CN219191673U

CN219191673U - Thermal printing structure with preheating body

Info

Publication number: CN219191673U
Application number: CN202320267152.2U
Authority: CN
Inventors: 陈龙翰
Original assignee: Xiamen Core Ceramics Technology Co ltd
Current assignee: Xiamen Core Ceramics Technology Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-06-16
Anticipated expiration: 2033-02-21

Abstract

The utility model discloses a thermal printing structure with a preheating body, which comprises a printing shell, wherein a first preheating component and a second preheating component are arranged in the middle of the printing shell, a temperature sensor is arranged between the first preheating component and the second preheating component, a paper feeding rubber roller mechanism and a thermal printing head are arranged in the middle of the printing shell, and the first preheating component and the second preheating component both comprise a heating frame and are sleeved on the heating frame and the preheating roller group.

Description

Thermal printing structure with preheating body

Technical Field

The utility model relates to the technical field of thermal printing structures, in particular to a thermal printing structure with a preheating body.

Background

The principle of the existing thermal printer is that a layer of thermal coating is coated on a printing medium, and the thermal coating is heated to a certain temperature and then changes color due to chemical reaction, so that an image is obtained. However, different kinds of printing media of different manufacturers have great color sensitivity difference, in addition, the actual printing concentration is affected by the difference of ambient temperature, the conventional thermal printing head uses the heat generated by the heating resistor body to act on the thermal medium coated with the thermal sensing layer, so that the thermal medium is colored, and when the paper is thicker or the working environment of the printer is lower, the printing is easy to generate distortion, so that a thermal printing structure with a preheating body is needed.

Disclosure of Invention

The application provides a thermal printing structure with a preheating body, which is used for solving the problems in the background technology.

The utility model is realized in the following way:

the utility model provides a thermal print structure with preheating body, is including printing the casing, print casing mid-mounting and have first preheating component and second preheating component, be provided with between first preheating component and the second preheating component and install temperature sensor, the mid-mounting of printing the casing has paper feed rubber roll mechanism and thermal print head, first preheating component and second preheating component all include the heating frame and overlap and establish at heating frame and preheating roller group.

Further, the heating frame comprises a bracket, a metal upper cylinder and a metal lower cylinder, wherein the metal upper cylinder is arranged right above the metal lower cylinder, and the metal upper cylinder and the metal lower cylinder are both rotatably arranged on the side face of the bracket.

Furthermore, the gear plates are fixedly arranged on the metal upper cylinder and the metal lower cylinder, and the gear plates on the metal upper cylinder are meshed with the gear plates of the metal lower cylinder.

Further, a driving motor for driving the metal upper cylinder to rotate is arranged on the bracket, and the driving motor is fixedly connected with the bracket.

Further, the preheating roller set comprises a fixing frame, an upper heating rod and a lower heating rod, wherein the upper heating rod is installed in the metal upper cylinder, the lower heating rod is installed in the metal lower cylinder, and the upper heating rod and the lower heating rod are vertically installed on the inner side face of the fixing frame.

Furthermore, the lower end surfaces of the bracket and the fixing frame are fixedly provided with external fixing plates, and the external fixing plates are symmetrically provided with connecting holes.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has the advantages that the paper is preheated before printing, so that the printer is not influenced by the external environment temperature in the use process, and the paper preheating temperature is better controlled by the cooperation of the two preheating components, so that the thermal printing head is more convenient to print.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of the device of the present utility model;

FIG. 2 is a perspective view of the first preheating assembly shown in FIG. 1;

FIG. 3 is a front view of the device of FIG. 2;

FIG. 4 is a perspective view of the heating rack of FIG. 2;

fig. 5 is a perspective view of the preheat roll set shown in fig. 2.

In the figure: 1. a print housing; 2. a first preheating assembly; 21. a heating rack; 211. a bracket; 212. a metal upper cylinder; 213. a metal lower cylinder; 214. a gear plate; 215. a driving motor; 22. a preheat roll set; 221. a fixing frame; 222. an upper heating rod; 223. a lower heating rod; 23. an outer fixing plate; 231. a connection hole; 3. a second preheating assembly; 4. a temperature sensor; 5. a paper feeding rubber roller mechanism; 6. a thermal print head.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

Referring to fig. 1, 2 and 3, a thermal printing structure with a preheating body comprises a printing shell 1, a first preheating component 2 and a second preheating component 3 are installed in the middle of the printing shell 1, a temperature sensor 4 is installed between the first preheating component 2 and the second preheating component 3, a paper feeding rubber roll mechanism 5 and a thermal printing head 6 are installed in the middle of the printing shell 1, and the first preheating component 2 and the second preheating component 3 comprise a heating frame 21 and a preheating roll set 22 which are sleeved on the heating frame 21. When the printing processing is needed, the paper firstly passes through the first preheating component 2, the upper heating rod 222 and the lower heating rod 223 in the preheating roller set 22 are used for respectively heating the metal upper cylinder 212 and the metal lower cylinder 213, so that when the paper passes between the metal upper cylinder 212 and the metal lower cylinder 213, the first preheating can be realized through synchronous rotation of the metal upper cylinder 212 and the metal lower cylinder 213, the preheating temperature is far lower than the color changing temperature of the thermal paper, the printing effect of the thermal printing head 6 is not damaged, the surface temperature of the paper can be acquired through the temperature sensor 4 after the paper passes through the first preheating, the second preheating component 3 does not need to be heated for preheating again after the preheating effect is achieved, and the preheating operation can be carried out again without reaching the preheating effect, so that the thermal printing head 6 can also better carry out the printing operation in the environment with lower temperature.

Referring to fig. 4, the heating rack 21 includes a bracket 211, a metal upper cylinder 212, and a metal lower cylinder 213, the metal upper cylinder 212 is disposed directly above the metal lower cylinder 213, and the metal upper cylinder 212 and the metal lower cylinder 213 are both rotatably mounted on the side surfaces of the bracket 211. A driving motor 215 for driving the metal upper cylinder 212 to rotate is mounted on the bracket 211, and the driving motor 215 is fixedly connected with the bracket 211. The gear plate 214 is fixedly arranged on the metal upper cylinder 212 and the metal lower cylinder 213, and the gear plate 214 on the metal upper cylinder 212 is meshed with the gear plate 214 of the metal lower cylinder 213. The gear disc 214 is arranged to ensure that the metal upper cylinder 212 and the metal lower cylinder 213 can synchronously and reversely rotate, so that the situation of paper damage is avoided, and meanwhile, the bracket 211 is arranged to conveniently rotate and install the metal upper cylinder 212 and the metal lower cylinder 213, so that the metal upper cylinder 212 and the metal lower cylinder 213 can be driven to synchronously rotate through the driving motor 215.

Referring to fig. 5, the preheating roll set 22 includes a fixing frame 221, an upper heating rod 222 and a lower heating rod 223, the upper heating rod 222 is installed in the metal upper cylinder 212, the lower heating rod 223 is installed in the metal lower cylinder 213, and both the upper heating rod 222 and the lower heating rod 223 are vertically installed on the inner side surface of the fixing frame 221. The lower end surfaces of the bracket 211 and the fixing frame 221 are fixedly provided with an outer fixing plate 23, and the outer fixing plate 23 is symmetrically provided with connecting holes 231. The upper heating rod 222 and the lower heating rod 223 are fixedly installed through the fixing frame 221 by arranging the structure of the preheating roller set 22, so that the upper heating rod 222 can conveniently perform heating operation in the metal upper cylinder 212, and simultaneously, the lower heating rod 223 can perform heating operation in the metal lower cylinder 213.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A thermal printing structure with a preheating body, comprising a printing housing (1), characterized in that: the printing device comprises a printing shell (1), wherein a first preheating component (2) and a second preheating component (3) are arranged in the middle of the printing shell (1), a temperature sensor (4) is arranged between the first preheating component (2) and the second preheating component (3), a paper feeding rubber roller mechanism (5) and a thermal printing head (6) are arranged in the middle of the printing shell (1), and the first preheating component (2) and the second preheating component (3) both comprise a heating frame (21) and a preheating roller set (22) which are sleeved with the heating frame (21).

2. A thermal printing structure with a pre-heating body according to claim 1, characterized in that the heating rack (21) comprises a bracket (211), a metal upper cylinder (212) and a metal lower cylinder (213), the metal upper cylinder (212) is arranged right above the metal lower cylinder (213), and the metal upper cylinder (212) and the metal lower cylinder (213) are both rotatably mounted at the side of the bracket (211).

3. A thermal printing structure with a preheating body according to claim 2, wherein the upper metal cylinder (212) and the lower metal cylinder (213) are fixedly provided with gear plates (214), and the gear plates (214) on the upper metal cylinder (212) are meshed with the gear plates (214) on the lower metal cylinder (213).

4. A thermal printing structure with a preheating body according to claim 3, characterized in that the bracket (211) is provided with a driving motor (215) for driving the metal upper cylinder (212) to rotate, and the driving motor (215) is fixedly connected with the bracket (211).

5. The thermal printing structure with a preheating body according to claim 4, wherein the preheating roller set (22) includes a fixing frame (221), an upper heating rod (222) and a lower heating rod (223), the upper heating rod (222) is installed in the metal upper cylinder (212), the lower heating rod (223) is installed in the metal lower cylinder (213), and both the upper heating rod (222) and the lower heating rod (223) are vertically installed on the inner side surface of the fixing frame (221).

6. The thermal printing structure with the preheating body according to claim 5, wherein the outer fixing plates (23) are fixedly arranged on the lower end surfaces of the bracket (211) and the fixing frame (221), and the connecting holes (231) are symmetrically formed in the outer fixing plates (23).