CN212501253U

CN212501253U - Film sticking device of liquid crystal display

Info

Publication number: CN212501253U
Application number: CN202021303124.4U
Authority: CN
Inventors: 李泽全; 覃尚高
Original assignee: Zhangpu Blue Moon Electronic Technology Co ltd
Current assignee: Zhangpu Blue Moon Electronic Technology Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-02-09
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses a film sticking device of a liquid crystal display, which comprises an operation table, wherein a placing plate is fixed on the upper surface of the operation table, a fixing frame is fixed above the operation table through two groups of supporting plates, a threaded rod is connected in the fixing frame in a rotating way, two groups of thread sleeves are connected on the threaded rod in a threaded way, the thread directions of the thread sleeves are opposite, the bottom of the thread sleeves is connected with an electric push rod through a connecting rod, the bottom end of a piston rod of the electric push rod is connected with a fixing frame, a film covering roller is connected on the fixing frame in a rotating way, a rubber buffer layer is connected on the film covering roller, the threaded rod is driven to rotate through a driving motor, and then the two groups of film covering rollers below are driven to move from the middle part of the film to the two end parts of the film respectively to extrude bubbles, the adhesion tightness between the film and the display is good.

Description

Film sticking device of liquid crystal display

Technical Field

The utility model relates to a LCD technical field specifically is a LCD's pad pasting device.

Background

A liquid crystal display, or LCD, is a display device with an ultra-thin plane, which is composed of a certain number of color or black and white pixels, and is placed in front of a light source or a reflecting surface. The main principle of the liquid crystal display is that the current stimulates the liquid crystal molecules to generate points, lines and surfaces to match with the back lamp tube to form a picture. In order to protect the lcd screen from damage or to expand the display function in daily use, a transparent screen protective film or a functional optical film is required to be attached to the display screen.

The existing liquid crystal display screen film pasting device has the advantages that bubbles exist between the surface of the display screen and the film often in the film pasting process, the attractiveness and the functionality of the display screen are affected, follow-up air bubble removal is often required by workers, bubbles between the film and the display cannot be removed completely by workers, the workload of the workers is increased, the film pasting effect is poor, and the production efficiency of the liquid crystal display screen is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LCD's pad pasting device extrudes the bubble to both sides from the centre during the pad pasting, and the bubble is got rid of thoroughly, and the attached compactness between membrane and the display is good to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a LCD's pad pasting device, includes the operation panel, fixed surface places the board on the operation panel, it has L shape limiting plate to place two sets of apex angles relative on the board, the operation panel top is fixed with fixed frame through two sets of backup pads, fixed frame internal rotation is connected with the threaded rod, threaded connection has two sets of thread bush on the threaded rod, and is two sets of thread bush screw thread opposite direction, the thread bush bottom is connected with electric putter through the connecting rod, electric putter's bottom of the piston rod is connected with the mount, it is connected with the tectorial membrane roller to rotate on the mount, rubber buffer layer has been glued on the tectorial membrane roller, the welding of fixed frame one side has the protection casing, install driving motor in the protection casing, driving motor's output shaft end is connected with.

Preferably, four groups of support legs are arranged at the bottom of the operating platform, and first rubber sleeves are glued to the bottoms of the support legs.

Preferably, the other two groups of top angles on the placing plate are arranged in a chamfer mode.

Preferably, the protective cover is provided with a heat dissipation opening, and a dust filter screen is embedded in the heat dissipation opening.

Preferably, the driving motor is a servo motor.

Preferably, the bilateral symmetry welding has the handle on the operation panel, the rubberizing of handle has connect the second rubber sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

threaded connection has two sets of thread opposite direction's thread bush on the threaded rod, the thread bush bottom is connected with electric putter through the connecting rod, electric putter's piston rod bottom is connected with the mount, it is connected with the tectorial membrane roller to rotate on the mount, it has the rubber buffer layer to connect on the tectorial membrane roller, can provide certain buffering space, strengthen tectorial membrane roller and display upper surface contact's compactness, be convenient for follow-up going on of extrusion operation to the air, can also prevent simultaneously that pressure from too big damage display, it rotates to drive the threaded rod through driving motor, and then drive two sets of tectorial membrane rollers of below and remove to the both ends of membrane respectively from the mid portion of membrane, extrude the bubble between membrane and the display, during this device pad pasting bubble is extruded to both sides from the centre, the bubble is got rid of thoroughly, attached compactness between membrane and the display is.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the placing board of the present invention;

fig. 3 is a side view of the fixing frame of the present invention.

In the figure: 1. an operation table; 2. placing the plate; 3. an L-shaped limiting plate; 4. a support plate; 5. a fixing frame; 6. a threaded rod; 7. a threaded sleeve; 8. an electric push rod; 9. a fixed mount; 10. a film laminating roller; 11. a rubber buffer layer; 12. a protective cover; 13. a drive motor; 14. a support leg; 15. a first rubber sleeve; 16. a heat dissipation port; 17. a handle; 18. and a second rubber sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a film sticking device of a liquid crystal display comprises an operation table 1, wherein four groups of support legs 14 are arranged at the bottom of the operation table 1, first rubber sleeves 15 are glued at the bottoms of the support legs 14, handles 17 are symmetrically welded on two sides of the operation table 1 in order to facilitate carrying of the device, second rubber sleeves 18 are glued on the handles 17, hand grasping friction is increased, a placing plate 2 is fixed on the upper surface of the operation table 1, L-shaped limiting plates 3 are welded on two opposite groups of top angles on the placing plate 2, the height of each L-shaped limiting plate 3 is smaller than the thickness of the display, and the other two groups of top angles on the placing plate 2 are arranged in a chamfer mode, so that the display can be placed and;

a fixed frame 5 is fixed above the operating platform 1 through two groups of supporting plates 4, a threaded rod 6 is rotationally connected in the fixed frame 5, two groups of thread sleeves 7 are in threaded connection on the threaded rod 6, the thread directions of the two groups of thread sleeves 7 are opposite, the bottom of each thread sleeve 7 is connected with an electric push rod 8 through a connecting rod, the bottom end of a piston rod of each electric push rod 8 is connected with a fixed frame 9, a laminating roller 10 is rotationally connected on each fixed frame 9, the length of each laminating roller 10 is larger than the width of a display, a rubber buffer layer 11 is glued on each laminating roller 10, a certain buffer space can be provided, the tightness of the contact between each laminating roller 10 and the upper surface of the display is enhanced, the subsequent extrusion operation of air is facilitated;

the welding of fixed frame 5 one side has protection casing 12, installs driving motor 13 in the protection casing 12, and driving motor 13 is servo motor, for the convenience of motor heat dissipation, has seted up thermovent 16 on protection casing 12 to at thermovent 16 in the embedded dust screen that has established for hinder the entering of dust, driving motor 13's output shaft end is passed through the shaft coupling and is connected with 6 one end of threaded rod.

The working principle is as follows: place on board 2, drive tectorial membrane roller 10 decline and the membrane contact on the display through controlling two sets of electric putter 8, at this moment, start driving motor 13 and drive threaded rod 6 and rotate, two sets of thread bush 7 drive tectorial membrane roller 10 of below respectively and remove from the intermediate part of membrane to the both ends of membrane, extrude the bubble between membrane and the display, accomplish the pad pasting operation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pad pasting device of LCD, includes operation panel (1), its characterized in that: the automatic laminating machine is characterized in that a placing plate (2) is fixed on the upper surface of an operating platform (1), L-shaped limiting plates (3) are welded on two groups of opposite vertex angles of the placing plate (2), a fixing frame (5) is fixed above the operating platform (1) through two groups of supporting plates (4), a threaded rod (6) is connected in the fixing frame (5) in a rotating mode, two groups of threaded sleeves (7) are connected on the threaded rod (6) in a threaded mode, the thread directions of the threaded sleeves (7) are opposite, the bottom of each threaded sleeve (7) is connected with an electric push rod (8) through a connecting rod, the bottom end of a piston rod of each electric push rod (8) is connected with a fixing frame (9), a laminating roller (10) is connected on the fixing frame (9) in a rotating mode, a rubber buffer layer (11) is connected on the laminating roller (10), a protective cover (12), the tail end of an output shaft of the driving motor (13) is connected with one end of the threaded rod (6) through a coupler.

2. The film-attaching device of a liquid crystal display according to claim 1, wherein: four groups of support legs (14) are arranged at the bottom of the operating platform (1), and first rubber sleeves (15) are glued to the bottoms of the support legs (14).

3. The film-attaching device of a liquid crystal display according to claim 1, wherein: the other two groups of top angles on the placing plate (2) are arranged in a chamfer way.

4. The film-attaching device of a liquid crystal display according to claim 1, wherein: a heat dissipation opening (16) is formed in the protective cover (12), and a dust filtering net is embedded in the heat dissipation opening (16).

5. The film-attaching device of a liquid crystal display according to claim 1, wherein: the driving motor (13) is a servo motor.

6. The film-attaching device of a liquid crystal display according to claim 1, wherein: handles (17) are symmetrically welded on two sides of the operating platform (1), and a second rubber sleeve (18) is glued on the handles (17).