CN211318242U - Computer LCD screen light guide plate white-left visual detection device - Google Patents
Computer LCD screen light guide plate white-left visual detection device Download PDFInfo
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- CN211318242U CN211318242U CN201922201137.4U CN201922201137U CN211318242U CN 211318242 U CN211318242 U CN 211318242U CN 201922201137 U CN201922201137 U CN 201922201137U CN 211318242 U CN211318242 U CN 211318242U
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- light guide
- guide plate
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- detection device
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- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 230000000007 visual effect Effects 0.000 title claims description 15
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 19
- 230000001360 synchronised effect Effects 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000007689 inspection Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000007958 sleep Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a computer liquid crystal display light guide plate white-left vision detection device, which comprises a frame; the rack comprises an upper movable support and a fixed base, a guide rail is arranged at the top of the fixed base, and a sliding block is arranged on the guide rail in a sliding manner; the upper moving support is arranged on the sliding block, a light guide plate conveying mechanism is arranged at the top of the upper moving support and comprises a driving shaft, three driven shafts, a pair of synchronous belt wheels, two conveying belts and a synchronous belt; the driving shaft and the three driven shafts are sequentially arranged, wherein two driven shafts are connected through a conveying belt to serve as a front-end conveying belt, and the other driven shaft and one driving shaft are connected through another conveying belt to serve as a rear-end conveying belt; the utility model discloses can realize that computer liquid crystal light guide plate leaves white automated inspection, mechanical structure is simple, the stable performance, long service life. Can replace manual labor, improve detection efficiency and detection accuracy, and reduce production cost.
Description
Technical Field
The utility model relates to a computer liquid crystal light guide plate stays white and detects technical field, concretely relates to computer liquid crystal light guide plate stays white detection device.
Background
The margins on the two sides of the computer liquid crystal light guide plate are easy to be damaged, mainly have wired scratches and point defects in the processing and transportation processes; in addition, in the process of grinding the light guide plate, the light guide plate may be subjected to white residue and less grinding or ultra-grinding, so that the size is not satisfactory. The blank is not in accordance with the standard, which will affect the normal assembly and display of the LCD screen. At present, the traditional computer liquid crystal light guide plate blank detection operation is completed in a manual mode. This mode needs the manual work under the highlight condition, with the certain angle of light guide plate skew, whether the range estimation light guide plate both sides are left white and have the damage, and is great to the human injury, and long-time operation produces fatigue easily, reduces detection efficiency and degree of accuracy, and because light guide plate is in large quantity, the cost of labor that needs is high. In addition, the efficiency of blank detection is low, which causes the low efficiency of the whole computer liquid crystal light guide plate production line.
Therefore, it is necessary to design an automatic computer liquid crystal light guide plate blank detection device which can automatically detect the blank of a computer liquid crystal light guide plate, can be automatically butted with a production line, has high efficiency and low cost, and can adapt to human-computer interaction operation, and the prior art needs to be improved.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an efficient computer LCD screen light guide plate leaves white visual detection device.
In order to solve the technical problem, the utility model provides a computer liquid crystal display light guide plate blank visual detection device;
the device comprises a rack, wherein the rack comprises an upper movable support and a fixed base, a guide rail is arranged at the top of the fixed base, and a sliding block is arranged on the guide rail in a sliding manner; the upper moving bracket is arranged on the sliding block;
the top of the upper moving support is provided with a light guide plate conveying mechanism, and the light guide plate conveying mechanism comprises a driving shaft, three driven shafts, a pair of synchronous belt wheels, two conveying belts and a synchronous belt; the driving shaft and the three driven shafts are sequentially arranged, wherein two driven shafts are connected through a conveying belt to serve as a front-end conveying belt, and the other driven shaft and one driving shaft are connected through another conveying belt to serve as a rear-end conveying belt; two synchronous belt wheels are respectively arranged on the driven shafts adjacent to the front and rear end conveying belts and are in transmission connection through a synchronous belt;
an industrial camera is arranged right above a gap between the adjacent driven shafts of the front-end and rear-end conveying belts, a backlight source is arranged right below the gap between the adjacent driven shafts of the front-end and rear-end conveying belts, and the backlight source is matched with the industrial camera for use.
As right the utility model discloses computer LCD screen light guide plate leaves white visual detection device's improvement:
the backlight passes through the slip table setting on upper portion removes the support.
As right the utility model discloses computer LCD screen light guide plate leaves white visual detection device's further improvement:
the number of the industrial cameras is two, and the two industrial cameras can be arranged in a left-right sliding mode.
As right the utility model discloses computer LCD screen light guide plate leaves white visual detection device's further improvement:
and a photoelectric sensor is arranged on the conveyor belt.
The utility model discloses computer LCD screen light guide plate leaves white visual detection device's technical advantage does:
the utility model provides a liquid crystal light guide plate stay white detect need a large amount of artificial problems, can realize that many specifications liquid crystal light guide plate stays white automated inspection, dock mutually with whole liquid crystal light guide plate production line, and then realize the integrated operation of whole light guide plate production flow. The utility model discloses the input cost is low, and rate of accuracy, work efficiency are high, can reduce artifical intensity of labour by a wide margin.
Compared with the prior art, the utility model has the advantages as follows:
1. the utility model discloses can realize that computer liquid crystal light guide plate leaves white automated inspection, mechanical structure is simple, the stable performance, long service life. The manual labor can be replaced, the detection efficiency and the detection accuracy are improved, and the production cost is reduced;
2. the utility model can not only detect the defect of computer liquid crystal light guide plate blank, but also detect whether the size of the blank meets the requirement;
3. the utility model discloses when not having the light guide plate to examine, the automatic dormancy state that gets into of industry camera, the using electricity cost is practiced thrift.
4. The utility model discloses can dock with whole light guide plate production water line, greatly improve the efficiency of whole production line.
Drawings
The following describes the present invention in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a diagram of the gantry mechanism of FIG. 1;
FIG. 3 is a diagram of the light guide plate conveyor of FIG. 1;
FIG. 4 is a rear view of FIG. 1;
FIG. 5 is a side view of FIG. 1;
fig. 6 is a schematic structural diagram of the backlight 38 and the industrial camera 1 in fig. 1.
In the figure: 1. industrial camera, 2, unable adjustment base, 3, guide rail, 5, driven shaft, 7, driving shaft, 8, upper portion movable support, 9, conveyer belt, 10, door-shaped frame, 12, hold-in range, 13, synchronous pulley, 15, slider, 38, backlight, 40, photoelectric sensor, 43, computer support, 48, computer display, 49, visual control ware, 52, mouse, 58, keyboard, 59, light guide plate, 61, alarm lamp, 62, trough.
Detailed Description
The invention will be further described with reference to specific examples, but the scope of the invention is not limited thereto.
Embodiment 1, computer LCD screen light guide plate leaves white visual detection device, as shown in fig. 1-5, includes the frame, and the frame includes upper portion movable support 8 and unable adjustment base 2 two parts, and the left and right sides at unable adjustment base 2 top all is equipped with guide rail 3, has two sliders 15 on every guide rail. The upper moving carriage 8 is fixed to four sliders 15 (only two are shown in fig. 1) which are slidable back and forth in the direction of the guide rail 3.
The upper moving frame 8 is fixedly provided at the top with a light guide plate transfer mechanism, as shown in fig. 3, for transferring a light guide plate 59. The light guide plate conveying mechanism consists of a driving shaft 7, three driven shafts 5, a pair of synchronous belt wheels 13, two conveying belts 9, a synchronous belt 12 and a conveying belt roller sleeve. The conveying belt roller sleeves are fixed on the driving shaft and the driven shaft and used for connecting the shafts with the conveying belt. A driving shaft 7 and three driven shaft 5 set gradually, and light guide plate conveying mechanism divide into front end conveyer belt and rear end conveyer belt, and wherein two driven shafts 5 are connected the back through conveyer belt 9 and are regarded as the front end conveyer belt, and a driven shaft 5 and a driving shaft 7 are connected the back through another conveyer belt 9 and are regarded as the rear end conveyer belt, and conveyer belt 9 is removed by the front end to the rear end. Two driven shafts 5 (two driven shafts 5 adjacent to the rear end and the front end) adjacent to the middle of the light guide plate conveying mechanism are respectively provided with a synchronous belt wheel 13, and the two synchronous belt wheels 13 are in transmission connection through a synchronous belt 12, so that the speeds of the front and rear conveying belts are consistent.
A backlight 38 is fixed on the frame of the upper moving support 8, and the backlight 38 is located below the light guide plate conveying mechanism (the conveyor belt 9) and used in cooperation with the industrial camera 1 to provide a light source for the industrial camera 1 to scan the white space on the light guide plate 59. The backlight source 38 is fixed on the upper moving support 8 through a sliding table, and can adjust the position of two degrees of freedom, up and down, left and right, according to the blank detection requirement. The backlight source 38 is located right below the gap between the driven shafts 5 of the front and rear end conveyor belts, and the backlight source 38 fills light for the work of the two industrial cameras 1 through the gap between the driven shafts 5 of the front and rear end conveyor belts.
The other frame of the upper moving support 8 is provided with a photoelectric sensor 40, and the photoelectric sensor 40 is positioned right below the front end of the light guide plate conveying mechanism, so that whether the light guide plate 59 needs to be detected or not can be detected in advance. If the light guide plate 59 does not pass through for a certain period of time, the industrial camera 1 temporarily sleeps, and power consumption cost is saved.
The bottom end of the upper movable support 8 is provided with a visual controller 49, and the interior of the upper movable support contains a computer host and a light source controller for controlling the blank detection process;
the upper moving bracket 8 is provided with a computer bracket 43 for placing computer equipment such as a keyboard 58, a mouse 52 and the like.
The frames at the left side and the right side of the upper movable support are provided with door-shaped frames 10 which are fixedly connected through die-casting corner seats.
The upper frame of the door-shaped frame 10 is a computer display mounting bracket and is fixed with a computer display 48; the lower frame is the industry camera installing support, is fixed with 1 area bottom plate slip tables of two industry cameras, and 1 is located the driven shaft 5 of front and back end conveyer belt directly over in the clearance, and 1 accessible slip tables of industry camera are removed about to the detection that the adaptation was left white to not unidimensional light guide plate.
An L-shaped wiring groove 62 is arranged at the vertical included angle between the door-shaped frame 10 and one side of the upper movable support 8 and is used for placing a control circuit of equipment.
The alarm lamp 61 is installed in the upper right corner of the door-shaped frame 10, and when the measured white left on the light guide plate 59 is damaged or the size of the measured white left is not satisfactory, an alarm can be automatically given to remind a worker to timely handle the white left.
The utility model discloses a concrete working method as follows:
1. the staff sets up various parameters through the computer (the vision controller 49);
2. starting and initializing the device, and normally operating all components except the industrial camera 1 in a dormant state;
2. the photoelectric sensor 40 detects that the light guide plate 59 passes through, the industrial camera 1 exits from the dormant state, and the light guide plate 59 is detected to be left blank;
3. if the detected blank is not damaged and the size is qualified, the light guide plate smoothly passes through; if the blank exists, an alarm lamp 61 is used for giving an alarm to remind a worker to process the blank in time;
4. repeating the process 3 until all the liquid crystal light guide plates are detected;
5. after the detection is finished, the industrial camera 1 enters a dormant state because the photoelectric sensor 40 does not detect the light guide plate;
6. the device is shut down.
Finally, it is also noted that the above-mentioned list is only a few specific embodiments of the present invention. Obviously, the present invention is not limited to the above embodiments, and many modifications are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.
Claims (4)
1. Computer LCD screen light guide plate leaves white visual detection device, its characterized in that: comprises a frame;
the rack comprises an upper movable support (8) and a fixed base (2), the top of the fixed base (2) is provided with a guide rail (3), and a sliding block (15) is arranged on the guide rail in a sliding manner; the upper moving support (8) is arranged on the sliding block (15);
the top of the upper moving support (8) is provided with a light guide plate conveying mechanism, and the light guide plate conveying mechanism comprises a driving shaft (7), three driven shafts (5), a pair of synchronous pulleys (13), two conveying belts (9) and a synchronous belt (12); the driving shaft (7) and the three driven shafts (5) are sequentially arranged, wherein the two driven shafts (5) are connected through a conveyor belt (9) and then serve as front-end conveyor belts, and the other driven shaft (5) and the driving shaft (7) are connected through another conveyor belt (9) and then serve as rear-end conveyor belts; a driven shaft (5) adjacent to the front and rear end conveying belts is respectively provided with a synchronous belt wheel (13), and the two synchronous belt wheels (13) are in transmission connection through a synchronous belt (12);
an industrial camera (1) is arranged right above a gap between the adjacent driven shafts (5) of the front-end and rear-end conveyor belts, a backlight source (38) is arranged right below the gap between the adjacent driven shafts (5) of the front-end and rear-end conveyor belts, and the backlight source (38) is matched with the industrial camera (1) for use.
2. The computer liquid crystal display light guide plate white-left visual detection device according to claim 1, characterized in that:
the backlight source (38) is arranged on the upper moving support (8) through a sliding table.
3. The computer liquid crystal display light guide plate white-left visual detection device according to claim 2, characterized in that:
the number of the industrial cameras (1) is two, and the two industrial cameras (1) can be arranged in a left-right sliding mode.
4. The computer liquid crystal display light guide plate white-left visual detection device according to claim 3, characterized in that:
and a photoelectric sensor (40) is arranged on the conveyor belt (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201922201137.4U CN211318242U (en) | 2019-12-10 | 2019-12-10 | Computer LCD screen light guide plate white-left visual detection device |
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CN201922201137.4U CN211318242U (en) | 2019-12-10 | 2019-12-10 | Computer LCD screen light guide plate white-left visual detection device |
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CN201922201137.4U Expired - Fee Related CN211318242U (en) | 2019-12-10 | 2019-12-10 | Computer LCD screen light guide plate white-left visual detection device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114371175A (en) * | 2021-11-08 | 2022-04-19 | 中科蓝海(扬州)智能视觉科技有限公司 | Detection method and device for gearbox gear based on machine vision |
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2019
- 2019-12-10 CN CN201922201137.4U patent/CN211318242U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114371175A (en) * | 2021-11-08 | 2022-04-19 | 中科蓝海(扬州)智能视觉科技有限公司 | Detection method and device for gearbox gear based on machine vision |
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Granted publication date: 20200821 |