CN214821937U

CN214821937U - Thermal printing head and printer

Info

Publication number: CN214821937U
Application number: CN202121055672.4U
Authority: CN
Inventors: 易军干; 王强
Original assignee: Hunan Meisong Information Technology Co ltd
Current assignee: Hunan Meisong Information Technology Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-11-23
Anticipated expiration: 2031-05-18

Abstract

The utility model discloses a thermal printing head and a printer, relating to the technical field of printers, wherein the thermal printing head comprises a shell, which is provided with an opening for printing paper to penetrate in and out; the thermosensitive assembly is arranged in the shell and comprises a thermosensitive sheet and a control circuit for controlling the thermosensitive sheet to generate heat, and the thermosensitive sheet is positioned on a motion path of printing paper and is tightly attached to the printing paper; wheel components installs in the casing for make beat printing paper process temperature sensing components, the beneficial effects of the utility model are that: printing through the heat-sensitive piece, more traditional printing mode can reduce the printing process consumption, and is comparatively energy-conserving, reduces the pollution of consumptive material and printing medium to the environment, also can noise pollution abatement, environmental protection more, adopts step motor and gear drive group's drive mode moreover, and power take off is steady, and the noise value is steerable between 40-50dB, and more traditional printing can effectively the noise reduction, reaches the purpose that reduces environmental pollution.

Description

Thermal printing head and printer

Technical Field

The utility model relates to a printer technical field specifically is a thermal printing head and printer.

Background

A printer is one of the output devices of a computer for printing the results of a computer process on an associated medium. The indexes for measuring the quality of the printer comprise three items: print resolution, print speed and noise. There are many types of printers, and an impact printer and a non-impact printer are classified according to whether or not a printing element strikes paper. Full-font character printers and dot matrix character printers are classified according to the character structure to be printed. A line printer is divided into a serial printer and a line printer in such a manner that a line character is formed on a paper. According to the adopted technology, the printer is divided into a column type, a spherical type, an ink jet type, a thermal type, a laser type, an electrostatic type, a magnetic type, a light emitting diode type and the like.

The printing power of the traditional printer is generally in the range of 500-1000W, the power consumption is high, and the traditional printer adopts an ink box or a photosensitive drum, and the media pollute the environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thermal printer head and printer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a thermal print head comprising:

a housing provided with an opening for the printing paper to pass in and out;

the thermosensitive assembly is arranged in the shell and comprises a thermosensitive sheet and a control circuit for controlling the thermosensitive sheet to generate heat, and the thermosensitive sheet is positioned on a motion path of printing paper and is tightly attached to the printing paper;

and the roller assembly is arranged in the shell and is used for enabling printing paper to pass through the thermosensitive assembly.

As a further aspect of the present invention: the shell comprises a cover opening shell support and a shell support which are detachably connected, and a cover opening mechanism is further installed on the shell support.

As a further aspect of the present invention: the roller assembly comprises a roller, and the roller is arranged in the shell support and used for driving printing paper to pass through the thermosensitive assembly.

As a further aspect of the present invention: the thermosensitive assembly further comprises a printing head plate and an inductive optical coupler, and the inductive optical coupler, the control circuit and the thermosensitive sheet are all installed on the printing head plate.

As a further aspect of the present invention: the printing head plate is hinged in the shell through a rotating shaft, an elastic piece is arranged between the printing head plate and the inner wall of the shell, and the elastic piece is used for enabling the thermosensitive sheet to be tightly attached to the printing paper.

Another object of the embodiments of the present invention is to provide a printer, which includes a driving assembly and a paper collecting assembly, and further includes a thermal printhead.

As a further aspect of the present invention: the driving assembly comprises a stepping motor and a gear transmission group connected with the stepping motor, and the output end of the gear transmission group is connected with the roller assembly.

Compared with the prior art, the beneficial effects of the utility model are that: printing through the heat-sensitive piece, more traditional printing mode can reduce the printing process consumption, and is comparatively energy-conserving, reduces the pollution of consumptive material and printing medium to the environment, also can noise pollution abatement, environmental protection more, adopts step motor and gear drive group's drive mode moreover, and power take off is steady, and the noise value is steerable between 40-50dB, and more traditional printing can effectively the noise reduction, reaches the purpose that reduces environmental pollution.

Drawings

Fig. 1 is an exploded view of a thermal print head.

Fig. 2 is a schematic structural diagram of a thermal printer.

In the figure: the device comprises a rotating shaft 1, a cover opening shell bracket 2, a printing head plate 3, an inductive optocoupler 4, a control circuit 5, a heat sensitive sheet 6, a roller 7, a shell bracket 8, a cover opening mechanism 9, a connector 10 and a pressure spring 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, in an embodiment of the present invention, a thermal printhead includes:

a housing provided with an opening for the printing paper to pass in and out;

the heat-sensitive component is arranged in the shell and comprises a heat-sensitive sheet 6 and a control circuit 5 for controlling the heat-sensitive sheet 6 to generate heat, and the heat-sensitive sheet 6 is positioned on a motion path of printing paper and is tightly attached to the printing paper;

The embodiment of the utility model provides a when actual application, beat printing paper and move under wheel components's drive, temperature sensing piece 6 is controlled the heating of control circuit 5, produces the image content that needs to print, the rendition is to beating on printing paper to realize printing the process, because the temperature sensing printing mode is to beating the production of content heating, more traditional printing mode can reduce and print the process consumption, and is comparatively energy-conserving, reduces consumptive material and printing medium pollution to the environment, also can noise abatement pollute, environmental protection more.

Referring to fig. 1, as a preferred embodiment of the present invention, the housing includes a cover-opening housing support 2 and a housing support 8 which are detachably connected, and a cover-opening mechanism 9 is further installed on the housing support 8.

The embodiment of the utility model provides an in, the mode that uncap shell support 2 and shell support 8 can dismantle the connection has the multiple, can realize for modes such as screw, buckle, and this embodiment does not carry out specific injecing here, and the setting purpose of uncap mechanism 9 also lies in convenient realization and uncaps, for example can be the structure of knob formula, and this embodiment also does not carry out specific injecing here.

Referring to fig. 1, as another preferred embodiment of the present invention, the roller assembly includes a roller 7, and the roller 7 is installed in a housing support 8 for driving printing paper to pass through the heat sensitive assembly.

In the embodiment of the present invention, the roller 7 is driven and rotated by the external mechanism, and then drives the printing paper to move, and the specific structure of the external mechanism will be introduced in the subsequent embodiment, and no specific limitation is performed here.

Referring to fig. 1, as another preferred embodiment of the present invention, the thermal sensing assembly further includes a printhead board 3 and an inductive optocoupler 4, wherein the inductive optocoupler 4, a control circuit 5, and a thermal sensing strip 6 are mounted on the printhead board 3.

The embodiment of the utility model provides an in, print head board 3 is as the installation carrier of response opto-coupler 4, control circuit 5 and temperature sensing piece 6, and wherein, the setting aim at of response opto-coupler 4, whether temperature sensing piece 6 department has printing paper and temperature sensing piece 6 and beat whether there is clearance etc. between the printing paper.

Referring to fig. 1, as another preferred embodiment of the present invention, the printhead board 3 is hinged to the casing through a rotating shaft 1, and an elastic member is disposed between the printhead board 3 and the inner wall of the casing, and the elastic member is used to keep the thermal sensitive sheet 6 close to the printing paper.

In one embodiment of the present invention, the elastic member is a compression spring 11, and an end of the compression spring 11 is connected to the printhead board 3 through a connection head 10, and the purpose of the present invention is to keep the thermal sensitive sheet 6 in close contact with the printing paper by the elastic action of the compression spring 11.

Specifically, the driving assembly comprises a stepping motor and a gear transmission group connected with the stepping motor, and the output end of the gear transmission group is connected with the roller assembly.

The embodiment of the utility model provides an in, adopt step motor and gear drive group's drive mode, power take off is steady, and the noise value is steerable between 40-50dB, and more tradition is printed and can be effectively the noise reduction, reaches the purpose that reduces environmental pollution.

The above embodiment of the utility model provides a thermal print head, and provide a printer based on this thermal print head, print through the heat-sensitive piece, more traditional printing mode can reduce the printing process consumption, it is comparatively energy-conserving, reduce consumptive material and printing medium pollution to the environment, also can noise abatement pollution, environmental protection more, and adopt the driving method of step motor and gear drive group, power output is steady, noise value is steerable between 40-50dB, more traditional printing can effective noise reduction, reach the purpose that reduces environmental pollution.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A thermal print head, comprising:

a housing provided with an opening for the printing paper to pass in and out;

the heat-sensitive component is arranged in the shell and comprises a heat-sensitive sheet (6) and a control circuit (5) for controlling the heat-sensitive sheet (6) to generate heat, and the heat-sensitive sheet (6) is positioned on a motion path of printing paper and is tightly attached to the printing paper;

2. A thermal print head according to claim 1, wherein the housing comprises a cover housing support (2) and a housing support (8) which are detachably connected, and a cover opening mechanism (9) is further mounted on the housing support (8).

3. A thermal printhead according to claim 2, wherein the roller assembly comprises a roller (7), the roller (7) being mounted in a housing support (8) for carrying printing paper through the thermal assembly.

4. A thermal printhead according to claim 1, 2 or 3 wherein the thermal assembly further comprises a printhead plate (3) and an inductive optocoupler (4), the inductive optocoupler (4), control circuitry (5) and a thermal sensor pad (6) being mounted on the printhead plate (3).

5. A thermal print head according to claim 4, characterized in that the head plate (3) is mounted in the casing by means of a hinge (1), and an elastic element is provided between the head plate (3) and the inner wall of the casing, and the elastic element is used to keep the thermal sheet (6) in close contact with the print paper.

6. A printer comprising a drive assembly and a delivery assembly, further comprising a thermal print head according to any of claims 1 to 5.

7. The printer of claim 6, wherein the drive assembly includes a stepper motor and a gear train coupled to the stepper motor, an output of the gear train being coupled to the roller assembly.