CN100460221C - Ink-ribbon transfer device capable of fixing rotary roller - Google Patents

Abstract

The present invention is one ink ribbon conveyer with one fixed rotation shaft, and the ink ribbon conveyer includes one ink ribbon cassette, two rotation shafts and two fixtures. These two fixtures are mounted on two sides of one rotation shaft and penetrated through the rotation shaft and the ink ribbon cassette so as to fix the rotation shaft and the ink ribbon cassette relatively. Owing to the fixtures, the ink ribbon conveyer of the present invention can avoid the rotation of the shaft caused by external forces during transportation and prevent the loosening of the ink ribbon wound onto the shaft and the exposure of the ink ribbon cassette.

Description

Ink-ribbon transfer device capable of fixing rotary roller

Technical field

The present invention relates to a kind of colour band transmitting device, particularly relate to a kind of ink-ribbon transfer device capable of fixing rotary roller.

Background technology

For existing colour band transmitting device, owing in the process of transporting, is used for driving the rotating shaft of transmitting colour band and is not suitably fixed, so rotating shaft is easy to because of external force, as the vibrations in the transportation or other vibrations that can't expect, and rotate with respect to color ribbon cartridge.Like this then rotating shaft very easily drives volume colour band thereon, and the part of colour band is launched, even colour band is got loose and exposes outside the color ribbon cartridge.In addition, also easily that colour band is produced is crooked because of similar reason for existing colour band transmitting device, though the position deviation of colour band in rotating shaft the position of presetting.When ink ribbon, rotating shaft will drive colour band in the mode of rotating and be moved by the feed end of the rotating shaft recovery end toward rotating shaft, if colour band is crooked, then the part that colour band launched will very easily produce the gauffer of varying degree, thereby the quality printed of influence significantly.Moreover touching also very easily takes place with color ribbon cartridge itself or interferes with each other in crooked colour band, so colour band very easily is stuck in the color ribbon cartridge, and rotating shaft can't drag the colour band that is blocked by color ribbon cartridge, cause printer can't normal operation with print failure.

Fig. 1 is the schematic diagram of existing colour band transmitting device 100 and colour band 101, and wherein colour band 101 does not produce crooked or gauffer because of any external force factor.Colour band transmitting device 100 comprises a color ribbon cartridge 103, one first rotating shafts 105, and one second rotating shaft 107.Wherein first rotating shaft 105 is installed on the feed end of color ribbon cartridge 103,107 recovery end that are installed on color ribbon cartridge 103 in rotating mode of second rotating shaft in rotating mode; First rotating shaft 105 and second rotating shaft 107 are used for driving transmission colour band 101 in the mode of rotating.On the implementation, a normal end of colour band 101 is pasted with an adhesive tape 109 is fixed in second rotating shaft 107, so that second rotating shaft 107 can drive volume colour band 101 thereon smoothly.

Fig. 2 is the schematic diagram of existing colour band transmitting device 100 and colour band 101, and wherein the position of colour band 101 in first rotating shaft 105 is crooked because of external force, thereby the part 1011 that makes colour band 101 launch produces gauffers.Therefore, if the colour band 101 of existing thermal transfer printer is crooked and gauffer arranged as shown in Figure 2, when first rotating shaft 105 and second rotating shaft 107 drive when transmitting colour bands 101, by the colour band 101 of hot transfer printing with non-smooth and have a gauffer, the quality of printing can descend, even makes the mistake.

Fig. 3 is the schematic diagram of existing colour band transmitting device 100, wherein colour band 101 is owing to taken place crooked, be offset default originally position, therefore when rotating shaft 105 and 107 drives transmission colour band 101 in the mode of rotating, the crooked situation of colour band 101 can be more and more serious, not only gauffer can appear in the part 1011 of colour band 101 expansion, even last colour band 101 can be blocked by color ribbon cartridge 103; If the rotating shaft of feed end is rotated and colour band 101 is produced, but the rotating shaft of recovery end can't drag colour band 101 to be involved in recovery end because of colour band 101 has been stuck, then may cause part colour band 101 to get loose to color ribbon cartridge 103.

Fig. 4 is the part side view of existing colour band transmitting device 100.As shown in Figure 4, owing to the rotating shaft of feed end is rotated colour band 101 is produced, but the rotating shaft of recovery end can't drag the jammed part of colour band, thereby causes the part 1013 of colour band 101 to get loose, and the part 1013 that makes colour band 101 get loose has at last been exposed outside the color ribbon cartridge 103.

As from the foregoing, existing colour band transmitting device is not because of being prevented with regard to the unexpected action between transportation shaft and colour band, and the problem when therefore often causing the subsequent thermal Transfer ribbon makes print quality descend.

Summary of the invention

Therefore the invention provides a kind of ink-ribbon transfer device capable of fixing rotary roller, to solve the problem that colour band was met with that above-mentioned relevant existing colour band transmitting device includes.

The present invention discloses a kind of ink-ribbon transfer device capable of fixing rotary roller, it comprises a color ribbon cartridge, be located at one or two rotating shafts on this color ribbon cartridge, and respectively with run through color ribbon cartridge and wherein the mode of the shaft circumference both sides that are arranged at this rotating shaft fix two fixtures of this rotating shaft and this color ribbon cartridge.Wherein this two fixture is used for fixing the relative position of this rotating shaft and this color ribbon cartridge.

Description of drawings

Fig. 1 is the schematic diagram of an existing colour band transmitting device and a non-wrinkled colour band;

Fig. 2 is the colour band schematic diagram of an existing colour band transmitting device and a tool gauffer;

Fig. 3 is the schematic diagram of the colour band of existing colour band transmitting device and a tool gauffer and skew predeterminated position;

Fig. 4 is the colour band transmitting device shown in Figure 3 and the part side view of colour band;

Fig. 5 disposes the part stereogram of two fixtures for colour band transmitting device of the present invention;

Fig. 6 disposes the front view of two fixtures for the colour band transmitting device of Fig. 5;

Fig. 7 is the side view that the colour band transmitting device configuration two of Fig. 6 is fixed.

The specific embodiment

Fig. 5 is the part stereogram of colour band transmitting device 200 configuration two fixtures 213 of the present invention and 215, and wherein a colour band 201 is wound in first rotating shaft 205 of colour band transmitting device 200.Colour band transmitting device 200 of the present invention comprises a color ribbon cartridge 203, one first rotating shafts 205, one second rotating shafts 207 (not showing on Fig. 5), dismountable first fixture 213, and dismountable second fixture 215.Please note, in order clearly to illustrate the position that two fixtures 213 and 215 are installed on colour band transmitting device 200, Fig. 5 is the part of the outstanding tape transport system 200 of icon only, and two fixtures 213 and 215 are installed on the colour band transmitting device 200 in the mode that runs through as shown in Figure 5.The detailed structure of colour band transmitting device 200 of the present invention will be described in detail in the front view of Fig. 6.

Fig. 6 is colour band transmitting device 200 configuration two fixtures 213 of Fig. 5 and 215 front view.One colour band 201 is wound in first rotating shaft 205 and second rotating shaft 207 (not showing among Fig. 6 figure) of colour band transmitting device 200.Colour band transmitting device 200 of the present invention in hot transfer process, drives the transmission of colour band as existing design with the rotation of two rotating shafts.Yet, as previously mentioned, as transport in the process or beginning transfer printing function before, we wish the fixedly rotating shaft of colour band transmitting device, and it can't be rotated, to avoid taking place the problem that foregoing colour band is crooked or get loose.Therefore, as shown in Figure 6, the present invention with first fixture 213 and second fixture 215 to run through the mode of the color ribbon cartridge 203 and first rotating shaft 205, be installed on the both sides of first rotating shaft 203, to fix the relative position of first rotating shaft 205 and color ribbon cartridge 203, the rotation that has promptly limited first rotating shaft 205 is with mobile.First fixture 213 and second fixture 215 are because through color ribbon cartridge 203 and first rotating shaft, 205 events, thereby can be used to first rotating shaft 205 is fixed on the color ribbon cartridge 203, make first rotating shaft 205 be fixed by first fixture 213 and second fixture 215 and can't rotate; Therefore compare with existing colour band transmitting device 100, when influencing when the generation vibrations or by other unpredictable external force, therefore first rotating shaft 205 that colour band transmitting device 200 of the present invention comprised will can not rotate or be offset, twist in first rotating shaft 205 colour band 201 also not can by the unexpected rotation of first rotating shaft 205 and move drive and take place crooked, get loose, or be exposed to outside the color ribbon cartridge 203.In addition, the hatching 7 through second fixture 215 is the datum line of the side view institute foundation of Fig. 7 among Fig. 6.

Fig. 7 is colour band transmitting device 200 configuration two fixtures 213 of Fig. 6 and 215 side view, and wherein a colour band 201 is wound on first rotating shaft 205 and second rotating shaft 207 of colour band transmitting device 200.And as previously mentioned, Fig. 7 is the datum line of its visual angle institute foundation with the hatching 7 through second fixture 215 among Fig. 6, so not shown first fixture 213 among Fig. 7.As shown in Figure 7, second fixture 215 is through the color ribbon cartridge 203 and first rotating shaft 205, and therefore first rotating shaft 205 is fixed on the color ribbon cartridge 203 and can't moves and rotate.

Among Fig. 6 and Fig. 7, first fixture 213 and the set position of second fixture 215, for can be in the both sides and the colour band 201 contacted positions of first rotating shaft 205, or the part in the outside slightly again.Thus, first fixture 213 and second fixture 215 beyond making it to move and to rotate with respect to color ribbon cartridge 203 generations, still can limit the position of colour band 201 in first rotating shaft 205 except fixing first rotating shaft 205 in a fixed range; Therefore the transporting in the process of thermal transfer printer, the direction that colour band 201 launches between second rotating shaft 207 and first rotating shaft 205 and be fixed with the angle of Print direction is related.The colour band 201 of the direction that is fixed is not easy to produce crooked, the part that colour band 201 launches thereby be difficult for producing gauffer or be involved in by color ribbon cartridge 203 and stuck; Print quality thereby ensured.

For the color ribbon cartridge avoiding the colour band transmitting device and comprise in the process of transporting, because of vibrations, factor such as centrifugal force or improper external force, cause the rotation of first rotating shaft generation with respect to color ribbon cartridge, and and then that colour band is produced is crooked, get loose, or situation about being blocked by color ribbon cartridge, the both sides of one rotating shaft of colour band transmitting device of the present invention install two detachable fixtures through first rotating shaft and color ribbon cartridge additional, so that being fixed on the color ribbon cartridge, this rotating shaft can't produce moving and rotating with respect to color ribbon cartridge, twist in the colour band in this rotating shaft thereby can not caused generation crooked by drive, get loose or by situations such as color ribbon cartridge block, and then avoided in the prior art, the colour band transmitting device is owing to shortcoming that can't the rotation of fixed rotating shaft derives in non-print procedure.In addition, two fixtures proposed by the invention in the both sides of rotating shaft are and color space one suitable distance, with the fixing direction between two rotating shafts, launched of colour band effectively, and and then the crooked degree of restriction colour band, to improve the shortcoming that colour band that existing colour band transmitting device includes easily produces crooked phenomenon.When the surface of the fixing then colour band deploying portion of colour band expansion direction is difficult for producing gauffer, print quality thereby be protected.

The above only is preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.

Claims (7)

1. ink-ribbon transfer device capable of fixing rotary roller, it comprises:

One color ribbon cartridge;

One first rotating shaft is located on this color ribbon cartridge;

One second rotating shaft is located on this color ribbon cartridge;

One first fixture is arranged at first side of this first rotating shaft in the mode that runs through described color ribbon cartridge and described first shaft circumference, and fixes the relative position of this first rotating shaft and this color ribbon cartridge; And

One second fixture is arranged at second side of this first rotating shaft in the mode that runs through described color ribbon cartridge and described first shaft circumference, and fixes the relative position of this first rotating shaft and this color ribbon cartridge.

2. colour band transmitting device as claimed in claim 1 wherein twines a colour band in this first rotating shaft and this second rotating shaft.

3. colour band transmitting device as claimed in claim 2, wherein this first fixture and this second fixture are used for fixing the position of this colour band in this first rotating shaft in addition.

4. colour band transmitting device as claimed in claim 2, wherein this first fixture contacts this colour band and is positioned at part in this first rotating shaft with this second fixture.

5. colour band transmitting device as claimed in claim 1, wherein this first fixture and this second fixture are used for making this first rotating shaft to rotate.

6. colour band transmitting device as claimed in claim 1, wherein this two fixture is installed on the both sides of this first rotating shaft removably.

7. colour band transmitting device as claimed in claim 1, it is the colour band transmitting device of a thermal transfer printer.

Images