CN220526138U - LCD liquid crystal display detection mechanism - Google Patents
LCD liquid crystal display detection mechanism Download PDFInfo
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- CN220526138U CN220526138U CN202322034036.9U CN202322034036U CN220526138U CN 220526138 U CN220526138 U CN 220526138U CN 202322034036 U CN202322034036 U CN 202322034036U CN 220526138 U CN220526138 U CN 220526138U
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- workbench
- sleeve
- liquid crystal
- detection mechanism
- crystal display
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- 238000001514 detection method Methods 0.000 title claims abstract description 35
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 23
- 238000001125 extrusion Methods 0.000 claims abstract description 27
- 238000010586 diagram Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002858 crystal cell Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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Abstract
The utility model discloses a detection mechanism for an LCD (liquid crystal display), and belongs to the field of display detection. An LCD liquid crystal display detection mechanism comprising: the workstation still includes: the limiting rods slide on one side of the workbench; the elastic component is arranged between the limiting rod and the workbench; the extrusion plate is arranged on the workbench in a sliding manner, and the limiting rod is fixedly connected with the extrusion plate; the control box is fixed on the workbench; the limiting component is used for pushing the display screen and is arranged on the workbench, and the limiting component is matched with the extrusion plate; the utility model can clamp display screens with different sizes, effectively improves the efficiency of detecting the display screens, and effectively prevents damage to the display screens caused by overlarge clamping force.
Description
Technical Field
The utility model relates to the technical field of display screen detection, in particular to an LCD (liquid crystal display) screen detection mechanism.
Background
The LCD display is a liquid crystal cell placed in two parallel glass substrates, a TFT (thin film transistor) is provided on the lower substrate glass, and a CF (color filter) is provided on the upper substrate glass. The rotation direction of liquid crystal molecules in the liquid crystal box is controlled by changing signals and voltages on the TFT, so that the aim of controlling whether polarized light of each pixel point exits or not to display different patterns is fulfilled.
In order to ensure the quality of the produced liquid crystal display screen, the display screen needs to be detected after the production is completed, and a detection head is used for detecting pixel points and manufacturing defects on the display screen, so that a display screen detection mechanism is needed.
At present, when detecting the display screen, directly adopt the anchor clamps to carry out the centre gripping fixedly, when fixing the display screen that the size differs, need adjust clamping device to the distance between the anchor clamps is according to the size of display screen and is decided, its operation is comparatively complicated, probably influences the efficiency to the display screen detects, and when the clamping dynamics of anchor clamps is too big, probably causes the display screen damage, causes unnecessary loss.
Disclosure of Invention
The technical problem to be solved by the present utility model is to overcome the deficiencies of the prior art and provide a detection mechanism for an LCD liquid crystal display, which can overcome the above problems or at least partially solve the above problems.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
an LCD liquid crystal display detection mechanism comprising: the workstation still includes: the limiting rods slide on one side of the workbench; the elastic component is arranged between the limiting rod and the workbench; the extrusion plate is arranged on the workbench in a sliding manner, and the limiting rod is fixedly connected with the extrusion plate; the control box is fixed on the workbench; the limiting component is used for pushing the display screen and is arranged on the workbench, and the limiting component is matched with the extrusion plate; the first contacts are symmetrically arranged on the workbench; the second contact is symmetrically fixed on the squeeze plate and matched with the first contact; the mechanical arm is fixed on the workbench; the detection head is arranged at the output end of the mechanical arm; when fixed to the display screen, the limiting component pushes the display to the direction of the extrusion plate, the extrusion plate receives extrusion sliding, and the limiting component stops extruding the display screen after the first contact contacts with the second contact.
In order to facilitate resilience of the extrusion plate, preferably, the elastic component comprises a connecting plate arranged outside the workbench, the connecting plate is fixedly connected with the limiting rod, and first springs are symmetrically arranged between the connecting plate and the workbench.
In order to be convenient for centre gripping display screen, preferably, spacing subassembly is including fixing the motor in the workstation bottom, it is provided with the ejector pad to rotate on the workstation, be provided with arc contact portion on the ejector pad, the output and the ejector pad fixed connection of motor.
In order to facilitate the display screen to be attached to the side of the workbench, the workbench is preferably arranged obliquely.
In order to facilitate pushing out the display screen, preferably, one side of the workbench far away from the opening end symmetrically slides with connecting rods, a push plate is fixedly connected between the two connecting rods, and a driving assembly for pushing the connecting rods is arranged on the workbench.
In order to facilitate the sliding of the driving connecting rod, preferably, the driving assembly comprises a first sleeve fixed on the workbench, a first sliding rod is arranged in the first sleeve in a sealing sliding manner, a pull rope is arranged between the first sliding rod and the push block, a second sleeve is symmetrically and fixedly connected to the workbench, the connecting rod is arranged in the second sleeve in a sealing manner in a sliding manner, the two second sleeves are communicated, a second spring is fixedly connected between the second sleeve and the connecting rod, a vent pipe is arranged between the front end of the first sleeve and the second sleeve, and an electromagnetic valve is arranged at one end of the vent pipe, which is close to the first sleeve.
Compared with the prior art, the utility model provides an LCD (liquid crystal display) detection mechanism, which has the following beneficial effects:
1. this LCD liquid crystal display detection mechanism, workstation through the slope setting makes the display screen slide downwards, then opens through the controller control motor in the control box, and the motor drives the ejector pad and rotates, and the arc contact portion and the display screen contact of ejector pad to push away the display screen to stripper plate one side, can be to not unidimensional display screen centre gripping through the setting of arc contact portion, has improved the efficiency to the display screen detection effectively.
2. This LCD liquid crystal display detection mechanism receives extrusion first spring energy storage through the stripper plate, and after first contact and second contact, the motor outage and auto-lock, to display screen location centre gripping effectively, prevent effectively that the dynamics of centre gripping to the display screen from being too big causes its damage.
3. This LCD liquid crystal display detection mechanism pulls out first slide bar through the stay cord, and the atmospheric pressure in the first sleeve increases this moment, detects the back of accomplishing, opens the solenoid valve to control motor reversal, at this moment, the gas in the first sleeve is discharged in the twinkling of an eye, enters into in the second sleeve through the breather pipe, makes the second spring compressed, and connecting rod and push pedal are upwards released the display, then take off through the manual work, thereby have improved the extraction efficiency to the display effectively, and then have improved the detection efficiency to the display effectively.
The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, the display screen clamping device can clamp display screens with different sizes, the efficiency of detecting the display screens is effectively improved, and the damage to the display screens caused by overlarge clamping force is effectively prevented.
Drawings
FIG. 1 is a schematic diagram of a LCD detection mechanism;
FIG. 2 is a schematic diagram of an exploded structure of a LCD detection mechanism;
FIG. 3 is a schematic diagram showing the structure of a squeeze plate of a LCD detection mechanism;
FIG. 4 is a schematic partial cross-sectional view of a LCD detection mechanism;
fig. 5 is a schematic diagram of a motor of an LCD liquid crystal display detection mechanism.
In the figure: 1. a work table; 101. a motor; 102. a pushing block; 103. an arc-shaped contact portion; 104. a mechanical arm; 105. a detection head; 106. a control box; 2. a limit rod; 201. an extrusion plate; 202. a connecting plate; 203. a first spring; 204. a first contact; 205. a second contact; 3. a first sleeve; 301. a first slide bar; 302. a pull rope; 303. a second sleeve; 304. a push plate; 305. a connecting rod; 306. a second spring; 307. a vent pipe; 308. a solenoid valve.
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.
Example 1: referring to fig. 1, 2, 3, 4 and 5, an LCD liquid crystal display detection mechanism includes: the work bench 1 further comprises: a plurality of limit rods 2 sliding on one side of the workbench 1; the elastic component is arranged between the limiting rod 2 and the workbench 1; the extrusion plate 201 is arranged on the workbench 1 in a sliding manner, and the limiting rod 2 is fixedly connected with the extrusion plate 201; a control box 106 fixed to the table 1; the limiting component is used for pushing the display screen and is arranged on the workbench 1 and matched with the extrusion plate 201; the first contacts 204 are symmetrically arranged on the workbench 1; the second contact 205 is symmetrically fixed on the squeeze plate 201, and the second contact 205 is matched with the first contact 204; a robot arm 104 fixed to the table 1; the detection head 105 is arranged at the output end of the mechanical arm 104; when the display screen is fixed, the display is pushed to the direction of the extrusion plate 201 by the limiting component, the extrusion plate 201 receives extrusion sliding, and the extrusion of the display screen is stopped by the limiting component after the first contact 204 is contacted with the second contact 205.
The elastic component includes the connecting plate 202 that sets up in workstation 1 outside, and connecting plate 202 and gag lever post 2 fixed connection are provided with first spring 203 between connecting plate 202 and the workstation 1 symmetry.
The limiting assembly comprises a motor 101 fixed at the bottom of the workbench 1, a push block 102 is rotatably arranged on the workbench 1, an arc-shaped contact part 103 is arranged on the push block 102, and the output end of the motor 101 is fixedly connected with the push block 102.
The table 1 is arranged obliquely, wherein the table 1 is inclined to a side away from the open end.
When detecting the display screen, place the workstation 1 with the display screen on, workstation 1 through the slope setting makes the display screen slide downwards, then control motor 101 through the controller in the control box 106 and open, motor 101 drives ejector pad 102 and rotates, ejector pad 102's arc contact 103 and display screen contact, and push away the display screen to stripper plate 201 one side, can be to the display screen centre gripping of equidimension not through the setting of arc contact 103, the efficiency to the display screen detects has been improved effectively, stripper plate 201 receives extrusion first spring 203 energy storage, after first contact 204 contacts with second contact 205, motor 101 outage and auto-lock, effectively to the display screen location centre gripping, and prevent effectively that the dynamics of centre gripping to the display screen is too big causes its damage.
Example 2: referring to fig. 1, 2, 3, 4 and 5, an LCD liquid crystal display detection mechanism is substantially the same as that of embodiment 1, further, a connecting rod 305 symmetrically slides on one side of the workbench 1 far away from the opening end, a push plate 304 is fixedly connected between the two connecting rods 305, and a driving assembly for pushing the connecting rod 305 is disposed on the workbench 1.
The driving assembly comprises a first sleeve 3 fixed on the workbench 1, a first sliding rod 301 is hermetically and slidingly arranged in the first sleeve 3, a pull rope 302 is arranged between the first sliding rod 301 and the push block 102, second sleeves 303 are symmetrically and fixedly connected to the workbench 1, a connecting rod 305 is hermetically and slidingly arranged in the second sleeves 303, the two second sleeves 303 are communicated, a second spring 306 is fixedly connected between the second sleeves 303 and the connecting rod 305, a vent pipe 307 is arranged between the front end of the first sleeve 3 and the second sleeve 303, and an electromagnetic valve 308 is arranged at one end, close to the first sleeve 3, of the vent pipe 307.
When the push block 102 rotates, the first slide rod 301 is pulled out through the pull rope 302, at the moment, the air pressure in the first sleeve 3 is increased, after detection is completed, the electromagnetic valve 308 is opened, the motor 101 is controlled to rotate reversely, at the moment, air in the first sleeve 3 is instantaneously discharged and enters the second sleeve 303 through the vent pipe 307, the second spring 306 is compressed, the display screen is pushed upwards by the connecting rod 305 and the push plate 304, and then the display screen is taken down manually, so that the taking-out efficiency of the display screen is effectively improved, and the detection efficiency of the display screen is effectively improved.
When the push block 102 is completely reset, the air in the second sleeve 303 flows back into the first sleeve 3 under the action of the second spring 306, and the electromagnetic valve 308 is closed by the controller before the next display screen is detected.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. An LCD liquid crystal display detection mechanism comprising: workstation (1), its characterized in that still includes:
a plurality of limit rods (2) sliding on one side of the workbench (1);
the elastic component is arranged between the limiting rod (2) and the workbench (1);
the extrusion plate (201) is arranged on the workbench (1) in a sliding manner, and the limiting rod (2) is fixedly connected with the extrusion plate (201);
a control box (106) fixed on the workbench (1);
the limiting component is used for pushing the display screen and is arranged on the workbench (1) and matched with the extrusion plate (201);
the first contacts (204) are symmetrically arranged on the workbench (1);
the second contact (205) is symmetrically fixed on the squeeze plate (201), and the second contact (205) is matched with the first contact (204);
the mechanical arm (104) is fixed on the workbench (1);
the detection head (105) is arranged at the output end of the mechanical arm (104);
when the display screen is fixed, the limiting component pushes the display to the direction of the extrusion plate (201), the extrusion plate (201) receives extrusion sliding, and the limiting component stops extrusion of the display screen after the first contact (204) and the second contact (205) are contacted.
2. The mechanism according to claim 1, wherein the elastic component comprises a connecting plate (202) arranged on the outer side of the workbench (1), the connecting plate (202) is fixedly connected with the limit rod (2), and first springs (203) are symmetrically arranged between the connecting plate (202) and the workbench (1).
3. The LCD liquid crystal display detection mechanism according to claim 1, wherein the limit assembly comprises a motor (101) fixed at the bottom of the workbench (1), a push block (102) is rotatably arranged on the workbench (1), an arc-shaped contact portion (103) is arranged on the push block (102), and an output end of the motor (101) is fixedly connected with the push block (102).
4. An LCD liquid crystal display detection mechanism according to claim 1, characterized in that the table (1) is arranged obliquely.
5. A mechanism for detecting a Liquid Crystal Display (LCD) according to claim 3, wherein the connecting rods (305) symmetrically slide on one side of the workbench (1) far away from the opening end, and a push plate (304) is fixedly connected between the two connecting rods (305).
6. The LCD panel detection mechanism according to claim 5, wherein the table (1) is provided with a driving assembly for pushing the connecting rod (305).
7. The mechanism according to claim 6, wherein the driving assembly comprises a first sleeve (3) fixed on the workbench (1), a first sliding rod (301) is sealed and slid in the first sleeve (3), a pull rope (302) is arranged between the first sliding rod (301) and the push block (102), a second sleeve (303) is symmetrically and fixedly connected on the workbench (1), the connecting rod (305) is sealed and slid in the second sleeve (303), two second sleeves (303) are communicated, a second spring (306) is fixedly connected between the second sleeve (303) and the connecting rod (305), and a vent pipe (307) is arranged between the front end of the first sleeve (3) and the second sleeve (303).
8. An LCD liquid crystal display detection mechanism according to claim 7, wherein the vent pipe (307) is provided with a solenoid valve (308) at one end close to the first sleeve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322034036.9U CN220526138U (en) | 2023-07-31 | 2023-07-31 | LCD liquid crystal display detection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322034036.9U CN220526138U (en) | 2023-07-31 | 2023-07-31 | LCD liquid crystal display detection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220526138U true CN220526138U (en) | 2024-02-23 |
Family
ID=89935477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322034036.9U Active CN220526138U (en) | 2023-07-31 | 2023-07-31 | LCD liquid crystal display detection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220526138U (en) |
-
2023
- 2023-07-31 CN CN202322034036.9U patent/CN220526138U/en active Active
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