CN214278583U - Vacuum crystal filling device - Google Patents
Vacuum crystal filling device Download PDFInfo
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- CN214278583U CN214278583U CN202023307348.5U CN202023307348U CN214278583U CN 214278583 U CN214278583 U CN 214278583U CN 202023307348 U CN202023307348 U CN 202023307348U CN 214278583 U CN214278583 U CN 214278583U
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- filling
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Abstract
The utility model provides a vacuum crystal filling device, which comprises a cylindrical cavity cover, a liquid crystal box fixing mechanism, a rubber ring, a lower glass substrate and a liquid crystal bearing container; the cylindrical cavity cover is arranged on the lower glass substrate through a rubber ring and forms a closed cavity together with the lower glass substrate; the liquid crystal box fixing mechanism is vertically arranged in the closed cavity, and one end of the liquid crystal box fixing mechanism, which is close to the lower glass substrate, is provided with a clamp for clamping at least one liquid crystal box; the liquid crystal bearing container is arranged on the lower glass substrate and is positioned right below the liquid crystal box clamp; the liquid crystal box fixing mechanism moves along the vertical direction under the action of external force, so that the filling opening of the clamped liquid crystal box moves downwards until the filling opening is completely contacted with liquid crystal in the liquid crystal bearing container or moves upwards until the vertical distance between the filling opening of the liquid crystal box and the liquid crystal bearing container is not less than a preset distance threshold value. The utility model discloses when can carrying out complete evaluation to liquid crystal mixture, reduce the operation degree of difficulty, improve and fill the convenience, shorten when filling.
Description
Technical Field
The utility model relates to a liquid crystal field of filling particularly relates to a brilliant device is irritated in vacuum.
Background
As a key material for a TFT-LCD product, the liquid crystal mixture needs to evaluate various parameters after the liquid crystal is formed into a box in the development and production process.
The infusion of liquid crystal cells for testing is currently generally carried out in two ways: firstly, under the atmospheric pressure environment, only the siphon action is utilized to fill the small-size liquid crystal box, and secondly, the standard liquid crystal box filling machine is adopted to fill the larger-size liquid crystal box by means of the negative pressure brought by vacuum. The two aforementioned ways have certain drawbacks: the former has smaller liquid crystal box size, but only has one or a plurality of pixels and undersize display size although the liquid crystal box has faster perfusion speed and convenient operation, and is difficult to completely evaluate the characteristics of the liquid crystal mixture; the latter can completely evaluate the characteristics of the liquid crystal mixture, but the pouring time is too long, and the operation requirement is high.
Therefore, it is desirable to provide a simple vacuum crystal filling apparatus, which can perform a complete evaluation of the liquid crystal mixture, reduce the operation difficulty, and improve the filling convenience and speed
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims to provide a brilliant device is irritated in vacuum can carry out the complete evaluation and test to the liquid crystal mixture in, reduces the operation degree of difficulty, improves and fills the convenience, shortens when filling.
In order to achieve the above object, the present invention provides a vacuum crystal filling device, which comprises a cylindrical cavity cover, a liquid crystal cell fixing mechanism, a rubber ring, a lower glass substrate and a liquid crystal bearing container;
the lower glass substrate is horizontally placed on the ground; the cylindrical cavity cover is arranged on the lower glass substrate through a rubber ring and forms a closed cavity with the lower glass substrate; the cross section size of the lower glass substrate is larger than that of the cylindrical cavity cover;
a pressure reduction connecting port is formed in the side wall of the cylindrical cavity cover and is used for connecting a vacuum pump, and the vacuum degree in the closed cavity is adjusted under the action of the vacuum pump;
the liquid crystal box fixing mechanism is vertically arranged in the closed cavity, and one end of the liquid crystal box fixing mechanism, which is close to the lower glass substrate, is provided with a clamp for clamping at least one liquid crystal box; the liquid crystal bearing container is placed on the lower glass substrate and is positioned right below the liquid crystal box clamp;
the liquid crystal box fixing mechanism stretches or moves along the vertical direction under the action of external force, so that the filling opening of the clamped liquid crystal box moves downwards to be completely contacted with liquid crystal in the liquid crystal bearing container or moves upwards to the vertical distance between the filling opening of the liquid crystal box and the liquid crystal bearing container, which is not less than a preset distance threshold value.
Furthermore, the diameter of the cylindrical cavity cover ranges from 5cm to 50cm, and the height of the cylindrical cavity cover ranges from 10 cm to 100 cm.
Further, the liquid crystal bearing container adopts a polytetrafluoroethylene disc.
Further, a clamp connecting port is formed in the top of the cylindrical cavity cover; the liquid crystal box fixing mechanism comprises a fixing part, a connecting rod and a clamp;
the fixing part is fixed in the clamp connecting port in a sealing manner and comprises a through hole arranged in the vertical direction of the central area; the connecting rod is provided with a first end part and a second end part along the extending direction, the second end part vertically penetrates through the through hole from the top of the cylindrical cavity cover to extend into the closed cavity, the first end part is reserved above the cylindrical cavity cover, and the clamp is fixed on the second end part of the connecting rod; the connecting rod and the fixing part move relatively along the vertical direction under the action of external force.
Further, the clamp comprises a bearing platform horizontally fixed on the connecting rod and N clamping units distributed on the bearing platform and used for clamping the liquid crystal boxes in a one-to-one correspondence manner, wherein N is a positive integer greater than or equal to 1.
Further, the connecting rod is a glass rod.
Further, a rubber pad is mounted on the inner side of the fixing part.
Further, the filling opening of the liquid crystal box is arranged at one of the top corners.
Furthermore, a plurality of liquid crystal accommodating cavities are arranged in the liquid crystal bearing container, and each liquid crystal accommodating cavity corresponds to one or more filling openings of the liquid crystal boxes.
Furthermore, a groove is formed in the upper surface of the rubber ring, and the size of the groove is matched with that of the side wall of the cylindrical cavity cover.
Above the technical scheme of the utility model, compare with current, its beneficial effect who is showing lies in:
(1) the invention can completely evaluate the liquid crystal mixture, reduce the operation difficulty, improve the perfusion convenience and shorten the perfusion time.
(2) The invention can simultaneously fill a plurality of liquid crystal boxes and a plurality of liquid crystals, thereby improving the filling freedom degree.
It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of the present disclosure unless such concepts are mutually inconsistent. In addition, all combinations of claimed subject matter are considered a part of the inventive subject matter of this disclosure.
The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of the specific embodiments in accordance with the teachings of the present invention.
Drawings
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of the vacuum crystal filling apparatus of the present invention.
Detailed Description
For a better understanding of the technical content of the present invention, specific embodiments are described below in conjunction with the accompanying drawings.
In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily defined to include all aspects of the invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.
Referring to fig. 1, the present invention provides a vacuum crystal filling apparatus, which comprises a cylindrical cavity cover 10, a liquid crystal cell fixing mechanism, a rubber ring 20, a lower glass substrate 40 and a liquid crystal bearing container 30.
The lower glass substrate 40 is horizontally placed on the ground; the cylindrical chamber cover 10 is mounted on the lower glass substrate 40 through the rubber ring 20, and forms a closed chamber with the lower glass substrate 40. The lower glass substrate 40 has a cross-sectional dimension larger than that of the cylindrical chamber cover 10.
The side wall of the cylindrical cavity cover 10 is provided with a pressure reduction connecting port 11 for connecting a vacuum pump, and the vacuum degree in the closed cavity is adjusted under the action of the vacuum pump.
The liquid crystal box fixing mechanism is vertically arranged in the closed cavity, and one end of the liquid crystal box fixing mechanism, which is close to the lower glass substrate 40, is provided with a clamp 63 for clamping at least one liquid crystal box 50; the liquid crystal container 30 is placed on the lower glass substrate 40, and is positioned right below the liquid crystal cell 50 clamp 63.
The liquid crystal box fixing mechanism stretches or moves along the vertical direction under the action of external force, so that the pouring opening of the clamped liquid crystal box 50 moves downwards to be completely contacted with liquid crystal in the liquid crystal bearing container 30 or moves upwards until the vertical distance between the pouring opening of the liquid crystal box 50 and the liquid crystal bearing container 30 is not less than a preset distance threshold.
The process of filling the liquid crystal box 50 by adopting the vacuum crystal filling device comprises the following steps:
and S1, placing the rubber ring 20 on the lower glass substrate 40, and adsorbing the bottom of the rubber ring 20 on the upper surface of the lower glass substrate 40.
S2, the liquid crystal container 30 is placed on the lower glass substrate 40, and the liquid crystal is dropped into the liquid crystal container 30.
And S3, clamping the liquid crystal box 50 to be poured on the clamp 63, wherein the pouring opening faces downwards, and the liquid crystal box fixing mechanism is pulled to the outermost side.
S4, the cylindrical cavity cover 10 is buckled above the rubber ring 20 above the lower glass substrate 40 to form a closed cavity with the lower glass substrate 40, and at the moment, the pouring opening of the liquid crystal box 50 is located a distance above the liquid crystal bearing container 30 and is not in contact with liquid crystal. Preferably, the upper surface of the rubber ring 20 is provided with a groove, and the size of the groove is matched with the size of the side wall of the cylindrical cavity cover 10, so as to improve the sealing performance of the sealed cavity.
And S5, connecting the vacuum pump to the reduced-pressure connecting port 11, and starting to pump vacuum until the vacuum degree reaches and is maintained at the preset vacuum degree threshold value.
S6, moving the liquid crystal box fixing mechanism to vertically drop the liquid crystal box 50 filling opening into the liquid crystal bearing container 30, wherein the liquid crystal box 50 filling opening is completely contacted with the liquid crystal, and the liquid crystal is filled into the liquid crystal box 50 under the action of negative pressure caused by vacuum until the liquid crystal is filled.
S7, the vacuum pump is turned off, and after a certain period of time, the cylindrical chamber cover 10 is removed, thereby completing the filling process of the liquid crystal cell 50.
The diameter of the cylindrical cavity cover ranges from 5cm to 50cm, and the height of the cylindrical cavity cover ranges from 10 cm to 100 cm. The larger the volume of the cylindrical chamber cover 10, the larger the number of sizes of the liquid crystal cells 50 that can be accommodated, but at the same time, the higher the requirements for vacuum maintenance and sealing, and the user can reasonably design the diameter and height of the cylindrical chamber cover 10 according to the liquid crystal to be poured and the relevant parameters of the liquid crystal cells 50. Taking a common TFT-LCD liquid crystal as an example, the diameter D of the cylindrical chamber cover 10 may be set to 15cm, and the height h of the cylindrical chamber cover 10 may be set to 20 cm. Correspondingly, the cartridge may have a volume of 30ml or 100 ml. As for the size of the cartridge, it is only necessary to fit the flange clip.
In order to improve the efficiency of filling the liquid crystal, the liquid crystal container 30 uses a ptfe disk, which reduces the moving resistance between the liquid crystal and the liquid crystal container 30.
In some examples, the top of the cylindrical chamber housing 10 is provided with a clamp connection port; the liquid crystal cell fixing mechanism includes a fixing portion 61, a connecting rod 62, and a clamp 63.
The fixing part 61 is fixed in the clamp connecting port in a sealing manner and comprises a through hole arranged in the vertical direction of the central area; the connecting rod 62 has a first end and a second end along the extending direction, the second end vertically penetrates through the through hole from the top of the cylindrical cavity cover 10 and extends into the closed cavity, the first end is retained above the cylindrical cavity cover 10, and the clamp 63 is fixed on the second end of the connecting rod 62; the connecting rod 62 moves relative to the fixing portion 61 in the vertical direction by an external force. The clamp 63 includes a bearing platform horizontally fixed on the connecting rod 62 and N clamping units distributed on the bearing platform for clamping the liquid crystal cartridges 50 in a one-to-one correspondence manner, where N is a positive integer greater than or equal to 1.
Preferably, the connecting rod 62 is a glass rod, which reduces the moving resistance. More preferably, a rubber pad is attached to the inside of the fixing portion 61 to improve sealing performance.
In other examples, a linear motor may be used to move or extend the connecting rod 62 to more precisely control the distance the clamp 63 moves.
To reduce the infusion contamination, the infusion port of liquid crystal cell 50 may be placed at one of the corners.
Preferably, since the liquid crystal cell 50 is laid down obliquely, a plurality of liquid crystal accommodating cavities may be further disposed in the liquid crystal container 30, each liquid crystal accommodating cavity corresponds to one or more filling openings of the liquid crystal cell 50, and on the basis of only one liquid crystal container 30, filling of a plurality of liquid crystals of the plurality of liquid crystal cells 50 is completed simultaneously. It should be understood that the present application may also be used with a plurality of liquid crystal containers 30 to achieve the filling of a plurality of liquid crystals.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The present invention is intended to cover by those skilled in the art various modifications and adaptations of the invention without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention is subject to the claims.
Claims (10)
1. A vacuum crystal filling device is characterized by comprising a cylindrical cavity cover, a liquid crystal box fixing mechanism, a rubber ring, a lower glass substrate and a liquid crystal bearing container;
the lower glass substrate is horizontally placed on the ground; the cylindrical cavity cover is arranged on the lower glass substrate through a rubber ring and forms a closed cavity with the lower glass substrate; the cross section size of the lower glass substrate is larger than that of the cylindrical cavity cover;
a pressure reduction connecting port is formed in the side wall of the cylindrical cavity cover and is used for connecting a vacuum pump, and the vacuum degree in the closed cavity is adjusted under the action of the vacuum pump;
the liquid crystal box fixing mechanism is vertically arranged in the closed cavity, and one end of the liquid crystal box fixing mechanism, which is close to the lower glass substrate, is provided with a clamp for clamping at least one liquid crystal box; the liquid crystal bearing container is placed on the lower glass substrate and is positioned right below the liquid crystal box clamp;
the liquid crystal box fixing mechanism stretches or moves along the vertical direction under the action of external force, so that the filling opening of the clamped liquid crystal box moves downwards to be completely contacted with liquid crystal in the liquid crystal bearing container or moves upwards to the vertical distance between the filling opening of the liquid crystal box and the liquid crystal bearing container, which is not less than a preset distance threshold value.
2. The vacuum crystal-filling apparatus according to claim 1, wherein the diameter of the cylindrical chamber cover ranges from 5 to 50cm, and the height of the cylindrical chamber cover ranges from 10 to 100 cm.
3. The vacuum crystal-filling apparatus according to claim 1, wherein the liquid crystal container is a teflon disk.
4. The vacuum crystal-filling device of claim 1, wherein a clamp connection port is formed at the top of the cylindrical cavity cover; the liquid crystal box fixing mechanism comprises a fixing part, a connecting rod and a clamp;
the fixing part is fixed in the clamp connecting port in a sealing manner and comprises a through hole arranged in the vertical direction of the central area; the connecting rod is provided with a first end part and a second end part along the extending direction, the second end part vertically penetrates through the through hole from the top of the cylindrical cavity cover to extend into the closed cavity, the first end part is reserved above the cylindrical cavity cover, and the clamp is fixed on the second end part of the connecting rod; the connecting rod and the fixing part move relatively along the vertical direction under the action of external force.
5. The vacuum crystal-filling device of claim 4, wherein the clamp comprises a bearing platform horizontally fixed on the connecting rod and N clamping units distributed on the bearing platform for clamping the liquid crystal boxes in a one-to-one correspondence manner, wherein N is a positive integer greater than or equal to 1.
6. The vacuum crystal-filling apparatus according to claim 4, wherein the connecting rod is a glass rod.
7. The vacuum crystal-filling apparatus according to claim 4, wherein a rubber pad is mounted on the inner side of the fixing portion.
8. The vacuum crystal-filling apparatus according to any one of claims 1 to 7, wherein the filling opening of the liquid crystal cell is disposed at one of the corners.
9. The vacuum crystal-filling device according to claim 8, wherein a plurality of liquid crystal accommodating cavities are arranged in the liquid crystal bearing container, and each liquid crystal accommodating cavity corresponds to one or more filling openings of the liquid crystal boxes.
10. A vacuum crystal-filling apparatus according to any one of claims 1 to 7, wherein the rubber ring has a groove on its upper surface, the size of the groove matching the size of the side wall of the cylindrical chamber cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023307348.5U CN214278583U (en) | 2020-12-30 | 2020-12-30 | Vacuum crystal filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023307348.5U CN214278583U (en) | 2020-12-30 | 2020-12-30 | Vacuum crystal filling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214278583U true CN214278583U (en) | 2021-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023307348.5U Active CN214278583U (en) | 2020-12-30 | 2020-12-30 | Vacuum crystal filling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214278583U (en) |
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- 2020-12-30 CN CN202023307348.5U patent/CN214278583U/en active Active
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Effective date of registration: 20221206 Address after: 401346 Floor 2, Building 3, No. 16, Shigui Avenue, Jieshi Town, Banan District, Chongqing Patentee after: Chongqing hanlang Precision Technology Co.,Ltd. Address before: 8 / F, building 1, science and Technology Innovation Park, Sangtian Island, No.1 Huayun Road, Suzhou Industrial Park, Jiangsu Province Patentee before: HALATION PHOTONICS Corp. |