CN218674689U

CN218674689U - AOI optical detection device for LCD

Info

Publication number: CN218674689U
Application number: CN202222212350.7U
Authority: CN
Inventors: 李洪平
Original assignee: Weihai Xin View Electronic Technology Co ltd
Current assignee: Weihai Xin View Electronic Technology Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2023-03-21
Anticipated expiration: 2032-08-22

Abstract

The utility model relates to a LCD liquid crystal display detects technical field, specifically is an AOI optical detection device for LCD liquid crystal display, including supporting box, AOI optical detection appearance, spacing box and servo motor. The output shaft of servo motor has the screw rod, and the screw rod has the frame plate through threaded connection, and the top of spacing case is provided with the hole of stepping down corresponding with the frame plate, and the frame plate passes the hole of stepping down. The top end of the frame plate is connected with a widening plate, the front end of the widening plate is provided with a rotary air cylinder, the output end of the rotary air cylinder is connected with a positioning plate, the rear end of the positioning plate is connected with an adapter plate, the rear end of the adapter plate is provided with centering clamping air cylinders, the output end of each pair of the centering clamping air cylinders is connected with a convex plate, the left part and the right part of each convex plate are connected with fixed plates, and one end, close to the middle part of the centering clamping air cylinder, of each fixed plate is connected with a clamping strip. The utility model discloses have the display screen of being convenient for detect the product two sides, efficiency is higher, is favorable to the effect to the display screen location.

Description

AOI optical detection device for LCD

Technical Field

The utility model relates to a LCD liquid crystal display detects technical field, specifically is an AOI optical detection device for LCD liquid crystal display.

Background

The LCD liquid crystal display screen finishes the color reproduction of a time domain and a space domain through a red, green and blue three-primary-color filter film, and is a display adopting liquid crystal as a material. And along with the development change of display screen, there is the structure that partial product adopted two-sided demonstration, all be provided with the display screen in the both sides of product, when detecting, need detect the both sides of the product of installing the LCD screen, and to the device of one-way detection display screen, need remove the display screen repeatedly and the upset direction, realize the effect that the both sides all were convenient for detect, efficiency is lower, and to partial flip structure, can make the position of display screen become askew, be unfavorable for fixing a position to the display screen.

Disclosure of Invention

Not enough to prior art, the utility model provides a AOI optical detection device for LCD liquid crystal display has the display screen of being convenient for detect the product two sides, and efficiency is higher, and is favorable to the effect to the display screen location.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an AOI optical detection device for LCD liquid crystal display, includes the supporting box, and AOI optical detection appearance is installed on the upper portion of supporting box, and the bottom of supporting box is connected with spacing case, and servo motor is installed to the right-hand member of spacing case, and servo motor's output shaft has the screw rod, and the screw rod has the frame plate through threaded connection, and the top of spacing case is provided with the hole of stepping down corresponding with the frame plate, and the frame plate passes the hole of stepping down. The top end of the frame plate is connected with a widening plate, the front end of the widening plate is provided with a rotary air cylinder, the output end of the rotary air cylinder is connected with a positioning plate, the rear end of the positioning plate is connected with an adapter plate, the rear end of the adapter plate is provided with centering clamping air cylinders, the output end of each pair of the centering clamping air cylinders is connected with a convex plate, the left part and the right part of each convex plate are connected with fixed plates, and one end, close to the middle part of the centering clamping air cylinder, of each fixed plate is connected with a clamping strip.

Preferably, the guide rails are installed at the front portion of the top end and the rear portion of the top end of the limiting box, the sliding blocks are matched with the upper portions of the guide rails in a sliding mode, and the bottom end of the widening plate is fixedly connected with the top ends of the sliding blocks.

In order to improve the connection strength between the clamping strip and the fixing plate, a ribbed plate is fixedly connected between one end of the clamping strip, which is far away from the middle part of the centering clamping cylinder, and the rear end of the fixing plate.

Furthermore, a bearing with a seat is installed at the left end of the limiting box, and the left end of the screw rod is inserted into the installation hole of the bearing with the seat.

Preferably, the clamping strip is in a strip shape with an L-shaped section, and the concave surface of the clamping strip is fixedly connected with the wear-resistant layer.

In order to reduce the sliding, the bottom end of the supporting box is fixedly connected with a bottom plate, and the bottom end of the bottom plate is fixedly connected with an anti-slip pad.

Compared with the prior art, the utility model provides an AOI optical detection device for LCD liquid crystal display possesses following beneficial effect:

this an AOI optical detection device for LCD liquid crystal display installs the rear portion at centering die clamping cylinder through the product that will detect, withdraws through centering die clamping cylinder's output, and then makes and press from both sides tight strip and press from both sides tight product to let out the detection space of display screen through the clearance between pressing from both sides tight strip. When the product is rotated to needs, drive keysets, centering die clamping cylinder, press from both sides tight strip and product rotation through revolving cylinder, and then the angle of adjustment product, make its display screen that detects the opposite side, the process of whole upset, it is unchangeable to the clamping position of product, and then when being favorable to adjusting the angle of product, reduce the condition of product offset, reach the display screen that is convenient for detect the product two sides, efficiency is higher, is favorable to the effect to the display screen location.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side view schematic diagram of the limiting box, the guide rail, the sliding block and the widening plate of the present invention;

fig. 3 is a left side view structural schematic diagram of the widening plate, the convex plate, the fixing plate and the clamping strip of the present invention;

fig. 4 is a rear view schematic structural view of the centering clamping cylinder, the fixing plate, the convex plate and the clamping strip of the present invention;

fig. 5 is a schematic structural view of the middle clamping strip and the wear-resistant layer of the present invention.

The symbols in the drawings illustrate that:

1. a support box; 2. an AOI optical detector; 3. a limiting box; 4. a servo motor; 5. a screw; 6. a pedestal bearing; 7. a frame plate; 8. a guide rail; 9. a slider; 10. a widening plate; 11. a longitudinal plate; 12. a rotating cylinder; 13. positioning a plate; 14. an adapter plate; 15. centering and clamping the air cylinder; 16. a convex plate; 17. a fixing plate; 18. a rib plate; 19. a clamping bar; 20. a wear resistant layer; 21. a base plate; 22. a non-slip mat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, an AOI optical detection device for an LCD display screen includes a support box 1, an AOI optical detector 2 is installed on the upper portion of the support box 1, a bottom plate 21 is fixedly connected to the bottom end of the support box 1, a non-slip mat 22 is fixedly connected to the bottom end of the bottom plate 21, the non-slip mat 22 is a rubber mat, and the bottom plate 21 and an installation location are connected by screws, and the non-slip mat 22 contacts the installation location to reduce the position deviation of the support box 1.

Supporting box 1's bottom fixedly connected with limit box 3, servo motor 4 is installed to limit box 3's right-hand member, servo motor 4's output shaft fixedly connected with screw rod 5, and the rolling bearing 6 is installed to limit box 3's left end, and inside the left end of screw rod 5 inserted the mounting hole of rolling bearing 6, through the left part of rolling bearing 6 support screw rod 5, the crooked condition in reduction screw rod 5 left part. The screw rod 5 has a frame plate 7 through threaded connection, the top of the limiting box 3 is provided with a yielding hole corresponding to the frame plate 7, the frame plate 7 penetrates through the yielding hole, and the top end of the frame plate 7 is fixedly connected with a widening plate 10. Guide rail 8 is all installed to spacing case 3's top front portion and top rear portion, and the equal sliding fit in upper portion of each guide rail 8 has slider 9, and the bottom of widening board 10 and the top fixed connection of each slider 9 cooperate between slider 9 and the guide rail 8, and then effectively lead to widening board 10, reduce the condition that widening board 10 removed in-process offset.

The front end of the widening plate 10 is provided with a rotary cylinder 12, the output end of the rotary cylinder 12 is fixedly connected with a positioning plate 13, the rear end of the positioning plate 13 is fixedly connected with an adapter plate 14, the rear end of the adapter plate 14 is provided with a centering clamping cylinder 15, the output end of each pair of the centering clamping cylinders 15 is fixedly connected with a convex plate 16, the left part and the right part of each convex plate 16 are fixedly connected with fixing plates 17, and one end of each fixing plate 17 close to the middle part of the centering clamping cylinder 15 is fixedly connected with a clamping strip 19. A ribbed plate 18 is fixedly connected between one end, far away from the middle of the centering clamping cylinder 15, of the clamping strip 19 and the rear end of the fixing plate 17, the connecting strength between the fixing plate 17 and the clamping strip 19 is improved through the ribbed plate 18, and the deflection of the clamping strip 19 is reduced. The clamping strips 19 are strip-shaped, the cross sections of the clamping strips are L-shaped, the concave surfaces of the clamping strips 19 are fixedly connected with the wear-resistant layers 20, the wear-resistant layers 20 are rubber pads, and the products are placed into the space formed by the four clamping strips 19 through the L-shaped strip-shaped clamping strips 19, so that the positions of the products are limited, and the product slipping condition in the rotating process is reduced.

When the product detection device is used, a product to be detected is firstly installed at the rear part of the centering clamping cylinder 15 and is withdrawn through the output end of the centering clamping cylinder 15, so that the clamping strips 19 clamp the product, and the detection space of the display screen is made up through the gaps among the clamping strips 19. When a product needs to be rotated, the adapter plate 14, the centering clamping cylinder 15, the clamping strip 19 and the product are driven to rotate through the rotating cylinder 12, and then the angle of the product is adjusted, so that the AOI optical detector 2 detects the display screen on the other side. The whole process of overturning is unchangeable to the tight position of clamp of product, and then when being favorable to adjusting the angle of product, reduces the condition of product offset, reaches the display screen that is convenient for detect the product two sides, and efficiency is higher, is favorable to the effect to the display screen location.

The centering clamping cylinder can be selected from cylinders with models of MHL2-32D2, and the rotating cylinder can be selected from cylinders with models of MSQB-20A, and the centering clamping cylinder and the rotating cylinder are all well-known devices which can be directly purchased in the market, and are only used here, and structural and functional improvements are not carried out on the centering clamping cylinder, so detailed description is omitted.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An AOI optical detection device for LCD screen, characterized in that: including supporting box (1), AOI optical detection appearance (2) are installed on the upper portion of supporting box (1), the bottom of supporting box (1) is connected with spacing case (3), servo motor (4) are installed to the right-hand member of spacing case (3), the output shaft of servo motor (4) has screw rod (5), screw rod (5) have frame plate (7) through threaded connection, the top of spacing case (3) be provided with the corresponding hole of stepping down of frame plate (7), frame plate (7) pass the hole of stepping down, the top of frame plate (7) is connected with widening board (10), revolving cylinder (12) are installed to the front end of widening board (10), the output of revolving cylinder (12) is connected with locating plate (13), the rear end of locating plate (13) is connected with keysets (14), centering keysets (15) are installed to the rear end of keysets (14), each centering pinches the output of pinches cylinder (15) and all is connected with flange (16), each the left part and the right part of flange (16) all are connected with keysets (17), each one end of clamping bars (17) is close to stationary plate (17) one end fixing plate (17).

2. The AOI optical inspection device for LCD screens of claim 1, wherein: guide rails (8) are installed on the front portion of the top end and the rear portion of the top end of the limiting box (3), sliding blocks (9) are matched with the upper portions of the guide rails (8) in a sliding mode, and the bottom end of the widening plate (10) is fixedly connected with the top ends of the sliding blocks (9).

3. The AOI optical inspection device for LCD screens of claim 1 wherein: and a ribbed plate (18) is fixedly connected between one end of the clamping strip (19) far away from the middle part of the centering clamping cylinder (15) and the rear end of the fixing plate (17).

4. The AOI optical inspection device for LCD screens of claim 1, wherein: the left end of the limiting box (3) is provided with a bearing with a seat (6), and the left end of the screw rod (5) is inserted into the mounting hole of the bearing with a seat (6).

5. The AOI optical inspection device for LCD screens of claim 1, wherein: the clamping strip (19) is in a strip shape with an L-shaped section, and a wear-resistant layer (20) is fixedly connected to the concave surface of the clamping strip (19).

6. The AOI optical inspection device for LCD screens of claim 1, wherein: the bottom end of the supporting box (1) is fixedly connected with a bottom plate (21), and the bottom end of the bottom plate (21) is fixedly connected with an anti-skid pad (22).