CN113459676A - Carbon ribbon adjusting mechanism and thermal transfer printing device - Google Patents

Abstract

The invention relates to a carbon ribbon adjusting mechanism and a thermal transfer printing device, wherein the carbon ribbon adjusting mechanism comprises a supporting plate, wherein one side of the supporting plate is connected with a carbon ribbon shaft; the carbon ribbon shaft adjusting assembly is arranged on one side, far away from the carbon ribbon shaft, of the supporting plate and comprises an adjusting block, the adjusting block is connected with the carbon ribbon shaft through a carbon ribbon shaft limiting hole, and the adjusting block adjusts the position of the carbon ribbon shaft on the supporting plate; the locking and adjusting assembly is arranged on one side, far away from the carbon belt shaft, of the supporting plate and comprises a locking and adjusting seat and an adjusting coded disc, the adjusting coded disc is connected with the supporting plate through the locking and adjusting seat, and the position of the locking and adjusting seat on the supporting plate is adjusted through the adjusting coded disc. The carbon ribbon shaft is adjusted through the carbon ribbon limiting hole, so that the problem that the carbon ribbon shaft is not parallel due to errors in the installation process is solved; the position of the lock catch seat is adjusted by adjusting the coded disc, so that the problem that the upper part and the lower part of the thermal transfer printing machine are not adjustable when connected through the lock catch is solved, and the carbon belt shaft and the upper part and the lower part of the thermal transfer printing equipment are conveniently adjusted to be connected.

Description

Carbon ribbon adjusting mechanism and thermal transfer printing device

Technical Field

The invention relates to the technical field of printing, in particular to a thermal transfer printing device and a thermal transfer printing mechanism.

Background

With the development of the printing industry, the thermal transfer printer has more and more pursuits as a new technology due to the characteristics of wide printing range, vivid color of printed images, simple operation, no environmental pollution and the like, and particularly has obvious advantages in the textile industry. However, the thermal transfer printer often has problems of unclear printing handwriting, easy smear left on a printed carbon ribbon, and the like in use, and further analysis shows that the problems are caused more frequently, for example, when the upper part and the lower part of the thermal transfer printer are buckled in assembly, because the position of the buckle is fixed, an error exists when the upper part and the lower part are buckled, so that components such as a carbon ribbon shaft and a printing head related to a printing assembly are in a non-parallel state or the carbon ribbon is not flat, or in assembly, because the assembly error of the carbon ribbon shaft makes the carbon ribbon shaft in a non-horizontal state, and parts on the whole thermal transfer printer are structurally fixed, so that the installation error of the parts is difficult to adjust.

The current common solution is to improve the precision of the parts and strictly control the tolerance, however, the method is easy to increase the fraction defective of the parts and cause the waste of the cost.

Disclosure of Invention

Accordingly, it is desirable to provide a thermal transfer apparatus and a thermal transfer mechanism for solving the problems of uneven thermal transfer ribbon due to mounting errors or non-parallel thermal transfer ribbon shaft and print head.

A carbon ribbon adjusting mechanism comprises a supporting plate, wherein one side of the supporting plate is connected with a carbon ribbon shaft; the carbon ribbon shaft adjusting assembly is arranged on one side, far away from the carbon ribbon shaft, of the supporting plate and comprises an adjusting block, a carbon ribbon shaft limiting hole is formed in the supporting plate and is arranged along the axial direction perpendicular to the carbon ribbon shaft, the adjusting block is connected with the carbon ribbon shaft through the carbon ribbon shaft limiting hole, and the adjusting block adjusts the position of the carbon ribbon shaft on the supporting plate; the carbon ribbon shaft is arranged on the support plate, the lock catch adjusting component is arranged on one side, far away from the carbon ribbon shaft, of the support plate and comprises a lock catch seat and an adjusting coded disc, a lock catch limiting hole is formed in the support plate and extends in the same direction as the carbon ribbon shaft limiting hole, the lock catch limiting hole is used for limiting movement of the lock catch seat, the adjusting coded disc is connected with the support plate through the lock catch seat, and the adjusting coded disc adjusts the position of the lock catch seat on the support plate.

Furthermore, a coded disc limiting hole is formed in the lock catch seat, the adjusting coded disc is connected with the lock catch seat through the coded disc limiting hole, the coded disc limiting hole is used for limiting movement of the adjusting coded disc, and the carbon ribbon shaft limiting hole, the lock catch limiting hole and the coded disc limiting hole extend in the same direction.

Furthermore, a lock catch connecting piece is arranged on the lock catch seat and passes through the lock catch limiting hole to fix the lock catch seat, a plurality of notches are formed in the adjusting code disc along the circumferential direction, and the notches push against the lock catch connecting piece to move along the lock catch limiting hole.

Furthermore, a plurality of clamping parts are arranged on the adjusting coded disc, a plurality of clamping positions are arranged on the lock catch seat, the clamping positions are located on a central line of the coded disc limiting hole, and the clamping parts are in butt joint with the clamping positions so that the notch is abutted to and pushed by the lock catch connecting piece.

Furthermore, the clamping parts comprise first clamping parts, the first clamping parts are symmetrically arranged along the same side of the center line of the adjusting coded disc, and a first notch and a third notch are respectively arranged on the perpendicular bisector of the center connecting line of the two first clamping parts.

Furthermore, the clamping parts also comprise second clamping parts, the second clamping parts are symmetrically arranged along the central line of the adjusting coded disc, and a second notch is arranged on a perpendicular bisector of the central connecting line of the two second clamping parts.

Further, still be equipped with a plurality of keep away the position district on the hasp seat, keep away the position district and be used for holding joint portion.

Further, the carbon ribbon axle adjusting component still includes regulating plate and adjusting bolt, the regulating plate is fixed in the backup pad, adjusting bolt connects the regulating plate with the regulating block, through adjusting bolt adjusts the position of regulating block.

Further, the lock catch adjusting assembly further comprises a lock hook, and the lock hook is rotatably connected with the lock catch seat.

Further, a thermal transfer device is provided, which comprises the above thermal transfer ribbon adjusting mechanism and a thermal transfer ribbon shaft, wherein the thermal transfer ribbon shaft is connected with the thermal transfer ribbon shaft adjusting component.

The carbon ribbon adjusting mechanism provided by the application adjusts the positions of the carbon ribbon shaft and the lock catch through the carbon ribbon shaft adjusting component and the lock catch adjusting component which are arranged on one side of the supporting plate, particularly, the position of an adjusting block on the carbon ribbon shaft adjusting component is limited through a carbon ribbon shaft limiting hole which is arranged on the supporting plate, the adjusting block is connected with the carbon ribbon shaft, and then the carbon ribbon shaft is driven to move through the adjusting block; the movement of the locking seat is limited through the locking limiting hole arranged on the supporting plate, the locking seat is adjusted through adjusting the coded disc to finish the movement of the locking seat, and on one hand, the carbon ribbon shaft is adjusted through the carbon ribbon limiting hole to solve the problem that the carbon ribbon shaft is not parallel due to errors in the installation process; on the other hand, adjust the position of hasp seat through adjusting the code wheel, with the problem of non-adjustable when solving through hasp connection heat transfer machine upper and lower part, thereby be convenient for installer in the assembling process adjust the connected position of the upper and lower part of carbon ribbon axle and whole heat transfer apparatus, with avoid because of manufacturing or the carbon ribbon unevenness or carbon ribbon axle and the printer head nonparallel scheduling problem that the installation error leads to, and then promote printing quality, avoided effectively printing the problem such as the writing is unclear, the carbon ribbon smear.

Drawings

FIG. 1 is an exploded view of a thermal ribbon adjustment mechanism according to one embodiment of the present application;

FIG. 2 is a perspective view of a latch base of a thermal ribbon adjustment mechanism according to an embodiment of the present application;

FIG. 3 is a perspective view of an adjustment dial of a thermal tape adjustment mechanism according to an embodiment of the present application;

FIG. 4 is a schematic view of an assembly of a locking seat and an adjusting code wheel of a thermal transfer ribbon adjusting mechanism according to an embodiment of the present application;

fig. 5 is a perspective view of a thermal transfer device according to an embodiment of the present application.

The carbon belt shaft locking device comprises a support plate 1, a support plate 11, a carbon belt shaft limiting hole 12, a lock catch limiting hole 13, a carbon belt shaft base 14, a carbon belt shaft fastening bolt 15 and a code disc connecting hole;

2. the carbon ribbon shaft adjusting assembly 21, the adjusting block 22, the adjusting plate 23, the adjusting bolt 211, the connecting hole 221 and the connecting hole;

3. the lock catch adjusting assembly comprises a lock catch adjusting assembly 31, a lock catch base 311, a coded disc limiting hole 312, a lock catch connecting piece 313, a lock catch connecting hole 32, an adjusting coded disc 321, an adjusting coded disc fixing hole 33, a notch 331, a first notch 332, a second notch 333, a third notch 34, a clamping portion 341, a first clamping portion 342, a second clamping portion 35, a clamping position 36, a avoiding area 37 and a lock hook;

10. a carbon ribbon adjusting mechanism 20, a carbon ribbon shaft 30 and a lock rod;

A-A, adjusting the central line of the code wheel, a-a, the central line of the first clamping part, b-b, the central line of the second clamping part.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

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, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of 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," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate 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.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Fig. 1 shows an exploded view of a carbon ribbon adjustment mechanism according to an embodiment of the present application, and the carbon ribbon adjustment mechanism provided by the present application includes a support plate 1, a carbon ribbon shaft adjustment assembly 2 and a latch adjustment assembly 3, wherein one side of the support plate 1 is connected to a carbon ribbon shaft (not shown), and the other side is connected to the carbon ribbon shaft adjustment assembly 2 and the latch adjustment assembly 3, and further, a carbon ribbon shaft limiting hole 11 is formed in the support plate 1, and the carbon ribbon shaft limiting hole 11 is arranged along an axial direction perpendicular to the carbon ribbon shaft, optionally, the carbon ribbon shaft limiting hole 11 extends along a longitudinal direction shown in fig. 1, and the height of the carbon ribbon shaft is adjusted through the carbon ribbon shaft limiting hole 11. The carbon belt shaft adjusting assembly 2 comprises an adjusting block 21, the adjusting block 21 is connected with a carbon belt shaft on the other side of the supporting plate 1 through a carbon belt shaft limiting hole 11, the carbon belt shaft limiting hole 11 limits the moving direction of the adjusting block 21, and the position of the carbon belt shaft on the supporting plate 1 is adjusted through the adjusting block 21; meanwhile, a lock catch limiting hole 12 is formed in the support plate 1, the lock catch limiting hole 12 and the carbon ribbon shaft limiting hole 11 extend in the same direction, the lock catch adjusting component 3 comprises a lock catch seat 31 and an adjusting coded disc 32, the lock catch seat 31 is fixed through the lock catch limiting hole 12, the lock catch limiting hole 12 is used for limiting the moving direction of the lock catch seat 31, the adjusting coded disc 32 is connected with the support plate 1 through the lock catch seat 31, the adjusting coded disc 32 adjusts the position of the lock catch seat 31 on the support plate 1, specifically, the lock catch seat 31 moves along the lock catch limiting hole 12 by rotating the adjusting coded disc 32, so that the position of the lock catch seat 31 on the support plate 1 is changed, thereby changing the position of the latch hook 37 connected to the latch holder 31, the latch 37 is used to connect the upper and lower parts of the thermal transfer device, by adjusting the combination of the upper and lower parts of the thermal transfer device through the height-adjustable latch hooks 37, the carbon ribbon shaft and the printing head are ensured to be in a parallel state at all times under the action of the carbon ribbon shaft adjusting assembly 2 and the lock catch adjusting assembly 3.

According to another embodiment of the present application, the ribbon shaft adjusting assembly 2 comprises two sets, which are respectively connected with the driving ribbon shaft and the driven ribbon shaft to adjust their respective movements.

This application embodiment, the carbon ribbon axle passes through carbon ribbon axle base 13 and is connected with backup pad 1, particularly, carbon ribbon axle fastening bolt 14 passes the spacing hole of carbon ribbon axle 11 on regulating block 21, the backup pad 1 respectively and is connected with the carbon ribbon axle base 13 that is located backup pad 1 opposite side, and carbon ribbon axle fastening bolt 14 can remove in the spacing hole of carbon ribbon axle 11 to drive carbon ribbon axle base 13 and remove, finally realize the purpose of adjusting the carbon ribbon axle.

In one embodiment of the present application, the carbon ribbon spool stopper hole 11 extends in the longitudinal direction shown in fig. 1, so that the carbon ribbon spool fastening bolt 14 can move up and down to adjust the height of the carbon ribbon spool.

This application, carbon ribbon axle adjusting part 2 still include regulating plate 22 and adjusting bolt 23, and regulating plate 22 is fixed on backup pad 1, and adjusting bolt 23 connects regulating plate 22 and regulating block 21, and adjusting bolt 23 is used for adjusting the height of regulating block 21. Specifically, the adjusting block 21 and the adjusting plate 22 are provided with a connecting hole 211 and a connecting hole 221 which are matched with each other, the axial direction of the connecting hole 211 and the axial direction of the connecting hole 221 are arranged along the longitudinal direction, the adjusting bolt 23 penetrates through the connecting hole 211 and the connecting hole 221 to adjust the distance between the adjusting block 21 and the adjusting plate 22, and the adjusting bolt 23 can drive the adjusting block 21 to move up and down along the carbon ribbon shaft limiting hole 11 due to the fact that the adjusting plate 22 is fixedly connected with the supporting plate 1.

Further, in the latch adjusting assembly 3 provided by the present application, the latch seat 31 is provided with a code wheel limiting hole 311, a latch connecting piece 312 and a latch connecting hole 313, the latch connecting piece 312 is connected to the support plate 1 through the latch connecting hole 313 and the latch limiting hole 12, so as to fix the latch seat 31, the adjusting code wheel 32 is connected to the latch seat 31 through the code wheel limiting hole 311, the code wheel limiting hole 311 is used for limiting the movement of the adjusting code wheel 32, and the carbon ribbon shaft limiting hole 11, the latch limiting hole 12 and the code wheel limiting hole 311 extend in the same direction, that is, in the longitudinal direction shown in fig. 1. Meanwhile, the adjusting coded disc 32 is circumferentially provided with a plurality of notches 33, and when the adjusting coded disc 32 rotates, the notches 33 can be abutted against the lock catch connecting piece 312, so that the lock catch seat 31 is driven to move along the lock catch limiting hole 12.

Fig. 2 shows a perspective view of a locking seat of a carbon ribbon adjustment mechanism according to an embodiment of the present application, fig. 3 shows a perspective view of an adjustment code wheel of a carbon ribbon adjustment mechanism according to an embodiment of the present application, in combination with fig. 1-3, a code wheel limiting hole 311 extending in a longitudinal direction is provided on the locking seat 31, a code wheel connecting hole 15 is provided on the support plate 1 corresponding to the code wheel limiting hole 311, an adjustment code wheel fixing hole 321 is provided on the adjustment code wheel 32 corresponding to the code wheel limiting hole 311, a connecting bolt sequentially passes through the adjustment code wheel fixing hole 321, the code wheel limiting hole 311 and the code wheel connecting hole 15 to fix the adjustment code wheel 32 and the locking seat 31 on the support plate 1, and since the adjustment code wheel fixing hole 321 and the code wheel connecting hole 15 are round holes, it is ensured that the adjustment code wheel 32 can only rotate on the support plate 1 and cannot move up and down or left and right, as the coded disc limiting hole 311 moves along the longitudinal direction, the lock catch seat 31 can move up and down relative to the adjusting coded disc 32, so that the height of the lock catch seat 31 can be adjusted.

Furthermore, a plurality of clamping parts 34 are arranged on the adjusting coded disc 32, a plurality of clamping positions 35 are arranged on the lock catch seat 31, the clamping positions 35 coincide with the central line of the coded disc limiting hole 311, and after the clamping parts 34 are in butt joint with the clamping positions 35, the adjusting coded disc 32 can push the lock catch seat 31 to move along the coded disc limiting hole 311 after the different clamping parts 34 are in butt joint with the clamping positions 35 due to the fact that the height of the adjusting coded disc 32 is unchanged.

Fig. 4 shows an assembly diagram of the locking socket and the adjusting code wheel of the thermal ribbon adjusting mechanism according to an embodiment of the present application, wherein three notches 33 are provided on the adjusting code wheel 32 to show that the adjusting code wheel 32 pushes the locking socket 31 to move to three different heights, but other numbers of notches are allowed by the present application. Fig. 4A, 4B and 4C respectively show the assembled states of the locking seat 31 at three different heights, and according to fig. 4A and 4C, two first clamping portions 341 are symmetrically arranged on the same side of the center line a-a of the adjusting code wheel 32, a first notch 331 and a third notch 333 are respectively arranged at the end of a perpendicular bisector of the center connecting line a-a of the two first clamping portions 341, the first notch 331 corresponds to the first position, and the third notch 333 corresponds to the third position. As shown in FIG. 4B, two second clamping portions 342 are symmetrically arranged on a center line A-A of the adjusting code wheel 32, a second notch 332 is arranged on a perpendicular bisector of a center connecting line B-B of the two second clamping portions 342, and the second notch 332 corresponds to the position No. two.

When the adjusting coded disc 32 rotates to the first position, the central connecting line a-a of the first clamping portion 341 is located below the central line a-a of the adjusting coded disc 32, meanwhile, the first clamping portion 341 and the clamping position 35 on the adjusting coded disc 32 are clamped together, the first notch 331 pushes the lock catch connecting piece 312 to move along the lock catch limiting hole 12, and the position of the lock catch seat 31 is determined by the position of the clamping position 35 on the adjusting coded disc 32, so that the lock catch seat 31 is located at the position below the support plate 1 at the moment; when the adjusting coded disc 32 rotates to the second position, the center connecting line b-b of the second clamping portion 342 is overlapped with the center line A-A of the adjusting coded disc 32, meanwhile, the second clamping portion 342 is clamped with the clamping position 35 hole in the adjusting coded disc 32, the second notch 332 pushes the lock catch connecting piece 312 to move along the lock catch limiting hole 12, and the position of the lock catch seat 31 is determined by the position of the clamping position 35 in the adjusting coded disc 32, so that the lock catch seat 31 is located in the middle of the supporting plate 1 at the moment; when the adjusting coded disc 32 rotates to the third position, at this time, compared with the first position adjusting coded disc 32, the center line a-a of the first clamping portion 341 rotates 180 degrees, the center line a-a of the adjusting coded disc 32 is located above the center line a-a of the adjusting coded disc 32, meanwhile, the first clamping portion 341 and the clamping position 35 on the adjusting coded disc 32 are clamped together, the third notch 333 pushes the lock catch connecting piece 312 to move along the lock catch limiting hole 12, and the position of the lock catch seat 31 is determined by the position of the clamping position 35 on the adjusting coded disc 32, so that the lock catch seat 31 is located at the position on the support plate 1 at this time.

In addition, still be equipped with a plurality of keep away position district 36 on the hasp seat 31, keep away position district 36 and be used for holding the joint portion 34 of not being connected with joint position 35 supporting, if when first joint portion 341 and joint position 35 joint, second joint position 342 can hold in keeping away position district 36 to be convenient for adjust the assembly of code wheel 32 and hasp seat 31.

Further, hasp adjusting part 3 still includes latch hook 37, and latch hook 37 rotates and connects hasp seat 31, and hasp seat 31 can drive latch hook 37 and reciprocate when reciprocating, and then realizes the purpose of adjusting whole carbon ribbon axle height.

The carbon ribbon adjusting mechanism provided by the application adjusts the positions of the carbon ribbon shaft and the lock catch through the carbon ribbon shaft adjusting component and the lock catch adjusting component which are arranged on one side of the supporting plate, particularly, the position of an adjusting block on the carbon ribbon shaft adjusting component is limited through a carbon ribbon shaft limiting hole which is arranged on the supporting plate, the adjusting block is connected with the carbon ribbon shaft, and then the carbon ribbon shaft is driven to move through the adjusting block; the movement of the locking seat is limited through the locking limiting hole arranged on the supporting plate, the locking seat is adjusted through adjusting the coded disc to finish the movement of the locking seat, and on one hand, the carbon ribbon shaft is adjusted through the carbon ribbon limiting hole to solve the problem that the carbon ribbon shaft is not parallel due to errors in the installation process; on the other hand, adjust the position of hasp seat through adjusting the code wheel, with the problem of non-adjustable when solving through hasp connection heat transfer machine upper and lower part, thereby be convenient for installer in the assembling process adjust the connected position of the upper and lower part of carbon ribbon axle and whole heat transfer apparatus, with avoid because of manufacturing or the carbon ribbon unevenness or carbon ribbon axle and the printer head nonparallel scheduling problem that the installation error leads to, and then promote printing quality, avoided effectively printing the problem such as the writing is unclear, the carbon ribbon smear.

Further, the present application provides a thermal transfer device, including above-mentioned carbon ribbon adjustment mechanism 10, still include carbon ribbon axle 20, carbon ribbon axle 20 is connected with carbon ribbon axle adjusting part 2, and carbon ribbon adjustment mechanism 10 and carbon ribbon axle 20 are in the upper portion of whole thermal transfer device, and the connection through latch hook 37 and locking lever 30 realizes the equipment of upper portion and lower part. The working principle is that in order to ensure the printing quality, the printing rubber roller of the carbon belt shaft 20 (comprising the driving carbon belt shaft and the driven carbon belt shaft) is in a parallel state with the printing head, and the carbon belt can be uniformly and tightly connected in the state without the problem of carbon belt wrinkles, so that the problems of unclear printing handwriting, carbon belt smear and the like are avoided. In use, through the height of carbon ribbon axle of 2 adjustment carbon ribbon axles of carbon ribbon axle adjusting part, adjust the height of latch hook 37 through hasp adjusting part 3 for carbon ribbon axle 20, printing rubber roll and printer head are in the parallel state constantly, thereby avoid because of manufacturing or the carbon ribbon unevenness or carbon ribbon axle that installation error leads to and beat printer head nonparallel scheduling problem, and then promote the printing quality, avoided printing the problem such as the writing is unclear, the carbon ribbon smear effectively.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A thermal transfer ribbon adjustment mechanism, comprising:

one side of the supporting plate is connected with a carbon belt shaft;

the carbon ribbon shaft adjusting assembly is arranged on one side, far away from the carbon ribbon shaft, of the supporting plate and comprises an adjusting block, a carbon ribbon shaft limiting hole is formed in the supporting plate and is arranged along the axial direction perpendicular to the carbon ribbon shaft, the adjusting block is connected with the carbon ribbon shaft through the carbon ribbon shaft limiting hole, and the adjusting block adjusts the position of the carbon ribbon shaft on the supporting plate;

the carbon ribbon shaft is arranged on the support plate, the lock catch adjusting component is arranged on one side, far away from the carbon ribbon shaft, of the support plate and comprises a lock catch seat and an adjusting coded disc, a lock catch limiting hole is formed in the support plate and extends in the same direction as the carbon ribbon shaft limiting hole, the lock catch limiting hole is used for limiting movement of the lock catch seat, the adjusting coded disc is connected with the support plate through the lock catch seat, and the adjusting coded disc adjusts the position of the lock catch seat on the support plate.

2. The thermal transfer ribbon adjustment mechanism of claim 1, wherein the locking seat is provided with a coded disc limiting hole, the adjusting coded disc is connected with the locking seat through the coded disc limiting hole, the coded disc limiting hole is used for limiting movement of the adjusting coded disc, and the thermal transfer ribbon shaft limiting hole, the locking lock limiting hole and the coded disc limiting hole extend in the same direction.

3. The carbon ribbon adjusting mechanism as claimed in claim 2, wherein a locking connector is disposed on the locking seat, the locking connector passes through the locking limiting hole to fix the locking seat, the adjusting dial is circumferentially provided with a plurality of notches, and the notches push the locking connector to move along the locking limiting hole.

4. The thermal transfer ribbon adjusting mechanism according to claim 3, wherein the adjusting code wheel is provided with a plurality of clamping portions, the locking seat is provided with a plurality of clamping positions, the clamping positions are located on a center line of the code wheel limiting hole, and the clamping portions are in butt joint with the clamping positions so that the notches abut against the locking connecting piece.

5. The thermal transfer ribbon adjusting mechanism as claimed in claim 4, wherein the clamping portions include first clamping portions, the first clamping portions are symmetrically disposed along a same side of a center line of the adjusting code disc, and a first notch and a third notch are respectively disposed on a perpendicular bisector of a center connecting line of the two first clamping portions.

6. The thermal transfer ribbon adjusting mechanism of claim 4, wherein the clamping portions further comprise second clamping portions, the second clamping portions are symmetrically arranged along a center line of the adjusting code disc, and a second notch is arranged on a perpendicular bisector of a center line of the two second clamping portions.

7. The thermal transfer ribbon adjusting mechanism of claim 4, wherein the locking seat is further provided with a plurality of avoiding areas, and the avoiding areas are used for accommodating the clamping portion.

8. The ribbon adjustment mechanism of claim 1, wherein the ribbon spindle adjustment assembly further comprises an adjustment plate fixed to the support plate and an adjustment bolt connecting the adjustment plate and the adjustment block, the adjustment bolt adjusting the position of the adjustment block.

9. The ribbon adjustment mechanism of any of claims 1-8, wherein the latch adjustment assembly further comprises a latch hook that is rotationally coupled to the latch base.

10. A thermal transfer device comprising the ribbon adjustment mechanism of any of claims 1-9, further comprising a ribbon shaft coupled to the ribbon shaft adjustment assembly.

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