阅读说明：本技术 保有预定撕除边料的导光板制造组装机构及其制造组装方法 (Manufacturing and assembling mechanism for light guide plate with preset tearing off rim charge and manufacturing and assembling method thereof ) 是由 李明彦 于 2021-08-17 设计创作，主要内容包括：本发明提供一种保有预定撕除边料的导光板制造组装机构及其制造组装方法,其卷对卷导光片材产出装置产出有外型裁切线与盲孔线构成封闭环路的未切割导光板。卷对卷附膜机将保护膜覆盖于未切割导光板背面,再通过雷射切割机自正面沿封闭环路裁切,裁切时沿外型裁切线融断板体及保护膜,且沿盲孔线缩小功率使其半融断而对应的保护膜未融断。再通过裁切机于封闭环路外切割形成搬运尺寸,并以机械手臂将其堆栈成批。最后于显示面板组装线沿盲孔线将板材掰断,同时撕除保护膜,取得封闭环路外型的导光板成品进行组装。(The invention provides a manufacturing and assembling mechanism and a manufacturing and assembling method of a light guide plate with preset torn edges. And covering the protective film on the back of the uncut light guide plate by a roll-to-roll film attaching machine, cutting along a closed loop from the front by a laser cutting machine, fusing the plate body and the protective film along an external cutting line during cutting, and reducing power along the blind hole line to half fuse the plate body and the protective film so as to enable the corresponding protective film not to be fused. And cutting the outer part of the closed loop by a cutting machine to form a carrying size, and stacking the carrying size in batches by a mechanical arm. And finally, breaking off the plate along the blind hole line in a display panel assembly line, and tearing off the protective film to obtain a light guide plate finished product in the shape of a closed loop for assembly.)

1. A light guide plate manufacturing and assembling mechanism with preset tearing off of rim charge is characterized by comprising:

a light guide plate producing machine set, comprising:

the roll-to-roll light guide plate sheet production device is used for continuously producing an uncut light guide plate, wherein a plurality of shape cutting lines and a plurality of blind hole lines are defined on the uncut light guide plate, and each shape cutting line and each blind hole line jointly form a closed loop;

a roll-to-roll film attaching machine arranged on one side of the roll-to-roll light guide plate sheet producing device and used for continuously covering a protective film on the back of the uncut light guide plate;

a precision laser cutting machine for cutting along the closed loop from the front surface of the uncut light guide plate to define the uncut light guide plate into a plurality of first pre-processed light guide plates; when the precision laser cutting machine cuts the uncut light guide plate, the uncut light guide plate and the protective film are fused along each appearance cutting line, and the blind hole line position of the uncut light guide plate is in a half fused state and the corresponding protective film is in an uncut state by reducing power along the blind hole line;

the cutting machine is arranged on one side of the precision laser cutting machine and used for cutting each first pretreatment light guide plate outside the closed loop into at least one second pretreatment light guide plate according with the carrying size; and

the mechanical arm is arranged on one side of the cutting machine and is used for stacking the second pretreatment light guide plates in batches; and

and the display panel assembling unit is arranged on one side of the light guide plate production unit and is used for placing at least one display panel with the back face upward, taking out any one of the second pretreated light guide plates one by one from the second pretreated light guide plates in batches, breaking off the second pretreated light guide plates along the blind hole line and tearing off the protective film, thus obtaining a light guide plate finished product with the shape of a closed loop and assembling the light guide plate finished product on the display panel.

2. The mechanism of claim 1, wherein the mechanism for manufacturing and assembling a light guide plate with a predetermined tearing off rim charge,

wherein the closed loop is circular.

3. The mechanism of claim 1, wherein the mechanism for manufacturing and assembling a light guide plate with a predetermined tearing off rim charge,

the shape of the closed loop is the same as the shape of the second pretreated light guide plates, and the finished light guide plate is formed by reducing the two pretreated light guide plates in equal proportion.

4. The mechanism of claim 1, wherein the mechanism for manufacturing and assembling a light guide plate with a predetermined tearing off rim charge,

and cutting each first pretreated light guide plate outside the closed loop to form more than two second pretreated light guide plates.

5. The mechanism of claim 1, wherein the mechanism for manufacturing and assembling a light guide plate with a predetermined tearing off rim charge,

and a two-dimensional bar code and/or a stack number are/is arranged in the area of each second pretreatment light guide plate outside the closed loop.

6. A manufacturing and assembling method of a light guide plate with preset tearing off rim charge is characterized by comprising the following steps:

executing a light guide plate production step, comprising:

continuously producing an uncut light guide plate by using a roll-to-roll light guide plate sheet production device, wherein the uncut light guide plate is defined with a plurality of shape cutting lines and a plurality of blind hole lines, and each shape cutting line and each blind hole line jointly form a closed loop;

continuously covering a protective film on the back of the uncut light guide plate by using a roll-to-roll film attaching machine;

cutting the uncut light guide plate from the front side of the uncut light guide plate along the closed loop by using a precision laser cutting machine, and further defining the uncut light guide plate into a plurality of first pretreatment light guide plates respectively; when the precision laser cutting machine cuts the uncut light guide plate, the uncut light guide plate and the protective film are fused along each appearance cutting line, and the blind hole line position of the uncut light guide plate is in a half fused state and the corresponding protective film is in an uncut state by reducing power along the blind hole line;

cutting each first pretreatment light guide plate outside the closed loop into at least one second pretreatment light guide plate according with the carrying size by using a cutting machine; and

stacking the second preprocessing light guide plates in batches by using a mechanical arm; and

and executing a display panel assembly step, namely placing the back of at least one display panel upwards at an assembly end, taking out any one of the second pretreatment light guide plates from the second pretreatment light guide plates stacked in batches one by one, breaking the second pretreatment light guide plates along the blind hole line, tearing off the protective film, and further obtaining a light guide plate finished product in the shape of the closed loop and assembling the light guide plate finished product on the display panel.

7. The method for manufacturing and assembling a light guide plate having a predetermined tear-off margin as set forth in claim 6,

wherein the closed loop is circular.

8. The method for manufacturing and assembling a light guide plate having a predetermined tear-off margin as set forth in claim 6,

the shape of the closed loop is the same as that of the second pretreated light guide plate, and the finished light guide plate is formed by reducing the second pretreated light guide plate in equal proportion.

9. The method for manufacturing and assembling a light guide plate having a predetermined tear-off margin as set forth in claim 6,

and cutting each first pretreated light guide plate outside the closed loop to form more than two second pretreated light guide plates.

10. The method for manufacturing and assembling a light guide plate having a predetermined tear-off margin as set forth in claim 6,

laser engraving is carried out on the area outside the closed loop of each second pretreatment light guide plate to form a stack number and/or spraying is carried out on the area outside the closed loop of each second pretreatment light guide plate to form a two-dimensional bar code.

Technical Field

The invention relates to the field of light guide plate production and manufacturing and display panel assembly, in particular to a light guide plate manufacturing and assembling mechanism with preset tearing off scraps and a manufacturing and assembling method thereof.

Background

In the manufacturing process of the light guide plate, after various optical structures are formed on the plate material, the plate material is delivered. Generally, a protective film is coated on a plate material in an off-line coating manner to prevent the light guide plate from being damaged during transportation. Meanwhile, in order to improve the efficiency and speed of transportation, the light guide plates are stacked vertically to form a plurality of light guide plates (lot) for transportation.

The above method causes many problems when the protection film is to be removed from the assembly end. The protective film can ensure that the surface of the light guide plate is not scratched and damaged by external force, and can form a close attaching state with the surface of the light guide plate in principle, so that the protective film is not easy to tear and remove in a whole surface by a force application point. In order to solve this problem, some manufacturers propose that the protective film with a special structure does not cause rebound scratch when being torn off; or the position of uncovering the protective film is changed through the design of the pull handle, so that the uncovering acting force is reduced; or by restricting the viscosity coefficient of the protective film to improve the difficulty of removing. The above-mentioned prior art solves the problem by performing structural modification on the protection film itself or adjusting the material characteristics of the protection film, but these technical means derive additional processes and costs from the manufacturing aspect.

Returning to the transportation aspect, since the pallet for carrying the light guide plate is generally square, when the light guide plate product is not a common rectangular plate, a lot of filler must be inserted between the light guide plates to fill the offset area, which requires a lot of filler cost and also produces more garbage. Therefore, for the light guide plate with a special shape, the transportation process is further inconvenient and the derived garbage and material costs are high.

In view of the above, the present inventors have conceived and proposed a light guide plate manufacturing and assembling mechanism and a manufacturing and assembling method thereof that can effectively solve the defects of the light guide plate product in transportation and subsequent assembly based on the abundant experiences of years in related industries.

Disclosure of Invention

An object of the present invention is to provide a manufacturing and assembling mechanism for a light guide plate with a predetermined tearing off rim charge and a manufacturing and assembling method thereof, which can improve the transportation stability and safety of the light guide plate and the tearing off convenience of the protective film in the subsequent assembly, thereby greatly improving the overall yield and product quality of the finished light guide plate, and solving the difficulty in tearing off the protective film.

The invention solves the technical problems through the following technical scheme:

the utility model provides a keep in light guide plate manufacturing equipment mechanism of predetermined tear leftover bits which characterized in that contains: a light guide plate producing machine set, comprising: the roll-to-roll light guide plate sheet production device is used for continuously producing an uncut light guide plate, wherein a plurality of shape cutting lines and a plurality of blind hole lines are defined on the uncut light guide plate, and each shape cutting line and each blind hole line jointly form a closed loop; a roll-to-roll film attaching machine arranged on one side of the roll-to-roll light guide plate sheet producing device and used for continuously covering a protective film on the back of the uncut light guide plate; a precision laser cutting machine for cutting along the closed loop from the front surface of the uncut light guide plate to define the uncut light guide plate into a plurality of first pre-processed light guide plates; when the precision laser cutting machine cuts the uncut light guide plate, the uncut light guide plate and the protective film are fused along each appearance cutting line, and the blind hole line position of the uncut light guide plate is in a half fused state and the corresponding protective film is in an uncut state by reducing power along the blind hole line; the cutting machine is arranged on one side of the precision laser cutting machine and used for cutting each first pretreatment light guide plate outside the closed loop into at least one second pretreatment light guide plate according with the carrying size; the mechanical arm is arranged on one side of the cutting machine and used for stacking the second pretreatment light guide plates in batches; and the display panel assembling unit is arranged on one side of the light guide plate production unit and is used for placing the back of at least one display panel upwards, taking out any one of the second pretreated light guide plates from the second pretreated light guide plates in batches one by one, breaking the second pretreated light guide plates along the blind hole line and tearing off the protective film, and further obtaining a light guide plate finished product in the shape of a closed loop and assembling the light guide plate finished product on the display panel. Therefore, the light guide plate is reserved with the leftover materials for subsequent removal through the pre-processing treatment in the production stage of the light guide plate, and the assembly can be completed quickly by breaking off the broken connecting belt of the leftover materials and tearing off the protective film during the assembly treatment. Meanwhile, the light guide plate can maintain the structural integrity through the reserved strippable rim charge, and even if the finished product of the light guide plate to be assembled does not belong to a rectangular shape, the finished product can still be stably stacked and carried through tools such as a pallet and the like, so that the cost for filling objects in an offset area to avoid slippage of the finished product and the generated additional garbage are saved.

Preferably, the closed loop is circular, so that the plate is rectangular for convenient carrying and is changed into a circular plate suitable for a special model.

Preferably, the shape of the closed loop is the same as the shape of the second pretreated light guide plates, the finished light guide plate is formed by reducing the second pretreated light guide plates in equal proportion, and the finished light guide plate is formed by reducing the second pretreated light guide plates in equal proportion, that is, the finished light guide plate can be a structure formed by cutting the light guide plates into small pieces.

Preferably, each of the first preprocessed light guide plates is cut outside the closed loop to form more than two second preprocessed light guide plates, so that each of the first preprocessed light guide plates can be made into a plurality of second preprocessed light guide plates.

Preferably, each of the second preprocessed light guide plates is provided with a two-dimensional bar code and/or a stack number in an area outside the closed loop.

The invention also relates to a manufacturing and assembling method of the light guide plate with the preset tearing off rim charge, which is characterized by comprising the following steps: executing a light guide plate production step, comprising: continuously producing an uncut light guide plate by using a roll-to-roll light guide plate sheet production device, wherein the uncut light guide plate is defined with a plurality of shape cutting lines and a plurality of blind hole lines, and each shape cutting line and each blind hole line jointly form a closed loop; continuously covering a protective film on the back of the uncut light guide plate by using a roll-to-roll film attaching machine; cutting the uncut light guide plate from the front side of the uncut light guide plate along the closed loop by using a precision laser cutting machine, and further defining the uncut light guide plate into a plurality of first pretreatment light guide plates respectively; when the precision laser cutting machine cuts the uncut light guide plate, the uncut light guide plate and the protective film are fused along each appearance cutting line, and the blind hole line position of the uncut light guide plate is in a half fused state and the corresponding protective film is in an uncut state by reducing power along the blind hole line; cutting each first pretreatment light guide plate outside the closed loop into at least one second pretreatment light guide plate according with the carrying size by using a cutting machine; stacking the second preprocessing light guide plates in batches by using a mechanical arm; and executing a display panel assembly step, namely placing the back of at least one display panel upwards at an assembly end, taking out any one of the second pretreatment light guide plates from the second pretreatment light guide plates stacked in batches one by one, breaking the second pretreatment light guide plates along the blind hole line, tearing off the protective film, and further obtaining a light guide plate finished product in the shape of the closed loop and assembling the light guide plate finished product on the display panel. Similarly, the light guide plate manufacturing and assembling method also processes in advance during the light guide plate production to reserve the edge material part for removing during the subsequent assembly, and achieves the effects of quickly tearing off the protective film and enabling the light guide plate finished product to be assembled to the display panel to have a preset shape by the edge materials, thereby being beneficial to transporting the light guide plate in a stack batch mode without filling objects to prevent the deviation of the light guide plate, and also providing a quick and convenient protective film tearing mode at the assembling end.

Preferably, the closed loop is circular.

Preferably, the shape of the closed loop is the same as the shape of the second pretreated light guide plate, and the finished light guide plate is formed by reducing the second pretreated light guide plate in equal proportion.

Preferably, each of the first preprocessed light guide plates is cut outside the closed loop to form more than two second preprocessed light guide plates.

Preferably, a stack number is formed by laser engraving in an area outside the closed loop of each of the second light guide plates and/or a two-dimensional barcode is formed by spraying in an area outside the closed loop of each of the second light guide plates.

In summary, the light guide plate manufacturing and assembling mechanism and the manufacturing and assembling method thereof according to the present invention utilize the pre-treatment process during the light guide plate manufacturing process to maintain the plate body shape without cutting off and form the following edge material for stripping, so that the risk of offset during the stack transportation process is small, the transportation stability is greatly enhanced, the cost waste caused by filling the article in the offset area can be omitted, and especially for the light guide plate product with irregular shape, the problem of stack transportation can be reliably solved. In the assembling process of back end, can tear the protection film jointly through breaking off the rim charge off with the fingers and thumb, so can environmental protection separation retrieve, also effectively solve the problem of difficult dyestripping. Furthermore, the light guide plate manufacturing mechanism and the method can effectively achieve various plate body changes such as large cutting, small cutting, multiple cutting, square cutting, round cutting and the like, and simultaneously can directly utilize the rim charge area to set stack numbers and two-dimensional bar codes, thereby being beneficial to confirming the state of the light guide plate for delivery.

Drawings

Fig. 1A is a schematic view (a) of an assembly mechanism for manufacturing a light guide plate according to an embodiment of the present invention.

Fig. 1B is a schematic view (two) of an assembly mechanism for manufacturing a light guide plate according to an embodiment of the present invention.

Fig. 2A is a schematic view of an uncut light guide plate according to an embodiment of the invention.

FIG. 2B is a schematic diagram of a precision laser cutting machine according to an embodiment of the present invention cutting an uncut light guide plate to form a first pre-processed light guide plate.

Fig. 2C is a schematic cross-sectional view of a first pretreated light guide plate according to an embodiment of the invention.

Fig. 2D is a schematic view illustrating a process of cutting the first pretreated light guide plate to form a second pretreated light guide plate by the cutting machine according to the embodiment of the present invention.

Fig. 2E is a schematic view illustrating an application of the second pretreated light guide plate stacked by the robot according to an embodiment of the present invention.

Fig. 3 is a schematic diagram illustrating an application of removing a protective film according to an embodiment of the present invention.

Fig. 4 is a schematic view of a second pretreated light guide plate according to another embodiment of the present invention.

Fig. 5 is a schematic view of a first pretreated light guide plate according to still another embodiment of the present invention.

Fig. 6A is a flowchart (a) illustrating a step of a method for manufacturing and assembling a light guide plate according to an embodiment of the invention.

Fig. 6B is a flowchart (two) illustrating steps of a method for manufacturing and assembling a light guide plate according to an embodiment of the present invention.

Detailed Description

The invention will be more clearly and completely described by way of example in the following with reference to the accompanying drawings.

As mentioned above, when the light guide plate is manufactured and transported, in order to prevent the light guide plate from being damaged by dirt, the protective film is covered on the plate body, and then the protective film is torn off to be assembled to the module structure to be applied. However, the major problems encountered in the current practice are that the protective film is not easy to be torn off and a large amount of filler is required to be used for transporting the non-rectangular light guide plate to prevent the offset collision. Therefore, the present invention provides a manufacturing and assembling mechanism of a light guide plate with a predetermined tearing off rim charge and a manufacturing and assembling method thereof, which provides a semi-broken contact point by retaining external raw materials and conveying them together, and combining with a laser cutting technology, thereby effectively solving the problems of transportation and film tearing of the light guide plate. The following detailed description is directed to the mechanism and method for manufacturing and assembling a light guide plate, and the accompanying drawings are included to illustrate the technical features of the present invention, and it should be understood by those skilled in the art that the structure does not represent actual shape, size, or scale.

Please refer to fig. 1A and 1B, which are schematic diagrams (a) and (B) illustrating a manufacturing and assembling mechanism of a light guide plate according to an embodiment of the present invention. The present invention provides a light guide plate manufacturing and assembling mechanism with preset edge material tearing and removing function, which comprises a light guide plate production unit 10 and a light guide plate assembling unit 11. The light guide plate production unit 10 has a roll-to-roll light guide plate sheet production apparatus 101, a roll-to-roll film coating machine 102, a precision laser cutter 103, a cutter 104, and a robot arm 105.

Fig. 1A and 2A are combined, wherein fig. 2A is a schematic view of an uncut light guide plate according to an embodiment of the invention. The roll-to-roll light guide plate sheet producing device 101 is used for continuously producing an uncut light guide plate 2, the uncut light guide plate 2 is defined with a plurality of shape cutting lines 30 and a plurality of blind hole lines 31, and each shape cutting line 30 and each blind hole line 31 together form a closed loop 3. The roll-to-roll light guide plate sheet producing device 101 is used to produce a light guide plate from a plastic substrate, which may be rolled plastic or plastic particles placed in a raw material tank for heating and melting, and then output from a pressing die head, and then processed by the roll-to-roll light guide plate sheet producing device 101 to produce an uncut light guide plate 2. At this stage, the optical design required for the light guide plate is basically completed, and the shape of the closed loop 3 is defined on the uncut light guide plate 2 according to the requirement.

The roll-to-roll coater 102 is disposed on one side of the roll-to-roll light guide plate sheet producing device 101 for continuously covering the back surface of the uncut light guide plate 2 with a protective film 4. The roll-to-roll film attaching machine 102 has a film roll and is correspondingly disposed at a position of the back of the uncut light guide plate 2, so as to attach the protective film 4 to the back of the uncut light guide plate 2 when the uncut light guide plate 2 moves according to the production line. In practice, functional roller functions such as positioning, leveling, and heat preservation are applied to the sheet by the roll-to-roll mechanism, so that the entire roller group is quite complicated, and for conveniently illustrating the main functions of the roll-to-roll light guide plate sheet producing device 101 and the roll-to-roll film-coating machine 102, only the rollers with main functions are illustrated in fig. 1A, and the rest of more detailed roller structures are not important in the present application, and thus are not repeated herein.

Referring to fig. 1A, 2B and 2C, fig. 2B and 2C are a schematic processing diagram of a precision laser cutting machine cutting an uncut light guide plate to form a first pre-processed light guide plate and a schematic cross-sectional view of the first pre-processed light guide plate, respectively. The precision laser cutting machine 103 is used to cut the uncut light guide plate 2 along each closed loop 3 from the front surface thereof, so as to define the uncut light guide plate 2 into a plurality of first pre-processed light guide plates 5. When the precision laser cutting machine 103 cuts the uncut light guide plate 2, the uncut light guide plate 2 and the protective film 4 are melted along the shape cutting lines 30, and the power is reduced along the blind hole lines 31 to make the positions of the blind hole lines 31 of the uncut light guide plate 2 in a half-melted state and the corresponding protective film 4 in an uncut state. After the uncut light guide plate 2 is attached to the protective film 4, the uncut light guide plate is cut by the precision laser cutting machine 103, and a half-broken contact point is provided on the plate body through power control, so that the uncut light guide plate can be used as a force application part for tearing off the protective film 4, and the convenience of film tearing can be improved. For convenience, in fig. 2B, the portion of the outer shape cutting line 30 that has been completely cut by the precision laser cutter 103 is shown by a solid line, and the portion of the blind hole line 31 that has not been completely cut by the precision laser cutter 103 is shown by a broken line.

Referring to fig. 1A and 2D, fig. 2D is a schematic view illustrating a process of cutting the first pretreated light guide plate to form the second pretreated light guide plate by the cutting machine according to an embodiment of the present invention. The cutting machine 104 is disposed on one side of the precision laser cutting machine 103, and is used for cutting each first pre-processed light guide plate 5 outside the closed loop 3 into at least one second pre-processed light guide plate 6 meeting the transportation size. After the uncut light guide plate 2 is cut along each closed loop 3 by the precision laser cutting machine 103, the area corresponding to each closed loop 3 will form the aforementioned first pre-processed light guide plate 5, and then each first pre-processed light guide plate 5 is cut according to the carrying size by the cutting machine 104 to form each separated second pre-processed light guide plate 6. The cutting machine 104 may also be a laser machine with lower precision, so as to cut the first pre-processed light guide plate 5 by laser cutting, although the other machines capable of cutting the plate body can also be applied. The cutting path shown is only a preferred illustration, and it is actually possible to control the cutter 104 to cut in a rectangular cutting path.

Fig. 1A and 2E are combined, wherein fig. 2E is an application schematic diagram of a second pretreatment light guide plate stacked on a robot according to an embodiment of the present invention. The robot 105 is disposed at one side of the cutter 104, and is used for stacking the second light guide plates 6 in batches. Each second light guide plate 6 to be preprocessed after being cut and separated is moved to the pallet favorable for carrying through the mechanical arm 105, and vertically stacked upwards until falling, so that the subsequent carrying operation is favorable. Meanwhile, because the second pretreated light guide plate 6 actually comprises the external raw material of the area except the closed loop 3 through the processing procedure, the whole body still keeps a rectangular shape, compared with the pallet which is also a square shape, the risk of offset in the shifting process after stack packaging can be greatly reduced, and meanwhile, if the stability of stacking the light guide plates is enhanced, only a small amount of filling material is needed to be used for filling the area which is easy to offset, so that a large amount of garbage can not be generated. In addition, the second pretreated light guide plate 6 manufactured by the light guide plate manufacturing unit 10 can protect the single surface of the next light guide plate during stacking by protecting the single surface of the previous light guide plate in a dust-free room during the manufacturing process, so that the second pretreated light guide plate can be protected during the transportation process and can be prevented from being scratched. The plate body stacking state shown in each figure is only an application example, and is not limited to being capable of being stacked in this way.

After the second preprocessed light guide plates 6 stacked in batches are transported to the display panel assembling unit 11 by the pallet, the operations of film tearing and assembling are performed by the display panel assembling unit 11. Referring to fig. 1B and 3, fig. 3 is a schematic diagram illustrating a tearing application of the protective film according to an embodiment of the invention. The display panel assembly unit 11 is disposed at one side of the light guide plate production unit 10, and is configured to place at least one display panel 9 with the back facing upward, take out any one of the second pretreated light guide plates 6 one by one from the second pretreated light guide plates 6 in batch, break the second pretreated light guide plate 6 along the blind hole line 31, tear off the protective film 4, and obtain a light guide plate finished product 7 in the shape of the closed loop 3, and assemble the light guide plate finished product 7 on the display panel 9. The display panel assembling unit 11 may be a fully automated machine, such as a moving device, a clamping device, a fixing device, or a semi-automated machine. In one embodiment, the display panel assembly 11 has a plurality of moving devices 111, 112 capable of moving in multiple directions, such as a robot arm or a moving gantry, to perform the operations of placing the display panel 9 with the back side facing upward, taking out the second light guide plate 6 for preprocessing, assembling the finished light guide plate 7 on the back side of the display panel 9, and the like, and the operations of breaking the second light guide plate 6 for preprocessing and tearing off the protective film 4 along the blind hole line 31 can be performed in a manual-assisted manner, and can also be implemented by an automated actuating mechanism designed correspondingly. For example, after the second pretreated light guide plate 6 is transported to the display panel assembling unit 11, the moving device 111 first places the display panel 9 on the working platform with the back face facing upward, and takes out any one of the second pretreated light guide plates 6 from the stacked second pretreated light guide plates 6, and then breaks off the rim charge of the second pretreated light guide plate 6, i.e., the region outside the closed loop 3, along the blind hole line 31 by an actuating mechanism or a manpower-assisted manner, so that the rim charge is separated from the protective film 4 and simultaneously torn off, and thus the protective film 4 can be torn off at a good lifting angle by the rim charge stripping manner, thereby solving the inconvenience of removing the protective film 4 during assembling and being quite convenient for subsequent recycling. Finally, the finished light guide plate 7 in the shape of the closed loop 3 is assembled on the back side of the display panel 9. In fig. 1B, the edge trim is peeled off along the blind hole line 31 to remove the protection film 4, so that the edge trim is shown in a cross-sectional view, and the practical application is shown in fig. 3, in which the edge trim is directly peeled off and the protection film 4 is removed.

Accordingly, the aforementioned light guide plate manufacturing and assembling mechanism 10 adopts a production method for attaching the protective film 4 in the production line, so as to keep the plate clean, and processes the exterior trimming line 30 and the blind via line 31 with different powers by the precision laser cutting machine 103, thereby forming a completely-melted and semi-melted structural region, and further effectively solving the problem of film tearing during assembly. And then the cutting machine 104 cuts the board body to reserve the partial raw material outside the closed loop 3, so as to form the size and shape of each board body which are beneficial to transportation, thereby solving the problem of migration of stack transportation, especially when the shape of the final light guide plate finished product 7 is not a conventional rectangle, the edge material is reserved to keep the board body as the shape and size which are beneficial to transportation and stacking, compared with the existing mode, the filling material filled in the migration area of the board body can be greatly reduced, thereby reducing the garbage amount and the transportation cost. At the assembling end, the edge material, namely, the plate body area outside the closed loop 3, which is reserved in advance, and the semi-melting processing can be used for quickly and conveniently peeling and tearing off the edge material and the protective film 4 along the blind hole line 31, so that the problem of difficult film tearing can be solved, and the film material is convenient to recycle.

Further, according to different production requirements, after the uncut light guide plate 2 is produced by the roll-to-roll light guide plate sheet producing device 101, the closed loop 3 defined thereon can be implemented in various shapes and sizes, for example, like this embodiment, taking the closed loop 3 as a circle, so that after the rim charge is broken and the protective film 4 is torn off, a circular light guide plate finished product 7 can be obtained.

Alternatively, please refer to fig. 4, which is a schematic diagram of a second pretreated light guide plate according to another embodiment of the present invention, in this embodiment, the shape of the closed loop 3 is the same as the shape of the second pretreated light guide plate 6, and the finished light guide plate 7 is obtained by scaling down the second pretreated light guide plate 6, i.e., forming an application with a large size.

Fig. 5 is a schematic view of a first pretreated light guide plate according to still another embodiment of the present invention. In this embodiment, the first light guide plates 5 are cut outside the closed loop 3 to form two or more second light guide plates 6, i.e., one or more cut applications can be formed. Accordingly, the closed loops 3 defined on the uncut light guide plate 2 are arranged according to the number of the second pre-processed light guide plates 6 to be cut and formed subsequently, so that a plurality of closed loops 3 are formed on each first pre-processed light guide plate 5 processed and formed by the precision laser cutting machine 103, and then a plurality of second pre-processed light guide plates 6 can be cut and formed by the cutting machine 104. For example, as shown in fig. 5, each first light guide plate 5 has four closed loops 3, and when the subsequent cutting machine 104 cuts the light guide plates along the periphery of each closed loop 3, four second light guide plates 6 are formed, and the first light guide plates 5 are cut to form a plurality of second light guide plates 6.

In addition, in order to facilitate rapid confirmation of the number of stacks, the information of the boards, and the like, a two-dimensional bar code 60 and/or a stack number 61 is disposed on the area of each second pretreatment light guide plate 6 outside the closed loop 3, as shown in fig. 2D, 2E, or 3. Accordingly, the inconvenience of secondary counting of the number of stacks in the past can be solved by using the reserved removable edge material area. The two-dimensional bar code 60 corresponding to the detailed information of each light guide plate product can also be arranged in a removable rim charge area, so that the pollution risk can be avoided, and the two-dimensional bar code 60 can not influence the finished light guide plate product.

Please refer to fig. 6A, which is a flowchart illustrating a step of a method for manufacturing and assembling a light guide plate according to an embodiment of the invention (i.e., refer to fig. 2A in combination). The invention also provides a manufacturing and assembling method of the light guide plate with the preset tearing off rim charge, which comprises the following steps. First, a light guide plate production step is performed, wherein the light guide plate production step includes continuously producing an uncut light guide plate 2 by using a roll-to-roll light guide plate sheet production device 101, the uncut light guide plate 2 defines a plurality of shape trimming lines 30 and a plurality of blind hole lines 31, and each shape trimming line 30 and each blind hole line 31 together form a closed loop 3 (S101). Regarding the manufacture of the light guide plate, the plastic substrate is first embossed by a roller set to form an uncut light guide plate 2 with a continuous structure, and the uncut light guide plate 2 is defined with an outer shape trimming line 30 and a blind hole line 31.

Next, a protective film 4 is continuously covered on the back surface of the uncut light guide plate 2 by a roll-to-roll film coating machine 102 (step S102). After the uncut light guide plate 2 is manufactured, the production line is advanced continuously, so that the protective film 4 is attached to the back surface of the uncut light guide plate 2 through the roll-to-roll film attaching machine 102, and the plate body is protected from being damaged in subsequent transportation.

Referring to fig. 2B and 2C, after covering the protective film 4, a precision laser cutting machine 103 is used to cut the front surface of the uncut light guide plate 2 along the closed loop 3, so as to define the uncut light guide plate 2 into a plurality of first pre-processed light guide plates 5; when the precision laser cutting machine 103 cuts the uncut light guide plate 2, the uncut light guide plate 2 and the protective film 4 are melted along the outer shape cutting lines 30, and the power is reduced along the blind hole lines 31 to make the positions of the blind hole lines 31 of the uncut light guide plate 2 in a half-melted state and the corresponding protective film 4 in an uncut state (step S103). After the uncut light guide plate 2 is covered with the protection film 4, the plate body is completely melted and incompletely melted by the precision laser cutting machine 103, so that each first pre-processed light guide plate 5 is in a state of keeping the raw material of the rim charge, thereby facilitating the subsequent carrying and film tearing operation.

Please refer to fig. 6B, which is a flowchart illustrating a step of a method for manufacturing and assembling a light guide plate with a predetermined torn edge material according to an embodiment of the present invention (i.e., fig. 2D). Next, a cutting machine 104 is used to cut each first pretreated light guide plate 5 outside the closed loop 3 into at least one second pretreated light guide plate 6 meeting the transportation size (step S104). After the first light guide plate 5 is formed, the first light guide plate 5 is cut into the separated second light guide plates 6 by a cutting machine 104 such as a laser according to a predetermined conveyance size.

The last step of the light guide plate production process is to stack the second pre-processed light guide plates 6 in batches by a robot 105 (step S105). Referring to fig. 2E again, after the separated second pre-processed light guide plates 6 are manufactured, they can be moved forward along the production line and stacked one by one on the object to be transported, such as a pallet, by the robot 105, so as to be moved to the assembly area. According to the size of the second preprocessed light guide plate 6, the size of the pallet and the like, a single batch or a plurality of batches of the second preprocessed light guide plates 6 can be simultaneously stacked on the pallet, and the second preprocessed light guide plates 6 are rectangular plates which are reserved with edge material raw materials and accord with the carrying size, so that the offset risk can be greatly reduced in stacking and carrying, and the carrying efficiency and stability of the light guide plates are improved.

Referring to fig. 3 again, after the light guide plate is manufactured and stacked, a display panel assembly step may be performed, in which the back of at least one display panel 9 is placed upward at the assembly end, any one of the second pre-processed light guide plates 6 is taken out from the second pre-processed light guide plates 6 stacked in batches one by one, and the second pre-processed light guide plate 6 is broken off along the blind hole line 31 and the protective film 4 is torn off, so that a light guide plate finished product 7 in the shape of a closed loop 3 is obtained and assembled on the display panel 9 (step S201). When the assembly is to be performed, the second pretreated light guide plate 6 is broken along the position of the blind hole line 31, and at this time, according to the part of the protective film 4 which is not broken, when the rim charge of the second pretreated light guide plate 6 is peeled off, the protective film 4 can be torn off from the lower surface of the closed loop 3 region, and then the finished light guide plate 7 is obtained for assembly.

Therefore, by adopting the production method for attaching the protective film 4 in the production line, the method for manufacturing and assembling the light guide plate can keep the plate body clean for a certain time, effectively solves various defects in the current operations of carrying the light guide plate and tearing off the protective film, particularly for the light guide plate with a special shape, can greatly reduce the offset risk in the carrying process and reduce the use of filling materials for keeping stability. The method of covering the interior of the production line with the protective film can also be seen from the above process flow, and compared with the method of covering the exterior of the production line with the film, the cleanliness of the plate body can be maintained. In the subsequent problem of film tearing, the reserved rim charge and the position of the pre-processed semi-fused blind hole line 31 are used, so that the edge charge can be quickly and conveniently peeled off, the protective film 4 is torn off together to obtain the finished light guide plate 7, and the subsequent recycling is quite convenient.

Further, the size and shape of the closed loop 3 are defined according to the shape of the finished light guide plate 7, for example, the closed loop 3 is circular corresponding to fig. 2A to 3, and the application is formed by cutting a rectangle into a circle. For the rest of the detailed description, please refer to the corresponding paragraphs, which are not repeated herein.

Alternatively, referring to fig. 4 again, the shape of the closed loop 3 may be the same as the shape of the second pretreated light guide plate 6, and the light guide plate product 7 is formed by reducing the second pretreated light guide plate 6 in equal proportion, thereby achieving the purpose of large-scale and small-scale applications. For the rest of the detailed description, please refer to the corresponding paragraphs, which are not repeated herein.

Alternatively, referring to fig. 5, in another implementation state, each first pretreated light guide plate 5 can be cut outside the closed loop 3 to form more than two second pretreated light guide plates 6, so as to achieve an application of multiple cutting. For the rest of the detailed description, please refer to the corresponding paragraphs, which are not repeated herein.

Under the light guide plate manufacturing and assembling method, a stack number 60 can be formed by laser engraving in the area outside the closed loop 3 of each second light guide plate 6 and/or a two-dimensional bar code 61 can be formed by spraying in the area outside the closed loop 3 of each second light guide plate 6. In this way, by using the margin area outside the closed loop 3 as the location where the stack number 60 and the two-dimensional bar code 61 are disposed, it is possible to prevent the two-dimensional bar code 60 from contaminating the light guide plate product 7, in addition to facilitating rapid identification of the number of stacked sheets, compared to the conventional art. The sequence of the stack number 60 and the two-dimensional bar code 61 is not limited, and may be a sequence or a simultaneous execution, or may be performed by interleaving the above steps, for example, the carving and spraying steps may be performed after the cutting machine 104, and may be adjusted according to the actual process. For the rest of the detailed description, please refer to the corresponding paragraphs, which are not repeated herein.

In summary, the manufacturing and assembling mechanism and the manufacturing and assembling method for a light guide plate with a predetermined tearing off rim charge provided by the present invention cover the complete technical concept from the production of the light guide plate to the assembly, and reserve the melting and semi-melting areas on the plate body by the laser cutting technology, so as to reserve the raw material of the outer rim charge of the finished light guide plate, thereby simultaneously solving the offset problem in transportation and facilitating and speeding up the film tearing operation of the assembling end. In particular, the light guide plate product with irregular shape is easy to collide and shift in the stack transportation, and needs to use a large amount of fillers to be placed in the shifting space, so that the difficulty of corner tearing is encountered when the protective film is torn off and assembled. For example, under the above mechanism and method, the finished light guide plate and the second pre-processed light guide plate can be formed into applications such as rectangular cut, circular cut, large cut, or the first pre-processed light guide plate can be formed into applications with more cuts. In addition, based on the concept of reserving the predetermined torn-off rim charge, the area outside the closed loop can be more utilized, for example, the stack number of the second preprocessed light guide plate can be arranged at the position, so that the inconvenience and time of secondary confirmation can be avoided, and the two-dimensional bar code related to the finished light guide plate information can also be arranged at the position, so that the finished light guide plate is prevented from being polluted by the ink. Compared with a plurality of additional designs which are made for easily tearing off the protective film in the past, the mechanism and the method provided by the invention do not need to change the material or the structure of the protective film, and the protective film can be continuously torn off by the assembling end in a way of breaking off the edge material by a semi-melting processing way instead of a way of reserving the edge material outside the finished product of the light guide plate. Meanwhile, aiming at the light guide plate with irregular shape, the mechanism and the method of the invention also solve the offset problem of transportation in a mode of retaining the rim charge by the thinking different from the past processing and manufacturing, reduce the arrangement quantity and the cost of the filler and ensure that the stacking transportation of the light guide plate is simpler and more stable.

[ notation ] to show

10 light guide plate production unit

101 roll-to-roll light guide plate sheet production device

102 roll-to-roll film attaching machine

103 precision laser cutting machine

104 cutting machine

105 mechanical arm

11 light guide plate assembling unit

2 uncut light guide plate

3 closed loop

30 shape cutting line

31 blind hole line

4 protective film

5 first pretreatment light guide plate

6 second pretreated light guide plate

60 stack number

61 two-dimensional barcode

7 light guide plate finished product

9 display panel

S101 to S105

And S201.