CN209946041U

CN209946041U - Dual-module AOI detection device of liquid crystal display production line

Info

Publication number: CN209946041U
Application number: CN201920599358.9U
Authority: CN
Inventors: 马伟; 闫文泽
Original assignee: Suzhou Tianmu Optical Technology Co Ltd
Current assignee: Suzhou Tianmu Optical Technology Co Ltd
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2020-01-14
Anticipated expiration: 2029-04-22

Abstract

The utility model relates to a AOI detects technical field, and discloses a bimodulus group AOI detection device of liquid crystal display production line, including detection device body and fixed connection at the camera of detection device body top inner wall, the inside sliding connection of detection device body has the pick-up plate, the opening that corresponds with the pick-up plate is seted up to one side of detection device body, the pick-up plate is located this internal one end downside fixedly connected with fixed block of detection device, relative one side lateral wall that the detection device body is located the pick-up plate below rotates through ball bearing and is connected with same root rotation screw rod, the screw with rotation screw rod accordant connection is seted up to the lateral wall of fixed block, the outer wall fixedly connected with motor of detection device body. The utility model provides high detection efficiency for it is higher to detect the rate of accuracy.

Description

Dual-module AOI detection device of liquid crystal display production line

Technical Field

The utility model relates to a AOI detects technical field, especially relates to a bimodulus group AOI detection device of liquid crystal display production line.

Background

The liquid crystal display screen belongs to a flat panel display. The screen display device is used for screen display of televisions and computers. The display screen has the advantages of low power consumption, small size and low radiation, and double-module AOI detection is required in the production process of the liquid crystal display screen.

AOI is called automatic optical inspection entirely, and is equipment for detecting common defects encountered in welding production based on an optical principle, when the automatic inspection is carried out, a machine automatically scans a PCB through a camera, acquires images, compares the tested welding spots with qualified parameters in a database, inspects the defects on the PCB through image processing, and displays/marks the defects through a display or an automatic mark for maintenance personnel to repair.

Present AOI detection device need be hard when placing the PCB board on the pick-up plate again stretch into the AOI detection device with the PCB board in, the placing of the PCB board of not being convenient for, and because the rigidity of camera, the PCB board is best under the camera when detecting, but is difficult to place the PCB board accuracy of not unidimensional under the camera at present, has influenced and has detected the rate of accuracy.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving AOI detection device among the prior art and placing the PCB board again need be hard stretch into the AOI detection device with the PCB board when the pick-up plate in, be not convenient for placing of PCB board, and because the rigidity of camera, the PCB board is best under the camera when detecting, but be difficult to place not unidimensional PCB board accuracy under the camera at present, the problem of detecting the rate of accuracy has been influenced, and the bimodulus AOI detection device of group of a liquid crystal display production line that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a double-module AOI detection device of a liquid crystal display production line comprises a detection device body and a camera fixedly connected to the inner wall of the top of the detection device body, wherein the detection plate is connected inside the detection device body in a sliding mode, an opening corresponding to the detection plate is formed in one side of the detection device body, a fixed block is fixedly connected to the lower side of one end, located inside the detection device body, of the detection plate, the side wall, located on the opposite side of the detection device body, of the detection device body is rotatably connected with a same rotating screw rod through a ball bearing, a screw hole matched and connected with the rotating screw rod is formed in the side wall of the fixed block, a motor is fixedly connected to the outer wall of the detection device body, an output shaft of the motor penetrates through the side wall of the detection device body and is fixedly connected with one end of the rotating screw rod, the, two the equal fixedly connected with driven helical gear of the opposite one end of rotatory screw rod, it is connected with the telescopic link to open through ball bearing rotation in through-hole and the through-hole to open the front side of pick-up plate, the one end of telescopic link stretches into in the pick-up plate and fixedly connected with and driven helical gear meshed's initiative helical gear, the other end fixedly connected with rotor plate of telescopic link, the fixed slot that corresponds with the rotor plate is opened to the front side of pick-up plate, the pole wall threaded connection of rotatory screw rod has the carriage release lever, the bar opening that the upper end of carriage release lever was seted up through the pick-up plate upper end stretches out the outer and fixedly.

Preferably, the side wall of the rotating plate is symmetrically and fixedly connected with two clamping blocks, and the inner wall of the fixing groove is provided with clamping grooves matched with the clamping blocks.

Preferably, the surface of the clamping plate is fixedly coated with a layer of anti-skid and wear-resistant rubber pad.

Preferably, the lower end of the moving rod is fixedly connected with a first limiting slide block, and the inner wall of the bottom of the detection plate is provided with a first limiting sliding groove matched with the first limiting slide block.

Preferably, a plurality of second limiting slide blocks are symmetrically and fixedly connected to the inner wall of the front side and the rear side of the detection device body, and second limiting sliding grooves matched with the second limiting slide blocks are formed in the side wall of the detection plate.

Compared with the prior art, the utility model provides a bimodulus group AOI detection device of liquid crystal display production line possesses following beneficial effect:

1. this liquid crystal display production line's bimodulus group AOI detection device, starter motor when detecting, the motor drives and rotates the screw rod and rotates, utilizes the threaded connection effect of rotating screw rod and fixed block to make the fixed block drive the pick-up plate and remove and release this external PCB board that can be convenient for people's quick convenient placing of detection device through the opening with the pick-up plate, has improved detection efficiency.

2. This liquid crystal display production line's AOI detection device of bimodulus group, through the commentaries on classics board that is equipped with, the PCB board that will be detected is placed on the pick-up plate, rotate the commentaries on classics board, the commentaries on classics board drives the telescopic link and rotates and then drive the rotation of initiative helical gear, the meshing that utilizes initiative helical gear and driven helical gear drives rotatory screw rod and rotates, the screw thread connection effect of rethread rotatory screw rod and carriage release lever makes two carriage release levers drive splint and is close to each other, and then stabilize the location centre gripping to the PCB board, and the displacement of two splint equals, consequently, can guarantee that the PCB board is by firm centre gripping at the pick-up plate intermediate position, and then can make PCB board position camera under.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model provides high detection efficiency for it is higher to detect the rate of accuracy.

Drawings

Fig. 1 is a schematic structural view of a dual-module AOI detection device of a liquid crystal display production line according to the present invention;

fig. 2 is the utility model provides a structural schematic diagram of the detection board of the AOI detection device of the dual module group of liquid crystal display production line.

In the figure: the detection device comprises a detection device body 1, a camera 2, a detection plate 3, an opening 4, a fixing block 5, a rotating screw 6, a motor 7, a rotating screw 8, a driven bevel gear 9, a telescopic rod 10, a driving bevel gear 11, a rotating plate 12, a fixing groove 13, a movable rod 14 and a clamping plate 15.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a dual-module AOI detection device of a liquid crystal display production line comprises a detection device body 1 and a camera 2 fixedly connected to the inner wall of the top of the detection device body 1, wherein the detection device body 1 is connected with a detection plate 3 in a sliding manner, one side of the detection device body 1 is provided with an opening 4 corresponding to the detection plate 3, the detection plate 3 is fixedly connected with a fixed block 5 at the lower side of one end positioned in the detection device body 1, the opposite side wall of the detection device body 1 positioned below the detection plate 3 is rotatably connected with a same rotating screw 6 through a ball bearing, the side wall of the fixed block 5 is provided with a screw hole matched and connected with the rotating screw 6, the outer wall of the detection device body 1 is fixedly connected with a motor 7, the output shaft of the motor 7 penetrates through the side wall of the detection device body 1 and is fixedly connected with one end of the rotating screw 6, the detection, the equal fixedly connected with driven helical gear 9 of 8 opposite ends of two rotatory screw rods, it is connected with telescopic link 10 to open through-hole and through-hole in through ball bearing rotation in the front side of pick-up plate 3, the one end of telescopic link 10 stretches into in the pick-up plate 3 and fixedly connected with and driven helical gear 9 meshed initiative helical gear 11, the other end fixedly connected with rotor plate 12 of telescopic link 10, fixed slot 13 corresponding with rotor plate 12 is opened to the front side of pick-up plate 3, the pole wall threaded connection of rotatory screw rod 8 has carriage release lever 14, the bar opening that the upper end of carriage release lever 14 was seted up through pick-up plate 3 upper end stretches out the outer and fixedly connected with splint 15 of pick-up.

Two clamping blocks are symmetrically and fixedly connected to the side wall of the rotating plate 12, and clamping grooves matched with the clamping blocks are formed in the inner wall of the fixing groove 13.

The surface of the clamping plate 15 is fixedly coated with a layer of anti-skid and wear-resistant rubber pad.

The lower extreme fixedly connected with first spacing slider of carriage release lever 14, the first spacing spout with first spacing slider assorted is seted up to the bottom inner wall of pick-up plate 3.

The inner wall of the front side and the rear side of the detection device body 1, which are opposite to each other, are symmetrically and fixedly connected with a plurality of second limiting sliding blocks, and the side wall of the detection plate 3 is provided with second limiting sliding grooves matched with the second limiting sliding blocks.

In the utility model, when in use, the motor 7 is started when in detection, the motor 7 drives the rotating screw 6 to rotate, the fixed block 5 drives the detection plate 3 to move by utilizing the threaded connection action of the rotating screw 6 and the fixed block 5, the detection plate 3 is pushed out of the detection device body 1 through the opening, the detected PCB can be conveniently and rapidly placed by people, the detection efficiency is improved, the detected PCB is placed on the detection plate 3 by utilizing the rotating plate 12, the rotating plate 12 is rotated, the rotating plate 12 drives the telescopic rod 10 to rotate and further drives the driving bevel gear 11 to rotate, the rotating screw 8 is driven to rotate by utilizing the meshing action of the driving bevel gear 11 and the driven bevel gear 9, the two moving rods 14 drive the clamping plates 15 to be close to each other by utilizing the threaded connection action of the rotating screw 8 and the moving rods 14, and further the PCB is stably positioned and clamped, and the moving distances of the two clamping plates 15 are, therefore, the PCB can be guaranteed to be clamped in the middle of the detection plate 3 firmly, and then the camera 2 at the position of the PCB can be enabled to be under the PCB, so that the detection accuracy is higher.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A double-module AOI detection device of a liquid crystal display production line comprises a detection device body (1) and a camera (2) fixedly connected to the inner wall of the top of the detection device body (1), and is characterized in that a detection plate (3) is connected to the inside of the detection device body (1) in a sliding manner, an opening (4) corresponding to the detection plate (3) is formed in one side of the detection device body (1), a fixed block (5) is fixedly connected to the lower side of one end, located in the detection device body (1), of the detection device body (1), the side wall, located on the opposite side below the detection plate (3), of the detection device body is rotatably connected with a same rotating screw rod (6) through a ball bearing, a screw hole matched and connected with the rotating screw rod (6) is formed in the side wall of the fixed block (5), and a motor (7) is fixedly connected to the, the output shaft of the motor (7) penetrates through the side wall of the detection device body (1) and is fixedly connected with one end of a rotating screw (6), the detection plate (3) is of a hollow structure, the inner wall of one opposite side is rotatably connected with rotating screw rods (8) through ball bearings, one opposite ends of the two rotating screw rods (8) are fixedly connected with driven helical gears (9), a through hole is formed in the front side of the detection plate (3), a telescopic rod (10) is rotatably connected in the through hole through the ball bearings, one end of the telescopic rod (10) extends into the detection plate (3) and is fixedly connected with a driving helical gear (11) meshed with the driven helical gears (9), a rotating plate (12) is fixedly connected with the other end of the telescopic rod (10), a fixing groove (13) corresponding to the rotating plate (12) is formed in the front side of the detection plate (3), and a moving rod (14) is in threaded connection with the rod wall of the, the upper end of the moving rod (14) extends out of the detection plate (3) through a strip-shaped opening formed in the upper end of the detection plate (3) and is fixedly connected with a clamping plate (15).

2. The dual-module AOI detection device of the liquid crystal display production line as claimed in claim 1, wherein the side wall of the rotating plate (12) is symmetrically and fixedly connected with two clamping blocks, and the inner wall of the fixing groove (13) is provided with a clamping groove matched with the clamping blocks.

3. The dual-module AOI detection device of the liquid crystal display production line of claim 1, wherein the surface of the clamping plate (15) is fixedly coated with a layer of anti-skid and wear-resistant rubber pad.

4. The dual-module AOI detection device of the liquid crystal display production line of claim 1, wherein a first limit slider is fixedly connected to the lower end of the moving rod (14), and a first limit chute matched with the first limit slider is formed in the inner wall of the bottom of the detection plate (3).

5. The dual-module AOI detection device of the liquid crystal display production line as claimed in claim 1, wherein a plurality of second limiting slide blocks are symmetrically and fixedly connected to the inner wall of one side of the detection device body (1) opposite to the front side and the rear side, and a second limiting slide groove matched with the second limiting slide blocks is formed in the side wall of the detection plate (3).