CN221225215U - Detection device for liquid crystal display screen - Google Patents
Detection device for liquid crystal display screen Download PDFInfo
- Publication number
- CN221225215U CN221225215U CN202322946832.XU CN202322946832U CN221225215U CN 221225215 U CN221225215 U CN 221225215U CN 202322946832 U CN202322946832 U CN 202322946832U CN 221225215 U CN221225215 U CN 221225215U
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- crystal display
- plate
- fixedly connected
- clamping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 65
- 238000001514 detection method Methods 0.000 title claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 239000000758 substrate Substances 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 12
- 238000010030 laminating Methods 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model relates to the technical field of liquid crystal display screen detection and discloses a detection device for a liquid crystal display screen, which comprises a support component, wherein a detection table is movably connected above the support component, two groups of clamping mechanisms are symmetrically arranged on the upper surface of the detection table, and limiting mechanisms are arranged on the two groups of clamping mechanisms; through the cooperation between fixture and the stop gear, rotate the position of screw rod regulation grip block through the hand wheel to be convenient for carry out the centre gripping to the liquid crystal display of different specifications, simultaneously through pull rod pulling clamp plate and make third cushion laminating liquid crystal display upper surface, thereby accomplish the location that compresses tightly to liquid crystal display, be applicable to the liquid crystal display surface detection location of different thickness, simultaneously through first cushion, second cushion and third cushion and liquid crystal display soft contact, thereby avoid the rigidity centre gripping to cause the secondary to damage, make liquid crystal display detect the front and back quality the same.
Description
Technical Field
The utility model relates to the technical field of liquid crystal display screen detection, in particular to a detection device for a liquid crystal display screen.
Background
A liquid crystal display belongs to a flat panel display. The screen display device is used for screen display of a television and a computer. The display screen has the advantages of low power consumption, small volume and low radiation. The liquid crystal display screen uses liquid crystal solution in two pieces of polarized materials, so that crystals can be rearranged when current passes through the liquid to achieve the purpose of imaging;
In the production process of a liquid crystal display, larger scratches may appear on the surface to influence the appearance of a product, so that surface detection of the product is required, most of detection devices in the prior art are used for placing the display on a plane, then shooting and detecting the display right above the display by using shooting devices such as an industrial camera and the like, and then processing the shot images by a system to obtain detection results;
In the prior art, publication No.: CN218157611U, which is a chinese summary of the utility model, discloses a surface detection device for a liquid crystal display, including a placement plate and a base, screen fixing components are disposed on two sides of the upper surface of the placement plate, a turntable is disposed between the base and the placement plate, an upper connecting piece and a lower connecting piece are connected between the turntable and the placement plate, and an angle adjusting mechanism is disposed under the placement plate. When the liquid crystal display screen is tested, the screen fixing assembly is used for fixing the display screen on the placement plate, the display screen can be detected, the telescopic rod is controlled to stretch out and draw back, the adjusting rack is meshed with the second toothed ring so that the bottom block rotates, the bottom block drives the placement plate to deflect by a certain angle, the driving motor is controlled to drive the gear to rotate, the gear is meshed with the first toothed ring so that the inner barrel drives the turntable to rotate, the placement plate is further rotated, and when the liquid crystal display screen detects, the display screen can adjust a plurality of shooting angles, so that the detection is more comprehensive and accurate;
In the above technical scheme, although the liquid crystal display screen is convenient to adjust at any angle, the detection device is inconvenient to fix and limit the liquid crystal display screens with different sizes in the using process, detects the liquid crystal display screens with different sizes, reduces the detection range of the detection device, and simultaneously, the liquid crystal display screen is easy to be damaged secondarily by rigid clamping, so that the damage probability of the liquid crystal display screen is increased, and therefore, the detection device for the liquid crystal display screen is required to be provided.
Disclosure of utility model
The utility model aims to provide a detection device for a liquid crystal display screen, which is provided with a flexible clamping mechanism, so that secondary damage to the liquid crystal display screen caused by rigid clamping is avoided, the quality of the liquid crystal display screen is improved, the liquid crystal display screens with different specifications are convenient to clamp and position, the detection range of the detection device is improved, and the problems in the background technology are solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the detection device for the liquid crystal display comprises a support component, wherein a detection table is movably connected above the support component, two groups of clamping mechanisms are symmetrically arranged on the upper surface of the detection table, and limiting mechanisms are arranged on the two groups of clamping mechanisms;
The clamping mechanism comprises a fixed plate, a screw rod and a clamping plate, wherein one side of the clamping plate is fixedly connected with a hinged support, one end of the hinged support is rotationally connected with one end of the screw rod, the other end of the screw rod penetrates through the fixed plate and is fixedly connected with a hand wheel, and the upper surface of the clamping plate is fixedly connected with a top plate;
The limiting mechanism comprises a pull rod and two groups of second guide rods, wherein the pull rod is inserted into the upper surface of the top plate in a sliding mode, the lower ends of the pull rods penetrate through the top plate and are fixedly connected with a pressing plate, the lower ends of the two groups of second guide rods penetrate through the top plate and are fixedly connected to the upper surface of the pressing plate, springs are sleeved on the outer sides of the two groups of second guide rods, the upper ends of the springs are abutted to the lower surface of the top plate, and a third rubber cushion is adhered to the lower surface of the pressing plate.
Preferably, the second rubber pad is adhered to one side of the clamping plate opposite to the hinged support, two groups of first guide rods are symmetrically and fixedly connected to one side of the clamping plate, and one ends of the two groups of first guide rods penetrate through the fixing plate.
Preferably, the detection platform mainly comprises a substrate and a base, wherein the base is fixedly connected to the middle of the lower surface of the substrate, the lower surface of the base is provided with reaming holes, and the lower surface of the substrate is fixedly connected with a plurality of groups of second clamping blocks.
Preferably, the upper surface of the base plate is provided with a bottom groove, the bottom groove is embedded with a first rubber cushion, and the two groups of fixing plates are respectively fixed at two ends of the upper surface of the base plate.
Preferably, the support assembly comprises a bottom plate arranged right below the base plate, the middle part of the upper surface of the bottom plate is fixedly connected with a vertical rod, the upper end of the vertical rod is integrally formed with a hinge ball, and the hinge ball is embedded in the inner cavity of the hinge hole.
Preferably, the upper surface of bottom plate fixedly connected with multiunit first fixture block, multiunit the upper end of first fixture block all can dismantle spacing extension spring, and multiunit spacing extension spring's upper end can dismantle with the lower extreme of multiunit second fixture block respectively and be connected.
Preferably, one side of the pressing plate slides with one side of the second rubber pad, the lower surface of the clamping plate is abutted against the upper surface of the first rubber pad, and a screw hole for screw threaded connection is formed in one side of the fixing plate.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, the clamping mechanism and the limiting mechanism are matched, the screw is rotated through the hand wheel to adjust the position of the clamping plate, so that the clamping of liquid crystal display screens with different specifications is facilitated, meanwhile, the pressing plate is pulled through the pull rod, the third rubber pad is attached to the upper surface of the liquid crystal display screen, so that the liquid crystal display screen is pressed and positioned, the device is suitable for detecting and positioning the surfaces of the liquid crystal display screens with different thicknesses, and meanwhile, the first rubber pad, the second rubber pad and the third rubber pad are in soft contact with the liquid crystal display screen, so that secondary damage caused by rigid clamping is avoided, and the quality of the liquid crystal display screen before and after detection is the same.
2. According to the utility model, through the cooperation among the upright posts, the base and the limiting tension springs, the base plate is offset by a certain angle by taking the hinge ball as a circle, so that the detection of the surfaces of the liquid crystal display screen under different visual angles is facilitated, and the detection efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a support assembly according to the present utility model;
fig. 3 is a schematic structural view of a clamping mechanism and a limiting mechanism of the present utility model.
In the figure: 100. a support assembly; 101. a bottom plate; 102. a vertical rod; 103. hinging the ball; 104. a first clamping block; 105. a limit tension spring; 200. a detection table; 201. a substrate; 202. a second clamping block; 203. a bottom groove; 204. a first rubber pad; 205. a base; 206. reaming; 300. a clamping mechanism; 301. a fixing plate; 302. a screw; 303. a hand wheel; 304. a first guide bar; 305. a clamping plate; 306. a hinged support; 307. a second rubber pad; 308. a top plate; 400. a limiting mechanism; 401. a pressing plate; 402. a pull rod; 403. a second guide bar; 404. a spring; 405. and a third rubber cushion.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the detection device for the liquid crystal display comprises a support assembly 100, wherein a detection table 200 is movably connected above the support assembly 100, two groups of clamping mechanisms 300 are symmetrically arranged on the upper surface of the detection table 200, and limiting mechanisms 400 are arranged on the two groups of clamping mechanisms 300;
The clamping mechanism 300 comprises a fixed plate 301, a screw rod 302 and a clamping plate 305, wherein one side of the clamping plate 305 is fixedly connected with a hinged support 306, one end of the hinged support 306 is rotatably connected with one end of the screw rod 302, the other end of the screw rod 302 penetrates through the fixed plate 301 and is fixedly connected with a hand wheel 303, and the upper surface of the clamping plate 305 is fixedly connected with a top plate 308;
The limiting mechanism 400 comprises a pull rod 402 and two groups of second guide rods 403, the pull rod 402 is slidably inserted into the upper surface of the top plate 308, the lower ends of the pull rod 402 penetrate through the top plate 308 and are fixedly connected with a pressing plate 401, the lower ends of the two groups of second guide rods 403 penetrate through the top plate 308 and are fixedly connected with the upper surface of the pressing plate 401, springs 404 are sleeved on the outer sides of the two groups of second guide rods 403, the upper ends of the springs 404 are abutted against the lower surface of the top plate 308, and a third rubber cushion 405 is adhered to the lower surface of the pressing plate 401.
The second rubber pad 307 is adhered to one side of the clamping plate 305 opposite to the hinge support 306, two groups of first guide rods 304 are symmetrically and fixedly connected to one side of the clamping plate 305, one ends of the two groups of first guide rods 304 penetrate through the fixing plate 301, the side edges of the clamping plate 305 are prevented from being damaged when the clamping plate 305 abuts against the liquid crystal display screen through the second rubber pad 307, and the integrity of the liquid crystal display screen is improved.
The detection platform 200 mainly comprises a substrate 201 and a base 205, the base 205 is fixedly connected to the middle of the lower surface of the substrate 201, a reaming 206 is formed in the lower surface of the base 205, a plurality of groups of second clamping blocks 202 are fixedly connected to the lower surface of the substrate 201, and a liquid crystal display is conveniently placed on the upper surface of the detection platform through the substrate 201, so that the clamping mechanism 300 and the limiting mechanism 400 can clamp, position and detect the liquid crystal display, and stability of the liquid crystal display during detection is improved.
The upper surface of base plate 201 has seted up kerve 203, and the kerve 203 is embedded to have first cushion 204, and two sets of fixed plate 301 are fixed respectively at the both ends of base plate 201 upper surface, have increased the frictional force with the liquid crystal display through first cushion 204, avoid scraping the liquid crystal display simultaneously, improve the integrality around the liquid crystal display detects.
The supporting component 100 comprises a bottom plate 101 arranged right below a substrate 201, an upright rod 102 is fixedly connected to the middle of the upper surface of the bottom plate 101, a hinge ball 103 is integrally formed at the upper end of the upright rod 102, the hinge ball 103 is embedded in an inner cavity of a hinge hole 206, and the hinge ball 103 on the upright rod 102 is hinged with the hinge hole 206 of a base 205, so that the substrate 201 can conveniently perform angle offset in a certain range, the surface detection of a liquid crystal display screen under different visual angles is facilitated, and the detection efficiency is improved.
The upper surface of the bottom plate 101 is fixedly connected with a plurality of groups of first clamping blocks 104, the upper ends of the plurality of groups of first clamping blocks 104 are all detachable with limit tension springs 105, the upper ends of the plurality of groups of limit tension springs 105 are respectively detachably connected with the lower ends of the plurality of groups of second clamping blocks 202, and the bottom plate 101 and the clamping plates are kept in a parallel state through the plurality of groups of limit tension springs 105.
One side of clamp plate 401 slides with one side of second cushion 307, the lower surface of grip block 305 is inconsistent with the upper surface of first cushion 204, the screw that supplies screw 302 threaded connection has been seted up to one side of fixed plate 301, does not influence each other between first cushion 204, second cushion 307 and the third cushion 405, has improved the stability to the LCD centre gripping to the LCD slides when avoiding base plate 201 angle skew.
When the liquid crystal display screen is used, the liquid crystal display screen is placed on the first rubber pad 204 on the substrate 201, the pull rod 402 of one group of limiting mechanisms 400 is pulled simultaneously to enable the pressing plate 401 to squeeze the spring 404, the distance between the first rubber pad 204 and the third rubber pad 405 is increased, one side edge of the liquid crystal display screen is enabled to abut against one group of clamping mechanisms 300, the pull rod 402 is loosened to enable the pressing plate 401 to press the liquid crystal display screen under the action of reducing the elastic potential energy of the spring 404, the hand wheel 303 of the other group of clamping mechanisms 300 is rotated to drive the screw 302 to be hinged with the hinged support 306, so that the clamping plates 305 are relatively close to each other, the limiting mechanisms 400 are pulled up repeatedly, the second rubber pads 307 on the opposite sides of the two groups of the clamping plates 305 abut against the two side edges of the liquid crystal display screen, the limiting mechanisms 400 are loosened, the positioning of the liquid crystal display screen is completed, the liquid crystal display screen is applicable to fixing of different specifications, the application range of the surface detection of the liquid crystal display screen is increased, meanwhile, the damage of the liquid crystal display screen caused by rigid clamping to the liquid crystal display screen is reduced, and the integrity of the liquid crystal display screen is ensured before and after the detection is ensured.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a detection device for liquid crystal display, includes supporting component (100), its characterized in that: the upper part of the supporting component (100) is movably connected with a detection table (200), two groups of clamping mechanisms (300) are symmetrically arranged on the upper surface of the detection table (200), and limiting mechanisms (400) are arranged on the two groups of clamping mechanisms (300);
The clamping mechanism (300) comprises a fixed plate (301), a screw rod (302) and a clamping plate (305), wherein a hinged support (306) is fixedly connected to one side of the clamping plate (305), one end of the hinged support (306) is rotatably connected with one end of the screw rod (302), the other end of the screw rod (302) penetrates through the fixed plate (301) and is fixedly connected with a hand wheel (303), and a top plate (308) is fixedly connected to the upper surface of the clamping plate (305);
Stop gear (400) are including slip peg graft pull rod (402) and two sets of second guide arm (403) at roof (308) upper surface, and the lower extreme of pull rod (402) runs through roof (308) and fixedly connected with clamp plate (401), two sets of the lower extreme of second guide arm (403) all runs through roof (308) and fixedly connected with at the upper surface of clamp plate (401), two sets of the outside of second guide arm (403) all overlaps and is equipped with spring (404), and the upper end of spring (404) is contradicted at the lower surface of roof (308), the lower surface bonding of clamp plate (401) has third cushion (405).
2. The detection device for a liquid crystal display according to claim 1, wherein: the clamping plate (305) is adhered with a second rubber pad (307) on one side opposite to the hinged support (306), two groups of first guide rods (304) are symmetrically and fixedly connected to one side of the clamping plate (305), and one ends of the two groups of first guide rods (304) penetrate through the fixing plate (301).
3. The detection device for a liquid crystal display according to claim 1, wherein: the detection table (200) mainly comprises a substrate (201) and a base (205), wherein the base (205) is fixedly connected to the middle of the lower surface of the substrate (201), a reaming hole (206) is formed in the lower surface of the base (205), and a plurality of groups of second clamping blocks (202) are fixedly connected to the lower surface of the substrate (201).
4. A detection device for a liquid crystal display according to claim 3, wherein: the upper surface of the base plate (201) is provided with a bottom groove (203), the bottom groove (203) is embedded with a first rubber pad (204), and the two groups of fixing plates (301) are respectively fixed at two ends of the upper surface of the base plate (201).
5. A detection device for a liquid crystal display according to claim 3, wherein: the support assembly (100) comprises a bottom plate (101) arranged right below a substrate (201), an upright rod (102) is fixedly connected to the middle of the upper surface of the bottom plate (101), a hinge ball (103) is integrally formed at the upper end of the upright rod (102), and the hinge ball (103) is embedded in an inner cavity of a hinge hole (206).
6. The detecting device for a liquid crystal display according to claim 5, wherein: the upper surface of bottom plate (101) fixedly connected with multiunit first fixture block (104), multiunit first fixture block (104) upper end all can be dismantled there is spacing extension spring (105), and the upper end of multiunit spacing extension spring (105) can be dismantled with the lower extreme of multiunit second fixture block (202) respectively and be connected.
7. The detecting device for a liquid crystal display according to claim 6, wherein: one side of the pressing plate (401) slides with one side of the second rubber pad (307), the lower surface of the clamping plate (305) is in contact with the upper surface of the first rubber pad (204), and a screw hole for the threaded connection of the screw rod (302) is formed in one side of the fixing plate (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322946832.XU CN221225215U (en) | 2023-11-01 | 2023-11-01 | Detection device for liquid crystal display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322946832.XU CN221225215U (en) | 2023-11-01 | 2023-11-01 | Detection device for liquid crystal display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221225215U true CN221225215U (en) | 2024-06-25 |
Family
ID=91546372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322946832.XU Active CN221225215U (en) | 2023-11-01 | 2023-11-01 | Detection device for liquid crystal display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221225215U (en) |
-
2023
- 2023-11-01 CN CN202322946832.XU patent/CN221225215U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20150309341A1 (en) | Polarizer Removing Device and Method of Using It | |
| CN216504595U (en) | Test clamping device is used in display screen processing | |
| CN221225215U (en) | Detection device for liquid crystal display screen | |
| CN117452679A (en) | Small-size liquid crystal display light source detection device convenient to adjust | |
| CN112393084A (en) | Computer support capable of effectively preventing computer from being impacted | |
| CN211699556U (en) | A flexible display polarizer attaching machine | |
| CN209710135U (en) | A kind of mobile phone backlight backboard adhesive attaching machine structure | |
| CN103978802A (en) | High-speed batch book electronization mechanism | |
| CN219747721U (en) | Optical glass breakage detection device | |
| CN219854075U (en) | Display screen detection jig aluminum profile limiting frame | |
| CN216926017U (en) | Test fixture is used in liquid crystal display production | |
| CN215414739U (en) | Multi-axial pressure testing machine | |
| CN114183636B (en) | Communication operation and maintenance intelligent work order terminal convenient to use and working method thereof | |
| CN223354084U (en) | Positioning device for detecting liquid crystal display screen | |
| CN222452676U (en) | Full-lamination film pasting device for touch film with color 3D stereoscopic display effect | |
| CN221039691U (en) | Fully automated testing device for LCD screens | |
| CN220338020U (en) | Camera support | |
| CN214480733U (en) | Explosion-proof structure of mobile phone electronic display screen | |
| CN218728442U (en) | TFT liquid crystal glazing defect detection equipment | |
| CN222769741U (en) | Backlight film tearing device | |
| CN221485745U (en) | High-temperature curing basket for liquid crystal display production | |
| CN222482552U (en) | A fixture for LCD panel testing | |
| CN222050625U (en) | A clamping mechanism for film viewing light equipment | |
| CN216900897U (en) | Multifunctional partial electrostatic discharge calibrator | |
| CN220473811U (en) | Closing device is used in LCD production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |