CN221149093U

CN221149093U - Direct type backlight lighting and optical film attaching integrated device

Info

Publication number: CN221149093U
Application number: CN202322923574.3U
Authority: CN
Inventors: 山口勝
Original assignee: Ways Electron Co ltd
Current assignee: Ways Electron Co ltd
Priority date: 2023-10-31
Filing date: 2023-10-31
Publication date: 2024-06-14
Anticipated expiration: 2033-10-31

Abstract

The utility model discloses a direct type backlight lighting and optical film attaching integrated device, which comprises: the device comprises a rotary support, a positioning table, a turning plate assembly and an attaching mechanism, wherein the positioning table is arranged on the rotary support and can perform rotary motion on the rotary support to switch between a horizontal state and a vertical state, a product positioning groove for placing a product is formed in the positioning table, and a clearance hole opposite to a terminal plug-in of the product is formed in the product positioning groove; the turning plate assembly is arranged on the positioning table and comprises a turning plate which can be turned over to the upper part of the product positioning groove, and a locking mechanism is arranged between the turning plate and the positioning table; the attaching mechanism is arranged on the turning plate assembly and used for attaching adhesive tapes on products. The utility model can realize the integrated continuous operation of lighting detection and optical film attachment, improves the efficiency, reduces the cost and is convenient for operation.

Description

Direct type backlight lighting and optical film attaching integrated device

Technical Field

The utility model relates to the technical field of backlight source production, in particular to a direct type integrated device for lighting and attaching an optical film to a backlight source.

Background

The backlight source is one of the key components of the liquid crystal display panel, and has the functions of providing enough light sources with uniform brightness and distribution, so that the liquid crystal display panel can normally display images. For oversized backlights, side-entry structures have not been advantageous in terms of weight and brightness, and therefore direct-lit structures have been developed that do not include a light guide plate and have a light source positioned directly below. Light of the direct type backlight source is emitted from the LED, is uniformly dispersed upwards through the optical film and is emitted from the front surface, and the direct type backlight source has the advantages of high brightness, good light emitting visual angle, high light utilization efficiency, simple structure and the like.

The production link of the direct type backlight source comprises the lighting detection of the attached optical film (such as a diffusion sheet) and the LED, and the conventional practice of the direct type backlight source is independently carried out for the two links at present, namely the lighting detection of the attached optical film and the LED is positioned at two stations, so that corresponding jigs and operators are required to be equipped at the two stations, and the product also needs to be circulated between the two stations, thereby leading to low production efficiency and increasing equipment and labor input cost. In addition, since the terminal plug-in of the direct type backlight is located at the bottom, there is a great inconvenience in connecting the backlight to the power supply when the operator detects the lighting of the LED. Accordingly, there is a need for improvements in the art that overcome the shortcomings of the prior art.

Disclosure of Invention

The utility model aims to solve the problem of providing a direct type backlight lighting and optical film attaching integrated device so as to overcome the defects of low efficiency, high cost and inconvenient operation in the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a direct-lit backlight lighting and optical film attachment integrated device, comprising: the device comprises a rotary support, a positioning table, a turning plate assembly and an attaching mechanism, wherein the positioning table is arranged on the rotary support and can perform rotary motion on the rotary support to switch between a horizontal state and a vertical state, a product positioning groove for placing a product is formed in the positioning table, and a clearance hole opposite to a terminal plug-in of the product is formed in the product positioning groove; the turning plate assembly is arranged on the positioning table and comprises a turning plate which can be turned over to the upper part of the product positioning groove, and a locking mechanism is arranged between the turning plate and the positioning table; the attaching mechanism is arranged on the turning plate assembly and used for attaching adhesive tapes on products.

As a further improvement of the utility model, the rotary bracket is provided with two vertical support plates, and two ends of the positioning table are respectively connected with the two support plates in a rotating way through a rotating shaft; the two ends of the positioning table are positioned at two sides of the rotating shaft, first ball plungers are arranged at two sides of the rotating shaft, two opposite side surfaces of the supporting plates are respectively provided with an annular chute coaxial with the rotating shaft, ball positioning grooves are respectively arranged at intersection positions of the annular chute and a horizontal line and a vertical line passing through the center of the annular chute, and the first ball plungers are positioned in the corresponding ball positioning grooves.

As a further improvement of the utility model, the turning plate assembly further comprises a fixed seat and two supports, wherein the two supports are fixed on the positioning table through the fixed seat and are positioned at the rear side of the product positioning groove, one end of the turning plate is axially arranged between the two supports, and a limiting column for supporting the turning plate is arranged on the fixed seat.

As a further improvement of the utility model, the locking mechanism comprises a rotating block and a stop pin, wherein the rotating block is rotatably arranged at the end part of the turning plate, the stop pin is fixed on the rotating block, an arc-shaped limiting chute is arranged on the positioning table, and the stop pin can slide into and out of the arc-shaped limiting chute when the rotating block rotates.

As a further improvement of the utility model, the turning plate is provided with a first magnet for adsorbing the rotating block; and the positioning table is positioned in the arc-shaped limiting chute and is provided with a second ball plunger.

As a further improvement of the utility model, the attaching mechanism comprises an attaching pressing block, the attaching pressing block is vertically and slidably arranged on the turning plate, the lower end of the attaching pressing block is provided with an attaching pressing part, the bottom of the attaching pressing part is provided with a plurality of vacuum adsorption holes, the turning plate is provided with a containing hole, and the attaching pressing part is arranged in the containing hole and is provided with an adhesive tape positioning groove.

As a further improvement of the utility model, a stop block and a guide post are fixedly arranged on the turning plate, the attaching pressing block is sleeved on the guide post in a sliding way, a spring is arranged between the attaching pressing block and the turning plate, and the attaching pressing block is upwards stopped on the stop block under the action of the elastic force of the spring.

As a further improvement of the utility model, the positioning table is also provided with a reference component for aligning the optical film, and the reference component comprises two reference seats fixed at one end of the positioning table, two reference blocks which are arranged on the reference seats in a one-to-one correspondence manner, and a reference connecting plate fixedly connected with the two reference blocks.

As a further improvement of the present utility model, the reference base is mounted with a second magnet for attracting the reference block.

The beneficial effects of the utility model are as follows: the utility model provides a direct type backlight source lighting and optical film attaching integrated device, which is characterized in that a positioning table is rotatably arranged on a rotary bracket, a product is placed in the positioning table for positioning, a turnover plate assembly is turned over and covered on the product and locked, the positioning table is rotated to a vertical state, so that a terminal plug-in on the product faces an operator, a lighting connecting wire is conveniently connected with the terminal plug-in on the product, an LED of the product is lightened and detected, the positioning table is rotated to a horizontal state, an attaching adhesive tape is attached by an attaching mechanism, and an optical film is assembled, thereby realizing lighting detection and optical film attaching continuity operation, improving efficiency and reducing cost; in addition, the product is always in a lighting state in the process of attaching the optical film, so that the defect of the optical film can be immediately found in the assembly process, and countermeasures for eliminating the defect can be timely taken; in addition, the utility model is also provided with the reference component, which can help the attachment alignment of the optical film to be accurate, avoid the offset when the optical films are assembled and ensure the attachment precision.

Drawings

FIG. 1 is a perspective view of a direct type backlight lighting and optical film attaching integrated device according to the present utility model in a state in which a flap assembly is opened;

FIG. 2 is a perspective view of a turnover plate assembly of the direct type backlight lighting and optical film attaching integrated device in a covering state;

FIG. 3 is an exploded view of the direct-lit backlight module and optical film attachment integrated device of the present utility model;

FIG. 4 is a perspective view of the integrated direct backlight lighting and optical film attachment device of the present utility model in a position stand upright position;

FIG. 5 is a perspective view of a flap assembly and attachment mechanism according to the present utility model;

Fig. 6 is a second perspective view of the flap assembly and attachment mechanism of the present utility model.

The following description is made with reference to the accompanying drawings:

1. A rotating bracket; 11. a support plate; 111. an annular chute; 112. ball head positioning groove; 2. a positioning table; 21. a clearance hole; 22. a rotating shaft; 23. a first ball plunger; 24. arc limiting sliding grooves; 25. a second ball plunger; 3. a flap assembly; 31. turning plate; 32. a fixing seat; 33. a support; 34. a limit column; 35. a rotating block; 36. a stop pin; 37. a first magnet; 38. a stop block; 39. a guide post; 310. a spring; 311. a rubber strip positioning groove; 4. an attaching mechanism; 41. attaching a pressing block; 411. vacuum adsorption holes; 5. a reference assembly; 51. a reference base; 52. a reference block; 53. a reference connecting plate; 54. a second magnet; 10. a product; 101. and a terminal insert.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 6, the present utility model provides a direct type backlight lighting and optical film attaching integrated device, comprising: the device comprises a rotary bracket 1, a positioning table 2, a turning plate assembly 3 and an attaching mechanism 4. The rotating bracket 1 is provided with a bottom plate and two vertical support plates 11, the two support plates 11 are symmetrically and fixedly arranged at the top of the bottom plate, and two ends of the positioning table 2 are respectively connected with the two support plates 11 in a rotating way through rotating shafts 22, so that the positioning table 2 can perform rotating motion on the rotating bracket 1 to switch between a horizontal state and a vertical state. The top of the positioning table 2 is provided with a product positioning groove, the shape of which is similar to that of the product 10, so as to be used for placing and positioning the product 10. In this embodiment, the product 10 is a direct type backlight, and has two terminal plugs 101 at the bottom for connecting to a power supply. The bottom of the product positioning groove is provided with a clearance hole 21 opposite to the terminal insert 101 of the product 10 so that the terminal insert 101 can be exposed outward through the clearance hole 21.

Further, the flap assembly 3 is rotatably mounted on the positioning table 2, and the flap assembly 3 includes a flap 31, and when the flap 31 is rotated, the flap assembly is turned over to be turned over the product positioning groove, and the cover is arranged on the top of the product 10 in the product positioning groove (as shown in fig. 2), or turned outwards relative to the positioning table 2 to be opened (as shown in fig. 1). Wherein, be provided with locking mechanism between turning over board 31 and the location platform 2, locking mechanism is used for turning over the board 31 locking of turning over the top of covering in product 10 on the location platform 2 to when the rotation motion is being carried out to the location platform 2, avoid turning over board 31 upset and open and lead to product 10 to drop.

Further, the attaching mechanism 4 is installed on the flap assembly 3, and the attaching mechanism 4 is used for attaching an adhesive tape on the product 10, then attaching the optical film, and adhering and fixing by using the adhesive tape.

According to the utility model, the positioning table 2 is rotatably arranged on the rotary bracket 1, after a product 10 is placed in the positioning table 2 for positioning, the turnover plate assembly 3 is turned over and covered on the product 10 and locked, and then the positioning table 2 is rotated to a vertical state, so that a terminal plug-in 101 on the product 10 faces an operator, a lighting connecting wire is conveniently connected into the terminal plug-in 101 of the product 10, an LED of the product 10 is lightened for detection, then the positioning table 2 is rotated to restore a horizontal state, an adhesive tape is attached by using the attaching mechanism 4, and an optical film is assembled, thereby realizing lighting detection and attachment continuity operation of the optical film, improving efficiency and reducing cost; in addition, since the product 10 is always in the lighted state during the attachment of the optical film, defects (such as stains) of the optical film can be immediately found during the assembly process, and countermeasures for eliminating the defects can be timely taken.

Referring to fig. 3, the two ends of the positioning table 2 are located at two sides of the rotating shaft 22 and are respectively provided with a first ball plunger 23, one side surface of the two support plates 11 opposite to each other is respectively provided with an annular chute 111 coaxial with the rotating shaft 22, the first ball plungers 23 are located in the corresponding annular chutes 111, and when the positioning table 2 is rotated, the first ball plungers 23 can slide along the annular chutes 111. The annular equidistant arrangement of the ball positioning grooves 112 in each annular chute 111 is not limited to eight, and the groove depth of the ball positioning grooves 112 is larger than that of the annular chute 111. Wherein, two ball positioning grooves 112 are distributed on the intersection point of the annular chute 111 and a horizontal line passing through the center of the annular chute 111, and when the positioning table 2 is in a horizontal state, the first ball plunger 23 is positioned in the ball positioning groove 112 to position the positioning table 2 so as to keep the positioning table in the horizontal state. Wherein, two ball positioning grooves 112 are distributed on the intersection point of the annular chute 111 and the vertical line passing through the center of the annular chute 111, when the positioning table 2 is in a vertical state, the first ball plunger 23 is positioned in the ball positioning groove 112 to position the positioning table 2 so as to keep the positioning table in a vertical state.

In addition, a stop pin is also fixed on one side surface of the two support plates 11 opposite to each other, when the positioning table 2 is in a horizontal state, the bottom of the positioning table 2 close to the front end is just stopped on the two stop pins, so that the positioning table 2 is further limited, and cannot rotate downwards around the rotating shaft 22, but cannot be turned upwards to a vertical state.

Referring to fig. 2 and 5, the flap assembly 3 further includes a fixing seat 32 and two supports 33, the two supports 33 are fixed on the positioning table 2 through the fixing seat 32 and are located at the rear side of the product positioning groove, and the rear end of the flap 31 is axially disposed between the two supports 33, so that the flap 31 can turn forward around the two supports 33. Two limit posts 34 are mounted on the fixed seat 32, and the turning plate 31 can be stopped by the limit posts 34 when turned over and opened to the position shown in fig. 1 and is supported on the limit posts 34.

Referring to fig. 2, the latch mechanism includes a rotation block 35 and a stopper pin 36, the rotation block 35 is rotatably mounted on a front end surface of the flap 31 by a click screw, the stopper pin 36 is fixed on the rotation block 35, and a rear end of the stopper pin 36 protrudes rearward from a rear side surface of the rotation block 35. The front end surface of the positioning table 2 is provided with an arc-shaped limiting chute 24, and the arc-shaped limiting chute 24 is an arc-shaped groove arranged along the movement track of the stop pin 36, that is, the stop pin 36 can slide into and out of the arc-shaped limiting chute 24 when the rotating block 35 rotates. The front end surface of the turning plate 31 is positioned at the left side of the plugging screw and is also provided with a first magnet 37. When the rotating block 35 rotates to a horizontal state, the rotating block 35 is adsorbed and fixed by the first magnet 37, and the stop pin 36 is positioned outside the arc-shaped limiting chute 24; when the rotating block 35 rotates anticlockwise from the horizontal state to the vertical state, the adsorption of the first magnet 37 is released, and the rear end of the stop pin 36 slides into the arc-shaped limiting chute 24, so that the locking of the turning plate 31 is formed.

Wherein, the second ball plunger 25 is installed in the arc-shaped limiting chute 24 of the positioning table 2 and is used for blocking the stop pin 36 to prevent the stop pin 36 from falling out of the arc-shaped limiting chute 24, but when the operator rotates the rotating block 35 forcefully, the stop pin 36 can be made to cross the second ball plunger 25.

Referring to fig. 5 and 6, the attaching mechanism 4 includes an attaching block 41, and the attaching block 41 is vertically slidably mounted on the front top of the flap 31. Specifically, two stoppers 38 and four guide posts 39 are fixedly mounted on the top of the front end of the turning plate 31, four linear bearings are mounted on the attachment pressing block 41, the attachment pressing block 41 is slidably sleeved on the four guide posts 39 through the four linear bearings, and a spring 310 is mounted between the attachment pressing block 41 and the turning plate 31. The two stoppers 38 are distributed on two sides of the attaching block 41, and the top of the two stoppers 38 are provided with baffle portions, the baffle portions extend to the upper side of the attaching block 41, and the attaching block 41 is stopped upwards on the baffle portions of the stoppers 38 under the action of the elasticity of the springs 310. The lower extreme of attached briquetting 41 is equipped with presses attaches the portion, and presses the bottom of attaching the portion to be equipped with a plurality of vacuum adsorption holes 411, is equipped with the accommodation hole on turning over board 31, presses attaches the portion and arranges in the accommodation hole to be formed with adhesive tape constant head tank 311 in the bottom of turning over board 31, adhesive tape constant head tank 311 is used for the location to wait to attach the adhesive tape, and vacuum adsorption hole 411 is used for adsorbing the adhesive tape in the fixed adhesive tape constant head tank 311.

In addition, the direct type backlight spot lamp and optical film attaching integrated device further comprises a reference component 5, wherein the reference component 5 is arranged at the left end of the positioning table 2 and used for aligning the optical film.

Referring to fig. 1 and 2, the reference assembly 5 includes two reference seats 51 fixed in parallel at the left end of the positioning table 2, two reference blocks 52 axially provided on the reference seats 51 in one-to-one correspondence, and a reference connection plate 53 fixedly connected to the two reference blocks 52, and a second magnet 54 for adsorbing the reference blocks 52 is mounted on the reference seats 51. The two reference blocks 52 are driven to rotate by rotating the reference connecting plate 53, so that the two reference blocks 52 are overturned and pressed on the left end edge of the product 10 and are adsorbed and fixed by the second magnet 54, the two reference blocks 52 are utilized to play a reference alignment role on the attached optical film, the offset of the optical film during assembly is avoided, and the attachment precision is ensured.

The utility model relates to a direct type backlight spot lamp and optical film attaching integrated device, which has the following working principle:

Initially, the panel turnover assembly 3 and the reference assembly 5 are both in a turned-on state, as shown in fig. 1;

firstly, placing a product 10, namely a direct type backlight source, into a positioning table 2 for positioning, and placing an adhesive tape into an adhesive tape positioning groove 311 for adsorption fixation through a vacuum adsorption hole 411; turning down the flap assembly 3 and simultaneously toggling the rotating block 35 to enable the stop pin 36 to slide into the arc-shaped limiting chute 24 to lock the flap 31, and turning down the reference assembly 5, as shown in fig. 2;

Secondly, lifting the positioning table 2, turning over to a vertical state, and performing lighting detection on the terminal plug-in 101 of the lighting connecting wire connected with the product 10, as shown in fig. 4;

Then, the positioning table 2 is turned over and restored to a horizontal state, the attaching pressing block 41 is pressed, the attaching pressing block 41 pushes out the adhesive tape from the adhesive tape positioning groove 311 and is pressed on the product 10, and the attaching pressing block 41 is reset under the elastic force of the spring 310 after loosening;

Afterwards, the rotating block 35 is shifted to unlock the turning plate 31, the turning plate assembly 3 is turned over and opened, and the optical film is assembled against the reference block 52; detecting the defect of the optical film in the process of assembling the optical film;

If the optical film needs to be attached with multiple layers, the flap plate assembly 3 and the attaching mechanism 4 can be repeatedly used for attaching adhesive tapes and optical film;

After the optical membrane is assembled, the positioning table 2 is lifted, turned to a vertical state, the lighting connecting line is disconnected, then the optical membrane is adjusted to a horizontal state, the turning plate assembly 3 and the reference assembly 5 are turned and opened, the product 10 is taken out, and the assembly is completed.

In the above description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The foregoing description is only of a preferred embodiment of the utility model, which can be practiced in many other ways than as described herein, so that the utility model is not limited to the specific implementations disclosed above. While the foregoing disclosure has been described with reference to certain embodiments, it will be understood by those skilled in the art that various changes and modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model without departing from the technical solution of the present utility model still falls within the scope of the technical solution of the present utility model.

Claims

1. The utility model provides a straight following formula backlight point lamp and attached integrated device of optical film piece which characterized in that includes:

a rotating bracket (1);

A positioning table (2) which is arranged on the rotary support (1) and can perform rotary motion on the rotary support (1) to switch between a horizontal state and a vertical state, wherein a product positioning groove for placing a product (10) is arranged on the positioning table (2), and a clearance hole (21) opposite to a terminal plug-in (101) of the product (10) is arranged on the product positioning groove;

The turnover plate assembly (3) is arranged on the positioning table (2) and comprises a turnover plate (31) capable of being turned over to the upper part of the product positioning groove, and a locking mechanism is arranged between the turnover plate (31) and the positioning table (2);

and the attaching mechanism (4) is arranged on the turning plate assembly (3) and is used for attaching adhesive tapes on the products (10).

2. The direct-lit backlight lighting and optical film attachment integrated device of claim 1, wherein: the rotary support (1) is provided with two vertical support plates (11), and two ends of the positioning table (2) are respectively connected with the two support plates (11) in a rotary mode through rotary shafts (22); the two ends of the positioning table (2) are positioned at two sides of the rotating shaft (22) and are respectively provided with a first ball plunger (23), one side surface of each support plate (11) opposite to the other side surface is respectively provided with an annular chute (111) coaxial with the rotating shaft (22), the intersection point positions of the annular chute (111) and a horizontal line and a vertical line passing through the center of the annular chute are respectively provided with a ball positioning groove (112), and the first ball plungers (23) are positioned in the corresponding ball positioning grooves (112).

3. The direct-lit backlight lighting and optical film attachment integrated device of claim 1, wherein: the turnover plate assembly (3) further comprises a fixed seat (32) and two supports (33), the two supports (33) are fixed on the fixed position table (2) through the fixed seat (32) and are positioned at the rear side of the product positioning groove, one end shaft of the turnover plate (31) is arranged between the two supports (33), and a limit column (34) for supporting the turnover plate (31) is arranged on the fixed seat (32).

4. The direct-lit backlight lighting and optical film attachment integrated device of claim 1, wherein: the locking mechanism comprises a rotating block (35) and a stop pin (36), the rotating block (35) is rotatably arranged at the end part of the turning plate (31), the stop pin (36) is fixed on the rotating block (35), an arc-shaped limiting chute (24) is arranged on the positioning table (2), and the stop pin (36) can slide in and out of the arc-shaped limiting chute (24) when the rotating block (35) rotates.

5. The direct-lit backlight illumination and optical film attachment integrated device of claim 4, wherein: a first magnet (37) for adsorbing the rotating block (35) is arranged on the turning plate (31); the positioning table (2) is positioned in the arc-shaped limiting chute (24) and is provided with a second ball plunger (25).

6. The direct-lit backlight lighting and optical film attachment integrated device of claim 1, wherein: the attaching mechanism (4) comprises an attaching pressing block (41), the attaching pressing block (41) is vertically slidably mounted on the turning plate (31), the lower end of the attaching pressing block (41) is provided with an attaching pressing portion, the bottom of the attaching pressing portion is provided with a plurality of vacuum adsorption holes (411), the turning plate (31) is provided with a containing hole, and the attaching pressing portion is arranged in the containing hole and provided with an adhesive tape locating groove (311).

7. The direct-lit backlight illumination and optical film attachment integrated device of claim 6, wherein: the device is characterized in that a stop block (38) and a guide column (39) are fixedly arranged on the turning plate (31), the guide column (39) is sleeved with the attaching pressing block (41) in a sliding mode, a spring (310) is arranged between the attaching pressing block (41) and the turning plate (31), and the attaching pressing block (41) is upwards stopped on the stop block (38) under the action of the elastic force of the spring (310).

8. The direct-lit backlight lighting and optical film attachment integrated device of claim 1, wherein: the positioning table (2) is also provided with a reference component (5) for aligning the optical film, and the reference component (5) comprises two reference seats (51) fixed at one end of the positioning table (2), two reference blocks (52) axially arranged on the reference seats (51) in one-to-one correspondence manner, and a reference connecting plate (53) fixedly connected with the two reference blocks (52).

9. The direct-lit backlight illumination and optical film attachment integrated device of claim 8, wherein: the reference base (51) is provided with a second magnet (54) for attracting the reference block (52).