CN212098020U - Print head driving device and thermal printer - Google Patents
Print head driving device and thermal printer Download PDFInfo
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- CN212098020U CN212098020U CN202020743067.5U CN202020743067U CN212098020U CN 212098020 U CN212098020 U CN 212098020U CN 202020743067 U CN202020743067 U CN 202020743067U CN 212098020 U CN212098020 U CN 212098020U
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Abstract
The utility model discloses a print head driving device and a thermal printer, relating to the technical field of printers, wherein the print head driving device comprises a first connecting arm, a second connecting arm, a first driving piece and a second driving piece; the first connecting arm is hinged to a sliding block of the printer and swings up and down through the first driving piece; the second connecting arm is hinged to the first connecting arm and swings up and down through the second driving piece, and the printing head is fixedly arranged on the second connecting arm. The utility model discloses according to the working characteristic who beats printer head, designed the printer head drive arrangement that beats that has two-stage actuating mechanism, every grade of actuating mechanism all sets independent driving piece, can control accurately from this and beat printer head and make a round trip to switch between the not co-altitude position, help improving the stability and the reliability of beating printer head to have advantages such as structural optimization, easy operation, the control degree of difficulty are low and the control cost is low.
Description
Technical Field
The utility model relates to a printer technical field, in particular to beat printer head drive arrangement and thermal printer.
Background
The printing principle of the thermal printer is that a printing head is driven by a computer signal to transfer heat to a carbon powder coating of an ink ribbon, so that the carbon powder coating is thermally melted and transferred to a printing medium, thereby forming characters or patterns. In order to ensure the printing quality and reduce the wear of the print head, the print head needs to stay at different heights under different working conditions, for example: when the printer is in a shutdown reset state, the printing head needs to be at the highest position (initial position) to ensure the printing head to be separated from the color band, so that the color band is convenient to replace; when the printer is in a waiting printing state, the printing head is pressed down to a position contacting with the surface of the ink ribbon, so that the distance between the printing head and the printing medium is shortened; when the printer is in a printing state, the printing head is pressed down to the lowest position, so that the ink ribbon is pressed to a printing medium with proper pressure, and meanwhile, the printing head is controlled to heat, so that the carbon powder coating at the heating position of the ink ribbon is transferred to the printing medium, and a printing pattern is formed; after printing is finished, the printing head rises to a waiting printing position to wait for next printing.
Therefore, the driving device for driving the printing head to move up and down is an essential component of the printing head. Most of the existing driving devices for the printing head adopt a motor driving mode or a sliding table driving mode, and most of the driving modes have the problems of complex structure, high control difficulty, high control cost, insufficient control precision and the like, and have certain disadvantages.
Therefore, the printing head driving device and the thermal printer are optimized in structure and capable of accurately controlling the lifting action of the printing head.
Disclosure of Invention
The utility model provides a beat printer head drive arrangement and thermal printer, its main aim at solves above-mentioned problem.
The utility model adopts the following technical scheme:
a print head driving device comprises a first connecting arm, a second connecting arm, a first driving piece and a second driving piece; the first connecting arm is hinged to a sliding block of the printer and swings up and down through the first driving piece; the second connecting arm is hinged to the first connecting arm and swings up and down through the second driving piece, and the printing head is fixedly arranged on the second connecting arm.
Further, the fixed end of the first connecting arm is hinged to a sliding block of the printer; one end of the second connecting arm is hinged to the fixed end, and the other end of the second connecting arm is fixedly provided with the printing head.
Further, the first driving member is a first cylinder, a cylinder body of the first cylinder is fixedly arranged on the sliding block of the printer, and a piston rod of the first cylinder is hinged to the first connecting arm.
Further, the second driving part is a second cylinder, a cylinder body of the second cylinder is fixedly arranged on the first connecting arm, and a piston rod of the second cylinder is hinged to the second connecting arm.
Further, the first driving piece and/or the second driving piece are/is an electric telescopic rod.
A thermal printer comprises a frame, a slide block, an ink ribbon, a printing head and the printing head driving device; the sliding block is arranged on the rack in a manner of sliding left and right through a sliding mechanism; the printing head is arranged on the sliding block in a way of swinging up and down through the printing head driving device; the ribbon is arranged on the frame through a plurality of ribbon spools and is positioned between the printing head and the printing medium.
Further, the printing head is switched back and forth between the initial position and the first height position through the first driving piece, so that the printing head is contacted with or separated from the ink ribbon, and the printing head is switched back and forth between the first height position and the second height position through the second driving piece, so that the ink ribbon is contacted with or separated from the printing medium.
Compared with the prior art, the utility model discloses the beneficial effect who produces lies in:
1. the utility model discloses according to the working characteristic who beats printer head, designed the printer head drive arrangement that beats that has two-stage actuating mechanism, every grade of actuating mechanism all sets independent driving piece, can control accurately from this and beat printer head and make a round trip to switch between the not co-altitude position, help improving the stability and the reliability of beating printer head to have advantages such as structural optimization, easy operation, the control degree of difficulty are low and the control cost is low.
2. The utility model discloses a beat printer head drive arrangement and adopt two cylinders to add the mode that promotes to realize beating printer head the switching between the not co-altitude position breakthroughly to each cylinder can the autonomous working, and mutual noninterference is favorable to improving control accuracy, effectively ensures to beat printer head's printing performance and printing quality.
Drawings
Fig. 1 is a schematic structural diagram of the printer in a reset state according to the present invention.
Fig. 2 is a schematic structural diagram of the printer in a waiting printing state.
Fig. 3 is a schematic structural diagram of the printer in the printing state according to the present invention.
In the figure: 1. a frame; 2. a slider; 21. a sliding mechanism; 3. a color band; 31. a ribbon reel; 31. a color band pinch roller; 4. a print head; 5. a print head driving device; 51. a first connecting arm; 52. a second connecting arm; 53. a first driving member; 54. a second driving member; a. a print medium.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings. Numerous details are set forth in the following description in order to provide a thorough understanding of the present invention, but it will be apparent to one skilled in the art that the present invention may be practiced without these details.
Referring to fig. 1, 2 and 3, a thermal printer includes a frame 1, a slider 2, an ink ribbon 3, a print head 4 and a print head driving device 5, wherein the slider 2 is slidably disposed on the frame 1 through a sliding mechanism 21, and the print head 4 is disposed on the slider 2 through the print head driving device 5 in a manner of being capable of swinging up and down; the ink ribbon 3 is arranged in the frame 1 by means of a number of ribbon spools 31 between the print head 4 and the print medium a.
Referring to fig. 1, 2 and 3, specifically, the print head driving device 5 includes a first connecting arm 51, a second connecting arm 52, a first driving member 53 and a second driving member 54; the first connecting arm 51 is hinged to the sliding block 2 and swings up and down through a first driving piece 53; the second connecting arm 52 is hinged to the first connecting arm 51 and swings up and down by the second driving member 54, and the print head 4 is fixed to the second connecting arm 52. The utility model discloses according to the working characteristic who beats printer head 4, designed two-stage actuating mechanism, every grade of actuating mechanism all sets independent driving piece, can control from this accurately and beat printer head and make a round trip to switch between the not co-altitude position, help improving the stability and the reliability of beating printer head to have advantages such as structural optimization, easy operation, the control degree of difficulty are low and the control cost is low.
Referring to fig. 1, 2 and 3, more specifically, the fixed end of the first link arm 51 is hinged to the slider 2 of the printer; one end of the second link arm 52 is hinged to the fixed end of the first link arm 51, and the other end of the second link arm 52 is fixedly provided with the print head 4. The space of the print head driving device 5 can be optimized sufficiently by designing in this way, so that the structure between the first connecting arm 51 and the second connecting arm 52 is more stable and the layout is more compact.
Referring to fig. 1, 2 and 3, as a preferred solution: the first driving member 53 is a first cylinder, and a cylinder body of the first cylinder is fixedly arranged on the sliding block 2; the piston rod of the first cylinder is hinged to the first connecting arm 51; the second driving member 54 is a second cylinder, the cylinder body of the second cylinder is fixedly disposed on the first connecting arm 51, and the piston rod of the first cylinder is hinged to the second connecting arm 52. When the first air cylinder acts, the first connecting arm 51 can be pushed to swing up and down, so that the second connecting arm 52 is pushed to swing up and down, the printing head 4 is switched back and forth between the initial position and the first height position, and the printing head 4 is finally contacted with or separated from the ink ribbon 3; when the second cylinder acts, the second connecting arm 52 can be pushed to swing up and down, so that the printing head 4 is switched back and forth between the first height position and the second height position, and finally the contact or separation 4 of the ink ribbon 3 and the printing medium a is realized. It should be noted that the structure of the first driving member 53 and the second driving member 54 in the present invention is not limited to this, and other driving components such as an electric telescopic rod capable of driving the first connecting arm 51 and the second connecting arm 52 to swing up and down may be used. The utility model discloses breakthroughly adopt two cylinders to superpose the mode that promotes and realize beating printer head switching between the not co-altitude position to each cylinder can the autonomous working, and mutual noninterference is favorable to improving control accuracy, effectively ensures to beat printer head's printing performance and printing quality.
With reference to fig. 1, 2 and 3, the following describes a specific operation of the present invention:
(1) when the printer is in a shutdown reset state, the piston rods of the first cylinder and the second cylinder are completely retracted, the first connecting arm 51 is retracted on the slider 2, the second connecting arm 52 is retracted on the first connecting arm 51, the printing head 4 is in an initial position, and the ribbon 3 is not in contact with the printing head 4 or the ribbon pinch roller 32.
(2) When the printer is in a print waiting state, the piston rod of the first cylinder extends out to jack up the first connecting arm 51, and further, the print head 4 is pressed down to the first height position through the second connecting arm 52, so that the print head 4 is in contact with the surface of the ink ribbon 3, and the ink ribbon 3 is ensured not to be in contact with the printing medium a.
(3) When the printer is in a printing state, the piston rod of the second cylinder extends out to jack up the second connecting arm 52, so that the printing head 4 is pressed down from the first height position to the second height position, and the ink ribbon 3 is in contact with the surface of the printing medium a; meanwhile, the printing head 4 is controlled to heat, so that the carbon powder coating at the heating position of the color ribbon 3 is transferred to the printing medium a, and a printing pattern is formed; the second cylinder is retracted after the printing is completed, so that the print head 4 is raised to the second height position of the waiting print state to wait for the next printing, thereby circulating.
The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.
Claims (7)
1. A printhead driving apparatus, characterized in that: the device comprises a first connecting arm, a second connecting arm, a first driving piece and a second driving piece; the first connecting arm is hinged to a sliding block of the printer and swings up and down through the first driving piece; the second connecting arm is hinged to the first connecting arm and swings up and down through the second driving piece, and the printing head is fixedly arranged on the second connecting arm.
2. A printhead drive apparatus according to claim 1, wherein: the fixed end of the first connecting arm is hinged to a sliding block of the printer; one end of the second connecting arm is hinged to the fixed end, and the other end of the second connecting arm is fixedly provided with the printing head.
3. A printhead drive apparatus according to claim 1, wherein: the first driving piece is a first air cylinder, a cylinder body of the first air cylinder is fixedly arranged on a sliding block of the printer, and a piston rod of the first air cylinder is hinged to the first connecting arm.
4. A printhead drive apparatus according to claim 1, wherein: the second driving piece is a second air cylinder, a cylinder body of the second air cylinder is fixedly arranged on the first connecting arm, and a piston rod of the second air cylinder is hinged to the second connecting arm.
5. A printhead drive apparatus according to claim 1, wherein: the first driving piece and/or the second driving piece are/is an electric telescopic rod.
6. A thermal printer, characterized by: comprising a frame, a slide, a ribbon, a printhead and a printhead drive as claimed in any one of claims 1 to 5; the sliding block is arranged on the rack in a manner of sliding left and right through a sliding mechanism; the printing head is arranged on the sliding block in a manner of swinging up and down through the printing head driving device; the ribbon is arranged on the frame through a plurality of ribbon spools and is positioned between the printing head and the printing medium.
7. A thermal printer as claimed in claim 6, wherein: the printing head is switched back and forth between the initial position and the first height position through the first driving piece, so that the printing head is contacted with or separated from the ink ribbon, and the printing head is switched back and forth between the first height position and the second height position through the second driving piece, so that the ink ribbon is contacted with or separated from the printing medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020743067.5U CN212098020U (en) | 2020-05-08 | 2020-05-08 | Print head driving device and thermal printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020743067.5U CN212098020U (en) | 2020-05-08 | 2020-05-08 | Print head driving device and thermal printer |
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| Publication Number | Publication Date |
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| CN212098020U true CN212098020U (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020743067.5U Active CN212098020U (en) | 2020-05-08 | 2020-05-08 | Print head driving device and thermal printer |
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| CN (1) | CN212098020U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111332026A (en) * | 2020-05-08 | 2020-06-26 | 厦门墨逦标识科技有限公司 | Print head driving device and thermal printer |
-
2020
- 2020-05-08 CN CN202020743067.5U patent/CN212098020U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111332026A (en) * | 2020-05-08 | 2020-06-26 | 厦门墨逦标识科技有限公司 | Print head driving device and thermal printer |
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Address after: Room 408a, Hongye Building, Pioneer Park, torch hi tech Zone, Xiamen, Fujian, 361000 Patentee after: Kuanma Technology (Xiamen) Co.,Ltd. Address before: Room 408a, Hongye Building, Pioneer Park, torch hi tech Zone, Xiamen, Fujian, 361000 Patentee before: Xiamen Mohu logo Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230407 Address after: Room 311, No. 5, Minxing Street, Huangpu District, Guangzhou, Guangdong, 510700, self-made B Patentee after: Guangzhou Panmai Photoelectric Instrument Co.,Ltd. Address before: Room 408a, Hongye Building, Pioneer Park, torch hi tech Zone, Xiamen, Fujian, 361000 Patentee before: Kuanma Technology (Xiamen) Co.,Ltd. |