KR100814519B1 - Back light unit assembly apparatus having lamp hopper - Google Patents

Abstract

The present invention relates to a backlight unit assembly apparatus, the lamp hopper 41; A slider 42 spaced below the lamp hopper 41 and capable of sliding forward and backward; A lamp station 43 seated on the slider 42 to align and receive the lamp 10 discharged from the lamp hopper 41 while passing through the lower side of the lamp hopper 41 by the sliding operation of the slider 42; It is provided adjacent to the lamp hopper 41, and comprises a lamp stopper 44 for selectively opening and closing the outlet of the lamp hopper 41. Accordingly, the lamp can be easily and efficiently transferred to shorten the assembly process of the backlight unit.

Backlight Unit, Lamp, Lamp Hopper, Slider, Lamp Station, Lamp Stopper

Description

Back light unit assembly device with lamp hopper {BACK LIGHT UNIT ASSEMBLY APPARATUS HAVING LAMP HOPPER}

1 is a schematic view showing a backlight unit assembly apparatus according to the present invention;

Figure 2 is a perspective view showing a lamp transfer unit of the backlight unit assembly apparatus according to the present invention,

Figure 3 is a side view showing a lamp mounting portion of the backlight unit assembly apparatus according to the present invention,

Figure 4 is a lamp transfer unit operating state of the backlight unit assembly apparatus according to the present invention,

5A to 5E are diagrams illustrating an operation state of a lamp transfer unit when an abnormality is detected in a lamp accommodated in a lamp station through a sensor in the backlight unit assembly apparatus according to the present invention.

             <Description of Symbols for Main Parts of Drawings>

            10: lamp 20: chassis entry

            30: lamp mounting part 40: lamp transfer part

            41: lamp hopper 41a: the first hopper

            41b: Second Hopper 42: Slider

            43: lamp station 43a: lamp receiving groove

            44: lamp stopper 45: tangle prevention roller

            46 sensor 47 lamp removal member

            50: lamp inspection unit 60: lamp discharge unit

The present invention relates to an apparatus for assembling a back light unit, and more particularly, to an apparatus for assembling a backlight unit provided with a lamp transfer unit that can easily and efficiently transfer a lamp installed in a chassis by an automated process. It is about.

In general, a liquid crystal display (LCD) refers to an electronic device that converts and transmits electrical information generated by various units into visual information by using a change in transmittance of liquid crystal according to an applied voltage, and includes a backlight unit, a liquid crystal display panel, Chassis, etc.

 The importance of such liquid crystal display devices is gradually increasing as the modern society enters the information and communication society, and the demand for them is increasing exponentially.

In particular, the role of the back light unit in the liquid crystal display device is becoming an important task, which has a lot of mechanical and optical properties, including the size and light efficiency of the liquid crystal display device by the structure of the backlight unit. Because you receive.

In the conventional backlight unit assembly process, the lamps are classified by dividing the polarity of the lamps, that is, by dividing the high pressure (GND) and the low pressure (HOT) areas, and the lamps thus classified are transferred to a predetermined place and the chassis is mounted through the lamp mounting means. It goes through the process of mounting on the lamp support installed in the.

However, in the backlight unit assembly process as described above, there is a problem that the lamp may be damaged due to the carelessness of the worker as well as the efficiency of the work is relatively lowered by relying on the manual labor of the operator.

In addition, before the lamp is mounted on the lamp support of the chassis, it is necessary to inspect whether the lamp is defective through a separate inspection step, and thus, the overall backlight unit assembly process is delayed.

Recently, a method of automatically transferring a lamp through a conveying means such as a conveyor has been proposed, but this also has to go through a process of checking whether there is an abnormality of the lamp and fundamentally solves the problem of changing the polarity of the lamp at the loading stage. The situation is not blocked.

The present invention was created to solve the above problems, and an object thereof is to provide a backlight unit assembly apparatus that can easily and efficiently transfer a lamp through an automated process.

In order to achieve the above object, the present invention is a backlight unit assembly device provided with a lamp transfer unit for transferring the lamp, the lamp transfer unit, the lamp hopper; A slider spaced apart from the lower side of the lamp hopper and capable of sliding forward and backward; A lamp station mounted on the slider to align and receive the lamps discharged from the lamp hopper while passing under the lamp hopper by sliding the slider; It is installed adjacent to the lamp hopper, and comprises a lamp stopper for selectively opening and closing the outlet of the lamp hopper has a technical feature.

The lamp hopper is preferably formed to be separated into the first hopper and the second hopper so that the lamp can be put to distinguish the polarity (GND / HOT).

It is further connected to each of the first hopper and the second hopper, it may further include an entanglement prevention roller to prevent tangling during discharge of the lamp.

It is preferable to further include a sensor installed on the lamp station transport path for detecting the abnormality of the lamp accommodated in the lamp station, and a lamp removing member for removing the lamp in the lamp station detected the abnormality through the sensor. .

The lamp removing member is installed to be able to move up and down between the first hopper and the second hopper, it is preferable to remove the lamp is detected abnormal by vacuum adsorption.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

As shown in Figures 1 to 3, the backlight unit assembly apparatus according to the present invention includes a chassis entry unit 20; A lamp mounting portion 30 connected to the chassis entry portion 20; A lamp transfer part 40 connected to the lamp mounting part 30; Lamp inspection unit 50 is connected to the lamp mounting portion 30; It is configured to include a chassis discharge unit 60 is connected to the lamp inspection unit (50).

With this configuration, the lamp 10 is mounted to the chassis 22 while passing through the chassis entry part 20 and the lamp mounting part 30, and while passing through the lamp inspection part 50, the lamp ( The mounting state of the 10) is inspected and discharged to a predetermined place through the chassis discharge unit 60.

The chassis entry portion 20 serves to enter the chassis 22 into the lamp mounting portion 30, and the chassis 22 is provided with a plurality of lamp supports 24 for stably supporting the lamp 10. .

The chassis entry portion 20 has a structure capable of automatically moving the chassis 22 toward the lamp mounting portion 30, and the structure of the chassis entry portion 20 makes the chassis 22 stable to the lamp mounting portion 30. Of course, it can be changed in various ways within the range that can be entered.

The lamp transfer unit 40 serves to easily and efficiently transfer the lamp 10 to the lamp mounting unit 30.

Lamp transfer unit 40, as shown in Figure 2, Lamp Hopper (Lamp Hopper) (41); A slider 42 spaced apart from the lower side of the lamp hopper 41; Lamp Station 43 seated on the slider 42; It includes a lamp stopper 44 installed adjacent to the lamp hopper 41.

The lamp hopper 41 is for selectively supplying the lamp 10 to the lamp station 43. The lamp hopper 41 divides the polarity of the lamp 10, that is, the high pressure (GND) and the low pressure (HOT) regions, to separate the lamp 10. The first hopper 41a and the second hopper 41b are separately formed so as to be able to be injected.

This is for staggering the polarities of the lamps 10 accommodated on the lamp station 43.

Therefore, the high pressure (GND) and the low pressure (HOT) of the lamp 10 can be identified in the step of accommodating the lamp 10 in the lamp station 43, thereby fundamentally preventing the problem that the polarity of the lamp 10 is changed. Can be.

The lower end of each of the first hopper (41a) and the second hopper (41b) is formed with a discharge port for discharging the lamp 10 one by one.

On the other hand, the first hopper (41a) and the second hopper (41b) has a structure that is symmetrical with each other, the size and shape of the first hopper (41a) and the second hopper (41b), the arrangement structure and the like as appropriate It is adjustable.

The slider 42 is slidably mounted on the guide rail 42a, and slides forward and backward along the guide rail 42a. That is, when the lamp 10 is transferred, it is advanced, and when the transfer of the lamp 10 is completed, it is reversed to perform the transfer operation again and returns to its original position.

The structure of the slider 42 can be changed in various ways within the range which can implement a sliding operation easily.

The lamp station 43 is stably seated on the slider 42, and continuously passes through the lower side of the first hopper 41 a and the second hopper 41 b by the sliding operation of the slider 42. 41a) serves to align and receive the lamp 10 discharged from the second hopper 41b.

The lamp station 43 has a rectangular plate structure for arranging a plurality of lamps, and on the upper surface thereof, the lamp 10 discharged through the discharge holes of the first hopper 41a and the second hopper 41b is aligned and accommodated. A plurality of lamp receiving grooves 43a for forming are arranged side by side in a row.

The number of lamp receiving grooves 43a is formed equal to the number of lamps 10 to be mounted on the lamp support 24 of the chassis 22.

The lamps 10 discharged through the first hopper 41a and the second hopper 41b are alternately disposed in the plurality of lamp receiving grooves 43a formed in parallel in the lamp station 43.

For example, when ten lamp receiving grooves 43a are formed in the lamp station 43, the lamps 10 discharged through the first hopper 41a correspond to the first, third, five, seven, and nine. The lamp 10 accommodated in the lamp receiving groove 41a and discharged through the second hopper 41b is accommodated in the lamp receiving groove 43a corresponding to the second, fourth, six, eight, and ten.

The lamp stopper 44 has a structure that rotates open and close, and serves to selectively open and close the outlets of the first hopper 41a and the second hopper 41b. The opening and closing structure of the lamp stopper 44 can be changed as needed.

Each of the first hopper 41a and the second hopper 41b is provided with an anti-entanglement roller 45. The anti-entanglement roller 45 effectively prevents an entanglement generated when the lamp 10 is discharged by the rotation operation. By preventing it serves to facilitate the discharge of the lamp (10).

In addition, the sensor 46 and the lamp removing member 47 are provided on the transport path of the lamp station 43.

Therefore, the sensor 46 detects the presence or absence of the lamp 10 accommodated in the lamp receiving groove 43a of the lamp station 43, and the lamp 10 in which the abnormality is detected is removed from the lamp removing member 47. The lifting operation can be easily removed from the lamp station 43.

The sensor 46 is installed adjacent to the guide rail 42a to detect a lead defect of the lamp 10.

In addition, the lamp removal member 47 is installed between the first hopper 41a and the second hopper 41b so as to be able to move up and down. The removed lamp 10 is removed, and the removed lamp 10 is stored separately in a predetermined place.

The sensor 46 selectively applies various types of well-known ones such as an infrared sensor and an optical sensor within a range capable of detecting a defective lamp 10 such as a lamp 10 in which a lead is bent or an appearance defect occurs. The type of the sensor 46 and the sensing method thereof may be omitted.
The lamp removing member 47 may selectively apply various kinds of known materials within a range in which the lamp 10 may be firmly and stably gripped and moved to a predetermined place.

The installation position of the sensor 46 and the lamp removing member 47 can be appropriately changed as necessary.

The lamp mounting portion 30 is firm and stable to the lamp support 24 of the chassis 22 that enters the lamp 10 provided through the lamp station 43 of the lamp transfer part 40 through the chassis entry portion 20. It is for mounting.

Lamp mounting portion 30, as shown in Figure 3, the elevating member (32); And a gripper 34 connected to the elevating member 32.

In particular, the gripper 34 mounts the lamp 10 to the lamp support 24 of the chassis 22 by the lowering operation of the elevating member 32 while the lamp 10 is gripped from the lamp station 43. It plays a role.

The elevating member 32 may selectively apply various kinds of known ones capable of elevating operation, and the gripper 34 may arrange the lamp 10 which is aligned and accommodated in the lamp receiving groove 43a of the lamp station 43. Each vacuum suction was carried and mounted on the lamp support 24.

On the other hand, the lamp inspection unit 50 serves to check and check the mounting state of the lamp 10 while the camera (not shown) moves, the chassis discharge unit 60 is passed through the lamp inspection unit 50 ( 10) serves to discharge the chassis 22 mounted to a predetermined place.

4 is a view illustrating a lamp transfer unit operating state of the backlight unit lamp assembling apparatus, and when the lamp 10 accommodated in the lamp station 43 is not detected through the sensor 46, the lamp transfer unit operating state is illustrated.

First, the high pressure (GND) and the low pressure (HOT) regions are divided into the first hopper 41a and the second hopper 41b, and the lamp 10 is introduced, and the lamp station 43 is placed on the slider 42. It is seated.

At this time, the lamp stopper 44 which selectively opens and closes the outlets of the first hopper 41a and the second hopper 41b maintains the closed state.

In addition, the lamp station 43 sequentially passes through the first hopper 41a and the second hopper 41b by the sliding operation of the slider 42 and from the first hopper 41a and the second hopper 11b. The lamp 10 is discharged and accommodated in the lamp receiving groove 43a of the lamp station 43.

At this time, the lamp 10 accommodated in the first hopper 41a and the second hopper 41b is discharged by the selective opening / closing operation of the lamp stopper 44 so that the lamp receiving groove 43a of the lamp station 43 can be discharged. Are placed alternately).

On the other hand, reference numeral 46 denotes a sensor for detecting the presence or absence of abnormal lamps.

5A to 5E are diagrams illustrating a lamp transfer unit operating state of the backlight unit assembly apparatus according to the present invention, in which an abnormal state is detected in the lamp 10 housed in the lamp station 43 through the sensor 46. .

First, as shown in FIG. 5A, a lamp 10 is introduced into the first hopper 41a and the second hopper 41b by dividing a high pressure (GND) and a low pressure (HOT) region, and the lamp station 43 is a slider. It rests on (42).

At this time, the lamp stopper 44 which opens and closes the discharge port of the 1st hopper 41a and the 2nd hopper 41b maintains a closed state.

As shown in FIG. 5B, the lamp station 43 sequentially passes through the first hopper 41a and the second hopper 41b by the sliding operation of the slider 42, and simultaneously the first hopper 41a and the second hopper. The lamp 10 is discharged from the hopper 41b and aligned in the lamp receiving groove 43a of the lamp station 43.

At this time, the lamp 10 accommodated in the first hopper 41a and the second hopper 41b is discharged by the selective opening / closing operation of the lamp stopper 44, and the lamp receiving groove 33a of the lamp station 33 is discharged. Are placed alternately).

If an abnormality is detected in the lamp 10 discharged from the second hopper 41b through the sensor 46 in this process, the lamp station 43 is operated by sliding the slider 42 as shown in FIGS. 5C and 5D. ) Is removed from the lamp receiving groove 33a of the lamp station 43 by detecting the abnormality through the lifting operation of the lamp removing member 47.

At this time, the lamp stopper 44 which opens and closes the discharge ports of the first hopper 41a and the second hopper 41b maintains a closed state.

When the removal operation of the lamp 10 in which an abnormality is detected is completed, as shown in FIG. 5E, the lamp station 43 is advanced again by the slider 42 and the lamp stopper 44 is opened to open the second hopper ( The lamp 10 is discharged from 41b) and accommodated in the lamp receiving groove 43a of the lamp station 43. In some cases, the lamp 10 may be accommodated in the lamp receiving groove 43a from which the lamp station 43 has been moved backward.

On the other hand, the scope of the present invention is not limited to the above embodiments can be implemented in various forms of embodiments within the scope of the appended claims. Without departing from the gist of the invention as claimed in the claims, any person of ordinary skill in the art is considered to be within the scope of the claims described in the present invention to the extent possible to vary.

As described above, according to the present invention, it is possible to easily and efficiently carry out the lamp transfer operation through the lamp transfer unit, thereby shortening the entire assembly process of the backlight unit.

In addition, through the sensor and the lamp removal member can be removed the defective lamp efficiently, it is possible to fundamentally block the problem that the polarity of the lamp is changed in the loading step.

Claims (5)

In the backlight unit assembly device is provided with a lamp transfer unit for transferring the lamp, The lamp transfer unit, Lamp hopper; A slider spaced below the lamp hopper and capable of sliding forward and backward; A lamp station mounted on the slider to align and receive the lamps discharged from the lamp hopper while passing under the lamp hopper by sliding the slider; And a lamp stopper installed adjacent to the lamp hopper to selectively open and close the outlet of the lamp hopper. The method of claim 1, The lamp hopper is a backlight unit assembly device, characterized in that formed by separating the first hopper and the second hopper so that the lamp can be put in the polarity (GND / HOT). The method of claim 2, The first unit and the second hopper is connected to each of the installed, the backlight unit assembly apparatus further comprises an anti-tangling roller to prevent tangling during discharge of the lamp. The method according to any one of claims 1 to 3, And a lamp removing member installed on the lamp station transport path to detect an abnormality of the lamp accommodated in the lamp station, and a lamp removing member removing the lamp in which the abnormality is detected through the sensor. Back light unit assembly device. The method of claim 4, wherein The lamp removing member is installed so as to be elevated between the first hopper and the second hopper, the backlight unit assembly apparatus, characterized in that for removing the lamp by vacuum suction.

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