CN216860992U - Carbon ribbon supply device and printer - Google Patents
Carbon ribbon supply device and printer Download PDFInfo
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- CN216860992U CN216860992U CN202123006560.2U CN202123006560U CN216860992U CN 216860992 U CN216860992 U CN 216860992U CN 202123006560 U CN202123006560 U CN 202123006560U CN 216860992 U CN216860992 U CN 216860992U
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- carbon ribbon
- ribbon
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- carbon
- rotating
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Abstract
The utility model discloses a thermal transfer ribbon supply device and a printer. The carbon ribbon feeding mechanism comprises a rotating shaft, a first carbon ribbon rotating part and a second carbon ribbon rotating part are sleeved on the rotating shaft, the first carbon ribbon rotating part reaches the second carbon ribbon rotating part is arranged in the axis direction of the rotating shaft, the first carbon ribbon rotating part reaches a first inner cavity and a second inner cavity are arranged in the second carbon ribbon rotating part, the first inner cavity is provided with a sleeve joint torsion spring assembly which is arranged in the rotating shaft, the torsion spring assembly is arranged in the first inner cavity, one end of the torsion spring assembly is fixed in the rotating shaft, and the other end of the torsion spring assembly is fixed in the first inner cavity. The printer comprises the carbon ribbon supply device. The utility model is applied to the technical field of printing equipment.
Description
Technical Field
The present invention relates to a printing apparatus, and more particularly, to a thermal transfer ribbon supply device and a printer.
Background
A carbon ribbon supply device of the printer is configured to load and convey the carbon ribbon, and the carbon ribbon is easy to wrinkle in the travel of the carbon ribbon from the carbon ribbon supply roller to the printing head in the conveying process of the carbon ribbon supply device; in addition, when the width of the carbon ribbon paper conveyed by the carbon ribbon supply roller is small, the damping between the carbon ribbon paper and the carbon ribbon supply roller will affect the flexible rotation of the carbon ribbon supply roller because the width of the carbon ribbon paper is obviously smaller than the length of the carbon ribbon supply roller, and if the length of the carbon ribbon supply roller is matched with the carbon ribbon paper with the small width, the carbon ribbon paper with the normal width cannot be applied to the carbon ribbon supply roller. Therefore, there is a need to develop a thermal transfer ribbon supply device and a printer that are not prone to wrinkle, have good adaptability, and can reduce damping.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, and provides a carbon ribbon supply device which is not easy to wrinkle, has good adaptability and can reduce damping.
A second object of the present invention is to provide a printer which is less likely to wrinkle, has good adaptability, and can reduce damping.
The technical scheme adopted by the utility model is as follows: the carbon ribbon rotating device comprises a rotating shaft, wherein a first carbon ribbon rotating piece and a second carbon ribbon rotating piece are sleeved on the rotating shaft and distributed along the axis direction of the rotating shaft, first inner cavities are formed in the first carbon ribbon rotating piece and the second carbon ribbon rotating piece, torsion spring assemblies sleeved on the rotating shaft are arranged in the two first inner cavities, one ends of the two torsion spring assemblies are fixed on the rotating shaft, and the other ends of the two torsion spring assemblies are fixed in the first inner cavities.
Further, first carbon ribbon rotates the piece and includes first axis of rotation, first axis of rotation is kept away from the one end that second carbon ribbon rotated the piece is provided with the carbon ribbon baffle.
Furthermore, the carbon ribbon supply device further comprises a carbon ribbon rotation speed sensor, one end, far away from the first rotation shaft, of the carbon ribbon baffle is provided with an induction patch matched with the carbon ribbon rotation speed sensor, and the induction patch is located between the carbon ribbon rotation speed sensor and the carbon ribbon baffle.
Further, the carbon ribbon baffle is sleeved on the rotating shaft.
Further, the interval between the induction part of the carbon ribbon rotation speed sensor and the induction patch is 1 mm.
Further, the second carbon ribbon rotating piece is abutted to one end of the first carbon ribbon rotating piece.
Further, the second carbon ribbon rotates the piece and keeps away from the one end that first carbon ribbon rotated the piece is opened there is the second inner chamber, follow in the second inner chamber the axial symmetry of pivot is provided with two fixed lugs, the pivot is close to one of second carbon ribbon rotates the piece is served and is provided with breach and stop screw, two fixed lugs set up on the breach, the stop screw butt in the breach reaches on two fixed lugs.
Further, the torsional spring subassembly is including all cup jointing epaxial jump ring and torsional spring of pivot, the one end of torsional spring is fixed on the jump ring, the other end is fixed in first inner chamber.
Furthermore, the first carbon ribbon rotating part and the second carbon ribbon rotating part are both provided with elastic lugs.
The utility model also provides a printer which comprises the carbon ribbon supply device.
The utility model has the beneficial effects that:
compared with the defects of the prior art, the split type arrangement of the first carbon ribbon rotating part and the second carbon ribbon rotating part can reduce the damping when a carbon ribbon with a small paper width is used, so that flexible rotation is realized, the torsion spring assembly is arranged to play a reverse tensioning role on the carbon ribbon, so that the condition that the carbon ribbon is not folded when being supplied is ensured, and the carbon ribbon supply device has the advantages of difficulty in folding, good adaptability and capability of reducing the damping.
Furthermore, the sensing part of the carbon ribbon speed sensor and the interval between the sensing patches are 1mm, so that the carbon ribbon speed sensor has a good sensing effect.
Furthermore, through the two fixed lugs, the notch and the limiting screw, the second carbon ribbon rotating part can be well fixed on the rotating shaft.
Further, the carbon ribbon is placed first carbon ribbon rotates the piece and during the second carbon ribbon rotates the piece, through elastic convex block's setting can firmly install the carbon ribbon to effectual fixed carbon ribbon.
Because the carbon ribbon feeding mechanism pass through first carbon ribbon rotate the piece and the split type setting that the second carbon ribbon rotated the piece can reduce the damping when using the wide carbon ribbon of less paper to realize nimble rotation, torsional spring subassembly set up and play reverse taut effect to the carbon ribbon, thereby guarantee that the condition of fold can not appear in the carbon ribbon when the supply, make the printer have difficult fold, adaptability is good and can reduce damped advantage.
Drawings
Fig. 1 is a schematic perspective view of a ribbon supply apparatus;
fig. 2 is a schematic plan view of a ribbon supply apparatus;
fig. 3 is a sectional view of a carbon ribbon supply apparatus;
FIG. 4 is an exploded view of a carbon ribbon supply;
FIG. 5 is a schematic plan view of another perspective of the ribbon supply apparatus;
FIG. 6 is a schematic plan view of the arrangement of the carbon ribbon supply apparatus when installed;
FIG. 7 is a cross-sectional view of FIG. 6;
FIG. 8 is a schematic perspective view of the ribbon supply apparatus during installation;
fig. 9 is a schematic perspective view of another perspective view of the carbon ribbon supply apparatus when installed.
The reference numbers are as follows:
1. a rotating shaft; 2. a first ribbon rotating member; 3. a second ribbon rotating member; 5. a first lumen; 6. a torsion spring assembly; 7. a first rotating shaft; 8. a carbon ribbon baffle; 9. a carbon ribbon rotation speed sensor; 10. sensing a patch; 11. a second lumen; 12. fixing the bump; 14. a limiting screw; 16. a clamp spring; 17. a torsion spring; 18. an elastic bump; 20. a carbon ribbon.
Detailed Description
As shown in fig. 1 to 9, in this embodiment, the present invention includes a rotating shaft 1, a first carbon ribbon rotating member 2 and a second carbon ribbon rotating member 3 are sleeved on the rotating shaft 1, the first carbon ribbon rotating member 2 and the second carbon ribbon rotating member 3 are distributed along an axial direction of the rotating shaft 1, first inner cavities 5 are respectively formed in the first carbon ribbon rotating member 2 and the second carbon ribbon rotating member 3, torsion spring assemblies 6 sleeved on the rotating shaft 1 are respectively disposed in the two first inner cavities 5, one end of each of the two torsion spring assemblies 6 is fixed on the rotating shaft 1, and the other end of each of the two torsion spring assemblies 6 is fixed in the first inner cavity 5. First carbon ribbon rotates piece 2 and can place the wide less than or equal to 2 cun carbon ribbons of paper, first carbon ribbon rotates piece 2 and second carbon ribbon rotates piece 3 and can place the wide carbon ribbon between 3 cun to 4 cun of paper.
Compared with the defects of the prior art, in the utility model, when in use, the carbon ribbon 20 is placed on the first carbon ribbon rotating part 2 and the second carbon ribbon rotating part 3, when the carbon ribbon 20 is transported, the first carbon ribbon rotating part 2 and the second carbon ribbon rotating part 3 simultaneously rotate clockwise, and in the process, the torsion spring assembly 6 plays a role of reversely tensioning the carbon ribbon 20, so that the carbon ribbon 20 is ensured not to be wrinkled during supply; when the paper width of the carbon ribbon 20 is small, the carbon ribbon is only required to be placed on the first carbon ribbon rotating part 2, so that the carbon ribbon 20 is supplied without the need of simultaneously rotating the first carbon ribbon rotating part 2 and the second carbon ribbon rotating part 3, and only the first carbon ribbon rotating part 2 is required to rotate, and therefore, the damping of the carbon ribbon 20 with the small paper width during rotation is reduced, and the first carbon ribbon rotating part 2 can flexibly rotate; when 20 width of carbon ribbon is great, pass through promptly first carbon ribbon rotates piece 2 and second carbon ribbon rotates piece 3 and carries out the carbon ribbon supply, consequently, through first carbon ribbon rotates piece 2 and the split type setting that second carbon ribbon rotated piece 3 can reduce the damping when using the wide carbon ribbon of less paper to realize nimble rotation, torsional spring subassembly 6 sets up and plays reverse taut effect to carbon ribbon 20, thereby guarantees that the condition of fold can not appear when the supply in carbon ribbon 20, makes carbon ribbon feeding mechanism have difficult fold, adaptability is good and can reduce the damped advantage.
In this embodiment, the first carbon ribbon rotating member 2 includes a first rotating shaft 7, and a carbon ribbon baffle 8 is disposed at an end of the first rotating shaft 7 away from the second carbon ribbon rotating member 3. When the carbon ribbon 20 is placed on the first carbon ribbon rotating member 2, it will abut against the carbon ribbon baffle 8.
In this embodiment, the carbon ribbon supply device further includes a carbon ribbon rotation speed sensor 9, an induction patch 10 matched with the carbon ribbon rotation speed sensor 9 is disposed at one end of the carbon ribbon baffle 8 far away from the first rotation shaft 7, and the induction patch 10 is located between the carbon ribbon rotation speed sensor 9 and the carbon ribbon baffle 8. The sensing patch 10 rotates simultaneously with the carbon ribbon baffle 8, and the carbon ribbon rotation speed sensor 9 is aligned with the pattern of the sensing patch 10, so that the rotation condition of the first carbon ribbon rotating part 2 is identified; when the carbon ribbon rotation speed sensor 9 senses that the pattern of the sensing patch 10 stops rotating, an error alarm is given.
In this embodiment, the carbon ribbon baffle 8 is sleeved on the rotating shaft 1.
In this embodiment, the distance between the sensing part of the carbon ribbon rotation speed sensor 9 and the sensing patch 10 is 1 mm. The interval between the induction part of the carbon ribbon revolution speed sensor 9 and the induction patch 10 is 1mm, so that the carbon ribbon revolution speed sensor 9 has a good induction effect.
In this embodiment, the second carbon ribbon rotating member 3 abuts against one end of the first carbon ribbon rotating member 2.
In this embodiment, the second carbon ribbon rotates piece 3 and keeps away from the one end that first carbon ribbon rotated piece 2 is opened there is second inner chamber 11, follow in the second inner chamber 11 the axial symmetry of pivot 1 is provided with two fixed lugs 12, pivot 1 is close to one of second carbon ribbon rotates piece 3 is served and is provided with breach and stop screw 14, two fixed lugs 12 set up on the breach, stop screw 14 butt in the breach reaches on two fixed lugs 12. Through the two fixing convex blocks 12, the notch and the limiting screw 14, the second carbon ribbon rotating part 3 can be well fixed on the rotating shaft 1.
In this embodiment, the torsion spring assembly 6 includes the jump ring 16 and the torsion spring 17 that all cup joint on the pivot 1, the one end of torsion spring 17 is fixed on jump ring 16, the other end is fixed in first inner chamber 5.
In this embodiment, the first carbon ribbon rotating member 2 and the second carbon ribbon rotating member 3 are both provided with elastic protrusions 18. The carbon ribbon 20 is placed when the first carbon ribbon rotates 2 and the second carbon ribbon rotates 3, the carbon ribbon 20 can be firmly installed through the arrangement of the elastic lug 18, and therefore the carbon ribbon is effectively fixed.
A printer comprises the carbon ribbon supply device. Because the carbon ribbon feeding mechanism pass through first carbon ribbon rotate 2 and the split type setting that the second carbon ribbon rotated 3 can reduce the damping when using the wide carbon ribbon of less paper to realize nimble rotation, torsional spring subassembly 6 sets up and plays reverse taut effect to carbon ribbon 20, thereby guarantees that the condition of fold can not appear when the supply in carbon ribbon 20, makes the printer have difficult fold, adaptability is good and can reduce damped advantage.
While the embodiments of the present invention have been described in terms of practical embodiments, they are not to be construed as limiting the meaning of the present invention, and modifications of the embodiments and combinations with other embodiments will be apparent to those skilled in the art in light of the present description.
Claims (10)
1. A ribbon supply apparatus, characterized by: it includes pivot (1), it rotates piece (2) and second carbon ribbon rotation piece (3) to have cup jointed first carbon ribbon on pivot (1), just first carbon ribbon rotates piece (2) and second carbon ribbon rotates piece (3) edge the axis direction of pivot (1) distributes, first carbon ribbon rotates piece (2) and first inner chamber (5), two have all been opened in second carbon ribbon rotation piece (3) all be provided with in first inner chamber (5) and cup joint torsional spring subassembly (6), two on pivot (1) the one end of torsional spring subassembly (6) is all fixed on pivot (1), the other end is all fixed in first inner chamber (5).
2. The ribbon supply apparatus according to claim 1, wherein: the first carbon ribbon rotating piece (2) comprises a first rotating shaft (7), and one end, away from the second carbon ribbon rotating piece (3), of the first rotating shaft (7) is provided with a carbon ribbon baffle (8).
3. The ribbon supply apparatus according to claim 2, wherein: the carbon ribbon supply device further comprises a carbon ribbon rotating speed sensor (9), one end, far away from the first rotating shaft (7), of the carbon ribbon baffle (8) is provided with an induction patch (10) matched with the carbon ribbon rotating speed sensor (9), and the induction patch (10) is located between the carbon ribbon rotating speed sensor (9) and the carbon ribbon baffle (8).
4. The ribbon supply apparatus according to claim 2, wherein: the carbon ribbon baffle (8) is sleeved on the rotating shaft (1).
5. The ribbon supply apparatus according to claim 3, wherein: the distance between the sensing part of the carbon ribbon rotation speed sensor (9) and the sensing patch (10) is 1 mm.
6. The ribbon supply apparatus according to claim 2, wherein: the second carbon ribbon rotating piece (3) is abutted to one end of the first carbon ribbon rotating piece (2).
7. The ribbon supply apparatus according to claim 1, wherein: the second carbon ribbon rotates piece (3) and keeps away from the one end that first carbon ribbon rotated piece (2) is opened has second inner chamber (11), follow in second inner chamber (11) the axial symmetry of pivot (1) is provided with two fixed lug (12), pivot (1) is close to one of second carbon ribbon rotates piece (3) is served and is provided with breach and stop screw (14), two fixed lug (12) set up on the breach, stop screw (14) butt in the breach reaches on two fixed lug (12).
8. The ribbon supply apparatus according to claim 1, wherein: torsional spring subassembly (6) are including all cup jointing jump ring (16) and torsional spring (17) on pivot (1), the one end of torsional spring (17) is fixed on jump ring (16), and the other end is fixed in first inner chamber (5).
9. The ribbon supply apparatus according to claim 1, wherein: the first carbon ribbon rotating piece (2) and the second carbon ribbon rotating piece (3) are both provided with elastic convex blocks (18).
10. A printer, characterized by: comprising a carbon ribbon supply as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123006560.2U CN216860992U (en) | 2021-12-01 | 2021-12-01 | Carbon ribbon supply device and printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123006560.2U CN216860992U (en) | 2021-12-01 | 2021-12-01 | Carbon ribbon supply device and printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216860992U true CN216860992U (en) | 2022-07-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123006560.2U Active CN216860992U (en) | 2021-12-01 | 2021-12-01 | Carbon ribbon supply device and printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216860992U (en) |
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2021
- 2021-12-01 CN CN202123006560.2U patent/CN216860992U/en active Active
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