CN217574521U - Intelligent ink path negative pressure system for ink-jet printing equipment and printer - Google Patents
Intelligent ink path negative pressure system for ink-jet printing equipment and printer Download PDFInfo
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- CN217574521U CN217574521U CN202221810653.2U CN202221810653U CN217574521U CN 217574521 U CN217574521 U CN 217574521U CN 202221810653 U CN202221810653 U CN 202221810653U CN 217574521 U CN217574521 U CN 217574521U
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Abstract
The utility model relates to an intelligence china ink way negative pressure system for inkjet printing equipment, including ink supply system and negative pressure system, ink supply system includes two return circuits: an ink supply loop and a throttling loop; the throttling circuit comprises a secondary ink box, a spray head, a throttling valve, a second electromagnetic valve and a first air pump which are sequentially connected, the first air pump is set to exhaust air outwards, the throttling valve is set to adjust the air flow, when the secondary ink box replenishes ink, the second electromagnetic valve is opened to drive the first air pump, the air is exhausted outwards to prevent the ink from flowing out of the spray head, the air flow is adjusted through the throttling valve, the situation that the ink flows into a negative pressure system due to overlarge negative pressure is avoided, and the service life of the whole equipment is prolonged.
Description
Technical Field
The utility model belongs to the printer field, concretely relates to intelligent china ink way negative pressure system and printer for inkjet printing equipment.
Background
The ink supply negative pressure system is an important link in the ink jet printing equipment, and the ink supply fluency in high-speed printing is a judgment standard for the quality of the ink supply negative pressure system, wherein the ink supply fluency can be ensured, and the ink dripping phenomenon of a nozzle can be prevented, so that the ink supply negative pressure system is an important research object. The traditional printer adopts a mode that the mounting position of an ink box is lower than that of a spray head, so that ink dripping phenomenon cannot occur at the spray head due to the action of gravity, but the mechanical mounting position is high in requirement, relatively fixed and incapable of being randomly placed; and a negative pressure system formed by a negative pressure meter has poor sensitivity and low productivity.
Therefore, in view of the current situation, it is urgently needed to develop an intelligent ink path negative pressure system to overcome the defects in the current practical application.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model discloses an overcome the not enough of prior art existence, and provide one kind and can simplify mechanical design, usable negative pressure holds the ink simultaneously and makes its shower nozzle can not produce the intelligent china ink way negative pressure system that drips the china ink phenomenon and can high-efficiently print.
The utility model aims at accomplishing through following technical scheme, an intelligence china ink way negative pressure system for inkjet printing equipment, including ink supply system and negative pressure system, ink supply system includes two return circuits: an ink supply loop and a throttling loop; the ink supply loop comprises an ink supply barrel, an ink supply pump, a one-way valve, a filter, a first electromagnetic valve, a secondary ink box and a spray head which are connected in sequence, the throttling loop comprises the secondary ink box, the spray head, a throttling valve, a second electromagnetic valve and a first air pump which are connected in sequence, the first air pump is used for exhausting air outwards, the throttling valve is used for adjusting the air flow, so that when the secondary ink box is replenished with ink, the second electromagnetic valve is opened to drive the first air pump to exhaust air outwards to prevent the ink from flowing out of the spray head, and the throttling valve is used for adjusting the air flow to prevent the ink from flowing into a negative pressure system due to overlarge negative pressure; and opening the first electromagnetic valve to drive the ink supply pump, filtering the ink in the ink supply barrel through the one-way valve and the filter, and flowing to the secondary ink box to replenish the ink.
Preferably, the negative pressure system comprises two circuits: a negative pressure circuit and an ink pressing circuit; the negative pressure loop is sequentially connected and comprises a bidirectional cut-off part, a negative pressure cylinder, a negative pressure sensor, a fourth electromagnetic valve, a secondary ink box and a spray head, wherein the bidirectional cut-off part is set to be capable of inflating the negative pressure cylinder and extracting air from the negative pressure cylinder so as to be suitable for inflating or extracting air from the negative pressure cylinder through the bidirectional cut-off part when the negative pressure sensor detects that the negative pressure value in the system is abnormal, and the negative pressure value in the system is enabled to reach a balance state.
Preferably, the bidirectional cut-off component comprises a second air pump, a third air pump and a third electromagnetic valve, the third air pump is connected with the negative pressure cylinder, the second air pump and the third electromagnetic valve are sequentially connected with the negative pressure cylinder, and the second air pump and the third air pump are arranged as one-way air pumps with opposite functions.
Preferably, the second air pump is arranged to charge air into the negative pressure cylinder and a third air pump is arranged to draw air from the negative pressure cylinder.
Preferably, the ink pressing loop is connected in sequence and comprises an ink pressing pump, a fourth electromagnetic valve, a secondary ink box and a spray head.
Preferably, the negative pressure system further comprises a protection ink box, and the protection ink box is arranged between the fourth electromagnetic valve and the secondary ink box.
Preferably, the fourth solenoid valve is a three-way device, and the negative pressure circuit and the ink pressing circuit are conducted and selected through the fourth solenoid valve.
Preferably, the ink circuit and the negative pressure circuit do not operate simultaneously.
Preferably, the negative pressure system is communicated with the ink supply system through the fourth electromagnetic valve.
Preferably, the printer comprises any one of the intelligent ink path negative pressure systems for the ink jet printing device.
The utility model discloses an above-mentioned technical scheme can realize following effect:
the utility model discloses a negative pressure sensor real-time detection negative pressure has reduced the requirement to mechanical mounting position, and through the design in throttle return circuit, the effectual printer of avoiding drips the phenomenon that china ink and ink flowed into negative pressure system at the shower nozzle in the link of replenishment ink.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an overall structure diagram of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.
The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention without any creative work belong to the protection scope of the present invention.
Although the present invention has been described using expressions such as "first", "second", etc. to describe various elements of the embodiments of the present invention, "first", "second", etc. are merely intended to distinguish between the various elements and do not indicate a particular order or degree of importance. Indeed, the terms "first," "second," and the like are fully interchangeable.
Example one
An intelligent ink path negative pressure system for an inkjet printing device, as shown in fig. 1, includes an ink supply system and a negative pressure system, in this embodiment, the negative pressure system is communicated with the ink supply system through a fourth electromagnetic valve, and the fourth electromagnetic valve is a three-way device, so as to maintain the stability and fluency of the ink supply system and ensure the printing effect. The ink supply system includes two circuits: an ink supply loop and a throttling loop; the ink supply loop comprises an ink supply barrel, an ink supply pump, a one-way valve, a filter, a first electromagnetic valve, a second-stage ink box and a spray head which are sequentially connected, the throttling loop comprises a second-stage ink box, a spray head, a throttling valve, a second electromagnetic valve and a first air pump which are sequentially connected, the first air pump is used for exhausting air outwards, the throttling valve is used for adjusting the air flow, so that when the second-stage ink box needs to be replenished with ink in the running process of the printer, the fourth electromagnetic valve is closed firstly, the negative pressure loop is cut off, the second electromagnetic valve is opened, the first air pump is driven, the air is exhausted outwards to prevent the ink in the pipeline from flowing out of the spray head, the air flow is adjusted through the throttling valve, and the ink is prevented from flowing into the pipeline of the negative pressure system due to overlarge negative pressure; and when the ink replenishing of the secondary ink box is finished, the first air pump is stopped to be driven, the second electromagnetic valve is turned off, the ink supply pump is stopped to be driven, the first electromagnetic valve is turned off, and finally, the fourth electromagnetic valve is opened by the system to recover the negative pressure loop.
In an embodiment of the present invention, the negative pressure system includes two loops: a negative pressure circuit and an ink pressing circuit; the negative pressure loop is sequentially connected with and comprises a bidirectional cut-off part, a negative pressure cylinder, a negative pressure sensor, a fourth electromagnetic valve, a secondary ink box and a spray head, wherein the bidirectional cut-off part is set to be capable of inflating into the negative pressure cylinder and exhausting from the negative pressure cylinder so as to be suitable for inflating or exhausting in the negative pressure cylinder through the bidirectional cut-off part when the negative pressure sensor detects that the negative pressure value in the system is abnormal, so that the negative pressure value in the system is enabled to reach a balance state, the type of the negative pressure sensor is not limited, the specific negative pressure range of the negative pressure cylinder is not limited, and in the actual use process, different negative pressure values can be set according to the volume of the secondary ink box surrounding the negative pressure cylinder.
In an embodiment of the present invention, the further provided bidirectional stopping component includes a second air pump, a third air pump and a third electromagnetic valve, the third air pump is connected to the negative pressure cylinder, the second air pump and the third electromagnetic valve are sequentially connected to the negative pressure cylinder, the second air pump and the third air pump are set as one-way air pumps with opposite actions, that is, the second air pump and the third air pump are used for charging air into the negative pressure cylinder, and one is used for pumping air from the negative pressure cylinder, and the combination of the one-way air pump and the electromagnetic valve is adopted, so as to prevent the occurrence of air leakage. A further second air pump is arranged to charge the negative pressure cylinder and a third air pump is arranged to extract air from the negative pressure cylinder.
In an embodiment of the present invention, the ink pressing loop is sequentially connected to and includes an ink pressing pump, a fourth electromagnetic valve, a secondary ink cartridge, and a nozzle, when manual ink pressing is required for the nozzle, the negative pressure loop of the fourth electromagnetic valve is turned off, the ink pressing loop of the fourth electromagnetic valve is opened, the ink pressing pump is driven to act, air flow enters the secondary ink cartridge through the protection ink cartridge, and ink in the secondary ink cartridge is forced to flow out through the nozzle; when the manual ink pressing signal stops, the ink pressing loop of the fourth electromagnetic valve is turned off, the ink pressing pump is stopped to be driven, and the negative pressure loop of the fourth electromagnetic valve is opened.
The utility model discloses an embodiment, negative pressure system still includes the protection ink horn, and the protection ink horn sets up between fourth solenoid valve and second grade ink horn, thereby the protection ink horn is too big in order to prevent the negative pressure to cause the ink backward flow, pollutes solenoid valve and air pump in the negative pressure return circuit, and can carry out the fault indication when having the china ink in the protection ink horn, in time clears up the life that can prolong whole equipment.
The utility model discloses an in an embodiment, the fourth solenoid valve is the tee bend device, connect respectively and press black return circuit, negative pressure return circuit and ink supply system in addition, the three does not work simultaneously, negative pressure return circuit, press black return circuit to switch on the selection through the fourth solenoid valve, in most of the time, negative pressure return circuit switches on, press black return circuit to end, mechanical design has been simplified to this embodiment, usable negative pressure holds the ink simultaneously and makes its shower nozzle can not produce the phenomenon of dripping the black, has also guaranteed the smoothness nature of high-speed printing in-process.
The foregoing description, for purposes of explanation, used specific nomenclature to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without the specific details. Thus, the foregoing descriptions of specific embodiments described herein are presented for purposes of illustration and description. They are not intended to be exhaustive or to limit the embodiments to the precise forms disclosed. It will be apparent to those skilled in the art that many modifications and variations are possible in light of the above teaching. Further, as used herein to refer to the position of a component, the terms above and below, or their synonyms, do not necessarily refer to an absolute position relative to an external reference, but rather to a relative position of the component with reference to a drawing.
Moreover, the foregoing drawings and description include many concepts and features that may be combined in various ways to achieve various benefits and advantages. Thus, features, components, elements and/or concepts from the various figures may be combined to produce embodiments or implementations not necessarily shown or described in this specification. Furthermore, not all features, components, elements and/or concepts shown in a particular figure or description are necessarily required to be in any particular embodiment and/or implementation. It is to be understood that such embodiments and/or implementations fall within the scope of the present description.
Claims (10)
1. The utility model provides an intelligence ink route negative pressure system for inkjet printing equipment, includes ink supply system and negative pressure system, its characterized in that: the ink supply system includes two circuits: an ink supply loop and a throttling loop; the ink supply loop comprises an ink supply barrel, an ink supply pump, a one-way valve, a filter, a first electromagnetic valve, a secondary ink box and a spray head which are connected in sequence, the throttling loop comprises the secondary ink box, the spray head, a throttling valve, a second electromagnetic valve and a first air pump which are connected in sequence, the first air pump is used for exhausting air outwards, the throttling valve is used for adjusting the air flow, so that when the secondary ink box is replenished with ink, the second electromagnetic valve is opened to drive the first air pump to exhaust air outwards to prevent the ink from flowing out of the spray head, and the throttling valve is used for adjusting the air flow to prevent the ink from flowing into a negative pressure system due to overlarge negative pressure; and opening the first electromagnetic valve, driving the ink supply pump, filtering the ink in the ink supply barrel through the one-way valve and the filter, and then flowing to the secondary ink box to supplement the ink.
2. The intelligent ink path negative pressure system for an inkjet printing apparatus of claim 1, wherein: the negative pressure system comprises two circuits: a negative pressure circuit and an ink pressing circuit; the negative pressure loop is sequentially connected and comprises a bidirectional cut-off part, a negative pressure cylinder, a negative pressure sensor, a fourth electromagnetic valve, a secondary ink box and a spray head, wherein the bidirectional cut-off part is set to be capable of inflating the negative pressure cylinder and extracting air from the negative pressure cylinder so as to be suitable for inflating or extracting air from the negative pressure cylinder through the bidirectional cut-off part when the negative pressure sensor detects that the negative pressure value in the system is abnormal, and the negative pressure value in the system is enabled to reach a balance state.
3. The intelligent ink path negative pressure system for an inkjet printing apparatus of claim 2, wherein: the bidirectional cut-off component comprises a second air pump, a third air pump and a third electromagnetic valve, the third air pump is connected with the negative pressure air cylinder, the second air pump and the third electromagnetic valve are sequentially connected with the negative pressure air cylinder, and the second air pump and the third air pump are set to be unidirectional air pumps with opposite effects.
4. The intelligent ink path negative pressure system for an inkjet printing apparatus of claim 3, wherein: the second air pump is configured to inflate the negative pressure cylinder and the third air pump is configured to evacuate air from the negative pressure cylinder.
5. The intelligent ink path negative pressure system for an inkjet printing apparatus of claim 2, wherein: the ink pressing loop is connected in sequence and comprises an ink pressing pump, a fourth electromagnetic valve, a secondary ink box and a spray head.
6. The intelligent ink path negative pressure system for an inkjet printing apparatus of claim 2, wherein: the negative pressure system further comprises a protection ink box, and the protection ink box is arranged between the fourth electromagnetic valve and the secondary ink box.
7. The intelligent ink path negative pressure system for an inkjet printing apparatus of claim 2, wherein: the fourth electromagnetic valve is a three-way device, and the negative pressure loop and the ink pressing loop are conducted and selected through the fourth electromagnetic valve.
8. The intelligent ink path negative pressure system for an inkjet printing apparatus of claim 2, wherein: the ink pressing loop and the negative pressure loop do not work simultaneously.
9. The intelligent ink path negative pressure system for an inkjet printing apparatus of claim 2, wherein: the negative pressure system is communicated with the ink supply system through the fourth electromagnetic valve.
10. A printer, characterized by: the printer comprises the intelligent ink path negative pressure system for the ink jet printing device as claimed in any one of the claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221810653.2U CN217574521U (en) | 2022-07-13 | 2022-07-13 | Intelligent ink path negative pressure system for ink-jet printing equipment and printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221810653.2U CN217574521U (en) | 2022-07-13 | 2022-07-13 | Intelligent ink path negative pressure system for ink-jet printing equipment and printer |
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| Publication Number | Publication Date |
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| CN217574521U true CN217574521U (en) | 2022-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221810653.2U Active CN217574521U (en) | 2022-07-13 | 2022-07-13 | Intelligent ink path negative pressure system for ink-jet printing equipment and printer |
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| Country | Link |
|---|---|
| CN (1) | CN217574521U (en) |
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- 2022-07-13 CN CN202221810653.2U patent/CN217574521U/en active Active
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