CN213148760U

CN213148760U - AOI detection device of cell-phone glass display screen

Info

Publication number: CN213148760U
Application number: CN202021228609.1U
Authority: CN
Inventors: 李裘骅; 符成龙
Original assignee: Suzhou Weichuangda Intelligent Equipment Co ltd
Current assignee: Suzhou Weichuangda Intelligent Equipment Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-05-07
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses an AOI detection device of cell-phone glass display screen, which comprises a worktable, be fixed with frame and crimping platform on the board, the frame is fixed in the outside of crimping platform, be connected with the main camera structure of examining in the frame, it sets up in the top of crimping platform, the left and right sides of crimping platform is equipped with side light module, the rear side top of crimping platform is connected with ion wind stick, be equipped with the pick-up plate mount on the board, it sets up in the rear of crimping platform. The utility model has the advantages that: adopt full-automatic mechanical operation, realize loading and being connected of product through the crimping platform, through the automatic focusing of main camera structure realization camera, and the focus is accurate, crimping platform and the main all can multi-direction adjustment of camera structure of examining simultaneously, guarantee that the product can all-round accurate detection, detection efficiency is high simultaneously, and the connection of product connector lug is simple, long service life.

Description

AOI detection device of cell-phone glass display screen

Technical Field

The utility model relates to an AOI detects technical field, specifically is an AOI detection device of cell-phone glass display screen.

Background

AOI, which is called automatic optical inspection in Chinese, is an apparatus for inspecting common defects encountered in production based on optical principles. When equipment starts to detect, a camera lens on the equipment is used for collecting images of products, and then the image information is compared with set parameters in a database, so that the defects of the products can be displayed and marked, and the method is particularly widely applied to the field of display screens. Various defects easily appear in the display screen in the production process, such as the display screen can not be lightened, the display screen is scratched in appearance, the display screen is internally polluted, the color of the display screen is not uniform, and the like, so that the optical detection on the display screen is very necessary. The existing display screen detection is completed through visual detection equipment, the common visual detection equipment is AOI detection, and the focusing detection of the display screen is realized by adjusting a detection camera. With the rapid development of smart phones, the display screens of the smart phones become the most produced products in the displays at the present stage, and meanwhile, the requirements on the display screens of the smart phones are higher and higher. When the mobile phone glass display screen is subjected to AOI detection, the mobile phone glass display screen needs to be connected to detection equipment, the traditional mobile phone glass display screen is connected by adopting a manual splicing connecting wire, but the efficiency is low, manual operation is not easy to control well, the connection is not in place, the detection result is influenced, or the service life of a product connector lug is influenced due to the fact that the splicing is excessive. The common camera focusing mode of AOI detection is to manually rotate a camera lens to adjust the focal length, but the manual focusing speed is too slow, the manual focusing speed is not well controlled, some defects are often missed, and meanwhile, the working efficiency is low and the cost is high. Some adopt automatic focusing, realize the automatic focusing to the camera lens through adopting motor cooperation reduction gear, but only rely on the reduction gear to realize automatic focusing, the focusing precision is difficult to control.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an AOI detection device of cell-phone glass display screen to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an AOI detection device of a mobile phone glass display screen comprises a machine table, wherein a rack and a compression joint platform are fixed on the machine table, the rack is fixed on the outer side of the compression joint platform, a main detection camera structure is connected to the rack and arranged above the compression joint platform, side light modules are arranged on the left side and the right side of the compression joint platform, an ion wind bar is connected above the rear side of the compression joint platform, and a detection plate fixing frame is arranged on the machine table and arranged behind the compression joint platform;

the crimping platform comprises a base, a platform support plate, a crimping structure and a product platform, wherein the base is fixed on the machine platform, the base is provided with a first screw rod and a first sliding assembly which are arranged in bilateral symmetry, the first screw rod and the first sliding assembly are horizontally arranged in front and back and are fixedly connected with a first base plate, the platform support plate is fixed on the base, and the product platform is fixed above the platform support plate;

the camera structure of examining mainly contains camera drive assembly, fixed bolster, camera, step motor, camera drive assembly is fixed in the frame, fixed bolster and camera drive assembly sliding connection, the camera is connected with the camera support, its and fixed bolster sliding connection, the one end of keeping away from camera drive assembly on the camera support is equipped with step motor, step motor's output is equipped with gear drive assembly, gear drive assembly and camera are connected.

It is further preferred, the crimping structure contains second backing plate, first connecting plate, second connecting plate, third connecting plate, clamp plate, the below of second backing plate is equipped with the second sliding component that the level set up around, and it is fixed in on the first backing plate, first connecting plate is fixed in on the second backing plate, be equipped with the third sliding component of perpendicular setting on the first connecting plate, third sliding component and second connecting plate link to each other, second connecting plate top is connected with the third connecting plate, third connecting plate and clamp plate fixed connection, the one end of keeping away from the third connecting plate on the clamp plate is equipped with the crimping head.

It is further preferred, camera transmission assembly contains the fourth connecting plate, be equipped with fixed connection's tow chain and fourth slip subassembly on the fourth connecting plate, fourth connecting plate and fixed bolster fixed connection, be equipped with fifth slip subassembly on the fixed bolster, be connected with the fifth connecting plate on the fifth slip subassembly, be provided with the sixth connecting plate on the fifth connecting plate perpendicularly, be equipped with the sixth slip subassembly and the second lead screw that set up side by side on the sixth connecting plate, and all with camera support fixed connection.

Further preferably, the first sliding assembly, the second sliding assembly, the third sliding assembly, the fourth sliding assembly, the fifth sliding assembly and the sixth sliding assembly are all composed of sliding blocks and guide rails.

Further preferably, a module supporting plate is arranged below the side light module, the module supporting plate is rotatably connected with a first connecting rod, two ends of the first connecting rod are respectively and slidably connected with a second connecting rod, two second connecting rods are respectively and slidably connected with a third connecting rod, and the two third connecting rods are fixed on the side face of the carrier supporting plate.

It is further preferred that the gear drive subassembly contains first gear, second gear, third gear, first gear sets up in step motor's output axle head, the second gear is connected and sets up in the middle of the two with first gear and the equal meshing of third gear, the below of third gear is equipped with support bearing, the third gear is fixed in on the camera.

Preferably, the first gear is a pinion, the third gear is a bull gear, the diameter of the third gear is more than five times of the diameter of the pinion, the diameter of the second gear is between the diameters of the first gear and the third gear, and the third gear is designed in a structure with half of teeth and half of smooth surfaces.

Further preferably, the product carrying platform is provided with a connecting wire groove, a product placing groove and a storage groove, the connecting wire groove is arranged at the rear end of the product placing groove and communicated with the product placing groove, and the storage groove and the product placing groove are arranged side by side left and right.

Advantageous effects

The utility model discloses a cell-phone glass display screen's AOI detection device adopts full-automatic mechanical operation, realizes loading and being connected of product through crimping platform, through the automatic focusing who mainly examines camera structure and realize the camera, and the focus is accurate, crimping platform and the main equal multi-direction adjustment of camera structure of examining simultaneously, guarantee that the product can all-round accurate detection, detection efficiency is high simultaneously, and the product connector lug is connected simply long service life.

Drawings

Fig. 1 is a schematic diagram of a rear axle side structure of an AOI detection device for a mobile phone glass display screen disclosed in an embodiment of the present invention;

fig. 2 is a schematic front-axle side structure view of an AOI detection device for a glass display screen of a mobile phone according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a crimping platform disclosed in the embodiment of the present invention;

fig. 4 is a schematic view of a crimping structure disclosed in the embodiment of the present invention;

fig. 5 is a schematic structural view of a front axle side of the main camera structure disclosed in the embodiment of the present invention;

fig. 6 is a schematic view of a lower shaft side structure of the main camera structure disclosed in the embodiment of the present invention.

Reference numerals

10-machine table, 20-machine frame, 30-crimping platform, 301-base, 3011-first screw rod, 3012-first sliding component, 302-platform support plate, 303-crimping structure, 3013-first backing plate, 3031-second sliding component, 3032-second backing plate, 3033-first connecting plate, 3034-third sliding component, 3035-second connecting plate, 3036-third connecting plate, 3037-pressure plate, 3038-crimping head, 304-product platform, 3041-connecting wire groove, 3042-product placing groove, 3043-reserve groove, 40-side light module, 401-module support plate, 402-first connecting rod, 403-second connecting rod, 404-third connecting rod, 50-main camera inspection structure, 501-camera transmission component, 5011-fourth connecting plate, 5012-drag chain, 5013-fourth sliding assembly, 502-fixed support, 5021-fifth sliding assembly, 5022-fifth connecting plate, 5023-sixth connecting plate, 503-camera, 5031-camera support, 5032-sixth sliding assembly, 5033-second lead screw, 504-stepping motor, 5041-motor support, 5042-speed reducer, 505-gear transmission assembly, 5051-first gear, 5052-second gear, 5053-third gear, 5054-support bearing, 60-detection plate fixed support, 70-ion wind rod, 701-wind rod support, 80-product and 801-product connector.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-6, an AOI detection device for a mobile phone glass display screen includes a machine table 10, wherein a rack 20 and a crimping platform 30 are fixed on the machine table 10, the rack 20 is fixed on the outer side of the crimping platform 30, the rack 20 is connected with a main camera detection structure 50 which is arranged above the crimping platform 30, side light modules 40 are arranged on the left and right sides of the crimping platform 30, an ion wind rod 70 is connected above the rear side of the crimping platform 30, and a detection plate fixing frame 60 is arranged on the machine table 10 and is arranged behind the crimping platform 30;

the crimping platform 30 comprises a base 301, a stage support plate 302, a crimping structure 303 and a product stage 304, wherein the base 301 is fixed on the machine table 10, the base 301 is provided with a first screw rod 3011 and a first sliding component 3012 which are arranged in bilateral symmetry, the first screw rod 3011 and the first sliding component 3012 are both horizontally arranged in front and at back and are both fixedly connected with a first base plate 3013, the stage support plate 302 is fixed on the base 301, and the product stage 304 is fixed above the stage support plate 302;

the main camera inspection structure 50 comprises a camera transmission assembly 501, a fixing support 502, a camera 503 and a stepping motor 504, wherein the camera transmission assembly 501 is fixed on the frame 20, the fixing support 502 is connected with the camera transmission assembly 501 in a sliding manner, the camera 503 is connected with a camera support 5031 which is connected with the fixing support 502 in a sliding manner, the stepping motor 504 is arranged at one end, away from the camera transmission assembly 501, of the camera support 5031, the output end of the stepping motor 504 is provided with a gear transmission assembly 505, and the gear transmission assembly 505 is connected with the camera 503.

In this embodiment, the AOI detection device is disposed at a rear end station of a production line of the mobile phone glass display screen, and is used for optical detection of the mobile phone glass display screen. Be equipped with two crimping platforms 30 and two main camera structures 50 of examining on board 10, every the left and right sides of crimping platform 30 all is equipped with a side light module 40, every crimping platform 30 is equipped with four crimping structures 303, every crimping platform 30 can detect four cell-phone glass display screens (replace with product 80 in this embodiment) at most simultaneously, and detection efficiency is high.

In this embodiment, the detection board fixing frames 60 are used for connecting detection boards, each of the crimping platforms 30 is correspondingly connected with two detection board fixing frames 60, and the two detection board fixing frames 60 are respectively connected with an FPC detection board and an LCD detection board, and are matched with the sidelight module 40 and the camera 503 to perform AOI automatic optical detection on the product 80, including backlight detection, dimming detection, appearance detection and the like.

Preferably, the crimping structure 303 includes a second pad 3032, a first connection plate 3033, a second connection plate 3035, a third connection plate 3036, and a pressing plate 3037, a second sliding assembly 3031 horizontally arranged back and forth is arranged below the second pad 3032 and fixed on the first pad 3013, the first connection plate 3033 is fixed on the second pad 3032, a vertically arranged third sliding assembly 3034 is arranged on the first connection plate 3033, the third sliding assembly 3034 is connected with the second connection plate 3035, the third connection plate 3036 is connected above the second connection plate 3035, the third connection plate 3036 is fixedly connected with the pressing plate 3037, and a crimping head 3038 is arranged at one end of the pressing plate 3037 far from the third connection plate 3036.

In this embodiment, the crimping structure 303 is fixed on the first pad 3013, and by rotating the first lead screw 3011, the first pad 3013 can be driven to move back and forth by the cooperation of the first sliding component 3012, thereby adjusting the front and rear positions of the crimping structure 303.

Meanwhile, the first cushion plate 3013 is provided with an air cylinder, a piston rod of the air cylinder is connected with the first connecting plate 3033, and the first connecting plate 3033 can be driven to move back and forth, so that the pressing plate 3037 and the crimping head 3038 are driven to move above or away from the product connector lug 801, and the product 80 can be conveniently taken and placed. The first connecting plate 3033 is provided with an air cylinder, a piston rod of the air cylinder is connected with the second connecting plate 3035, and the air cylinder can drive the second connecting plate 3035 to move up and down, so that the pressing plate 3037 and the crimping head 3038 are driven to move up and down to connect or disconnect the product connector lug 801. Through the adjustment of crimping structure 303 position, can guarantee that product 80 can all-round be detected, there is not the area of leaking.

Preferably, the camera transmission assembly 501 includes a fourth connection plate 5011, a tow chain 5012 and a fourth sliding assembly 5013 which are fixedly connected to the fourth connection plate 5011, the fourth connection plate 5011 is fixedly connected to the fixing bracket 502, a fifth sliding assembly 5021 is disposed on the fixing bracket 502, a fifth connection plate 5022 is connected to the fifth sliding assembly 5021, a sixth connection plate 5023 is vertically disposed on the fifth connection plate 5022, and a sixth sliding assembly 5032 and a second lead screw 5033 which are disposed in parallel to each other are disposed on the sixth connection plate 5023 and are both fixedly connected to the camera bracket 5031.

In this embodiment, the camera transmission assembly 501 is used to adjust the height of the camera 503, so as to provide a space for taking and placing the product 80, and meanwhile, the camera transmission assembly can be used to adjust the shooting distance of the camera 503 during detection, and to quickly adjust the focal length of the camera 503. The fourth sliding assembly 5013 is driven to move up and down through the drag chain 5012, so that the camera 503 on the fixed support 502 is driven to move up and down, and the distance between the camera 503 and the product 80 is adjusted. By rotating the second lead screw 5033, the camera bracket 5031 can be driven to move back and forth, so as to drive the camera 503 to move back and forth, and fine-tune the front and back positions of the camera 503 and the product 80, so that the focal lengths of the camera 503 and the product 80 are more accurate, and the detection precision is improved.

Preferably, the first sliding assembly 3012, the second sliding assembly 3031, the third sliding assembly 3034, the fourth sliding assembly 5013, the fifth sliding assembly 5021 and the sixth sliding assembly 5032 are all composed of sliders and guide rails, and the sliding assemblies are simple and practical in structure and convenient to mount and adjust.

Preferably, a module supporting plate 401 is arranged below the side light module 40, the module supporting plate 401 is rotatably connected with a first connecting rod 402, two ends of the first connecting rod 402 are both slidably connected with a second connecting rod 403, two second connecting rods 403 are both slidably connected with a third connecting rod 404, and the two third connecting rods 404 are fixed on the side surface of the stage supporting plate 302.

In this embodiment, the module supporting plate 401 can rotate around the first connecting rod 402, so as to adjust the irradiation angle of the side lighting module 40, realize the adjustment of light, and provide a light source for the shooting detection of the camera 50. Since the light of the side light module 40 is irradiated onto the product 80 from the side, the backlight detection of the product 80 can be performed.

Preferably, the gear transmission assembly 505 includes a first gear 5051, a second gear 5052 and a third gear 5053, the first gear 5051 is disposed at an output shaft end of the stepping motor 504, the second gear 5052 is engaged with and disposed between the first gear 5051 and the third gear 5053, a support bearing 5054 is disposed below the third gear 5053, and the third gear 5053 is fixed to the camera 503.

In this embodiment, the third gear 5053 is fixed to the camera lens 5031 of the camera 503, and the camera lens 5031 is finely adjusted by rotating the third gear 5053, so that the focal length of the camera is more accurate. The output shaft end of the stepping motor 504 is provided with a reducer 5042, which can reduce the high rotation speed of the stepping motor 504, and then drive the fine adjustment of the camera lens 5031 through the transmission of the gear transmission component 505.

Preferably, the first gear 5051 is a small gear, the third gear 5053 is a large gear, the diameter of the first gear 5051 is more than five times the diameter of the small gear, the diameter of the second gear 5052 is between the diameters of the first gear 5051 and the third gear 5053, and the third gear 5053 is designed in a structure that half of the first gear 5051 is toothed and half of the second gear 5053 is smooth.

In this embodiment, the output rotation speed of the stepping motor 504 is reduced through the first gear 5051 and the second gear 5052, and then is further reduced through the third gear 5053, so that the speed is reduced to an extremely low speed, the camera lens 5031 connected with the third gear 5053 is finely adjusted, the shooting focal length accuracy of the camera 503 is improved, and the detection accuracy of the product 80 is improved.

Preferably, the product platform 304 is provided with a connecting wire groove 3041, a product placing groove 3042 and a storage groove 3043, the connecting wire groove 3041 is arranged at the rear end of the product placing groove 3042 and communicated with the same, and the storage groove 3043 and the product placing groove 3042 are arranged side by side from left to right.

In this embodiment, the storage groove 3043 is a reserved station for additionally installing the detection of the product 80, so that the number of the products 80 to be detected can be increased, the usability of the product carrier 304 can be improved, and the detection efficiency of the product 80 can be improved. The product placing groove 3042 is used to place a product 80 to be detected, and the connecting wire groove 3041 is used to place a product connecting wire, so as to facilitate the connection between the product connector lug 801 and the detection board. By moving the crimping head 3038 downwards, the product connector lug 801 is crimped and connected with the connector of the detection plate, and automatic detection of the AOI of the product 80 is realized.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the content of the present invention within the protection scope of the present invention.

Claims

1. The utility model provides an AOI detection device of cell-phone glass display screen, includes board (10), its characterized in that: a rack (20) and a crimping platform (30) are fixed on the machine table (10), the rack (20) is fixed on the outer side of the crimping platform (30), a main detection camera structure (50) is connected to the rack (20) and arranged above the crimping platform (30), side light modules (40) are arranged on the left side and the right side of the crimping platform (30), an ion wind rod (70) is connected to the upper portion of the rear side of the crimping platform (30), and a detection plate fixing frame (60) is arranged on the machine table (10) and arranged behind the crimping platform (30);

the crimping platform (30) comprises a base (301), a platform deck supporting plate (302), a crimping structure (303) and a product platform deck (304), wherein the base (301) is fixed on a machine table (10), a first screw rod (3011) and a first sliding assembly (3012) which are arranged in bilateral symmetry are arranged on the base (301), the first screw rod (3011) and the first sliding assembly (3012) are horizontally arranged from front to back and are fixedly connected with a first base plate (3013), the platform deck supporting plate (302) is fixed on the base (301), and the product platform deck (304) is fixed above the platform deck supporting plate (302);

the camera structure (50) of examining mainly contains camera transmission subassembly (501), fixed bolster (502), camera (503), step motor (504), camera transmission subassembly (501) are fixed in on frame (20), fixed bolster (502) and camera transmission subassembly (501) sliding connection, camera (503) are connected with camera support (5031), and it and fixed bolster (502) sliding connection, the one end of keeping away from camera transmission subassembly (501) on camera support (5031) is equipped with step motor (504), the output of step motor (504) is equipped with gear drive subassembly (505), gear drive subassembly (505) and camera (503) are connected.

2. The AOI detection device for the mobile phone glass display screen according to claim 1, wherein: the crimping structure (303) comprises a second backing plate (3032), a first connecting plate (3033), a second connecting plate (3035), a third connecting plate (3036) and a pressing plate (3037), wherein a second sliding assembly (3031) horizontally arranged front and back is arranged below the second backing plate (3032) and fixed on the first backing plate (3013), the first connecting plate (3033) is fixed on the second backing plate (3032), a vertically arranged third sliding assembly (3034) is arranged on the first connecting plate (3033), the third sliding assembly (3034) is connected with the second connecting plate (3035), a third connecting plate (3036) is connected above the second connecting plate (3035), the third connecting plate (3036) is fixedly connected with the pressing plate (3037), and a crimping head (3038) is arranged at one end, far away from the third connecting plate (3036), of the pressing plate (3037).

3. The AOI detection device for the mobile phone glass display screen according to claim 1, wherein: the camera transmission assembly (501) comprises a fourth connecting plate (5011), a tow chain (5012) and a fourth sliding assembly (5013) which are fixedly connected are arranged on the fourth connecting plate (5011), the fourth connecting plate (5011) is fixedly connected with a fixed support (502), a fifth sliding assembly (5021) is arranged on the fixed support (502), a fifth connecting plate (5022) is connected onto the fifth sliding assembly (5021), a sixth connecting plate (5023) is perpendicularly arranged on the fifth connecting plate (5022), a sixth sliding assembly (5032) and a second lead screw (5033) which are arranged in parallel are arranged on the sixth connecting plate (5023), and the sixth sliding assembly and the second lead screw (5033) are fixedly connected with the camera support (5031).

4. The AOI detection device for the glass display screen of the mobile phone according to claim 1, 2 or 3, wherein: the first sliding assembly (3012), the second sliding assembly (3031), the third sliding assembly (3034), the fourth sliding assembly (5013), the fifth sliding assembly (5021) and the sixth sliding assembly (5032) are all composed of sliders and guide rails.

5. The AOI detection device for the mobile phone glass display screen according to claim 1, wherein: the side light module (40) is provided with a module supporting plate (401) below, the module supporting plate (401) is rotatably connected with a first connecting rod (402), two ends of the first connecting rod (402) are both slidably connected with a second connecting rod (403), the two second connecting rods (403) are both slidably connected with a third connecting rod (404), and the two third connecting rods (404) are fixed on the side surface of the carrying platform supporting plate (302).

6. The AOI detection device for the mobile phone glass display screen according to claim 1, wherein: the gear transmission assembly (505) comprises a first gear (5051), a second gear (5052) and a third gear (5053), the first gear (5051) is arranged at the output shaft end of the stepping motor (504), the second gear (5052) is in meshing connection with the first gear (5051) and the third gear (5053) and is arranged between the first gear and the third gear, a support bearing (5054) is arranged below the third gear (5053), and the third gear (5053) is fixed on the camera (503).

7. The AOI detection device for the mobile phone glass display screen according to claim 6, wherein: the first gear (5051) is a small gear, the third gear (5053) is a large gear, the diameter size of the third gear is more than five times of that of the small gear, the diameter size of the second gear (5052) is between that of the first gear (5051) and that of the third gear (5053), and the third gear (5053) is designed in a structure with teeth on half and smooth faces on half.

8. The AOI detection device for the mobile phone glass display screen according to claim 1, wherein: the product carrying platform (304) is provided with a connecting wire groove (3041), a product placing groove (3042) and a storage groove (3043), the connecting wire groove (3041) is arranged at the rear end of the product placing groove (3042) and communicated with the product placing groove, and the storage groove (3043) and the product placing groove (3042) are arranged side by side from left to right.