CN218928984U - Printer capable of ensuring tension stability of ribbon cartridge - Google Patents

Abstract

A printer capable of ensuring tension stability of a ribbon cartridge comprises a cartridge body, a cover, the ribbon cartridge, a printing paper roll and a tension structure, wherein the tension structure comprises guide posts and foam. The feeding roller and the receiving roller of the ribbon cassette are respectively arranged in the cassette, the ribbon on the feeding roller passes through foam, the receiving roller is used for receiving the ribbon, after the ribbon cassette is arranged, the guide pillar is inserted into the first limiting hole in the cassette, so that the ribbon is clamped together with the foam, the printing paper roll is arranged in the cassette, and the cover is covered. In the whole printing process, the ink ribbon is completely clamped due to the fact that the foam and the guide post are always in the transverse direction of the ink ribbon, so that stability of tension of the ink ribbon and accuracy of a conveying position of the ink ribbon are guaranteed, the use ratio and the service life of the ink ribbon are greatly improved, and printing efficiency and printing quality of the printer are guaranteed.

Description

Printer capable of ensuring tension stability of ribbon cartridge

Technical Field

The utility model relates to the field of printers, in particular to a printer capable of guaranteeing stable tension of a ribbon cartridge.

Background

The label printer used in the existing market is easy to have the conditions of negligence and instability of the tension of the ribbon in the use process, thereby seriously affecting the experience of the user product.

When the tension of the ribbon in the ribbon cartridge is overlarge, offset wrinkling phenomenon occurs in the printing process, and the phenomenon of unclear blushing, even missing printing or misprinting occurs in the printing fonts, so that the printing quality is poor, the ribbon loss is large, and the printing cost is increased; when the tension of the ribbon in the ribbon cartridge is too high, the ribbon is easily broken, so that printing cannot be successfully completed.

Therefore, there is a need to design a tension structure that can ensure stable conveyance of the ribbon, thereby improving the printing efficiency and printing quality of the printer.

Disclosure of Invention

The utility model aims to: the utility model aims to provide a printer capable of ensuring the tension stability of a ribbon cartridge, and solves the problem that the tension of the ribbon cartridge is unstable during printing.

The technical scheme is as follows: the utility model provides a printer capable of guaranteeing stable tension of a ribbon cassette, which comprises a cassette body, a cover, a ribbon cassette, a printing paper roll and a tension structure, wherein the tension structure comprises a guide post and foam, a first limiting hole is formed in the cassette body, a second limiting hole is formed in the cover, and two ends of the guide post are respectively arranged in the first limiting hole and the second limiting hole; the box body is internally provided with a mounting plate, and one side of the foam is adhered to the mounting plate of the box body. The feeding roller and the receiving roller of the ribbon cassette are respectively arranged in the cassette, the ribbon on the feeding roller passes through foam, the receiving roller is used for receiving the ribbon, after the ribbon cassette is arranged, the guide pillar is inserted into the first limiting hole in the cassette, so that the ribbon is clamped together with the foam, the printing paper roll is arranged in the cassette, and the cover is covered. In the whole printing process, the color ribbon is always clamped by the foam and the guide post, namely, the color ribbon is always in a tight state, so that the stability of the tension of the color ribbon is ensured; in addition, the foam and the guide post are completely clamped from the transverse direction of the color ribbon, namely, the color ribbon conveying position is well limited, and the phenomenon of offset wrinkling of the position in the color ribbon conveying process is effectively avoided.

Furthermore, the guide post is tightly matched with one side of the foam and the color ribbon. Thereby ensuring that the guide post and the foam have certain pressing force on the color ribbon.

Furthermore, the interference between the guide post and the foam is 0.5 mm-1 mm. The interference between the guide post and the foam is adjusted by adjusting the thickness of the foam, so that the pressing force of the foam to the color ribbon is adjusted, and the device is suitable for pressing different types of color ribbons.

Furthermore, the guide post is made of PA, PA, POM, PMMA and other materials with excellent self-lubricating property. The guide pillar is convenient to install, and damage to the surface of the ribbon is avoided, so that the situation that the printing effect is poor or the ribbon is damaged is avoided.

Furthermore, the foam is made of PE foam or PU foam which is smooth in contact surface with the color ribbon and is not easy to deform. The contact surface of the foam is smooth, and the damage to the surface of the color ribbon can be avoided, so that the condition of poor printing effect or damaged color ribbon is avoided; and the uniformity and stability of the clamping force of the foam to the ribbon in the printing process are effectively ensured due to the fact that the foam is not easy to deform.

Further, the first limiting hole is further provided with a guide plate, and one side, close to the discharging of the color ribbon, of the guide plate is provided with an arc-shaped surface. The guide plate plays a guide limiting role in the installation of the guide post. The arcwall face sets up, effectively avoids appearing cutting and rubbing the condition at the typewriter ribbon conveying in-process to damage the typewriter ribbon, influence printing quality.

Further, the side of the mounting plate is provided with a limiting boss, and one side, close to the discharging of the color ribbon, of the limiting boss is provided with an arc-shaped surface. The limiting boss plays a limiting role in the installation of foam. The arcwall face sets up, effectively avoids appearing cutting and rubbing the condition at the typewriter ribbon conveying in-process to damage the typewriter ribbon, influence printing quality.

The technical scheme can be seen that the utility model has the following beneficial effects: 1) By installing the tension structure, the stability of tension control of the ribbon in the printing process of the ribbon cassette is improved, the use ratio of the ribbon and the service life of the ribbon are improved, and the printing efficiency and the printing quality of the whole printer are improved; 2) The tension structure comprises the guide post and foam, and has the advantages of simple structure, convenient installation, low cost and wide applicability.

Drawings

FIG. 1 is an exploded perspective view of the present utility model;

FIG. 2 is a perspective view of the cartridge;

FIG. 3 is a perspective view of the lid;

FIG. 4 is a graph of a test of ribbon tension without a tension structure installed on the printer;

fig. 5 is a graph of a test of ribbon tension with the printer installed with a tension structure.

In the figure: the ink cartridge comprises a cartridge body 1, a first limiting hole 11, a guide plate 111, a mounting plate 12, a limiting boss 121, a cover 2, a second limiting hole 21, a cartridge ribbon 3, a feeding roller 31, a receiving roller 32, a ribbon 33, a printing paper roll 4, a guide post 5 and foam 6.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Example 1

The utility model is shown in fig. 1, which is an exploded perspective view of the utility model, comprising a box body 1, a cover 2, a ribbon 3 with a box, a printing paper roll 4 and a tension structure, wherein the tension structure comprises a guide post 5 and foam 6, the box body 1 is shown in fig. 2, a first limiting hole 11 is arranged in the box body, the cover 2 is shown in fig. 3, a second limiting hole 21 is arranged on the cover, and two ends of the guide post 5 are respectively arranged in the first limiting hole 11 and the second limiting hole 21; the box body 1 is internally provided with a mounting plate 12, and one side of the foam 6 is adhered to the mounting plate 12 of the box body 1.

The guide post 5 is tightly matched with the side contacted with the foam 6 and the color ribbon 33. (thereby ensuring that the guide post 5 and the foam 6 have a certain pressing force on the color belt 33.)

The interference between the guide post 5 and the foam 6 is 0.5 mm-1 mm. The interference between the guide post 5 and the foam 6 is adjusted by adjusting the thickness of the foam 6, so that the pressing force of the foam on the color belt 33 is adjusted.

The guide post 5 is made of PA6, PA66, POM, PMMA and other materials with excellent self-lubricating property. The guide post 5 is convenient to install, and meanwhile, damage to the surface of the ribbon is avoided, so that the situation that the printing effect is poor or the ribbon is damaged is avoided.

The foam 6 is made of PE foam or PU foam which is smooth in contact surface with the color ribbon and is not easy to deform. The contact surface of the foam 6 is smooth, so that the damage to the surface of the color ribbon can be avoided, and the conditions of poor printing effect or damaged color ribbon are avoided; and the uniformity and stability of the clamping force of the foam 5 to the color ribbon in the printing process are effectively ensured due to the fact that the foam is not easy to deform.

Example two

The second embodiment is substantially the same as the first embodiment, except that,

the first limiting hole 11 is further provided with a guide plate 111, and one side, close to the discharging of the color ribbon, of the guide plate 111 is provided with an arc-shaped surface. The guide plate 111 plays a guiding and limiting role for the installation of the guide post 5. The arcwall face sets up, effectively avoids appearing cutting and rubbing the condition at the typewriter ribbon conveying in-process to damage the typewriter ribbon, influence printing quality.

The side of the mounting plate 12 is provided with a limiting boss 121, and one side of the limiting boss 121, which is close to the discharging of the color ribbon, is provided with an arc-shaped surface. The limiting boss 121 plays a limiting role in mounting the foam 6. The arcwall face sets up, effectively avoids appearing cutting and rubbing the condition at the typewriter ribbon conveying in-process to damage the typewriter ribbon, influence printing quality.

The installation process of the utility model comprises the following steps:

1) Attaching foam 6 to mounting plate 12;

2) Installing a ribbon cassette 3, respectively installing a feeding roller 31 and a receiving roller 32 of the ribbon cassette 3 in the cassette 1, enabling a ribbon 33 on the feeding roller 31 to pass through the foam 6, and receiving materials through the receiving roller 32 along a guide plate in the cassette 1;

3) The guide post 5 is inserted into the first limiting hole 11 in the box body 1 along the guide plate 111 so as to clamp the color ribbon together with the foam 6;

4) Installing the printing paper roll 4 into the box body 1;

5) The cover 2 is covered.

In the whole printing process, the ribbon 33 is always clamped by the foam 6 and the guide post 5, namely the ribbon 33 is always in a tight state, so that the stability of the tension of the ribbon is ensured.

Example III

The third embodiment is the same as the first embodiment, except that,

in this embodiment, the guide post 5 is made of PA6 material, and its diameter is 2mm; the foam 6 is PE foam with the thickness of 1.85mm; and the interference between the guide post 5 and the foam 6 is 0.85mm.

The printer was tested for ribbon tension without and with the tension structure installed. The testing method adopts a tensile testing machine and a related fixture, and pulls out the ribbon vertically upwards (simulates the trend of the ribbon), the pulling-out distance is 200mm, the constant speed is 300mm/min, and the constant tensile force is 10N.

As shown in fig. 4, which is a graph of the tension of the ribbon when the printer is not provided with the tension structure, the fluctuation of the tension of the ribbon is larger, the maximum value is 1.29N, the minimum value is 0.39N, and the average value is 0.83N;

as shown in fig. 5, which is a graph of the tension of the ribbon when the printer is provided with the tension structure, the tension of the ribbon has a relatively smooth curve with a maximum value of 1.24N, a minimum value of 0.95N, and an average value of 1.1N.

Therefore, the tension structure is arranged, so that the stability of the tension of the ribbon in the printer is greatly improved, the utilization rate and the service life of the ribbon box are improved, and the printing effect and the printing quality of the printer are improved.

The foregoing is merely a preferred embodiment of the utility model, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the utility model, which modifications would also be considered to be within the scope of the utility model.

Claims (7)

1. The utility model provides a can guarantee printer of tape cassette typewriter ribbon tension stability, includes box body (1), lid (2), tape cassette typewriter ribbon (3), prints scroll (4), its characterized in that: the device also comprises a tension structure, wherein the tension structure comprises a guide post (5) and foam (6); a first limiting hole (11) is formed in the box body (1), a second limiting hole (21) is formed in the cover (2), and two ends of the guide post (5) are respectively arranged in the first limiting hole (11) and the second limiting hole (21); the box body (1) is internally provided with a mounting plate (12), and one side of the foam (6) is adhered to the mounting plate (12) of the box body (1).

2. The printer of claim 1, wherein the cassette ribbon tension is stabilized by: the guide post (5) is tightly matched with one side of the foam (6) contacted with the color ribbon.

3. A printer for ensuring tension stability in a ribbon cartridge as defined in claim 2, wherein: the interference between the guide post (5) and the foam (6) is 0.5 mm-1 mm.

4. A printer for ensuring tension stability in a ribbon cartridge as defined in claim 3, wherein: the guide post (5) is made of PA6, PA66, POM and PMMA with excellent self-lubricating property.

5. The printer of claim 4, wherein the tension of the ribbon in the cassette is stabilized, and wherein: the foam (6) is made of PE foam or PU foam which is smooth in contact surface with the color ribbon and is not easy to deform.

6. The printer of claim 1, wherein the cassette ribbon tension is stabilized by: the first limiting hole (11) is also provided with a guide plate (111), and one side of the guide plate (111) close to the discharging of the color ribbon is provided with an arc-shaped surface.

7. The printer of claim 1, wherein the cassette ribbon tension is stabilized by: the side of the mounting plate (12) is provided with a limiting boss (121), and one side of the limiting boss (121) close to the discharging of the color ribbon is provided with an arc-shaped surface.

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