CN213468442U

CN213468442U - Gluing device

Info

Publication number: CN213468442U
Application number: CN202021304921.4U
Authority: CN
Inventors: 胡鹏; 史伟华; 闫冬成; 张占永; 闫秀涛
Original assignee: Dongxu Optoelectronic Technology Co Ltd
Current assignee: Dongxu Optoelectronic Technology Co Ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-06-18
Anticipated expiration: 2030-07-06

Abstract

The utility model discloses a gluing device, which comprises a workbench (10), a movable frame (20), a driving piece and a gluing head (30); the workbench (10) is used for placing a glass substrate S to be glued; the moving frame (20) is arranged above the workbench (10), and the moving frame (20) can move along a first direction under the driving of the driving piece, wherein the first direction is parallel to the length direction of the glass substrate S; the gluing head (30) is arranged on the moving frame (20) and can move along the first direction along with the moving frame (20), the gluing head (30) comprises a glue outlet (31) extending along a second direction, and the second direction is parallel to the width direction of the glass substrate S. The utility model discloses a rubber coating device can high-efficient and rubber coating uniformly, has improved the production efficiency of glass substrate stack.

Description

Gluing device

Technical Field

The utility model relates to a rubber coating equipment technical field specifically relates to a rubber coating device.

Background

In the field of liquid crystal display devices (LCDs), organic flexible display devices (OLEDs), and portable display devices, weight reduction and thickness reduction of display devices are important trends.

In order to cope with this trend, it is desired to further reduce the thickness of a glass substrate used for a display device. However, the use of a glass substrate having a small thickness (hereinafter also referred to as "thin glass substrate") has failed in the conventional apparatus and manufacturing process. Therefore, it is necessary to laminate a thin glass substrate and another support glass substrate to form a laminate, and in the laminate state, the thin glass substrate and the support glass substrate are separated after being processed by a process for manufacturing a display device.

The thin glass substrate and the supporting glass substrate are laminated by a silicone resin adhesive to form a laminate, and such a laminate can be produced by pressure bonding by rolling or pressing, or by a vacuum lamination method or a vacuum press method. But the gluing equipment in the prior art can not uniformly coat the organic silicon resin glue on the glass substrate with high efficiency, which leads to low production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the problem that prior art exists, providing a rubber coating device, this rubber coating device can high-efficient and rubber coating uniformly, has improved the production efficiency of glass substrate stack.

In order to achieve the above object, the utility model provides a gluing device, which comprises a workbench, a movable frame, a driving piece and a gluing head; the workbench is used for placing a glass substrate S to be glued; the moving frame is arranged above the workbench and can move along a first direction under the driving of the driving piece, and the first direction is parallel to the length direction of the glass substrate S; the gluing head is arranged on the moving frame and can move along the first direction along with the moving frame, the gluing head comprises a glue outlet extending along a second direction, and the second direction is parallel to the width direction of the glass substrate S.

Optionally, a mixing chamber is arranged inside the gluing head, the glue outlet is communicated with the mixing chamber, the gluing head is provided with a gas inlet and a colloid inlet which are communicated with the mixing chamber, the gas inlet is used for introducing gas, the colloid inlet is used for introducing colloid, and the gas and the colloid are mixed in the mixing chamber to form two fluids and are sprayed out from the glue outlet.

Optionally, the glue spreading device comprises an air supply pipeline and a glue supply pipeline; one end of the gas supply pipeline is connected with a gas source, and the other end of the gas supply pipeline is connected with the gas inlet; one end of the glue supply pipeline is connected with the glue source, and the other end of the glue supply pipeline is connected with the glue inlet.

Optionally, the gluing device includes an air supply valve and a glue supply valve, the air supply valve is installed on the air supply pipeline, and the glue supply valve is installed on the glue supply pipeline.

Optionally, the glue spreading device comprises a first controller for controlling the opening degree of the air supply valve and/or the glue supply valve.

Optionally, the width of the glue outlet is 0.06-0.1 mm.

Optionally, the glue outlet is of a venturi structure.

Optionally, the gluing device includes a slide rail disposed above the working table and extending along the first direction, and the moving frame is mounted on the slide rail so as to be capable of moving along the slide rail.

Optionally, the gluing device includes two mounting bases disposed on two sides of the workbench along the first direction, the number of the slide rails is two, the two slide rails are disposed on the two mounting bases respectively, the movable frame extends along the second direction and is disposed on the two slide rails respectively, and two ends of the movable frame are mounted on the two slide rails respectively.

Optionally, the gluing device comprises a second controller capable of adjusting the moving speed of the moving frame by controlling the operation of the driving member.

Through the technical scheme, the movable frame is arranged above the workbench, the movable frame can move in the first direction under the driving of the driving piece, the gluing head is arranged on the movable frame and can follow the movable frame to move in the first direction, the gluing head comprises a glue outlet extending and arranged in the second direction, and the second direction is parallel to the width direction of the glass substrate S. Because the second direction with first direction mutually perpendicular, consequently, when remove the frame area the gluing head is followed when first direction removes, it is coated with threadlike form to be different from colloid among the prior art, the utility model discloses a mixed glue solution then is coated with the form of face form on the glass substrate S, and this makes the rubber coating work both high-efficient even again to the production efficiency of glass substrate laminate has been improved.

Drawings

FIG. 1 is a front view of one embodiment of a glue applicator of the present invention;

FIG. 2 is a side view of one embodiment of a glue applicator of the present invention;

fig. 3 is a schematic structural diagram of a gluing head of the gluing device of the present invention.

Description of the reference numerals

10-workbench, 20-moving frame, 30-gluing head, 31-glue outlet, 32-mixing chamber, 40-air supply pipeline, 41-air supply valve, 50-glue supply pipeline, 51-glue supply valve, 60-slide rail, 70-mounting base and S-glass substrate

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

Conventionally, a laminate is formed by laminating a thin glass substrate and a support glass substrate with a silicone resin adhesive, and such a laminate can be produced by pressure bonding by rolling or pressing, or by a vacuum lamination method or a vacuum press method. But the gluing equipment in the prior art can not uniformly coat the organic silicon resin glue on the glass substrate with high efficiency, which leads to low production efficiency. Therefore, the utility model provides a rubber coating device to solve the problem that prior art exists.

As shown in fig. 1 to 3, the glue spreading device of the present invention includes a work table 10, a moving frame 20, a driving member, and a glue spreading head 30; the workbench 10 is used for placing a glass substrate S to be glued; the moving frame 20 is disposed above the worktable 10, and the moving frame 20 is driven by the driving member to move along a first direction parallel to the length direction of the glass substrate S; the glue applying head 30 is disposed on the movable frame 20 to be capable of moving along the first direction along with the movable frame 20, and the glue applying head 30 includes a glue outlet 31 extending along a second direction, where the second direction is parallel to the width direction of the glass substrate S.

The utility model discloses in, because the second direction with first direction mutually perpendicular, consequently, work as remove frame 20 area the gluing head 30 is followed during the first direction removes, it is coated with threadlike form to be different from colloid among the prior art, the utility model discloses a mixed glue solution then is with the form coating of face form on the glass substrate S, this makes the rubber coating work not only high-efficient but also even to the production efficiency of glass substrate laminate has been improved.

In the prior art, liquid colloid directly flows out from the colloid outlet, and the colloid has strong fluidity, so that the colloid can be diffused to the periphery uncontrollably, and the problem that some local colloids are accumulated and some local colloids are too little is caused, thereby causing the quality of the glass substrate laminated body to be low. In order to solve the problem, in an embodiment of the present invention, the glue applying head 30 has a mixing chamber 32 inside, the glue outlet 31 is communicated with the mixing chamber 32, the glue applying head 30 is provided with a gas inlet and a glue inlet which are communicated with the mixing chamber 32, the gas inlet is used for introducing gas, the glue inlet is used for introducing glue, and the gas and the glue are mixed in the mixing chamber 32 to form two fluids and are sprayed out from the glue outlet 31. Because the high-pressure gas and the liquid glue are fully mixed in the mixing cavity 32, the formed two fluids can be ejected from the glue outlet 31 in a high-speed mode, and the two fluids coated on the glass substrate S are not easy to diffuse, so that the problem of uneven coating is avoided.

Specifically, the glue spreading device comprises a gas supply pipeline 40 and a glue supply pipeline 50; one end of the gas supply pipeline 40 is connected with a gas source, and the other end of the gas supply pipeline is connected with the gas inlet; one end of the glue supply pipeline 50 is connected with the glue source, and the other end is connected with the glue inlet. It should be understood that the air supply line 40 and the glue supply line 50 may be made of a variety of materials, such as rubber, carbon steel, stainless steel, and the like.

In order to better control the mixing ratio of the gas and the glue in the mixing chamber 32, in an embodiment of the present invention, the glue applying device includes a gas supply valve 41 and a glue supply valve 51, the gas supply valve 41 is installed on the gas supply line 40, and the glue supply valve 51 is installed on the glue supply line 50. The flow of the gas and the colloid can be controlled by controlling the opening degrees of the gas supply valve 41 and the colloid supply valve 51, so that the purpose of controlling the mixing ratio of the gas and the colloid is achieved, and different process requirements are met.

On the other hand, the two fluids in the mixing chamber 32 are driven by the high-pressure gas provided by the air supply line 40 to be ejected from the glue outlet 31, so that the purpose of adjusting the glue outlet amount can be achieved as long as the high-pressure gas flow of the air supply line 40 can be adjusted or the glue flow in the glue supply line 50 can be adjusted, for this reason, in an embodiment of the present invention, the glue coating apparatus includes a first controller for controlling the opening degree of the air supply valve 41 and the glue supply valve 51, and the first controller changes the opening degree of the air supply valve 41 and the glue supply valve 51, so that not only the ratio of the gas and the glue can be adjusted, but also the glue outlet amount can be adjusted.

In the above embodiment, the glue applying head 30 is long, in order to better control the glue discharging amount and prevent the discharged two fluids from being too much or too little, optionally, the width of the glue outlet 31 is 0.06-0.1 mm, that is, the glue outlet 31 is a long slit with a width of 0.06-0.1 mm.

In order to make the precision of coating higher to can effectively reduce the thickness of glued membrane and improve and glue the material rate of utilization, the utility model discloses an embodiment, go out jiao kou 31 and be the venturi structure, the venturi structure can make two fluids disperse more evenly, thereby can carry out the coating of thin coating glue film.

It should be understood that the driving member may take various forms, for example, the driving member may be a linear module, and the moving frame 20 is coupled to a slider of the linear module to perform a movement.

In order to make the moving action of the moving frame 20 more stable, thereby improving the coating quality of the glue, in an embodiment of the present invention, the glue coating device includes a slide rail 60 disposed above the working table 10 and extending along the first direction, and the moving frame 20 is mounted on the slide rail 60 so as to be capable of moving along the slide rail 60.

Specifically, the gluing device further includes two mounting bases 70 disposed on two sides of the workbench 10 along the first direction, the number of the slide rails 60 is two, the two slide rails 60 are disposed on the two mounting bases 70, respectively, the moving frame 20 extends along the second direction, and two ends of the moving frame are mounted on the two slide rails 60, respectively.

Of course, the number and arrangement of the mounting bases 70 may be selected as long as they can stably support the slide rails 60.

In order to adjust the thickness and uniformity of the surface glue layer of the glass substrate S to achieve the desired effect, the gluing device may optionally include a second controller capable of adjusting the moving speed of the moving frame 20 by controlling the operation of the driving member. That is, the thickness and uniformity of the surface paste layer of the glass substrate S are adjusted by controlling the moving speed of the paste application head 30.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. In the technical idea scope of the present invention, it is possible to provide a solution of the present invention with a plurality of simple modifications to avoid unnecessary repetition, and the present invention is not described separately for various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. The gluing device is characterized by comprising a workbench (10), a moving frame (20), a driving piece and a gluing head (30);

the workbench (10) is used for placing a glass substrate S to be glued;

the moving frame (20) is arranged above the workbench (10), and the moving frame (20) can move along a first direction under the driving of the driving piece, wherein the first direction is parallel to the length direction of the glass substrate S;

the gluing head (30) is arranged on the moving frame (20) and can move along the first direction along with the moving frame (20), and the gluing head (30) comprises a glue outlet (31) extending along a second direction, wherein the second direction is parallel to the width direction of the glass substrate S;

scribble gluey head (30) inside mixing chamber (32) that has, go out gluey mouth (31) with mixing chamber (32) intercommunication, scribble gluey head (30) seted up with gas inlet and colloid entry of mixing chamber (32) intercommunication, gas inlet is used for leading-in gas, the colloid entry is used for leading-in colloid, gas with the colloid is in mix formation two fluids in mixing chamber (32) and follow go out gluey mouth (31) blowout.

2. Gluing device according to claim 1, characterised in that it comprises an air supply line (40) and a glue supply line (50); one end of the gas supply pipeline (40) is connected with a gas source, and the other end of the gas supply pipeline is connected with the gas inlet; one end of the glue supply pipeline (50) is connected with the glue source, and the other end of the glue supply pipeline is connected with the glue inlet.

3. Gluing device according to claim 2, characterised in that it comprises an air supply valve (41) and a glue supply valve (51), the air supply valve (41) being mounted on the air supply line (40) and the glue supply valve (51) being mounted on the glue supply line (50).

4. Gluing device according to claim 3, characterised in that it comprises a first controller for controlling the opening of the air supply valve (41) and/or the glue supply valve (51).

5. Gluing device according to claim 1, characterised in that the width of the glue outlet (31) is 0.06-0.1 mm.

6. Gluing device according to claim 1, characterised in that said glue outlet (31) presents a venturi structure.

7. Gluing device according to claim 1, characterised in that it comprises a sliding rail (60) arranged above the worktable (10) and extending along the first direction, the mobile frame (20) being mounted to the sliding rail (60) so as to be movable along the sliding rail (60).

8. Gluing device according to claim 7, characterised in that it comprises two mounting bases (70) arranged on either side of said worktable (10) along said first direction, said sliding tracks (60) being two in number, said two sliding tracks (60) being arranged respectively on said two mounting bases (70), said mobile carriage (20) being arranged extending along said second direction and being mounted at both ends respectively on said two sliding tracks (60).

9. Gluing device according to any one of claims 1 to 8, characterised in that it comprises a second controller able to regulate the speed of movement of the mobile frame (20) by controlling the operation of the driving member.