CN216118287U

CN216118287U - Carousel formula LCM module picture AOI check out test set

Info

Publication number: CN216118287U
Application number: CN202122660429.1U
Authority: CN
Inventors: 王涛; 陈亚峰
Original assignee: Suzhou Jiazhicai Optoelectronics Technology Co ltd
Current assignee: Suzhou Jiazhicai Optoelectronics Technology Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-03-22
Anticipated expiration: 2031-11-02

Abstract

The utility model relates to a rotary disc type LCM module picture AOI detection device, which comprises a rotary disc mechanism, a rotary disc mechanism and a rotary disc mechanism, wherein the rotary disc mechanism can rotate around the circle center of the rotary disc mechanism; a plurality of test jigs are arranged on the turntable mechanism, and the test jigs are loaded with products; the test fixture comprises a bottom plate, wherein a group of mutually parallel slide rails are arranged on the bottom plate, a first limiting slide assembly is arranged on each slide rail, a slide groove is formed in the bottom plate, a second limiting slide assembly is arranged in each slide groove, and the first limiting slide assembly and the second limiting slide assembly clamp the carrier platform; the carrying platform is used for placing a product; one side of the bottom plate is provided with a wiring harness clamp assembly, and the wiring harness clamp assembly can move along the length direction of the bottom plate; the blanking mechanism can move up and down and left and right to blank the tested products in the test fixture; and the plurality of AOI detection stations are used for carrying out AOI detection on the test fixture. The utility model is used for optically photographing the screen body in the lighting state and acquiring information such as coordinates, gray scale and the like through software algorithm processing.

Description

Carousel formula LCM module picture AOI check out test set

Technical Field

The utility model relates to the technical field of automatic detection devices for AOI (automated optical inspection) of display screens, in particular to rotary disc type LCM (liquid crystal module) picture AOI detection equipment.

Background

LCM (LCD module), namely LCD display module and liquid crystal module, refers to a component for assembling liquid crystal display devices, connecting pieces, peripheral circuits such as control and drive circuits, PCB circuit boards, backlight sources, structural parts and the like together

In order to improve the efficiency and accuracy of detection, the AOI technique, that is, automatic optical detection, is basically used to extract each pixel or sub-pixel image of the panel by using optical characteristics and perform image analysis, thereby detecting whether each pixel or sub-pixel has a defect. On the whole panel production line, there are many kinds of AOI equipment, including manual loading and unloading, special detection of display screen image quality defects, special detection of appearance defects, and the like.

Various point, line, color mixing and Mura defects appear in the production process of the display panel, and how to detect and distinguish the defects in the production at low cost is a technical subject which needs to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model discloses rotary disc type LCM image AOI detection equipment.

The technical scheme adopted by the utility model is as follows:

a rotary disc type LCM module picture AOI detection device comprises

The turntable mechanism can rotate around the circle center of the turntable mechanism; a plurality of test jigs are arranged on the turntable mechanism, and the test jigs are loaded with products;

the test fixture comprises a bottom plate, a group of mutually parallel slide rails is arranged on the bottom plate, a first limiting slide assembly is arranged on each slide rail, a slide groove is formed in the bottom plate, a second limiting slide assembly is arranged in each slide groove, and the first limiting slide assembly and the second limiting slide assembly clamp a carrier platform; the carrying platform is used for placing a product; a wiring harness clamp assembly is arranged on one side of the bottom plate and can move along the length direction of the bottom plate;

the blanking mechanism can move up and down and left and right to blank the tested products in the test fixture;

and the plurality of AOI detection stations are used for carrying out AOI detection on the test fixture.

The method is further technically characterized in that: the turntable mechanism comprises a platform, the center of the platform penetrates through a rotating shaft, and the rotating shaft is connected with an output shaft of the servo motor; four test fixtures are installed on the platform, an included angle is arranged between every two adjacent test fixtures, and the included angle degree is 90 degrees.

The method is further technically characterized in that: the blanking mechanism comprises a Z-axis linear motion module, an X-axis linear motion module and a sucker module, wherein the X-axis linear motion module and the Z-axis linear motion module are connected in a cross manner, and the X-axis linear motion module is connected with the sucker module.

The method is further technically characterized in that: the AOI detection stations are two groups and are respectively a first Z-axis camera mechanism and a second Z-axis camera mechanism, an included angle is formed between the first Z-axis camera mechanism and the second Z-axis camera mechanism, and the included angle degree is 90 degrees.

The method is further technically characterized in that: the first Z-axis camera mechanism comprises a first main camera with adjustable height, a first side camera and a second side camera with the same adjustable installation height and angle are respectively arranged on the left side and the right side of the first main camera, and a first auxiliary camera with the same adjustable installation height and angle is arranged on one side of the first main camera.

The method is further technically characterized in that: the second Z-axis camera mechanism comprises a second main camera with adjustable height, and a second auxiliary camera with adjustable side mounting height and angle of the second main camera.

The method is further technically characterized in that: the wire harness clamp assembly comprises a wire clamping block, a wire harness fixing joint, a wire harness clamping seat and a sliding table cylinder; the wire harness clamping block is arranged on the wire harness clamping seat, and the wire harness clamping block is clamped by the wire harness fixing section; and the shell of the sliding table cylinder is arranged on a second sliding rail, and the second sliding rail is fixed on the back surface of the bottom plate.

The method is further technically characterized in that: three groups of side light sources are arranged along the circumferential direction of the bottom plate.

The method is further technically characterized in that: and length marks are carved along the length direction of the sliding chute.

The method is further technically characterized in that: still include the frame, carousel mechanism the unloading mechanism with AOI detects the station and all installs in on the frame.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

1. the utility model is used for optically photographing the screen body in the lighting state and acquiring information such as coordinates, gray scale and the like through software algorithm processing.

2. The test fixture is suitable for products with 7-17.3 inches, and meets the detection requirements of variety change and rapid delivery of products of customers.

3. The utility model has simple structure, continuous whole process, convenient use and high detection efficiency.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference will now be made in detail to the present disclosure, examples of which are illustrated in the accompanying drawings.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is a schematic structural view of the blanking mechanism.

Fig. 5 is a schematic structural view of a first Z-axis camera mechanism.

Fig. 6 is a front view of the first Z-axis camera mechanism.

Fig. 7 is a schematic structural view of a second Z-axis camera mechanism.

Fig. 8 is a schematic structural view of the turntable mechanism.

Fig. 9 is a front view of the dial mechanism.

Fig. 10 is a schematic structural diagram of a first viewing angle of the test fixture.

Fig. 11 is a structural diagram of a second view angle of the test fixture.

Fig. 12 is a top view of the test fixture.

Fig. 13 is a structural schematic diagram of the wire harness holder.

The specification reference numbers indicate: 1. a blanking mechanism; 101. a Z-axis linear motion module; 102. an X-axis linear motion module; 103. a suction cup module; 2. a first Z-axis camera mechanism; 201. a first main camera; 202. a first secondary camera; 203. a first side camera; 204. a second side camera; 3. a second Z-axis camera mechanism; 301. a second main camera; 302. a second secondary camera; 4. a turntable mechanism; 401. a rotating shaft; 402. a platform; 5. testing the jig; 501. a stage; 502. a first limit sliding assembly; 503. a slide rail; 504. a second limiting sliding assembly; 505. a chute; 506. a wire harness clip assembly; 5061. a wire clamping block; 5062. a wire harness fixing section; 5063. a wire harness clamping seat; 5064. a sliding table cylinder; 5065. a second slide rail; 507. a base plate.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings. Directional terms as referred to in the following examples, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Therefore, the directional terminology used is for the purpose of describing, but not limiting, the utility model, and moreover, like reference numerals designate like elements throughout the embodiments.

Referring to FIGS. 1 to 3, a rotary disc type LCM module picture AOI detection device comprises

The turntable mechanism 4 can rotate around the circle center. A plurality of test fixtures 5 are installed on the turntable mechanism 4, and the test fixtures 5 load products.

The test fixture 5 comprises a bottom plate 507, and three groups of side light sources are arranged along the circumferential direction of the bottom plate 507. A set of parallel slide rails 503 is disposed on the bottom plate 507, a first limit sliding assembly 502 is mounted on the slide rails 503, a slide groove 505 is formed in the bottom plate 507, a second limit sliding assembly 504 is mounted in the slide groove 505, and the carrier 501 is clamped by the first limit sliding assembly 502 and the second limit sliding assembly 504. The carrier 501 is used for placing a product. The harness clip assembly 506 is installed at one side of the base plate 507, and the harness clip assembly 506 is movable along the length direction of the base plate 507.

The blanking mechanism 1 can move up and down and left and right to blank the tested products in the test fixture 5.

And the plurality of AOI detection stations are used for carrying out AOI detection on the test fixture 5.

Referring to fig. 8 and 9, in this embodiment, the turntable mechanism 4 includes a platform 402, a rotating shaft 401 passes through the center of the platform 402, and the rotating shaft 401 is connected to an output shaft of a servo motor, which can drive the rotating shaft 401 to rotate. Four test fixtures 5 are installed on the platform 402, and an included angle is formed between two adjacent test fixtures 5, and the included angle degree is 90 degrees. For convenience of description, the four test jigs 5 are a first test station, a second test station, a third test station and a fourth test station, respectively.

There are two sets of AOI detection station, be first Z axle camera mechanism 2 and second Z axle camera mechanism 3 respectively, are equipped with the contained angle between first Z axle camera mechanism 2 and the second Z axle camera mechanism 3, and the contained angle degree is 90.

As shown in fig. 4, the blanking mechanism 1 includes a Z-axis linear motion module 101, an X-axis linear motion module 102, and a suction cup module 103, wherein the X-axis linear motion module 102 and the Z-axis linear motion module 101 are connected in a cross manner, and the X-axis linear motion module 102 is connected to the suction cup module 103. In this embodiment, the Z-axis linear motion module 101 and the X-axis linear motion module 102 are commercially available belt orthogonal robot mobile power assisted robots of type XYHB 740-F.

With reference to fig. 5 and 6, the first Z-axis camera mechanism 2 includes a first main camera 201 with adjustable height, a first side camera 203 and a second side camera 204 with adjustable height and angle respectively installed at the left and right sides of the first main camera 201, and a first auxiliary camera 202 with adjustable height and angle installed at one side of the first main camera 201. Specifically, first main camera 201 is installed on first connecting seat, a first pin joint seat of one side-mounting of first connecting seat, and first connecting seat can slide on first guide rail, one side of first pin joint seat first guide rail of laminating, a first deflector of one side-mounting of first guide rail, set up a plurality of first spacing holes along the length direction of first deflector, first rotatory plunger can pass the first spacing hole of first pin joint seat and first deflector in proper order, operating personnel can shoot the required height according to the camera, select arbitrary one first spacing hole. The first subsidiary camera 202 and the first main camera 201 are both mounted on the first connection plate, the first subsidiary camera 202 and the first main camera 201 are raised or lowered in synchronization, and the first subsidiary camera 202 is mounted on the first rotary base. Similarly, first side camera 203 and second side camera 204 install respectively on the second roating seat, and the second roating seat is installed on the second connecting seat, the second pin joint seat is installed to one side of second connecting seat, and the second connecting seat can slide on the second guide rail, one side of second pin joint seat laminating second guide rail, a side-mounting second deflector of second guide rail, set up the spacing hole of a plurality of seconds along the length direction of second deflector, the spacing hole of second pin joint seat and second deflector can be passed in proper order to the rotatory plunger of the second, operating personnel can select the spacing hole of arbitrary one second according to the height that the camera needs of shooing.

As shown in fig. 7, the second Z-axis camera mechanism 3 includes a second main camera 301 whose height is adjustable, and a second sub camera 302 whose height and angle are adjustable is installed at one side of the second main camera 301. Specifically, second main camera 301 installs on the third connecting seat, the third pin joint seat is installed to one side of third connecting seat, and the third connecting seat can slide on the third guide rail, the third pin joint seat laminates one side of third guide rail, a side-mounting third deflector of third guide rail, set up the spacing hole of a plurality of third along the length direction of third deflector, the third rotatory plunger can pass the spacing hole of third pin joint seat and third deflector in proper order, operating personnel can shoot required height according to the camera, select the spacing hole of arbitrary one third. The second subsidiary camera 302 and the second main camera 301 are both mounted on the second connection plate, the second subsidiary camera 302 and the second main camera 301 are raised or lowered in synchronization, and the second subsidiary camera 302 is mounted on the third rotary base.

The first secondary camera 202 and the second secondary camera 302 are both color cameras.

With reference to fig. 10 to 12, a length mark is marked along the longitudinal direction of the chute 505. In the embodiment, the length values are 22 cm-0 cm and 0 cm-22 cm, and the method is suitable for products with the sizes of 7 inches-17.3 inches.

Referring to fig. 11 and 13, the harness clip assembly 506 includes a clip block 5061, a harness fixing link 5062, a harness clip seat 5063, and a slide cylinder 5064. A wire harness clamping seat 5063 is connected to a sliding table of the sliding table cylinder 5064, a wire harness fixing joint 5062 is installed on the wire harness clamping seat 5063, and the wire harness fixing joint 5062 clamps the wire clamping block 5061. The housing of the slide cylinder 5064 is attached to the second slide rail 5065, and the second slide rail 5065 is fixed to the back surface of the bottom plate 507. The wire harness fixing section 5062 can move along the second sliding rail to be adjusted according to the size of the screen body to be measured.

Still include frame 6, carousel mechanism 4, unloading mechanism 1 and AOI detect the station and all install on frame 6.

The detection steps of the utility model are as follows:

step S1: an operator manually takes a material, manually places a screen body to be detected on the microscope stage 501 of the first detection station, and adjusts the first limit sliding assembly 502 and the second limit sliding assembly 504 according to the size of the screen body to be detected, so as to clamp the microscope stage 501;

step S2: an operator inserts a wire manually, the wire harness passes through the wire clamping block 5061, and a screen is lightened through a Pattern Generator (PG);

step S3: the turntable mechanism 4 rotates 90 degrees, the first detection station is rotated to the original second detection station, AOI detection is carried out through the second Z-axis camera mechanism 3, meanwhile, an operator manually takes materials, and manually places the screen body to be detected on the carrying platform 501 of the fourth detection station;

step S4: the turntable mechanism 4 rotates by 90 degrees, the first detection station is rotated to the original third detection station, and AOI detection is carried out through the first Z-axis camera mechanism 2; meanwhile, an operator manually takes materials, and manually places the screen body to be detected on the carrying platform 501 of the third detection station;

step S5: the turntable mechanism 4 rotates by 90 degrees, the first detection station is rotated to the original fourth detection station, the piston rod of the sliding table cylinder 5064 pushes the wire harness fixing section 5062 to be pulled out, and the screen is closed through the Pattern Generator (PG).

Step S6: the Z-axis linear motion module 101 ascends or descends, the X-axis linear motion module 102 translates left and right, and the detected screen body is vacuumized by the sucker module 103 to absorb and take materials or vacuum-broken by the sucker module 103 to discharge materials; meanwhile, an operator manually takes materials, and manually places the screen body to be detected on the carrying platform 501 of the second detection station, so that each detection station is guaranteed to have the screen body to be detected.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the utility model may be made without departing from the spirit or scope of the utility model.

Claims

1. The utility model provides a carousel formula LCM module picture AOI check out test set which characterized in that: comprises that

The turntable mechanism (4) can rotate around the circle center; a plurality of test jigs (5) are arranged on the turntable mechanism (4), and the test jigs (5) are loaded with products;

the test fixture (5) comprises a bottom plate (507), a group of mutually parallel slide rails (503) are arranged on the bottom plate (507), a first limiting slide assembly (502) is arranged on the slide rails (503), a slide groove (505) is formed in the bottom plate (507), a second limiting slide assembly (504) is arranged in the slide groove (505), and the first limiting slide assembly (502) and the second limiting slide assembly (504) clamp the carrier (501); the carrier (501) is used for placing a product; a wiring harness clip assembly (506) is installed on one side of the bottom plate (507), and the wiring harness clip assembly (506) can move along the length direction of the bottom plate (507);

the blanking mechanism (1) can move up and down, left and right and is used for blanking the tested product in the test fixture (5);

and the plurality of AOI detection stations are used for carrying out AOI detection on the test fixture (5).

2. The rotating disc type LCM module picture AOI detection device as claimed in claim 1, wherein: the turntable mechanism (4) comprises a platform (402), the center of the platform (402) penetrates through a rotating shaft (401), and the rotating shaft (401) is connected with an output shaft of a servo motor; four test fixtures (5) are arranged on the platform (402), an included angle is formed between every two adjacent test fixtures (5), and the included angle degree is 90 degrees.

3. The rotating disc type LCM module picture AOI detection device as claimed in claim 1, wherein: unloading mechanism (1) includes Z axle linear motion module (101), X axle linear motion module (102) and sucking disc module (103), X axle linear motion module (102) with Z axle linear motion module (101) are the cross and link to each other, X axle linear motion module (102) are connected sucking disc module (103).

4. The rotating disc type LCM module picture AOI detection device as claimed in claim 1, wherein: AOI detection station has two sets ofly, is first Z axle camera mechanism (2) and second Z axle camera mechanism (3) respectively, first Z axle camera mechanism (2) with be equipped with the contained angle between second Z axle camera mechanism (3), the contained angle number of degrees is 90.

5. The rotating disc type LCM module picture AOI detection equipment as claimed in claim 4, wherein: the first Z-axis camera mechanism (2) comprises a first main camera (201) with adjustable height, a first side camera (203) and a second side camera (204) with adjustable installation height and angle are respectively arranged at the left side and the right side of the first main camera (201), and a first auxiliary camera (202) with adjustable installation height and angle is arranged at one side of the first main camera (201).

6. The rotating disc type LCM module picture AOI detection equipment as claimed in claim 4, wherein: the second Z-axis camera mechanism (3) comprises a second main camera (301) with adjustable height, and a second auxiliary camera (302) with adjustable side installation height and angle of the second main camera (301).

7. The rotating disc type LCM module picture AOI detection device as claimed in claim 1, wherein: the wire harness clamp assembly (506) comprises a wire clamp block (5061), a wire harness fixing joint (5062), a wire harness clamping seat (5063) and a sliding table cylinder (5064); the sliding table of the sliding table cylinder (5064) is connected with the wiring harness clamping seat (5063), a wiring harness fixing joint (5062) is installed on the wiring harness clamping seat (5063), and the wiring harness fixing joint (5062) clamps the wire clamping block (5061); and the shell of the sliding table cylinder (5064) is arranged on a second sliding rail (5065), and the second sliding rail (5065) is fixed on the back surface of the bottom plate (507).

8. The rotating disc type LCM module picture AOI detection device as claimed in claim 1, wherein: three groups of side light sources are arranged along the circumferential direction of the bottom plate (507).

9. The rotating disc type LCM module picture AOI detection device as claimed in claim 1, wherein: length marks are carved along the length direction of the sliding chute (505).

10. The rotating disc type LCM module picture AOI detection device as claimed in claim 1, wherein: still include frame (6), carousel mechanism (4) unloading mechanism (1) with AOI detects the station and all install in on frame (6).