CN220064551U - Attaching jig for light guide plate and lamp strip - Google Patents

Abstract

The embodiment of the utility model discloses a bonding jig for a light guide plate and a lamp strip, which relates to the technical field, and comprises a carrier plate, a pressing plate and a vacuum adsorption device; the carrier plate is provided with a first groove body and a second groove body; the first groove body is connected with the second groove body, and the depth of the first groove body is larger than that of the second groove body; the pressing plate is arranged above the carrier plate; the vacuum adsorption device is communicated with the first groove body; the vacuum adsorption device is used for adsorbing the lamp strip placed in the first groove body, the second groove body is used for placing the light guide plate, and the pressing plate is used for pressing the light guide plate to be attached to the lamp strip. The technical effects of rapid alignment, uniform lamination and high efficiency of the light bar and the light guide plate are achieved.

Description

Attaching jig for light guide plate and lamp strip

Technical Field

The utility model relates to the technical field of liquid crystal display modules, in particular to a fitting jig for a light guide plate and a lamp strip.

Background

In the backlight assembly production process of the liquid crystal display, the light guide plate is required to be attached to the lamp strip. The conventional light guide plate and light bar laminating operation requires manual operation to accurately align the head light bar and the light guide plate. Wherein, because the corner of light guide plate is sharp, staff snatchs the light guide plate and scratches the finger easily, has again to snatch the light guide plate and marks the light guide plate easily, often needs to increase the process of wiping after the laminating, leads to light guide plate and lamp strip laminating operating efficiency low. Manual alignment is also easily affected by human factors, has the problems of uneven lamination, unsmooth operation, conflict with an internal structure and the like, and causes low lamination operation efficiency of the light guide plate and the light bar, and small yield of qualified products and loss.

Disclosure of Invention

The technical problem to be solved by the embodiment of the utility model is that the lamp strip and the light guide plate are difficult to align, and the bonding efficiency of the lamp strip and the light guide plate is low.

In order to solve the above problems, an embodiment of the utility model discloses a bonding jig for a light guide plate and a light bar. The technical effects of rapid alignment, uniform lamination and high efficiency of the light bar and the light guide plate are achieved.

The utility model provides a fitting jig for a light guide plate and a light bar, which comprises a carrier plate, a pressing plate and a vacuum adsorption device, wherein the carrier plate is arranged on the carrier plate; the carrier plate is provided with a first groove body and a second groove body; the first groove body is connected with the second groove body, and the depth of the first groove body is larger than that of the second groove body; the pressing plate is arranged above the carrier plate; the vacuum adsorption device is communicated with the first groove body; the vacuum adsorption device is used for adsorbing the lamp strip placed in the first groove body, the second groove body is used for placing the light guide plate, and the pressing plate is used for pressing the light guide plate to be attached to the lamp strip.

The support plate is provided with a main air guide channel and a plurality of branch air guide channels, the plurality of branch air guide channels are communicated with the first groove body, and the main air guide channels are respectively connected with the vacuum adsorption device and the plurality of branch air guide channels.

The further technical scheme is that a plurality of branch air guide channels are uniformly arranged in the first groove body.

The vacuum adsorption device comprises a vacuum adsorption device, a main air guide channel, a valve body and an air pipe, wherein the main air guide channel is connected with the vacuum adsorption device through the air pipe, and the valve body is arranged on the air pipe.

The further technical scheme is that the device also comprises an air pressure display device, and the air pressure display device is arranged on the air pipe.

The vacuum adsorption device comprises a base, a support plate, a pressing plate, a vacuum adsorption device, a plurality of feet and a plurality of support plates, wherein the support plate, the pressing plate and the vacuum adsorption device are arranged on the base, and the feet are arranged below the base.

The air pipe is connected with the main air guide channel through the pipe joint.

The further technical scheme is that the device further comprises a fixing column body, the pressing plate is provided with a fixing groove, the base is provided with a fixing hole, and the fixing column body penetrates through the fixing hole to enter the fixing groove.

The further technical scheme is that the carrier plate is made of antistatic wood.

The further technical proposal is that the utility model also comprises a handle which is fixed on the pressing plate.

Compared with the prior art, the technical effects achieved by the embodiment of the utility model include:

firstly, the lamp strip in the first groove body is adsorbed by the vacuum adsorption device, so that the lamp strip can be unfolded smoothly. Secondly, the light guide plate is arranged on the second groove body, the first groove body and the second groove body are respectively set to be of preset sizes, and when the light guide plate is arranged in the second groove body and the light bar is arranged in the first groove body, the alignment operation of the light guide plate and the light bar is completed, and the alignment efficiency is higher. Finally, the laminating operation of the light guide plate and the lamp strip is completed through pressing the light guide plate and the lamp strip by the pressing plate, on one hand, the surface of the pressing plate is smooth, the pressing force applied to the light guide plate is more uniform, and therefore the light guide plate and the lamp strip can be more fully laminated, on the other hand, the finger pressing is not needed, the danger that the finger is scratched by the light guide plate is avoided, and the phenomenon that the finger mark is remained on the light guide plate is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a bonding fixture for a light guide plate and a light bar according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a bonding fixture for a light guide plate and a light bar according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a bonding fixture for a light guide plate and a light bar according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a bonding fixture for a light guide plate and a light bar according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a platen structure according to an embodiment of the present utility model;

fig. 6 is a schematic diagram illustrating a partial perspective view of a structure of a bonding fixture for a light guide plate and a light bar according to an embodiment of the present utility model.

Reference numerals

The vacuum adsorption device comprises a carrier plate 1, a pressing plate 2, a vacuum adsorption device 3, a first groove body 11, a second groove body 12, a main air guide channel 13, a branch air guide channel 14, a valve body 41, an air pipe 42, an air pressure display device 6, a pipe joint 51, a base 7, a foot 8, a fixing column 9, a fixing groove 21, a fixing hole 71 and a handle 10.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, in which like reference numerals represent like components. It will be apparent that the embodiments described below are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the embodiments of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of embodiments of the utility model. As used in the specification of the embodiments of the utility model and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

Referring to fig. 1-6, an embodiment of the utility model provides a bonding fixture for a light guide plate and a light bar. The attaching jig for the light guide plate and the light bar comprises a carrier plate 1, a pressing plate 2 and a vacuum adsorption device 3. The specific description of each component is as follows:

in this embodiment, the carrier 1 is provided with a first slot 11 and a second slot 12; the first groove body 11 is connected with the second groove body 12, and the depth of the first groove body 11 is larger than that of the second groove body 12; the pressing plate 2 is arranged above the carrier plate 1; the vacuum adsorption device 3 is communicated with the first groove body 11; the vacuum adsorption device 3 is used for adsorbing the light bars placed in the first groove body 11, the second groove body 12 is used for placing the light guide plate, and the pressing plate 2 is used for pressing the light guide plate to be attached to the light bars.

Specifically, the vacuum adsorption device 3 includes a vacuum generator, which is a novel, efficient, clean, economical and small-sized vacuum component for generating negative pressure by using a positive pressure air source, so that the negative pressure can be obtained at a place where compressed air exists or a place where positive and negative pressures are simultaneously required in a pneumatic system. The depth of the first groove 11 is greater than the depth of the second groove 12, so that when the light bar is placed in the first groove 11, the surface of the light bar is at the same level as the surface of the second groove 12. The surface of the pressing plate 2 is flat and is used for uniformly pressing the light guide plate so as to enable the light guide plate to be attached to the lamp strip.

The application process of the attaching jig for the light guide plate and the light bar is as follows:

before use, the vacuum adsorption device 3 needs to be started to check whether the gas passage is normal or not, and the gas pressure is regulated to a preset gas pressure value. First, the lamp strip in the first tank 11 is sucked by the vacuum suction device 3, so that the lamp strip can be spread smoothly. Secondly, the light guide plate is arranged on the second groove body 12, the first groove body 11 and the second groove body 12 are respectively set to be of preset sizes, and when the light guide plate is arranged in the second groove body 12 and the light bar is arranged in the first groove body 11, the alignment operation of the light guide plate and the light bar is completed, and the alignment efficiency is higher. Finally, the laminating operation of the light guide plate and the lamp strip is completed through the pressing plate 2, on one hand, the surface of the pressing plate 2 is smooth, the pressing force applied to the light guide plate is more uniform, and therefore the light guide plate and the lamp strip can be more fully laminated, on the other hand, the finger pressing is not needed, the danger that the finger is scratched by the light guide plate is avoided, and the phenomenon of residual finger marks of the light guide plate is avoided.

With continued reference to fig. 1-6, in this embodiment, the carrier plate 1 is further provided with a main air guide channel 13 and a plurality of branch air guide channels 14, where a plurality of branch air guide channels 14 are all communicated with the first tank 11, and the main air guide channel 13 is respectively connected with the vacuum adsorption device 3 and a plurality of branch air guides.

The plurality of branched air guide channels 14 are uniformly arranged in the first tank 11.

Specifically, the branched air guide channels 14 are uniformly arranged in the first groove 11, when the light bar is placed in the first groove 11, the vacuum adsorption device 3 works to generate negative air pressure for the main air guide channel 13 and the branched air guide channels 14, so that the light bar is uniformly and smoothly adsorbed in the first groove 11, and movement in the attaching process is prevented. The lamp strip is only required to be placed in the first groove body 11 according to the outline of the first groove body 11, and compared with the conventional manual grabbing lamp strip alignment light guide plate, the lamp strip alignment light guide plate is simpler and more convenient to attach.

Further, the vacuum adsorption device further comprises a valve body 41 and an air pipe 42, wherein the main air guide channel 13 is connected with the vacuum adsorption device 3 through the air pipe 42, and the valve body 41 is arranged on the air pipe 42.

Specifically, the valve body 41 includes a throttle valve for controlling the magnitude of the air pressure in the air pipe 42, and can adjust different air pressures to prevent damage to components caused by too high/too low air pressure. The air pipe 42 is used for changing the ventilation path, and in one embodiment, the air pipe 42 is used for communicating the vacuum adsorption device 3 and the main air guide channel 13, and a valve body 41 is provided for changing the air pressure in the air pipe 42.

Further, the air pressure display device 6 is further included, and the air pressure display device 6 is arranged on the air pipe 42.

Specifically, the air pressure display device 6 includes a vacuum gauge for displaying the air pressure in the air tube 42, and can also give an alarm for the instability of the air pressure in the air tube 42.

Further, the air pipe 42 is connected with the main air guide channel 13 through the pipe joint 5.

Specifically, the pipe joint 5 is used for connecting the head or tail of the air pipe 42, so that the air pipe 42 can be prevented from falling off, and the air pipes 42 with different sizes can be connected.

Further, the vacuum adsorption device further comprises a base 7 and a plurality of feet 8, wherein the carrier plate 1, the pressing plate 2 and the vacuum adsorption device 3 are all arranged on the base 7, and the feet 8 are all arranged below the base 7.

Specifically, the foot 8 is made of rubber, and the rubber is elastic and has a buffering function, and can prevent static electricity and prevent static electricity from being conducted. The vacuum adsorption device 3 is mounted on the base 7, so that the vacuum adsorption device 3 can move along with the base 7 when the base 7 is moved.

Further, the device also comprises a fixing column 9, the pressing plate 2 is provided with a fixing groove 21, the base 7 is provided with a fixing hole 71, and the fixing column 9 passes through the fixing hole 71 to enter the fixing groove 21.

Further, a grip 10 is provided, and the grip 10 is fixed to the platen 2.

Specifically, the fixing post 9 passes through the fixing hole 71 and enters the fixing groove 21, so that the pressing plate 2 is rotationally connected with the base 7, the pressing plate 2 rotates with the fixing post as an axis, the pressing plate 2 rotates to be close to/far away from the carrier plate 1, the accurate position of the pressing plate 2 is fixed, sliding is prevented, and the accurate alignment of the pressing plate 2 to the carrier plate 1 is maintained. In an embodiment, a handle 10 is further disposed above the pressing plate 2, and the handle 10 can improve the operation feeling of manually rotating the pressing plate 2.

Further, the carrier plate 1 is made of antistatic wood.

Specifically, the antistatic wood is a characteristic material, has the advantages of antistatic property, light weight and portability, and the carrier plate 1 is made of antistatic wood, so that the damage of static electricity to the light guide plate and the light bar placed on the carrier plate 1 is avoided.

In the foregoing embodiments, the descriptions of the embodiments are focused on, and for those portions of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be attached, detached, or integrated, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms should not be understood as necessarily being directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, one skilled in the art can combine and combine the different embodiments or examples described in this specification.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a laminating tool for light guide plate and lamp strip which characterized in that includes carrier plate, clamp plate and vacuum adsorption device; the carrier plate is provided with a first groove body and a second groove body; the first groove body is connected with the second groove body, and the depth of the first groove body is larger than that of the second groove body; the pressing plate is arranged above the carrier plate; the vacuum adsorption device is communicated with the first groove body; the vacuum adsorption device is used for adsorbing the lamp strip placed in the first groove body, the second groove body is used for placing the light guide plate, and the pressing plate is used for pressing the light guide plate to be attached to the lamp strip.

2. The fitting jig for a light guide plate and a light bar according to claim 1, wherein the carrier plate is further provided with a main air guide channel and a plurality of branch air guide channels, the plurality of branch air guide channels are all communicated with the first groove body, and the main air guide channels are respectively connected with the vacuum adsorption device and the plurality of branch air guide channels.

3. The fitting jig for a light guide plate and a light bar according to claim 2, wherein the plurality of branched air guide channels are uniformly arranged in the first groove body.

4. The fitting jig for a light guide plate and a light bar according to claim 2, further comprising a valve body and an air pipe, wherein the main air guide channel is connected with the vacuum adsorption device through the air pipe, and the valve body is arranged on the air pipe.

5. The fitting jig for a light guide plate and a light bar according to claim 4, further comprising an air pressure display device, wherein the air pressure display device is disposed on the air pipe.

6. The fitting jig for a light guide plate and a light bar according to claim 4, further comprising a pipe joint, wherein the air pipe is connected with the main air guide channel through the pipe joint.

7. The fitting jig for a light guide plate and a light bar according to claim 1, further comprising a base and a plurality of feet, wherein the carrier plate, the pressing plate and the vacuum adsorption device are all arranged on the base, and the feet are all arranged below the base.

8. The fitting jig for a light guide plate and a light bar according to claim 7, further comprising a fixing column, wherein the pressing plate is provided with a fixing groove, the base is provided with a fixing hole, and the fixing column passes through the fixing hole to enter the fixing groove.

9. The fitting jig for a light guide plate and a light bar according to claim 1, wherein the carrier plate is made of antistatic wood.

10. The fixture for attaching a light guide plate to a light bar of claim 8, further comprising a grip secured to the platen.