Ink-jet printer nozzle heating device

Abstract

The utility model relates to an ink-jet printer nozzle heating device which comprises a heating nozzle left assembly and a heating nozzle right assembly, an ink box printing head installation cavity used for installing an ink box printing head is arranged between the heating nozzle left assembly and the heating nozzle right assembly, and the heating nozzle left assembly comprises a heating nozzle left shell and a left side heating assembly. The right heating nozzle assembly comprises a right heating nozzle shell and a right heating assembly, and the left heating assembly and the right heating assembly are both heated through infrared radiation sources. The ink box printing head is heated by the left side heating assembly and the right side heating assembly, so that the ink box printing head can work at a constant working temperature in winter, and the jet printing quality of the nozzle is ensured. Wherein the left side heating assembly and the right side heating assembly are both heated through infrared radiation sources, and the infrared radiation sources have the advantages of being rapid in temperature rise, high in heat efficiency, even in heating, safe to use, long in service life and the like. And in consideration of a cold environment in winter, the application range of the industrial ink-jet printer can be wider.

Description

Technical Field

[0001] The utility model relates to the technical field of inkjet printers, in particular to a nozzle heating device for inkjet printers. Background Art

[0002] In high-resolution inkjet printers, the working environment of the ink cartridge print head (the ink cartridge print head is a nozzle with an integrated ink cartridge, used in inkjet printing equipment) is limited to 10~40 degrees, because in a low temperature environment, the ink may become viscous and the fluidity may decrease, thereby affecting the printing quality of the nozzle, causing nozzle blockage, nozzle pressure instability and other problems. However, the temperature in winter is often lower than this range, which seriously affects the printing quality. In response to the above problems, this application makes improvements and proposes a nozzle heating device for inkjet printers to ensure the working temperature of the ink cartridge print head. Utility Model Content

[0003] The utility model provides a nozzle heating device for an inkjet printer, which solves the above problems existing in the use process of the prior art.

[0004] The technical solution of the utility model is implemented as follows: a nozzle heating device for an inkjet printer comprises a left heating nozzle assembly and a right heating nozzle assembly, wherein an ink cartridge print head mounting cavity is provided between the left heating nozzle assembly and the right heating nozzle assembly, wherein the left heating nozzle assembly comprises a left heating nozzle shell and a left heating assembly, wherein the right heating nozzle assembly comprises a right heating nozzle shell and a right heating assembly, wherein the left heating nozzle shell and the right heating nozzle shell are detachably combined together, and the left heating assembly and the right heating assembly are respectively located on the left and right sides of the ink cartridge print head mounting cavity.

[0005] Preferably, both the left heating component and the right heating component are heated by infrared radiation sources.

[0006] Preferably, the left heating component and the right heating component both include a lamp bead circuit board and infrared lamp beads electrically connected to the lamp bead circuit board.

[0007] Preferably, at least four infrared lamp beads are arranged and distributed on the lamp bead circuit board.

[0008] Preferably, the left shell of the heating nozzle and the right shell of the heating nozzle are both provided with installation cavities on the left and right sides of the ink cartridge print head installation cavity, the lamp bead circuit board is installed in the installation cavity, and the installation cavity is provided with a heating guard plate for covering the lamp bead circuit board.

[0009] Preferably, the heating guard plate is provided with a light-transmitting opening corresponding to the infrared lamp beads.

[0010] Preferably, the left shell of the heating nozzle and the right shell of the heating nozzle are both provided with a plurality of screw openings in the installation cavity, screws are arranged in the screw openings, a connecting opening for the screws to pass through is provided on the lamp bead circuit board, the screws pass through the connecting opening and are threadedly connected to a limiting sleeve, a socket corresponding to the limiting sleeve is provided on the heating guard plate, the limiting sleeve is interference fit in the socket, and a supporting step is provided on the limiting sleeve for supporting the side of the heating guard plate facing the lamp bead circuit board.

[0011] In summary, the beneficial effects of the present invention are:

[0012] 1. The ink cartridge print head is installed in the ink cartridge print head installation cavity when in use. The utility model heats the ink cartridge print head through the left heating component and the right heating component, thereby ensuring that the ink cartridge print head can work at a constant working temperature in winter and ensuring the printing quality of the nozzle. The left heating component and the right heating component are both heated by infrared radiation sources. Compared with other heating methods such as PTC, MCH or alloy wire heating and then conducted through the air, the infrared radiation source has the advantages of rapid heating, high thermal efficiency, uniform heating, safe use, and long service life. Considering the cold environment in winter, the industrial inkjet printer can be applied to a wider range of applications.

[0013] 2. The infrared radiation source includes a plurality of infrared lamp beads arranged and distributed on the lamp bead circuit board. Multiple infrared lamp beads are used to heat the ink cartridge print head, so that the ink cartridge print head can be heated more evenly instead of concentrating the heat on a certain point.

[0014] 3. The heating guard plate of the utility model can well protect the lamp bead circuit board and the infrared lamp beads, and prevent other structures from touching the lamp bead circuit board and the infrared lamp beads to cause damage. In addition, the utility model can reliably fix the lamp bead circuit board in the installation cavity through the action of screws and limit sleeves, and make the heating guard plate firmly cover the lamp bead circuit board to form protection. In addition, the light-transmitting opening on the heating guard plate can well allow the infrared radiation on each infrared lamp bead to pass through and irradiate the ink cartridge print head. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2for Figure 1 Schematic diagram of the structure when observed from another perspective;

[0018] Figure 3 It is a schematic diagram of the explosion of the structure of the utility model;

[0019] Figure 4 for Figure 3 Schematic diagram of the structure when observed from another perspective;

[0020] Figure 5 This is a schematic diagram of the structure of the right component of the heating nozzle in the utility model after removing the heating guard plate and other structures;

[0021] Figure 6 It is a schematic diagram of the structure explosion of the left component of the heating nozzle in the utility model;

[0022] Figure 7 This is a schematic diagram of the structure after the ink cartridge print head is inserted into the utility model.

[0023] In the figure: 1. Heating nozzle left assembly; 2. Heating nozzle right assembly; 3. Ink cartridge print head installation cavity; 4. Heating nozzle left shell; 5. Heating nozzle right shell; 6. Lamp bead circuit board; 7. Infrared lamp bead; 8. Installation cavity; 9. Heating guard plate; 10. Light transmission port; 11. Screw hole; 12. Screw; 13. Connection port; 14. Limit sleeve; 15. Socket; 16. Support step; 17. Interface board; 18. Power socket; 19. Ink cartridge print head. DETAILED DESCRIPTION

[0024] The following will be combined with the attached embodiment of the present utility model Figure 1-7 , clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example:

[0026] like Figures 1 to 6As shown, the utility model discloses a nozzle heating device for a printer, including a left nozzle heating component 1 and a right nozzle heating component 2, and an ink cartridge print head installation cavity 83 for placing an ink cartridge print head 19 is provided between the left nozzle heating component 1 and the right nozzle heating component 2, wherein the left nozzle heating component includes a left nozzle heating shell 4 and a left heating component, and the right nozzle heating component 2 includes a right nozzle heating shell 5 and a right heating component, and the left nozzle heating shell 4 and the right nozzle heating shell 5 are detachably combined together by a screw, and the left heating component and the right heating component are respectively located on the left and right sides of the ink cartridge print head installation cavity 83, so as shown in FIG. Figure 7 As shown, when the ink cartridge print head 19 is located in the ink cartridge print head installation cavity 83, the left heating component and the right heating component can heat both sides of the ink cartridge print head 19, thereby ensuring that the ink cartridge print head 19 can work at a constant working temperature even in winter, thereby ensuring the printing quality of the nozzle. It should be noted that the left heating nozzle component 1, the right heating nozzle component 2, the interface board 17, and the power socket 18 can be assembled into a printer printing box.

[0027] Furthermore, both the left and right heating components are heated by infrared radiation sources, which have the advantages of rapid heating, high thermal efficiency, uniform heating, safe use, and long service life compared to other heating methods such as PTC, MCH or alloy wire heating and then air conduction. Considering the cold environment in winter, the industrial inkjet printer can be applied in a wider range.

[0028] Specifically, the left heating assembly and the right heating assembly both include a lamp bead circuit board 6 and an infrared lamp bead 7 electrically connected to the lamp bead circuit board 6. Ten infrared lamp beads 7 are arranged and distributed on each lamp bead circuit board 6. It should also be noted that the lamp bead circuit board 6 also has a temperature sensor and a temperature switch (not shown in the figure). After the ink cartridge print head is inserted into the ink cartridge print head installation cavity 83, its two side walls are heated by the radiation of the infrared lamp bead 7 on the lamp bead circuit board 6. The temperature is controlled by the temperature switch through the induction of the temperature sensor. When the radiation temperature is heated to 30-40°C, the infrared lamp bead 7 is turned on (heating) and off (keeping warm) by the temperature switch to ensure that the ink cartridge print head can work at a constant working temperature.

[0029] The installation structure of the lamp bead circuit board 6 is specifically as follows: the left shell 4 of the heating nozzle and the right shell 5 of the heating nozzle are both provided with installation cavities 8 on the left and right sides of the ink cartridge print head installation cavity 83, and the lamp bead circuit board 6 is installed in the installation cavity 8. In addition, a heating guard plate 9 for covering the lamp bead circuit board 6 is also provided on the installation cavity 8. The heating guard plate 9 can well protect the lamp bead circuit board 6 and the infrared lamp beads 7 to prevent other structures from touching the lamp bead circuit board 6 and the infrared lamp beads 7 and causing damage. The heating guard plate 9 is provided with a light-transmitting port 10 corresponding to the infrared lamp beads 7. When the ten infrared lamp beads 7 heat the ink cartridge print head, the ink cartridge print head can be heated more evenly instead of concentrating the heat on a certain point. The corresponding light-transmitting port 10 can well allow the infrared radiation on each infrared lamp bead 7 to pass through and irradiate the ink cartridge print head. In addition, in order to make the ink cartridge print head heated more evenly, metal patches with good thermal conductivity can also be affixed to the two walls of the ink cartridge print head.

[0030] Furthermore, the left shell 4 of the heating nozzle and the right shell 5 of the heating nozzle are both provided with a plurality of screw openings 11 in the installation cavity 8, and screws 12 are arranged in the screw openings 11, and a connecting port 13 for the screws 12 to pass through is provided on the lamp bead circuit board 6, and the screws 12 pass through the connecting port 13 and are threadedly connected to the limiting sleeve 14, and a socket 15 corresponding to the limiting sleeve 14 is provided on the heating guard plate 9, and the limiting sleeve 14 is interference fit in the socket 15, and a supporting step 16 is provided on the limiting sleeve 14 for supporting the side of the heating guard plate 9 facing the lamp bead circuit board 6. The utility model can reliably fix the lamp bead circuit board 6 in the installation cavity 8 through the action of the screws 12 and the limiting sleeve 14, and make the heating guard plate 9 firmly cover the lamp bead circuit board 6 to form protection.

[0031] It should also be pointed out that the terms used in the present invention, such as "front", "rear", "vertical", "horizontal", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only used to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A nozzle heating device for a printer, characterized in that: It includes a left heating nozzle component and a right heating nozzle component, and an ink cartridge print head installation cavity is provided between the left heating nozzle component and the right heating nozzle component. The left heating nozzle component includes a left heating nozzle shell and a left heating component, and the right heating nozzle component includes a right heating nozzle shell and a right heating component. The left heating nozzle shell and the right heating nozzle shell can be detachably combined together, and the left heating component and the right heating component are respectively located on the left and right sides of the ink cartridge print head installation cavity.

2. The inkjet printer nozzle heating device according to claim 1, characterized in that: The left heating component and the right heating component are both heated by infrared radiation sources.

3. The inkjet printer nozzle heating device according to claim 2, characterized in that: The left heating component and the right heating component both include a lamp bead circuit board and infrared lamp beads electrically connected to the lamp bead circuit board.

4. The inkjet printer nozzle heating device according to claim 3, characterized in that: At least four infrared lamp beads are arranged and distributed on the lamp bead circuit board.

5. The inkjet printer nozzle heating device according to claim 4, characterized in that: The left shell of the heating nozzle and the right shell of the heating nozzle are both provided with installation cavities on the left and right sides of the ink cartridge print head installation cavity, the lamp bead circuit board is installed in the installation cavity, and the installation cavity is provided with a heating guard plate for covering the lamp bead circuit board.

6. The inkjet printer nozzle heating device according to claim 5, characterized in that: The heating guard plate is provided with a light-transmitting opening corresponding to the infrared lamp beads.

7. The inkjet printer nozzle heating device according to claim 5, characterized in that: The left shell of the heating nozzle and the right shell of the heating nozzle are both provided with a plurality of screw openings in the installation cavity, and screws are arranged in the screw openings. A connecting opening for the screws to pass through is provided on the lamp bead circuit board, and the screws pass through the connecting opening and are threadedly connected to the limiting sleeve. A socket corresponding to the limiting sleeve is provided on the heating guard plate, and the limiting sleeve is interference fit in the socket. The limiting sleeve is provided with a supporting step for supporting the side of the heating guard plate facing the lamp bead circuit board.

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