as shown in fig. 2, in the schematic flow chart, the printing medium 001 moves forward (in the drawing, the printing medium moves rightward), the printing head 002 presses a color ribbon (not shown) on the printing medium 001, when the a pixel needs to be printed, the printing head 002 prints on the printing medium 001, at this time, the B pixel is an adjacent pixel to be printed behind the a pixel, and a blank area is between the a pixel and the B pixel. After the a pixel point is printed, the printing medium 001 advances by a preset distance, the preset distance is half of the distance between the a pixel point and the B pixel point, and the point a is the middle position of the a pixel point and the B pixel point. When the point a between the pixel point a and the pixel point B moves to the position corresponding to the print head 002, the print head 002 performs the second printing on the print medium 001, and at this time, the content of the printing on the point a is the same as the content of the printing on the pixel point a. Then, the print medium 001 continues to advance, and after the B pixel moves to the position corresponding to the print head 002, the print head 002 prints the next content on the print medium 001. So reciprocal printing to reduce the blank area between every pixel, and then improve the precision of printing the content, promote the quality of printing the product.
Preferably, when the print head presses the ink ribbon on the print medium for printing, the ink ribbon and the print medium move at the same speed, that is, a continuous printing mode is adopted. Adopt this kind of mode reducible reciprocating motion of beating printer head, avoid printing the in-process and produce great error in the precision, can promote the efficiency of printing moreover, and then reduce and print required time, reduce cost.
On the other hand, during printing, the transport device controls the print medium to move in the horizontal direction, and the control device controls the print head to move in the vertical direction. Due to the influence of gravity and the like in terms of force, in order to prevent the printing medium from shifting during printing and contacting other components of the thermal transfer printer, the printing medium may be arranged in a horizontal direction and printed on the upper surface of the printing medium.
Furthermore, since the upper surface of the printing medium needs to contact the print head for printing, and the print head generates heat and transfers the heat to the printing medium during printing, the printing medium may be wrinkled due to the influence of the material and the thickness thereof. In another embodiment of the present invention, the conveying device applies a constant tension to the print medium during printing to prevent the print medium from wrinkling.
In addition, in order to enable more colors to be printed during printing, a plurality of different color ink ribbons may be provided in the thermal transfer printer, wherein the color ink ribbons include at least one of black, blue, red and yellow, while a plurality of corresponding print heads are provided side by side at intervals, so that color images of a plurality of different colors can be printed on a printing medium.
Since the thermal transfer printer has a powerful function and is widely used in various industries, the printing medium may be made of various materials, and specifically, the printing material may include at least one of paper, metal, leather, cloth, and plastic material. Of course, the above is only a few examples, and there are many more printing media of different materials that can be printed by thermal transfer printers.
According to another aspect of the present invention, there is also provided a thermal transfer printer controlled by the above-described print control method.
Unless defined otherwise, 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 herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Terms such as "disposed" and the like, as used herein, may refer to one element being directly attached to another element or one element being attached to another element through intervening elements. Features described herein in one embodiment may be applied to another embodiment, either alone or in combination with other features, unless the feature is otherwise inapplicable or otherwise stated in the other embodiment.
The present invention has been described in terms of the above embodiments, but it should be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the scope of the described embodiments. It will be appreciated by those skilled in the art that many variations and modifications may be made to the teachings of the invention, which fall within the scope of the invention as claimed.

Claims (8)

1. A print control method of a thermal transfer printer, the thermal transfer printer comprising a transport device for transporting a printing medium, a print head for printing on the printing medium, and a control device for controlling the print head to print, wherein the print head prints by thermally transferring ink on an ink ribbon onto the printing medium,
the print control method includes the steps of:
the printing head prints the current printing content to the printing medium;
after the printing medium moves a preset distance, the printing head prints the current printing content to the printing medium again;
the printing head repeats the steps for the next printing content in sequence;
before the printing head performs printing on the printing medium according to the current printing content, the method further comprises the following steps:
acquiring the resolution of the current printing content;
determining the distance between adjacent pixel points of the printing content printed on the printing medium according to the resolution;
the predetermined distance is half the pitch.
2. The print control method of a thermal transfer printer according to claim 1, further comprising a processor, before acquiring the resolution of the current print content, further comprising:
the processor acquires, stores and processes the print content.
3. The print control method of a thermal transfer printer according to claim 1, wherein the ribbon and the print medium are moved at the same speed during the printing.
4. The print control method of a thermal transfer printer according to claim 1, wherein the transport device controls the print medium to move in a horizontal direction, and the control device controls the print head to move in a vertical direction.
5. The print control method of a thermal transfer printer according to claim 1, wherein the transport device applies a constant tension to the print medium during printing of the print medium to prevent the print medium from wrinkling.
6. The print control method of a thermal transfer printer according to claim 1, wherein the color of the ribbon set in the print control method includes at least one of black, blue, red, and yellow.
7. The print control method of a thermal transfer printer according to claim 1, wherein the print medium includes at least one of paper, metal, leather, cloth, and plastic material.
8. A thermal transfer printer, characterized in that it is controlled by a method according to any one of claims 1 to 7.
CN201910355199.2A 2019-04-29 2019-04-29 Printing control method of thermal transfer printer and thermal transfer printer Active CN110154557B (en)

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CN112223915B (en) * 2020-10-14 2021-06-22 湖南鼎一致远科技发展有限公司 Thermal transfer printer printing control method and system and thermal transfer printer
CN114537010B (en) * 2022-02-28 2023-05-23 得实打印机(江门)有限公司 Direct printer printing method, system, electronic equipment and computer readable storage medium

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JPH03221474A (en) * 1990-01-26 1991-09-30 Kanzaki Paper Mfg Co Ltd Dot printer
JPH0577516A (en) * 1991-09-19 1993-03-30 Nec Data Terminal Ltd Serial printer
JPH07149028A (en) * 1993-11-26 1995-06-13 Nec Corp Printing control device
JP2000255086A (en) * 1999-03-08 2000-09-19 Alps Electric Co Ltd Printer and recording method thereof
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