CN110126476B - High-precision thermal printer core - Google Patents
High-precision thermal printer core Download PDFInfo
- Publication number
- CN110126476B CN110126476B CN201910522059.XA CN201910522059A CN110126476B CN 110126476 B CN110126476 B CN 110126476B CN 201910522059 A CN201910522059 A CN 201910522059A CN 110126476 B CN110126476 B CN 110126476B
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- Prior art keywords
- fixing plate
- assembly
- switch
- thermal printer
- hook
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- 238000007639 printing Methods 0.000 claims abstract description 58
- 230000009471 action Effects 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 4
- 210000003205 muscle Anatomy 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract 2
- 230000007547 defect Effects 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 5
- 239000004033 plastic Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000007651 thermal printing Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
- B41J2/32—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 using thermal heads
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- 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
- B41J2/32—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 using thermal heads
- B41J2/335—Structure of thermal heads
-
- 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
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
Landscapes
- Electronic Switches (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Abstract
The invention discloses a high-precision thermal printer core, and belongs to the technical field of printers. The high-precision thermal printer core comprises an upper fixing plate, a printing head assembly, a lower fixing plate and a micro-mechanical switch; the upper fixing plate is detachably connected with the lower fixing plate; the upper fixing plate is provided with an installation groove integrally formed with the upper fixing plate, and the printing head assembly is clamped in the installation groove of the upper fixing plate; the micro-mechanical switch comprises a switch swing rod and a micro-switch, and the micro-switch is arranged on one side of the lower fixing plate; the middle part of the switch swing rod is rotatably arranged on the lower fixed plate, a spring connected with the lower fixed plate is fixedly connected to one end of the switch swing rod, which is close to the micro switch, and the end part of the switch swing rod can be abutted with the micro switch under the action of external force. The thermal printer core can effectively improve printing precision and printing effect, and the printing effect is better than that of a common 203dpi type printer in the market.
Description
Technical Field
The invention relates to the technical field of printers, in particular to a high-precision thermal printer core.
Background
The printing precision of the core of the 58-series thermal printer on the market at present is 203dpi, the printing operation within the effective printing width range of 48mm is finished on the thermal paper with the width of 58mm, the printing density is 8 dots/millimeter, the number of printing dots of each row is 384 dots, and the printing precision is lower, so that the definition of pattern printing is poorer and the printing effect is poor and unsatisfactory in personalized application.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a high-precision thermal printer core, which can effectively improve the printing precision and the printing effect and has the printing effect superior to that of a common 203dpi type printer on the market.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a high-precision thermal printer core comprises an upper fixing plate, a printing head assembly, a lower fixing plate and a micro-mechanical switch; the upper fixing plate is detachably connected with the lower fixing plate; a mounting groove for mounting the printing head assembly is formed in one side, far away from the lower fixing plate, of the upper fixing plate, and the mounting groove and the upper fixing plate are integrally formed; the printing head assembly is clamped in the mounting groove of the upper fixing plate; the micro-mechanical switch comprises a switch swing rod and a micro-switch, and the micro-switch is arranged on one side of the lower fixing plate; the middle part of the switch swing rod is rotatably arranged on the lower fixed plate, a spring connected with the lower fixed plate is fixedly connected to one end of the switch swing rod, which is close to the micro switch, and one end part of the switch swing rod, which is provided with the spring, can be abutted with the micro switch under the action of external force.
Preferably, the invention further comprises a hook assembly, wherein the hook assembly comprises a hook shaft and hooks arranged at two ends of the hook shaft, and a reset spring for resetting the hooks is arranged on the hook shaft; the utility model discloses a couple, including upper fixed plate, lower fixed plate, couple axle, couple, upper fixed plate is provided with the recess that is used for installing the couple subassembly on keeping away from the one side of lower fixed plate, the couple axle sets up in the recess, the tip of couple passes upper fixed plate with lower fixed plate joint.
Further preferably, a hook shaft pressing block is arranged on the hook shaft; the two end parts of the hook shaft pressing block are respectively in threaded connection with the upper fixing plate.
Further preferably, a clamping hole matched with the hook is formed in the end face, close to the upper fixing plate, of the lower fixing plate; when the upper fixing plate and the lower fixing plate are covered, the hooks are clamped in the clamping holes.
Preferably, the invention also comprises a frame and a paper feeding control mechanism; the rack is arranged on the lower fixing plate; the paper feeding control mechanism comprises a rubber roller assembly, a gear assembly and a stepping motor, wherein the rubber roller assembly is rotatably arranged on the frame, the gear assembly and the stepping motor are arranged on one side of the frame, the stepping motor is in transmission connection with the gear assembly, the gear assembly is in transmission connection with the rubber roller assembly, and the stepping motor drives the gear assembly to rotate while driving the rubber roller assembly to rotate.
Preferably, the invention also comprises a heating printing mechanism; the heating printing mechanism comprises a thermosensitive sheet assembly, a radiating plate and a spring piece assembly, wherein the thermosensitive sheet assembly is arranged on the frame, a paper feeding channel is formed between the thermosensitive sheet assembly and the rubber roller assembly, and the radiating plate is arranged on the thermosensitive sheet assembly; the elastic sheet component is arranged on the frame and is abutted with the thermosensitive sheet component.
Preferably, the present invention further comprises a printhead carrier and a printhead baffle; the printing head assembly is arranged on the printing head bracket, and the printing head bracket is clamped in the mounting groove of the upper fixing plate; the printhead baffle is detachably disposed on the upper mounting plate and at a front end of the printhead assembly.
As a preferred embodiment of the invention, mounting holes are formed on two sides of the lower fixing plate, and elastic columns are inserted into the mounting holes; the bullet post includes warhead and cylinder, set up logical groove and transition muscle on the lower tip of cylinder, the cover is equipped with the spring on the cylinder, the cylinder peg graft in the mounting hole.
The invention also provides a high-precision thermal printer which comprises the high-precision thermal printer core.
As a preferred embodiment of the invention, the high-precision thermal printer of the invention further comprises an upper cover, a lower cover, a main board, a paper frame component and a battery; the upper cover and the lower cover are combined to form a cavity, the high-precision thermal printer core and the battery are arranged in the cavity, the paper frame assembly is detachably arranged on the lower fixing plate, and the main plate is arranged between the upper cover and the high-precision thermal printer core and is electrically connected with the battery and the micro switch through wires.
Compared with the prior art, the invention has the beneficial effects that:
according to the high-precision thermal printer core, the printing head assembly is arranged in the mounting groove integrally formed with the upper fixing plate, so that the working stability of the printing head assembly is improved, the printing precision is greatly improved, the printing effect can be effectively improved, pictures can be finely printed, the defects of fuzzy display of detail parts or distortion or deformation of manuscript lines and the like caused by insufficient printing density can be effectively avoided, and the printing effect of the high-precision thermal printer core is obviously better than that of a 203dpi type printer commonly used in the market; simultaneously, the printing head support and the printing head assembly can be assembled from front to back when being assembled, the assembly and the disassembly are easy, and the defects that in the prior art, the plastic plate is easy to deform, the disassembly and the assembly are troublesome and the printing head is difficult to replace due to the mode that the plastic plate is used for covering from back to front are well avoided. The invention is matched with the micro-mechanical switch, thus greatly improving the working reliability of the printer; the printing precision of the invention is further improved by the transmission of the gear assembly.
Drawings
FIG. 1 is a schematic diagram of a high-precision thermal printer cartridge according to the present invention;
FIG. 2 is an exploded view of a high precision thermal printer cartridge according to the present invention;
FIG. 3 is a schematic view of another angular configuration of a high-precision thermal printer cartridge according to the present invention;
FIG. 4 is an exploded view of a thermal blade assembly and gear assembly in a high precision thermal printer cartridge according to the present invention;
FIG. 5 is a schematic diagram of a high-precision thermal printer according to the present invention;
FIG. 6 is an exploded view of a high precision thermal printer according to the present invention;
reference numerals illustrate: 101. an upper cover; 102. a lower cover; 103. a main board; 104. a hook shaft pressing block; 105. a hook assembly; 106. an upper fixing plate; 107. a printhead carriage; 108. a printhead assembly; 109. a printhead baffle; 201. a paper holder assembly; 202. a spring column; 203. a lower fixing plate; 204. a switch swing rod; 205. a frame; 206. a rubber roller assembly; 207. a gear assembly; 208. a stepping motor; 209. a thermal sensitive plate assembly; 301. a thermosensitive sheet; 302. a heat dissipation plate; 303. a spring assembly; 304. FPC connecting wire; 305. a support plate; 306. a side cover; 307. a rubber roller pressing block; 308. a slide switch; 309. a micro-switch; 401. and a battery.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
As shown in fig. 1 to 4, the high-precision thermal printer cartridge according to the present invention includes: an upper fixing plate 106, a hook assembly 105, a printhead assembly 108, a printhead bracket 107, a printhead barrier 109, a lower fixing plate 203, a frame 205, a paper feed control mechanism, a thermal printing mechanism, and a micro-mechanical switch.
Specifically, the upper and lower fixing plates 106 and 203 are detachably connected to facilitate disassembly to facilitate replacement of the printhead assembly 108 and the carriage assembly 201. More specifically, the releasable connection between the upper and lower securing plates 106, 203 is achieved by the hook assembly 105: the hook assembly 105 includes a hook shaft and hooks disposed at both ends of the hook shaft, and a return spring for returning the hooks is disposed on the hook shaft. The upper fixing plate 106 is provided with a groove for installing the hook component 105 on one side close to the upper cover 101, the hook shaft is arranged in the groove, the hook end parts at two ends penetrate through the upper fixing plate 106, and at least two hook shaft pressing blocks 104 are arranged on the hook shaft: one end of the hook shaft pressing block 104 is in screw connection with the upper fixing plate 106, and the other end of the hook shaft pressing block 104 is arranged between the main plate 103 and the upper fixing plate 106 and in screw connection with the main plate 103 and the upper fixing plate 106, so that the hook shaft is rotatably arranged on the upper fixing plate 106. Correspondingly, the end surface of the lower fixing plate 203, which is close to the upper fixing plate 106, is provided with a clamping hole matched with the hook; when the upper fixing plate 106 and the lower fixing plate 203 are covered, the hook clip passes through the upper fixing plate 106 and is arranged in the clip hole. Further, mounting holes are formed in both sides of the end surface of the lower fixing plate 203, which is close to the upper cover 101, and spring posts 202 are detachably arranged in the mounting holes. The bullet post 202 includes warhead and cylinder, has seted up logical groove and transition muscle on the lower tip of cylinder, and the cover is equipped with the spring on the cylinder, and bullet post 202 peg graft in the mounting hole, plays the effect of supplementary bullet to the opening of upper fixed plate 106 and lower fixed plate 203: when the upper and lower fixing plates 106 and 203 are covered, the elastic column 202 and the spring are compressed downward; when the upper and lower fixing plates 106 and 203 are opened to each other, the spring column 202 moves upward and lifts up the upper fixing plate 106 by the return resilience force of the spring, thereby playing a role of assisting in lifting up the upper fixing plate 106.
Specifically, the side of the upper fixing plate 106 far away from the upper cover 101 is provided with a mounting groove for mounting the print head bracket 107 and the print head assembly 108, and the mounting groove and the upper fixing plate 106 are integrally formed, so that the print head bracket 107 and the print head assembly 108 can be mounted from front to back in mounting, and are easy to mount and dismount, and the defects that in the prior art, the plastic plate is easy to deform, the dismounting and mounting are troublesome and the print head is difficult to replace due to the mode of mounting from back to front and then covering with the plastic plate are well avoided. The print head assembly 108 is arranged on the print head bracket 107, the print head bracket 107 and the print head assembly 108 are clamped in the mounting groove of the upper fixing plate 106, and the mounting groove has a limiting effect on the print head bracket 107 and the print head assembly 108, so that the print head assembly 108 can be stably operated and is convenient to install. The print head damper 109 is disposed at the front end of the print head assembly 108, and is detachably disposed on the upper fixing plate 106 by screwing and clamping, and plays a role in fixing the print head assembly 108.
Further, a containing groove for installing the paper frame assembly 201 is formed in the downward recess of one side of the lower fixing plate 203, clamping grooves are formed in groove walls of two sides of the containing groove, clamping blocks matched with the clamping grooves are arranged on two sides of the paper frame assembly 201, and the paper frame assembly 201 is detachably connected with the lower fixing plate 203 in the clamping grooves through the clamping blocks on the two sides, so that the printing paper can be replaced conveniently.
Specifically, the paper feed control mechanism includes a rubber roller assembly 206, a gear assembly 207, and a stepping motor 208. The frame 205 is disposed on a side of the lower fixing plate 203 near the lower cover 102, the rubber roller assembly 206 is rotatably disposed on the frame 205, and the rubber roller block 307 is disposed on an end of the rubber roller, so that the rubber roller assembly 206 is rotatably disposed on the frame 205. The gear assembly 207 and the step motor 208 are arranged on one side of the frame 205, the step motor 208 is in transmission connection with the gear assembly 207, the gear assembly 207 is in transmission connection with the rubber roller assembly 206, and the step motor 208 drives the gear assembly 207 to rotate and simultaneously drives the rubber roller assembly 206 to rotate. More specifically, the rubber roller assembly 206 includes a rubber roller rotatably disposed on the frame 205, and a transmission gear connected to one end of the rubber roller, which is engaged with the gear assembly 207, and when the stepping motor 208 is started, a driving gear on an output shaft of the stepping motor 208 drives the gear assembly 207 to rotate, and the gear assembly 207 drives the transmission gear to rotate, thereby realizing rotation of the rubber roller. Preferably, a side cover 306 for covering the gear assembly 207 is provided at a position of the frame 205 corresponding to the gear assembly 207, so as to prevent dust and the like from falling into the gear assembly 207 to affect operation. The control unit on the main board 103 sends out driving pulse to control the rubber roller assembly 206 to rotate by a specific angle, so that the control of specific paper feeding length can be realized. The step motor 208 has a minimum step angle parameter, and for a specific thermal print head, the height parameter of the printing point is also constant, so that the transmission parameter of the gear assembly 207 and the diameter parameter of the rubber roller need to be adjusted in a matching way, so that when the length of one line of paper is fed according to the height parameter of the printing point of the thermal print sheet 301, the rotation angle of the step motor 208 is an integral multiple of the minimum step angle, and the printing dislocation caused by accumulated errors is avoided.
More specifically, the thermal printing mechanism comprises a thermal sheet assembly 209, a heat dissipation plate 302 and a spring plate assembly 303, wherein the thermal sheet assembly 209 is arranged on the frame 205, a paper feeding channel is formed between the thermal sheet assembly 209 and the rubber roller assembly 206, and the heat dissipation plate 302 is arranged on the thermal sheet assembly 209; the spring assembly 303 is disposed on the frame 205 and abuts the thermal pad assembly 209. The control unit can communicate with the thermal sensitive sheet assembly 209 according to the communication time, and the designated area is controlled to generate heat at a specific time, so that the printing trace can be left at the corresponding position of the thermal sensitive sheet 301. The thermal sensitive sheet 301 is driven by the friction force of the rubber roller to realize paper feeding, the friction force is indirectly controlled by the pressure provided by the elastic sheet component 303, if the pressure is too small, the paper slipping phenomenon is easy to occur, and if the pressure is too large, the rubber roller and the thermal sensitive sheet 301 are extruded too strongly, so that the rubber roller is seriously deformed; in addition, the printing mechanism needs to be kept perpendicular to the paper feeding direction, otherwise, the printing area is offset along with paper feeding, so that in the process of mounting the heat dissipation plate 302 and the thermal sensitive sheet assembly 209, the mounting accuracy of the heat dissipation plate 302 and the thermal sensitive sheet assembly 301 needs to be controlled, and matching deviation of the printing mechanism is avoided. Preferably, the frame 205 is provided with a support plate 305 for covering the thermal sensitive sheet assembly 209 at a position corresponding to the thermal sensitive sheet assembly 209, so as to prevent dust and other impurities from falling into the thermal sensitive sheet assembly 209 to affect operation.
Further, a micro-mechanical switch is further disposed on the lower fixing plate 203 near the gear assembly 207, the micro-mechanical switch includes a switch swing rod 204 and a micro-switch 309, the middle of the switch swing rod 204 is rotatably disposed on the lower fixing plate 203, one end of the switch swing rod 204 can be abutted to a hook, a spring is fixedly connected to the other end of the switch swing rod, the other end of the spring is vertically upwards connected to the lower fixing plate 203, the micro-switch 309 is disposed on the lower fixing plate 203 near the end of the switch swing rod 204 where the spring is disposed, and the micro-switch 309 is electrically connected to the main board 103 through a wire. When the upper fixing plate 106 and the lower fixing plate 203 are covered, the hook abuts against one end of the switch swing rod 204 and enables the end to rotate anticlockwise, so that the other end of the switch swing rod 204 is driven to move upwards, the end abuts against the micro switch 309, and the micro switch 309 is turned on. When the upper and lower fixing plates 106 and 203 are opened, the external force on the switch swing link 204 disappears, and the reset is performed by the reset spring force of the spring, thereby opening the micro switch 309. Therefore, the invention can effectively ensure the reliability by adopting the micro-mechanical switch.
As shown in fig. 5 to 6, the high-precision thermal printer provided by the invention comprises an upper cover 101, a lower cover 102, the high-precision thermal printer core, a main board 103, a paper frame assembly 201, a battery 401 and a control unit; the upper cover 101 and the lower cover 102 are covered to form a cavity, the battery 401 is adhered to the lower fixing plate 203 of the high-precision thermal printer core, and the high-precision thermal printer core and the battery 401 are arranged in the cavity: the lower fixing plate 203 and the upper fixing plate 106 are respectively provided with a clamping position, the lower cover 102 and the upper cover 101 are respectively provided with corresponding clamping buckles, the lower fixing plate 203 is clamped with the lower cover 102, and the upper fixing plate 106 is clamped with the upper cover 101. The control unit is arranged on the main board 103 and is electrically connected with the movement through an FPC connecting wire 304. The FPC connection line 304 provides an electrical connection path between the control unit and the movement, and can be customized according to a specific model structure, and can also integrate a micro photoelectric switch and a micro limit switch device thereon, so as to improve the applicability of the module. The paper holder assembly 201 is detachably disposed on the lower fixing plate 203, and the main plate 103 is disposed between the upper cover 101 and the high-precision thermal printer cartridge and electrically connected to the battery 401 and the micro switch 309, respectively, through wires. When the printer is assembled, a sliding switch 308 can be arranged on one side of the lower cover 102, when the upper cover 101 and the lower cover 102 are covered, the sliding switch 308 can clamp the hook part of the hook, the sliding switch 308 can be slid to enable the hook part of the hook to be separated from the sliding switch 308, and the hook component 105 is reset under the reset resilience force of the spring, so that the function of uncovering is realized. In summary, the thermal printer greatly improves the printing precision, can effectively improve the printing effect, can finely print pictures, and effectively avoids the defects of fuzzy display of detail parts, distortion or deformation of manuscript lines and the like caused by insufficient printing density, so that the printing effect of the thermal printer is obviously better than that of a 203dpi type printer commonly used in the market.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.
Claims (9)
1. A high-precision thermal printer core is characterized in that: comprises an upper fixed plate, a printing head component, a lower fixed plate, a hook component and a micro-mechanical switch; the upper fixing plate is detachably connected with the lower fixing plate through the hook component; a mounting groove for mounting the printing head assembly is formed in one side, far away from the lower fixing plate, of the upper fixing plate, and the mounting groove and the upper fixing plate are integrally formed; the printing head assembly is clamped in the mounting groove of the upper fixing plate;
the hook assembly comprises a hook shaft and hooks arranged at two ends of the hook shaft, and a reset spring for resetting the hooks is arranged on the hook shaft; a groove for installing a hook assembly is formed in one side, far away from the lower fixing plate, of the upper fixing plate, the hook shaft is arranged in the groove, and the end part of the hook penetrates through the upper fixing plate and is clamped with the lower fixing plate;
the micro-mechanical switch comprises a switch swing rod and a micro-switch, and the micro-switch is arranged on one side of the lower fixing plate; the middle part of the switch swing rod is rotatably arranged on the lower fixed plate, one end of the switch swing rod can be abutted with the hook, the other end of the switch swing rod is fixedly connected with the spring, the other end of the spring is vertically upwards connected with the lower fixed plate, the micro switch is arranged at the position, close to the end, of the switch swing rod, of the lower fixed plate, which is provided with the spring, and the end part of the switch swing rod, which is provided with the spring, can be abutted with the micro switch under the action of external force;
when the upper fixing plate and the lower fixing plate are covered, the hook is abutted with one end of the switch swing rod, so that the end part of the hook rotates anticlockwise, the other end of the switch swing rod is driven to move upwards, the end part of the other end is abutted with the micro switch, and the micro switch is turned on; when the upper fixing plate and the lower fixing plate are opened, the external force on the switch swing rod disappears, and the switch swing rod is reset under the action of the reset elastic force of the spring, so that the micro switch is disconnected.
2. The high precision thermal printer cartridge of claim 1 wherein: a hook shaft pressing block is arranged on the hook shaft; the two end parts of the hook shaft pressing block are respectively in threaded connection with the upper fixing plate.
3. The high precision thermal printer cartridge of claim 1 wherein: the end face, close to the upper fixing plate, of the lower fixing plate is provided with a clamping hole matched with the hook; when the upper fixing plate and the lower fixing plate are covered, the hooks are clamped in the clamping holes.
4. The high precision thermal printer cartridge of claim 1 wherein: the machine also comprises a frame and a paper feeding control mechanism; the rack is arranged on the lower fixing plate; the paper feeding control mechanism comprises a rubber roller assembly, a gear assembly and a stepping motor, wherein the rubber roller assembly is rotatably arranged on the frame, the gear assembly and the stepping motor are arranged on one side of the frame, the stepping motor is in transmission connection with the gear assembly, the gear assembly is in transmission connection with the rubber roller assembly, and the stepping motor drives the gear assembly to rotate while driving the rubber roller assembly to rotate.
5. The high precision thermal printer cartridge of claim 4 wherein: the printing machine also comprises a heating printing mechanism; the heating printing mechanism comprises a thermosensitive sheet assembly, a radiating plate and a spring piece assembly, wherein the thermosensitive sheet assembly is arranged on the frame, a paper feeding channel is formed between the thermosensitive sheet assembly and the rubber roller assembly, and the radiating plate is arranged on the thermosensitive sheet assembly; the elastic sheet component is arranged on the frame and is abutted with the thermosensitive sheet component.
6. The high precision thermal printer cartridge of claim 1 wherein: the printing head device also comprises a printing head bracket and a printing head baffle; the printing head assembly is arranged on the printing head bracket, and the printing head bracket is clamped in the mounting groove of the upper fixing plate; the printhead baffle is detachably disposed on the upper mounting plate and at a front end of the printhead assembly.
7. The high precision thermal printer cartridge of claim 1 wherein: mounting holes are formed in two sides of the lower fixing plate, and elastic columns are inserted into the mounting holes; the bullet post includes warhead and cylinder, set up logical groove and transition muscle on the lower tip of cylinder, the cover is equipped with the spring on the cylinder, the cylinder peg graft in the mounting hole.
8. A high precision thermal printer, characterized in that: a high precision thermal printer cartridge comprising a cartridge according to any one of claims 1 to 7.
9. The high precision thermal printer of claim 8, wherein: the paper rack comprises a main board, a paper rack assembly, a paper rack and a battery, wherein the paper rack assembly is arranged on the main board; the upper cover and the lower cover are combined to form a cavity, the high-precision thermal printer core and the battery are arranged in the cavity, the paper frame assembly is detachably arranged on the lower fixing plate, and the main plate is arranged between the upper cover and the high-precision thermal printer core and is electrically connected with the battery and the micro switch through wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910522059.XA CN110126476B (en) | 2019-06-17 | 2019-06-17 | High-precision thermal printer core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910522059.XA CN110126476B (en) | 2019-06-17 | 2019-06-17 | High-precision thermal printer core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110126476A CN110126476A (en) | 2019-08-16 |
| CN110126476B true CN110126476B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910522059.XA Active CN110126476B (en) | 2019-06-17 | 2019-06-17 | High-precision thermal printer core |
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| CN (1) | CN110126476B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11571918B2 (en) | 2020-07-27 | 2023-02-07 | Datamax-O'neil Corporation | Printing apparatus |
| CN112590404B (en) * | 2020-12-24 | 2022-01-07 | 容大合众(厦门)科技集团股份公司 | Thermosensitive printing structure and installation mode thereof |
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