TWI477842B - Integration of the assembly process architecture and methods - Google Patents

Description

Structure and method of integrating assembly process

The present invention relates to a technique for increasing the efficiency of a production line, and more particularly to an architecture and method for integrating an assembly process.

According to the assembly process of the liquid crystal display, it is divided into three assembly blocks: a backlight module, a display panel and subsequent assembly operations. In the past, the assembly of the backlight module and the subsequent assembly work of the liquid crystal display module (LCM) factory were separately produced in different factories, or different production lines and different workstations.

The assembly process is divided into different factories or different production lines. When the backlight module is assembled, the finished product needs to be packaged and then shipped to the subsequent operation factory. Therefore, it is necessary to carry the manpower, the car or the trolley to the production line of the subsequent assembly operation. The backlight module is placed on the tray of the production line manually or mechanically for subsequent assembly work. In addition to increasing the cost of packaging materials, shipping costs, labor costs of packaging and disassembling packaging materials, labor handling or automatic handling of equipment, etc., the possibility of dust pollution is greatly increased, and the handling process is also Will increase the probability of collision and increase the cost of loss.

Therefore, the present invention is directed to the above problems, and proposes an architecture and method for integrating the assembly process to effectively overcome the above problems.

The main object of the present invention is to provide an architecture and method for integrating an assembly process by integrating a process of assembling a backlight material, a panel material, and assembling a panel into a production line, thereby reducing labor and material costs, and reducing the possibility of transportation. damage.

Another object of the present invention is to provide an architecture and method for integrating an assembly process, which uses an inductor to determine whether there is a semi-finished product on the tray, and if the tray is empty, a lift is sent to a return conveyor belt, and an empty tray is used. Reuse.

For the above purposes, the present invention provides an integrated assembly process architecture for use in a liquid crystal display production line that will assemble backlight materials, panel materials, and assembly surfaces. The process after the board is integrated, the framework includes: at least one conveyor belt, passing through a backlight material assembly area, a panel material assembly area and a rear section module assembly area, and using the plurality of trays to transport the plurality of materials, the finished product or the semi-finished product to the plurality of workstations; An inductor for sensing whether the tray is idle; and a plurality of lifting devices for transferring the tray between the conveyor belt and a return conveyor belt.

The invention further provides a method for integrating an assembly process, integrating an assembly operation of a backlight material assembly area, a panel material assembly area and a rear stage module assembly area, the method comprising the following steps: (a) using a first elevator to multiply The tray is sent to a first conveyor belt, and when the operation of assembling a zone ends, the first conveyor belt transports the pallet to the assembly area; (b) uses a sensor to determine whether the pallet is empty, and if so, utilizes a The second elevator transports the pallet to a return conveyor belt and returns it to the first elevator to repeat step (a), if otherwise the pallet sequentially enters the assembled second and rear module assembly area; and (c) completes the assembly operation of the rear module assembly area Thereafter, the tray is conveyed to a return conveyor by a third elevator and returned to the first elevator to repeat step (a).

The purpose, technical content, features and effects achieved by the present invention will be more readily understood by the detailed description of the embodiments.

The invention provides an architecture and a method for integrating an assembly process, which is applied to assembly of a liquid crystal display, and integrates assembly processes of a backlight material, a panel material and a rear module to save manpower and material cost.

The first figure shows the overall architecture of the present invention. Each of the production lines includes a backlight material assembly area 10, a panel material assembly area 20, and a rear stage module assembly area 30, respectively, for assembling the backlight material into a backlight module. Assembly work, assembly of the backlight module and the plurality of panel materials, and assembly of the rear module.

The second figure shows the structure of a single production line in the first figure, comprising three conveyor belts: a first conveyor belt 14, a second conveyor belt 24 and a third conveyor belt 26, the first end of the first conveyor belt 14 being a first The elevator 12 has a third elevator 32 at the end, and passes through the backlight material assembly area. 10. Three assembly areas such as panel material assembly area 20 and rear stage module assembly area 30; the second end of the second conveyor belt 24 is a second elevator 22, and the end is a third elevator 32, which passes through the panel material assembly section 20 and the rear section module. Two assembly areas such as assembly area 30; the first end of the third conveyor belt 26 is the first workstation in the workstation 28 of the panel material assembly area 20, and the end is the third elevator 32, which is assembled through the panel material assembly section 20 and the rear section module. Zone 30 and other two assembly areas.

The plurality of trays 16 enter the first conveyor belt 14 from the first elevator 12, and the backlight material is placed on the tray 16. The operator removes the backlight material and assembles it onto the tray 16, and the first conveyor belt 14 transports the tray 16 to the panel material. The assembly area 20 is laterally moved to the second conveyor belt 24; at the beginning of the second conveyor belt 24, an inductor 27 is provided to sense whether there is a semi-finished product on the tray 16, and if so, the tray 16 continues on the second conveyor belt 24. The upper conveyor is transported forward and conveyed one by one to the first conveyor belt 14 and the third conveyor belt 26, and the first conveyor belt 14 and the third conveyor belt 26 are provided with transverse rollers at each workstation 28, which can be The tray 16 is fed into the workstation 28 for assembly by the operator. After the assembly work of the workstation 28 of the panel material assembly area 20 is completed, the assembled semi-finished products are placed on the tray 16, and the first conveyor belt 14 and the third conveyor belt 26 are further conveyed forward to the rear module assembly area 30, and Similarly to the panel material assembly section 20, the first conveyor belt 14 and the third conveyor belt 26 are provided with transverse rollers at each of the workstations 34 for feeding the tray 16 into the workstation 34 for assembly by the operator. Finally, when the rear module assembly area 30 is also assembled, the finished product is placed on the tray 16 for pre-delivery, and the operator removes the finished product at the end, and the tray 16 enters the third elevator 32.

The second elevator 22 and the third elevator 32 are both used to collect the empty tray 16. For the return system, please refer to the third figure, and please refer to the second figure at the same time, and a return conveyor belt 18 is disposed under the first conveyor belt 14, which The traveling direction is opposite to that of the first conveyor belt 14; the reflow system of the present invention is a two-stage reflow, and the first stage is to determine whether there is a semi-finished product on the tray 16 by means of the sensor 27 in response to the end of assembly of the backlight module, and if not The elevator 22 sends the empty tray 16 down to the return conveyor 18 and back to the tray loading position, ie the backlight material set The first elevator 12 at the beginning of the loading area 10 is designed to effectively utilize the tray to prevent the empty tray from affecting the operation of other workstations; the second section is to remove the finished product from the tray 16 in response to the assembly of the rear stage module. The tray 16 is fed from the third elevator 32 to the return conveyor 18 and back to the first elevator 12 using a second stage return system.

The fourth figure is a partially enlarged schematic view of the third figure, which is taken from the front and rear portions of the second elevator 22 in the third figure. It can be clearly seen from the figure that the return conveyor belt 18 is located below the first conveyor belt 12, in the first conveying. The tray 16 on the belt 12 is filled with materials or semi-finished products, and the return conveyor belt 18 is an empty tray 16. If the first conveyor belt 12 has an empty tray 16, the empty tray 16 is lowered by the second elevator 22. It is sent to the return conveyor belt 18.

The fifth figure is again an enlarged view of the fourth figure. The arrow mark in the figure shows that the first conveyor belt 12 and the return conveyor belt 18 travel in opposite directions, and the second elevator 22 can transport the tray of the first conveyor belt 12. 16 is transported down to the return conveyor belt 18.

The sixth figure is a tray used in the present invention. The tray 16 is an antistatic tray, and the material, finished product or semi-finished product 40 is placed on the tray 16, and the tray 16 is a conveyor belt below the figure.

7 is a schematic view showing the structure of the backlight material assembly area 10 and the panel material assembly area 20 in the structure of the integrated assembly process of the present invention. The tray 16 enters the first conveyor belt 14 from the first elevator 12, here the first conveyor belt 14 At the starting end, the backlight material is placed on the tray 16, and the operator removes the backlight material and assembles it and puts it back on the tray 16. The first conveyor belt 14 transports the tray 16 to the panel material assembly area 20 and laterally to the second conveyor belt 24. The second end of the second conveyor belt is provided with a sensor 27 for sensing whether there is a semi-finished product on the tray 16, and the semi-finished tray 16 continues on the second conveyor belt 24. The forward transport is carried out laterally to the first conveyor belt 14 and the third conveyor belt 26, and the first conveyor belt 14 and the third conveyor belt 26 are provided with transverse rollers at each of the workstations 28, which can be used for pallets. 16 is fed into the workstation 28 for easy assembly by the operator.

The eighth figure is an enlarged schematic view of the junction of the backlight material assembly area and the panel material assembly area. When the tray 16 carries the semi-finished product from the backlight material assembly area into the panel material assembly area, the tray 16 will move laterally from the first conveyor belt 14 to the first Two conveyor belts 24; The empty tray 16 can be brought along with the first conveyor belt 14, so that the tray 16 disposed on the second conveyor belt 24 is used to determine whether the tray 16 is empty, and the empty tray 16 is moved laterally into the second elevator 22 to leave the space. The working platform, while the tray 16 carrying the semi-finished product is driven forward by the second conveyor belt 24; the tray 16 is laterally moved to the first conveyor belt 14 and the third conveyor belt 26 located on both sides of the second conveyor belt 24, the three conveyor belts The conveying directions of 14, 24, 26 are the same, but the first conveyor belt 14 and the third conveyor belt 26 beside the work table 28 are provided with transverse rollers, so that the tray 16 carries the semi-finished product into the work table 28.

It can be clearly seen from the eighth figure that a track is provided on the work table 28 so that the tray 16 can enter the work table 28 for the operator to perform the assembly work directly on the tray 16. After the completion, the tray 16 and the semi-finished product are pushed into the first conveyor belt. 14 and the third conveyor belt 26.

The ninth figure is a flow chart of the first stage reflow system in the present invention, please refer to the third figure at the same time. First, in step S10, the tray 16 is sent out from the first elevator 12, so that the first elevator 12 can be said to be the loading position of the tray 16; in step S12, the tray 16 is entered, assembly of the assembly is completed, and the tray 16 is assembled after the assembly is completed. The semi-finished product moves forward with the first conveyor belt 14; then the tray 16 is about to enter the assembly two zone, at this time, as described in step S14, the sensor determines whether there is a semi-finished product on the tray 16, and if so, the tray 16 can enter as in step S16. If the tray 16 is empty, if the tray 16 is empty, the tray 16 is sent to the second elevator 22 as shown in step S18, and is lowered to the loading position of the return conveyor belt 18 and returned to the tray, that is, the first elevator 12, and the steps are repeated. S10.

Figure 11 is a flow chart of a preferred embodiment of the first stage recirculation system of the present invention, please also refer to the third figure. First, in step S10, the tray 16 is sent out from the first elevator 12, so that the first elevator 12 can be said to be the loading position of the tray 16; in step S12, the tray 16 enters the backlight material assembly area, and the backlight material is assembled, after the assembly is completed. The tray 16 carries the semi-finished product with the first conveyor belt 14 forward; then, in step S14, there is a test area at the end of the backlight material assembly area, and the test is a one-light test to test whether the backlight module is assembled incorrectly or other errors, if If the error is detected, the process proceeds to step S15 to move the semi-finished product of the backlight material to the temporary storage area. After the test phase is completed, the tray 16 is about to enter the panel material assembly area. In step S16, the sensor determines whether there is a semi-finished product on the tray 16, and if so, the tray 16 can enter the panel material assembly area as in step S18, and if the tray 16 is empty, the tray 16 is sent to the second elevator in step S20. 22, and descending to the loading position of the return conveyor 18 to the pallet, that is, the first elevator 12, repeating step S10.

In the present invention, the dust-free level of the backlight material assembly area and the rear-end module assembly area is 10000, and the panel material assembly area uses the enclosure method to construct a dust-free level of 1000 in the dust-free level 10000 area. In order to increase the regional positive pressure, and reduce the possibility of dust, reduce the probability of dust pollution.

The architecture and method of the integrated assembly process provided by the invention integrate the backlight module assembly, the panel assembly and the rear module assembly into one production line, which can reduce the cost of transportation and collision damage, and does not need to transport the semi-finished package to The assembly of the next step in another plant can reduce the labor and material costs of packaging materials and disassembly of packaging materials, as well as reduce the chance of dust pollution. The advantages are endless, and it is an excellent and practical design.

The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention. Therefore, any changes or modifications of the features and spirits of the present invention should be included in the scope of the present invention.

10‧‧‧Backlight assembly area

12‧‧‧First lift

14‧‧‧First conveyor belt

16‧‧‧Tray

18‧‧‧Return conveyor belt

20‧‧‧ Panel material group

22‧‧‧Second lift

24‧‧‧Second conveyor belt

26‧‧‧ Third conveyor belt

27‧‧‧ sensor

28‧‧‧Workstation

30‧‧‧After module assembly area

32‧‧‧ Third lift

34‧‧‧Workstation

40‧‧‧Materials / Semi-finished products / finished products

The first figure is a schematic diagram of the overall production line of the integrated assembly process of the present invention.

The second figure is a schematic diagram of a single production line of the integrated assembly process of the present invention.

The third picture is a schematic diagram of the tray reflow.

The fourth figure is a partial enlarged view of the third figure.

The fifth figure is an enlarged schematic view of the fourth figure.

The sixth picture is a schematic view of the tray containing the material, finished product or semi-finished product on the conveyor belt.

The seventh figure is a schematic diagram of the backlight material assembly area and the panel material assembly area in the architecture of the integrated assembly process of the present invention.

The eighth figure is an enlarged schematic view of the junction of the backlight material assembly area and the panel material assembly area.

The ninth diagram is a flow chart of the first stage reflux system of the present invention.

Figure 11 is a flow chart of a preferred embodiment of the first stage recirculation system of the present invention.

10‧‧‧Backlight assembly area

12‧‧‧First lift

14‧‧‧First conveyor belt

16‧‧‧Tray

20‧‧‧ Panel material group

22‧‧‧Second lift

24‧‧‧Second conveyor belt

26‧‧‧ Third conveyor belt

27‧‧‧ sensor

28‧‧‧Workstation

30‧‧‧After module assembly area

32‧‧‧ Third lift

34‧‧‧Workstation

Claims (16)

An integrated assembly process architecture is applied to a liquid crystal display production line, through a backlight material assembly area, a panel material assembly area, and a back end module assembly area, integrating the processes of assembling the backlight material, the panel material, and the rear module. The structure includes: a first conveyor belt, a second conveyor belt and a third conveyor belt, and transporting the plurality of materials, finished products or semi-finished products to the plurality of workstations through the plurality of trays; a first lifting device is used for the trays Transfer between the first conveyor belt and a return conveyor belt; a second lifting device for transferring the trays between the second conveyor belt and the return conveyor belt; and a third lifting device for The trays are transferred between the first conveyor belt and the return conveyor belt, and the third conveyor belt and the return conveyor belt; wherein the first conveyor belt start end is the first lifting device, and the end is the first a lifting device, and passing through the backlight material assembly area, the panel material assembly area and the rear stage module assembly area; the second conveyor belt starting end is the second elevator, the end For the third elevator, passing through the panel material assembly zone and the rear section module assembly zone; the third conveyor starter end is the first workstation in the workstation of the panel material assembly zone, and the end is the third lift The device passes through the panel material assembly area and the rear section module assembly area; an inductor is used to sense whether the tray is idle. The structure of the integrated assembly process as described in claim 1, wherein the backlight material assembly area and the rear module assembly area have a dust-free rating of 10,000, and the panel material assembly area has a dust-free rating of 1000. The architecture of the integrated assembly process as described in claim 1, wherein the backlight material assembly area performs assembly work on the plurality of backlight materials. The structure of the integrated assembly process as described in claim 1, wherein the panel material assembly unit performs the assembly operation of the semi-finished product of the backlight material assembly area and the plurality of panel materials. The architecture of the integrated assembly process as described in claim 1 of the scope of the patent application, wherein the rear segment mode The block assembly area is a process in which the panel materials are assembled. The structure of the integrated assembly process of claim 1, wherein the starting end of the second conveyor belt is located in the panel material assembly area, and receives the semi-finished product of the backlight material assembly area transmitted from the first conveyor belt. Or the material is transferred to both sides of the first conveyor belt and the plurality of workstations on both sides of the third conveyor belt. The structure of the integrated assembly process as described in claim 6, wherein the sensor is disposed at a starting end of the second conveyor belt, and when the tray is sensed to be empty, the second conveyor belt Some trays are fed into the second lifting device. The structure of the integrated assembly process of claim 1, wherein the return conveyor belt is disposed below the first conveyor belt. The architecture of the integrated assembly process as described in claim 1, wherein the trays are antistatic trays. The structure of the integrated assembly process of claim 1, wherein the first conveyor belt, the second conveyor belt, and the third conveyor belt are provided with lateral movement mechanisms, and the conveyor belts are The tray is transported laterally to the workstation. A method of integrating an assembly process, integrating an assembly operation of a backlight material assembly area, a panel material assembly area, and a rear stage module assembly area, the method comprising the steps of: (a) using a first elevator to transport the plurality of trays to a a first conveyor belt, when the operation of the backlight module area ends, the first conveyor belt transports the trays to the panel material assembly area; (b) using an inductor to determine whether the trays are empty, If yes, the second elevator is used to transport the trays to the return conveyor, and the first elevator is returned to the first elevator to repeat the step (a). Otherwise, the trays sequentially enter the panel material assembly area and the rear module assembly area. And (c) after completing the assembly operation of the assembly unit of the rear stage, transferring the trays to the return conveyor by the third elevator, and returning the first elevator to repeat the step (a). The method of the integrated assembly process of claim 11, wherein the return conveyor belt is located below the first conveyor belt. The method of the integrated assembly process of claim 11, wherein the step (b) further comprises receiving, by the second conveyor belt, the trays conveyed from the first conveyor belt, and forwarding the trays to the two sides. a plurality of workstations on both sides of the first conveyor belt and the third conveyor belt. The method of the integrated assembly process of claim 11, wherein the first conveyor belt is provided with a lateral movement mechanism for conveying the trays on the first conveyor belt to a plurality of workstations. The method of the integrated assembly process of claim 13, wherein the second conveyor belt is provided with a lateral movement mechanism, and the trays on the second conveyor belt are laterally conveyed to the first conveyor belt on both sides and The third conveyor belt. A method of integrating the assembly process of claim 15 wherein the third conveyor belt is provided with a lateral movement mechanism for transporting the trays on the third conveyor belt laterally to the workstation.