CN215494465U

CN215494465U - LCD sealing device

Info

Publication number: CN215494465U
Application number: CN202120806475.5U
Authority: CN
Inventors: 赵子义; 吴统军
Original assignee: Sichuan Leshida Electronic Technology Co Ltd
Current assignee: Sichuan Leshida Electronic Technology Co Ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2022-01-11
Anticipated expiration: 2031-04-19

Abstract

The utility model relates to the technical field of LCD sealing, and provides an LCD sealing device which comprises an upper conveying seat and a lower conveying seat which are arranged up and down, wherein the lower conveying seat extends to form a lower object placing seat along the tail end of the conveying direction, the top of the lower object placing seat is fixedly connected with a sealing box, the sealing box is provided with an opening, the upper conveying seat extends to form an upper object placing seat along the tail end of the conveying direction, the upper object placing seat penetrates through the opening to enter the sealing box, and a sealing assembly for pressing an upper glass substrate and a lower glass substrate is arranged in the sealing box. The utility model aims to solve the problems of low operation efficiency and complicated operation process of the existing conveying channel. The utility model has reasonable design, improves the structure of the conveying channel in the existing LCD manufacturing process, and enables the upper glass substrate and the lower glass substrate to be transported to be placed in the same workshop station, thereby greatly improving the production efficiency of the LCD manufacturing process.

Description

LCD sealing device

Technical Field

The utility model relates to the technical field of LCD (liquid crystal display) sealing, in particular to an LCD sealing device.

Background

A Liquid Crystal Display (LCD) is a flat thin display device, which consists of a certain number of color or black and white pixels, and is placed in front of a light source or the back side. The display principle of the lcd is that, without applying voltage, light rays will go along the gaps of the liquid crystal molecules and turn 90 degrees, so that light can pass through, but after applying voltage, light goes straight along the gaps of the liquid crystal molecules, so that light is blocked by the filter.

In the LCD manufacturing process, a liquid crystal cell is formed between parallel upper and lower glass substrates, and the formation of the liquid crystal cell has an important influence on the display quality of the liquid crystal panel, and particularly, it is important to control the distance between two sheets of glass, which form the liquid crystal cell and are used to fill the liquid crystal, and the thickness of the liquid crystal cell. In the existing LCD manufacturing process, a color filter is required to be arranged on an upper glass substrate at different stations, a TFT (thin film transistor) is required to be arranged on a lower glass substrate, a glue sealing frame is sprayed, a crystal filling opening is reserved on the glue sealing frame, after the lower glass substrate and the upper glass substrate are pressed and covered, a worker can fill liquid crystal materials from the crystal filling opening, and then the crystal filling opening is sealed. However, the process of processing the lower glass substrate and the upper glass substrate is separately operated at different workshop stations, and then the upper glass substrate and the lower glass substrate are conveyed from different workshop stations to the same workshop station through two conveying channels for pressing and covering; therefore, the structure of the conveying channel in the existing LCD manufacturing process is improved, and the problems that the operation efficiency of the existing conveying channel is low and the operation process is complicated are solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an LCD sealing device, which aims to solve the problems of low operation efficiency and complicated operation process of the existing conveying channel.

The embodiment of the utility model is realized by the following technical scheme:

the utility model provides a LCD closing device, is including the last transmission seat and the lower transmission seat that set up from top to bottom, and this lower transmission seat has lower thing seat along the terminal extension of direction of transfer, and the top fixedly connected with of this lower thing seat seals the case, and this seals the case and is provided with the opening, and this last transmission seat has upper thing seat along the terminal extension of direction of transfer, and this upper thing seat passes this opening and enters into this and seals the incasement, should seal the incasement and be provided with the subassembly that seals that is used for to last glass substrate and lower glass substrate pressfitting.

Further, this seal subassembly includes the fixing base, and the concave fixed slot that is used for fixed glass substrate that is equipped with in top of this fixing base, the bottom fixed connection of this fixing base have the connecting rod that the level set up, and the one end bottom that this fixing base was kept away from to this connecting rod is rotated and is connected with telescopic cylinder.

Furthermore, a fixing plate is connected in the fixing groove in a sliding mode, a threaded hole penetrates through one side wall of the fixing groove, a bolt is connected in the threaded hole in a threaded mode, and one end of the bolt located in the fixing groove is connected to the fixing plate in a rotating mode.

Further, the rotating end of the bolt is arranged in the middle of the fixing plate.

Furthermore, one end of the connecting rod is fixedly connected to the bottom of the fixing seat through the mounting table, and the other end of the connecting rod is rotatably connected to the telescopic cylinder through a bearing.

Furthermore, an upper conveying channel is arranged in the upper conveying seat, an upper conveying shaft is rotationally connected in the upper conveying channel, and a plurality of upper conveying wheels are sleeved on the upper conveying shaft; a lower conveying channel is arranged in the lower conveying seat, a lower conveying shaft is rotatably connected in the lower conveying channel, and a plurality of lower conveying wheels are sleeved on the lower conveying shaft.

Furthermore, a plurality of support columns are fixedly connected between the upper conveying seat and the lower conveying seat.

The technical scheme of the embodiment of the utility model at least has the following advantages and beneficial effects:

the utility model has reasonable design, improves the structure of the conveying channel in the existing LCD manufacturing process, skillfully sets the two conveying channels positioned at different workshop stations into an up-down structure, so that the upper glass substrate and the lower glass substrate are conveyed and placed in the same workshop station, the operation of different workshop stations does not exist, and the operation is carried out in the same workshop station, thus greatly improving the production efficiency of the LCD manufacturing process; and the LCD manufacturing process can be simplified, and the efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an LCD sealing device according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 4 is a rear view of an LCD sealing device according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a pressing upper glass substrate and a pressing lower glass substrate in an LCD sealing device according to an embodiment of the present invention;

icon: 1-upper conveying seat, 11-upper placing seat, 12-upper conveying shaft, 13-upper conveying wheel, 2-lower conveying seat, 21-lower placing seat, 212-pressing ring groove, 22-lower conveying shaft, 23-lower conveying wheel, 3-sealing box, 31-opening, 41-fixing seat, 42-fixing groove, 421-fixing plate, 422-bolt, 43-connecting rod, 431-mounting table, 432-bearing, 44-telescopic cylinder, 5-supporting column, 6-upper glass substrate and 7-lower glass substrate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of 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 present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element which is referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, the present embodiment provides an LCD sealing apparatus, including an upper transfer base 1 for transferring an upper glass substrate 6 and a lower transfer base 2 for transferring a lower glass substrate 7, wherein the upper transfer base 1 is disposed above the lower transfer base 2.

The lower conveying seat 2 extends along the tail end of the conveying direction to form a lower object placing seat 21, the top of the lower object placing seat 21 is fixedly connected with a sealing box 3, the sealing box 3 is provided with an opening 31, the upper conveying seat 1 extends along the tail end of the conveying direction to form an upper object placing seat 11, the upper object placing seat 11 penetrates through the opening 31 to enter the sealing box 3, and a sealing assembly for pressing the upper glass substrate 6 and the lower glass substrate 7 is arranged in the sealing box 3.

In this embodiment, when the LCD sealing device of the present invention is used, a worker first cleans the upper glass substrate 6 and the lower glass substrate 7 with a cleaning agent and ultra-dust water, coats the organic material on the upper glass substrate 6 and the lower glass substrate 7, respectively, to form an alignment film (PI), rubs the upper glass substrate 6 and the lower glass substrate 7 along a specific direction with a roller coated with chemical fiber or pure cotton flannel, respectively, seals and coats a sealing frame on the lower glass substrate 7, and drips (ODF) liquid crystal molecules in the sealing frame. Then, the worker places the upper glass substrate 6 on the upper transfer stage 1, places the lower glass substrate 7 on the upper transfer stage 1, transfers the upper glass substrate 6 to the upper tray 11, and transfers the lower glass substrate 7 to the lower tray 21. Then, the staff sets up seal box 3 to the vacuum environment, and reuse seal assembly carries out the pressfitting to last glass substrate 6 and lower glass substrate 7 under the vacuum environment, forms the liquid crystal cell.

Therefore, the structure of the conveying channel in the existing LCD manufacturing process is improved, the two conveying channels positioned at different workshop stations are skillfully arranged to be of an upper structure and a lower structure, so that the upper glass substrate 6 and the lower glass substrate 7 are conveyed to be positioned in the same workshop station, the operation of different workshop stations does not exist, the operation is carried out in the same workshop station, and the production efficiency of the LCD manufacturing process can be greatly improved; and the LCD manufacturing process can be simplified, and the efficiency is improved.

In the present invention, the sealing assembly includes a fixed base 41, a fixed groove 42 for fixing the upper glass substrate 6 is concavely provided on the top of the fixed base 41, a horizontally arranged connecting rod 43 is fixedly connected to the bottom of the fixed base 41, and a telescopic cylinder 44 is rotatably connected to the bottom of one end of the connecting rod 43 far away from the fixed base 41. A fixing plate 421 is slidably connected in the fixing groove 42, a threaded hole is formed through a side wall of the fixing groove 42, a bolt 422 is connected in the threaded hole, and one end of the bolt 422 located in the fixing groove 42 is rotatably connected to the fixing plate 421. Specifically, the rotation end of the bolt 422 is disposed at the middle of the fixing plate 421. It should be noted that one end of the connecting rod 43 is fixedly connected to the bottom of the fixed base 41 through a mounting platform 431, and the other end of the connecting rod 43 is rotatably connected to the telescopic cylinder 44 through a bearing 432. It should be noted that, after the upper glass substrate 6 is transported to the upper object placing seat 11 by the upper transporting seat 1 and the lower glass substrate 7 is transported to the lower object placing seat 21 by the lower transporting seat 2, the worker can place the upper glass substrate 6 in the fixing groove 42, then rotate the bolt 422, and by means of screw transmission, the upper glass substrate 6 is clamped in the fixing groove 42 by the fixing plate 421 sliding; then, the connecting rod 43 is electrically rotated to make the fixing groove 42 of the fixing seat 41 face downwards, and the lower glass substrate 7 is placed right below the upper glass substrate 6 to align the upper glass substrate 6 and the lower glass substrate 7; and then the telescopic cylinder 44 is started to drive the fixing seat 41 to move downwards, so that the upper glass substrate 6 and the lower glass substrate 7 are pressed together. Therefore, the structure of the existing sealing frame is improved, the sealing frame is firstly sealed and coated on the lower glass substrate 7, liquid crystal molecules (ODF) are instilled in the sealing frame, then the upper glass substrate 6 and the lower glass substrate 7 are pressed together, the upper glass substrate 6 is used for sealing the crystal filling opening of the sealing frame, no additional colloid material is needed for sealing the crystal filling opening, the manufacturing process flow of the LCD is simplified, and the working efficiency is further improved. In some embodiments, the pressing ring groove 212 is recessed in the top of the lower object placing seat 21, and the pressing ring groove 212 is used to prevent the related parts of the sealing assembly from interfering with the lower object placing seat 21 when the upper glass substrate 6 and the lower glass substrate 7 are pressed together, which may result in a pressing failure.

More optimally, an upper conveying channel is arranged in the upper conveying seat 1, an upper conveying shaft 12 is rotationally connected in the upper conveying channel, and a plurality of upper conveying wheels 13 are sleeved on the upper conveying shaft 12; a lower conveying channel is arranged in the lower conveying base 2, a lower conveying shaft 22 is rotatably connected in the lower conveying channel, and a plurality of lower conveying wheels 23 are sleeved on the lower conveying shaft 22. Wherein, a plurality of supporting columns 5 are fixedly connected between the upper conveying seat 1 and the lower conveying seat 2. In the present invention, the upper transfer wheel 13 and the lower transfer wheel 23 are used to transport the upper glass substrate 6 and the lower glass substrate 7, respectively, thereby improving the efficiency of transportation.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a LCD closing device, is including the last transmission seat and the lower transmission seat that set up from top to bottom, its characterized in that: the lower conveying seat extends along the tail end of the conveying direction to form a lower object placing seat, the top of the lower object placing seat is fixedly connected with a sealing box, the sealing box is provided with an opening, the upper conveying seat extends along the tail end of the conveying direction to form an upper object placing seat, the upper object placing seat penetrates through the opening to enter the sealing box, and a sealing assembly used for pressing an upper glass substrate and a lower glass substrate is arranged in the sealing box.

2. An LCD sealing device according to claim 1, wherein: this seal subassembly includes the fixing base, and the concave fixed slot that is used for fixed glass substrate that is equipped with in top of this fixing base, the bottom fixed connection of this fixing base have the connecting rod that the level set up, and the one end bottom that this fixing base was kept away from to this connecting rod is rotated and is connected with telescopic cylinder.

3. An LCD sealing device according to claim 2, wherein: sliding connection has the fixed plate in this fixed slot, and a lateral wall of this fixed slot runs through and is provided with the screw hole, and this screw hole female connection has the bolt, and the one end that is located this bolt of fixed slot rotates to be connected in this fixed plate.

4. An LCD sealing device according to claim 3, wherein: the rotating end of the bolt is arranged in the middle of the fixing plate.

5. An LCD sealing device according to claim 2, wherein: one end of the connecting rod is fixedly connected to the bottom of the fixing seat through the mounting table, and the other end of the connecting rod is rotatably connected to the telescopic cylinder through a bearing.

6. An LCD sealing device according to any one of claims 1 to 5, characterized in that: an upper conveying channel is arranged in the upper conveying seat, an upper conveying shaft is rotatably connected in the upper conveying channel, and a plurality of upper conveying wheels are sleeved on the upper conveying shaft; a lower conveying channel is arranged in the lower conveying seat, a lower conveying shaft is rotatably connected in the lower conveying channel, and a plurality of lower conveying wheels are sleeved on the lower conveying shaft.

7. An LCD sealing device according to claim 6, wherein: a plurality of support columns are fixedly connected between the upper conveying seat and the lower conveying seat.