CN215609510U - Vacuum defoaming machine, ink supply device and ink-jet printing equipment - Google Patents
Vacuum defoaming machine, ink supply device and ink-jet printing equipment Download PDFInfo
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- CN215609510U CN215609510U CN202121851355.3U CN202121851355U CN215609510U CN 215609510 U CN215609510 U CN 215609510U CN 202121851355 U CN202121851355 U CN 202121851355U CN 215609510 U CN215609510 U CN 215609510U
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Abstract
The utility model discloses a vacuum defoaming machine, an ink supply device and ink-jet printing equipment, and the subject comprises a vacuum container and a vacuumizing unit, wherein the vacuumizing unit is used for vacuumizing the vacuum container, a defoaming unit is arranged in the vacuum container, the defoaming unit is provided with a liquid conveying channel for conveying liquid, and the defoaming unit is used for separating gas in the liquid from the liquid under the action of pressure difference between the liquid conveying channel and the vacuum container. The utility model separates the gas in the liquid passing through the defoaming unit from the liquid under the action of the pressure difference between the liquid conveying channel and the vacuum container, thereby solving the technical problem of separating the dissolved gas from the liquid.
Description
Technical Field
The utility model relates to the technical field of defoaming, in particular to a vacuum defoaming machine, an ink supply device and ink-jet printing equipment.
Background
Flexible screen, refers to flexible OLED. The successful mass production of the flexible screen is not only greatly better than the manufacturing of a new generation of high-end smart phone, but also has a profound influence on the application of wearable equipment due to the characteristics of low power consumption and flexibility, and the flexible screen can be widely applied along with the continuous penetration of a personal intelligent terminal in the future. With the rapid development of the flexible OLED technology, various large panel manufacturers are in deep ploughing the flexible OLED display technology, and the flexible OLED production process generally includes the following processes: film packaging and cleaning, OLED evaporation, inorganic film packaging, organic film packaging and modules.
The thin film encapsulation ink jet printing (abbreviated as TFE IJP) technology is widely applied to the flexible OLED display organic thin film encapsulation technology, specifically, the organic encapsulation material ink is printed on the flexible display device through a printing device, and then the thin film is dried through ultraviolet curing or thermal curing.
Among them, in the process of printing the organic encapsulation material ink onto the device by the inkjet printing apparatus in the thin film encapsulation inkjet printing (abbreviated as TFE IJP), the following defects are easy to occur in the printing process due to the easy dissolution of gas in the process of manufacturing or storing the organic encapsulation material ink:
firstly, the method comprises the following steps: the dissolved gas of the organic packaging material ink is used, the inkjet printing is performed by taking picoliter as a unit, the dissolved gas occupies a certain volume, so that the volume difference of the ink printed at different positions is caused, and after leveling and drying, a mura phenomenon can occur, wherein the mura phenomenon means the meaning of various trace phenomena caused by uneven brightness of a display;
II, secondly: in addition, after the gas dissolved in the organic packaging material ink is ejected from the printing head under pressure, the volume of the gas rapidly expands, and the micro small explosion caused by the volume expansion causes the ink to generate scattered points in the dropping process.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a vacuum defoaming machine, an ink supply device and ink-jet printing equipment, and aims to solve the technical problem of separation of dissolved gas from liquid.
In order to achieve the above purpose, the present invention provides a vacuum defoaming machine, which includes a vacuum container and a vacuumizing unit, wherein the vacuumizing unit is used for vacuumizing the vacuum container, a defoaming unit is arranged in the vacuum container, the defoaming unit is provided with an infusion channel for conveying liquid, and the defoaming unit is used for separating gas in the liquid from the liquid under the action of a pressure difference between the infusion channel and the vacuum container.
Optionally, the liquid inlet end and the liquid outlet end of the infusion channel are respectively arranged on the vacuum container.
Optionally, the vacuum pumping unit comprises a vacuum pump, and the vacuum pump is communicated with the vacuum container through a pumping pipe.
Optionally, a vacuum port is provided at a lower portion of the vacuum container, and the vacuum pump is connected to the vacuum port through an exhaust tube.
Optionally, a vacuum proportional valve is arranged on the extraction pipe.
Optionally, the infusion channel is a fluoropolymer hose, and one end of the fluoropolymer hose is a liquid inlet end, and the other end of the fluoropolymer hose is a liquid outlet end.
Optionally, the fluoropolymer hose is in the form of a coil spring.
The utility model also provides an ink supply device which comprises the vacuum defoaming machine, a first liquid storage tank, a second liquid storage tank and an ink box, wherein the first liquid storage tank is communicated with one end of a liquid conveying channel of the vacuum defoaming machine through a first liquid conveying pipe, the other end of the liquid conveying channel of the vacuum defoaming machine is communicated with the ink box through a second liquid conveying pipe, and the ink box is communicated with the second liquid storage tank through a third liquid conveying pipe.
Optionally, a liquid outlet is arranged at the bottom of the first liquid storage tank, a liquid inlet is arranged at the bottom of the second liquid storage tank, the liquid outlet is communicated with one end of a liquid conveying channel of the vacuum defoaming machine through a first liquid conveying pipe, and the ink box is communicated with the liquid inlet through a third liquid conveying pipe.
Optionally, an infusion pump is arranged on the first infusion tube, the second infusion tube or the third infusion tube.
Optionally, a first valve is arranged on the first infusion tube, the second infusion tube or the third infusion tube.
Optionally, the first reservoir and the second reservoir are in communication via a return line.
Optionally, a second valve is arranged on the return pipe.
Optionally, the infusion pump is a diaphragm pump.
Optionally, the first valve is a solenoid valve.
Optionally, the second valve is a solenoid valve.
The utility model also provides ink-jet printing equipment which comprises the ink supply device and a printing head, wherein the printing head is arranged on an ink box of the ink supply device.
The technical scheme of the utility model provides a vacuum defoaming machine which comprises a vacuum container and a vacuumizing unit, wherein the vacuumizing unit is used for vacuumizing the vacuum container, a defoaming unit is arranged in the vacuum container, the defoaming unit is provided with a liquid conveying channel for conveying liquid, and the defoaming unit is used for separating gas in the liquid from the liquid under the action of pressure difference between the liquid conveying channel and the vacuum container. The utility model separates the gas in the liquid passing through the defoaming unit from the liquid under the action of the pressure difference between the liquid conveying channel and the vacuum container, thereby solving the technical problem of separating the dissolved gas from the liquid.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of a vacuum defoaming machine according to the present invention;
FIG. 2 is a schematic view of the vacuum debubbling machine of the present invention separating dissolved gases;
FIG. 3 is a schematic structural diagram of an ink supply apparatus according to the present invention;
the reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
201 | The |
| 20 | |
300 | Second |
| 21 | |
301 | |
| 30 | |
400 | |
| 31 | |
401 | |
| 40 | Vacuum |
500 | |
| 100 | |
600 | |
| 101 | |
700 | |
| 200 | The first liquid storage tank |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
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.
It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" and/or "appears throughout, the meaning includes three parallel schemes, for example," A and/or B "includes scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 and fig. 2, the present invention provides a vacuum defoaming machine 100, which includes a vacuum container 10 and a vacuum unit 20, wherein the vacuum unit 20 is used for vacuumizing the vacuum container 10, a defoaming unit 30 is disposed in the vacuum container 10, the defoaming unit 30 is provided with a liquid conveying channel 31 for conveying liquid, and the defoaming unit 30 is used for separating gas in the liquid from the liquid under the action of a pressure difference between the liquid conveying channel 31 and the vacuum container 10.
When the vacuum degassing device is used, firstly, the vacuum container is vacuumized by the vacuumizing unit, then liquid containing dissolved gas is input into the defoaming unit from the liquid inlet end, and the gas in the liquid is separated from the liquid under the action of the pressure difference between the liquid conveying channel and the vacuum container, so that the technical problem that the dissolved gas is separated from the liquid is solved.
In this embodiment, the liquid inlet end and the liquid outlet end of the infusion channel 31 are respectively arranged on the vacuum container 10, so that the infusion channel can be conveniently connected with the outside.
In the present embodiment, the vacuum pumping unit 20 includes a vacuum pump, and the vacuum pump is communicated with the vacuum container 10 through a pumping pipe 21. The vacuum container is vacuumized by the vacuum pump, and dissolved gas separated from liquid in the vacuum container is pumped out simultaneously, so that the purposes of liquid degassing and liquid defoaming are achieved.
Further, in the present embodiment, a vacuum port is provided at a lower portion of the vacuum container 10, and the vacuum pump is connected to the vacuum port through the suction pipe 21. The dissolved gas separated from the liquid is pumped out of the bottom of the vacuum vessel by a vacuum pump.
In this embodiment, a vacuum proportional valve 40 is provided on the exhaust tube 21. The vacuum degree in the vacuum container can be adjusted and set through the vacuum proportional valve so as to conveniently control the vacuumizing process.
Referring to fig. 2, in the embodiment, the liquid feeding channel 31 is a fluoropolymer hose, one end of which is a liquid inlet end, and the other end of which is a liquid outlet end. The fluoropolymer hose is only allowed to penetrate by tiny gas, but the liquid with higher viscosity cannot penetrate, so that under the action of the pressure difference between the fluoropolymer hose and the vacuum container, gas in the liquid entering the fluoropolymer hose is separated from the liquid, then dissolved gas separated from the liquid penetrates through the fluoropolymer hose and enters the vacuum container, the dissolved gas is separated from the liquid, and finally the dissolved gas separated from the liquid is pumped out by the vacuum pump.
Further, in this embodiment, the fluoropolymer hose is in the form of a coil spring. The arrangement of the spiral spring shape can increase the total length of the fluoropolymer hose in the limited volume of the vacuum container, thereby improving the separation effect.
Referring to fig. 3, the present invention further provides an ink supply device, which includes a first vacuum defoaming machine 100, a first liquid storage tank 200, a second liquid storage tank 300 and an ink cartridge 400, wherein the first liquid storage tank 200 is communicated with one end of a liquid conveying channel 31 of the vacuum defoaming machine 100 through a first liquid conveying pipe 201, the other end of the liquid conveying channel 31 of the vacuum defoaming machine 100 is communicated with the ink cartridge 400 through a second liquid conveying pipe 101, and the ink cartridge 400 is communicated with the second liquid storage tank 300 through a third liquid conveying pipe 401.
The ink supply device of the utility model realizes the ink supply of the ink box by filling the ink in the first liquid storage tank and utilizing the hydraulic pressure difference between the first liquid storage tank and the second liquid storage tank to ensure that the ink in the first liquid storage tank flows to the second liquid storage tank through the ink box, and the ink is defoamed by adopting a theme one vacuum defoaming machine before the ink in the ink box is supplied, so that the bubbles in an ink path can be reduced, and the printing head of the ink-jet printer is prevented from being blocked by the solidified ink; in addition, the first liquid storage tank and the second liquid storage tank can be vacuumized, so that the vacuum degrees of the first liquid storage tank and the second liquid storage tank are different, and the vacuum pressure difference is formed between the first liquid storage tank and the second liquid storage tank, so that the continuous supply of ink of the ink box is ensured.
In addition, the specific structure of the first subject refers to the above embodiments, and since the second subject adopts all technical solutions of all embodiments of the first subject, at least all beneficial effects brought by the technical solutions of the above embodiments are achieved, and are not described in detail herein.
In this embodiment, a liquid outlet is disposed at the bottom of the first liquid storage tank 200, a liquid inlet is disposed at the bottom of the second liquid storage tank 300, the liquid outlet is communicated with one end of the liquid conveying channel 31 of the vacuum defoaming machine 100 through a first liquid conveying pipe 201, and the ink cartridge 400 is communicated with the liquid inlet through a third liquid conveying pipe 401. When the ink box is used, the first liquid storage tank and the second liquid storage tank can be arranged at positions higher than the ink box and the vacuum defoaming machine, so that even if the hydraulic pressure difference between the first liquid storage tank and the second liquid storage tank is only utilized, the ink in the first liquid storage tank can smoothly flow to the second liquid storage tank through the ink box, and the ink supply of the ink in the ink box is realized.
Further, in the present embodiment, the first infusion tube 201, the second infusion tube 101, or the third infusion tube 401 is provided with an infusion pump 500. Preferably, the third infusion tube 401 is provided with an infusion pump 500, which can efficiently deliver ink and also facilitate control of the delivery rate. In this embodiment, the infusion pump 500 is a diaphragm pump.
Further, in the present embodiment, the first valve 600 is provided in the first infusion tube 201, the second infusion tube 101, or the third infusion tube 401. The first valve is used for opening or closing the conveying channel of the first transfusion tube, the second transfusion tube or the third transfusion tube. In this embodiment, the first valve 600 is a solenoid valve.
Further, in the present embodiment, the first tank 200 and the second tank 300 are communicated with each other through the return pipe 301. Through being equipped with the back flow can make the liquid in the second liquid storage pot flow back to in the first liquid storage pot when reaching certain liquid level, realize the supply circulation. In the present embodiment, one end of the return pipe 301 is connected to the middle of the first reservoir 200, and the other end is connected to the middle of the second reservoir 300.
Further, in the present embodiment, the return pipe 301 is provided with a second valve 700. The return line can be opened or closed by means of a second valve. In this embodiment, the second valve 700 is a solenoid valve.
The utility model also proposes an inkjet printing device comprising an ink supply according to subject two and a print head arranged on an ink cartridge 400 of the ink supply. The specific structure of the second subject refers to the above embodiments, and since the third subject adopts all technical solutions of all embodiments of the second subject, all beneficial effects brought by the technical solutions of the above embodiments are at least achieved, and are not repeated herein.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The vacuum defoaming machine is characterized by comprising a vacuum container and a vacuumizing unit, wherein the vacuumizing unit is used for vacuumizing the vacuum container, a defoaming unit is arranged in the vacuum container, the defoaming unit is provided with a liquid conveying channel for conveying liquid, and the defoaming unit is used for separating gas in the liquid from the liquid under the action of pressure difference between the liquid conveying channel and the vacuum container.
2. The vacuum defoamers of claim 1, wherein said evacuation unit comprises a vacuum pump, said vacuum pump being in communication with said vacuum vessel through an evacuation tube.
3. The vacuum defoaming machine according to claim 2, wherein a vacuum port is provided at a lower portion of the vacuum container, and the vacuum pump is connected to the vacuum port through a suction pipe.
4. The vacuum defoamers of claim 3, wherein a vacuum proportional valve is disposed on said extraction tube.
5. The vacuum defoamation apparatus of claim 1 wherein the feed path is a fluoropolymer hose having a liquid inlet end at one end and a liquid outlet end at the other end.
6. The vacuum defoamers of claim 5 wherein said fluoropolymer hose is in the form of a coil spring.
7. An ink supply device, which is characterized by comprising the vacuum defoaming machine, a first liquid storage tank, a second liquid storage tank and an ink box according to any one of claims 1 to 6, wherein the first liquid storage tank is communicated with one end of a liquid conveying channel of the vacuum defoaming machine through a first liquid conveying pipe, the other end of the liquid conveying channel of the vacuum defoaming machine is communicated with the ink box through a second liquid conveying pipe, and the ink box is communicated with the second liquid storage tank through a third liquid conveying pipe.
8. The ink supply device as claimed in claim 7, wherein an infusion pump is provided on the first infusion tube, the second infusion tube or the third infusion tube;
and/or a first valve is arranged on the first infusion tube, the second infusion tube or the third infusion tube.
9. The ink supply apparatus as defined in claim 7, wherein said first reservoir and said second reservoir are in communication via a return conduit;
and/or the return pipe is provided with a second valve.
10. An ink jet printing apparatus comprising an ink supply as claimed in any one of claims 7 to 9 and a printhead provided on an ink container of the ink supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121851355.3U CN215609510U (en) | 2021-08-09 | 2021-08-09 | Vacuum defoaming machine, ink supply device and ink-jet printing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121851355.3U CN215609510U (en) | 2021-08-09 | 2021-08-09 | Vacuum defoaming machine, ink supply device and ink-jet printing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215609510U true CN215609510U (en) | 2022-01-25 |
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ID=79896232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121851355.3U Active CN215609510U (en) | 2021-08-09 | 2021-08-09 | Vacuum defoaming machine, ink supply device and ink-jet printing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215609510U (en) |
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2021
- 2021-08-09 CN CN202121851355.3U patent/CN215609510U/en active Active
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