CN107221271B - A tool for detecting display screen - Google Patents
A tool for detecting display screen Download PDFInfo
- Publication number
- CN107221271B CN107221271B CN201710451344.8A CN201710451344A CN107221271B CN 107221271 B CN107221271 B CN 107221271B CN 201710451344 A CN201710451344 A CN 201710451344A CN 107221271 B CN107221271 B CN 107221271B
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- Prior art keywords
- driven gear
- display screen
- template
- detecting
- gear
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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
Abstract
The invention discloses a jig for detecting a display screen. Including board support, driving gear, pivot, first driven gear, second driven gear, disc, connecting rod, L template, fixing base, vacuum adsorption dish etc.. The rotary frame and the L-shaped plate are driven to rotate by controlling the first driven gear and the second driven gear through the arrangement of the driving gear, the first driven gear and the second driven gear, and the display screen clamped by the vacuum adsorption plate and the clamping groove on the L-shaped plate can rotate, so that the detection of multiple angles of the display screen is met, and the detection effect is good; it sets up the fixing base through setting up on the L template, and the both ends of draw-in groove set up positioning mechanism on the fixing base, can satisfy different horizontal size's display screen and detect, and it sets up the vacuum adsorption dish through sliding on the vertical direction of L template, can satisfy different vertical size's display screen and detect, and detection effect is good.
Description
The technical field is as follows:
the invention belongs to the technical field of display screen detection, and particularly relates to a jig for detecting a display screen.
Background art:
an LED display screen is a flat panel display, which is composed of small LED module panels. LED displays are commonly used to display various information such as text, images, video signals, etc. An LED, i.e., a light emitting diode, is a diode made of a compound of gallium, arsenic, phosphorus, nitrogen, and indium, which radiates visible light when electrons and holes are recombined by controlling a display mode of a semiconductor light emitting diode, and thus can be used to manufacture a light emitting diode. In order to ensure the display quality, the assembling accuracy such as the flatness of the whole LED display screen, the deviation of the pixel center distance of each LED display panel, the horizontal relative dislocation deviation and the vertical relative dislocation deviation of each LED display screen, and the like, needs to be strictly controlled. In order to ensure the reliability of the use of the LED display screen and avoid the occurrence of a fault, the LED display screen needs to be tested for various performances before leaving the factory.
When the existing LED display screen is detected, the LED display screen is generally placed on a frame or a platform, the frame and the platform are fixed, only the LED display screen with the same specification can be detected, when the LED display screen with different specifications needs to be detected, the frame needs to be manufactured again, the cost is wasted, and the detection efficiency is low; and current shelf or platform all can not be rotatory, can't carry out multi-angle to the LED display screen and detect, and detection effect is poor.
The invention content is as follows:
therefore, the technical problem to be solved by the invention is that in the prior art, a shelf for detecting an LED display screen can only detect display screens of the same specification, cannot perform multi-angle detection on the display screen, and has a poor detection effect, so that a jig for detecting the display screen is provided.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a tool for detecting display screen includes:
the machine table is provided with a vertical support in a forming mode, and a first through hole is formed in the center of the support in a forming mode.
The driving gear, the fixed pivot that is provided with in center department of driving gear, the first end of pivot passes first through-hole on the support.
The driving gear is arranged at the upper end of the driving gear, the driving gear is meshed with the first driven gear, the second driven gear is meshed with the driving gear, the first driven gear is connected with a first driving device, and the second driven gear is connected with a second driving device.
The rotating frame comprises a disc and a plurality of connecting rods arranged at the front end of the disc, and the second end of the rotating shaft penetrates through the rear end of the driving gear and is fixedly connected with the disc.
The L template, the back fixed connection of L template is a plurality of the connecting rod, it is provided with two vacuum adsorption dishes to slide on the vertical direction of L template riser, be provided with the fixing base on the diaphragm of L template, the upper end shaping of fixing base has horizontal draw-in groove, the both ends of draw-in groove are provided with positioning mechanism.
Preferably, the positioning mechanism comprises a positioning bolt and a locking nut, wherein the front side wall and the rear side wall of the clamping groove are respectively provided with a transverse positioning groove, and the positioning bolt respectively penetrates through the positioning grooves on the front side wall and the rear side wall of the clamping groove and then is in threaded connection with the locking nut.
Preferably, as the technical scheme, the vacuum adsorption disc is arranged on a vertical plate of the L-shaped plate through a sliding device, the sliding device comprises a sliding guide rail vertically arranged on the vertical plate of the L-shaped plate and a sliding block arranged on the sliding guide rail in a sliding manner, and the front end of the sliding block is fixedly connected with the vacuum adsorption disc.
Preferably, the first end of the rotating shaft penetrates through the first through hole in the bracket and then is screwed with the limiting block.
Preferably, in the above technical solution, the first driving device and the second driving device are both disposed on the bracket.
Preferably, the connecting rods are uniformly distributed around the center of the disc in a ring shape.
The invention has the beneficial effects that: the rotary frame and the L-shaped plate are driven to rotate by controlling the first driven gear and the second driven gear through the arrangement of the driving gear, the first driven gear and the second driven gear, and the display screen clamped by the vacuum adsorption plate and the clamping groove on the L-shaped plate can rotate, so that the detection of multiple angles of the display screen is met, and the detection effect is good; the fixing seat is arranged on the L-shaped plate, the positioning mechanisms are arranged at two ends of the clamping groove in the fixing seat, so that the display screens with different transverse sizes can be detected, the vacuum adsorption disc is arranged in the L-shaped plate in a sliding mode in the vertical direction, so that the display screens with different vertical sizes can be detected, and the detection effect is good; the device has the advantages of simple structure, convenient operation and high practicability, and is suitable for large-scale production and use.
Description of the drawings:
the drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
fig. 1 is a schematic structural diagram of a fixture for detecting a display screen according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of an L-shaped board according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a rotating frame according to an embodiment of the present invention.
The symbols in the drawings illustrate that:
1-machine table, 2-bracket, 3-driving gear, 4-rotating shaft, 5-first driven gear, 6-second driven gear, 7-first driving device, 8-second driving device, 9-disc, 10-connecting rod, 11-L-shaped plate, 12-vacuum adsorption disc, 13-fixed seat, 14-positioning bolt, 15-locking nut, 16-sliding device, 17-limiting block, 18-vacuum adsorption hole, 201-first through hole, 1301-clamping groove, 1302-positioning groove, 1601-sliding guide rail and 1602-sliding block.
The specific implementation mode is as follows:
as shown in fig. 1, the present invention provides a fixture for inspecting a display screen, including:
the machine table comprises a machine table 1, wherein a vertical support 2 is formed on the machine table 1, and a first through hole 201 is formed in the center of the support 2.
The driving gear 3, the fixed pivot 4 that is provided with in center department of driving gear 3, the first end of pivot 4 passes first through-hole 201 on the support 2, the first end of pivot 4 passes spiro union has stopper 17 behind the first through-hole 201 on the support 2.
First driven gear 5 and second driven gear 6, first driven gear 5 with second driven gear 6 sets up respectively the upper end and the lower extreme of driving gear 3, first driven gear 5 with driving gear 3 meshes, second driven gear 6 with driving gear 3 meshes, first driven gear 5 is connected with first drive arrangement 7, second driven gear 6 is connected with second drive arrangement 8. The first drive device 7 and the second drive device 8 are both arranged on the support 2. The rotation direction of the first driving device 7 driving the first driven gear 5 is opposite to the rotation direction of the second driving device 8 driving the second driven gear 6, so that the bidirectional operation of the driving gear 3 can be realized.
The rotating frame, as shown in fig. 3, includes a disk 9 and a plurality of connecting rods 10 disposed at the front end of the disk 9, and the second end of the rotating shaft 4 passes through the driving gear 3 and then is fixedly connected to the disk 9. A plurality of said connecting rods 10 are evenly distributed in a ring around the centre of said disc 9.
The tool for detecting display screen described in this embodiment. The device comprises a machine table, a support, a driving gear, a rotating shaft, a first driven gear, a second driven gear, a first driving device, a second driving device, a disc, a connecting rod, an L-shaped plate, a fixed seat, a vacuum adsorption disc and the like. The rotary frame and the L-shaped plate are driven to rotate by controlling the first driven gear and the second driven gear through the arrangement of the driving gear, the first driven gear and the second driven gear, and the display screen clamped by the vacuum adsorption disc and the clamping groove on the L-shaped plate can rotate, so that the detection of multiple angles of the display screen is met, and the detection effect is good; the fixing seat is arranged on the L-shaped plate, the positioning mechanisms are arranged at two ends of the clamping groove in the fixing seat, so that the display screens with different transverse sizes can be detected, the vacuum adsorption disc is arranged in the L-shaped plate in a sliding mode in the vertical direction, so that the display screens with different vertical sizes can be detected, and the detection effect is good; the device has the advantages of simple structure, convenient operation and high practicability, and is suitable for large-scale production and use.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (6)
1. The utility model provides a tool for detecting display screen which characterized in that includes:
the device comprises a machine table (1), wherein a vertical support (2) is formed on the machine table (1), and a first through hole (201) is formed in the center of the support (2);
the center of the driving gear (3) is fixedly provided with a rotating shaft (4), and a first end of the rotating shaft (4) penetrates through a first through hole (201) in the support (2);
the driving gear (3) is provided with a first driven gear (5) and a second driven gear (6), the first driven gear (5) and the second driven gear (6) are respectively arranged at the upper end and the lower end of the driving gear (3), the first driven gear (5) is meshed with the driving gear (3), the second driven gear (6) is meshed with the driving gear (3), the first driven gear (5) is connected with a first driving device (7), and the second driven gear (6) is connected with a second driving device (8);
the rotating frame comprises a disc (9) and a plurality of connecting rods (10) arranged at the front end of the disc (9), and the second end of the rotating shaft (4) penetrates through the driving gear (3) and then is fixedly connected with the disc (9);
l template (11), the back fixed connection of L template (11) is a plurality of connecting rod (10), it is provided with two vacuum adsorption dish (12) to slide on the vertical direction of L template (11) riser, be provided with fixing base (13) on the diaphragm of L template (11), the upper end shaping of fixing base (13) has horizontal draw-in groove (1301), the both ends of draw-in groove (1301) are provided with positioning mechanism.
2. The jig for detecting the display screen according to claim 1, wherein: the positioning mechanism comprises a positioning bolt (14) and a locking nut (15), a transverse positioning groove (1302) is formed in the front side wall and the rear side wall of the clamping groove (1301) respectively, and the positioning bolt (14) penetrates through the positioning groove (1302) in the front side wall and the rear side wall of the clamping groove (1301) respectively and then is in threaded connection with the locking nut (15).
3. The jig for detecting the display screen according to claim 1, wherein: vacuum adsorption dish (12) are in through slider (16) setting on the riser of L template (11), slider (16) are including vertical setting sliding guide (1601) and the slip setting on the L template (11) riser are in sliding guide (1602) on the sliding guide (1601), the front end fixed connection of sliding block (1602) vacuum adsorption dish (12).
4. The jig for detecting the display screen according to claim 1, wherein: the first end of the rotating shaft (4) penetrates through the first through hole (201) in the support (2) and then is connected with a limiting block (17) in a threaded mode.
5. The jig for detecting the display screen according to claim 1, wherein: the first driving device (7) and the second driving device (8) are arranged on the bracket (2).
6. The jig for detecting the display screen according to claim 1, wherein: the connecting rods (10) are uniformly distributed around the center of the disc (9) in a ring shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710451344.8A CN107221271B (en) | 2017-06-15 | 2017-06-15 | A tool for detecting display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710451344.8A CN107221271B (en) | 2017-06-15 | 2017-06-15 | A tool for detecting display screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107221271A CN107221271A (en) | 2017-09-29 |
| CN107221271B true CN107221271B (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710451344.8A Active CN107221271B (en) | 2017-06-15 | 2017-06-15 | A tool for detecting display screen |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109803455B (en) | 2017-11-16 | 2022-12-02 | 中兴通讯股份有限公司 | Connection control and service processing method and device |
| CN110320686B (en) * | 2019-07-15 | 2023-07-25 | 中导光电设备股份有限公司 | Pre-alignment device of ULED screen substrate detection/measurement equipment and use method thereof |
| CN113526396A (en) * | 2021-06-30 | 2021-10-22 | 苏州得尔达国际物流有限公司 | Display screen transfer robot |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006220495A (en) * | 2005-02-09 | 2006-08-24 | Olympus Corp | Substrate inspecting apparatus |
| CN203981379U (en) * | 2014-07-30 | 2014-12-03 | 苏州弗士达科学仪器有限公司 | A kind of optical characteristic test board of flat-panel monitor |
| CN104889953A (en) * | 2015-05-13 | 2015-09-09 | 繁昌县江林广告设计制作有限公司 | Novel LED (light-emitting diode) display screen detection support |
| CN205104204U (en) * | 2015-09-07 | 2016-03-23 | 王明丽 | LED display screen testing stand |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607804B (en) * | 2011-01-25 | 2014-12-31 | 鸿富锦精密工业（深圳）有限公司 | Clamping assembly and backlight module testing device applying same |
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2017
- 2017-06-15 CN CN201710451344.8A patent/CN107221271B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006220495A (en) * | 2005-02-09 | 2006-08-24 | Olympus Corp | Substrate inspecting apparatus |
| CN203981379U (en) * | 2014-07-30 | 2014-12-03 | 苏州弗士达科学仪器有限公司 | A kind of optical characteristic test board of flat-panel monitor |
| CN104889953A (en) * | 2015-05-13 | 2015-09-09 | 繁昌县江林广告设计制作有限公司 | Novel LED (light-emitting diode) display screen detection support |
| CN205104204U (en) * | 2015-09-07 | 2016-03-23 | 王明丽 | LED display screen testing stand |
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| CN107221271A (en) | 2017-09-29 |
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