CN110596923A - Compression-resistant detection device for LCD production - Google Patents
Compression-resistant detection device for LCD production Download PDFInfo
- Publication number
- CN110596923A CN110596923A CN201911009237.5A CN201911009237A CN110596923A CN 110596923 A CN110596923 A CN 110596923A CN 201911009237 A CN201911009237 A CN 201911009237A CN 110596923 A CN110596923 A CN 110596923A
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- China
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- display screen
- workbench
- driving
- driving belt
- lcd
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
Abstract
The invention provides a compression-resistant detection device for LCD production, which belongs to the technical field of LCD production and comprises a workbench, wherein a display screen pressing assembly and a display screen conveying assembly are arranged at the upper part of the workbench, the display screen conveying assembly comprises driven belt wheels respectively rotatably arranged at two sides of the workbench and a driving belt wheel rotatably arranged below the workbench, and the two groups of driven belt wheels are connected with the driving belt wheel through a transmission belt sleeve. In the embodiment of the invention, the driving belt is enabled to form a triangular structure by the arrangement of the two groups of driven belt wheels and the driving belt wheel, the driving belt wheel is driven to rotate intermittently by the up-and-down movement of the display screen pressing component, so that the intermittent operation of the driving belt is realized, a large number of display screens can be detected in sequence, the advantage of high detection efficiency is achieved, the phenomenon that the undetected display screens flow into the market is avoided, and the production quality of the display screens is improved.
Description
Technical Field
The invention belongs to the technical field of LCD (liquid crystal display) screen production, and particularly relates to a compression-resistant detection device for LCD screen production.
Background
LCD liquid crystal display need detect its self intensity when production, traditional mode is artifical the detection, it places in the press device below to wait to detect the display screen, wait to press the device to press and take out the display screen after the operation again, there is the problem that detection efficiency is comparatively low in this kind of mode, and receive detection efficiency's problem, artifical the detection can't carry out detection in turn to large batch display screen, can only carry out the spot check, the display screen that leads to the part to produce just flows in market without detecting, there is the quality hidden danger.
Disclosure of Invention
In view of the above deficiencies in the prior art, an embodiment of the present invention provides a compression-resistant detection apparatus for LCD liquid crystal display production.
In order to solve the technical problems, the invention provides the following technical scheme:
a compression-resistant detection device for LCD production comprises a workbench, wherein a display screen pressing assembly and a display screen conveying assembly are arranged on the upper portion of the workbench, the display screen conveying assembly comprises driven belt wheels which are respectively rotatably installed on two sides of the workbench and a driving belt wheel which is rotatably installed below the workbench, two groups of driven belt wheels are connected with the driving belt wheel through a transmission belt sleeve, a gear is installed on one side of the driving belt wheel, and the display screen pressing assembly controls the gear to intermittently rotate through the transmission assembly; the display screen pressing assembly comprises a support fixedly connected to the side face of the workbench, a hydraulic cylinder is mounted at the upper part of the support, a push rod is arranged at the output end of the hydraulic cylinder, and the push rod penetrates through the support and is fixedly connected with a pressing plate; the hydraulic cylinder is provided with a control electromagnetic valve; a photosensitive probe is arranged on one side above the workbench; the photosensitive probe is electrically connected with the electromagnetic valve. .
As a further improvement of the invention: the support is in a 7-shaped structure.
As a further improvement of the invention: the transmission assembly comprises a driving rod fixedly connected to one side of the pressing plate, a plurality of tooth sheets matched with the gears are arranged on the lower portion of one side of the driving rod in a rotating mode, and a fixing baffle plate for preventing the tooth sheets from rotating downwards is further arranged at the bottom of each tooth sheet.
As a still further improvement of the invention: one side of the driving rod is fixedly connected with a plurality of rotating bases which are in running fit with the tooth sheets.
As a still further improvement of the invention: the driven belt wheel is connected to the side face of the workbench through a first supporting rod, and the driving belt wheel is connected to the bottom of the workbench through a second supporting rod.
As a still further improvement of the invention: the side of the support is fixedly connected to the workbench through a plurality of connecting rods arranged at intervals, and one end, far away from the pressing plate, of the driving rod penetrates through the connecting rods and is matched with the gear.
Compared with the prior art, the invention has the beneficial effects that:
in the embodiment of the invention, the driving belt is enabled to form a triangular structure by the arrangement of the two groups of driven belt wheels and the driving belt wheel, the driving belt wheel is driven to rotate intermittently by the up-and-down movement of the display screen pressing component, so that the intermittent operation of the driving belt is realized, stable conditions are provided for the pressing operation of the display screen while the continuous feeding of the display screen is realized, and meanwhile, the display screen can be sequentially detected in large batch.
Drawings
FIG. 1 is a schematic structural view of a compression-resistant testing device for LCD production;
FIG. 2 is a schematic structural view of a display screen pressing assembly in the compression-resistant detection device for LCD production;
FIG. 3 is a schematic structural diagram of a transmission assembly in the compression-resistant detection device for LCD production;
FIG. 4 is an enlarged view of area A of FIG. 1;
in the figure: 1-hydraulic cylinder, 2-bracket, 3-workbench, 4-supporting leg, 5-driving belt, 6-driven belt wheel, 7-first supporting rod, 8-second supporting rod, 9-gear, 10-driving rod, 11-push rod, 12-press plate, 13-connecting rod, 14-driving belt wheel, 15-fixed baffle, 16-rotary base and 17-toothed sheet.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
Referring to fig. 1-4, the present embodiment provides a compression-resistant testing apparatus for LCD production, which includes a worktable 3. The upper part of the workbench 3 is provided with a display screen pressing component and a display screen conveying component. The display screen conveying assembly comprises driven belt wheels 6 which are respectively rotatably installed on two sides of the workbench 3 and a driving belt wheel 14 which is rotatably installed below the workbench 3, and the two groups of driven belt wheels 6 are connected with the driving belt wheel 14 in a sleeved mode through a transmission belt 5. A gear 9 is mounted on one side of the driving pulley 14. The display screen pressing component controls the gear 9 to rotate intermittently through the transmission component.
The bottom of the workbench 3 is provided with a supporting leg 4. The display screen pressing component comprises a bracket 2 fixedly connected to the side surface of the workbench 3. The support 2 is in a 7-shaped structure, and the upper part of the support 2 is provided with a hydraulic cylinder 1. The output end of the hydraulic cylinder 1 is provided with a push rod 11, and the push rod 11 penetrates through the support 2 and is fixedly connected with a pressing plate 12.
The hydraulic cylinder is provided with a control electromagnetic valve. One side above the workbench is provided with a photosensitive probe. The photosensitive probe is electrically connected with the electromagnetic valve.
To wait to detect the display screen and place on driving belt 5, the display screen presses down the subassembly and moves down and presses down the operation to waiting to detect the display screen that moves to display screen press down the subassembly below, wait to detect the display screen at present and press down the back that finishes, photosensitive probe transmits photosensitive signal to pneumatic cylinder solenoid valve, drive display screen press down subassembly rebound, drive gear 9 through driving assembly and rotate, and then drive driving pulley 14 rotates, order about driving belt 5 to move, the display screen that will press down to finish shifts out display screen press down the subassembly below, thereby wait to detect the display screen with another group and move to display screen press down the subassembly below, the display screen presses down the subassembly and moves down again, the completion is waited to detect the continuous of display screen and is pressed down.
When the display screen to be detected runs to the lower part of the pressing plate 12, the push rod 11 is driven to extend through the hydraulic cylinder 1, and the push rod 11 drives the pressing plate 12 to move towards the display screen to be detected and presses the display screen to be detected.
The transmission assembly includes a driving rod 10 fixedly connected to one side of a pressing plate 12. The lower part of one side of the driving rod 10 is rotatably provided with a plurality of tooth sheets 17 matched with the gear 9. The bottom of the toothed plate 17 is also provided with a fixed baffle 15 which prevents the toothed plate 17 from rotating downwards.
When the hydraulic cylinder 1 drives the pressing plate 12 to move downwards, the pressing plate 12 drives the driving rod 10 to move downwards, and the toothed sheet 17 is arranged on one side of the driving rod 10 in a rotating mode, so that when the pressing plate 12 drives the driving rod 10 to move downwards, the toothed sheet 17 rotates upwards, and the toothed sheets 17 can smoothly move to the position below the outlet wheel 9; after the operation is pressed to the display screen to clamp plate 12, pneumatic cylinder 1 drives clamp plate 12 and upwards removes, because the setting of fixed stop 15, it has the restriction effect to the downward rotation of tooth piece 17, make tooth piece 17 and gear 9 cooperate, it rotates to drive gear 9, and then order about driving belt 5 operation, transport the subsequent display screen that waits to detect to the clamp plate 12 below, when the whole tooth piece 17 in actuating lever 10 one side all moved to gear 9 top, gear 9 keeps motionless this moment, realize gear 9 and driving pulley 14's intermittent type transmission, and then make driving belt 5 carry indirectly to the display screen, in order to guarantee when the operation is pressed to the display screen, driving belt 5 is in the stop condition, provide the convenient condition for the detection of display screen.
A plurality of rotating bases 16 which are in running fit with the toothed sheets 17 are fixedly connected to one side of the driving rod 10.
The driven belt wheel 6 is connected to the side surface of the workbench 3 through a first support rod 7. The driving pulley 14 is connected to the bottom of the worktable 3 through a second supporting rod 8.
The working principle of the embodiment is as follows: to wait to detect the display screen and place on driving belt 5, the display screen presses down the subassembly and moves down and presses down the operation to waiting to detect the display screen that moves to display screen press down the subassembly below, wait to detect the display screen at present and press down the back that finishes, photosensitive probe transmits the pneumatic cylinder solenoid valve with photosensing signal, the display screen presses down subassembly rebound, drive gear 9 through driving assembly and rotate, and then drive driving pulley 14 rotates, order about driving belt 5 and move, the display screen that will press down to finish shifts out display screen press down the subassembly below, thereby wait to detect the display screen with another group and move to display screen press down the subassembly below, the display screen presses down the subassembly and moves down again, the completion is waited to detect the continuous of display screen and is pressed down.
When the display screen to be detected runs to the lower part of the pressing plate 12, the push rod 11 is driven to extend through the hydraulic cylinder 1, and the push rod 11 drives the pressing plate 12 to move towards the display screen to be detected and presses the display screen to be detected.
When the hydraulic cylinder 1 drives the pressing plate 12 to move downwards, the pressing plate 12 drives the driving rod 10 to move downwards, and the toothed sheet 17 is arranged on one side of the driving rod 10 in a rotating mode, so that when the pressing plate 12 drives the driving rod 10 to move downwards, the toothed sheet 17 rotates upwards, and the toothed sheets 17 can smoothly move to the position below the outlet wheel 9; after the operation is pressed to the display screen to clamp plate 12, pneumatic cylinder 1 drives clamp plate 12 and upwards removes, because the setting of fixed stop 15, it has the restriction effect to the downward rotation of tooth piece 17, make tooth piece 17 and gear 9 cooperate, it rotates to drive gear 9, and then order about driving belt 5 operation, transport the subsequent display screen that waits to detect to the clamp plate 12 below, when the whole tooth piece 17 in actuating lever 10 one side all moved to gear 9 top, gear 9 keeps motionless this moment, realize gear 9 and driving pulley 14's intermittent type transmission, and then make driving belt 5 carry indirectly to the display screen, in order to guarantee when the operation is pressed to the display screen, driving belt 5 is in the stop condition, provide the convenient condition for the detection of display screen.
Example 2
Referring to fig. 1, in the present embodiment, compared with embodiment 1, a pressure-resistant detection device for LCD liquid crystal display production is provided, in which a side of a bracket 2 is fixedly connected to a workbench 3 through a plurality of connecting rods 13 arranged at intervals. One end of the driving rod 10 far away from the pressure plate 12 penetrates through the connecting rods 13 and is matched with the gear 9 so as to conveniently move the driving rod 10 up and down.
In the embodiment of the invention, the two groups of driven belt wheels 6 and the driving belt wheel 14 are arranged, so that the driving belt 5 forms a triangular structure, the driving belt wheel 14 is driven to rotate intermittently by utilizing the up-and-down movement of the display screen pressing component, the intermittent operation of the driving belt 5 is further realized, stable conditions are provided for the pressing operation of the display screen while the continuous feeding of the display screen is realized, and the detection efficiency is high.
Claims (6)
1. The compression-resistant detection device for the production of the LCD comprises a workbench (3), and is characterized in that a display screen pressing assembly and a display screen conveying assembly are arranged on the upper portion of the workbench (3), the display screen conveying assembly comprises driven pulleys (6) which are respectively rotatably installed on two sides of the workbench (3) and a driving pulley (14) which is rotatably installed below the workbench (3), two groups of driven pulleys (6) are sleeved and connected with the driving pulley (14) through a transmission belt (5), a gear (9) is installed on one side of the driving pulley (14), and the display screen pressing assembly controls the gear (9) to rotate intermittently through the transmission assembly; the display screen pressing assembly comprises a support (2) fixedly connected to the side face of the workbench (3), a hydraulic cylinder (1) is mounted at the upper part of the support (2), a push rod (11) is arranged at the output end of the hydraulic cylinder (1), and the push rod (11) penetrates through the support (2) and is fixedly connected with a pressing plate (12); the hydraulic cylinder is provided with a control electromagnetic valve; a photosensitive probe is arranged on one side above the workbench; the photosensitive probe is electrically connected with the electromagnetic valve.
2. The anti-compression detection device for LCD production as claimed in claim 1, wherein the bracket (2) is in a 7-shaped structure.
3. The device for detecting the compression resistance in the LCD production according to claim 1, wherein the transmission assembly comprises a driving rod (10) fixedly connected to one side of the pressing plate (12), a plurality of tooth plates (17) matched with the gears (9) are rotatably arranged at the lower part of one side of the driving rod (10), and a fixed baffle (15) for preventing the tooth plates (17) from rotating downwards is further arranged at the bottom of the tooth plates (17).
4. The device for detecting the pressure resistance in the LCD production according to claim 3, wherein a plurality of rotating bases (16) which are rotatably matched with the teeth (17) are fixedly connected to one side of the driving rod (10).
5. The device for detecting the compression resistance in LCD production according to claim 1, wherein the driven pulley (6) is connected to the side of the workbench (3) through a first support rod (7), and the driving pulley (14) is connected to the bottom of the workbench (3) through a second support rod (8).
6. The device for detecting the compression resistance in the LCD screen production according to claim 3, wherein the bracket (2) is fixedly connected to the workbench (3) at the side by a plurality of connecting rods (13) arranged at intervals, and one end of the driving rod (10) far away from the pressing plate (12) penetrates through the connecting rods (13) and is matched with the gear (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911009237.5A CN110596923B (en) | 2019-10-22 | 2019-10-22 | Compression-resistant detection device for LCD production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911009237.5A CN110596923B (en) | 2019-10-22 | 2019-10-22 | Compression-resistant detection device for LCD production |
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| Publication Number | Publication Date |
|---|---|
| CN110596923A true CN110596923A (en) | 2019-12-20 |
| CN110596923B CN110596923B (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911009237.5A Active CN110596923B (en) | 2019-10-22 | 2019-10-22 | Compression-resistant detection device for LCD production |
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| CN (1) | CN110596923B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113320738A (en) * | 2021-06-07 | 2021-08-31 | 温辉棣 | Auxiliary display screen laminating equipment for processing and producing LED display screens |
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| CN209055397U (en) * | 2018-09-27 | 2019-07-02 | 东莞市海达仪器有限公司 | A kind of tension and compression testing device |
| CN209343077U (en) * | 2019-01-18 | 2019-09-03 | 深圳市晶瑞达显示器有限公司 | Detection device is used in a kind of production of LCD liquid crystal display screen |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6107081A (en) * | 1999-02-05 | 2000-08-22 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Uni-directional cell stretching device |
| CN201548775U (en) * | 2009-09-29 | 2010-08-11 | 深圳市国显科技有限公司 | OTP liquid crystal display detection jig |
| CN206756615U (en) * | 2017-04-12 | 2017-12-15 | 宁波宏迪尺业有限公司 | Measuring tape hook firmness detection machine |
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| CN208999221U (en) * | 2018-10-15 | 2019-06-18 | 重庆科技学院 | A kind of detection device of wall bearing strength |
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| CN113320738A (en) * | 2021-06-07 | 2021-08-31 | 温辉棣 | Auxiliary display screen laminating equipment for processing and producing LED display screens |
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| CN110596923B (en) | 2022-01-28 |
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Denomination of invention: A Pressure Testing Device for LCD Display Screen Production Effective date of registration: 20230728 Granted publication date: 20220128 Pledgee: China Construction Bank Corporation Chenzhou Branch Pledgor: CHENZHOU HAILI MICROELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2023980050209 |
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