Source: https://patents.google.com/patent/KR20090011381A/en
Timestamp: 2020-08-06 18:45:29
Document Index: 516449875

Matched Legal Cases: ['art 35', 'art 40', 'art 40', 'arts 21', 'art 22', 'arts 21', 'art 22', 'art 21', 'art 12']

KR20090011381A - Substrate conveyor - Google Patents
Substrate conveyor Download PDF
KR20090011381A
KR20090011381A KR1020070074894A KR20070074894A KR20090011381A KR 20090011381 A KR20090011381 A KR 20090011381A KR 1020070074894 A KR1020070074894 A KR 1020070074894A KR 20070074894 A KR20070074894 A KR 20070074894A KR 20090011381 A KR20090011381 A KR 20090011381A
KR1020070074894A
KR101427595B1 (en
2007-07-26 Application filed by 삼성전자주식회사 filed Critical 삼성전자주식회사
2007-07-26 Priority to KR1020070074894A priority Critical patent/KR101427595B1/en
2009-02-02 Publication of KR20090011381A publication Critical patent/KR20090011381A/en
2014-08-08 Publication of KR101427595B1 publication Critical patent/KR101427595B1/en
239000000758 substrates Substances 0.000 title claims abstract description 111
A substrate transport apparatus is provided to realize the substrate transport apparatus of the compact size and to improve the spatial utilization by performing the input and output of substrate by the transfer direction change and fork etc. The substrate transport apparatus includes the first conveying unit(10), and the second conveying unit(20), arranged for the transfer of substrate on the top of the first conveying unit and the lifting unit(30) for the second conveying unit. The second conveying unit delivers the substrate to the first conveying unit and receives the substrate on the first conveying unit. The first conveying unit includes the fork part formed between the first roller parts, the first roller part, and the first driving part for the transfer of substrate. The first and second conveying unit crosses the arrangement of the first and second wafer transfer direction.
Substrate conveyor
1 is a perspective view showing a substrate transfer apparatus according to the present invention.
2 is an enlarged view of a portion A of the first transfer unit included in the substrate transfer apparatus of FIG. 1.
3 is an enlarged view of a portion B of a second transfer unit included in the substrate transfer apparatus of FIG. 1.
4 is a front view of the first transfer unit included in the substrate transfer apparatus according to the present invention.
5 to 7 are views showing the operation of the substrate transfer apparatus according to the present invention.
8 is an enlarged view of a portion C of FIG. 7.
9 is a front view of a state where the second transfer unit of the substrate transfer apparatus according to the present invention is lowered.
10: first transfer unit 11: the first drive unit
12: fork entry portion 13: auxiliary roller
20: second conveying unit 21: second roller portion
22: second drive unit 30: lifting unit
32: lifting unit 33: drive device
40: first roller portion 42: first roller
43: second roller 45: belt
The present invention relates to a substrate transfer apparatus, and more particularly, to a substrate transfer apparatus for transferring a substrate used in the manufacture of a liquid crystal display device.
Recently, information processing devices have been rapidly developed to have various types of functions and faster information processing speeds. Such an information processing apparatus has a display device for displaying information. As a display device used in the related art, a cathode ray tube monitor has been used, but in recent years, with the rapid development of semiconductor technology, the use of a flat panel display which is light and occupies a small space is rapidly increasing. There are various types of such flat panel displays, and among them, a liquid crystal display (LCD) having a low power consumption, a low volume, and a low voltage driving type is widely used.
In order to manufacture the liquid crystal display, a plurality of unit processes are performed. In order to perform the plurality of unit processes, the substrate must be transferred.
For this purpose, devices such as robots and conveyors are generally used.
The robot is equipped with a fork to lift the board, and rotates about the up / down axis and moves the arm to adjust the position of the fork that floats the board.
In addition, a robot with a horizontally moving travel device will pick up the board and move along the guide of the travel device to position the board in the proper position.
Such a robot has good speed and accuracy, but has a problem in that it is not practical because the robot is large in size and expensive and performs only a function of moving a substrate.
Therefore, recently, a substrate transfer device such as a conveyor is used to transfer the substrate. Such a substrate transfer device has the advantage of being light in size, small in size, and simple in structure. The substrate transfer device includes a lift / lower device for transferring the substrate from the bottom to the top or the top to the bottom, a device for transferring the substrate in one direction, and It is divided into a device for switching the conveying direction of.
However, since the substrate transfer apparatus is formed as a separate substrate transfer apparatus that performs the raising / lowering of the substrate, the transfer of the substrate, the transfer direction of the substrate, and the like, the substrate transfer apparatus performing each function is performed. Must be installed.
Therefore, there is a problem in that the substrate transfer apparatus set for performing a complex function takes only a large space.
In addition, there is a problem that the moving distance of the substrate is far, and as a result, the moving time of the substrate is long, resulting in a decrease in production efficiency.
In addition, since a clean environment is required for the production of the liquid crystal display device, when the substrate transfer device occupies a large space, there is a problem in that the construction cost and the maintenance cost of the clean environment increase.
Accordingly, the present invention is to solve the conventional problems as described above, an object of the present invention is to provide a compact size of performing a complex function, such as the lifting / lowering of the substrate, the transfer direction of the substrate and the entry and exit of the substrate by a fork It is to provide a substrate transfer device.
In order to achieve the above object, a substrate transfer apparatus according to the present invention includes a first transfer unit for transferring a substrate, a second transfer unit disposed above the first transfer unit for transfer of the substrate, and the second transfer. And a lifting / lowering unit for lifting / lowering the unit, wherein the second transfer unit transfers a substrate to the first transfer unit or receives a substrate on the first transfer unit as the second transfer unit moves up / down. do.
In addition, the first transfer unit may include a first roller part for transferring the substrate, a first driving part for driving the first roller part, and a fork entry part formed between the first roller part to allow fork entry. do.
The first roller unit may include a first roller connected to the driving unit, a second roller rotatably fixed to an upper portion of the first roller, and a belt to transmit the rotational force of the first roller to the second roller. do.
In addition, the second transfer unit includes a second roller unit for transferring the substrate, and a second driving unit for driving the second roller unit, wherein the second roller unit and the second driving unit are the second transfer unit. It is arranged so that interference with the first roller portion does not occur during the falling of the.
The first and second transfer units may be disposed such that the transfer direction of the substrate transferred by the first transfer unit and the transfer direction of the substrate transferred by the second transfer unit are perpendicular to each other.
1 is a perspective view illustrating a substrate transfer apparatus according to the present invention, FIG. 2 is an enlarged view of a portion A of the first transfer unit included in the substrate transfer apparatus of FIG. 1, and FIG. 3 is included in the substrate transfer apparatus of FIG. 1. An enlarged view of part B of the second transfer unit. 4 is a front view of the first transfer unit included in the substrate transfer apparatus according to the present invention.
As shown in FIG. 1, the substrate transfer apparatus according to the present invention includes a first transfer unit 10 for transferring the substrate from the lower portion, a second transfer unit 20 for transferring the substrate from the upper portion, and It comprises a lifting unit 30 for lifting / lowering the transfer unit 20.
The elevating unit 30 includes a frame 31 having a substantially rectangular shape, an elevating unit 32 installed so that the second transfer unit 20 can be elevated / lowered, and a driving device for driving the elevating unit 32 ( 33).
The frame 31 has a base 31a that forms a bottom surface in a substantially rectangular shape, a lifting shaft 31b vertically installed at the edge side of the base 31a, and a cover 31c covering an upper portion of the lifting shaft 31b. ).
The lifting unit 32 is provided to move up and down in the lifting shaft 31b. The lifting unit 32 protrudes inward to the frame 31 with respect to the lifting shaft 31b to support the lower surface of the second transfer unit 20 to be formed. 2 Guide the lifting / lowering of the transfer unit 20.
The drive device 33 includes a drive motor 34 installed on the base 31a, and a power transmission device 35 for transmitting the rotational force of the drive motor 34 to the lifting unit 32.
The power transmission device 35 includes a rotation shaft part 35a and a gear box 35b to move the lifting unit 32 up and down (III direction in FIG. 1) by using the driving force of the driving motor 34.
Therefore, when the driving motor 34 is rotated, the operation of the lifting unit 30 is transmitted to the lifting unit 32 by the power transmission device 35 so that the lifting unit 32 is the lifting shaft of the frame 31 ( It moves up and down along 31b).
As such, the structure for vertically moving the lifting shaft 31b by using the driving device 33 can be easily achieved by those skilled in the art in various configurations, and a detailed description thereof will be omitted.
As illustrated in FIGS. 1 and 2, the first transfer unit 10 includes a first roller part 40 for transferring a substrate to be conveyed at a relatively low height, and a first roller unit 40 for driving the first roller part 40. It includes a fork entry portion 12 to enter the first drive unit 11 and the transfer robot (not shown) for transporting the substrate on the first transfer unit 10 is fixed to the support frame 14 Is installed.
The first roller portion 40 is provided in plural, each of the first roller portion 40 is a rotation shaft 41 connected to the first driving unit 11, a plurality of agents that are integrally rotated when the rotation shaft 41 is rotated One roller 42, a plurality of second rollers 43 provided at a predetermined height above the first rollers 42 and rotatably fixed, and a pair of supports for rotatably supporting the second rollers 43. It comprises a shaft 44 and a belt 45 for transmitting the rotational force of the first roller 42 to the second roller 43.
The first roller portion 40 may be arranged at a narrow interval to prevent the deflection of the substrate during the transfer of the substrate, in a preferred embodiment of the present invention to reduce the manufacturing cost and the second transfer unit 20 is the first When the second roller unit 21 and the second driving unit 22 of the second transfer unit 20, which will be described later when mounted on the upper portion of the transfer unit 10 to prevent the interference with the first roller unit 40 In order to keep the width between the first roller portion 40 in a predetermined width wide enough to prevent interference and to prevent the sag of the substrate, the first roller portion 40 is relatively relatively compared to the first roller portion 40. The auxiliary roller 13 which has a low manufacturing cost and occupies a small volume is provided.
The auxiliary rollers 13 are disposed between the first rollers 40, respectively, and the second rollers can prevent the substrates from sagging during the transfer of the substrates and smooth the transfer of the substrates by the second rollers 43. It is arranged in the same direction as the direction of 43.
To support the transfer of the substrate to the upper end of the second roller 43, a pair of adjacent support shaft portion as shown in Figure 4 so that the fork of the transfer robot can transport the substrate on the second roller 43 A fork inlet 12 is formed between the 44. At this time, the second roller 43 is positioned at a predetermined height so that the fork entry portion 12 can secure the fork entry space even when the second transfer unit 20 is seated on the upper portion of the first transfer unit 10. .
The first roller unit 40 is connected to the first driving unit 11, and the first driving unit 11 is connected to each of the plurality of rotation shafts and may be formed of a plurality of driving motors to rotate the plurality of rotation shafts. By connecting the plurality of rotation shafts to a power transmission member such as a gear or a pulley, the plurality of rotation shafts may be rotated using a single drive motor and a power transmission member.
In a preferred embodiment of the present invention, the first driving unit 11 is composed of a single drive motor and a non-contact drive transmission device such as a magnet drive, and the rotation shaft 41 is connected to the non-contact drive transmission device to rotate the first and second parts. The rollers 42 and 43 are rotated. Such a non-contact drive transmission device is obvious to those skilled in the art of the present invention, the description thereof will be omitted.
Accordingly, when the first driving unit 11 is driven, the plurality of rotation shafts 41 connected to the non-contact state rotate, and the first roller 42 rotates together with the rotation of the rotation shaft 41. In addition, when the first roller 42 rotates, the second roller 43 connected by the belt 45 rotates to transfer the substrate in the direction II of FIG.
As shown in FIGS. 1 and 3, the second transfer unit 20 disposed on the upper portion of the first transfer unit 10 is mounted to the lifting unit 32 of the lifting unit 30. A plurality of second roller parts 21 provided between the rectangular support frame 23 and the support frame 23 to transfer the substrate, and the second driving part 22 to drive the plurality of second roller parts 21. )
The second roller portion 21 is provided in plural, each of the second roller portion 21 is provided on the feed shaft (21a) and the feed shaft (21a) is driven by the drive of the second drive unit 22 And a plurality of feed rollers 21b that rotate together with the rotation of the 21a.
In the preferred embodiment of the present invention, the second driving unit 22 may be made of a non-contact driving transmission device such as a magnet drive, similarly to the first driving unit 11 described above, and the second driving unit may be connected to a plurality of rotation shafts, respectively. It may be composed of a plurality of drive motors to rotate the plurality of rotation shafts, by connecting the plurality of rotation shafts to a power transmission member such as gears, pulleys, etc. can also rotate the plurality of rotation shafts using the drive motor of the day, Various configurations capable of rotating a plurality of rotating shafts are possible.
The second roller unit 21 and the second driving unit 22 of the second transfer unit 20 are the first when the second transfer unit 20 descends and rests on the upper portion of the first transfer unit 10. The arrangement is made so that interference with the first roller portion 40 of the transfer unit 10 does not occur.
In addition, the feed roller 21b provided in the second conveying unit 20 and the second roller 43 provided in the first conveying unit 10 are arranged to be perpendicular to each other so as to be perpendicular to each other. When the substrate is transferred to the transfer unit 10, it is possible to switch the transfer direction of the substrate.
Therefore, in the case of a substrate to be transferred upward relative to the substrate to be transferred to the first transfer unit 10, the height of the second transfer unit 20 may be adjusted by driving the lifting unit 30 according to the height of the transfer. , By driving the second driving part 22 to rotate the feed shaft 21a of the second roller portion 21 to rotate the feed roller 21b provided on the feed shaft 21a to rotate the substrate in the direction I of FIG. 1. To be transported.
In addition, although not shown in the drawings of the present invention, by providing a plurality of lifting units in the lifting unit, only the second driving unit may enable the first driving unit to move up and down.
Hereinafter, with reference to Figure 5 will be described the operation and effect of the substrate transfer apparatus according to the present invention.
In the substrate transfer apparatus according to the present invention, in order to transfer the substrate to a position where a subsequent process is performed, as shown in FIG. 5, the second driving unit 22 of the second transfer unit 20 is first driven to drive the second driving unit. As the feed shaft 21a connected to the 22 is rotated, and the feed shaft 21a is rotated, the feed roller 21b is rotated so that the substrate S, which is in contact with the upper surface of the feed roller 21b, is transferred. Transferred to the unit 20.
Thereafter, as shown in FIG. 6, the driving unit 33 of the elevating unit 30 is driven to move the elevating unit 32 downward through the power transmission unit 35 connected thereto. The second transfer unit 20 mounted in the lowering to the first transfer unit 10 side.
When the second transfer unit 20 completes the descending to the first transfer unit 10 as described above, the substrate is transferred to the first transfer unit 10 on the second transfer unit 20 as shown in FIG. 7. do.
Referring to Figures 7, 8 to look in detail.
The second roller portion 21 and the second driving portion 22 included in the second transfer unit 20 are suitably disposed so as not to cause interference with the first roller portion 40 of the first transfer unit 10. Since the first roller unit 40 and the auxiliary roller of the first transfer unit 10 through the gap between the second roller unit 21 and the second driving unit 22 as the second transfer unit 20 is lowered. 13 is projected through the second transfer unit 20. Therefore, the substrate S located on the transfer roller 21b of the second roller part 21 is the second roller 43 and the auxiliary roller of the first transfer unit 10 as the second transfer unit 20 descends. (13), and the second transfer unit 20 continues to be lowered and then seated in the first transfer unit (10).
As described above, even when the second transfer unit 20 is seated on the first transfer unit 10, as shown in FIG. 9, the fork P of the transfer robot may enter for the transfer of the substrate S. The entrance part 12 is kept open, and the board | substrate can be conveyed to F direction. (Refer FIG. 7).
In addition, at this time, the substrate (S) can be transferred in the opposite direction (R direction) of the fork side in accordance with the driving of the first transfer unit 10, of course.
As described above, in the process of transferring the substrate in the R direction of FIG. 7, the first driving unit 11 is driven to rotate the rotating shaft 41 connected thereto. ), The first roller 42 rotates, and the second roller 43 connected to the belt 45 rotates to transfer the substrate in the R direction.
In addition, the present invention can also perform the above operation in reverse. In other words, the first transfer unit 10 is driven by lowering the second transfer unit 20 and seated on the first transfer unit 10 to position the substrate on the first transfer unit 10, and then move up and down. When the unit 30 is driven, the substrate on the first transfer unit 10 is moved onto the second transfer unit 20 as the second transfer unit 20 moves up and down, and the substrate on the second transfer unit 20 is moved. May be driven by driving the second transfer unit 20.
Therefore, the substrate transfer apparatus according to the present invention can perform a complex function such as raising and lowering the substrate, changing the transfer direction of the substrate, and entering and exiting the substrate by a fork using a single device. By realizing the device, space utilization can be improved.
In addition, since the moving distance of the substrate can be shortened, the production efficiency can be improved, and the size of the clean facility for manufacturing the liquid crystal display can be reduced, thereby reducing the manufacturing cost.
As described above, the substrate transfer apparatus according to the present invention can perform a complex function such as raising and lowering the substrate, changing the transfer direction of the substrate, and entering and exiting the substrate by a fork using a single device. It is possible to improve space utilization by realizing a compact substrate transfer device.
What has been described above is only one embodiment for implementing the substrate transfer apparatus according to the present invention, the present invention is not limited to the above-described embodiment, and having ordinary knowledge in the art within the technical spirit of the present invention Of course, various modifications are possible by the user.
A first transfer unit for transferring the substrate,
A second transfer unit disposed above the first transfer unit to transfer the substrate;
A lifting / lowering unit for lifting / lowering the second transfer unit,
And the second transfer unit transfers the substrate to the first transfer unit or receives the substrate on the first transfer unit as the second transfer unit moves up or down.
The method of claim 1, wherein the first transfer unit is formed between the first roller portion for transferring the substrate, the first driving portion for driving the first roller portion, and the first roller portion to allow fork entry Substrate transfer apparatus comprising a fork entry.
The method of claim 2, wherein the first roller unit is a first roller connected to the drive unit, a second roller rotatably fixed to the upper portion of the first roller, and transmitting the rotational force of the first roller to the second roller Substrate transfer apparatus comprising a belt to.
The method of claim 3, wherein the second transfer unit includes a second roller portion for transferring the substrate, and a second driving portion for driving the second roller portion,
And the second roller portion and the second driving portion are disposed so that interference with the first roller portion does not occur when the second transfer unit descends.
The method of claim 1, wherein the first and second transfer units are arranged such that the transfer direction of the substrate transferred by the first transfer unit and the transfer direction of the substrate transferred by the second transfer unit are perpendicular to each other. Substrate transfer device.
KR1020070074894A 2007-07-26 2007-07-26 Substrate conveyor KR101427595B1 (en)
KR1020070074894A KR101427595B1 (en) 2007-07-26 2007-07-26 Substrate conveyor
KR20090011381A true KR20090011381A (en) 2009-02-02
KR101427595B1 KR101427595B1 (en) 2014-08-08
ID=40682518
KR (1) KR101427595B1 (en)
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