CN216610568U - Ink jet system of ink jet printer - Google Patents
Ink jet system of ink jet printer Download PDFInfo
- Publication number
- CN216610568U CN216610568U CN202123449583.0U CN202123449583U CN216610568U CN 216610568 U CN216610568 U CN 216610568U CN 202123449583 U CN202123449583 U CN 202123449583U CN 216610568 U CN216610568 U CN 216610568U
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- ink
- interface
- ink jet
- valve
- cavity
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- 238000011084 recovery Methods 0.000 claims abstract description 13
- 239000007921 spray Substances 0.000 claims abstract 3
- 238000005507 spraying Methods 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 abstract description 9
- 238000007641 inkjet printing Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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Abstract
The utility model belongs to the field of ink-jet printing, and discloses an ink-jet system of an ink-jet printer, which comprises a spray head module, an ink container, a valve component, a pump, a venturi tube and a cleaning tube communicated with the ink container, wherein the valve component comprises an ink-jet valve, a first three-way valve and a second three-way valve, the spray head module comprises an ink-jet cavity, a nozzle connected to the ink-jet cavity and a recovery tube opposite to the nozzle, and the ink-jet cavity is also connected with an ink supply tube and an ink return tube. The ink jet system can realize the operations of ink jet, nozzle cleaning, ink jet and circulation and the like by switching the three-way valve.
Description
Technical Field
The utility model relates to the field of ink-jet printing, in particular to an ink-jet system of an ink-jet printer.
Background
The prior application CN201720332083.3 of this company discloses a high accuracy ink jet numbering machine ink circulation output system for preventing ink from deposiing the layering, including ink tank and ink pump, the ink tank on be equipped with extend to ink tank upper liquid level and with the drain pipe of ink pump entry intercommunication, still include first multi-way solenoid valve, the ink tank be big-end-up's structure, the bottom of ink tank be equipped with first return tube, first multi-way solenoid valve's entry and the export intercommunication of ink pump, an export and the first return tube intercommunication of first multi-way solenoid valve, another exit linkage of first multi-way solenoid valve have the ink output tube.
The advantage of this solution is that the ink can be prevented from delaminating by circulation.
Its disadvantages are: the functionality is not yet complete.
The problem that this scheme will solve lies in: the ink jet pipeline system can realize ink jet, nozzle cleaning, pipeline cleaning and circulation while ink jet.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an ink jet system of an ink jet printer, which can realize the operations of ink jet, nozzle cleaning, ink jet and circulation and the like by switching a three-way valve.
In order to achieve the purpose, the utility model provides the following technical scheme: an ink jet system of an ink jet printer comprises a nozzle module, an ink container, a valve component, a pump and a venturi tube; the ink jet head module comprises an ink jet cavity, a nozzle connected to the ink jet cavity, and a recovery pipe opposite to the nozzle, wherein the ink jet cavity is also connected with an ink supply pipe and an ink return pipe; the ink container, the pump, the main channel of the Venturi tube and the ink container form a first loop; the outlet of the pump, the ink spraying valve and the ink supply pipe are communicated;
the first three-way valve is provided with a first valve cavity, a first interface, a second interface and a third interface which are respectively communicated with the first valve cavity, a first valve core is arranged in the first three-way valve, and when the first valve core is in an opening state, the second interface is closed and the third interface is opened; when the first valve core is in a closed state, the second interface is opened and the third interface is closed;
the second three-way valve is provided with a second valve cavity, a fourth interface, a fifth interface and a sixth interface which are respectively communicated with the second valve cavity, a second valve core is arranged in the second three-way valve, and when the second valve core is in an opening state, the fifth interface is closed and the sixth interface is opened; when the first valve core is in a closed state, the fifth interface is opened and the sixth interface is closed;
connect back the black pipe on the first interface, connect the scavenge pipe on the third interface, second interface and sixth interface connection, the fourth interface is connected with venturi's low pressure side, the fifth interface is connected with the recovery tube.
In the ink jet system of the ink jet numbering machine, the inlet of the ink jet valve is provided with a buffer.
In the ink jet system of the ink jet printer, the outlet of the pump is provided with a post ink filter.
In the ink jet system of the ink jet printer, a pressure sensor is arranged between the rear ink filter and the inlet of the venturi tube.
In the ink jet system of the ink jet numbering machine, the inlet of the pump is provided with the front ink filter, and the filtering precision of the front ink filter is smaller than that of the rear ink filter.
In the ink jet system of the ink jet numbering machine, the ink supply pipe is provided with a filter before feeding.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model adopts the ink jet valve, the first three-way valve, the second three-way valve, the pump and the venturi tube to switch in various forms, and can realize the operations of ink jet, nozzle cleaning, ink jet while circulating and the like.
Drawings
FIG. 1 is a flow chart of an operating state 1 of embodiment 1 of the present invention;
FIG. 2 is a flow chart of operating state 2 of embodiment 1 of the present invention;
fig. 3 is a flowchart of the operating state 3 of embodiment 1 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-3, an ink jet system of an ink jet printer includes a nozzle module, an ink container 1, a valve assembly, a pump 2, and a venturi 3; the ink jet head module comprises an ink jet cavity 8, a nozzle 9 connected to the ink jet cavity 8 and a recovery pipe 10 opposite to the nozzle 9, wherein the ink jet cavity 8 is also connected with an ink supply pipe 11 and an ink recovery pipe 12; the ink container 1, the pump 2, the main channel of the venturi tube 3 and the ink container 1 form a first loop; the outlet of the pump 2, the ink jet valve 5 and the ink supply pipe 11 are communicated;
the first three-way valve 6 is provided with a first valve cavity, a first connector 61, a second connector 62 and a third connector 63 which are respectively communicated with the first valve cavity, a first valve core 64 is arranged in the first three-way valve 6, and when the first valve core 64 is in an opening state, the second connector 62 is closed and the third connector 63 is opened; when the first valve core 64 is in a closed state, the second port 62 is opened and the third port 63 is closed;
the second three-way valve 7 is provided with a second valve cavity, a fourth port 71, a fifth port 72 and a sixth port 73 which are respectively communicated with the second valve cavity, a second valve core 74 is arranged in the second three-way valve 7, and when the second valve core 74 is in an open state, the fifth port 72 is closed and the sixth port 73 is opened; when the first valve spool 64 is in the closed state, the fifth port 72 is opened and the sixth port 73 is closed;
the first connector 61 is connected with the ink recovery pipe 12, the third connector 63 is connected with the cleaning pipe 4, the second connector 62 is connected with the sixth connector 73, the fourth connector 71 is connected with the low-pressure side 31 of the venturi pipe 3, and the fifth connector 72 is connected with the recovery pipe 10.
In any operating state, the first circuit remains open, and a negative pressure is generated in the section of the venturi tube 3, i.e. the low-pressure side, by the fluid flowing through the main conduit of the venturi tube 3.
Working state 1: the ink is jetted, wherein the ink is jetted to the recovery pipe 10 by the nozzle 9, when an object passes through, the ink is jetted to the object, and when no object passes through, the ink enters the recovery pipe 10 to be recovered. The liquid flow path is as follows: the pump 2 → the ink injection valve 5 → the ink supply tube 11 → the ink injection chamber 8 → the nozzle 9 → the recovery tube 10 → the fifth port 72 → the fourth port 71 → the low pressure side;
and 2, working state: the nozzle 9 is cleaned, and the purposes of cleaning the nozzle 9 and preventing the nozzle 9 from being blocked can be achieved by pumping away the ink in the ink jet cavity 8 until the air is pumped into the Venturi tube 3; the liquid flow path is as follows: the ink return tube 12 → the first port 61 → the second port 62 → the sixth port 73 → the fourth port 71 → the low pressure side;
and 3, working state: the ink jet is circulated, and the liquid flow path has two paths, one is: the pump 2 → the third port 63 → the first port 61 → the ink supply tube 11 → the ink ejection chamber 8 → the nozzle 9 → the recovery tube 10 → the fifth port 72 → the fourth port 71 → the low pressure side; the other one is that: the ink jet cavity 8 → the ink return tube 12 → the first interface 61 → the third interface 63 → the cleaning tube 4 → the ink container 1;
preferably, a buffer 13 is arranged at the inlet of the ink jet valve 5, a rear ink filter 14 is arranged at the outlet of the pump 2, a pressure sensor 15 is arranged between the rear ink filter and the inlet of the venturi tube 3, a front ink filter 15 is arranged at the inlet of the pump 2, the filtering precision of the front ink filter 15 is smaller than that of the rear ink filter 14, and a feeding front filter 16 is arranged on the ink supply tube 11.
More specifically, the post-ink filter 14 has a filtration precision of 5 to 10 μm, the pre-ink filter 15 is 40 μm, and the pre-feed filter 16 is 18 to 20 μm.
The pressure sensor 15 is mainly associated with the pump 2 and detects the outlet pressure of the pump 2 to maintain a relatively constant ink output pressure.
Claims (6)
1. An ink jet system of an ink jet printer comprises a spray head module, an ink container, a valve component, a pump and a venturi tube; the ink jet head module comprises an ink jet cavity, a nozzle connected to the ink jet cavity, and a recovery pipe opposite to the nozzle, wherein the ink jet cavity is also connected with an ink supply pipe and an ink return pipe; the ink container, the pump, the main channel of the Venturi tube and the ink container form a first loop; the outlet of the pump, the ink spraying valve and the ink supply pipe are communicated;
the first three-way valve is provided with a first valve cavity, a first interface, a second interface and a third interface which are respectively communicated with the first valve cavity, a first valve core is arranged in the first three-way valve, and when the first valve core is in an opening state, the second interface is closed and the third interface is opened; when the first valve core is in a closed state, the second interface is opened and the third interface is closed;
the second three-way valve is provided with a second valve cavity, a fourth interface, a fifth interface and a sixth interface which are respectively communicated with the second valve cavity, a second valve core is arranged in the second three-way valve, and when the second valve core is in an opening state, the fifth interface is closed and the sixth interface is opened; when the first valve core is in a closed state, the fifth interface is opened and the sixth interface is closed;
connect back the black pipe on the first interface, connect the scavenge pipe on the third interface, second interface and sixth interface connection, the fourth interface is connected with venturi's low pressure side, the fifth interface is connected with the recovery tube.
2. The inkjet printer ink jet system of claim 1, wherein the inlet of the ink jet valve is provided with a buffer.
3. The inkjet printer ink jet system of claim 1 wherein the outlet of the pump is provided with a post ink filter.
4. The inkjet printer ink jet system of claim 3 in which a pressure sensor is provided between the post ink filter and the inlet of the venturi.
5. The inkjet printer ink jet system of claim 3, wherein the inlet of the pump is provided with a front ink filter having a filter fineness less than a filter fineness of a rear ink filter.
6. The inkjet printer ink jet system of claim 1, wherein the ink supply tube is provided with a pre-feed filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123449583.0U CN216610568U (en) | 2021-12-31 | 2021-12-31 | Ink jet system of ink jet printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123449583.0U CN216610568U (en) | 2021-12-31 | 2021-12-31 | Ink jet system of ink jet printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216610568U true CN216610568U (en) | 2022-05-27 |
Family
ID=81686917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123449583.0U Active CN216610568U (en) | 2021-12-31 | 2021-12-31 | Ink jet system of ink jet printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216610568U (en) |
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2021
- 2021-12-31 CN CN202123449583.0U patent/CN216610568U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240411 Address after: 301-302, Building 2, 6-1 Hetai Road, Helong Street, Baiyun District, Guangzhou City, Guangdong Province, 510425 Patentee after: GUANGZHOU MAIXIUTUO PACKAGING EQUIPMENT Co.,Ltd. Country or region after: China Address before: 519090 shop 101, No. 115, Qisha village, Sanzao Town, Jinwan District, Zhuhai City, Guangdong Province Patentee before: Guangdong Lingshi Electronic Technology Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |