CN210363001U - Thermal printer with thermal sensitive sheet accurately installed and positioned - Google Patents
Thermal printer with thermal sensitive sheet accurately installed and positioned Download PDFInfo
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- CN210363001U CN210363001U CN201920839072.3U CN201920839072U CN210363001U CN 210363001 U CN210363001 U CN 210363001U CN 201920839072 U CN201920839072 U CN 201920839072U CN 210363001 U CN210363001 U CN 210363001U
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- thermosensitive
- heat
- thermal printer
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Abstract
The utility model provides a thermal printer of accurate installation location of heat-sensitive piece, including the heat-sensitive module, the rubber roll, frame and lid, the heat-sensitive module sets up on the lid, the heat-sensitive module includes heat-sensitive support and heat-sensitive piece, the heat-sensitive piece sets up on the heat-sensitive support, the frame is provided with roller slot and constant head tank, the rubber roll rotationally sets up in the roller slot, rubber roll and heat-sensitive piece set up relatively, form the paper feed passageway between rubber roll and the heat-sensitive piece, a constant head tank is located one side of a location portion paper feed direction based on the paper feed passageway, the heat-sensitive support is provided with the locating piece respectively in the both sides of the width direction of heat-sensitive piece based on the paper feed passageway. The positioning block is matched with the positioning groove in a positioning mode, and the thermosensitive plate is directly arranged on the thermosensitive support, so that the position between the thermosensitive plate and the rubber roller can be accurately installed in a positioning mode, and the printing stability and quality are effectively improved.
Description
Technical Field
The utility model relates to a thermal printing equipment field especially relates to a thermal printer of accurate installation location of heat-sensitive piece.
Background
With the popularization and application of thermal printers, the thermal printers are used in automatic teller machines of banks, cash registers of supermarkets and delivery places of e-commerce, especially printing of the e-commerce industry and the express delivery industry is rapidly increased, and higher requirements are provided for the stability, durability and printing quality of the printers.
Thermal printer generally is provided with casing, paper storehouse, rubber roll and heat sensitive sheet, is located the printing paper input rubber roll in the paper storehouse and heat sensitive sheet department, prints formation image then, because need change printing paper, so need often open the lid of printer, the lid closes again after the change to make heat sensitive sheet and rubber roll relative, if the heat sensitive sheet can not accurately be relative to the rubber roll position, then can influence and print the quality, lead to easily printing the virtual image, not clear or the problem of ghost image.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a thermal printer of accurate installation location of heat-sensitive piece.
In order to realize the purpose of the utility model, the utility model provides a thermal printer with a thermal sensitive sheet accurately installed and positioned, which comprises a thermal sensitive module and a rubber roller, the base and the cover body, the cover body covers the base, the thermosensitive module is arranged on the cover body, the thermosensitive module comprises a thermosensitive support and a thermosensitive sheet, the thermosensitive sheet is arranged on the thermosensitive support, the base is provided with a roller groove and two positioning grooves, the roller groove is respectively provided with a positioning part at two ends, the rubber roller is rotatably arranged in the roller groove and is in spacing fit with the two positioning parts, the rubber roller and the thermosensitive sheet are oppositely arranged, a paper feeding channel is formed between the rubber roller and the thermosensitive sheet, one positioning groove is positioned on one side of the paper feeding direction of one positioning part based on the paper feeding channel, the thermosensitive support is respectively provided with positioning blocks on two sides of the thermosensitive sheet in the width direction of the paper feeding channel, and the positioning blocks are positioned in the.
According to the scheme, the positioning groove is formed in the base, the positioning block is arranged on the thermosensitive support, and the thermosensitive sheet is directly arranged on the thermosensitive support, so that the positioning block is in positioning fit with the positioning groove, the position between the thermosensitive sheet and the rubber roller can be accurately installed and positioned, the printing precision is effectively improved, and the printing quality is improved.
The positioning groove is positioned at the upstream side of the positioning part based on the paper feeding direction of the paper feeding channel; the positioning block is positioned on the upstream side of the heat-sensitive film base in the paper feeding direction of the paper feeding channel.
According to a further scheme, the thermosensitive support is provided with a limiting wall, the limiting wall is enclosed into an installation groove, the thermosensitive sheet is installed in the installation groove, and the positioning block is arranged on the limiting wall.
In a further scheme, the positioning block and the limiting wall are integrally formed.
Therefore, the thermosensitive plate can be more accurately installed in the thermosensitive support through the optimal arrangement of the positions of the thermosensitive support, the positioning block and the limiting wall, and the position is kept fixed in the printing operation process.
According to a further scheme, the thermosensitive module further comprises a thermosensitive paper guide block, the thermosensitive paper guide block is arranged in the mounting groove, a paper guide surface is arranged on the thermosensitive paper guide block along the paper feeding channel, and the end portion of the paper guide surface is close to the thermosensitive sheet.
Therefore, the paper feeding smoothness of the paper feeding channel is optimized through the arrangement of the paper guide surface of the paper guide block, the occurrence of paper jam is prevented, and the printing stability is improved.
The positioning groove is provided with a positioning part, and the positioning part is provided with a positioning groove.
Still further, the locating piece is provided with the arc tip, and the arc tip cooperates with the guide face.
From top to bottom, through the cooperation of arc tip and the guide face of slope for the locating piece can more smoothly cooperate and enter into to the constant head tank.
The further proposal is that the thermosensitive bracket is also provided with a mounting block; the lid is provided with mounting groove and installation inclined plane, and the mounting groove sets up along longitudinal extension, and the mounting groove is provided with the card wall at vertical tip, and installation inclined plane sets up on card wall is located one side that the mounting groove is relative, and the installation piece can be followed installation inclined plane and slided to the mounting groove in, installation piece and the spacing cooperation of card wall.
Further, the mounting block is positioned on one side of the thermosensitive bracket based on the width direction of the paper feeding channel; the mounting groove and the mounting inclined plane are both positioned on one side of the cover body in the width direction based on the paper feeding channel.
In a further aspect, the thermal printer further includes a spring abutting between the thermal holder and the cover.
It is from top to bottom visible, through the cooperation design of mounting groove, card wall and installation inclined plane for the installation piece can conveniently be followed the installation inclined plane and slided to the mounting groove in, the installation piece with the spacing cooperation back of card wall, the convenient and fast ground is accomplished thermal module's installation location.
Drawings
Fig. 1 is a structural view of an embodiment of the thermal printer of the present invention.
Fig. 2 is a structural view of the thermal printer of the present invention with the outer cover omitted.
Fig. 3 is an exploded view of an inner cover and a thermal module in an embodiment of a thermal printer according to the present invention.
Fig. 4 is a partial cross-sectional view of an embodiment of the thermal printer of the present invention at a locating block.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Referring to fig. 1 to 4, the thermal printer 1 includes a thermal module 4, a rubber roller, a base 3, and a cover 2, the cover 2 covers the base 3, the thermal module 4 is disposed on the cover 2, the cover 2 includes an inner cover 22 and an outer cover 21, and the outer cover 21 is sleeved outside the inner cover 22.
The machine base 3 is provided with a roller groove 31 and two positioning grooves 32, the roller groove 31 is provided with positioning parts 311 at two ends respectively, the positioning parts 311 are positioning groove parts with smaller cross sections, a rubber roller (not shown) is rotatably arranged in the roller groove 31 and is in limit fit with the two positioning parts 311, the rubber roller and the heat sensitive sheet 42 are oppositely arranged, and a paper feeding channel is formed between the rubber roller and the heat sensitive sheet 42. One positioning groove 32 is located on one side of the positioning portion 311 in the paper feeding direction X of the paper feeding path, and the positioning groove 32 is located on the upstream side of the positioning portion 311 in the paper feeding direction X of the paper feeding path, and the positioning groove 32 is provided with a guide surface 321 on a side close to the positioning portion 311, and the guide surface 321 is disposed obliquely.
The thermosensitive module 4 comprises a thermosensitive support 41, a thermosensitive sheet 42 and a thermosensitive paper guide block 43, the thermosensitive support 41 is formed by punching and bending sheet metal sheets, the thermosensitive support 41 is provided with a limit wall 411, the limit wall 411 encloses a mounting groove, the thermosensitive sheet 42 is mounted in the mounting groove, the thermosensitive support 41 is respectively provided with positioning blocks 412 on two sides of the thermosensitive sheet 42 in the width direction Y based on the paper feeding channel, the positioning blocks 412 are arranged on the limit wall 411, and the positioning blocks 412 are positioned on the upstream side of the thermosensitive sheet 42 in the paper feeding direction X based on the paper feeding channel. The thermal sensitive bracket 41 is provided with mounting blocks 413 on two sides of the thermal sensitive sheet 42 in the width direction Y of the paper feeding channel, the mounting blocks 413 extend in the transverse direction, the positioning blocks 412 extend in the longitudinal direction, the mounting blocks 413 on the same side are located on the downstream side of the positioning blocks 412 in the paper feeding direction X of the paper feeding channel, the lower end of the positioning blocks 412 is provided with an arc-shaped end part, specifically, the mounting blocks 413, the positioning blocks 412 and the limiting wall 411 are integrally formed.
The thermal paper guide block 43 is arranged in the mounting groove, the thermal paper guide block 43 is provided with a paper guide surface along the paper feeding channel, the end part of the paper guide surface is close to the thermal sheet 42, and the thermal sheet 42 is positioned at the downstream side of the thermal paper guide block 43 based on the paper feeding direction X of the paper feeding channel.
The inner lid 22 is provided with a mounting groove 221 and a mounting inclined surface 223 at two sides in the width direction, taking one side as an example, the mounting groove 221 is longitudinally extended, the mounting groove 221 is provided with a blocking wall 222 at a longitudinal end, the mounting inclined surface 223 is arranged at one side of the blocking wall 222 opposite to the mounting groove 221, when the thermal module 2 is mounted, the mounting block 413 can slide into the mounting groove 221 from the mounting inclined surface 223, the mounting block 413 is in limit fit with the blocking wall 222, three spring positioning grooves 224 are arranged between the mounting grooves 221 of the inner lid 22, and the thermal printer 1 further comprises springs (not shown), one spring is matched with one spring positioning groove 224, and the spring is abutted between the thermal sensitive support 41 and the spring positioning groove 224 of the inner lid 22.
When closing lid 2, the arc tip cooperates with guide face 321, and locating piece 412 is located constant head tank 32 and is fixed a position cooperation with constant head tank 32, makes the position between temperature sensing piece and the rubber roll can install the fixed a position cooperation more accurately then.
It can be seen from above that, through the constant head tank that sets up at the frame to and set up the locating piece on the temperature sensing support, and the temperature sensing piece directly sets up on the temperature sensing support, so through locating piece and constant head tank location fit for the position between temperature sensing piece and the rubber roll can more accurately install location fit, effectively improves the printing precision, thereby improves and prints the quality.
Claims (10)
1. A thermal printer with a thermal sensitive sheet accurately installed and positioned comprises a thermal sensitive module, a rubber roller, a base and a cover body, wherein the cover body covers the base, and the thermal sensitive module is arranged on the cover body;
the method is characterized in that:
the utility model discloses a paper feed machine, including temperature sensing module, frame, rubber roll, location portion, locating piece, temperature sensing module includes temperature sensing support and temperature sensing piece, the temperature sensing piece sets up on the temperature sensing support, the frame is provided with roller slot and two constant head tanks, the roller slot is provided with location portion respectively at two tip, the rubber roll rotationally sets up in the roller slot and with two the spacing cooperation of location portion, the rubber roll with the temperature sensing piece sets up relatively, the rubber roll with form the paper feed passageway between the temperature sensing piece, one the constant head tank is located one location portion is based on one side of paper feed.
2. The thermal printer according to claim 1, wherein:
the positioning groove is positioned on the upstream side of the positioning part based on the paper feeding direction of the paper feeding channel;
the positioning block is positioned on the upstream side of the thermosensitive plate in the paper feeding direction of the paper feeding channel.
3. The thermal printer according to claim 2, wherein:
the temperature sensing support is provided with a limiting wall, the limiting wall encloses an installation groove, the temperature sensing piece is installed in the installation groove, and the positioning block is arranged on the limiting wall.
4. The thermal printer according to claim 3, wherein:
the positioning block and the limiting wall are integrally formed.
5. The thermal printer according to claim 3, wherein:
the thermosensitive module further comprises a thermosensitive paper guide block, the thermosensitive paper guide block is arranged in the mounting groove, a paper guide surface is arranged on the thermosensitive paper guide block along the paper feeding channel, and the end portion of the paper guide surface is close to the thermosensitive plate.
6. The thermal printer according to claim 1, wherein:
the locating slot is provided with a guide surface at one side close to the locating part, and the guide surface is obliquely arranged.
7. The thermal printer according to claim 6, wherein:
the locating piece is provided with arc tip, arc tip with guide face cooperation.
8. The thermal printer according to any one of claims 1 to 7, wherein:
the heat-sensitive bracket is also provided with a mounting block;
the lid is provided with mounting groove and installation inclined plane, the mounting groove sets up along longitudinal extension, the mounting groove is provided with the card wall at vertical tip, the installation inclined plane sets up the card wall is located one side that the mounting groove is relative, the installation piece can be followed the installation inclined plane slides extremely in the mounting groove, the installation piece with the spacing cooperation of card wall.
9. The thermal printer according to claim 8, wherein:
the mounting block is positioned on one side of the thermosensitive bracket in the width direction of the paper feeding channel;
the mounting groove with the installation inclined plane all is located the lid is based on one side of the width direction of paper feed passageway.
10. The thermal printer according to claim 9, wherein:
the thermal printer further includes a spring abutting between the thermal bracket and the cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920839072.3U CN210363001U (en) | 2019-06-04 | 2019-06-04 | Thermal printer with thermal sensitive sheet accurately installed and positioned |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920839072.3U CN210363001U (en) | 2019-06-04 | 2019-06-04 | Thermal printer with thermal sensitive sheet accurately installed and positioned |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210363001U true CN210363001U (en) | 2020-04-21 |
Family
ID=70263732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920839072.3U Active CN210363001U (en) | 2019-06-04 | 2019-06-04 | Thermal printer with thermal sensitive sheet accurately installed and positioned |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210363001U (en) |
-
2019
- 2019-06-04 CN CN201920839072.3U patent/CN210363001U/en active Active
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