CN114475008A

CN114475008A - Portable thermal printer core

Info

Publication number: CN114475008A
Application number: CN202210191702.7A
Authority: CN
Inventors: 胡丛; 罗建邦
Original assignee: Zhuhai Seal Interest Technology Co Ltd
Current assignee: Zhuhai Seal Interest Technology Co Ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-05-13

Abstract

The invention provides a portable thermal printer core, which comprises a core assembly, wherein the core assembly comprises a core main bracket, a printing mechanism is arranged on the core main bracket, and a motor is arranged in the core main bracket; the compression roller assembly comprises a compression roller bracket and a compression roller arranged on the compression roller bracket, and the compression roller is connected with a rotating shaft of the motor through a gear and rotates along with the motor; wherein, the lower extreme of core subassembly is provided with the PCB subassembly. The invention can effectively improve the printing precision and the printing effect, and the printing effect is better than that of a common printer with a 203dpi model on the market.

Description

Portable thermal printer core

Technical Field

The invention relates to a portable thermal printer core, and belongs to the technical field of printer equipment.

Background

At present, the printing precision of 80 series of thermal printer cores on the market is mostly 203dpi, printing operation within the 472mm effective printing width range is completed on 80mm thermal paper, the printing density is 8 dots/mm, the number of printing dots in each row is 384 dots, and the printing precision is low, so that the pattern printing definition is poor, the printing effect is poor and the printing effect is unsatisfactory in personalized application.

Disclosure of Invention

Aiming at the technical problems in the prior art, the invention provides a portable thermal printer core which can effectively improve the printing precision and the printing effect, and the printing effect is superior to that of a common printer with a 203dpi model on the market.

The invention provides a portable thermal printer core, comprising:

the core assembly comprises a core main bracket, a printing mechanism is arranged on the core main bracket, and a motor is arranged in the core main bracket;

the compression roller assembly comprises a compression roller bracket and a compression roller arranged on the compression roller bracket, and the compression roller is connected with a rotating shaft of the motor through a gear and rotates along with the motor;

wherein, the lower extreme of core subassembly is provided with the PCB subassembly.

A further improvement of the invention is that the printing mechanism comprises a printing plate fixing device for fixing the printing plate, and a printing head connected with the printing plate fixing device.

The printing piece fixing device comprises a printing piece fixing support, and the printing piece fixing support is connected with a printing piece radiating fin through a plurality of printing springs.

The printing sheet fixing support is further improved in that fixing plates are respectively arranged on two sides of the printing sheet fixing support, a shaft hole is formed in the lower end of each fixing plate, and a shaft for fixing the printing sheet fixing support is arranged in each shaft hole; and the upper end of the fixing plate is provided with a clamping jaw matched with the compression roller.

The invention is further improved in that the printing head comprises a printing head thermal sensitive sheet and a printing head movable shaft connected with the printing sheet radiator.

The invention has the further improvement that a key seat is also arranged on the main bracket of the machine core, and a key movable seat is arranged below the key seat.

The invention has the further improvement that a movement detection device is also arranged on the main support of the movement, and the movement detection device comprises a movement detection FPC and a movement detection FPC assembly arranged at the lower end of the main support of the movement; and a detection switch is arranged on the side surface of the main support of the movement.

The invention has the further improvement that the compression roller support comprises a first support plate and a second support plate which are connected with each other at a certain included angle, and a compression roller cover is arranged on one side of the structural opening enclosed by the first support plate and the second support plate;

triangular side plates are arranged at two ends of the compression roller bracket, and mounting holes for mounting compression rollers are formed in the side plates.

The invention is further improved in that a compression roller detection FPC is arranged inside the compression roller bracket.

The invention has the further improvement that a motor connecting gear assembly is arranged on a rotating shaft of the motor, a compression roller gear assembly is arranged on the compression roller, and the motor connecting gear is connected with the compression roller gear assembly.

Compared with the prior art, the invention has the advantages that:

the portable thermal printer core can effectively improve the printing precision and the printing effect, and the printing effect is superior to that of a common printer with a 203dpi model on the market.

Drawings

Preferred embodiments of the present invention will be described in detail below with reference to the attached drawing figures, wherein:

FIG. 1 is a schematic diagram of a portable thermal printer cartridge according to one embodiment of the present invention;

FIG. 2 is a schematic diagram of a portable thermal printer cartridge according to one embodiment of the present invention shown in an assembled and disassembled state;

FIG. 3 is an exploded view of a portable thermal printer cartridge according to one embodiment of the present invention;

in the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.

The meaning of the reference symbols in the drawings is as follows:

1. core assembly, 2, compression roller assembly, 3, PCB subassembly, 11, the core main support, 12, including a motor, 13, print the piece fixed bolster, 14, print the leaf spring, 15, print the piece fin, 16, beat printer head heat-sensitive piece, 17, beat printer head loose axle, 18, the key holder, 19, the key sliding seat, 20, the compression roller main support, 21, the compression roller lid, 22, the compression roller, 23, the compression roller gear assembly, 24, motor connection gear subassembly, 31, PCB board, 32, the core detects the FPC briquetting, 33, the core detects FPC, 34, detect switch, 35, the compression roller detects FPC.

Detailed Description

In order to make the technical solutions and advantages of the present invention more apparent, exemplary embodiments of the present invention are described in further detail below with reference to the accompanying drawings. It is clear that the described embodiments are only a part of the embodiments of the invention, and not an exhaustive list of all embodiments. And the embodiments and features of the embodiments may be combined with each other without conflict.

Figure 1 schematically shows a portable thermal printer cartridge according to the present invention comprising: core assembly 1, compression roller assembly 2 and PCB subassembly 3. The movement assembly 1 comprises a main movement support 11, a printing mechanism is arranged on the main movement support 11, and a motor 12 is arranged in the main movement support 11. The compression roller assembly 2 comprises a compression roller support and a compression roller arranged on the compression roller support, and the compression roller is connected with a rotating shaft of the motor 12 through a gear and rotates along with the motor 12. The lower extreme of core subassembly 1 is provided with PCB subassembly 3.

In one embodiment, the printing mechanism includes a print chip holder for holding a print chip, and a print head coupled to the print chip holder, the print head being a thermal print head.

In one embodiment, the print sheet fixing device includes a print sheet fixing support 13, the print sheet fixing support 13 is a long strip-shaped plate-shaped structure, one side surface of the print sheet fixing support is provided with a plurality of mounting shafts, a print sheet spring 14 is arranged on the mounting shafts, a first end of the print sheet spring 14 is fixed on the print sheet fixing support 13, and the other end of the print sheet spring is arranged on a heat sink 15 connected with the print sheet.

In the portable thermal printer movement according to the present embodiment, the main body of the printing sheet fixing bracket 13 is a rectangular structure, fixing plates are disposed on both sides of the main body, a shaft hole is disposed at the lower end of each fixing plate, a shaft is disposed inside the fixing plate, the printing sheet fixing bracket 13 is fixed on the main bracket 11 of the movement by the shaft, and the printing sheet fixing bracket can rotate within a certain angle along the shaft. The upper end of fixed plate is provided with the jack catch, the jack catch can block the axle of compression roller to accomplish the installation.

In one embodiment, the printhead includes a printhead thermal die 16 and a printhead spool 17 coupled to the die heat sink. The lower extreme of printing the both sides of fin is provided with the shaft hole respectively, print the loose axle and pass two shaft holes.

In one embodiment, the movement main support 11 is further provided with a key base 18, and a key moving base 19 is arranged below the key base 18. The other end of the key pad 18 corresponds to the print sheet fixing holder 13, and pressure can be applied to the key pad by pressing the key pad. When the key base 18 applies pressure to the key moving base 19, the other end of the key moving base 19 applies pressure to the printing sheet fixing support 13 to enable the printing sheet fixing support to rotate by taking the shaft in the shaft hole as a shaft, so that the angles of the clamping jaws at the upper ends of the fixing plates at the two sides of the printing sheet fixing support 13 are changed, the shaft of the press roller is separated, and the press roller can be detached.

In one embodiment, a movement detection device is further arranged on the main movement support 11, and comprises a movement detection FPC33 and a movement detection FPC33 component arranged at the lower end of the main movement support 11; a detection switch 34 is arranged on the side surface of the main support 11 of the movement.

In one embodiment, the press roll bracket comprises a first bracket plate and a second bracket plate which are connected with each other at a certain included angle, and a press roll cover 21 is arranged on one side of a structural opening surrounded by the first bracket plate and the second bracket plate; triangular side plates are arranged at two ends of the compression roller support, and mounting holes for mounting compression rollers are formed in the side plates.

In one embodiment, the interior of the platen roller holder is provided with a platen roller detection FPC 35.

According to the portable thermal printer of the embodiment, the structures of all parts are optimized, so that the portable thermal printer is more compact and convenient to carry, and the printing precision is improved.

While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, the appended claims are intended to be construed to include preferred embodiments and all such changes and/or modifications as fall within the scope of the invention, and all such changes and/or modifications as are made to the embodiments of the present invention are intended to be covered by the scope of the invention.

Claims

1. A portable thermal printer cartridge, comprising:

the automatic printing machine comprises a machine core assembly (1), wherein the machine core assembly (1) comprises a main machine core bracket (11), a printing mechanism is arranged on the main machine core bracket (11), and a motor (12) is arranged in the main machine core bracket (11);

the compression roller assembly (2) comprises a compression roller bracket and a compression roller arranged on the compression roller bracket, and the compression roller is connected with a rotating shaft of the motor (12) through a gear and rotates along with the motor (12);

wherein, the lower extreme of core subassembly (1) is provided with PCB subassembly (3).

2. The portable thermal printer cartridge of claim 1, wherein the printing mechanism includes a print chip holder to hold a print chip, and a print head coupled to the print chip holder.

3. A portable thermal printer cartridge according to claim 2, wherein the die holder comprises a die holder (13), the die holder (13) being connected to the die heat sink (15) by a plurality of printing springs.

4. The portable thermal printer movement according to claim 3, wherein fixing plates are respectively disposed on two sides of the printing sheet fixing support (13), a shaft hole is disposed at the lower end of each fixing plate, and a shaft for fixing the printing sheet fixing support (13) is disposed in each shaft hole; and the upper end of the fixing plate is provided with a clamping jaw matched with the compression roller.

5. The portable thermal printer cartridge according to claim 4, wherein the print head includes a print head thermal blade (16), and a print head spool (17) to which the print blade heat sink is attached.

6. The portable thermal printer movement according to claim 5, wherein a key base (18) is further disposed on the main support (11), and a key moving base (19) is disposed below the key base (18).

7. A portable thermal printer cartridge according to any one of claims 1 to 6, wherein a cartridge detection device is further provided on the main cartridge support (11), the cartridge detection device comprising a cartridge detection FPC (33), and a cartridge detection FPC (33) component provided at a lower end of the main cartridge support (11); and a detection switch (34) is arranged on the side surface of the main support (11) of the movement.

8. The portable thermal printer cartridge according to claim 7, wherein the platen roller holder includes a first holder plate and a second holder plate connected at an included angle, and a platen roller cover (21) is provided on a side of the first holder plate and the second holder plate enclosing a structural opening;

9. A portable thermal printer cartridge according to claim 8, wherein a platen roller detection FPC (35) is provided inside the platen roller holder.

10. The portable thermal printer cartridge according to claim 9, wherein a motor connection gear assembly (24) is provided on a rotating shaft of the motor (12), a platen roller gear assembly (23) is provided on the platen roller, and the motor (12) connection gear is connected to the platen roller gear assembly (23).