CN218749997U - Carbon ribbon tensioning texture and thermal transfer printer - Google Patents
Carbon ribbon tensioning texture and thermal transfer printer Download PDFInfo
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- CN218749997U CN218749997U CN202223085014.7U CN202223085014U CN218749997U CN 218749997 U CN218749997 U CN 218749997U CN 202223085014 U CN202223085014 U CN 202223085014U CN 218749997 U CN218749997 U CN 218749997U
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- carbon ribbon
- belt pulley
- transmission shaft
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Abstract
The utility model relates to a thermal transfer printer equipment field, in particular to carbon ribbon tension structure and thermal transfer printer. The utility model discloses an equipment structure of accurate axiality of assurance is including adorning respectively in the carbon ribbon of printer organism side unreeling the transmission shaft, carbon ribbon rolling transmission shaft, attenuator and gear motor, the carbon ribbon unreels the coaxial first belt pulley that is equipped with of transmission shaft one end, first flange subassembly is equipped with to the other end, the epaxial coaxial second belt pulley that is equipped with of attenuator, first belt pulley and second belt pulley are connected through the first belt that encircles the two, the coaxial third belt pulley that is equipped with of one end of carbon ribbon rolling transmission shaft, the second flange subassembly is equipped with to the other end, gear motor's the epaxial coaxial fourth belt pulley that is equipped with, third belt pulley and fourth belt pulley are connected through the second belt that encircles the two. The advantages are that: the tension control is simple and convenient, the structure is simple, and the stable adjustment of the tension of the carbon ribbon can be realized.
Description
Technical Field
The utility model relates to a thermal transfer printer equipment field, in particular to carbon ribbon tension structure and thermal transfer printer.
Background
At present, most of the conventional thermal transfer printers on the market have the following defects:
defect 1): the unwinding carbon belt and the winding carbon belt are driven by a direct current motor respectively, the speed of the direct current motor needs to be adjusted according to the change of the winding diameter, therefore, a sensor needs to be configured on the structure to detect a coded disc, the speed change of the direct current motor is further controlled in an algorithm, and the technical difficulty of the control mode is high.
Defect 2): because the output torque requirements of the unreeling carbon belt and the reeling carbon belt are different, the output torque of the unreeling carbon belt is larger, and the output torque of the reeling carbon belt is very small, different gear transmission systems are required to be configured to adjust the output of the torque.
Defect 3): the whole structure system configuration is more complicated and the cost is higher.
Therefore, there is a need for new research and improvement on the driving structure and the tensioning structure of the thermal transfer printer related to the winding and unwinding carbon tape.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a carbon ribbon tension structure and heat-transfer seal printer are provided, the effectual defect of overcoming prior art.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
the utility model provides an guarantee assembly structure of accurate axiality, including adorning respectively in the carbon ribbon of printer organism side unreel the transmission shaft, carbon ribbon rolling transmission shaft, attenuator and gear motor, above-mentioned carbon ribbon unreels the transmission shaft one end and is equipped with first belt pulley coaxially, the other end is equipped with and is used for unreeling the first flange subassembly of carbon ribbon end connection, the epaxial coaxial second belt pulley that is equipped with of above-mentioned attenuator, above-mentioned first belt pulley and second belt pulley are connected through the first belt that encircles the two, the coaxial third belt pulley that is equipped with of one end of above-mentioned carbon ribbon rolling transmission shaft, the other end is equipped with and is used for the second flange subassembly with rolling carbon ribbon end connection, the epaxial coaxial fourth belt pulley that is equipped with of above-mentioned gear motor, above-mentioned third belt pulley and fourth belt pulley are connected through the second belt that encircles the two.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the reduction motor is a direct current reduction motor.
Further, the speed reducing motor is a direct current speed reducing motor provided with an encoder.
Further, the first connection disc assembly comprises a first connection disc and a cylindrical first inserting portion coaxially arranged on one surface of the first connection disc, the other end of the carbon ribbon unreeling transmission shaft is coaxially connected and fixed with the other surface of the first connection disc, and the first inserting portion is used for being inserted into an end through hole of the unreeling carbon ribbon.
Further, the second connecting disc assembly comprises a second connecting disc and a cylindrical second inserting portion coaxially arranged on one surface of the second connecting disc, the other end of the carbon ribbon winding transmission shaft is coaxially connected and fixed with the other surface of the second connecting disc, and the second inserting portion is used for being inserted into an end through hole of a winding carbon ribbon.
The beneficial effects are that: the tension control is simple and convenient, the structure is simple, and the stable adjustment of the tension of the carbon ribbon can be realized.
Also provided is a thermal transfer printer including an assembly structure that ensures precise coaxiality.
Drawings
Fig. 1 is a schematic structural view of tension adjustment of a unreeling thermal transfer ribbon and a reeling thermal transfer ribbon in a conventional printer;
fig. 2 is a schematic structural view of the carbon ribbon tension structure of the present invention;
fig. 3 is a schematic view of a tension adjusting structure for unwinding the carbon ribbon in the carbon ribbon tensioning structure of the present invention;
fig. 4 is the utility model discloses a tension adjustment structure schematic diagram of carbon ribbon rolling in carbon ribbon tension structure.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the carbon ribbon unreeling transmission shaft; 2. a carbon ribbon winding transmission shaft; 3. a damper; 4. a reduction motor; 5. a first belt; 6. a second belt; 11. a first pulley; 12. a first splice tray assembly; 21. a third belt pulley; 22. a second connector disc assembly; 31. a second pulley; 41. a fourth belt pulley; 121. a first splice tray; 122. a first patch part; 221. a second connecting disc; 222. a second patch portion.
Detailed Description
The principles and features of the present invention will be described with reference to the drawings, which are provided for illustration only and are not intended to limit the scope of the invention.
Example (b): as shown in fig. 2, 3, and 4, the carbon ribbon tensioning structure of this embodiment includes a carbon ribbon unwinding transmission shaft 1, a carbon ribbon winding transmission shaft 2, a damper 3, and a reduction motor 4 respectively installed at a side end of a printer body, where one end of the carbon ribbon unwinding transmission shaft 1 is coaxially installed with a first belt pulley 11, the other end of the carbon ribbon unwinding transmission shaft is installed with a first connection disc assembly 12 for connecting with an end of an unwound carbon ribbon, the shaft of the damper 3 is coaxially installed with a second belt pulley 31, the first belt pulley 11 and the second belt pulley 31 are connected by a first belt 5 surrounding the first belt pulley and the second belt pulley 5, one end of the carbon ribbon winding transmission shaft 2 is coaxially installed with a third belt pulley 21, the other end of the carbon ribbon winding transmission shaft is installed with a second connection disc assembly 22 for connecting with an end of a wound carbon ribbon, the shaft of the reduction motor 4 is coaxially installed with a fourth belt pulley 41, and the third belt pulley 21 and the fourth belt pulley 41 are connected by a second belt 6 surrounding the second belt.
The existing carbon ribbon mounting structure of a printer is shown in fig. 1, in the figure, an unreeling carbon ribbon a ', a reeling carbon ribbon b', and a carbon ribbon unreeling transmission shaft are connected to a reel end of an unreeling driven gear c, an unreeling speed-reducing motor d is configured, a motor shaft of the unreeling speed-reducing motor d is connected to a reel driving gear e meshed with the unreeling driven gear c, a reel end of a carbon ribbon reeling transmission shaft is also connected to a reeling driven gear f, and a reeling speed-reducing motor g is configured, and a motor shaft of the reeling speed-reducing motor g is connected to a reel driving gear h meshed with the reeling driven gear f.
The technical scheme of this embodiment is particularly suitable for solving the problems of unwinding smoothness and winding tension control stability of the carbon ribbon when the wide carbon ribbon is more than 320mm and the large winding diameter (the length of the carbon ribbon is more than 2000 mm) is used for high-speed printing, and the specific description is as follows:
an unreeling carbon belt (denoted by a in the figure) is unreeled and connected with a damper 3 through a first belt 5, and the resistance of the damper 3 can be adjusted according to the tension requirement; the winding of the winding carbon belt (b in the figure) is connected with the speed reducing motor 4 through a second belt 6 for driving and tensioning. In the printing process, the carbon ribbon moves synchronously along with the adhesive tape, and the damper 3 only plays a role in tensioning the carbon ribbon in the moving process, so that the carbon ribbon is ensured to be flattened, and particularly, the carbon ribbon needs to be unfolded and flattened when the width and the roll diameter are different; the rolling carbon ribbon then adopts gear motor 4 drive that has the encoder, and the tension of carbon ribbon when can the different footpath sizes of rolling up of accurate control reaches the purpose of effective control carbon ribbon at the tensile stability of printing in-process, and control is simple in practical application, and carbon ribbon tension keeps the uniformity good, and the fold can not appear in the carbon ribbon of printing in-process, can not therefore the bad image effect of printing. Compared with the prior art, the technical scheme of the embodiment integrally reduces the algorithm control difficulty of the direct current motor; the structure is simplified, and the complexity of the printer system is reduced; simultaneously, the problem of roll leveling and rolling tension stability is transferred to effectual solution during the carbon ribbon broad width and at high-speed operation.
In this embodiment, the reduction motor 4 adopts a dc reduction motor in the prior art, and the specific model can be selected flexibly and reasonably according to the actual use requirement, which is not described herein.
In this embodiment, the first connection disc assembly 12 includes a first connection disc 121 and a cylindrical first patch portion 122 coaxially disposed on one surface of the first connection disc 121, the other end of the carbon ribbon unwinding transmission shaft 1 is coaxially connected and fixed with the other surface of the first connection disc 121, and the first patch portion 122 is used for being inserted into a through hole of an end of the unwinding carbon ribbon. When the carbon ribbon is mounted, the first inserting part 122 is inserted into the through hole of the corresponding end of the carbon ribbon.
In this embodiment, the second connection disc assembly 22 includes a second connection disc 221 and a cylindrical second patch portion 222 coaxially disposed on one surface of the second connection disc 221, the other end of the carbon ribbon winding transmission shaft 2 is coaxially connected and fixed to the other surface of the second connection disc 221, and the second patch portion 222 is used for being inserted into a through hole of an end of a wound carbon ribbon. When the carbon ribbon is mounted, the second inserting part 222 is inserted into the through hole at the corresponding end of the carbon ribbon
When the carbon ribbon unwinding transmission shaft and the carbon ribbon winding transmission shaft are used in an actual printer body, the carbon ribbon unwinding transmission shaft 1 and the carbon ribbon winding transmission shaft 2 are respectively arranged at the side ends of two sides of the printer body, the carbon ribbon unwinding transmission shaft 1 at any two sides is connected with the damper 3, and the carbon ribbon winding transmission shaft 2 at any two sides is connected with the speed reduction motor.
Example 2
The present embodiment provides a thermal transfer printer including the thermal transfer ribbon tension structure of embodiment 1.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (6)
1. A carbon ribbon tension structure is characterized in that: including adorning respectively in carbon ribbon unwinding transmission shaft (1), carbon ribbon rolling transmission shaft (2), attenuator (3) and gear motor (4) of printer organism side, carbon ribbon unwinding transmission shaft (1) one end is coaxial to be equipped with first belt pulley (11), and the other end is equipped with and is used for and unreels first connection disc subassembly (12) of carbon ribbon end connection, the epaxial coaxial second belt pulley (31) that is equipped with of attenuator (3), first belt pulley (11) and second belt pulley (31) are connected through first belt (5) around the two, the coaxial third belt pulley (21) that is equipped with of one end of carbon ribbon rolling transmission shaft (2), the other end are equipped with and are used for second connection disc subassembly (22) with rolling carbon ribbon end connection, the epaxial coaxial fourth belt pulley (41) that is equipped with of gear motor (4), third belt pulley (21) and fourth belt pulley (41) are connected through second belt (6) around the two.
2. A carbon ribbon tension structure as recited in claim 1, wherein: the speed reducing motor (4) is a direct current speed reducing motor.
3. A carbon ribbon tension structure as recited in claim 2, wherein: the speed reducing motor (4) is a direct current speed reducing motor provided with an encoder.
4. A carbon ribbon tension structure as recited in claim 1, wherein: the first connecting disc assembly (12) comprises a first connecting disc (121) and a cylindrical first plug part (122) coaxially arranged on one surface of the first connecting disc (121), the other end of the carbon ribbon unreeling transmission shaft (1) is coaxially connected and fixed with the other surface of the first connecting disc (121), and the first plug part (122) is used for being inserted into a through hole in the end head of the unreeling carbon ribbon.
5. A carbon ribbon tension structure as recited in claim 1, wherein: the second connecting disc assembly (22) comprises a second connecting disc (221) and a cylindrical second inserting portion (222) coaxially arranged on one surface of the second connecting disc (221), the other end of the carbon ribbon winding transmission shaft (2) is coaxially connected and fixed with the other surface of the second connecting disc (221), and the second inserting portion (222) is used for being inserted into an end through hole of a winding carbon ribbon.
6. A thermal transfer printer, characterized by: comprising the carbon ribbon tension structure as recited in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223085014.7U CN218749997U (en) | 2022-11-21 | 2022-11-21 | Carbon ribbon tensioning texture and thermal transfer printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223085014.7U CN218749997U (en) | 2022-11-21 | 2022-11-21 | Carbon ribbon tensioning texture and thermal transfer printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218749997U true CN218749997U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223085014.7U Active CN218749997U (en) | 2022-11-21 | 2022-11-21 | Carbon ribbon tensioning texture and thermal transfer printer |
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| Country | Link |
|---|---|
| CN (1) | CN218749997U (en) |
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- 2022-11-21 CN CN202223085014.7U patent/CN218749997U/en active Active
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