CN106940976B - Automatic crimping structure of FOG LCD screen - Google Patents
Automatic crimping structure of FOG LCD screen Download PDFInfo
- Publication number
- CN106940976B CN106940976B CN201611207751.6A CN201611207751A CN106940976B CN 106940976 B CN106940976 B CN 106940976B CN 201611207751 A CN201611207751 A CN 201611207751A CN 106940976 B CN106940976 B CN 106940976B
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- clamping
- liquid crystal
- crystal screen
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses an automatic compression joint structure of an FOG liquid crystal screen, which comprises a bottom plate, a carrier and a compression joint device, wherein the bottom plate is provided with a plurality of through holes; the surface of the carrier is provided with a groove for accommodating and limiting the liquid crystal screen to be tested and a guide groove for guiding and limiting the FPC of the liquid crystal screen to be tested; the crimping device comprises a clamping part, a driving part and a signal transmission part; the clamping part comprises a clamping fixed part fixedly connected with the carrier and a clamping movable part movably connected with the clamping fixed part; the signal transmission part comprises a signal transfer probe and a signal wire; the guide groove guides the FPC of the liquid crystal screen to be tested to the clamping part, and the driving part drives the clamping movable part to clamp or loosen the connector of the liquid crystal screen to be tested; the signal transfer probe is arranged on the clamping movable part and can be connected with a connector of the liquid crystal screen to be tested, one end of the signal wire is connected with the signal transfer probe, and the other end of the signal wire is electrically connected with the control terminal. The invention has the advantages of automatic control, accurate positioning and high precision, and can light the liquid crystal screen at each connection, thereby greatly improving the testing efficiency and the screen-lighting success rate.
Description
Technical Field
The invention relates to the technical field of testing of liquid crystal panels, in particular to an automatic compression joint structure of an FOG liquid crystal screen.
Background
Along with the rapid development of flat panel display and the improvement of people's living standard, liquid crystal display's application in people's daily life is more and more extensive, the FOG LCD screen is widely adopted by the industry as a product commonly used, after the production of FOG LCD screen is accomplished, need inspect the product, operating personnel need the electric part of the LCD screen that manual connection awaited measuring, the stability after however LCD screen's connector connection success rate and connection is higher to operating personnel's requirement, often need repeated connection many times just can reach the reliability and the stability of connection, therefore, not only the inefficiency, and, the point screen success rate is low.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide an automatic compression joint structure for an FOG liquid crystal display screen, which can improve the test efficiency and the dot screen success rate.
In order to achieve the purpose, the invention designs an automatic compression joint structure of an FOG liquid crystal screen, which is characterized in that: comprises a bottom plate, a carrier and a crimping device; the carrier is arranged on the surface of the bottom plate, and the surface of the carrier is provided with a groove for accommodating and limiting the liquid crystal screen to be tested and a guide groove for guiding the FPC for limiting the liquid crystal screen to be tested; one end of the guide groove is communicated with the groove, and the other end of the guide groove is positioned at the end part of the crimping device; the crimping device comprises a clamping part, a driving part and a signal transmission part; the clamping part comprises a clamping fixing part fixedly connected with the carrier and a clamping movable part movably connected with the clamping fixing part; the signal transmission part comprises a signal transfer probe and a signal wire; the guide groove guides the FPC of the liquid crystal screen to be tested to the clamping part, and the driving part drives the clamping movable part to clamp or loosen the connector of the liquid crystal screen to be tested; the signal switching probe is arranged on the clamping movable part and can be connected with a connector of the liquid crystal screen to be tested, one end of the signal wire is connected with the signal switching probe, and the other end of the signal wire is electrically connected with the control terminal.
Therefore, the FPC and the connector of the liquid crystal screen to be tested are guided and limited through the guide grooves, the connector is directly guided to the clamping part, the clamping movable part is driven by the driving part to automatically and reliably connect the signal transfer probe and the connector, and the connection success rate and reliability are improved.
Preferably, a rotating shaft is arranged between the clamping fixing part and the clamping movable part, and the driving part drives the clamping movable part to rotate around the rotating shaft to clamp or loosen a connector of the liquid crystal display screen to be tested.
Preferably, the rotating shaft is arranged at the end parts of the clamping fixed part and the clamping movable part; the driving part is fixed on the surface of the carrier through a rack, the output end of the driving part is rotatably connected with the upper surface of the clamping movable part, and the fixed end of the driving part is rotatably connected with the rack; the joint of the output end of the driving part and the clamping movable part and the rotating shaft are positioned at two opposite ends of the clamping movable part.
Further preferably, the signal line includes an upper PCB connected to the signal transfer probe, a lower PCB electrically connected to the control terminal, and a signal transfer probe connecting the upper PCB and the lower PCB.
Still further preferably, the upper PCB (3.33) is located on the surface of the clamping movable part and the lower PCB is located on the surface of the clamping fixed part; the signal transmission probe comprises a fixed part connected with the lower PCB and a movable part connected with the upper PCB and capable of being connected with the fixed part by penetrating through the clamping movable part.
Preferably, the rotating shaft is arranged in the middle of the clamping fixed part and the clamping movable part; the driving part is arranged below the carrier, and the output end of the driving part can penetrate through the carrier and the clamping fixed part to be abutted against the bottom surface of the clamping movable part; a compression spring is arranged between the clamping fixed part and the clamping movable part; the crimping spring and the driving part are positioned on two sides of the rotating shaft, and the output end of the driving part is positioned between the rotating shaft and the signal switching probe.
Further preferably, the signal line includes an upper PCB connected to the signal transfer probe, a lower PCB electrically connected to the control terminal, and a signal transfer probe connecting the upper PCB and the lower PCB.
Still further preferably, the upper PCB is located on the surface of the clamping movable part, and the lower PCB is located on the surface of the bottom plate; the signal transmission probe comprises a fixed part and a movable part, wherein the fixed part is arranged on the lower PCB and connected with the lower PCB, and the movable part is connected with the upper PCB and can be connected with the fixed part; one end of the upper PCB is connected with the signal transfer probe, and the other end of the upper PCB is connected with the movable part.
Preferably, the driving part is a cylinder.
And a vacuum adsorption device for fixing the liquid crystal screen to be detected is arranged in the groove.
The invention has the beneficial effects that: the liquid crystal screen to be tested is accommodated in the groove, positioned and limited, the FPC of the liquid crystal screen to be tested is guided, limited and positioned through the guide groove, and finally the connector of the liquid crystal screen to be tested is accurately guided and positioned to the clamping end of the crimping device; the operator only needs to place the liquid crystal screen to be tested in the groove and place the FPC and the connector of the liquid crystal screen to be tested through the guiding of the guiding groove, the test can be started by starting the liquid crystal display device, the electric connection part of the liquid crystal screen to be tested does not need to be manually operated, and only the test is concentrated. The crimping device disclosed by the invention is automatically controlled, is accurate in positioning and high in precision, and can light the liquid crystal screen in each connection, so that the testing efficiency and the screen-lighting success rate are greatly improved.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention
FIG. 2 is a schematic structural diagram of a second embodiment of the present invention
In the figure: the device comprises a bottom plate 1, a carrier 2 (a groove 2.1 and a guide groove 2.2), a crimping device 3 (a clamping part 3.1, a clamping fixing part 3.11, a clamping movable part 3.12, a driving part 3.2, a signal transmission part 3.3, a signal transfer probe 3.31, a signal wire 3.32, an upper PCB3.33, a lower PCB 3.34, a signal transmission probe 3.35, a rotating shaft 3.4, a frame 3.5, a crimping spring 3.6, a guide shaft 3.7, a guide hole 3.8) and a liquid crystal screen 4 to be tested (an FPC 4.1 and a connector 4.2).
Detailed Description
The technical solutions (including the preferred technical solutions) of the present invention are further described in detail by referring to fig. 1 to fig. 2 and some alternative embodiments of the present invention, and any technical features and any technical solutions in the present embodiment do not limit the protection scope of the present invention.
As shown in fig. 1 to 2, the automatic pressing structure for an FOG liquid crystal display of the present invention comprises a base plate 1, a carrier 2 and a pressing device 3; the carrier 2 is arranged on the surface of the base plate 1, and the surface of the carrier 2 is provided with a groove 2.1 for accommodating and limiting the liquid crystal screen 4 to be tested and a guide groove 2.2 for guiding and limiting the FPC 4.1 of the liquid crystal screen 4 to be tested; one end of the guide groove 2.2 is communicated with the groove 2.1, and the other end is positioned at the end part of the crimping device 3; the crimping device 3 comprises a clamping part 3.1, a driving part 3.2 and a signal transmission part 3.3; the clamping part 3.1 comprises a clamping fixed part 3.11 fixedly connected with the carrier 2 and a clamping movable part 3.12 movably connected with the clamping fixed part 3.11; the signal transmission part 3.3 comprises a signal transfer probe 3.31 and a signal wire 3.32; the guide groove 2.2 guides the FPC 4.1 of the liquid crystal screen to be tested to the clamping part 3.1, and the driving part 3.2 drives the clamping movable part 3.12 to clamp or loosen the connector 4.2 of the liquid crystal screen 4 to be tested; the signal transfer probe 3.31 is arranged on the clamping movable part 3.12 and can be connected with a connector 4.2 of the liquid crystal screen 4 to be tested, one end of the signal wire 3.32 is connected with the signal transfer probe 3.31, and the other end is electrically connected with the control terminal.
Like this, through guiding groove 2.2 to the FPC 4.1 and the connector 4.2 of LCD screen that awaits measuring guide and spacing, directly guide connector 4.2 to clamping part 3.1, drive clamping movable part 3.12 by drive division 3.2 again and reliably be connected signal transfer probe 3.31 with connector 4.2 automatically, improved the success rate and the reliability of connecting.
Preferably, a vacuum adsorption device for fixing the liquid crystal screen 4 to be tested is arranged in the groove 2.1.
As shown in fig. 1 and fig. 2, preferably, a rotating shaft 3.4 is disposed between the clamping fixed portion 3.11 and the clamping movable portion 3.12, and the driving portion 3.2 drives the clamping movable portion 3.12 to rotate around the rotating shaft 3.4 to clamp or release the connector 4.2 of the lcd panel to be tested.
In the first embodiment, as shown in fig. 1, the rotating shaft 3.4 is disposed at the end portions of the clamping fixed portion 3.11 and the clamping movable portion 3.12; the driving part 3.2 is fixed on the surface of the carrier 2 through a frame 3.5, the output end of the driving part 3.2 is rotatably connected with the upper surface of the clamping movable part 3.12, and the fixed end of the driving part 3.2 is rotatably connected with the frame 3.5; the joint of the output end of the driving part 3.2 and the clamping movable part 3.12 and the rotating shaft 3.4 are positioned at two opposite ends of the clamping movable part 3.12.
The signal line 3.32 comprises an upper PCB3.33 connected with the signal transfer probe 3.31, a lower PCB 3.34 electrically connected with the control terminal, and a signal transfer probe 3.35 connecting the upper PCB3.33 and the lower PCB 3.34. Preferably, the upper PCB3.33 is located on the surface of the clamping movable part 3.12, and the lower PCB 3.34 is located on the surface of the clamping fixed part 3.11; the signal transfer probe 3.35 comprises a fixed part connected to the lower PCB 3.34 and a movable part connected to the upper PCB3.33 and connectable to the fixed part through the clamping movable part 3.12.
Firstly, an operator places the liquid crystal screen 4 to be tested in the groove 2.1 of the carrier 2, positions and limits the liquid crystal screen 4 to be tested through the groove, and guides the FPC 4.1 through the guide groove 2.2; then, the driving part 3.2 presses down the clamping movable part 3.12 through the rotating shaft 3.4 to realize the connection of the liquid crystal screen to be tested; finally, the signal transfer probe 3.31 collects the product signal to the PG device to light the screen.
In the second embodiment, as shown in fig. 2, the rotating shaft 3.4 is disposed in the middle of the clamping fixed part 3.11 and the clamping movable part 3.12; the driving part 3.2 is arranged below the carrier 2, and the output end of the driving part 3.2 can penetrate through the carrier 2 and the clamping fixing part 3.11 to be abutted against the bottom surface of the clamping movable part 3.12; a crimping spring 3.6 is also arranged between the clamping fixed part 3.11 and the clamping movable part 3.12; the pressure connecting spring 3.6 and the driving part 3.2 are positioned at two sides of the rotating shaft 3.4, and the output end of the driving part 3.2 is positioned between the rotating shaft 3.4 and the signal transfer probe 3.31.
The signal line 3.32 comprises an upper PCB3.33 connected with the signal transfer probe 3.31, a lower PCB 3.34 electrically connected with the control terminal, and a signal transfer probe 3.35 connecting the upper PCB3.33 and the lower PCB 3.34. Preferably, the upper PCB3.33 is located on the surface of the clamping movable part 3.12, and the lower PCB 3.34 is located on the surface of the bottom plate 1; the signal transmission probe 3.35 comprises a fixed part arranged on the lower PCB 3.34 and connected with the lower PCB 3.34 and a movable part which is connected with the upper PCB3.33 and can be connected with the fixed part; one end of the upper PCB3.33 is connected with the signal transfer probe 3.31, and the other end is connected with the movable part.
Firstly, an operator places the liquid crystal screen 4 to be tested in the groove 2.1 of the carrier 2, positions and limits the liquid crystal screen 4 to be tested through the groove, and guides the FPC 4.1 through the guide groove 2.2; then, the driving part 3.2 contracts the output end, and the clamping movable part 3.12 is pressed down by the compression spring 3.6 through the rotating shaft 3.4, so that the connection of the liquid crystal screen to be tested is realized; finally, the signal transfer probe 3.31 collects the product signal to the PG device for screen lighting.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, combination, substitution, improvement, etc. made within the spirit and principle of the present invention are included in the scope of the present invention.
Claims (5)
1. The utility model provides an automatic crimping structure of FOG LCD screen which characterized in that: comprises a bottom plate (1), a carrier (2) and a crimping device (3); the carrier (2) is arranged on the surface of the bottom plate (1), and a groove (2.1) for accommodating and limiting the liquid crystal screen (4) to be tested and a guide groove (2.2) for guiding and limiting the FPC (4.1) of the liquid crystal screen (4) to be tested are arranged on the surface of the carrier (2); one end of the guide groove (2.2) is communicated with the groove (2.1), and the other end of the guide groove is positioned at the end part of the crimping device (3); the crimping device (3) comprises a clamping part (3.1), a driving part (3.2) and a signal transmission part (3.3); the clamping part (3.1) comprises a clamping fixed part (3.11) fixedly connected with the carrier (2) and a clamping movable part (3.12) movably connected with the clamping fixed part (3.11); the signal transmission part (3.3) comprises a signal transfer probe (3.31) and a signal wire (3.32); the guiding groove (2.2) guides the FPC (4.1) of the liquid crystal screen to be tested to the clamping part (3.1), and the driving part (3.2) drives the clamping movable part (3.12) to clamp or loosen the connector (4.2) of the liquid crystal screen to be tested; the driving part (3.2) is arranged below the carrier (2), and the output end of the driving part (3.2) can penetrate through the carrier (2) and the clamping fixing part (3.11) to be abutted against the bottom surface of the clamping movable part (3.12); the signal transfer probe (3.31) is arranged on the clamping movable part (3.12) and can be connected with a connector (4.2) of a liquid crystal screen to be tested, one end of the signal wire (3.32) is connected with the signal transfer probe (3.31), and the other end of the signal wire is electrically connected with the control terminal; a rotating shaft (3.4) is arranged between the clamping fixed part (3.11) and the clamping movable part (3.12), and the driving part (3.2) drives the clamping movable part (3.12) to rotate around the rotating shaft (3.4) to clamp or loosen a connector (4.2) of the liquid crystal screen to be tested; the rotating shaft (3.4) is arranged in the middle of the clamping fixed part (3.11) and the clamping movable part (3.12); a compression joint spring (3.6) is arranged between the clamping fixed part (3.11) and the clamping movable part (3.12); the crimping spring (3.6) and the driving part (3.2) are positioned on two sides of the rotating shaft (3.4), and the output end of the driving part (3.2) is positioned between the rotating shaft (3.4) and the signal transfer probe (3.31).
2. The automatic compression joint structure of the FOG liquid crystal screen of claim 1, characterized in that: the signal line (3.32) comprises an upper PCB (3.33) connected with the signal transfer probe (3.31), a lower PCB (3.34) electrically connected with the control terminal and a signal transmission probe (3.35) connecting the upper PCB (3.33) and the lower PCB (3.34).
3. The automatic compression joint structure of the FOG liquid crystal screen of claim 2, characterized in that: the upper PCB (3.33) is positioned on the surface of the clamping movable part (3.12), and the lower PCB (3.34) is positioned on the surface of the bottom plate (1); the signal transmission probe (3.35) comprises a fixed part and a movable part, wherein the fixed part is arranged on the lower PCB (3.34) and connected with the lower PCB (3.34), and the movable part is connected with the upper PCB (3.33) and can be connected with the fixed part; one end of the upper PCB (3.33) is connected with the signal transfer probe (3.31), and the other end is connected with the movable part.
4. The automatic compression joint structure of the FOG liquid crystal screen of claim 1, characterized in that: the driving part (3.2) is an air cylinder.
5. The automatic compression joint structure of the FOG liquid crystal screen of claim 1, characterized in that: and a vacuum adsorption device for fixing the liquid crystal screen (4) to be tested is arranged in the groove (2.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611207751.6A CN106940976B (en) | 2016-12-23 | 2016-12-23 | Automatic crimping structure of FOG LCD screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611207751.6A CN106940976B (en) | 2016-12-23 | 2016-12-23 | Automatic crimping structure of FOG LCD screen |
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| Publication Number | Publication Date |
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| CN106940976A CN106940976A (en) | 2017-07-11 |
| CN106940976B true CN106940976B (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611207751.6A Active CN106940976B (en) | 2016-12-23 | 2016-12-23 | Automatic crimping structure of FOG LCD screen |
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| CN110146805B (en) * | 2019-06-12 | 2021-07-27 | 惠州欣旺达智能工业有限公司 | Carrier tool |
| CN110148369B (en) * | 2019-06-14 | 2022-10-25 | 苏州精濑光电有限公司 | Impedance test pressure head |
| KR102175111B1 (en) * | 2019-08-30 | 2020-11-05 | 에스엠파워텍 주식회사 | Test device for flexible printed circuit board with compound flexion and test method using that |
| CN111443507B (en) * | 2020-03-27 | 2023-06-27 | Tcl华星光电技术有限公司 | Clamping member and clamping device with signal transmission function |
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| JPH09257834A (en) * | 1996-03-22 | 1997-10-03 | Sharp Corp | Contact unit |
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| CN106940976A (en) | 2017-07-11 |
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Address after: 430070 Hubei Province, Wuhan city Hongshan District Road No. 48 bookstore (North Industrial Park) 1 building 11 layer Applicant after: Wuhan fine test electronics group Limited by Share Ltd Address before: 430070 Hubei City, Hongshan Province, South Lake Road, No. 53, Hongshan Venture Center, building on the 4 floor, No. Applicant before: Wuhan Jingce Electronic Technology Co., Ltd. |
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Effective date of registration: 20220411 Address after: 430205 1st floor, No.3 workshop, No.22, South liufangyuan Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: WUHAN JINGYITONG ELECTRONIC TECHNOLOGY Co.,Ltd. Patentee after: Wuhan jingce Electronics Group Co., Ltd Address before: 430070 11, 1, 11, Book City Road 48, North Hongshan Industrial Park, Hongshan District, Hubei. Patentee before: WUHAN JINGCE ELECTRONIC GROUP Co.,Ltd. |
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