Printer with paper heating function

Abstract

The utility model relates to a printer with a paper heating function, and relates to the technical field of printing devices.The printer comprises a printer body, a cavity is vertically formed in the end of the printer body to form a heating cavity, a heating mechanism is arranged in the heating cavity and comprises an air inlet fan shell and a heating shell, and an air inlet fan is fixedly arranged in the air inlet fan shell; the heating mechanism comprises a heating piece and a light reflecting piece. The air inlet fan provides sufficient air circulation for the heating mechanism, and it is ensured that heat evenly emitted by the heating piece can be effectively reflected to the paper. The air inlet fan shell and the heating shell are connected through a bent pipe, and the design avoids excessive heat consumption when hot air flows in a pipeline. Therefore, heat can be transferred to the paper more efficiently, and the rapid and uniform heating effect is achieved. According to the printer, printing paper in the printer can be heated and dried, the paper is kept dry, the paper is prevented from being damped and mildewed, and the situation of paper jam is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of printing devices, in particular to a printer with paper heating function. BACKGROUND

[0002] In the field of office equipment, printers are one of the important output devices, and their performance and functions directly affect work efficiency and print quality. Especially in humid environments, the humidity of paper often becomes a key factor affecting the normal operation of the printer. After the paper is damp, it is easy to mold, and it may also cause paper jam and other failures, which seriously affect the printing efficiency and printing quality. The existing traditional printers usually do not have a paper heating function, and can only reduce the influence of paper humidity by improving the working environment, increasing paper pretreatment, etc. However, these methods often cannot fundamentally solve the drying problem of the paper, especially in high humidity environments, the effect is more limited. CONTENT OF THE UTILITY MODEL

[0003] In order to realize the heating and drying function of the paper, and avoid the problems of paper damp, mold and paper jam, the present application provides a printer with paper heating function.

[0004] The printer with paper heating function provided by the present application adopts the following technical scheme:

[0005] A printer with paper heating function, comprising a printer body, a recess is formed on the bottom of the printer body to form a paper discharge slot, a paper discharge box is pullably arranged in the paper discharge slot, a cavity is vertically formed on the end of the printer body to form a heating cavity, a heating mechanism is arranged in the heating cavity, the heating mechanism comprises an air inlet fan housing and a heating housing, an air inlet fan is fixedly arranged in the air inlet fan housing, and the heating mechanism comprises a heating sheet and a reflective sheet.

[0006] By adopting the above technical scheme, the recess formed on the bottom of the printer body serves as a paper discharge slot, which provides a stable and easy-to-manage space for paper placement. In the paper discharge slot, the pullably arranged paper discharge box facilitates the user's paper loading and paper changing operation; at the end of the printer body, a vertically formed heating cavity is provided, and a heating mechanism is arranged in the heating cavity. The heating mechanism is used to realize the heating function of the paper. The heating housing is internally provided with a heating sheet and a reflective sheet. The heating sheet is responsible for generating heat, and the reflective sheet can reflect the heat to the paper to ensure that the paper can be uniformly heated. This design not only improves the heat efficiency, but also avoids the wasteful consumption of heat. The paper can be dried, the paper can be kept dry, the paper can be prevented from being damp and moldy, and paper jam can be avoided.

[0007] In a specific implementation scheme, the air inlet fan housing is fixedly arranged at the upper end of the heating cavity, and an air inlet grille is formed on the top of the air inlet fan housing.

[0008] In one specific implementation, the heating shell is arranged below the air inlet fan shell, and is arranged at one end of the heating cavity bottom close to the paper discharge slot, and a spacing distance is formed on the side of the heating shell away from the paper discharge slot.

[0009] By adopting the above technical solution, the air inlet fan shell is fixedly arranged at the upper end of the heating cavity, and the air inlet grille is arranged at the top of the air inlet fan shell, which is beneficial to the circulation of air and provides sufficient air circulation for the heating mechanism. The heating shell in the heating mechanism is arranged below the air inlet fan shell and at one end of the heating cavity bottom close to the paper discharge slot. Such a layout enables the heating shell to effectively heat the passing paper.

[0010] In one specific implementation, a pipeline is connected between the heating shell and the air inlet fan shell, and the pipeline is arranged as an elbow pipe, which is connected to the bottom of the air inlet fan shell and communicates with the heating shell at the spacing distance on the side of the heating shell away from the paper discharge slot.

[0011] By adopting the above technical solution, the pipeline is connected between the heating shell and the air inlet fan shell. The pipeline is designed as an elbow pipe, which communicates with the heating shell from one side of the heating shell. Such a design can ensure smooth flow of hot air in the pipeline, thereby maximizing the avoidance of heat loss.

[0012] In one specific implementation, the paper extraction box comprises a box body and an end cover, the end cover is fixed with the box body, and a pulling handle is arranged on the end cover.

[0013] By adopting the above technical solution, the paper extraction box is composed of a box body and an end cover, and the end cover is fixed with the box body to ensure the stability of the structure. Meanwhile, the pulling handle arranged on the end cover enables the user to easily extract or push the box body.

[0014] In one specific implementation, a tightening assembly is arranged in the box body, the tightening assembly comprises a sliding groove arranged at the bottom of the box body, a spring is arranged in the sliding groove, one end of the spring is fixedly arranged at one end of the sliding groove close to the end cover, and the other end of the spring is fixedly connected with a fixing block.

[0015] In one specific implementation, a vertical plate is fixedly arranged at the top of the fixing block, a pressing plate is slidingly arranged on the vertical plate, a plug-in groove for plug-in cooperation with the vertical plate is arranged on the pressing plate, and the pressing plate is plugged into the vertical plate through the plug-in groove.

[0016] By adopting the above technical solution, when the paper is put into the paper extraction box, the pressing plate will tightly press the paper under the action of the spring, so as to ensure that the paper will not move during printing.

[0017] In a specific embodiment, a paper box outer cover is arranged at the slot opening of the paper placing slot, and an outer cover rotating shaft is arranged at the bottom of the slot opening of the paper placing slot.

[0018] By adopting the above technical scheme, the paper box outer cover is arranged at the slot opening of the paper placing slot. This design can prevent dust and other sundries from entering the paper placing slot, and keep the paper clean. Meanwhile, the outer cover rotating shaft is arranged, so that the paper box outer cover can be conveniently opened and closed, and the user can easily put or take out the paper box.

[0019] In summary, the present application has at least one of the following beneficial technical effects:

[0020] 1. By arranging the heating mechanism, a heating cavity is vertically arranged at the end of the printer body, and the heating mechanism comprises an air inlet fan, a heating sheet and a reflecting sheet. The air inlet fan can provide sufficient air flow for the heating mechanism, ensuring that the heat generated by the heating sheet can be uniformly reflected onto the paper, so that the paper can be rapidly and uniformly heated. The air inlet fan housing and the heating housing are connected through a bent pipe, which ensures smooth flow of hot air in the pipeline and avoids unnecessary consumption of heat. Meanwhile, the design of the bent pipe also enables the heat to be more effectively transferred to the paper.

[0021] 2. By arranging the pressing assembly, the pressing assembly comprises a sliding groove, a spring, a fixed block and a pressing plate. When the paper is placed in the paper box, the pressing plate will tightly press the paper under the action of the spring, ensuring the stability of the paper during printing and heating, and avoiding the problem of paper movement when hot air blows on the printing paper. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a perspective view of an embodiment of the present application;

[0023] Figure 2 is a schematic view of the paper box in an extracted state;

[0024] Figure 3 and Figure 4 is a schematic view of the air inlet fan housing and the air inlet fan structure;

[0025] Figure 5 is a schematic view of the bent pipe connection structure;

[0026] Figure 6 , Figure 7 and Figure 9 are schematic views of the heating housing, the heating sheet and the reflecting sheet;

[0027] Figure 8 is a schematic view of the pressing assembly.

[0028] Explanation of reference signs: 1, printer body; 11, air inlet fan; 12, air inlet fan shell; 121, air inlet grille; 14, elbow; 15, heating sheet; 16, reflective sheet; 17, heating shell; 18, slot; 19, heating fixing frame; 10, heating cavity; 2, paper discharge slot; 3, paper box; 31, sliding groove; 32, spring; 33, fixed block; 34, vertical plate; 35, pressing plate; 36, box body; 37, end cover; 38, pull handle; 4, paper box outer cover; 42, handle. DETAILED DESCRIPTION

[0029] The application will be further described in detail below with reference to the drawings.

[0030] In the description of the utility model, it needs to be understood that, the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right etc. for the orientation or position relationship shown in the drawings, is only for the convenience of describing the utility model and simplifying the description, and is not to indicate or imply that the device or element indicated must have a particular orientation, is constructed and operated in a particular orientation, and therefore can not be understood as a limitation on the utility model.

[0031] The embodiment of the application discloses a printer with paper heating function, Figure 1 and Figure 2 , comprising a printer body 1, the bottom of the printer body 1 is provided with a recess to form a paper discharge slot 2, a paper box 3 is pullably arranged in the paper discharge slot 2, the paper box 3 is used for storing paper, the paper box 3 comprises a box body 36 and an end cover 37, the end cover 37 is fixed with the box body 36, and a pull handle 38 for pulling is arranged on the end cover 37. The printing paper is specifically prevented in the box body 36.

[0032] Referring to Figure 8The top-tightening assembly is arranged in the box body 36, and the top-tightening assembly comprises a sliding groove 31 arranged at the bottom of the box body 36, a spring 32 arranged in the sliding groove 31, one end of the spring 32 fixedly arranged at one end of the sliding groove 31 close to the end cover 37, and a fixed block 33 fixedly connected to the other end of the spring 32. The cross-sectional shape of the fixed block 33 is matched with the interface shape of the sliding groove 31, so that the fixed block 33 is in sliding fit with the sliding groove 31, and the fixed block 33 can move along the sliding groove 31 under the elastic driving of the spring 32. In order to make the fixed block 33 move more smoothly in the sliding groove 31, the fixed block 33 and the sliding groove 31 are polished and polished, and the fixed block 33 is made of metal material, so that the self-weight of the fixed block 33 is enhanced, and the fixed block 33 is not ejected by the self-gravity. The top of the fixed block 33 is fixedly provided with a vertical plate 34, the vertical plate 34 is slidably provided with a pressing plate 35, the pressing plate 35 is provided with a plug-in groove for plug-in cooperation with the vertical plate 34, the pressing plate 35 is plug-in on the vertical plate 34 through the plug-in groove, and when the box body 36 is placed with the printing paper, the pressing plate 35 is pressed on the top of the stacked printing paper, and the pressing plate 35 plays a role of flattening the printing paper.

[0033] A paper box cover 4 is arranged at the notch of the paper placing groove 2, a rotating shaft is arranged at the bottom position of the notch of the paper placing groove 2, and the paper box cover 4 is rotatably arranged on the rotating shaft, so that the paper box cover 4 can be opened and closed along the rotating shaft, and the paper box cover 4 is used for sealing the placing groove. The handle 42 is fixedly arranged on the paper box cover 4, so as to facilitate the opening and closing operation of the user.

[0034] Referring to Figure 3 and Figure 4 , the end of the printer body 1 is vertically provided with a cavity to form a heating cavity 10, and the heating cavity 10 is provided with a heating mechanism. The heating mechanism comprises an air inlet fan housing 12 and a heating housing 17. The air inlet fan housing 12 is fixedly arranged at the upper end of the heating cavity 10, and the air inlet fan housing 12 is clamped in the heating cavity 10 by buckling. Specifically, the outer surface of the air inlet fan housing 12 is provided with a clamping protrusion, and the position corresponding to the air inlet fan housing 12 in the heating cavity 10 is provided with a clamping groove matched with the clamping protrusion. The air inlet fan 11 is fixedly arranged in the air inlet fan housing 12 and is driven to rotate by a servo motor. The air inlet fan 11 is used for pumping external air into the air inlet fan housing 12. The top of the air inlet fan housing 12 is provided with an air inlet grille 121.

[0035] Referring to Figure 5 , Figure 6 , Figure 7 and Figure 9The heating cavity 10 is further provided with a heating shell 17 made of high-temperature resistant material. The heating shell 17 is arranged below the air inlet fan shell 12 and is fixed in the same way as the air inlet fan shell 12. The heating shell 17 is arranged at one end of the heating cavity 10 close to the paper discharge slot 2 and is provided with a spacing distance at the side away from the paper discharge slot 2. A pipeline is connected between the heating shell 17 and the air inlet fan shell 12. Since the heating shell 17 is arranged at one end of the heating cavity 10 close to the paper discharge slot 2, the pipeline is arranged as a bend pipe 14. The bend pipe 14 is connected to the bottom of the air inlet fan shell 12 and communicates with the heating shell 17 at the spacing distance away from the paper discharge slot 2. The bend pipe 14 is provided with a sealing gasket at the connection with the air inlet fan shell 12 and the heating shell 17. The heating shell 17 is provided with a heating mechanism including a plurality of heating fins 15 and a reflecting sheet 16. The heating shell 17 is provided with a plurality of insertion grooves 18 in the upper and lower inner walls. The heating fins 15 are vertically inserted into the insertion grooves 18. The heating fins 15 are arranged as light-heat heating and are connected to the power supply of the printer by wires. The reflecting sheet 16 is fixed to the sides of the heating shell 17 and is arranged as an arc-shaped mirror surface. The reflecting sheet 16 can reflect the light source towards the direction of the paper discharge slot 2.

[0036] When the printer is needed, the paper box cover 4 is first opened, and the printing paper is placed in the paper discharge box 3. Then, the heating mechanism in the heating cavity 10 at the end of the printer body 1 starts to work. The air inlet fan 11 is driven to rotate by the servo motor, pumps the external air into the air inlet fan shell 12, and enters through the air inlet grille 121. The heating shell 17 is provided with a plurality of heating fins 15 connected to the power supply of the printer by wires, i.e. starts to work after being powered on. At the same time, the side of the heating shell 17 close to the paper discharge slot 2 is provided with a reflecting sheet arranged as an arc-shaped mirror surface, which can reflect the light source towards the direction of the paper discharge slot 2, enhancing the heating effect. When the heating fins 15 work, heat is generated and transferred to the air in the air inlet fan shell 12 through the heating shell 17 and the bend pipe 14. Due to the rotation of the air inlet fan 11, the heated air is pumped into the paper discharge slot 2 to heat the printing paper placed in the paper discharge box 3. This heating method can not only uniformly heat the paper, but also effectively prevent the problem of print quality decline caused by damp paper.

[0037] The above-described embodiments only express the implementation manners of the utility model, and the description is relatively specific and detailed, but it cannot be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model, so that equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. A printer with a paper heating function, characterized in that: The printer includes a printer body (1), the bottom of which has a groove forming a paper tray (2), a paper tray (3) is pulled out and installed in the paper tray (2), and a heating chamber (10) is vertically opened at the end of the printer body (1). A heating mechanism is installed in the heating chamber (10), the heating mechanism includes an air intake fan housing (12) and a heating housing (17), an air intake fan (11) is fixedly installed in the air intake fan housing (12), and the heating mechanism includes a heating element (15) and a reflector (16).

2. A printer with paper heating function according to claim 1, characterized in that: The air intake fan housing (12) is fixedly installed at the upper end of the heating chamber (10), and an air intake grille (121) is provided on the top of the air intake fan housing (12).

3. A printer with paper heating function according to claim 2, characterized in that: The heating shell (17) is located below the air intake fan shell (12). The heating shell (17) is located at the bottom of the heating chamber (10) near the paper tray (2). A gap is formed on the side of the heating shell (17) away from the paper tray (2).

4. A printer with paper heating function according to claim 3, characterized in that: A pipe is connected between the heating shell (17) and the air intake fan shell (12). The pipe is configured as a bend (14). The bend (14) is connected to the bottom of the air intake fan shell (12). The bend (14) communicates with the heating shell (17) from a distance away from the paper tray (2).

5. A printer with paper heating function according to claim 1, characterized in that: The tissue box (3) includes a box body (36) and an end cap (37). The end cap (37) is fixed to the box body (36), and a pull handle (38) for pulling out is provided on the end cap (37).

6. A printer with paper heating function according to claim 5, characterized in that: The box body (36) is provided with a clamping assembly. The clamping assembly includes a slide groove (31) opened at the bottom of the box body (36). A spring (32) is provided in the slide groove (31). One end of the spring (32) is fixedly disposed at one end of the slide groove (31) near the end cover (37). The other end of the spring (32) is fixedly connected to a fixing block (33).

7. A printer with paper heating function according to claim 6, characterized in that: A vertical plate (34) is fixedly installed on the top of the fixed block (33), and a pressure plate (35) is slidably installed on the vertical plate (34). The pressure plate (35) has an insertion groove for interlocking with the vertical plate (34), and the pressure plate (35) is inserted into the vertical plate (34) through the insertion groove.

8. A printer with paper heating function according to claim 1, characterized in that: The paper tray (2) is provided with a paper box cover (4) at the opening of the tray, and a rotating shaft is provided at the bottom of the opening of the paper tray (2). The paper box cover (4) is rotatably mounted on the rotating shaft.

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