Carbon ribbon transporting and collecting mechanism and printing device
Technical Field
The invention relates to the technical field of imaging equipment, in particular to a carbon ribbon transporting and collecting mechanism and a printing device.
Background
With the development of economy, ordinary desktop printers cannot meet the requirements of print jobs, and thus, the applications of industrial printers are gradually increasing. In the existing structure of the industrial printer, the carbon ribbon is transferred from the transfer shaft to the recovery shaft. However, in the process of conveying, the carbon ribbon often cannot be kept in a tensioned state and is in a soft state, and the carbon ribbon in the soft state cannot be conveyed in time, so that the printing operation is difficult to smoothly perform.
Disclosure of Invention
In order to overcome the defects of the prior art, the first object of the invention is to provide a carbon ribbon transporting and collecting mechanism which ensures that a carbon ribbon is in a tensioning state in the conveying process.
In order to overcome the defects of the prior art, the second object of the invention is to provide a carbon belt conveying and collecting mechanism which ensures that a carbon belt is in a tensioning state in the conveying process.
In order to achieve the first purpose, the carbon ribbon collecting mechanism provided by the invention comprises a conveying shaft, a collecting shaft and a main frame body, wherein the conveying shaft and the collecting shaft are respectively and rotatably connected to the main frame body; when the conveying shaft is fully loaded with the carbon ribbon, the distance between the carbon ribbon roll wound on the conveying shaft and the recovery shaft is 7-5 mm; when the recovery shaft is fully loaded with the carbon tape, the distance between the carbon tape roll wound on the recovery shaft and the conveying shaft is 12-13 mm.
According to the scheme, when the conveying shaft is fully loaded with the carbon ribbon, the distance between the carbon ribbon roll wound on the conveying shaft and the recovery shaft is 7-5 mm; when retrieving the axle and being full-load the carbon ribbon, the carbon tape roll of coiling in retrieving the axle is 12 to 13mm with the distance of conveying axle, consequently, through setting up the carbon tape roll and retrieving the axle, conveying distance between the axle, guarantee that the carbon ribbon is in the tensioning state in the data send process, avoids the carbon ribbon soft, ensures that the printing operation goes on smoothly.
Preferably, when the transport shaft is fully loaded with the carbon tape, the carbon tape roll wound around the transport shaft is spaced from the recovery shaft by 6.55 mm.
Preferably, when the recovery shaft is fully loaded with the carbon tape, the carbon tape roll wound around the recovery shaft is 12.33mm away from the transport shaft.
Furthermore, the carbon belt conveying and collecting mechanism comprises a driving wheel, a transmission gear set, a recovery gear and a paper feeding gear, wherein the recovery gear is fixedly connected to one end of a recovery shaft in a detachable mode, the driving wheel drives the recovery gear to rotate through the transmission gear set, and the paper feeding gear is meshed with the driving wheel.
Furthermore, the linear speed ratio of the recovery gear to the paper feeding gear is 1.2.
In order to achieve the second object, the printing device provided by the invention comprises a shell and a carbon ribbon transporting and collecting mechanism, wherein the carbon ribbon transporting and collecting mechanism is arranged in the shell and comprises a conveying shaft, a recovery shaft and a main frame body, the conveying shaft and the recovery shaft are respectively and rotatably connected to the main frame body, the conveying shaft is used for conveying the carbon ribbon to a printing position, and the recovery shaft is used for winding the printed carbon ribbon; when the conveying shaft is fully loaded with the carbon ribbon, the distance between the carbon ribbon roll wound on the conveying shaft and the recovery shaft is 7-5 mm; when the recovery shaft is fully loaded with the carbon tape, the distance between the carbon tape roll wound on the recovery shaft and the conveying shaft is 12 to 13 mm.
According to the scheme, when the conveying shaft is fully loaded with the carbon ribbon, the distance between the carbon ribbon roll wound on the conveying shaft and the recovery shaft is 7-5 mm; when retrieving the axle and being full-load the carbon ribbon, the carbon tape roll of coiling in retrieving the axle is 12 to 13mm with the distance of conveying axle, consequently, through setting up the carbon tape roll and retrieving the axle, conveying distance between the axle, guarantee that the carbon ribbon is in the tensioning state in the data send process, avoids the carbon ribbon soft, ensures that the printing operation goes on smoothly.
Preferably, when the transfer shaft is fully loaded with the carbon ribbon, the carbon ribbon roll wound around the transfer shaft is 6.55mm away from the recovery shaft.
Preferably, when the recovery shaft is fully loaded with the carbon tape, the carbon tape roll wound around the recovery shaft is 12.33mm away from the transport shaft.
Furthermore, the carbon belt conveying and collecting mechanism comprises a driving wheel, a transmission gear set, a recovery gear and a paper feeding gear, wherein the recovery gear is fixedly connected to one end of a recovery shaft in a detachable mode, the driving wheel drives the recovery gear to rotate through the transmission gear set, and the paper feeding gear is meshed with the driving wheel.
Furthermore, the linear speed ratio of the recovery gear to the paper feeding gear is 1.2.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived on the basis of the following drawings without inventive effort.
Fig. 1 is a partial structural view of an embodiment of a carbon ribbon transportation mechanism according to the present invention.
Fig. 2 is a partial cross-sectional view of the structure shown in fig. 1 from another perspective.
Fig. 3 is a partial structural view of an embodiment of a carbon ribbon transportation mechanism according to the present invention.
Fig. 4 is a partial cross-sectional view of the structure shown in fig. 3 from another perspective.
Fig. 5 is a partial structural view of an embodiment of a carbon ribbon transportation mechanism according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 4, the carbon ribbon transporting and collecting mechanism 100 provided in this embodiment includes a conveying shaft 1, a collecting shaft 2, and a main frame body 3, wherein the conveying shaft 1 and the collecting shaft 2 are respectively rotatably connected to the main frame body 3, the conveying shaft 1 is used for conveying the carbon ribbon to a printing position, and the collecting shaft 2 is used for winding the carbon ribbon after printing.
When the conveying shaft 1 is fully loaded with the carbon ribbon, the distance L1 between the carbon ribbon roll wound on the conveying shaft 1 and the recovery shaft 2 is 7-5 mm; when the recovery shaft 2 is fully loaded with the carbon tape, the distance L2 between the roll of the carbon tape wound around the recovery shaft 2 and the transport shaft 1 is 12 to 13 mm.
Preferably, when the transport shaft 1 is fully loaded with the carbon ribbon, the carbon ribbon roll wound around the transport shaft 1 is 6.55mm apart from the recovery shaft 2.
Preferably, when the recovery shaft 2 is fully loaded with the carbon ribbon, the carbon ribbon roll wound around the recovery shaft 2 is 12.33mm apart from the transport shaft 1.
Referring to fig. 5, the carbon ribbon transporting and collecting mechanism 100 includes a driving wheel 4, a transmission gear set 5, a recovery gear 6 and a paper feeding gear 7, one end of the recovery shaft 2 is detachably and fixedly connected with the recovery gear 6, the driving wheel 4 drives the recovery gear 6 to rotate through the transmission gear set 5, and the paper feeding gear 7 is meshed with the driving wheel 4. One end of the recovery shaft 2 is detachably and fixedly connected with a recovery gear through known connection modes such as buckling, clamping or threaded connection, and the recovery gear drives the recovery shaft to synchronously rotate. Preferably, the transmission gear set 5 is composed of three gears.
Furthermore, the linear speed ratio of the recovery gear to the driving wheel is 1.2.
The ribbon transport mechanism 100 is applied to a printing apparatus, and the printing apparatus is preferably an industrial printer. The printing apparatus includes a housing (not shown in the drawings) and a carbon ribbon collecting mechanism 100, wherein the carbon ribbon collecting mechanism 100 is disposed in the housing, and specifically, the main frame 3 of the carbon ribbon collecting mechanism 100 is assembled in the housing by known connection methods such as buckling, clamping, or screwing, so as to position the carbon ribbon collecting mechanism 100 in the housing.
Referring to fig. 1 to 5, when the transfer shaft 1 is fully loaded with the carbon ribbon, the carbon ribbon roll wound around the transfer shaft 1 is at a distance of 7 to 5mm from the recovery shaft 2; when retrieving axle 2 and being full-load the carbon ribbon, the distance of coiling in the carbon ribbon book of retrieving axle 2 and conveying axle 1 is 12 to 13mm, consequently, through setting up the carbon ribbon book and retrieving the distance between axle 2, the conveying axle 1, guarantees that the carbon ribbon is in the tensioning state in the data send process, avoids the carbon ribbon soft, ensures that the printing operation goes on smoothly.
Particularly, the transmission shaft 1 and the recovery shaft 2 are respectively connected to the main frame body 3 in a rotating shaft mode, torsion springs are respectively arranged inside the transmission shaft 1 and the recovery shaft 2, and the torsion springs are used for timely compensating the tightness degree of the carbon ribbon.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Finally, it should be emphasized that the present invention is not limited to the above-mentioned embodiments, but only the preferred embodiments of the invention have been described above, and the present invention is not limited thereto, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.