Ink-jet printer nozzle ink heating device

Abstract

The utility model discloses an ink-jet printer nozzle ink heating device, which relates to the technical field of ink-jet printers and comprises an ink box, a sealing cover is arranged on one side of the ink box, a partition plate is fixedly connected in the ink box and divides the inner wall of the ink box into an ink cavity, an equipment cavity and a heating cavity, and the bottom of the partition plate is fixedly communicated with an ink feeding pipe. A first electromagnetic valve matched with the ink feeding pipe is arranged at the bottom of the partition plate, a through hole matched with the ink feeding pipe is formed in the partition plate, ink is added into the ink box through the ink adding opening, the ink in the ink cavity is preheated through the first heating pipe, when the ink box needs to be used, the first electromagnetic valve is opened, the ink in the ink cavity flows into the heating cavity, and the ink box is heated through the through hole. The ink in the heating cavity is continuously heated through the second heating pipe, the ink is discharged through the ink outlet pipe for use after being heated, the heating effect is improved through two times of heating, the space of the heating cavity is small, the ink can be rapidly heated, and ink residues are reduced.

Description

Technical Field

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

[0002] The inkjet printer uses the principle of charged ink particles deflected by high-voltage electric fields to print patterns, texts and numbers on the surface of various objects. It is a high-tech product integrating mechatronics. The products are widely used in the food industry, cosmetics industry, pharmaceutical industry, automobile and other parts processing industries, wire and cable industry, aluminum-plastic pipe industry, tobacco and alcohol industry and other fields. It can be used to print production date, batch number, barcode, trademark pattern, anti-counterfeiting mark and Chinese characters. It is a powerful equipment for implementing health laws and promoting packaging modernization.

[0003] After searching the existing public patent number: CN202322000969.6, the public patent name is: A heating device for an inkjet printer. When the existing inkjet printer is idle for a long time and then used again, the ink accumulated in the nozzle of the inkjet printer will become viscous or even condense around the nozzle, affecting the effect of inkjet printing, and the fixed position heating method is likely to cause the nozzle temperature to be too high, or even damage the internal structure of the nozzle. The following scheme is now proposed, which includes an ink box, a heating box is fixedly installed on the bottom inner wall of the ink box, a discharge pipe is fixedly installed on the left bottom inner wall of the ink box, and the left end of the discharge pipe extends to the left outside of the ink box, a feed pipe is fixedly installed on the right top inner wall of the ink box, and a drive motor is fixedly installed at the top center position of the ink box. The utility model can transport the ink to the heating box, so as to achieve uniform heating of the ink, so that the ink will not dry out, so it has good practicality.

[0004] However, the above method needs to heat the ink in the heating box first, and the heated ink needs to be returned to the ink box in sufficient quantity for use. The heating speed is slow, and the ink in the heating box is easy to remain, which is not conducive to use. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an ink heating device for a nozzle of an inkjet printer, which solves the problems of slow heating speed and easy ink residue.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: an ink heating device for a nozzle of an inkjet printer, comprising: an ink cartridge, a sealing cover is provided on one side of the ink cartridge, a partition is fixedly connected inside the ink cartridge, the partition divides the inner wall of the ink cartridge into an ink chamber, a device chamber and a heating chamber, a lower ink tube is fixedly connected to the bottom of the partition, two ends of the lower ink tube extend to the ink chamber and the heating chamber respectively, a first solenoid valve is installed on the pipeline of the lower ink tube, a through hole matching the lower ink tube is opened on the partition, an ink outlet tube is connected to the heating chamber, a second solenoid valve is installed on the pipeline of the ink outlet tube, a heating component is provided in the ink cartridge; the heating component comprises a first heating tube, the first heating tube is symmetrically arranged on the upper surface of the partition, a second heating tube is symmetrically arranged in the heating chamber, a temperature sensor is fixedly connected to the heating chamber at one side of the partition, a water level sensor is fixedly connected to the inner wall of the ink cartridge inside the heating chamber, and a controller is provided in the equipment chamber.

[0007] Preferably, a stirring and filtering assembly is provided in the ink cartridge, and the stirring and filtering assembly includes a reduction motor, and the reduction motor is fixedly installed on one side of the partition, and the partition is arranged inside the equipment cavity, and the output shaft end of the partition is fixedly connected to a rotating shaft, and a driving gear is fixedly connected to the rotating shaft, and the bottom of the ink cartridge is rotatably connected to a stirring shaft, and stirring blades are symmetrically arranged on the stirring shaft, and a driven gear is fixedly connected to the surface of the stirring shaft, and the driven gear is meshed with the driving gear.

[0008] Preferably, a filter plate is fixedly connected to the inside of the ink chamber, an isolation frame is fixedly installed on the upper surface of the filter plate, and a group of stirring blades are arranged on the upper surface of the filter plate.

[0009] Preferably, an inspection cover is provided on the top of the ink cartridge, and an ink filling port is provided on the inspection cover.

[0010] Preferably, a sealing assembly is provided on the inspection cover, and the sealing assembly includes a slide groove opened on the upper surface of the inspection cover, a slider is slidably connected in the slide groove, a cover plate is fixedly connected to the top of the slider, and a handle is fixedly connected to the upper surface of the cover plate.

[0011] Preferably, a spring is fixedly connected to one side of the slider, the slide groove is symmetrically arranged on the upper surface of the inspection cover, the cover plate is matched with the ink filling port, and one end of the spring is fixedly connected to the slide groove.

[0012] Preferably, the second heating tube is symmetrically arranged about the rotation axis, the first heating tube is symmetrically arranged about the through hole, the reduction motor, the first heating tube, the second heating tube, the temperature sensor and the water level sensor are all electrically connected to the controller, and the ink cartridge is filled with thermal insulation cotton.

[0013] The utility model provides an inkjet printer nozzle ink heating device, which has at least the following beneficial effects compared with the prior art:

[0014] Ink is added into the ink cartridge through the ink filling port, and the ink in the ink chamber is preheated through the first heating tube. When it is needed, the first solenoid valve is opened, and the ink in the ink chamber flows into the heating chamber, and the ink in the heating chamber is continuously heated through the second heating tube. After heating, the ink is discharged through the ink outlet tube for use. The heating effect is improved by heating twice, and the heating chamber space is small, so the ink can be heated quickly to reduce ink residue.

[0015] The reduction motor drives the stirring shaft and the stirring blades to rotate, so as to stir the ink in the ink chamber and the heating chamber, thereby ensuring the uniformity of the heating of the ink and improving the heating effect. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 It is a schematic diagram of the structure inside the ink cartridge of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the stirring and filtering assembly of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the sealing component of the utility model.

[0020] Figure 5 It is an enlarged schematic diagram of the structure at point A of the utility model.

[0021] In the figure: 1. ink cartridge; 2. sealing cover; 3. inspection cover; 4. partition; 5. ink chamber; 6. equipment chamber; 7. heating chamber; 8. through hole; 9. first solenoid valve; 10. lower ink tube; 11. heating assembly; 1101. first heating tube; 1102. second heating tube; 1103. temperature sensor; 1104. water level sensor; 12. second solenoid valve; 13. ink outlet tube; 14. stirring and filtering assembly; 1401. reduction motor; 1402. rotating shaft; 1403. driving gear; 1404. stirring shaft; 1405. stirring blade; 1406. driven gear; 1407. filter plate; 1408. isolation frame; 15. ink filling port; 16. sealing assembly; 1601. slide groove; 1602. cover plate; 1603. handle; 1604. slider; 1605. spring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to 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 the embodiments. Based on the embodiments in 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. Example

[0023] See also Figure 1-5 The utility model provides a technical solution: an ink cartridge 1, a sealing cover 2 is arranged on one side of the ink cartridge 1, a partition 4 is fixedly connected inside the ink cartridge 1, the partition 4 divides the inner wall of the ink cartridge 1 into an ink chamber 5, a device chamber 6 and a heating chamber 7, a lower ink tube 10 is fixedly connected to the bottom of the partition 4, two ends of the lower ink tube 10 extend to the ink chamber 5 and the heating chamber 7 respectively, a first solenoid valve 9 is installed on the pipeline of the lower ink tube 10, a through hole 8 matching the lower ink tube 10 is opened on the partition 4, and an ink outlet tube 1 is connected to the heating chamber 7 3. A second solenoid valve 12 is installed on the pipeline of the ink outlet pipe 13, and a heating component 11 is arranged in the ink cartridge 1; the heating component 11 includes a first heating tube 1101, and the first heating tube 1101 is symmetrically arranged on the upper surface of the partition 4, and a second heating tube 1102 is symmetrically arranged in the heating chamber 7, a temperature sensor 1103 is fixedly connected to one side of the partition 4 in the heating chamber 7, a water level sensor 1104 is fixedly connected to the inner wall of the ink cartridge 1 in the heating chamber 7, and a controller is arranged in the device chamber 6.

[0024] Analysis of the above content: The ink in the ink chamber 5 is preheated by the first heating tube 1101 to prevent the ink from condensing at low temperature. When it is needed, the first solenoid valve 9 is opened, and the ink in the ink chamber 5 flows into the heating chamber 7. At this time, the second heating tube 1102 is opened to heat the ink in the heating chamber 7 to ensure that the ink is at a suitable temperature to prevent the ink from drying out. The opening and closing of the second solenoid valve 12 controls the outflow of the heated ink. The water level sensor 1104 and the temperature sensor 1103 are used to detect the height and temperature of the ink in the heating chamber 7 to avoid the problem of high temperature and dry burning of the second heating tube 1102. Example

[0025] See also Figure 1-5The utility model provides a technical solution based on the first embodiment: a stirring and filtering assembly 14 is arranged in the ink cartridge 1, and the stirring and filtering assembly 14 includes a reduction motor 1401, and the reduction motor 1401 is fixedly installed on one side of the partition 4, and the partition 4 is arranged inside the equipment cavity 6. The output shaft end of the partition 4 is fixedly connected with a rotating shaft 1402, and a driving gear 1403 is fixedly connected to the rotating shaft 1402. The bottom of the ink cartridge 1 is rotatably connected with a stirring shaft 1404, and stirring blades 1405 are symmetrically arranged on the stirring shaft 1404. A driven gear 1406 is fixedly connected to the surface of the stirring shaft 1404, and the driven gear 1406 is meshed with the driving gear 1403.

[0026] Analysis of the above content: The reduction motor 1401 drives the rotating shaft 1402 to rotate, and the rotation of the rotating shaft 1402 drives the driving gear 1403 to rotate, and the meshing of the driving gear 1403 and the driven gear 1406 drives the stirring shaft 1404 and the stirring blade 1405 to rotate, so as to stir the ink in the ink chamber 5 and the heating chamber 7, avoid the ink from solidifying, and improve the uniformity of the heating of the ink. By setting the reduction motor 1401 to reduce the speed of the stirring blade 1405, the generation of bubbles in the ink is reduced. In actual use, an ink defoamer can be added to the ink to further reduce the impact of bubbles on inkjet. This is a prior art and will not be described in detail here. Example

[0027] See also Figure 1-5 The utility model provides a technical solution based on the first embodiment: a filter plate 1407 is fixedly connected to the inside of the ink chamber 5, an isolation frame 1408 is fixedly installed on the upper surface of the filter plate 1407, and a group of stirring blades 1405 are arranged on the upper surface of the filter plate 1407.

[0028] Analysis of the above content: ink is added from the ink filling port 15, and the particles in the ink are filtered through the filter plate 1407. The stirring blade 1405 prevents the particles from clogging the filter plate 1407. The particles are blocked by the isolation frame 1408 and remain on the edge of the upper surface of the filter plate 1407. The inspection cover 3 can be opened to clean the filter plate 1407. Example

[0029] See also Figure 1-5 The utility model provides a technical solution based on the first embodiment: an inspection cover 3 is provided on the top of the ink cartridge 1, and an ink filling port 15 is opened on the inspection cover 3.

[0030] Analysis of the above content: Ink is added into the ink cartridge 1 through the ink filling port 15, and the inspection cover 3 is detachable to facilitate maintenance and care of the parts in the ink chamber 5. Example

[0031] See also Figure 1-5The utility model provides a technical solution based on the first embodiment: a sealing assembly 16 is provided on the inspection cover 3, and the sealing assembly 16 includes a slide groove 1601 opened on the upper surface of the inspection cover 3, a slider 1604 is slidably connected in the slide groove 1601, a cover plate 1602 is fixedly connected to the top of the slider 1604, and a handle 1603 is fixedly connected to the upper surface of the cover plate 1602.

[0032] Analysis of the above content: Pulling the handle 1603 to drive the cover 1602 to move can open and close the ink filling port 15. Example

[0033] See also Figure 1-5 The utility model provides a technical solution based on the first embodiment: a spring 1605 is fixedly connected to one side of the slider 1604, the slide groove 1601 is symmetrically arranged on the upper surface of the inspection cover 3, the cover plate 1602 is matched with the ink filling port 15, and one end of the spring 1605 is fixedly connected to the slide groove 1601.

[0034] Analysis of the above content: under the action of spring 1605, cover plate 1602 moves toward ink filling port 15, so that ink filling port 15 is in a normally closed state to prevent dust from falling into ink cartridge 1. When ink needs to be added, pull handle 1603 to lock cover plate 1602.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An inkjet printer nozzle ink heating device, characterized in that: include: An ink cartridge (1), wherein a sealing cover (2) is provided on one side of the ink cartridge (1), a partition (4) is fixedly connected inside the ink cartridge (1), the partition (4) divides the inner wall of the ink cartridge (1) into an ink chamber (5), a device chamber (6) and a heating chamber (7), a lower ink tube (10) is fixedly connected to the bottom of the partition (4), two ends of the lower ink tube (10) respectively extend into the ink chamber (5) and the heating chamber (7), a first solenoid valve (9) is installed on the pipeline of the lower ink tube (10), a through hole (8) matching the lower ink tube (10) is opened on the partition (4), an ink outlet tube (13) is connected inside the heating chamber (7), a second solenoid valve (12) is installed on the pipeline of the ink outlet tube (13), and a heating component (11) is provided in the ink cartridge (1); The heating assembly (11) comprises a first heating tube (1101), the first heating tube (1101) being symmetrically arranged on the upper surface of the partition (4), a second heating tube (1102) being symmetrically arranged in the heating chamber (7), a temperature sensor (1103) being fixedly connected to one side of the partition (4) in the heating chamber (7), a water level sensor (1104) being fixedly connected to the inner wall of the ink cartridge (1) in the heating chamber (7), and a controller being arranged in the device chamber (6).

2. The inkjet printer head ink heating device according to claim 1, characterized in that: The ink cartridge (1) is provided with a stirring and filtering assembly (14), the stirring and filtering assembly (14) comprising a reduction motor (1401), the reduction motor (1401) being fixedly mounted on one side of a partition (4), the partition (4) being arranged inside the equipment chamber (6), the output shaft end of the partition (4) being fixedly connected to a rotating shaft (1402), the rotating shaft (1402) being fixedly connected to a driving gear (1403), the bottom of the ink cartridge (1) being rotatably connected to a stirring shaft (1404), the stirring shaft (1404) being symmetrically provided with stirring blades (1405), the surface of the stirring shaft (1404) being fixedly connected to a driven gear (1406), the driven gear (1406) being arranged in meshing engagement with the driving gear (1403).

3. The inkjet printer head ink heating device according to claim 2, characterized in that: A filter plate (1407) is fixedly connected to the inside of the ink chamber (5), an isolation frame (1408) is fixedly installed on the upper surface of the filter plate (1407), and a group of stirring blades (1405) are arranged on the upper surface of the filter plate (1407).

4. The inkjet printer head ink heating device according to claim 1, characterized in that: The top of the ink cartridge (1) is provided with an inspection cover (3), and the inspection cover (3) is provided with an ink filling port (15).

5. The inkjet printer head ink heating device according to claim 4, characterized in that: The inspection cover (3) is provided with a sealing assembly (16), the sealing assembly (16) comprising a slide groove (1601) opened on the upper surface of the inspection cover (3), a slider (1604) being slidably connected in the slide groove (1601), a cover plate (1602) being fixedly connected to the top of the slider (1604), and a handle (1603) being fixedly connected to the upper surface of the cover plate (1602).

6. The inkjet printer head ink heating device according to claim 5, characterized in that: A spring (1605) is fixedly connected to one side of the slider (1604); the slide groove (1601) is symmetrically arranged on the upper surface of the inspection cover (3); the cover plate (1602) is matched with the ink filling port (15); and one end of the spring (1605) is fixedly connected to the slide groove (1601).

7. The inkjet printer head ink heating device according to claim 2, characterized in that: The second heating tube (1102) is symmetrically arranged about the rotating shaft (1402), and the first heating tube (1101) is symmetrically arranged about the through hole (8). The reduction motor (1401), the first heating tube (1101), the second heating tube (1102), the temperature sensor (1103) and the water level sensor (1104) are all electrically connected to the controller, and the ink cartridge (1) is filled with thermal insulation cotton.

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