Liquid crystal screen storage device

Abstract

This utility model relates to a liquid crystal display (LCD) storage device, comprising a main frame, on which a conveying mechanism, a main storage rack, and a lifting mechanism are sequentially arranged. One end of the main storage rack has multiple storage slots. The fixed end of the lifting mechanism is fixedly connected to the main frame, and the moving end of the lifting mechanism is fixedly connected to the other end of the main storage rack. The conveying mechanism is fixedly connected to the main frame, and is located near the opening of the storage slots of the main storage rack. This utility model employs a multi-layer structure for storing LCDs, resulting in a small footprint. Furthermore, the lifting mechanism and conveying mechanism work together to facilitate the use of robotic arms or other gripping devices to transport the LCDs. The robotic arms or other gripping devices grip or transport the LCDs via the conveying mechanism, thereby reducing the travel distance of the robotic arms or other gripping devices, thus lowering production costs and improving production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of LCD screen storage technology, and specifically to an LCD screen storage device. Background Technology

[0002] During LCD screen inspection, defective products typically require manual re-inspection or secondary testing. This necessitates a storage device to temporarily store defective products. When the equipment is idle, or after manual selection, the defective products are released from the storage device for further manual re-inspection or secondary testing. Sometimes, storage devices are also installed at the upstream station of the inspection station. To prevent material accumulation, LCD screens that cannot be inspected immediately are allowed to flow into the storage device and then released for inspection when the equipment is idle. Existing storage devices usually have multiple storage slots, each holding one LCD screen. Therefore, when storing more LCD screens, the area occupied is large, causing excessive travel of robotic arms or other gripping devices when transporting the LCD screens, thus increasing production costs. Utility Model Content

[0003] In order to solve the technical problems in the prior art, such as the large area occupied by the storage device, which causes the excessive stroke of the robot or other gripping device when transporting the LCD screen, thereby increasing the production cost, this utility model provides an LCD screen storage device.

[0004] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A liquid crystal display (LCD) screen storage device includes a main frame, on which a conveying mechanism, a main storage rack, and a lifting mechanism are sequentially arranged. One end of the main storage rack has multiple storage slots for storing LCD screens. The fixed end of the lifting mechanism is fixedly connected to the main frame, and the moving end of the lifting mechanism is fixedly connected to the other end of the main storage rack. The conveying mechanism is fixedly connected to the main frame, and the opening of each storage slot faces the conveying mechanism. The lifting mechanism drives the main storage rack to reciprocate vertically. The conveying mechanism transports the LCD screens to the storage slots on the main storage rack when warehousing is required, and transports the LCD screens out of the storage slots on the main storage rack when outgoing for inspection or unloading.

[0005] The beneficial effects of this utility model are as follows: the lifting mechanism drives the main storage rack to move up and down, facilitating the transport mechanism to move LCD screens to each slot of the main storage rack. When it is necessary to retrieve the LCD screens, the main storage rack can be moved to retrieve the LCD screens from each slot. It can be seen that this utility model adopts a multi-layer structure for storing LCD screens, which occupies a small area. At the same time, by using the lifting mechanism and the transport mechanism in coordination, when transporting LCD screens by a robotic arm or other gripping device, the robotic arm or other gripping device can grip or transport the LCD screens on the transport mechanism, thereby reducing the stroke of the robotic arm or other gripping device, thus reducing production costs and improving production efficiency.

[0006] Based on the above technical solution, the present invention can be further improved as follows.

[0007] Furthermore, the plurality of storage slots are linearly distributed along the lifting direction of the lifting mechanism, and each storage slot is horizontally disposed on the main storage rack.

[0008] Furthermore, the conveying mechanism sequentially includes a storage conveying group, an intermediate conveying group, and a material unloading conveying group; the storage conveying group is used to transport the LCD screen to the storage slot on the main storage rack when there is an inbound demand; the intermediate conveying group is used to transport the LCD screen out of the storage slot on the main storage rack when there is an outbound re-inspection demand; and the material unloading conveying group is used to transport the LCD screen out of the storage slot on the main storage rack when there is a material unloading demand.

[0009] The beneficial effect of adopting the above-mentioned further solution is that by setting up a storage and conveying group, an intermediate conveying group, and a unloading conveying group, the storage and conveying group can respectively transport materials for storage, re-inspection and unloading, and unload materials to the LCD screen on the main storage rack of the storage mechanism, thereby facilitating the control and measurement of incoming materials. Furthermore, there are multiple storage and transport groups, each of which includes two opposing first roller groups. Each first roller group includes a first roller shaft and a roller drive mechanism for driving the roller shaft to rotate. Multiple first rollers are sleeved on the first roller shaft, and the multiple first rollers are arranged alternately. Each first roller is fixedly connected to the first roller shaft.

[0010] Furthermore, it also includes an entry position sensor, which is disposed between two first roller groups of at least one of the storage and transport groups, and the entry position sensor is fixedly disposed on the main frame.

[0011] The beneficial effect of adopting the above-mentioned further solution is that, by setting an entrance position sensor, it is possible to detect whether there is an LCD screen in the roller group at the entrance position, so as to monitor whether the roller group at the entrance position is idle.

[0012] Furthermore, there are multiple intermediate transport groups, each of which includes two opposing second roller groups. Each second roller group includes a second roller shaft and a roller drive mechanism for driving the roller shaft to rotate. Multiple second rollers are sleeved on the second roller shaft, and the multiple second rollers are arranged alternately. Each second roller is fixedly connected to the second roller shaft.

[0013] Furthermore, it also includes a mid-position sensor, which is disposed between two second roller groups of at least one of the intermediate transport groups, and the mid-position sensor is fixedly disposed on the main frame.

[0014] The beneficial effect of adopting the above-mentioned further solution is that, by setting a mid-position sensor, it is possible to detect whether there is an LCD screen in the roller group of the intermediate re-inspection discharge position, so as to monitor whether the roller group of the intermediate re-inspection discharge position is idle.

[0015] Furthermore, there are multiple material feeding and conveying groups, each of which includes two opposing third roller groups. Each third roller group includes a third roller shaft and a roller drive mechanism for driving the third roller shaft to rotate. Multiple third rollers are sleeved on the roller shaft, and the multiple third rollers are arranged alternately. Each third roller is fixedly connected to the third roller shaft.

[0016] Furthermore, it also includes a stop position sensor, which is disposed between two of the third roller groups of at least one of the material feeding and conveying groups, and the stop position sensor is fixedly disposed on the main frame.

[0017] The advantage of adopting the above-mentioned further solution is that, by setting a stop position sensor, it is possible to detect whether there is an LCD screen in the roller assembly of the unloading position, so as to monitor whether the roller assembly of the unloading position is idle.

[0018] The advantage of adopting the above-mentioned further solution is that, by setting a stop position sensor, it is possible to detect whether there is an LCD screen in the roller assembly of the unloading position, so as to monitor whether the roller assembly of the unloading position is idle.

[0019] Furthermore, the lifting mechanism includes a lifting execution component and a lifting drive component. The fixed end of the lifting execution component is fixedly connected to the main frame, and the moving end of the lifting execution component is fixedly connected to the other end of the main storage rack. The lifting drive component is fixed to the main frame, and the driving end of the lifting drive component is connected to the lifting execution component. The lifting drive component is used to drive the lifting execution component to reciprocate in the vertical direction. Attached Figure Description

[0020] Figure 1 This is a top view of the present invention; Figure 2 This is a front view of the storage roller mechanism of this utility model.

[0021] The attached diagram lists the components represented by each number as follows: 1. Transport roller table, 2. Roller drive mechanism, 3. Conveying mechanism, 4. Roller fixing frame, 5. Main storage rack, 6. Main frame, 7. Lifting mechanism, 8. First lifting drive motor, 9. Second lifting drive motor, 10. Entrance position sensor, 11. Middle position sensor, 12. Stop position sensor. Detailed Implementation

[0022] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.

[0023] like Figure 1 As shown, this embodiment provides a liquid crystal display (LCD) screen storage device, including a main frame 6. A conveying mechanism 3, a main storage rack 5, and a lifting mechanism 7 are sequentially arranged on the main frame 6. The main storage rack 5 is located within the main frame 6, and one end of the main storage rack 5 has a storage slot. Multiple storage slots are used to store LCD screens. The fixed end of the lifting mechanism 7 is fixedly connected to the main frame 6, and the moving end of the lifting mechanism 7 is fixedly connected to the other end of the main storage rack 5. The conveying mechanism 3 is fixedly connected to the main frame 6, and the opening of the storage slot faces the conveying mechanism 3. The lifting mechanism 7 drives the main storage rack 5 to reciprocate vertically. The conveying mechanism 3 transports the LCD screen to the storage slot on the main storage rack 5 when there is an inbound requirement, and transports the LCD screen out of the storage slot on the main storage rack 5 when there is an outbound inspection or unloading requirement. Multiple storage slots are linearly distributed along the lifting direction of the lifting mechanism 7, and each storage slot is horizontally arranged on the main storage rack.

[0024] The lifting mechanism 7 includes a lifting execution component and a lifting drive component. The fixed end of the lifting execution component is fixedly connected to the main frame 6, and the moving end of the lifting execution component is fixedly connected to the other end of the main storage rack. The lifting drive component is fixed on the main frame 6, and the driving end of the lifting drive component is connected to the lifting execution component. The lifting drive component is used to drive the lifting execution component to move back and forth in the vertical direction.

[0025] There are two lifting drive components: a first lifting drive motor 8 and a second lifting drive motor 9. There are also two lifting actuation components, each including a lead screw and a lead screw nut. The lead screw and nut are fixed to the main storage rack 5, and both ends of the lead screw are connected to the main frame 6 via bearings and bearing seats, respectively. One end of the lead screw of each of the two lifting actuation components is connected to the shaft of the first lifting drive motor 8 and the shaft of the second lifting drive motor 9 via a worm gear reducer. The first lifting drive motor 8 and the second lifting drive motor 9 are fixed to the main frame 6. The shaft of the first lifting drive motor 8 is connected to the input shaft of the first worm gear reducer via a coupling. The output shaft of the first worm gear reducer is connected to one end of the lead screw of one of the two lifting actuators via a coupling. The shaft of the second lifting drive motor 9 is connected to the input shaft of the second worm gear reducer via a coupling. The output shaft of the second worm gear reducer is connected to one end of the lead screw of the other of the two lifting actuators via a coupling. The housings of the first and second worm gear reducers are both fixed to the main frame 6 by screws or bolts.

[0026] In this embodiment of the invention, the lifting mechanism 7 drives the main storage rack 5 to move up and down, facilitating the transport mechanism 3 to transport LCD screens to each slot of the main storage rack 5. When it is necessary to retrieve the LCD screens, the main storage rack 5 is moved to perform the retrieval operation. As can be seen, this invention adopts a multi-layer structure for storing LCD screens, which occupies a small area. At the same time, the lifting mechanism 7 works in conjunction with the transport mechanism 3 to facilitate the use of robotic arms or other gripping devices to transport LCD screens. The robotic arms or other gripping devices perform the gripping or transporting of LCD screens on the transport mechanism 3, thereby reducing the stroke of the robotic arms or other gripping devices, thus reducing production costs and improving production efficiency.

[0027] like Figure 2As shown, the conveying mechanism 3 includes a storage conveying group, an intermediate conveying group, and an unloading conveying group in sequence. The storage conveying group, intermediate conveying group, and unloading conveying group are arranged linearly from top to bottom in the vertical direction. The storage conveying group is used to transport the LCD screen to the storage slot on the main storage rack 5 when there is an inbound requirement. The intermediate conveying group is used to transport the LCD screen out of the storage slot on the main storage rack 5 when there is an outbound re-inspection requirement. The unloading conveying group is used to transport the LCD screen out of the storage slot on the main storage rack 5 when there is an unloading requirement.

[0028] By setting up storage and conveying groups, intermediate conveying groups, and unloading conveying groups, the storage and conveying groups can be used to transport materials, re-inspection and unloading materials to the LCD screen on the main storage rack 5, respectively, so as to control and measure the incoming materials.

[0029] There are multiple storage and transport groups arranged linearly along a vertical direction. Each storage and transport group includes two opposing roller sets. Each roller set includes a roller shaft and a roller drive mechanism 2 for driving the roller shaft to rotate. Multiple rollers are sleeved on the roller shaft, and the multiple rollers are arranged alternately. Each roller is fixedly connected to the roller shaft. The roller drive mechanism 2 can adopt a structure of a motor and a reducer, that is, using a motor and a reducer to drive the roller shaft to rotate.

[0030] In some embodiments, the liquid crystal display storage device further includes an entry position sensor 10, which is disposed between two roller groups of at least one of the storage transport groups and is fixedly mounted on the main frame 6.

[0031] By setting the entrance position sensor 10, it is possible to detect whether there is an LCD screen in the roller group at the entrance position, so as to monitor whether the roller group at the entrance position is idle.

[0032] There are multiple intermediate transport groups, which are arranged linearly along the vertical direction. Each intermediate transport group includes two roller groups arranged opposite each other. Each roller group includes a roller shaft and a roller drive mechanism 2 for driving the roller shaft to rotate. Multiple rollers are sleeved on the roller shaft, and the multiple rollers are arranged alternately. Each roller is fixedly connected to the roller shaft.

[0033] In some embodiments, the liquid crystal display storage device further includes a center position sensor 11, which is disposed between two roller groups of at least one intermediate transport group and is fixedly mounted on the main frame 6.

[0034] By setting the middle position sensor 11, it is possible to detect whether there is an LCD screen in the roller group of the middle re-inspection discharge position, so as to monitor whether the roller group of the middle re-inspection discharge position is idle.

[0035] There are multiple material feeding and conveying groups, which are arranged linearly along the vertical direction. Each material feeding and conveying group includes two roller groups arranged opposite each other. Each roller group includes a roller shaft and a roller drive mechanism 2 for driving the roller shaft to rotate. Multiple rollers are sleeved on the roller shaft, and the multiple rollers are arranged alternately. Each roller is fixedly connected to the roller shaft.

[0036] In some embodiments, the liquid crystal display storage device further includes a stop position sensor 12, which is disposed between two roller groups of at least one of the material feeding and conveying groups, and is fixedly disposed on the main body frame 6.

[0037] By setting a stop position sensor 12, it is possible to detect whether there is an LCD screen in the roller assembly at the material unloading position, so as to monitor whether the roller assembly at the material unloading position is idle.

[0038] The principle of the rollers arranged opposite each other is that when two or more sets of rollers rotate in opposite directions, the LCD screen will move in the normal direction of the rotation of the rollers under the drive of the two or more sets of rollers.

[0039] The entrance position sensor 10, the middle position sensor 11, and the stop position sensor 12 can all be through-beam photoelectric switches or proximity photoelectric switches. When it is a through-beam photoelectric switch, the transmitter and receiver of the through-beam photoelectric switch are respectively set on the main frame 6 connecting the two ends of the roller shaft; when an LCD screen passes by or is located between two oppositely arranged roller groups, the through-beam photoelectric switch is triggered. When it is a proximity photoelectric switch, it can be directly set on the main frame 6.

[0040] The initial position of the main storage rack 5 is lower than the upper edge of the storage and conveying group. When the inlet sensor 10, the middle sensor 11, and the stop sensor 12 all have no signal and the rollers are not rotating, the storage and conveying group is considered to be in an idle state. When an NG LCD screen flows into the storage and conveying group, the inlet sensor 10 is triggered and fails, the rollers of the storage and conveying group stop rotating, and the storage operation is completed. Driven by the motor, the main storage rack 5 rises a specific distance h, which is the height of each layer of the storage device. The uppermost slot of the main storage rack 5, i.e., the first layer, will lift the NG LCD screen off the rollers, meaning the NG LCD screen is stored in the first layer of the main storage rack 5. When another NG LCD screen flows in, it is stored in the second layer of the main storage rack 5 according to the above process, and so on. The layer number of LCD screens stored will establish a material presence flag. Storage can only continue when the stored quantity m is less than the storeable quantity M; otherwise, entry into the storage device will be prohibited. When a re-inspection is required midway, the intermediate transport group of the transport roller table 1 is used to transport the LCD screen in the main storage rack 5 to the transport roller table 1 so that it can flow into the re-inspection station for re-inspection.

[0041] When it is necessary to remove the LCD screen from the storage device, first determine whether the unloading conveyor group is idle. When idle, the main storage rack 5 descends by h. Assuming that 5 screens have been stored, the 5th layer is above the rollers of the unloading conveyor group. After descending by h, the 5th layer will move between the two roller groups set opposite to each other in the unloading conveyor group. After the main storage rack 5 stops moving, the rollers rotate and transport the LCD screen out, so that the robot or other gripping device can grab the transported LCD screen.

[0042] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the concept and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A liquid crystal display storage device, characterized in that: The system includes a main frame (6), on which a conveying mechanism (3), a main storage rack (5), and a lifting mechanism (7) are sequentially arranged. One end of the main storage rack (5) has a storage slot, and there are multiple storage slots. The storage slots are used to store LCD screens. The fixed end of the lifting mechanism (7) is fixedly connected to the main frame (6), and the moving end of the lifting mechanism (7) is fixedly connected to the other end of the main storage rack (5). The conveying mechanism (3) is fixedly connected to the main frame (6), and the opening of the storage slot faces the conveying mechanism (3). The lifting mechanism (7) is used to drive the main storage rack (5) to move back and forth in the vertical direction. The conveying mechanism (3) is used to transport the LCD screen to the storage slot on the main storage rack (5) when there is a need for warehousing, and to transport the LCD screen out of the storage slot on the main storage rack (5) when there is a need for re-inspection or unloading.

2. The liquid crystal display storage device according to claim 1, characterized in that: The multiple storage slots are linearly distributed along the lifting direction of the lifting mechanism (7), and each storage slot is horizontally arranged on the main storage rack.

3. The liquid crystal display storage device according to claim 1, characterized in that: The conveying mechanism (3) includes a storage conveying group, an intermediate conveying group, and a material unloading conveying group in sequence. The storage conveying group is used to transport the LCD screen to the storage slot on the main storage rack (5) when there is an inbound demand. The intermediate conveying group is used to transport the LCD screen out of the storage slot on the main storage rack (5) when there is an outbound re-inspection demand. The material unloading conveying group is used to transport the LCD screen out of the storage slot on the main storage rack (5) when there is a material unloading demand.

4. The liquid crystal display storage device according to claim 3, characterized in that: There are multiple storage and transport groups. Each storage and transport group includes two opposing first roller groups. Each first roller group includes a first roller shaft and a roller drive mechanism (2) for driving the roller shaft to rotate. Multiple first rollers are sleeved on the first roller shaft. The multiple first rollers are arranged alternately. Each first roller is fixedly connected to the first roller shaft.

5. The liquid crystal display storage device according to claim 4, characterized in that: It also includes an entrance position sensor (10), which is disposed between two first roller groups of at least one of the storage and transport groups, and is fixedly disposed on the main frame (6).

6. The liquid crystal display storage device according to claim 3, characterized in that: There are multiple intermediate transport groups, and each intermediate transport group includes two opposing second roller groups. Each second roller group includes a second roller shaft and a roller drive mechanism (2) for driving the roller shaft to rotate. Multiple second rollers are sleeved on the second roller shaft, and the multiple second rollers are arranged alternately. Each second roller is fixedly connected to the second roller shaft.

7. The liquid crystal display storage device according to claim 6, characterized in that: It also includes a mid-position sensor (11), which is disposed between two second roller groups of at least one of the intermediate transport groups and is fixedly disposed on the main frame (6).

8. The liquid crystal display storage device according to claim 3, characterized in that: There are multiple material feeding and conveying groups. Each material feeding and conveying group includes two oppositely arranged third roller groups. Each third roller group includes a third roller shaft and a roller drive mechanism (2) for driving the third roller shaft to rotate. Multiple third rollers are sleeved on the roller shaft. The multiple third rollers are arranged alternately. Each third roller is fixedly connected to the third roller shaft.

9. The liquid crystal display storage device according to claim 8, characterized in that: It also includes a stop position sensor (12), which is located between two of the third roller groups of at least one of the feeding conveyor groups, and the stop position sensor (12) is fixedly mounted on the main frame (6).

10. The liquid crystal display storage device according to claim 1, characterized in that: The lifting mechanism (7) includes a lifting execution component and a lifting drive component. The fixed end of the lifting execution component is fixedly connected to the main frame (6), and the moving end of the lifting execution component is fixedly connected to the other end of the main storage rack. The lifting drive component is fixed on the main frame (6), and the driving end of the lifting drive component is connected to the lifting execution component. The lifting drive component is used to drive the lifting execution component to move back and forth in the vertical direction.

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