CN101209453A - Disassembling method and device for recycled liquid crystal display - Google Patents

Abstract

The invention relates to a disassembly method of a recycled Liquid Crystal Display (LCD) and a device thereof, wherein the method comprises the steps of providing a panel of the LCD, positioning a first edge of the panel, cutting the first edge, performing a first rotation of the panel, and cutting a second edge of the panel, thereby being beneficial to sorting a first material and a second material of the panel. The invention is mainly characterized in that automatic edge cutting equipment is adopted to cut off the structure of the assembly position of the LCD panel, so that resource objects of different materials in the panel can be separated, thereby being beneficial to the classification and recovery of subsequent resources and being capable of dealing with the emergence of a large amount of waste LCD displays in the future. In addition, compared with the traditional method of adopting manpower and matching with an electric tool, the method saves time by about 10 times.

Description

Dismantling method and device for recycling liquid crystal display

technical field

The invention relates to a dismantling method and device for recycling a liquid crystal display (LCD), in particular to a device and method for dismantling a panel of the liquid crystal display by using a cutting method.

Background technique

Due to the characteristics of light weight, thinness and no radiation, LCD displays are increasingly used in monitors. In recent years, also because the price of LCD monitors tends to be civilianized, and its quality has been accepted by consumers, the market share of global LCD monitors has surpassed that of traditional CRT screens. Taiwan's LCD panel manufacturing volume is the highest in the world. Although many LCD displays are exported, many substandard products of LCD displays will also be produced in the factory. However, in order to quickly disassemble the LCD display to cope with the emergence of the wave of waste LCD displays in the future, there is still no one who has prepared for a rainy day.

At present, the treatment of waste LCD displays at home and abroad focuses on the research of resource recovery of materials and the stripping of LCD glass panels. However, before these resources are recycled, the various materials in the LCD display should be properly and quickly sorted in advance. In order to achieve this goal, excessive physical destruction is not feasible; and if you want to disassemble the LCD display at a fixed point with a mechanical arm fully automatically, there is no actual economic benefit to speak of. The dismantling of waste LCDs is generally only done manually, and the tools used are electric screwdrivers and other related tools. If you search the database (esp@cenet European patent database) based on keywords such as "LCD, Disassemble, Panel, Recycle, Reclamation", you will only find patent data on LCD panel glass separation and glass recycling, and there is no way to effectively and quickly Patent documents related to LCD disassembly.

In addition, if the search is based on keywords such as "liquid crystal display, LCD, recycling, recycling", it is also found that the patent application mainly focuses on the cleaning and recycling of LCD glass. method for any in-depth exploration. Furthermore, we can search for relevant patents in the direction of automatic trimming equipment. If the keywords used are "Auto, Robotization, Shearing Machine", etc., search in the esp@cenet European patent database. The results show that there is only one patent document on the automatic shearing machine, which is a Chinese patent applied by Taiwan Asia Optics Co., Ltd. Its structure and principle are different from the present invention, and it is applied to lens cutting and packaging. Therefore, it is impossible to quickly The problem of dismantling LCD, if we don't take it seriously, we can't achieve the ideal goal.

Therefore, how to face up to the problem that the current dismantling mode of scrapped LCDs is only processed manually, and obtain a dismantling method and device for reclaiming liquid crystal displays. In addition to effectively solving the shortcomings of the prior art, it can also be obtained quickly. The convenience of dismantling the LCD panel is a topic that the inventors have devoted themselves to in experiments, tests and researches.

Contents of the invention

The object of the present invention is to overcome the problem that the LCD panel is not easy to disassemble quickly, overcome the problem of continuing to cut the second side of the panel after cutting the first side of the panel, and overcome the dismantled panel, smoothly The problem of pushing away from the cutting equipment used, etc.

Based on the above purpose, the present invention provides a dismantling method for reclaiming a liquid crystal display (LCD), the steps of which include providing a panel of a liquid crystal display, positioning the first side of the panel, cutting the first side, and performing the first dismantling of the panel. Second rotation, and cutting the second edge of the panel, thereby facilitating sorting the first and second materials of the panel.

Preferably, the method further comprises moving the panel from a fixed position to a rotated position for the first rotation of the panel, which is a 90 degree rotation, and the method further comprises performing a second rotation of the panel , to crop the third side of the panel.

Preferably, the method further comprises performing a third rotation of the panel to trim a fourth side of the panel to disassemble the panel.

Of course, the method may also include pushing out the panel to be disassembled from the fixed position.

Certainly, the method may also include transporting the panel to be disassembled to a manual sorting place.

Preferably, the method further comprises positioning the panel to a pre-absorption height.

Preferably, the method further includes adjusting the receiving space of the feeding platform to place the panel.

Of course, the method may also include sucking and driving the panel to move a feeding distance to be placed in the cutting device.

Certainly, the method may also include adjusting the trimming range of the panel, and the method further includes connecting with a control system, and cutting the first side of the panel in an automatic starting manner.

Preferably, the method further includes removing peripheral screws of the liquid crystal display, so as to remove the plastic shell and the base.

According to another aspect of the present invention, the present invention also provides a dismantling method for recycling a liquid crystal display, the steps of which include providing a panel of a liquid crystal display, positioning a first side of the panel, and cutting the first side, thereby facilitating disassembly Select the first and second material for this panel.

Preferably, the method further comprises performing a first rotation of the panel and trimming a second edge of the panel to facilitate sorting of the first and second materials of the panel.

If viewed from another feasible angle of the present invention, the present invention also provides a dismantling device for recycling liquid crystal displays, which includes: a feeding platform for placing panels of liquid crystal displays; and a cutting device for cutting the liquid crystal display The first edge of the panel facilitates sorting the first and second materials of the panel.

Certainly, the device may also include a moving device, located on the feeding platform, for moving the panel to a fixed position.

Of course, the moving device of the device may have a mechanical arm to pick up the panel, and the cutting device has a positioning sensing device for positioning the first side of the panel.

Preferably, the cutting device of the device further has a cutting device installed on the sensing device for cutting the first side.

Preferably, the device also includes a rotating device installed on the moving device, the rotating device has a bottom supporting part to assist in rotating the panel, and the mechanical arm has a rotating function to cooperate with the rotating device to facilitate the cutting The device trims the second edge of the panel.

Certainly, the cutting device of the device may have an pushing device, which includes the mechanical arm and the bottom support member, and is used to directly push the panel to be disassembled from the cutting position on the left side of the cutting device.

Of course, the device can also have a conveyor belt to receive and transport the panel to be disassembled.

Preferably, the feeding platform of the device is equipped with a height sensing device to determine that the panel has reached the height before suction.

Preferably, the feeding platform of the device has an automatic lifting function to move a specific panel to the pre-suction height.

Certainly, the first material of the device can be LCD panel glass, and the second material is the backlight module of the panel, which includes iron/aluminum shell, cold cathode tube and color filter.

Through the description of the above idea, it can be seen that the dismantling method and device used for recycling liquid crystal displays can use the method of first positioning the first side of the panel to successfully cut the first side of the panel, and It has the feature of cutting the second side of the panel by performing the first rotation of the panel. Therefore, this cover of automatic equipment designed by the present invention saves more than 10 times than the time required for manual disassembly.

For ease of description, the present invention can be further understood through the following preferred embodiments and accompanying drawings.

Description of drawings

Fig. 1 is the processing flow diagram of the preferred embodiment of the dismantling method of reclaiming liquid crystal display of the present invention;

Fig. 2 is the schematic side view of the dismantling device of the recovery liquid crystal display of the present invention;

Fig. 3 is the schematic top plan view of the dismantling device of the recovery liquid crystal display of the present invention;

FIG. 4 is a schematic perspective view of the LCD panel module in FIG. 3;

Fig. 5 is the operation diagram of the side view of the moving device in Fig. 3 sucking and driving the panel to move a feeding distance;

Fig. 6 is another schematic side view of the feeding platform in Fig. 2;

FIG. 7 is another schematic side view of the mobile device in FIG. 2;

FIG. 8 is a schematic top view of the mobile device in FIG. 7;

FIG. 9 is a schematic top view of the mobile device in FIG. 3;

Fig. 10 is a schematic side view of the conveyor belt in Fig. 3;

Figure 11 is another schematic side view of the conveyor belt in Figure 3; and

FIG. 12 is another schematic side view of the dismantling device in FIG. 2 .

Wherein, the reference signs are explained as follows:

10 liquid crystal display 11 panel

112 Specific panel 121 First material/LCD panel glass

122 second material/backlight module

13 plastic shell 14 base

20 Dismantling the device 21 The first side

22 Second side 23 Feeding platform

24 storage space Height before BH suction

MD feeding distance 25 cutting device

26 cutting equipment 27 mobile device

28 mechanical arm 29 rotating device

291 bottom support part

30 fixed positions 31 rotating positions

32 Dismantling panels 33 Manual sorting

34 Extrapolation device 35 Conveyor belt

43 third side 44 fourth side

Detailed ways

Please refer to FIG. 1, which shows the processing flow of the dismantling mode of the present invention, which is a dismantling method for reclaiming a liquid crystal display (LCD), and its steps include providing a panel 11 of a liquid crystal display 10. The first side 21 shown, cutting the first side 21, performing the first rotation of the panel 11, and cutting the second side 22 of the panel 11, thereby facilitating the separation of the first material 121 and the second material of the panel 11 122.

Please refer to Fig. 1 again, taking the LCD display 10 which is generally used on the market and has lost its function as an object, the method also includes firstly using an electric screwdriver (not shown) to remove the screws on the periphery of the LCD display 10 to remove the plastic casing 13 And the base 14, then adjust the accommodation space 24 of the feeding platform 23 as shown in Figure 2 to place the panel 11, then the panel 11 must be positioned to the height BH before suction, then suck and drive the panel 11 to move a feeding distance MD, And be placed in the cutting device 25 (also can be referred to as the trimming machine platform), then adjust the trimming range of the panel 11, then connect the control system (not shown in the figure), and with the mode of automatic start operation, automatically carry out trimming The operation of cutting the first edge 21 of the panel 11. Please refer to FIG. 3 , the method also includes moving the panel 11 from the fixed position 30 to the rotating position 31 to perform the first rotation of the panel 11, which is a 90-degree rotation, and then when the second side 22 is cut , the panel 11 will continue to be rotated for the second time to cut the third side 43 of the panel 11 as shown in FIG. 44, to obtain the dismantling panel 32 as shown in FIG.

From the point of view of the main technology, the present invention also provides a dismantling method for recycling liquid crystal displays, the steps of which include providing the panel 11 of the liquid crystal display 10, positioning the first side 21 of the panel 11, and cutting the first side 21, Thereby, the sorting of the first material 121 and the second material 122 of the panel 11 is facilitated. Certainly, the method may also include rotating the panel 11 for the first time, and cutting the second side 22 of the panel 11 , so as to facilitate sorting the first material 121 and the second material 122 of the panel 11 .

If viewed from another feasible angle, the present invention also provides a dismantling device 20 for recycling liquid crystal displays, which includes a feeding platform 23 for placing the panel 11 of the liquid crystal display 10, and a cutting device 26 for cutting The first side 21 of the panel 11 is cut, so as to facilitate the sorting of the first material 121 and the second material 122 of the panel 11 .

The first material 121 can be the LCD panel glass 121 , and the second material 122 is the backlight module 122 of the panel 11 , which includes iron/aluminum housing, cold cathode tube and color filter. The feeding platform 23 is equipped with a height sensing device (not shown in the figure) to determine that the panel 11 has reached the height BH before suction. The dismantling device 20 also includes a moving device 27 located on the feeding platform 23 for moving the panel 11 to the fixed position 30 . The moving device 27 has a robot arm 28 to suck the panel 11. After the panel 11 is sucked away by the robot arm 28, the feeding platform 23 has an automatic lifting function to move the specific panel 112 to the height BH before the suction, and the cutting device 26 has The positioning sensing device (not shown in the figure) is used for positioning the first side 21 of the panel 11 . The cutting device 26 also has a cutting device 25 installed on the sensing device for cutting the first edge 21 . The dismantling device 20 also includes a rotating device 29 installed on the moving device 20. The rotating device 29 has a bottom support member 291 for assisting the rotating panel 11, and the mechanical arm 28 has a rotating function to cooperate with the rotating device 29 to facilitate cutting. The device 25 trims the second side 22 of the panel 25 .

The cutting device 26 of the dismantling device 20 can have an extrapolating device 34 as shown in Figure 3, which includes a mechanical arm 28 and a bottom support member 291, in order to disassemble the panel 32 directly from the cutting position 30 on the left side of the cutting device 25. roll out. The apparatus 20 may also have a conveyor belt 35 to receive and transport the disassembled panels 32 . Referring to Fig. 5, it can be clearly seen that the moving device 27 absorbs and drives the panel 11 to move the feeding distance MD. From Fig. 6, the structure of the feeding platform 23 can be clearly understood, and it can also be seen from Fig. 7 and Fig. 8 The structure on the other side and the top of the mobile device 27 can be seen, and the top view of the mobile device 27 in FIG. 3 before and after moving can be seen in FIG. 9 . From FIG. 10 and FIG. 11 , the structure of the other two side views of the conveyor belt 35 can be seen, and the schematic diagram of the other side view of the dismantling device 20 can be seen in FIG. 12 .

To sum up, with an innovative design, the present invention can smoothly cut the first side of the panel by first positioning the first side of the panel, and the first time of the panel is used. Rotation, the second side of the panel that can be smoothly trimmed. Therefore, the present invention aims at the structural characteristics of the LCD display assembly, and aims at the most time-consuming manual disassembly of the LCD panel module, and establishes a set of rapid disassembly equipment to facilitate the subsequent resource recovery process. The main feature of the present invention is that the automatic edge cutting equipment is used to cut off the structural assembly part of the LCD panel, so that the resource items of different materials in the panel can be separated, which is beneficial to the subsequent classification and recycling of resources. The time spent in this method can be saved nearly 10 times compared with the traditional method of using manual labor and matching electric tools. Using automated equipment to disassemble LCD panels will be able to cope with the emergence of a large number of waste LCD displays in the future.

Aiming at LCD displays with a market share greater than 50%, the invention develops a method and equipment for quickly dismantling LCD panel modules to recycle a large number of waste LCD displays. This method uses physical destruction to dissociate the LCD panel module equipped with small screws and tenons to recover different materials in the panel. According to the above method, build a set of dismantling equipment main body, and establish a set of processing flow based on this equipment. Therefore, those skilled in the art are free to make various modifications according to their own ideas, without departing from the intended protection scope of the appended claims.

Claims (12)

1. a dismantling method of reclaiming liquid crystal display (LCD), is characterized in that, the method may further comprise the steps: Provide panels for liquid crystal displays; Position the first side of the panel; trim the first side; move the panel from a fixed position to a swivel position; perform a first rotation of the panel, which is a 90 degree rotation, to crop the second side of the panel; make a second rotation of the panel to crop the third side of the panel; and The third rotation of the panel is performed, the fourth side of the panel is cut, and the panel is disassembled to sort the first and second materials of the panel. 2. The method according to claim 1, further comprising: eject the panel to be disassembled from the fixed position; and Transport the panel to be disassembled to the manual sorting place. 3. The method according to claim 1, further comprising positioning the panel to a height before suction. 4. The method according to claim 1, further comprising adjusting the receiving space of the feeding platform to place the panel. 5. The method of claim 1, further comprising sucking and driving the panel to move a feeding distance for placement in a cutting device. 6. The method according to claim 1, further comprising adjusting the trimming range of the panel, and the method further comprising connecting to a control system and automatically starting the first trimming of the panel. side. 7. The method according to claim 1, further comprising removing peripheral screws of the liquid crystal display to remove the plastic casing and the base. 8. A dismantling method for reclaiming a liquid crystal display, characterized in that the method comprises the following steps: Provide panels for liquid crystal displays; positioning the first side of the panel; and The first side is cut to sort the first and second materials of the panel. 9. A dismantling device for reclaiming a liquid crystal display, characterized in that it comprises: an infeed platform for placing a panel of a liquid crystal display; and The cutting device is used for cutting the first side of the panel to sort the first and second materials of the panel. 10. The device according to claim 9, further comprising: The moving device is located on the feeding platform and is used to move the panel to a fixed position, wherein the moving device has a mechanical arm to pick up the panel, and the cutting device has a positioning sensing device to position the first panel of the panel. One side, and the cutting device also has a cutting device installed on the sensing device for cutting the first side; The rotating device is installed on the moving device, the rotating device has a bottom supporting part to assist in rotating the panel, and the mechanical arm has a rotating function to cooperate with the rotating device, so as to facilitate the cutting device to cut the first part of the panel two sides, and the cutting device has a pushing device, which includes the mechanical arm and the bottom support member, for pushing the disassembled panel directly from the cutting position on the left side of the cutting device; and Conveyor belt to receive and transport the panel to be disassembled. 11. The device according to claim 9, wherein the feeding platform is equipped with a height sensing device to determine that the panel has reached the height before suction; and The feeding platform has an automatic lifting function to move the specific panel to the height before the suction. 12. The device according to claim 9, wherein the first material is LCD panel glass, and the second material is the backlight module of the panel, which includes iron/aluminum housing, cold cathode tube and color filter piece.

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