AOI detection device for PCBA production

Abstract

The utility model discloses a printed circuit board assembly (PCBA) production AOI detection device, which comprises a detection machine body, a placing mechanism arranged above the detection machine body, fixing mechanisms arranged on two sides of the placing mechanism, a detection mechanism arranged above the detection machine body, and an auxiliary mechanism installed on the detection mechanism. The AOI detection device for PCBA production has the advantages that the AOI detection effect can be improved, the conveyed PCBA can be limited in an auxiliary mode, the PCBA deviation condition is reduced, meanwhile, the auxiliary mechanism is arranged on the detection mechanism, impurities or dust attached to the detection end of a detection part of the AOI detection device for PCBA production can be cleaned in an auxiliary mode, the definition of the AOI detection device for PCBA production during detection can be improved, and the detection efficiency is improved. The PCBA to be detected can be conveniently fixed through the fixing mechanism arranged on the placing mechanism, and the detection mechanism arranged on the detection machine body not only can be used for detecting the PCBA, but also can be used for auxiliary adjustment according to the PCBA condition.

Description

Technical Field

[0001] This utility model relates to the field of AOI inspection technology, specifically to an AOI inspection device for PCBA production. Background Technology

[0002] AOI (Automated Optical Inspection) in PCBA (Printed Circuit Board Assembly) production is a non-contact automated visual inspection technology used to inspect the quality of printed circuit board assembly. AOI inspection devices use high-resolution cameras and specific lighting systems to capture images of the PCBA surface and use image processing software to analyze these images to detect various defects, such as missing components, misaligned components, and poor solder joints.

[0003] However, the AOI inspection device for PCBA production can only place a limited number of PCBAs during inspection, resulting in low efficiency in placing and inspecting PCBAs. In addition, the inspection components of the AOI inspection device for PCBA production are prone to accumulating impurities or dust after prolonged use, which can affect the clarity of the inspection and the effectiveness of the AOI inspection device for PCBA production.

[0004] There are currently no effective solutions to the problems in the relevant technologies. Utility Model Content

[0005] In response to the problems in related technologies, this utility model proposes an AOI inspection device for PCBA production to overcome the aforementioned technical problems existing in the prior art.

[0006] Therefore, the specific technical solution adopted by this utility model is as follows:

[0007] PCBA manufactures AOI inspection equipment, including an inspection body, a placement mechanism on top of the inspection body, a placement frame on top of the inspection body, a conveyor installed on the inner wall of the placement frame, electric telescopic rods on both sides of the placement frame, a limiting plate at one end of the electric telescopic rods, and fixing mechanisms on both sides of the placement mechanism.

[0008] A testing mechanism is installed on the top of the testing body, and an auxiliary mechanism is installed on the testing mechanism. The auxiliary mechanism includes a transparent cover that is threaded to the surface of the testing mechanism. A fixing plate is fixedly connected to the surface of the testing mechanism. A motor is installed on the fixing plate. A cleaning brush is installed at one end of the motor. The cleaning end of the cleaning brush contacts the bottom of the transparent cover.

[0009] Furthermore, in order to better assist in fixing the PCBA under test, the fixing mechanism includes an electric telescopic rod two fixedly mounted on the placement frame. One end of the electric telescopic rod two is provided with a clamping plate, and a clamping groove is provided on one side of the clamping plate. A protective pad is provided on one side of the clamping groove and the limiting plate.

[0010] Furthermore, to better adjust and test according to the PCBA situation, the testing mechanism includes a shielding cover set on the top of the testing machine. Placement slots are opened on both sides of the shielding cover, and the placement frame is located on the inner wall of the placement slot. Electric guide rails are set on both sides of the inner wall of the shielding cover. Electric guide rails are set on electric guide rails via moving blocks. Testing seats are set on electric guide rails via moving blocks. Electric telescopic rods are set on the testing seats. A testing cylinder is installed at one end of the electric telescopic rods. The surface of the testing cylinder is connected to the transparent cover and the fixing plate. A high-definition CCD camera is installed on the inner wall of the testing cylinder. An installation slot is opened at one end of the testing cylinder, and an illumination ring is installed on the inner wall of the installation slot.

[0011] Furthermore, to facilitate subsequent maintenance by staff, a maintenance opening is provided on one side of the shield, and multiple maintenance doors are hinged to the inner wall of the maintenance opening.

[0012] Furthermore, to facilitate staff observation and inspection of the PCBA, a display port is provided on the side of the shield away from the maintenance door, and a display screen is installed on the inner wall of the display port.

[0013] Furthermore, a shielding frame is fixedly connected to one side of the shielding cover, the display screen is located on the inner wall of the shielding frame, shielding grooves are opened on both sides of the shielding frame, and shielding plates are installed on the inner wall of the shielding grooves.

[0014] Furthermore, multiple support plates are installed at the bottom of the testing machine body, with casters installed below the support plates, and support rods threadedly connected to the support plates.

[0015] The beneficial effects of this utility model are as follows:

[0016] (1) By setting up a placement mechanism on the inspection body, not only can multiple PCBAs be placed for transport, which is beneficial to improving the effect of AOI inspection, but also the transported PCBAs can be subject to auxiliary restrictions to reduce the deviation of PCBAs. At the same time, the auxiliary mechanism set up in the inspection mechanism is convenient for cleaning impurities or dust attached to the inspection end of the inspection component of the PCBA production AOI inspection device, which is beneficial to improving the clarity of the PCBA production AOI inspection device during inspection.

[0017] (2) By setting a fixing mechanism in the placement mechanism, it is easy to fix the PCBA to be tested, thereby improving the stability during testing. At the same time, the testing mechanism set in the testing machine can not only test the PCBA, but also make auxiliary adjustments according to the PCBA condition. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the PCBA production AOI inspection device according to an embodiment of the present utility model;

[0020] Figure 2 This is a side view of the AOI inspection device for PCBA production according to an embodiment of the present utility model;

[0021] Figure 3 This is a schematic diagram of the display screen, shielding frame, and shielding plate structure of the PCBA production AOI inspection device according to an embodiment of the present utility model;

[0022] Figure 4 This is a schematic diagram of the detection mechanism and the internal structure of the shielding cover of the PCBA production AOI inspection device according to an embodiment of the present utility model;

[0023] Figure 5 This is a schematic diagram of the placement and fixing mechanism of the PCBA production AOI inspection device according to an embodiment of the present utility model;

[0024] Figure 6 This is a schematic diagram of the detection mechanism of the PCBA production AOI inspection device according to an embodiment of the present utility model;

[0025] Figure 7 This is a schematic diagram of the detection mechanism and auxiliary mechanism of the PCBA production AOI inspection device according to an embodiment of the present utility model.

[0026] In the picture:

[0027] 1. Detection body; 2. Placement mechanism; 201. Placement frame; 202. Conveyor; 203. Electric telescopic rod one; 204. Limiting plate; 3. Fixing mechanism; 301. Electric telescopic rod two; 302. Clamping plate; 303. Protective pad; 4. Detection mechanism; 401. Shield; 402. Electric guide rail one; 403. Electric guide rail two; 404. Detection seat; 405. Electric telescopic rod three; 406. Detection cylinder; 407. High-definition CCD camera; 408. Illumination ring; 5. Auxiliary mechanism; 501. Transparent cover; 502. Fixing plate; 503. Motor; 504. Cleaning brush; 6. Maintenance door; 7. Display screen; 8. Shield frame; 9. Shield plate; 10. Support plate; 11. Moving wheels; 12. Support rod. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Example 1;

[0030] like Figures 1-7 As shown, the PCBA production AOI inspection device according to an embodiment of the present utility model includes an inspection body 1. A plurality of support plates 10 are arranged below the inspection body 1. The number of support plates 10 is four. The support plates 10 are equipped with moving wheels 11 for moving the PCBA production AOI inspection device. Support rods 12 are threadedly connected to the support plates 10. A placement mechanism 2 is arranged above the inspection body 1. The placement mechanism 2 includes a placement frame 201 arranged above the inspection body 1. A conveyor 202 is installed on the inner wall of the placement frame 201 for conveying and inspecting PCBA. The conveyor 202 consists of a conveyor belt, idlers, rollers, a drive device, a tensioning device, a braking device, a loading and unloading device, and a cleaning device, which are not described in detail or drawn. Electric telescopic rods 203 are arranged on both sides of the placement frame 201. A limiting plate 204 is provided at one end of the electric telescopic rod 203.

[0031] The placement mechanism 2 is provided with fixing mechanisms 3 on both sides. The fixing mechanism 3 includes an electric telescopic rod 301 fixedly installed on the placement frame 201. One end of the electric telescopic rod 301 is provided with a clamping plate 302. A clamping groove is provided on one side of the clamping plate 302. A protective pad 303 is provided on one side of the clamping groove and the limiting plate 204 to provide auxiliary protection for the PCBA under test.

[0032] Example 2;

[0033] like Figures 1-7 As shown, according to the PCBA production AOI inspection device of this utility model embodiment, an inspection mechanism 4 is provided above the inspection body 1. The inspection mechanism 4 includes a shield 401 provided above the inspection body 1. A maintenance port is provided on one side of the shield 401. Multiple maintenance doors 6 are hinged to the inner wall of the maintenance port. There are two maintenance doors 6. A display port is provided on the side of the shield 401 away from the maintenance doors 6. A display screen 7 is installed on the inner wall of the display port. A shielding frame 8 is fixedly connected to one side of the shield 401. The display screen 7 is located on the inner wall of the shielding frame 8. Shielding grooves are provided on both sides of the shielding frame 8. Shielding plates 9 are installed on the inner walls of the shielding grooves.

[0034] The shield 401 has placement slots on both sides, and the placement frame 201 is located on the inner wall of the placement slot. The inner wall of the shield 401 is provided with electric guide rail 1 402 on both sides. Electric guide rail 2 403 is provided on electric guide rail 1 402 via moving block 1. Detection seat 404 is provided on electric guide rail 2 403 via moving block 2. Electric telescopic rod 3 405 is provided on detection seat 404. Detection cylinder 406 is installed at one end of electric telescopic rod 3 405. High-definition CCD camera 407 is installed on the inner wall of detection cylinder 406. High-definition CCD camera 407 is existing technology and is used to detect PCBA. One end of detection cylinder 406 has a mounting slot. Illumination ring 408 is installed on the inner wall of the mounting slot for auxiliary lighting and to improve the clarity during detection.

[0035] An auxiliary mechanism 5 is installed on the detection mechanism 4. The auxiliary mechanism 5 includes a transparent cover 501 that is threaded to the surface of the detection mechanism 4. The inner wall of the transparent cover 501 is threaded to the surface of the detection cylinder 406. A fixing plate 502 is fixedly connected to the surface of the detection mechanism 4. One end of the fixing plate 502 is fixedly connected to the surface of the detection cylinder 406. A motor 503 is provided on the fixing plate 502. A cleaning brush 504 is provided at one end of the motor 503. The cleaning end of the cleaning brush 504 contacts the bottom of the transparent cover 501.

[0036] Motor 503, lighting ring 408, high-definition CCD camera 407, electric telescopic pole 3 405, electric guide rail 2 403, electric guide rail 1 402, display screen 7, electric telescopic pole 2 301, electric telescopic pole 1 203, and conveyor 202 are electrically connected to a controller during actual use. The controller, motor 503, lighting ring 408, high-definition CCD camera 407, electric telescopic pole 3 405, electric guide rail 2 403, electric guide rail 1 402, display screen 7, electric telescopic pole 2 301, electric telescopic pole 1 203, and conveyor 202 are electrically connected to an external power supply.

[0037] To facilitate understanding of the above-mentioned technical solutions of this utility model, the working principle or operation method of this utility model in actual process will be described in detail below.

[0038] In summary, using the above-mentioned technical solution of this utility model, the PCBA board to be tested is placed inside the placement frame 201 and mounted on the conveyor 202. Simultaneously, electric telescopic rods 203 on both sides of the placement frame 201 drive the movement of the limiting plate 204, which can limit the position of the PCBA board during transport, reduce offset, and ensure testing accuracy. Then, it is transported by the conveyor 202 to the fixing mechanism 3. At the fixing mechanism 3, the electric telescopic rods 301 on both sides of the placement frame 201 drive the clamping plate 302, and the contact surface of the clamping plate 302 is covered with a protective pad 303, which can effectively prevent damage to the PCBA board. Then, the electric guide rail 402 on the shield 401 drives the electric guide rail 403 to move. The electric guide rail 403 drives the detection seat 404, electric telescopic rod 405, detection cylinder 406, high-definition CCD camera 407, and lighting ring 408 to move, capturing high-definition images of the PCBA board and illuminating the detection area, thus achieving efficient and accurate detection. When cleaning is required, the motor 503, mounted on the fixing plate 502, drives the cleaning brush 504 to rotate. The cleaning brush 504 contacts the transparent cover 501, removing impurities or dust from the transparent cover 501 to ensure the clarity of the detection. The maintenance door 6 installed on the shield 401 facilitates the inspection and maintenance of the equipment by the staff. At the same time, a display port is provided on the other side of the shield 401, with a display screen 7 installed to display the detection results, allowing the staff to intuitively monitor the detection process and results. In addition, the display screen 7 is equipped with a shield frame 8 and a shield plate 9 to provide additional protection. After the equipment is positioned, the stability and level of the device can be ensured by adjusting the support rod 12, avoiding detection errors caused by uneven ground.

[0039] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An AOI inspection device for PCBA production, characterized in that, The device includes a detection body (1), a placement mechanism (2) is provided above the detection body (1), the placement mechanism (2) includes a placement frame (201) provided above the detection body (1), a conveyor (202) is installed on the inner wall of the placement frame (201), an electric telescopic rod (203) is provided on both sides of the placement frame (201), a limiting plate (204) is provided at one end of the electric telescopic rod (203), and a fixing mechanism (3) is provided on both sides of the placement mechanism (2). A detection mechanism (4) is provided above the detection body (1). An auxiliary mechanism (5) is installed on the detection mechanism (4). The auxiliary mechanism (5) includes a transparent cover (501) threaded to the surface of the detection mechanism (4). A fixing plate (502) is fixedly connected to the surface of the detection mechanism (4). A motor (503) is provided on the fixing plate (502). A cleaning brush (504) is provided at one end of the motor (503). The cleaning end of the cleaning brush (504) contacts the bottom of the transparent cover (501).

2. The PCBA production AOI inspection device according to claim 1, characterized in that, The fixing mechanism (3) includes an electric telescopic rod two (301) fixedly installed in the placement frame (201). One end of the electric telescopic rod two (301) is provided with a clamping plate (302). A clamping groove is provided on one side of the clamping plate (302). A protective pad (303) is provided on one side of the clamping groove and the limiting plate (204).

3. The PCBA production AOI inspection device according to claim 1, characterized in that, The detection mechanism (4) includes a shield (401) installed above the detection body (1). Placement slots are provided on both sides of the shield (401). The placement frame (201) is located on the inner wall of the placement slot. Electric guide rails (402) are installed on both sides of the inner wall of the shield (401). Electric guide rails (403) are installed on the electric guide rails (402) via a moving block. A detection seat (403) is installed on the electric guide rails (403) via a moving block. 4) The detection base (404) is provided with an electric telescopic rod three (405). One end of the electric telescopic rod three (405) is equipped with a detection cylinder (406). The surface of the detection cylinder (406) is connected to the transparent cover (501) and the fixing plate (502). A high-definition CCD camera (407) is installed on the inner wall of the detection cylinder (406). One end of the detection cylinder (406) is provided with an installation groove. An illumination ring (408) is installed on the inner wall of the installation groove.

4. The PCBA production AOI inspection device according to claim 3, characterized in that, A maintenance opening is provided on one side of the shield (401), and multiple maintenance doors (6) are hinged to the inner wall of the maintenance opening.

5. The PCBA production AOI inspection device according to claim 4, characterized in that, The shield (401) has a display port on the side away from the maintenance door (6), and a display screen (7) is installed on the inner wall of the display port.

6. The PCBA production AOI inspection device according to claim 5, characterized in that, A shielding frame (8) is fixedly connected to one side of the shielding cover (401), the display screen (7) is located on the inner wall of the shielding frame (8), shielding grooves are provided on both sides of the shielding frame (8), and shielding plates (9) are installed on the inner wall of the shielding grooves.

7. The PCBA production AOI inspection device according to claim 1, characterized in that, Multiple support plates (10) are provided below the detection body (1), and movable wheels (11) are installed below the support plates (10). Support rods (12) are threadedly connected to the support plates (10).

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