CN113561664B - Fixing structure of thermosensitive plate and thermosensitive printer - Google Patents
Fixing structure of thermosensitive plate and thermosensitive printer Download PDFInfo
- Publication number
- CN113561664B CN113561664B CN202110821931.8A CN202110821931A CN113561664B CN 113561664 B CN113561664 B CN 113561664B CN 202110821931 A CN202110821931 A CN 202110821931A CN 113561664 B CN113561664 B CN 113561664B
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- China
- Prior art keywords
- fixing structure
- heat
- upper cover
- rubber roller
- lower cover
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- 238000010030 laminating Methods 0.000 claims abstract description 25
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 3
- 239000008188 pellet Substances 0.000 claims 1
- 230000005489 elastic deformation Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
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- Electronic Switches (AREA)
Abstract
The invention relates to the technical field of printing equipment and discloses a fixing structure of a thermal sensitive sheet and a thermal sensitive printer. The fixing structure of the heat-sensitive piece comprises an upper cover and a lower cover connected with one end of the upper cover, wherein the upper cover can be opened or closed relative to the lower cover; the upper cover is provided with a rubber roller laminating device, the lower cover is provided with a heat-sensitive sheet, and the fixing structure is provided with a positioning device which enables the rubber roller laminating device to be positioned at a fixed position when the rubber roller laminating device is pressed down, so that the width of a gap between the rubber roller laminating device and the heat-sensitive sheet is kept consistent, and the phenomenon of poor printing caused by uneven stress caused by elastic deformation is avoided.
Description
Technical Field
The invention relates to the technical field of printing equipment, in particular to a fixing structure of a thermal sensitive sheet and a thermal sensitive printer.
Background
At present, most of the pressing modes of the thermosensitive sheets of the printers sold in the market directly apply pressure to the thermosensitive sheets in a spring or elastic sheet mode to enable the thermosensitive sheets to be attached to the thermosensitive paper and the rubber roller, but the spring or the elastic sheet is easy to generate corresponding deformation under the action of external force, the pressure is changed, the pressure is easy to generate uneven pressure, the thermosensitive paper is heated unevenly, and the phenomenon of poor printing is generated. In addition, because the precision of printer parts does not reach the standard or the printer parts are deformed, deviation can be caused, so that the printing positioning is not accurate, the phenomenon of poor printing is generated, the problems of high after-sale fault rate and high rejection rate of printing equipment are caused, and the production cost is high.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the existing printer thermal sensitive sheet is easy to generate uneven pressure of rubber roller pressing due to uneven deformation of a spring or an elastic sheet, so that the phenomenon of poor printing is caused.
In order to solve the technical problem, the invention provides a fixing structure of a thermosensitive plate, which comprises an upper cover and a lower cover connected with one end of the upper cover, wherein the upper cover can be opened or closed relative to the lower cover; the upper cover is provided with a rubber roller laminating device, the lower cover is provided with a heat-sensitive sheet, and the fixing structure is provided with a positioning device which enables the rubber roller laminating device to be positioned at a fixed position when the rubber roller laminating device is pressed down, so that the width of a gap between the rubber roller laminating device and the heat-sensitive sheet is kept consistent, uneven stress caused by elastic deformation is avoided, and poor printing is generated.
Preferably, the upper cover and the lower cover are assembled and connected through positioning columns arranged at two ends of the upper cover, so that the upper cover and the lower cover can rotate relative to each other to realize closing or opening.
Preferably, the positioning device is fixedly or movably arranged on the upper cover or the lower cover, so that the positioning device can automatically adjust the position of the rubber roller laminating device when the rubber roller laminating device is used for laminating the thermal paper, the rubber roller laminating device can automatically adjust the balance degree, the pressure is uniformly distributed on the surface of the thermal paper, and the consistency of the printing effect is ensured.
Preferably, the positioning device comprises two jacking pieces which are used for upwards lifting the rubber roller fitting device to a certain height. The certain height refers to that the distances between the rubber roller and the thermal sensitive sheet are equal, so that the thermal sensitive paper can pass through the rubber roller to obtain uniform pressure of the rubber roller, and poor printing is avoided. The jacking piece can be arranged in various forms, such as a cube with a concave circular ring at the top or a cylinder with a concave arc-shaped ring at the top, and the circular ring or the concave arc-shaped upper arc surface is tangent to the shaft sleeve of the rubber roller fitting device.
Preferably, the jacking piece is two parallel arrangement's snap ring, two snap rings are fixed to be located and are covered under, be equipped with two arc openings on the snap ring, two arc open-ended radians and highly uniform, and towards the direction at rubber roll laminating device place, two arc open-ended positions correspond with two axle sleeves of rubber roll laminating device respectively, an arc opening corresponds an axle sleeve promptly, the arc opening sets up the same height, so that axle sleeve and two arc snap rings roof pressure rubber roll that makes progress after the contact of arc opening when rubber roll laminating device pushes down, cooperate the location to two axle sleeves, make the rubber roll in two axle sleeves can keep unanimous and definite height, make the rubber roll keep even to the pressure of thermal paper, avoid the uneven printing that leads to of pressure bad.
Certainly, the positioning device can also be arranged on the upper cover, for example, a blocking strip or a stop block is fixedly or movably arranged beside the rubber roll attaching device and used for blocking the shaft sleeve or the rubber roll from continuously pressing down when the rubber roll is pressed down to a certain position, the blocking strip or the stop block is symmetrically arranged, the height and the thickness of the blocking strip or the stop block are consistent, the arrangement positions are respectively corresponding to the shaft sleeve so as to prevent the shaft sleeve or the rubber roll from continuously pressing down, and the uneven pressing pressure and poor printing caused by the inconsistent height of the circumferential surface of the rubber roll are avoided.
Preferably, the rubber roll attaching device comprises a rubber roll and shaft sleeves arranged at two ends of the rubber roll, the shaft sleeves are assembled on the upper cover through a support, and the shaft sleeves enable the rubber roll arranged on or in the lantern ring to rotate so as to uniformly press the thermal paper on the thermal sheet in a rolling manner.
Preferably, the heat radiation plate is arranged below the heat sensitive sheet so as to quickly radiate heat generated by the heat sensitive sheet in the printing process.
Preferably, the side of the lower cover is provided with two hooks, the two hooks are symmetrically arranged and are positioned on the side of the lower cover close to the upper cover, and the two hooks are respectively positioned at two ends of the thermosensitive plate or the two ends of the heating panel in the length direction and are assembled on the lower cover through the pressing plate, the hook shaft and the torsion spring. The upper cover is provided with two hook holes corresponding to the hooks respectively so that the upper cover and the lower cover are pressed and fastened through the hooks and the hook holes.
Preferably, the invention also provides a thermal printer, which comprises the fixing structure of the thermal sensitive sheet
Compared with the prior art, the invention has the following advantages:
1. according to the fixing structure of the thermosensitive sheet, the balance degree of the rubber roller can be automatically adjusted when the thermosensitive sheet is attached to the thermosensitive paper and the rubber roller attaching device in a manner of designing the positioning device on the heat dissipation plate, so that the purpose of integrally and uniformly distributing pressure is achieved, and the phenomenon of poor printing caused by nonuniform pressure is solved;
2. the thermal printer comprises the fixing structure of the thermal sensitive sheet, so the fixing structure of the thermal sensitive sheet has the advantages of the fixing structure of the thermal sensitive sheet, and can correct the deviation caused by substandard or deformed precision of the lower cover, so that the printing positioning is more accurate, and the phenomenon of poor printing is avoided.
Drawings
Fig. 1 is a perspective view of a fixing structure of a heat-sensitive sheet according to an embodiment of the present invention.
Fig. 2 is a front open view of a fixing structure of a heat-sensitive sheet according to an embodiment of the present invention.
Fig. 3 is a back-opened view of a fixing structure of a thermal sheet according to an embodiment of the present invention.
Fig. 4 is a sectional view of a fixing structure of a heat sensitive sheet according to an embodiment of the present invention, taken along section line B-B of fig. 1.
Fig. 5 is an enlarged view of a partial structure a in fig. 4.
Fig. 6 is a partial sectional view of a fixing structure of a heat sensitive sheet according to an embodiment of the present invention, taken along section line C-C in fig. 1.
Fig. 7 is an enlarged view of a partial structure D in fig. 6.
FIG. 8 is an exploded view of the glue roller attaching device and the positioning device according to the embodiment of the invention.
FIG. 9 is an exploded view of the glue roller application device according to the embodiment of the invention.
In the figure, 1, a heat-sensitive sheet; 2. a heat dissipation plate; 3. a lower cover; 4. an upper cover; 5. a pressure spring; 6. a positioning column; 7. hooking; 8. a hook shaft; 9. a torsion spring; 10. a first tablet; 11. a second tabletting; 12. rubber rollers; 13. a shaft sleeve; 14. a positioning device; 141. a snap ring; 142. an arc-shaped opening; 15. a hook hole; 16. rubber roll laminating device.
Detailed Description
The technical solutions of the present invention are clearly and completely described below with reference to the accompanying drawings and embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example (b): as shown in fig. 1 to 9, the present embodiment provides a thermal printer, which includes a thermal sheet fixing structure, the thermal sheet fixing structure includes an upper cover 4 and a lower cover 3 assembled and connected with the upper cover 4 through a positioning column 6, and the upper cover 4 and the lower cover 3 can rotate relative to each other through the positioning column 6 to open or close the upper cover. The upper cover is provided with a rubber roller laminating device which is arranged on the side surface of the upper cover close to the lower cover, the rubber roller laminating device comprises two shaft sleeves which are symmetrically arranged through a support and a rubber roller which is arranged between the two shaft sleeves and can rotate, and the rubber roller is used for pressing the thermal paper onto the thermal sheet. The lower cover is provided with a heat dissipation plate 2 and hooks 7, the heat dissipation plate 2 is provided with a heat sensitive sheet 1, the heat dissipation plate 2 and the heat sensitive sheet 1 are both rectangular, and the two hooks 7 are arranged at two ends of the heat dissipation plate 2 and the heat sensitive sheet 1. Two couples 7 are located heat-sensitive piece 1 or 2 length direction's of heating panel both ends respectively to assemble on the lower cover through preforming, couple axle 8 and torsional spring 9, the preforming includes first preforming 10 and second preforming 11, connect couple 7 in the both ends of couple axle 8 respectively and assemble on the lower cover 3.
The fixing structure further comprises a positioning device 14 arranged on the lower cover 3 for positioning the rubber roller bonding device 16 at a fixed position when the rubber roller bonding device is pressed downwards, and in the embodiment, the positioning device 14 is arranged on the lower cover 3 and corresponds to the rubber roller bonding device 16. The positioning device 14 is used for keeping the width of a gap between the rubber roller laminating device 16 and the thermal sensitive sheet 1 consistent, so that the rubber roller laminating device 16 automatically adjusts the balance degree, pressure is uniformly distributed on the surface of the thermal sensitive paper, the consistency of the printing effect is ensured, and the phenomenon of poor printing caused by uneven stress caused by elastic deformation is avoided.
Specifically, in this embodiment, the positioning device 14 is two snap rings 141 fixedly disposed on the lower cover 3, each snap ring 141 is provided with an arc-shaped opening 142, the radians and heights of the two arc-shaped openings 142 are all the same, and the arc-shaped openings 142 face the direction of the rubber roll laminating device 16, the position of the arc-shaped opening 142 on each snap ring 141 corresponds to one shaft sleeve 13 of the rubber roll laminating device 16, that is, one arc-shaped opening 142 corresponds to one shaft sleeve 13, and the two arc-shaped openings 142 are set to the same height, so that the two arc-shaped snap rings press the rubber roll upwards after the shaft sleeve contacts with the arc-shaped openings when the rubber roll laminating device presses down, and cooperate and position the two shaft sleeves 13, so that the rubber rolls 12 in the two shaft sleeves 13 can maintain the same and determined height, so that the pressure of the rubber roll on the thermal paper is kept uniform, and poor printing caused by uneven pressure is avoided.
The working process of the invention is as follows: the fixing structure of the thermosensitive sheet of the thermosensitive printer can automatically adjust the balance degree when the thermosensitive sheet is attached to the thermosensitive paper and the rubber roller by designing the positioning device on the heat dissipation plate, can achieve the purpose of uniformly distributing the pressure integrally, and solves the problem of poor printing caused by nonuniform pressure. When lower cover and upper cover pressfitting, the heat-sensitive piece is fixed a position through two positioner of design on the heating panel, and two positioner cooperate the location with two axle sleeves promptly, can the automatically regulated adjustment depth of balance when the pressfitting, makes pressure evenly distributed on the heat-sensitive paper surface, guarantees the uniformity of whole printing effect. Therefore, the offset caused by the substandard or deformed precision of the lower cover is corrected, the printing positioning is more accurate, the bad printing phenomenon is avoided, the after-sale fault rate is reduced, the rejection rate of the lower cover and the upper cover is reduced, and the production cost is reduced.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (8)
1. The fixing structure of the thermosensitive plate comprises an upper cover and a lower cover connected with one end of the upper cover, and is characterized in that: the upper cover is provided with a rubber roller attaching device, the lower cover is fixedly provided with a thermosensitive plate, and the fixing structure is provided with a positioning device which can position the rubber roller attaching device at a fixed position when the rubber roller attaching device is pressed downwards; the positioning device comprises two jacking pieces which raise the rubber roller fitting device upwards to a certain height; the jacking piece is two clamping rings which are arranged in parallel, the two clamping rings are fixedly arranged on the lower cover, each clamping ring is provided with an arc-shaped opening, the radian and the height of the two arc-shaped openings are consistent, and the two clamping rings face the direction of the rubber roll laminating device.
2. A fixing structure of a heat-sensitive sheet as set forth in claim 1, wherein: the positioning device is fixedly or movably arranged on the upper cover or the lower cover.
3. A fixing structure of a heat-sensitive sheet as set forth in claim 1, wherein: the rubber roller laminating device comprises a rubber roller and shaft sleeves arranged at two ends of the rubber roller, and the shaft sleeves are assembled on the upper cover through a support.
4. A fixing structure of a heat-sensitive sheet as set forth in claim 1, wherein: a heat radiation plate is arranged between the heat sensitive sheet and the lower cover, and the positioning device is arranged on the heat radiation plate.
5. A fixing structure of a heat-sensitive sheet as set forth in claim 4, wherein: the side surface of the lower cover is provided with two hooks, and the upper cover is provided with two hook holes respectively corresponding to the hooks.
6. A fixing structure of a heat-sensitive sheet as set forth in claim 5, wherein: the two hooks are symmetrically arranged and are positioned on the side surface of the lower cover close to the upper cover, and the two hooks are respectively positioned at two ends of the thermosensitive plate or the two ends of the heat dissipation plate in the length direction.
7. A fixing structure of a heat-sensitive sheet as set forth in claim 2, wherein: the positioning device is arranged on the upper cover, a blocking strip or a stopping block which is fixedly or movably arranged at the side of the rubber roll attaching device and used for stopping the shaft sleeve or the rubber roll from continuously pressing down when the shaft sleeve or the rubber roll is pressed down to a certain position is arranged, the blocking strip or the stopping block are symmetrically arranged, and the height and the thickness of the blocking strip or the stopping block are consistent.
8. A thermal printer, characterized by: a fixing structure comprising the thermosensitive pellet as recited in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110821931.8A CN113561664B (en) | 2021-07-20 | 2021-07-20 | Fixing structure of thermosensitive plate and thermosensitive printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110821931.8A CN113561664B (en) | 2021-07-20 | 2021-07-20 | Fixing structure of thermosensitive plate and thermosensitive printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113561664A CN113561664A (en) | 2021-10-29 |
| CN113561664B true CN113561664B (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110821931.8A Active CN113561664B (en) | 2021-07-20 | 2021-07-20 | Fixing structure of thermosensitive plate and thermosensitive printer |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101396925A (en) * | 2007-09-28 | 2009-04-01 | 精工爱普生株式会社 | Thermal printer |
| CN211363977U (en) * | 2019-11-11 | 2020-08-28 | 珠海浩盛标签打印机有限公司 | Miniature thermal printer with rotary hook cover body |
| CN211892496U (en) * | 2019-12-25 | 2020-11-10 | 珠海趣印科技有限公司 | Thermal sensitive sheet support and thermal sensitive printer core with same |
| CN112571975A (en) * | 2020-11-11 | 2021-03-30 | 德佟电子科技(江苏)有限公司 | Three-inch thermal transfer printer core and printer thereof |
| CN112895731A (en) * | 2021-02-01 | 2021-06-04 | 容大合众(厦门)科技集团股份公司 | Novel thermal printer |
| CN213383548U (en) * | 2020-07-15 | 2021-06-08 | 陈炜煌 | Embedded printer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111332025B (en) * | 2020-04-08 | 2020-12-29 | 深圳市易联达商用设备有限公司 | Thermal printer |
-
2021
- 2021-07-20 CN CN202110821931.8A patent/CN113561664B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101396925A (en) * | 2007-09-28 | 2009-04-01 | 精工爱普生株式会社 | Thermal printer |
| CN211363977U (en) * | 2019-11-11 | 2020-08-28 | 珠海浩盛标签打印机有限公司 | Miniature thermal printer with rotary hook cover body |
| CN211892496U (en) * | 2019-12-25 | 2020-11-10 | 珠海趣印科技有限公司 | Thermal sensitive sheet support and thermal sensitive printer core with same |
| CN213383548U (en) * | 2020-07-15 | 2021-06-08 | 陈炜煌 | Embedded printer |
| CN112571975A (en) * | 2020-11-11 | 2021-03-30 | 德佟电子科技(江苏)有限公司 | Three-inch thermal transfer printer core and printer thereof |
| CN112895731A (en) * | 2021-02-01 | 2021-06-04 | 容大合众(厦门)科技集团股份公司 | Novel thermal printer |
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| Publication number | Publication date |
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| CN113561664A (en) | 2021-10-29 |
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Denomination of invention: Fixed structure of thermal film and thermal printer Effective date of registration: 20231214 Granted publication date: 20221122 Pledgee: China Postal Savings Bank Co.,Ltd. Zhuhai Xiangzhou Branch Pledgor: ZHUHAI QUIN TECHNOLOGY Co.,Ltd. Registration number: Y2023980071768 |