Ink box structure and ink path system comprising same
By introducing components such as brushless micro-pumps and filters into the ink cartridge structure, the problem of insufficient ink supply and return flow in existing ink systems has been solved, achieving stable ink supply, improving printing speed and efficiency, and ensuring print quality.
Patent Information
- Application Number
- CN202520587588.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-28
AI Technical Summary
The existing ink path system has low ink supply and return flow rates for the primary ink cartridge, making it difficult to provide stable UV ink to the secondary and tertiary ink cartridges. This results in slow print head printing speed, affecting printing efficiency and quality.
Design an ink cartridge structure including a primary ink cartridge, an ink supply line, an ink return line, and first and second brushless micro pumps. By installing brushless micro pumps on the ink supply and return lines respectively, the flow rate is increased, and filters, buffer tanks, and solenoid valves are provided to achieve stable ink supply and return.
It increases the flow rate of ink supply and return, provides a stable supply of UV ink, improves printing speed and efficiency, ensures printing quality, and extends printhead life.
Smart Images

Figure CN223803268U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to printing technology field especially, relate to an ink cartridge structure and contain its ink path system. BACKGROUND
[0002] At present, in the production process of lithium battery, UV printing technology is used to protect the liquid cooling plate, specifically, when the liquid cooling plate passes through the production line, the nozzle on the printing trolley sprays UV ink on the liquid cooling plate, and at the same time, the UV curing lamp on the printing trolley is used to irradiate the UV ink to make it solidify, and then a protective layer is formed on the surface of the liquid cooling plate. However, the ink supply and return flow of the primary ink cartridge of the existing ink path system is small, which makes it difficult to provide stable UV ink for the secondary ink cartridge and the tertiary ink cartridge, resulting in slow printing speed of the print head, affecting the printing efficiency and the printing effect. SUMMARY
[0003] The utility model aims at providing an ink cartridge structure and an ink path system containing the same to solve the problem of small ink supply and return flow of the primary ink cartridge of the ink path system in the prior art, which makes it difficult to provide stable UV ink for the secondary ink cartridge and the tertiary ink cartridge, resulting in slow printing speed of the print head, affecting the printing efficiency and the printing effect.
[0004] The utility model provides an ink cartridge structure, which comprises a primary ink cartridge, an ink supply pipeline, an ink return pipeline, a first brushless micro pump and a second brushless micro pump, wherein the primary ink cartridge is provided with an ink cavity, the ink supply pipeline and the ink return pipeline are both in communication with the ink cavity, the first brushless micro pump is arranged on the ink supply pipeline, and the second brushless micro pump is arranged on the ink return pipeline.
[0005] The ink cartridge structure described above is provided with a first port and a second port in communication with the ink cavity on the primary ink cartridge, one end of the ink supply pipeline is in communication with the first port, one end of the ink return pipeline is in communication with the second port, the input end of the first brushless micro pump is in communication with the first port, and the output end of the second brushless micro pump is in communication with the second port.
[0006] The ink cartridge structure described above comprises a filter, and the filter is arranged on the ink supply pipeline.
[0007] The ink cartridge structure described above comprises a first fixed support, the first fixed support is provided with a limiting portion, a limiting groove is formed in the limiting portion, and the primary ink cartridge is installed in the limiting groove.
[0008] The ink cartridge structure described above comprises a positive pressure buffer tank and a negative pressure buffer tank, the positive pressure buffer tank is in communication with the ink supply pipeline, and the negative pressure buffer tank is in communication with the ink return pipeline.
[0009] The positive pressure buffer tank is provided with a positive pressure sensor, and the negative pressure buffer tank is provided with a negative pressure sensor.
[0010] The ink cartridge structure comprises a first electromagnetic valve and a second electromagnetic valve, the first electromagnetic valve is communicated with the positive pressure buffer tank, and the second electromagnetic valve is communicated with the negative pressure buffer tank.
[0011] The positive pressure buffer tank and the negative pressure buffer tank are integrated.
[0012] The ink cartridge structure further comprises a second fixing support, and the first brushless micro pump, the second brushless micro pump, the first electromagnetic valve and the second electromagnetic valve are fixedly connected to the second fixing support.
[0013] The utility model also provides a kind of ink path system, comprising the ink cartridge structure as described above.
[0014] The utility model discloses an ink cartridge structure, which has the following beneficial effects:
[0015] In the utility model, the ink cartridge structure comprises a primary ink cartridge, an ink supply pipeline, an ink return pipeline, a first brushless micro pump and a second brushless micro pump, the primary ink cartridge is provided with an ink chamber, the ink supply pipeline and the ink return pipeline are communicated with the ink chamber, the first brushless micro pump is arranged on the ink supply pipeline, and the second brushless micro pump is arranged on the ink return pipeline. The first brushless micro pump is used for extracting ink in the primary ink cartridge, and the ink is delivered to a secondary ink cartridge through the ink supply pipeline. The second brushless micro pump is used for sucking ink in an ink outlet chamber of a tertiary ink cartridge to the ink return pipeline, so as to return to the primary ink cartridge. By arranging the first brushless micro pump and the second brushless micro pump on the ink supply pipeline and the ink return pipeline respectively, the flow rate of ink supply and ink return can be increased, the flow rate of the ink supply pipeline and the ink return pipeline is increased, stable UV ink is provided for the secondary ink cartridge and the tertiary ink cartridge, the printing speed is improved, and the printing efficiency and the printing effect are improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.
[0017] Figure 1 It is a structure schematic view of the ink cartridge structure according to an exemplary embodiment.
[0018] Wherein: 1, first ink cartridge; 11, first port; 12, second port; 2, ink supply pipeline; 3, ink return pipeline; 4, first brushless micro pump; 5, second brushless micro pump; 6, filter; 7, first fixed support; 8, positive pressure buffer tank; 81, positive pressure sensor; 82, first air port; 9, negative pressure buffer tank; 91, negative pressure sensor; 92, second air port; 10, first electromagnetic valve; 101, second electromagnetic valve; 102, second fixed support. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0020] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0021] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified and limited.
[0022] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application.
[0024] Referring to Figure 1 The present application provides an ink cartridge structure, comprising a primary ink cartridge 1, an ink supply pipeline 2, an ink return pipeline 3, a first brushless micro pump 4 and a second brushless micro pump 5. The primary ink cartridge 1 is provided with an ink chamber. The ink supply pipeline 2 and the ink return pipeline 3 are both in communication with the ink chamber. The first brushless micro pump 4 is arranged on the ink supply pipeline 2. The second brushless micro pump 5 is arranged on the ink return pipeline 3. The first brushless micro pump 4 is used to extract the ink in the primary ink cartridge 1 and deliver it to a secondary ink cartridge through the ink supply pipeline 2. The second brushless micro pump 5 is used to suck the ink in the ink chamber of a tertiary ink cartridge to the ink return pipeline 3 to return to the primary ink cartridge 1. By arranging the first brushless micro pump 4 and the second brushless micro pump 5 on the ink supply pipeline 2 and the ink return pipeline 3 respectively, the flow rate of ink supply and ink return can be increased, thereby increasing the flow of the ink supply pipeline 2 and the ink return pipeline 3, providing stable UV ink for the secondary ink cartridge and the tertiary ink cartridge, which is conducive to improving the printing speed, the printing efficiency and the printing effect.
[0025] Further, the primary ink cartridge 1 is provided with a first port 11 and a second port 12 in communication with the ink chamber. One end of the ink supply pipeline 2 is in communication with the first port 11. One end of the ink return pipeline 3 is in communication with the second port 12. The input end of the first brushless micro pump 4 is in communication with the first port 11. The output end of the second brushless micro pump 5 is in communication with the second port 12.
[0026] Further, the ink cartridge structure comprises a filter 6 arranged on the ink supply pipeline 2. The output end of the first brushless micro pump 4 is in communication with the input end of the filter 6. The filter 6 can intercept dust, pigment particles, metal debris and other impurities in the ink to avoid their entering the nozzle to cause blockage or damage, thereby protecting the printing quality and prolonging the service life of the nozzle. The filter 6 can also reduce the pressure fluctuation in the ink flow process to ensure the pressure balance in the ink path system and make the nozzle continuously obtain stable ink supply.
[0027] Further, the ink cartridge structure comprises a first fixed support 7, the first fixed support 7 is provided with a limiting portion, a limiting groove is formed in the limiting portion, and the first-stage ink cartridge 1 is installed in the limiting groove. The first fixed support 7 is fixedly connected to the machine body of the printer through a screw and a nut, so that the first-stage ink cartridge 1 is fixed; the diameter of the limiting groove is equal to the diameter of the first-stage ink cartridge 1, so that the first-stage ink cartridge 1 can be installed in the limiting groove, and the inner wall of the limiting groove can provide support for the first-stage ink cartridge 1, so as to avoid ink leakage caused by tilting of the first-stage ink cartridge 1.
[0028] Further, the ink cartridge structure comprises a positive pressure buffer tank 8 and a negative pressure buffer tank 9, the positive pressure buffer tank 8 is communicated with the ink supply pipeline 2, and the negative pressure buffer tank 9 is communicated with the ink return pipeline 3. The positive pressure buffer tank 8 is provided with a first air port 82, the negative pressure buffer tank 9 is provided with a second air port 92, the first air port 82 is connected with the positive pressure port of the air bottle through an air pipe, the second air port 92 is connected with the negative pressure port of the air bottle through an air pipe, and the air inlet of the air bottle is connected with the top air outlet of the third-stage ink cartridge through an air pipe, so as to realize the communication of the positive pressure buffer tank 8 and the ink supply pipeline 2 and the communication of the negative pressure buffer tank 9 and the ink return pipeline 3, and the positive pressure buffer tank 8 and the negative pressure buffer tank 9 can be used to adjust the dynamic balance of the ink path system.
[0029] Further, the positive pressure buffer tank 8 is provided with a positive pressure sensor 81, and the negative pressure buffer tank 9 is provided with a negative pressure sensor 91. The positive pressure sensor 81 can detect the pressure of the ink supply pipeline 2 and feed back to the ink path system, and the negative pressure sensor 91 can detect the pressure of the ink return pipeline 3 and feed back to the ink path system. The actual pressure of the entire ink path system is detected through the positive pressure sensor 81 and the negative pressure sensor 91 and fed back to the ink path system, and the ink path system automatically adjusts the dynamic balance of the entire ink path according to the feedback pressure.
[0030] Further, the ink cartridge structure comprises a first electromagnetic valve 10 and a second electromagnetic valve 101, the first electromagnetic valve 10 is communicated with the positive pressure buffer tank 8, and the second electromagnetic valve 101 is communicated with the negative pressure buffer tank 9. The first electromagnetic valve 10 and the second electromagnetic valve 101 are used to control the opening and closing of the two feedback lines respectively.
[0031] Further, the positive pressure buffer tank 8 and the negative pressure buffer tank 9 are integrated, which is beneficial to save installation space, has a simple structure and is convenient to assemble and use.
[0032] Further, the ink cartridge structure further comprises a second fixing support 102, and the first brushless micro pump 4, the second brushless micro pump 5, the first electromagnetic valve 10 and the second electromagnetic valve 101 are fixedly connected on the second fixing support 102. Through the second fixing support 102, the first brushless micro pump 4, the second brushless micro pump 5, the first electromagnetic valve 10 and the second electromagnetic valve 101 can be fixed to the machine body, so that the first brushless micro pump 4, the second brushless micro pump 5, the first electromagnetic valve 10 and the second electromagnetic valve 101 are fixed.
[0033] The utility model also provides a kind of ink path system, including the ink cartridge structure as described above. Ink path system further includes secondary ink cartridge and tertiary ink cartridge, primary ink cartridge 1, secondary ink cartridge and tertiary ink cartridge are sequentially connected, ink inlet cavity and ink outlet cavity are equipped on tertiary ink cartridge, air bottle is communicated with ink inlet cavity, can keep the pressure stability of ink path system.
[0034] The above examples are only used to illustrate the technical solutions of the utility model, and do not limit the protection scope of the utility model.
Claims
1. An ink cartridge structure, characterized by comprising: The ink cartridge structure comprises a primary ink cartridge (1), an ink supply pipeline (2), an ink return pipeline (3), a first brushless micro pump (4) and a second brushless micro pump (5), the primary ink cartridge (1) is provided with an ink cavity, the ink supply pipeline (2) and the ink return pipeline (3) are both communicated with the ink cavity, the first brushless micro pump (4) is arranged on the ink supply pipeline (2), and the second brushless micro pump (5) is arranged on the ink return pipeline (3).
2. The ink cartridge structure according to claim 1, wherein The primary ink cartridge (1) is provided with a first port (11) and a second port (12) communicated with the ink cavity, one end of the ink supply pipeline (2) is communicated with the first port (11), one end of the ink return pipeline (3) is communicated with the second port (12), the input end of the first brushless micro pump (4) is communicated with the first port (11), and the output end of the second brushless micro pump (5) is communicated with the second port (12).
3. The ink cartridge structure of claim 2, wherein The ink cartridge structure comprises a filter (6), and the filter (6) is arranged on the ink supply pipeline (2).
4. The ink cartridge structure according to claim 3, wherein The ink cartridge structure comprises a first fixed support (7), the first fixed support (7) is provided with a limiting portion, a limiting groove is formed in the limiting portion, and the primary ink cartridge (1) is installed in the limiting groove.
5. The ink cartridge structure of claim 1, wherein The ink cartridge structure comprises a positive pressure buffer tank (8) and a negative pressure buffer tank (9), the positive pressure buffer tank (8) is communicated with the ink supply pipeline (2), and the negative pressure buffer tank (9) is communicated with the ink return pipeline (3).
6. The ink cartridge structure according to claim 5, wherein The positive pressure buffer tank (8) is provided with a positive pressure sensor (81), and the negative pressure buffer tank (9) is provided with a negative pressure sensor (91).
7. The ink cartridge structure of claim 6, wherein The ink cartridge structure comprises a first electromagnetic valve (10) and a second electromagnetic valve (101), the first electromagnetic valve (10) is communicated with the positive pressure buffer tank (8), and the second electromagnetic valve (101) is communicated with the negative pressure buffer tank (9).
8. The ink cartridge structure of claim 5, wherein The positive pressure buffer tank (8) and the negative pressure buffer tank (9) are integrated.
9. The ink cartridge structure of claim 7, wherein The ink cartridge structure further comprises a second fixed support (102), and the first brushless micro pump (4), the second brushless micro pump (5), the first electromagnetic valve (10) and the second electromagnetic valve (101) are fixedly connected to the second fixed support (102).
10. An ink path system characterized by comprising: The ink cartridge structure comprises the ink cartridge structure according to any one of claims 1-9.