CN212757371U - Liquid crystal defoaming equipment - Google Patents
Liquid crystal defoaming equipment Download PDFInfo
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- CN212757371U CN212757371U CN202021349216.6U CN202021349216U CN212757371U CN 212757371 U CN212757371 U CN 212757371U CN 202021349216 U CN202021349216 U CN 202021349216U CN 212757371 U CN212757371 U CN 212757371U
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Abstract
The utility model relates to a corollary equipment in the production of liquid crystal display panel specifically is a liquid crystal deaeration equipment. The utility model discloses a solve the problem that current deaeration equipment can't realize carrying out the deaeration to the liquid crystal that the steel bottle held, provided a liquid crystal deaeration equipment suitable for the steel bottle holds. The liquid crystal defoaming equipment comprises a sealed vacuum cavity body consisting of a cavity body and a cavity door, wherein the vacuum cavity body is provided with two vacuum cavities, each vacuum cavity body is connected with at least one vacuum pump, and at least one heating component is arranged in one vacuum cavity body. The utility model discloses in the equipment, realized the deaeration to the liquid crystal that the steel bottle held through heating and evacuation in the vacuum cavity.
Description
Technical Field
The utility model relates to a key equipment that liquid crystal deaeration process used in the liquid crystal display panel production specifically is a liquid crystal deaeration equipment.
Background
In the prior art, when the liquid crystal display panel is produced, liquid crystal needs to be injected into a liquid crystal glass box firstly, but before the liquid crystal is injected into the liquid crystal glass box, the liquid crystal needs to be defoamed, and air and water vapor in the liquid crystal need to be removed, so that the yield and the display reliability in the production are ensured. The defoaming is an extremely important process in the whole production process and is an essential process. In the defoaming treatment process, liquid crystal defoaming equipment corresponding to the liquid crystal bottle is adopted for defoaming treatment. When the existing liquid crystal is defoamed, a liquid crystal bottle (usually, a glass bottle and a steel bottle are used for containing liquid crystal) is used for containing liquid crystal. The vacuum cavity is connected with one end of the vacuum valve, the other end of the vacuum valve is connected with one end of the vacuum pipeline, and the other end of the vacuum pipeline is connected with the vacuum pump. During the use, after putting into vacuum chamber with the liquid crystal bottle that holds liquid crystal, open the vacuum valve, realize being connected of vacuum pump and vacuum chamber, carry out the evacuation and reach and set for the target value, but this kind of deaeration equipment all is applicable to the liquid crystal deaeration that the glass bottle held, can't be suitable for the requirement of steel bottle deaeration, and it is inconvenient that this kind of equipment places the liquid crystal bottle simultaneously, places quantity less, does not have large-scale observation window, can't observe the deaeration actual conditions, and the production process is uncontrollable, and the production efficiency of equipment is also lower.
Disclosure of Invention
The utility model discloses a solve the problem that current deaeration equipment can't realize carrying out the deaeration to the liquid crystal that the steel bottle held, provided a liquid crystal deaeration equipment suitable for the steel bottle holds.
The utility model discloses an adopt following technical scheme to realize:
the liquid crystal defoaming equipment comprises a sealed vacuum cavity body consisting of a cavity body and a cavity door, wherein the vacuum cavity body is connected with at least one vacuum pump, and at least one heating component is arranged in the vacuum cavity body. During the use, in putting into vacuum chamber with the liquid crystal bottle (the glass bottle holds or the steel bottle holds), vacuum pump through being connected with vacuum chamber provides the vacuum, because the liquid crystal volume that adopts the steel bottle to hold is many, light can make the deaeration incomplete by the vacuum pump deaeration, consequently be provided with the heater block in vacuum chamber, the liquid crystal that holds the steel bottle heats, increase liquid crystal mobility, air and vapor in the liquid crystal that lets the steel bottle hold especially can volatilize to the upper portion of steel bottle in the air and the vapor that are located the liquid crystal of steel bottle bottom, thereby realize carrying out abundant deaeration to the liquid crystal that the steel bottle held, so that reach the requirement of deaeration.
The liquid crystal defoaming equipment comprises two vacuum cavities, wherein each vacuum cavity is a sealed vacuum cavity consisting of a cavity body and a cavity door, each vacuum cavity is connected with at least one vacuum pump, and at least one heating component is arranged in one vacuum cavity. During the use, be equipped with the liquid crystal that the steel bottle held or the glass bottle held in can being used for placing in the vacuum cavity of heater block, be used for placing the liquid crystal that the glass bottle held in another vacuum cavity, the liquid crystal that the glass bottle held also can reach the requirement of deaeration even unheated when the vacuum deaeration, so generally place it when liquid crystal to the glass bottle holds and carry out the deaeration in the vacuum cavity of no heater block, avoid the wasting of resources.
The utility model discloses produced beneficial effect as follows: the utility model discloses in the equipment, the deaeration to the liquid crystal that the steel bottle held has been realized through setting up the heater block in the vacuum cavity, and this equipment has adopted the deaeration mode of upper and lower double vacuum chamber, go up the liquid crystal deaeration that the vacuum chamber corresponds the glass bottle and holds, the liquid crystal deaeration that the lower vacuum chamber corresponds the steel bottle and holds, this equipment has still adopted two sets of vacuum pumps to correspond two vacuum chambers about simultaneously, every group vacuum pump comprises drier pump and lobe pump, the limit vacuum value of liquid crystal deaeration has been improved, improve to being less than or equal to 0.5MPa by original being less than or equal to 5MPa, improve an order of magnitude, and then air and vapor content in the liquid crystal have been reduced by a wide margin, the quality in the liquid crystal panel production has been improved greatly, reduce the probability of.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a partial enlarged view of the present invention.
In the figure: 1-vacuum cavity, 1-1 upper vacuum cavity, 1-2 lower vacuum cavity, 2-vacuum pump, 3-heating plate, 3-1-first heating plate, 3-2-second heating plate, 3-third heating plate, 4-upper and lower cavity communicating ball valve, 5-1-first vacuum pipeline, 5-2-second vacuum pipeline, 5-3-third vacuum pipeline, 6-1-first air extraction valve, 6-2-second air extraction valve, 7-1-first vacuum valve, 7-2-second vacuum valve.
Detailed Description
The first embodiment is as follows: referring to fig. 1 to 3, the liquid crystal defoaming apparatus includes a sealed vacuum chamber 1 composed of a chamber body and a chamber door, the vacuum chamber 1 is connected to at least one vacuum pump 2, and at least one heating member is disposed in the vacuum chamber 1. In specific implementation, the vacuum cavity 1 is a cuboid, the vacuum cavity 1 is connected with two vacuum pumps 2, and the two vacuum pumps 2 are respectively a dry pump and a roots pump. The structure is more convenient than a cylindrical vacuum cavity for placing a liquid crystal bottle, and the configuration of a double-stage pump is adopted to ensure that the limit vacuum value in the vacuum cavity is less than or equal to 0.5MPa in the vacuum pumping process. The heater block is hot plate 3, hot plate 3 has threely, is first hot plate 3-1, second hot plate 3-2 and third hot plate 3-3 respectively, first hot plate 3-1, second hot plate 3-2 are located the both sides face in vacuum cavity 1, third hot plate 3-3 is located the bottom surface in vacuum cavity 1, all be equipped with temperature sensor on every hot plate 3 to monitor the hot plate temperature, make the heating effect better, also improved vacuum efficiency simultaneously, the deaeration effect is better. An observation window is arranged on a cavity door of the vacuum cavity body, and an illuminating lamp is arranged at the rear part in the vacuum cavity body 1. The arrangement facilitates the real-time observation of the defoaming condition in the vacuum cavity 1, the production process is controllable, and the defoaming yield is improved.
Example two: referring to fig. 1 to 3, a liquid crystal defoaming apparatus includes two vacuum chambers 1, each vacuum chamber 1 is a sealed vacuum chamber composed of a chamber body and a chamber door, each vacuum chamber 1 is connected to at least one vacuum pump 2, and at least one heating member is disposed in one of the vacuum chambers 1.
In specific implementation, the number of the vacuum pumps 2 is four, every two vacuum pumps 2 form a group, each vacuum cavity 1 is connected with a group of vacuum pumps, and each group of vacuum pumps consists of a dry pump and a roots pump. The vacuum degree is higher and the defoaming effect is better when each vacuum cavity 1 is correspondingly connected with two vacuum pumps 2, and the limit vacuum value in the vacuum cavity is less than or equal to 0.5MPa in the vacuumizing process by adopting the configuration of the double-stage pump.
In specific implementation, the vacuum chambers 1 are cuboids, one vacuum chamber 1 is called an upper vacuum chamber 1-1, the other vacuum chamber 1 is called a lower vacuum chamber 1-2, the upper vacuum chamber 1-1 is arranged at the top of the lower vacuum chamber 1-2, and the heating part is arranged in the lower vacuum chamber 1-2. The layout of the structure is more reasonable, so that the equipment occupies a small area, and the rectangular vacuum cavity is more convenient than the cylindrical vacuum cavity to place the liquid crystal bottle.
During specific implementation, the heating parts are heating plates 3, the number of the heating plates 3 is three, namely a first heating plate 3-1, a second heating plate 3-2 and a third heating plate 3-3, the first heating plate 3-1 and the second heating plate 3-2 are located on two side faces in the lower vacuum cavity 1-2, the third heating plate 3-3 is located on the bottom face in the lower vacuum cavity 1-2, each heating plate 3 is provided with a temperature sensor, the temperature of the heating plate is monitored, heating effect is better, vacuumizing efficiency is improved, and defoaming effect is better.
In specific implementation, the upper vacuum cavity 1-1 is connected with one end of a first vacuum valve 7-1, the other end of the first vacuum valve 7-1 is connected with one end of a first vacuum pipeline 5-1, the other end of the first vacuum pipeline 5-1 is connected with one end of a first air extraction valve 6-1, the other end of the first air extraction valve 6-1 is connected with a group of vacuum pumps 2, the lower vacuum cavity 1-2 is connected with one end of a second vacuum valve 7-2, the other end of the second vacuum valve 7-2 is connected with one end of a second vacuum pipeline 5-2, the other end of the second vacuum pipeline 5-2 is connected with one end of the second air extraction valve 6-2, the other end of the second air extraction valve 6-2 is connected with another group of vacuum pumps 2, the middle parts of the first vacuum pipeline 5-1 and the second vacuum pipeline 5-2 are connected through a third vacuum pipeline 5-3, and the third vacuum pipeline 5-3 is provided with a ball valve 4 communicated with the upper cavity and the lower cavity. When in use, the equipment adopts a normal vacuumizing mode: a group of vacuum pumps 2 connected with the upper vacuum cavity 1-1 are started, a first air extraction valve 6-1 and a first vacuum valve 7-1 are opened in sequence, the upper vacuum cavity 1-1 is connected with the group of vacuum pumps 2 through a first vacuum pipeline 5-1, and the set target value is achieved through vacuumizing; the lower vacuum chamber 1-2 has the same principle. The two groups of vacuum pumps 2 are used alternately: if one group of vacuum pumps 2 connected with the upper vacuum cavity 1-1 (or the other group of vacuum pumps 2 connected with the lower vacuum cavity 1-2) fails and cannot be used normally, cross vacuum pumping can be performed, the other group of vacuum pumps 2 connected with the lower vacuum cavity 1-2 (or the group of vacuum pumps 2 connected with the upper vacuum cavity 1-1) is opened, the second air suction valve 6-2 (or the first air suction valve 6-1) is opened, the second vacuum valve 7-2 (or the first vacuum valve 7-1) and the first air suction valve 6-1 (or the second air suction valve 6-2) are closed, the upper and lower cavity communicating ball valve 4 is opened, connection between the first vacuum pipeline 5-1 and the second vacuum pipeline 5-2 is realized, the first vacuum valve 7-1 (or the second vacuum valve 7-2) is opened, and the connection between the other group of vacuum pumps 2 connected with the lower vacuum cavity 1-2 (or the group of vacuum pumps 2 connected with the upper vacuum cavity 1-1) and the upper vacuum cavity 1-1 (or the lower vacuum cavity 1-2) is realized through a third vacuum pipeline 5-3, and the vacuum pumping is carried out to reach the set target value.
In the specific embodiment, each vacuum cavity 1 is provided with an observation window on the cavity door, and an illuminating lamp is arranged behind the vacuum cavity 1. The arrangement facilitates the real-time observation of the defoaming condition in the vacuum cavity 1. The utility model provides a liquid crystal deaeration equipment still includes electrical apparatus cabinet control part for realize the electricity of equipment, gas control to realize the function control and the data monitoring of equipment, how to realize is known by the personnel in this field.
Claims (10)
1. The liquid crystal defoaming equipment is characterized by comprising a sealed vacuum cavity (1) consisting of a cavity body and a cavity door, wherein the vacuum cavity (1) is connected with at least one vacuum pump (2), and at least one heating component is arranged in the vacuum cavity (1).
2. The liquid crystal defoaming equipment according to claim 1, wherein the vacuum chamber (1) is a rectangular parallelepiped, two vacuum pumps (2) are connected to the vacuum chamber (1), and the two vacuum pumps (2) are respectively a dry pump and a roots pump.
3. A liquid crystal defoaming apparatus according to claim 2, wherein said heating members are heating plates (3), and there are three heating plates (3), which are respectively a first heating plate (3-1), a second heating plate (3-2) and a third heating plate (3-3), the first heating plate (3-1) and the second heating plate (3-2) are located on two sides of the vacuum chamber (1), and the third heating plate (3-3) is located on the bottom of the vacuum chamber (1).
4. A liquid crystal defoaming apparatus according to claim 1, 2 or 3, wherein the door of the vacuum chamber (1) is equipped with an observation window, and a lighting lamp is arranged at the rear part in the vacuum chamber (1).
5. The liquid crystal defoaming equipment is characterized by comprising two vacuum cavities (1), wherein each vacuum cavity (1) is a sealed vacuum cavity consisting of a cavity body and a cavity door, each vacuum cavity (1) is connected with at least one vacuum pump (2), and at least one heating component is arranged in one vacuum cavity (1).
6. A liquid crystal defoaming apparatus according to claim 5, wherein the vacuum pumps (2) are four, each two vacuum pumps (2) form one group, each vacuum chamber (1) is connected with one group of vacuum pumps (2), and each group of vacuum pumps (2) is composed of a dry pump and a roots pump.
7. A liquid crystal defoaming apparatus according to claim 6, wherein said vacuum chambers (1) are rectangular, one vacuum chamber (1) is called as an upper vacuum chamber (1-1), the other vacuum chamber (1) is called as a lower vacuum chamber (1-2), the upper vacuum chamber (1-1) is placed on top of the lower vacuum chamber (1-2), and said heating element is disposed in the lower vacuum chamber (1-2).
8. The liquid crystal defoaming apparatus according to claim 7, wherein the heating member is a heating plate (3), the number of the heating plate (3) is three, and the first heating plate (3-1), the second heating plate (3-2) and the third heating plate (3-3) are respectively provided, the first heating plate (3-1) and the second heating plate (3-2) are located on two sides of the lower vacuum chamber (1-2), and the third heating plate (3-3) is located on the bottom of the lower vacuum chamber (1-2).
9. The liquid crystal defoaming equipment according to claim 8, wherein the upper vacuum chamber (1-1) is connected with one end of a first vacuum valve (7-1), the other end of the first vacuum valve (7-1) is connected with one end of a first vacuum pipeline (5-1), the other end of the first vacuum pipeline (5-1) is connected with one end of a first suction valve (6-1), and the other end of the first suction valve (6-1) is connected with a group of vacuum pumps (2); the lower vacuum cavity (1-2) is connected with one end of a second vacuum valve (7-2), the other end of the second vacuum valve (7-2) is connected with one end of a second vacuum pipeline (5-2), the other end of the second vacuum pipeline (5-2) is connected with one end of a second air extraction valve (6-2), and the other end of the second air extraction valve (6-2) is connected with the other group of vacuum pumps (2); the middle parts of the first vacuum pipeline (5-1) and the second vacuum pipeline (5-2) are connected through a third vacuum pipeline (5-3), and an upper cavity and a lower cavity communicating ball valve (4) are arranged on the third vacuum pipeline (5-3).
10. A liquid crystal defoaming apparatus according to any one of claims 5-9, wherein the door of each vacuum chamber (1) is provided with a viewing window, and an illuminating lamp is arranged at the rear part in each vacuum chamber (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021349216.6U CN212757371U (en) | 2020-07-10 | 2020-07-10 | Liquid crystal defoaming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021349216.6U CN212757371U (en) | 2020-07-10 | 2020-07-10 | Liquid crystal defoaming equipment |
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| Publication Number | Publication Date |
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| CN212757371U true CN212757371U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021349216.6U Active CN212757371U (en) | 2020-07-10 | 2020-07-10 | Liquid crystal defoaming equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116852842A (en) * | 2023-09-04 | 2023-10-10 | 中电科风华信息装备股份有限公司 | Multi-tray type bubble removing machine |
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2020
- 2020-07-10 CN CN202021349216.6U patent/CN212757371U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116852842A (en) * | 2023-09-04 | 2023-10-10 | 中电科风华信息装备股份有限公司 | Multi-tray type bubble removing machine |
| CN116852842B (en) * | 2023-09-04 | 2023-11-21 | 中电科风华信息装备股份有限公司 | Multi-tray type bubble removing machine |
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