CN106965576B - Carbon ribbon transmission device and thermal transfer printer using same - Google Patents
Carbon ribbon transmission device and thermal transfer printer using same Download PDFInfo
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- CN106965576B CN106965576B CN201710323918.3A CN201710323918A CN106965576B CN 106965576 B CN106965576 B CN 106965576B CN 201710323918 A CN201710323918 A CN 201710323918A CN 106965576 B CN106965576 B CN 106965576B
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- carbon ribbon
- shaft
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- carbon
- rack
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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
- B41J33/00—Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material
- B41J33/14—Ribbon-feed devices or mechanisms
- B41J33/16—Ribbon-feed devices or mechanisms with drive applied to spool or spool spindle
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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
- B41J2/315—Typewriters 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
- B41J2/32—Typewriters 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 using thermal heads
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Impression-Transfer Materials And Handling Thereof (AREA)
Abstract
The invention provides a carbon ribbon transmission device and a thermal transfer printer using the same, which comprise a rack, wherein a carbon ribbon release shaft and a carbon ribbon recovery shaft are arranged on the rack, the carbon ribbon recovery shaft is driven by a power assembly, one end of the carbon ribbon release shaft and one end of the carbon ribbon recovery shaft are rotationally connected with the rack, the other end of the carbon ribbon release shaft are provided with an adjusting structure A and an adjusting structure B, the adjusting structure A comprises a right-handed screw A, a carbon ribbon gear A, a release pressure spring, a knob A, a release torsion spring, a torsion spring seat A and a left-handed screw A, the release torsion spring provides an anticlockwise tensioning force when the carbon ribbon release shaft rotates clockwise, the adjusting structure B comprises a left-handed screw B, a carbon ribbon gear B, a recovery pressure spring, a knob B, a recovery torsion spring and a torsion spring seat B, and a right-handed screw B, and the recovery torsion spring provides a clockwise tensioning force when the carbon ribbon recovery shaft rotates clockwise.
Description
Technical Field
The invention belongs to the technical field of printing equipment, and particularly relates to a thermal transfer printer and a thermal transfer ribbon transmission device using the thermal transfer printer.
Background
As is well known, the printing principle of a thermal transfer printer is that a control system controls a heating element to generate heat to a printing head, and an oil film on a carbon ribbon film is converted from a solid state to a liquid state under heating and transferred to a printing surface. Therefore, the thermal transfer printer is widely applied to barcode printing in the fields of roads, railways, clothes and the like.
In order to ensure good printing quality, the printing speed of the thermal transfer ribbon needs to be ensured to be synchronous with the paper feeding speed, and at present, the thermal transfer ribbon transmission structure of a common thermal transfer printer generally has the following problems:
1. the carbon tape is not tensioned at the tape collecting end and the tape releasing end or needs to be retracted due to printing, so that the carbon tape is easy to wrinkle or loosen, and poor printing quality is caused.
2. The outer diameter of the carbon belt at the belt winding end of the carbon belt is continuously increased, the belt travelling speed of the carbon belt is increased under the condition that the rotating speed of the carbon belt is not changed, the carbon belt is possibly broken or the printing quality is poor, in order to avoid the situation, a clutch mechanism needs to be arranged on the carbon belt recycling shaft, and the clutch mechanism achieves that at the moment, the carbon belt gear slips, the carbon belt is under the action of the tensioning torsion spring, and the belt travelling speed and the paper travelling speed are in a tight state and synchronous.
In order to achieve the purpose, the existing carbon belt conveying device is large in number of parts, too complex in structure and large in size, influences the size of the whole machine, is not easy to assemble, disassemble and maintain, and is high in cost.
Disclosure of Invention
In view of this, an object of the present invention is to provide a thermal transfer printer and a thermal transfer ribbon conveying device using the same, so as to solve the problems of complex structure, poor assembly, disassembly and maintenance, and poor medium adaptability in the prior art.
The invention is realized by adopting the following scheme: the utility model provides a carbon ribbon transmission device, includes frame 1, be provided with mutually parallel and turn to the same carbon ribbon release axle 2, carbon ribbon recovery axle 3 in frame 1, carbon ribbon recovery axle 3 is rotated by power component drive, the one end that carbon ribbon release axle 2, carbon ribbon recovery axle 3 are located the homonymy rotates with frame 1 to be connected, and the other end is provided with adjustment structure A4, adjustment structure B5 respectively, adjustment structure A4 is including the right-handed screw A401 that sets gradually, carbon ribbon gear A11403, release pressure spring 404, knob A405, release torsional spring 406, torsional spring seat A407, left-handed screw A408, release torsional spring 406 when carbon ribbon release axle 2 clockwise rotates, provides a counter-clockwise tensile force, when carbon ribbon 15 releases, need have a reverse tensile force to carbon ribbon 15, guarantees that carbon ribbon 15 is in the tensioning state all the time at the tape transport in-process, adjustment structure B5 is including the left-handed screw B501, carbon ribbon gear B503, retrieve pressure spring 504, knob B505, retrieve 506, right torsional spring seat B, 508 that set gradually the tensile force provides a tensile force when retrieving the carbon ribbon rotates clockwise.
Further, the carbon ribbon gear a403 is sleeved on the knob a405, and is screwed by the right-handed screw a401, the torsion spring seat a407 is sleeved on the knob a405, and is screwed by the left-handed screw a408, the carbon ribbon gear B503 is sleeved on the knob B505, and is screwed by the left-handed screw B501, the torsion spring seat B507 is sleeved on the knob B505, and is screwed by the right-handed screw B508, when the power assembly drives the tape to be taken up, the rotation speed of the tape take-up end is constant, when the carbon ribbon 15 is not taken up continuously, the outer diameter of the tape take-up end is increased, at this time, the linear speed of the carbon ribbon 15 is continuously increased, in order to prevent the printing speed and the paper feeding speed from being asynchronous, when the speed of the carbon ribbon 15 is greater than the paper feeding speed, the carbon ribbon gear B503 overcomes the friction force generated by the compression of the recovery compression spring 504, and slips and idles, and the carbon ribbon 15 is also in a tightened state under the effect of the recovery torsion spring 506.
Further, felt 402, 502 is provided between the right-handed screw a401 and the carbon tape gear a403 and between the left-handed screw B501 and the carbon tape gear B503.
Further, the frame 1 is provided with the carbon ribbon sensor 13 with the mounted position of carbon ribbon release axle 2, be provided with the response window that gets into the abdicating to carbon ribbon sensor 13 in the frame 1, a plurality of sensor induction holes of circumference equipartition on the torsion spring seat A407, when the carbon ribbon 15 is about to use up, the stop motion of carbon ribbon 15 release end, in certain time/motor 9's operation step number, the change in hole can not be detected to carbon ribbon sensor 13, then judges that carbon ribbon 15 runs out.
Further, a printing shaft 6 is arranged on the frame 1, a gear 8 is arranged at the end of the printing shaft 6, which is on the same side as the adjusting structure B5, the printing shaft 6 and the carbon ribbon release shaft 2 are opposite in rotation direction, a printing head 7 is arranged above the printing shaft 6, a spring 14 is arranged between the upper side surface of the printing head 7 and the frame 1, the rear part of the printing head 7 is hinged with the frame 1, the front part of the printing head 7 is pressed against the printing shaft 6, and the carbon ribbon is led out from the carbon ribbon release shaft 2, penetrates through a pressing area between the printing head 7 and the printing shaft 6 and then is led into the carbon ribbon recovery shaft 3.
Further, a paper feeding wheel shaft 6 is arranged on the machine frame 1, a gear 8 is arranged at the end, on the same side as the adjusting structure B5, of the paper feeding wheel shaft 6, the rotation direction of the paper feeding wheel shaft 6 is opposite to that of the carbon ribbon releasing shaft 2, a printing head is arranged above the paper feeding wheel shaft 6, a spring 14 is arranged between the upper side face of the printing head and the machine frame 1, the rear portion of the printing head is hinged to the machine frame 1, the front portion of the printing head presses against the paper feeding wheel shaft 6, and the carbon ribbon 15 is led out from the carbon ribbon releasing shaft 2, penetrates through a pressing area between the printing head 7 and the paper feeding wheel shaft 6 and then is led into the carbon ribbon recovering shaft 3.
Further, the power assembly is a motor 9, an output gear 10 is arranged on an output shaft of the motor 9, the output gear 10 is in meshing transmission with the gear 8, and the gear 8 realizes transmission with a carbon ribbon gear B503 through a gear a11 and a gear B12 which are arranged on the frame 1.
A thermal transfer printer adopts the thermal transfer ribbon transmission device.
Compared with the prior art, the invention has the following effects: the invention has compact structure and reasonable design, is beneficial to realizing the overall miniaturization of the whole machine, has universal and small quantity of products of which the releasing end and the tape collecting end need die sinking, realizes the tensioning of the releasing and the tape collecting by changing the direction of the elastic force of the spring, has low manufacturing cost, is convenient to assemble, disassemble and maintain as a whole, controls the friction force of the carbon tapes at the releasing end and the tape collecting end more intuitively by the pressure spring, has better medium adaptability, and ensures that the printing speed and the paper feeding speed are kept synchronous.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is an exploded view of the structure of the carbon ribbon release shaft;
FIG. 4 is an exploded view of the structure of a carbon ribbon take-up shaft;
fig. 5 is a schematic structural diagram of a carbon ribbon sensor.
In the figure:
1-a frame; 2-a ribbon release shaft; 3-carbon ribbon recovery shaft; 4-adjustment of Structure A; 401-right-handed screw a; 402-felt; 403-carbon ribbon gear a; 404-releasing the compression spring; 405-knob a; 406-release torsion spring; 407-torsion spring seat a; 408-left-handed screw a; 5-adjustment of structure B; 501-left-handed screw B; 502-felt; 503-carbon ribbon gear B; 504-recovering the pressure spring; 505-knob B; 506-recovering the torsion spring; 507-torsion spring seat B; 508-right-handed screw B; 6-printing axis or paper-feeding wheel axis; 7-a print head; 8-gear; 9-a motor; 10-an output gear; 11-gear A; 12-gear B; 13-a carbon ribbon sensor; 14-a spring; 15-carbon ribbon.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to specific embodiments and accompanying drawings.
As shown in fig. 1-5, a carbon ribbon transmission device includes a frame 1, a carbon ribbon releasing shaft 2 and a carbon ribbon recovering shaft 3 that are parallel to each other and rotate in the same direction are disposed on the frame 1, the carbon ribbon recovering shaft 3 is driven by a power assembly to rotate, one end of the carbon ribbon releasing shaft 2 and one end of the carbon ribbon recovering shaft 3 that are located on the same side are rotatably connected to the frame 1, the other end of the carbon ribbon releasing shaft is respectively provided with an adjusting structure A4 and an adjusting structure B5, the adjusting structure A4 includes a right-handed screw a401, a carbon ribbon gear a11403, a releasing compression spring 404, a knob a405, a releasing torsion spring 406, a torsion spring seat a407 and a left-handed screw a408 that are sequentially disposed, the releasing torsion spring 406 provides an anticlockwise tension when the carbon ribbon releasing shaft 2 rotates clockwise, a reverse tension needs to the carbon ribbon 15 when the carbon ribbon 15 is released, the carbon ribbon 15 is ensured to be always in a tensioned state during a ribbon transport process, the adjusting structure B5 includes a left-handed screw B501, a carbon ribbon gear B503, a recovering compression spring 504, a right-handed spring B505, a recovering compression spring B505, a clockwise torsion spring B507, and a torsion spring B508 that are sequentially disposed when the carbon ribbon rotates clockwise.
In this embodiment, the carbon ribbon gear a403 is sleeved on the knob a405, and is screwed by the right-handed screw a401, the torsion spring seat a407 is sleeved on the knob a405, and is screwed by the left-handed screw a408, the carbon ribbon gear B503 is sleeved on the knob B505, and is screwed by the left-handed screw B501, the torsion spring seat B507 is sleeved on the knob B505, and is screwed by the right-handed screw B508, when the power assembly drives the tape winding, the rotation speed of the tape winding end is constant, and when the carbon ribbon 15 is continuously wound, the outer diameter of the tape winding end is increased, and at this time, the linear velocity of the carbon ribbon 15 is continuously increased, in order to prevent the printing speed and the paper feeding speed from being asynchronous, when the speed of the carbon ribbon 15 is greater than the paper feeding speed, the carbon ribbon gear B503 overcomes the friction force generated by the compression of the recovery compression spring 504, and slips and idles, and the carbon ribbon 15 is also in a tightened state under the effect of the recovery torsion spring 506.
In this embodiment, the felt 402, 502 is provided between the right-handed screw a401 and the carbon tape gear a403 and between the left-handed screw B501 and the carbon tape gear B503.
In this embodiment, frame 1 and the mounted position of carbon ribbon release axle 2 are provided with carbon ribbon sensor 13, be provided with the response window that gets into the abdicating to carbon ribbon sensor 13 in the frame 1, a plurality of sensor induction holes of circumference equipartition on the torsion spring seat A407, when carbon ribbon 15 is about to use up, 15 release ends stop motion of carbon ribbon, in the operation step number of certain time/motor 9, carbon ribbon sensor 13 can not detect the change in hole, then judges that carbon ribbon 15 runs out.
In this embodiment, a printing shaft 6 is disposed on the frame 1, a gear 8 is disposed at the end of the printing shaft 6 on the same side as the adjusting structure B5, the printing shaft 6 and the ribbon release shaft 2 rotate in opposite directions, a printing head 7 is disposed above the printing shaft 6, a spring 14 is disposed between the upper side of the printing head 7 and the frame 1, the rear portion of the printing head 7 is hinged to the frame 1, the front portion of the printing head 7 presses against the printing shaft 6, and the ribbon is led out from the ribbon release shaft 2, passes through a pressing area between the printing head and the printing shaft, and then is led into the ribbon recovery shaft 3.
In this embodiment, a paper feeding wheel shaft 6 is arranged on the frame 1, a gear 8 is arranged at the end of the paper feeding wheel shaft 6 on the same side as the adjusting structure B5, the paper feeding wheel shaft 6 and the carbon ribbon release shaft 2 are opposite in rotation direction, a printing head is arranged above the paper feeding wheel shaft 6, a spring 14 is arranged between the upper side surface of the printing head and the frame 1, the rear part of the printing head is hinged to the frame 1, the front part of the printing head is pressed against the paper feeding wheel shaft 6, and a carbon ribbon 15 is led out from the carbon ribbon release shaft 2, penetrates through a pressing area between the printing head 7 and the paper feeding wheel shaft 6 and then is led into the carbon ribbon recovery shaft 3.
In this embodiment, the power assembly is a motor 9, an output gear 10 is disposed on an output shaft of the motor 9, the output gear 10 is in meshing transmission with the gear 8, and the gear 8 realizes transmission with the carbon ribbon gear B503 through a gear a11 and a gear B12 disposed on the frame 1.
A thermal transfer printer adopts the thermal transfer ribbon transmission device.
According to the carbon belt transmission structure provided by the invention, the parts of the product are completely the same at the recovery end and the release end of the carbon belt, the product is directly sleeved on the rack 1, the number of the parts of the product is saved, the whole volume of the device is small, the disassembly, the assembly and the miniaturization of the position and the whole machine are facilitated, and the cost is reduced. Meanwhile, only the tension torsion spring and the pressure spring need to be changed, so that the tension force and the clutch force required by the carbon belt in overload slipping can be provided quantitatively, and the reliability of the device and the practical adaptability of the medium are improved.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (2)
1. A carbon ribbon transmission device is characterized in that: the carbon ribbon recovery device comprises a rack (1), wherein a carbon ribbon release shaft (2) and a carbon ribbon recovery shaft (3) which are parallel to each other and have the same steering direction are arranged on the rack (1), the carbon ribbon recovery shaft (3) is driven by a power assembly to rotate, one end of the carbon ribbon release shaft (2) and one end of the carbon ribbon recovery shaft (3) which are positioned on the same side are rotatably connected with the rack (1), the other end of the carbon ribbon recovery shaft is respectively provided with an adjustment structure A (4) and an adjustment structure B (5), the adjustment structure A (4) comprises a right-handed screw A (401), a carbon ribbon gear A (403), a release compression spring (404), a knob A (405), a release torsion spring (406), a torsion spring seat A (407) and a left-handed screw A (408) which are sequentially arranged, when the carbon ribbon release shaft (2) rotates clockwise, the release torsion spring (406) provides an anticlockwise tensile force, the adjustment structure B (5) comprises a left-handed screw B (501), a carbon ribbon gear B (503), a recovery compression spring (504), a knob B (505), a recovery torsion spring (506) and a right-handed spring seat B (508) which are sequentially arranged, and when the carbon ribbon recovery shaft (3) rotates clockwise; the carbon ribbon gear A (403) is sleeved on the knob A (405) and screwed by the right-handed screw A (401), the torsion spring seat A (407) is sleeved on the knob A (408) and screwed by the left-handed screw A (408), the carbon ribbon gear B (503) is sleeved on the knob B (505) and screwed by the left-handed screw B (501), and the torsion spring seat B (507) is sleeved on the knob B (505) and screwed by the right-handed screw B (508); oil felts (402, 502) are arranged between the right-handed screw A (401) and the carbon tape gear A (403) and between the left-handed screw B (501) and the carbon tape gear B (503); a carbon ribbon sensor (13) is arranged at the mounting position of the rack (1) and the carbon ribbon release shaft (2), an induction window for leading the carbon ribbon sensor (13) to yield is arranged on the rack (1), and a plurality of sensor induction holes are uniformly distributed on the circumference of the torsion spring seat A (407); a printing shaft (6) is arranged on the rack (1), a gear (8) is arranged at the end of the printing shaft (6) which is at the same side with the adjusting structure B (5), the printing shaft (6) and the carbon ribbon release shaft (2) are opposite in rotation direction, a printing head (7) is arranged above the printing shaft (6), a spring (14) is arranged between the upper side surface of the printing head (7) and the rack (1), the rear part of the printing head (7) is hinged with the rack (1), the front part of the printing head (7) is pressed against the printing shaft (6), and the carbon ribbon is led out from the carbon ribbon release shaft (2) to penetrate through a pressing area between the printing head (7) and the printing shaft (6) and then led into the carbon ribbon recovery shaft (3); a paper feeding wheel shaft (6) is arranged on the rack (1), a gear (8) is arranged at the end of the paper feeding wheel shaft (6) on the same side as the adjusting structure B (5), the paper feeding wheel shaft (6) and the carbon ribbon release shaft (2) are opposite in rotation direction, a printing head (7) is arranged above the paper feeding wheel shaft (6), a spring (14) is arranged between the upper side surface of the printing head (7) and the rack (1), the rear part of the printing head (7) is hinged with the rack (1), the front part of the printing head (7) presses against the paper feeding wheel shaft (6), and the carbon ribbon is led out from the carbon ribbon release shaft (2) to penetrate through a pressing area between the printing head (7) and the paper feeding wheel shaft (6) and then led into the carbon ribbon recovery shaft (3); the power assembly is a motor (9), an output gear (10) is arranged on an output shaft of the motor (9), the output gear (10) is in meshing transmission with the gear (8), and the gear (8) is in transmission with a carbon ribbon gear B (503) through a gear A (11) and a gear B (12) which are arranged on the rack (1).
2. A thermal transfer printer, characterized by: a carbon tape transfer unit as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710323918.3A CN106965576B (en) | 2017-05-10 | 2017-05-10 | Carbon ribbon transmission device and thermal transfer printer using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710323918.3A CN106965576B (en) | 2017-05-10 | 2017-05-10 | Carbon ribbon transmission device and thermal transfer printer using same |
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| Publication Number | Publication Date |
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| CN106965576A CN106965576A (en) | 2017-07-21 |
| CN106965576B true CN106965576B (en) | 2022-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710323918.3A Active CN106965576B (en) | 2017-05-10 | 2017-05-10 | Carbon ribbon transmission device and thermal transfer printer using same |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110027221B (en) * | 2019-03-14 | 2021-01-05 | 广州市森利包装设备有限公司 | Feeding machine |
| CN110667266B (en) * | 2019-10-29 | 2024-06-04 | 福建实达电脑设备有限公司 | Carbon belt transmission magnetic clutch device, thermal transfer printer and working method |
| CN110936745A (en) * | 2019-12-17 | 2020-03-31 | 杨勇志 | Novel carbon ribbon type artistic name sticker processing method |
| CN111070922B (en) * | 2019-12-30 | 2021-08-06 | 厦门汉印电子技术有限公司 | Thermal transfer printer, thermal transfer printer |
| CN112248655B (en) * | 2020-09-30 | 2022-01-28 | 厦门汉印电子技术有限公司 | Thermal transfer printer |
| CN114683706B (en) * | 2022-03-07 | 2023-04-11 | 深圳市奥莱新创科技有限公司 | Temporary license plate printer |
| CN115056578A (en) * | 2022-05-20 | 2022-09-16 | 深圳市美松智能设备有限公司 | Thermal transfer printer and printing method |
| CN115091865A (en) * | 2022-07-08 | 2022-09-23 | 珠海恒盛条码设备有限公司 | Carbon ribbon transporting and collecting mechanism and printing device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101544138B (en) * | 2008-03-26 | 2012-05-23 | 山东新北洋信息技术股份有限公司 | Carbon ribbon recovery device for thermal transfer printer |
| CN201362044Y (en) * | 2009-03-04 | 2009-12-16 | 山东新北洋信息技术股份有限公司 | Thermal transfer ribbon exertion mechanism |
| CN202071520U (en) * | 2010-12-06 | 2011-12-14 | 中国铁道科学研究院电子计算技术研究所 | Motor drag type adaptive thermal transfer ribbon retracting mechanism |
| CN103507449B (en) * | 2012-06-29 | 2016-08-03 | 山东新北洋信息技术股份有限公司 | Carbon ribbon recovering mechanism and use the thermal transfer printer of this mechanism |
| CN206913959U (en) * | 2017-05-10 | 2018-01-23 | 福建实达电脑设备有限公司 | A kind of carbon ribbon transmitting device |
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2017
- 2017-05-10 CN CN201710323918.3A patent/CN106965576B/en active Active
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