CN218630439U

CN218630439U - Liquid crystal display pastes dress of being shaded and surveys anchor clamps

Info

Publication number: CN218630439U
Application number: CN202222196197.3U
Authority: CN
Inventors: 滕云
Original assignee: Dalian Eastern Display Co ltd
Current assignee: Dalian Eastern Display Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2023-03-14
Anticipated expiration: 2032-08-22

Abstract

A liquid crystal screen backlight assembling and testing clamp comprises a bottom plate, a pulling plate and a pressing plate, wherein a groove-shaped backlight placing area is arranged at the front part of a bottom plate base body, penetrating grooves are formed in two sides of the backlight placing area, glass positioning blocks are arranged at four corners of the outer side of the backlight placing area at the upper part of the bottom plate base body, a pulling plate assembling area is arranged in the middle of the rear side of the bottom plate base body, and spring mounting columns are arranged on the pulling plate assembling area; the pull plate main body is arranged in the pull plate assembly area, one end of the fixed spring is connected with the spring mounting column, the other end of the fixed spring is connected with the pull plate main body, a metal electrode is arranged at the front end of the pull plate main body, and the metal electrode is connected with a power supply line; the pressing plate main body is arranged on the upper side of the pulling plate and is fixed on the base body of the bottom plate. The utility model discloses a dress that LCD screen subsides is shaded examines anchor clamps, for a LCD screen adds the module in a poor light and installs and test the auxiliary device of inspection, supplementary through the device, high-efficient installation laminating to whether supplementary defect in judgement outward appearance surpasses the check standard, improves production efficiency and judges the accuracy.

Description

Liquid crystal display pastes dress of being shaded and surveys anchor clamps

Technical Field

The utility model relates to a liquid crystal display technology field.

Background

The liquid crystal display is attached to a backlight plate, which is a common module structure. A double-faced adhesive tape frame is pasted on the surface of the backlight plate, proper pressure is applied to the glass screen to enable the glass screen to be pasted on the backlight, the pasting position of the glass screen is centered with the backlight plate, and the backlight light emitting area is guaranteed to be matched with the vision field position of the liquid crystal screen. Meanwhile, detection before and after assembly is an important process in the production process, including checking whether the backlight works normally, checking whether impurities such as black points, white points, lines and the like exist in the appearance, and the size and the number of the appearance elements are in accordance with factory inspection standards of enterprises. The positioning precision cannot be guaranteed by pure manual assembly, and the backlight is expected to be simple and easy to operate when being electrified.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned problem that the LCD screen laminating board in a poor light exists, the utility model provides a dress that LCD screen laminating is shaded examines anchor clamps.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a liquid crystal screen backlight assembling and testing clamp comprises a bottom plate, a pulling plate and a pressing plate, wherein a groove-shaped backlight placing area 2-2 is arranged at the front part of a bottom plate base body 2-1, penetrating grooves 2-3 are formed in two sides of the backlight placing area 2-2, glass positioning blocks 2-4 are arranged at four corners of the upper part of the bottom plate base body 2-1, which are positioned at the outer side of the backlight placing area 2-2, a pulling plate assembling area 2-6 is arranged in the middle of the rear side of the bottom plate base body 2-1, and spring mounting columns 2-9 are arranged on the pulling plate assembling area 2-6; the pull plate main body 3-1 is arranged in a pull plate assembly area 2-6, one end of a fixed spring 3-5 is connected with a spring mounting column 2-9, the other end of the fixed spring 3-5 is connected with the pull plate main body 3-1, a metal electrode 3-3 is arranged at the front end of the pull plate main body 3-1, and the metal electrode 3-3 is connected with a power supply line 3-4; the pressing plate main body 4-1 is arranged on the upper side of the pulling plate and is fixed on the base plate 2-1.

The front side of the pull plate assembly area 2-6 is provided with a convex first pull plate limit 2-7, and the rear side of the pull plate assembly area 2-6 on the base plate base body 2-1 is provided with a second pull plate limit 2-8.

And wiring openings 2-10 are formed in the base plate 2-1 at two sides of the pulling plate assembly area 2-6.

And foam 11 is arranged on the inner wall of the back side of the backlight placement area 2-2.

The bottom of the base plate 2-1 is provided with a support leg 13, and the front part of the base plate 2-1 is provided with a buckle 2-5.

An opening 3-2 is formed in the middle of the front end of the pulling plate main body 3-1, and a handle opening 3-6 is formed in the rear portion of the pulling plate main body 3-1.

The pressing plate main body 4-1 is fixed in pressing plate fixing holes 2-12 on two sides of the base plate 2-1 through bolts 4-2.

The utility model discloses a dress that LCD screen subsides is shaded examines anchor clamps, for a LCD screen adds the module in a poor light and installs and test the auxiliary device of inspection, supplementary through the device, high-efficient installation laminating to whether supplementary defect in judgement outward appearance surpasses the check standard, improves production efficiency and judges the accuracy.

Drawings

Fig. 1 is a top view structural diagram of a liquid crystal panel module.

Fig. 2 is a front view of the liquid crystal display module.

Fig. 3 is a side view of the liquid crystal display module.

Fig. 4 is a overlooking structure diagram of the bottom plate of the assembling and testing fixture for the backlight of the liquid crystal screen of the utility model.

Fig. 5 is the side view structure diagram of the bottom plate of the liquid crystal display backlight assembling and measuring clamp.

Fig. 6 is a plan view structure diagram of the pull plate of the assembling and testing fixture for the liquid crystal screen backlight.

Fig. 7 is a plan view structure diagram of the pressing plate of the assembling and testing fixture for the backlight of the liquid crystal display.

In the figure: 1-1 part of a liquid crystal display, 1-2 parts of a metal pin, 1-3 parts of a backlight, 1-4 parts of an AK electrode, 2-1 part of a bottom plate substrate, 2-2 parts of a backlight placing area, 2-3 parts of a groove, 2-4 parts of a glass positioning block, 2-5 parts of a handle, 2-6 parts of a pulling plate assembling area, 2-7 parts of a first pulling plate limit, 2-8 parts of a second pulling plate limit, 2-9 parts of a spring mounting column, 2-10 parts of a wiring opening, 2-11 parts of a foam, 2-12 parts of a pressing plate fixing hole, 2-13 parts of a supporting leg, 3-1 part of a pulling plate main body, 3-2 parts of an opening, 3-3 parts of a metal electrode, 3-4 parts of a power supply line, 3-5 parts of a fixing spring, 3-6 parts of a handle opening, 4-1 parts of a pressing plate main body, 4-2 parts of a bolt.

Detailed Description

Fig. 1-3 are diagrams of a conventional lcd backlight module, which includes an lcd 1, metal pins 2, a backlight 3, and backlight AK electrodes 4. The backlight lamp is placed above, a double-sided adhesive frame is attached to the surface of the backlight plate, a glass screen is attached to the backlight by applying proper pressure, the attaching position of the glass screen is centered with the left and right of the backlight plate, and the edge of the lower glass is aligned with the edge of the backlight. In order to ensure the assembly position precision of the backlight luminous area and the vision field of the liquid crystal display and detect the appearance quality of the backlight and the assembled liquid crystal display, the clamp is manufactured, the backlight is lightened by the aid of the clamp, the liquid crystal display is assembled, and the assembly quality is detected.

Fig. 4 and 5 are bottom plate diagrams of the loading and testing clamp, and a bottom plate base body 2-1 is processed into different depths and shapes by adopting 8mm bakelite and is used as a main body of the clamp. The left, right and lower edges of the backlight placement area 2-2 form a 2.5mm deep groove, the three edges are only larger than the backlight by processing tolerance, and the backlight is just clamped during installation and test. The length of the through slot 2-3 can accommodate all glass pins to pass through when the glass is installed. 2-4 positions of 4 glass positioning blocks with the thickness of 3mm just support the left and right outer edges of the glass according to the requirements of an assembly drawing, so that the relative positions of the glass and the backlight are equivalent to central positioning during installation, and the assembly precision is ensured. And a handle notch 2-5 is reserved to facilitate taking the backlight and the module. The pull plate assembly area 2-6 is 3mm lower than the backlight surface, the pull plate is placed, the size of the outer edge of the pull plate assembly area is slightly larger than that of the pull plate, and the pull plate can smoothly translate in the pull plate assembly area. The pull plate limits 2-7 and 2-8 limit the movable range of the pull plate. The spring mounting columns 2-9 fix one ends of the pulling plate springs, and the wiring openings 2-10 are used for placing lead wires of the testing backlight electrodes. A layer of thin foam 2-11 is attached to the backlight electrode during testing, and the pressure of the spring is buffered. The fixing holes 2-4 of the pressing plate are fixed by bolts penetrating through the pressing plate and the bottom plate, and the pulling plate is clamped between the pressing plate and the bottom plate, so that the pulling plate is pulled along the plane. The supporting legs 2-13 are used for placing the clamp on a table after the clamp is cushioned to a certain height.

FIG. 6 is a schematic diagram of a pulling plate, wherein a pulling plate main body 3-1 is processed by adopting a PMMA plate with the thickness of 3mm, an opening 3-2 is sleeved on a limiting block 2-7 of a bottom plate, and the pulling range is between a first pulling plate limiting block 2-7 and a second pulling plate limiting block 2-8. 3-3 bonded metal electrodes, the power supply line of the test backlight is welded on the metal electrodes 3-3, one end of a fixed spring 3-5 is fixed in the middle of a pulling plate, and the other end is fixed on a bottom plate, and the spring pulls the pulling plate to drive an electrode plate to press the electrode pin of the backlight during the test to electrify the backlight to be tested. The pull plate wire can be pulled to move telescopically in the opening of the bottom plate. 3-6 are handle openings, which is convenient for being pulled by hand.

As shown in figure 7, the pressing plate body 4-1 is also formed by 3mm PMMA, and the pulling plate and the spring are pressed through the bolt 4-2 to limit the pulling plate to be pulled only in a plane.

In the whole installation and test process, firstly, the pulling plate is pulled open, the backlight is placed in the limiting groove, the pulling plate is loosened, the metal electrode plate clamps the backlight pin, the backlight is checked through electrification, then the double-sided adhesive tape on the surface of the backlight is uncovered, the glass screen is lightly placed on the backlight by attaching to the positioning block, whether foreign matters and appearance problems exist or not is observed, the glass is tightly pressed after the inspection is qualified, the glass and the backlight are attached together, the pulling plate is lightly pulled to loosen the backlight, and the module is taken out to complete the installation and test.

Claims

1. The utility model provides a dress of LCD screen subsides is shaded surveys anchor clamps which characterized in that: the novel glass plate pulling device comprises a bottom plate, a pulling plate and a pressing plate, wherein a groove-shaped backlight placing area (2-2) is arranged at the front part of a bottom plate base body (2-1), penetrating grooves (2-3) are formed in two sides of the backlight placing area (2-2), glass positioning blocks (2-4) are arranged at four corners of the upper part of the bottom plate base body (2-1) and positioned at the outer side of the backlight placing area (2-2), a pulling plate assembling area (2-6) is arranged in the middle of the rear side of the bottom plate base body (2-1), and spring mounting columns (2-9) are arranged on the pulling plate assembling area (2-6); the pull plate main body (3-1) is arranged in the pull plate assembly area (2-6), one end of the fixed spring (3-5) is connected with the spring mounting column (2-9), the other end of the fixed spring (3-5) is connected with the pull plate main body (3-1), the front end of the pull plate main body (3-1) is provided with a metal electrode (3-3), and the metal electrode (3-3) is connected with a power supply line (3-4); the pressing plate main body (4-1) is arranged on the upper side of the pulling plate and is fixed on the base plate body (2-1).

2. The assembling and testing clamp for the liquid crystal display backlight according to claim 1, characterized in that: the front side of the pulling plate assembly area (2-6) is provided with a first protruding pulling plate limit (2-7), and a second pulling plate limit (2-8) is arranged on the rear side of the pulling plate assembly area (2-6) on the base plate base body (2-1).

3. The assembling and testing fixture for the liquid crystal display screen to be backlighted according to claim 1, characterized in that: and wiring openings (2-10) are formed in the base plate (2-1) of the bottom plate and positioned on two sides of the pulling plate assembly area (2-6).

4. The assembling and testing clamp for the liquid crystal display backlight according to claim 1, characterized in that: and foam (11) is arranged on the inner wall of the rear side of the backlight placement area (2-2).

5. The assembling and testing clamp for the liquid crystal display backlight according to claim 1, characterized in that: the bottom of the bottom plate base body (2-1) is provided with support legs (13), and the front part of the bottom plate base body (2-1) is provided with a buckle (2-5).

6. The assembling and testing clamp for the liquid crystal display backlight according to claim 1, characterized in that: an opening (3-2) is formed in the middle of the front end of the pulling plate main body (3-1), and a handle opening (3-6) is formed in the rear portion of the pulling plate main body (3-1).

7. The assembling and testing clamp for the liquid crystal display backlight according to claim 1, characterized in that: the pressing plate main body (4-1) is fixed in pressing plate fixing holes (2-12) on two sides of the base plate body (2-1) through bolts (4-2).