CN116278398A - Circulation ink path system - Google Patents

Circulation ink path system Download PDF

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Publication number
CN116278398A
CN116278398A CN202310388942.0A CN202310388942A CN116278398A CN 116278398 A CN116278398 A CN 116278398A CN 202310388942 A CN202310388942 A CN 202310388942A CN 116278398 A CN116278398 A CN 116278398A
Authority
CN
China
Prior art keywords
ink
liquid level
electromagnetic valve
box assembly
level sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310388942.0A
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Chinese (zh)
Inventor
徐进
吕小祥
江明杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Jinxin Technology Co ltd
Original Assignee
Shenzhen Jinxin Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Shenzhen Jinxin Technology Co ltd filed Critical Shenzhen Jinxin Technology Co ltd
Priority to CN202310388942.0A priority Critical patent/CN116278398A/en
Publication of CN116278398A publication Critical patent/CN116278398A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17566—Ink level or ink residue control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17506—Refilling of the cartridge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17543—Cartridge presence detection or type identification
    • B41J2/17546—Cartridge presence detection or type identification electronically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/18—Ink recirculation systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/19—Ink jet characterised by ink handling for removing air bubbles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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  • Ink Jet (AREA)

Abstract

The invention relates to a circulating ink path system which comprises an ink barrel component, an ink inlet box component, an ink return box component, a degassing membrane component, a negative pressure component, a positive pressure component and a reflux protection box component, a plurality of electromagnetic valves, a plurality of liquid level sensors, two filters and a circulating pump, wherein the components are firstly installed, and the tightness of the components is tested so as to avoid the influence of air leakage on the performance. And setting a system program, connecting each air channel with the ink tube, fully installing the final spray head, setting parameters of each assembly and part, and setting the circulating ink channel system to be in an initial state after the assembly is completed. Therefore, the invention has the following beneficial effects: the single negative pressure double ink box circulates, so that ink precipitation is avoided. The circulating ink path system can be switched between circulating and non-circulating. The degassing module eliminates ink bubbles and improves printing effect. And the backflow protection component is used for preventing the ink from being pumped back into the negative pressure system.

Description

Circulation ink path system
Technical Field
The invention relates to the technical field of digital ink-jet printers, in particular to a circulating ink path system.
Background
In the digital ink-jet industry, ink is a critical thing, just like "blood" in the human body, and is directly reflected in user application and specific effects. Inks can be broadly divided into three general categories: respectively aqueous ink, oily ink and UV ink. The three main classes are subdivided into several inks, for example, aqueous inks may include paint inks, dispersion inks, reactive inks, and the like. The oily ink may include ceramic ink, glass ink, and the like. UV inks may include color inks, white inks, gloss oils, and the like. However, many kinds of existing inks are easy to precipitate, and poor printing caused by hole blocking and needle breaking can be caused after precipitation, so that a new spray head is needed to be replaced seriously.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a circulation ink path system, which prevents ink from depositing and uses the circulation system on the ink path, and makes ink flow to ensure smooth printing and quality.
In order to achieve the above purpose, the invention provides a circulating ink path system which comprises an ink barrel component and a liquid level sensor, wherein ink is started to be added into the ink barrel component, the top end of the ink barrel component is communicated with the atmosphere, and the liquid level sensor is arranged at the bottom of the ink barrel component to give an ink shortage alarm so as to prompt the addition of the ink.
Preferably, the system further comprises an ink inlet box assembly, a negative pressure assembly, an electromagnetic valve and an electromagnetic valve, wherein the electromagnetic valve is communicated with the negative pressure assembly, the ink barrel assembly is communicated with the ink inlet box assembly through the electromagnetic valve, after ink is injected into the ink barrel assembly, the electromagnetic valve and the electromagnetic valve are controlled to be opened, the ink inlet box assembly becomes negative pressure, and the ink of the ink barrel assembly is sucked into the ink inlet box assembly by the negative pressure.
Preferably, the system comprises a liquid level sensor and a liquid level sensor, wherein the liquid level sensor and the liquid level sensor are arranged on the ink inlet box assembly and used for detecting the ink liquid level, the liquid level sensor is a high liquid level alarm detection point, and the position height of the liquid level sensor is larger than that of the liquid level sensor;
when the ink liquid level reaches the detection position of the liquid level sensor, the electromagnetic valve is controlled to be closed, when the ink liquid level is lower than the detection position of the liquid level sensor after use, the electromagnetic valve is controlled to be opened to start ink supplementing, and when the ink liquid level reaches the detection position of the liquid level sensor, the electromagnetic valve is controlled to be closed and prompted.
Preferably, the system comprises an ink return box assembly and an electromagnetic valve, wherein the ink inlet box assembly is communicated with the ink return box assembly through the electromagnetic valve, the installation physical position of the ink inlet box assembly is 30-90mm higher than that of the ink return box assembly, when the electromagnetic valve is controlled to be opened, the ink of the ink inlet box assembly flows to the ink return box assembly due to gravity, and meanwhile, the ink inlet box assembly performs automatic ink adding action.
Preferably, the system comprises a liquid level sensor and a liquid level sensor, wherein the liquid level sensor and the liquid level sensor are arranged on the ink return box assembly and used for detecting the ink liquid level, the liquid level sensor is a high liquid level alarm detection point, and the position height of the liquid level sensor is larger than that of the liquid level sensor;
and when the ink liquid level in the ink return box assembly reaches the detection position of the liquid level sensor, controlling to close the electromagnetic valve, and when the ink liquid level reaches the detection position of the liquid level sensor, controlling to close the electromagnetic valve and prompting.
Preferably, the system comprises a positive pressure assembly, a solenoid valve, a filter and a spray head, wherein the solenoid valve is communicated with the positive pressure assembly, the solenoid valve is communicated with the spray head through the filter, and the filter is communicated with the ink inlet box assembly through the solenoid valve;
when the spray head is inked and cleaned, the electromagnetic valve for controlling the on-off of the positive pressure component is opened, the ink inlet box component displays positive pressure, and after the electromagnetic valve is opened, the ink can be pressed into the spray head, so that the ink is discharged from the bottom of the spray head.
Preferably, the system comprises a backflow protection box assembly and a liquid level sensor, wherein one end of the backflow protection box assembly is respectively communicated with the ink inlet box assembly and the ink return box assembly, the other end of the backflow protection box assembly is respectively communicated with the electromagnetic valve and the electromagnetic valve, and the liquid level sensor is arranged on the backflow protection box assembly and used for detecting that ink is sucked back by vacuum.
Preferably, the system includes a circulation pump, and when the circulation pump is not turned on in the non-circulation mode, ink is discharged only from the bottom of the nozzle and does not enter the ink return box assembly.
Preferably, the system comprises a solenoid valve, a degassing module and a filter, wherein the spray head is communicated with the ink return box assembly through the solenoid valve, the degassing module is communicated with the ink return box assembly through the circulating pump, the circulating pump is communicated with the filter through the degassing module, and the degassing module is communicated with the ink inlet box assembly through the filter;
when the working state of the circulation mode is that the electromagnetic valve and the circulation pump are required to be opened, the circulation pump can enable ink to enter the ink return box assembly from the spray head, and then the ink passes through the degassing module assembly and the filter to reach the ink inlet box assembly, so that circulation action is completed.
Preferably, the system comprises a negative pressure assembly and a solenoid valve, the negative pressure assembly being in communication with the degassing mould assembly through the solenoid valve to provide negative pressure.
Compared with the prior art, the invention has the beneficial effects that:
1. the single negative pressure double ink box circulates, so that ink precipitation is avoided.
2. The circulating ink path system can be switched between circulating and non-circulating.
3. The degassing module eliminates ink bubbles and improves printing effect.
4. And the backflow protection component is used for preventing the ink from being pumped back into the negative pressure system.
Drawings
In order to more clearly illustrate the solution of the present invention, a brief description will be given below of the drawings required for the description of the embodiments of the present invention, it being apparent that the drawings in the following description are some embodiments of the present invention, and that other drawings may be obtained from these drawings without the exercise of inventive effort for a person of ordinary skill in the art.
Fig. 1 is a schematic diagram of an initial state of a circulating ink path.
Fig. 2 is a schematic diagram of the ink addition of the circulating ink path ink tank.
Fig. 3 is a schematic diagram of ink addition to the ink cartridge through the circulating ink path.
Fig. 4 is a schematic diagram of ink addition to the ink tank of the circulating ink circuit.
Fig. 5 is a schematic diagram of the ink and purge of the circulating ink path inkjet.
Fig. 6 is a schematic diagram of the ink supply of the circulating ink path shut-off.
Fig. 7 is a schematic diagram of the operation state of the circulating ink path in the non-circulating mode.
Fig. 8 is a schematic diagram of the circulation mode operation of the circulation ink path.
Fig. 9 is a schematic diagram of the reverse suction protection of the circulating ink path vacuum pipeline.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
The terms "comprising" and "having" and any variations thereof in the description of the invention and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.
Referring to fig. 1, the present invention provides a circulating ink path system, which includes an ink tank assembly 1, an ink inlet box assembly 2, an ink return box assembly 3, a degassing membrane assembly 4, a negative pressure assembly 5, a negative pressure assembly 6, a positive pressure assembly 7, and a backflow protection box assembly 8. There are solenoid valve 23, solenoid valve 33, solenoid valve 34, solenoid valve 35, solenoid valve 51, solenoid valve 61, solenoid valve 71. Liquid level sensor 11, liquid level sensor 21, liquid level sensor 22, liquid level sensor 31, liquid level sensor 32, and liquid level sensor 81. The filter 91, the filter 92, and the circulation pump 93 were assembled, and the tightness of each assembly was tested to prevent the performance from being affected by air leakage. And setting a system program, connecting each air channel with the ink tube, fully installing the final spray head, setting parameters of each assembly and part, and setting the circulating ink channel system to be in an initial state after the assembly is completed.
Referring to fig. 2, ink is initially added to the ink tank assembly 1, the top end of the ink tank assembly 1 is communicated with the atmosphere, and a level sensor 11 is disposed at the bottom of the ink tank assembly 1 to give an alarm for ink shortage, so as to prompt the addition of ink, and prevent the ink circulation ink path system from entering air and affecting the printing quality.
Referring to fig. 3, the electromagnetic valve 51 is communicated with the negative pressure assembly 5, the ink tank assembly 1 is communicated with the ink inlet box assembly 2 through the electromagnetic valve 23, when ink is injected into the ink tank assembly 1, the electromagnetic valve 51 and the electromagnetic valve 23 are controlled to be opened, the ink inlet box assembly 2 becomes negative pressure, and the ink of the ink tank assembly 1 is sucked into the ink inlet box assembly 2 by the negative pressure.
The liquid level sensor 21 and the liquid level sensor 22 are arranged on the ink inlet box assembly 2 and used for detecting the ink liquid level, wherein the liquid level sensor 22 is a high liquid level alarm detection point, and the position height of the liquid level sensor is larger than that of the liquid level sensor 21; when the ink level reaches the detection position of the level sensor 21, the electromagnetic valve 51 is controlled to be closed, when the ink level is lower than the detection position of the level sensor 21 after use, the electromagnetic valve 23 is controlled to be opened to start ink replenishment, and when the ink level reaches the detection position of the level sensor 22, the electromagnetic valve 23 is controlled to be closed and prompted.
The ink inlet box assembly 2 is communicated with the ink return box assembly 3 through the electromagnetic valve 33, wherein the installation physical position of the ink inlet box assembly 2 is 30-90mm higher than that of the ink return box assembly 3, and specifically, the installation physical position can be 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm, 70mm, 75mm, 80mm, 85mm and 90mm, when the electromagnetic valve 33 is controlled to be opened, ink of the ink inlet box assembly 2 flows to the ink return box assembly 3 due to gravity, and meanwhile, the ink inlet box assembly 2 performs automatic ink feeding action.
Referring to fig. 4, a liquid level sensor 31 and a liquid level sensor 32 are disposed on the ink return cartridge assembly 3 for detecting the ink level, wherein the liquid level sensor 32 is a high liquid level alarm detection point, and the height of the liquid level sensor is greater than that of the liquid level sensor 31; the solenoid valve 33 is controlled to be closed when the ink level in the ink return cartridge assembly 3 reaches the detection position of the level sensor 31, and the solenoid valve 33 is controlled to be closed and prompted when the ink level reaches the detection position of the level sensor 32.
Referring to fig. 5, the system further includes a nozzle, the electromagnetic valve 71 is communicated with the positive pressure assembly 7, the electromagnetic valve 34 is communicated with the nozzle through a filter 91, and the filter 91 is communicated with the ink inlet box assembly 2 through the electromagnetic valve 34; when the nozzle is inked and cleaned, the electromagnetic valve 71 for controlling the on-off of the positive pressure component 7 is opened, the ink inlet box component 2 displays positive pressure, and after the electromagnetic valve 34 is opened, the ink can be pressed into the nozzle and then discharged from the bottom of the nozzle. Preferably, the filter 91 filters impurities and large particles in the ink to protect the head.
Referring to fig. 6, all valves can be closed when the machine is not needed, and the head can be evacuated to hold its own ink.
Referring to fig. 7-8, the nozzle is communicated with the ink return box assembly 3 through the electromagnetic valve 35, the degassing module 4 is communicated with the ink return box assembly 3 through the circulating pump 93, the circulating pump 93 is communicated with the filter 92 through the degassing module 4, and the degassing module 4 is communicated with the ink inlet box assembly 2 through the filter 92; when the solenoid valve 35 and the circulation pump 93 are required to be opened in the working state of the circulation mode, the circulation pump 93 can enable ink to enter the ink return box assembly 3 from the spray head, and then the ink enters the ink box assembly 2 through the degassing module assembly 4 and the filter 92, so that circulation action is completed. When the circulation pump 93 is not turned on in the non-circulation mode, ink is discharged only from the bottom of the head and does not enter the ink return cartridge assembly 3. Wherein, the deaeration module 4 eliminates tiny bubbles in the ink, and the negative pressure module 6 is communicated with the deaeration module 4 through the electromagnetic valve 61 to always provide negative pressure at a set value.
Referring to fig. 9, one end of the backflow protecting box assembly 8 is respectively communicated with the ink inlet box assembly 2 and the ink return box assembly 3, the other end of the backflow protecting box assembly 8 is respectively communicated with the electromagnetic valve 71 and the electromagnetic valve 51, and the liquid level sensor 81 is arranged on the backflow protecting box assembly 8 and used for detecting that ink is sucked back by vacuum. If there is a malfunction or program control problem, ink is sucked back into the reverse flow protection cartridge assembly 8 by the vacuum line, the liquid level sensor 81 is triggered immediately, the system is stopped and the operator is reminded to deal with, so as not to affect the negative pressure and the printing quality.
To sum up, the ink tank assembly 1 is filled with ink, and then the ink tank assembly 2 is filled with ink, and after the ink tank assembly 2 is filled with ink, the ink filling operation of the ink tank assembly 3 is started.
And starting to ink on the spray head, and printing the spray head state. The circulation mode and the non-circulation mode can be started, and if the circulation mode is started for the ink which is easy to precipitate, the ink entering the ink box assembly 2, the ink returning box assembly 3 and the whole pipeline can flow without precipitation.
The solenoid valve 34 and the solenoid valve 35 are automatically closed after the power is off so as to prevent ink leakage of the spray head. And the electromagnetic valve, the negative pressure component, the positive pressure component and the correct parameters of the liquid level sensor are set in operation, so that the system can normally and stably operate.
The foregoing is merely illustrative of the present invention and is not to be construed as limiting thereof; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; all equivalent structures or equivalent flow changes made by the specification and the attached drawings of the invention or directly or indirectly applied to other related technical fields are included in the protection scope of the invention.

Claims (10)

1. A circulating ink path system, characterized in that: the ink adding device comprises an ink barrel assembly and a liquid level sensor, wherein ink is added to the ink barrel assembly, the top end of the ink barrel assembly is communicated with the atmosphere, and the liquid level sensor is arranged at the bottom of the ink barrel assembly to give an ink shortage alarm so as to prompt the addition of the ink.
2. A circulating ink path system according to claim 1, wherein: the system also comprises an ink inlet box assembly, a negative pressure assembly, an electromagnetic valve and an electromagnetic valve, wherein the electromagnetic valve is communicated with the negative pressure assembly, the ink barrel assembly is communicated with the ink inlet box assembly through the electromagnetic valve, after ink is injected into the ink barrel assembly, the electromagnetic valve and the electromagnetic valve are controlled to be opened, the ink inlet box assembly becomes negative pressure, and the ink of the ink barrel assembly is sucked into the ink inlet box assembly by the negative pressure.
3. A circulating ink path system according to claim 2, wherein: the system comprises a liquid level sensor and a liquid level sensor, wherein the liquid level sensor and the liquid level sensor are arranged on the ink inlet box assembly and used for detecting the ink liquid level, the liquid level sensor is a high liquid level alarm detection point, and the position height of the liquid level sensor is larger than that of the liquid level sensor;
when the ink liquid level reaches the detection position of the liquid level sensor, the electromagnetic valve is controlled to be closed, when the ink liquid level is lower than the detection position of the liquid level sensor after use, the electromagnetic valve is controlled to be opened to start ink supplementing, and when the ink liquid level reaches the detection position of the liquid level sensor, the electromagnetic valve is controlled to be closed and prompted.
4. A circulating ink path system according to claim 3, wherein: the system comprises an ink return box assembly and an electromagnetic valve, wherein the ink inlet box assembly is communicated with the ink return box assembly through the electromagnetic valve, the installation physical position of the ink inlet box assembly is 30-90mm higher than that of the ink return box assembly, when the electromagnetic valve is controlled to be opened, ink of the ink inlet box assembly flows to the ink return box assembly due to gravity, and meanwhile, the ink inlet box assembly performs automatic ink adding action.
5. A circulating ink path system according to claim 4, wherein: the system comprises a liquid level sensor and a liquid level sensor, wherein the liquid level sensor and the liquid level sensor are arranged on the ink return box assembly and used for detecting the ink liquid level, the liquid level sensor is a high liquid level alarm detection point, and the position height of the liquid level sensor is larger than that of the liquid level sensor;
and when the ink liquid level in the ink return box assembly reaches the detection position of the liquid level sensor, controlling to close the electromagnetic valve, and when the ink liquid level reaches the detection position of the liquid level sensor, controlling to close the electromagnetic valve and prompting.
6. A circulating ink path system according to claim 5, wherein: the system comprises a positive pressure component, an electromagnetic valve, a filter and a spray head, wherein the electromagnetic valve is communicated with the positive pressure component, the electromagnetic valve is communicated with the spray head through the filter, and the filter is communicated with the ink inlet box component through the electromagnetic valve;
when the spray head is inked and cleaned, the electromagnetic valve for controlling the on-off of the positive pressure component is opened, the ink inlet box component displays positive pressure, and after the electromagnetic valve is opened, the ink can be pressed into the spray head, so that the ink is discharged from the bottom of the spray head.
7. A circulating ink path system according to claim 6, wherein: the system comprises a backflow protection box assembly and a liquid level sensor, wherein one end of the backflow protection box assembly is respectively communicated with the ink inlet box assembly and the ink return box assembly, the other end of the backflow protection box assembly is respectively communicated with the electromagnetic valve and the electromagnetic valve, and the liquid level sensor is arranged on the backflow protection box assembly and used for detecting that ink is sucked back and flows back in vacuum.
8. A circulating ink path system according to claim 6, wherein: the system comprises a circulating pump, when the circulating pump is not started in a working state of a non-circulating mode, ink is only discharged from the bottom of the spray head and does not enter the ink return box assembly.
9. A circulating ink path system according to claim 8, wherein: the system comprises an electromagnetic valve, a degassing module and a filter, wherein the spray head is communicated with the ink return box assembly through the electromagnetic valve, the degassing module is communicated with the ink return box assembly through the circulating pump, the circulating pump is communicated with the filter through the degassing module, and the degassing module is communicated with the ink inlet box assembly through the filter;
when the working state of the circulation mode is that the electromagnetic valve and the circulation pump are required to be opened, the circulation pump can enable ink to enter the ink return box assembly from the spray head, and then the ink passes through the degassing module assembly and the filter to reach the ink inlet box assembly, so that circulation action is completed.
10. A circulating ink path system according to claim 9, wherein: the system includes a negative pressure assembly and a solenoid valve, the negative pressure assembly in communication with the degassing die assembly through the solenoid valve to provide negative pressure.
CN202310388942.0A 2023-04-03 2023-04-03 Circulation ink path system Pending CN116278398A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310388942.0A CN116278398A (en) 2023-04-03 2023-04-03 Circulation ink path system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310388942.0A CN116278398A (en) 2023-04-03 2023-04-03 Circulation ink path system

Publications (1)

Publication Number Publication Date
CN116278398A true CN116278398A (en) 2023-06-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310388942.0A Pending CN116278398A (en) 2023-04-03 2023-04-03 Circulation ink path system

Country Status (1)

Country Link
CN (1) CN116278398A (en)

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