Circuit board AOI detection device

Abstract

The utility model discloses a circuit board AOI detection device which comprises a detection table, a top plate is installed on the upper surface of the detection table through a fixing column, and a control table is arranged on the upper surface of the top plate. When the circuit board conveying device is used, a circuit board is placed on the conveying belt, the conveying motor is started, the conveying wheels are driven to rotate, then the conveying belt is driven to convey the circuit board, then the circuit board is moved to the position between the positioning belt and the conveying belt, and under the action of the first gear and the second gear, the circuit board is pressed while being driven to move, so that the circuit board is fixed. The circuit board is moved to the position below the camera, the camera is used for scanning the circuit board, collected images are conveyed into the control console, then the AOI optical detection can be carried out, and after the AOI optical detection is completed, the circuit board gradually falls off from the conveying belt so that follow-up workers can conveniently collect the circuit board.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic component detection, in particular to an AOI detection device for a circuit board. Background Art

[0002] Electronic components are the basic elements in electronic circuits. Usually, they are individually packaged and have two or more leads or metal contacts. Electronic components must be connected to each other to form an electronic circuit with a specific function. One of the common ways to connect electronic components is to solder them to a printed circuit board. Electronic components may be individually packaged or various different complex groups.

[0003] The existing technology has the following problems:

[0004] The existing detection of electronic component circuit boards requires AOI optical detection, and the operations of feeding and outputting the circuit board are both realized through the in-out track structure, resulting in the need to spend time removing the circuit board after the detection is completed, greatly increasing the detection time of the circuit board and reducing the detection efficiency.

[0005] Therefore, we propose an AOI detection device for a circuit board to solve the above drawbacks. Content of the Utility Model

[0006] The purpose of the utility model is to solve the drawbacks in the existing technology that the operations of feeding and outputting the circuit board are both realized through the in-out track structure, resulting in the need to spend time removing the circuit board after the detection is completed, greatly increasing the detection time of the circuit board and reducing the detection efficiency, and to propose an AOI detection device for a circuit board.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0008] An AOI detection device for a circuit board, including a detection table. The upper surface of the detection table is provided with a top plate through a fixing column, and a control console is arranged on the upper surface of the top plate. The control console is connected to a camera through a wire, and the camera is installed on the lower surface of the top plate. A conveying table is arranged inside the detection table. A conveying motor is arranged on one side of the conveying table. The conveying motor is installed with a conveying wheel through a rotating shaft, and a conveyor belt is arranged on the surface of the conveying wheel. And a first gear is arranged on the surface of the rotating shaft. The first gear is meshed with a second gear. The second gear is installed with a positioning wheel through a rotating shaft, and a positioning belt is arranged on the surface of the positioning wheel.

[0009] Preferably, a bidirectional lead screw is arranged inside the detection table, and an adjusting motor is installed at the end of the bidirectional lead screw through a coupling. The bidirectional lead screw is in threaded connection with the conveying table, and a guiding block is arranged on the lower surface of the conveying table.

[0010] Preferably, a guide plate is arranged inside the inspection table, and the guide plate is integrally L-shaped.

[0011] Preferably, guide wheels are inlaid on the surface of the guide plate.

[0012] Preferably, the surface of the conveyor belt is concave on the side.

[0013] Preferably, foot pads are arranged on the lower surface of the inspection table.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows;

[0015] (1) In the present utility model, by setting an inspection table, a top plate, a control console, a camera, a conveying table, a conveying motor, conveying wheels, a conveyor belt, positioning wheels, a positioning belt, a first gear and a second gear, when in use, the circuit board is placed on the conveyor belt, the conveying motor is started to drive the conveying wheels to rotate, and then drive the conveyor belt to perform a conveying operation on the circuit board. Subsequently, the circuit board moves between the positioning belt and the conveyor belt. Under the action of the first gear and the second gear, while driving the circuit board to move, the circuit board is pressed to prevent the circuit board from loosening and affecting the AOI optical inspection. Then, the circuit board moves below the camera, and the camera is used to scan the circuit board, and the collected image is transmitted into the control console, so that the AOI optical inspection can be carried out. After the AOI optical inspection is completed, the circuit board gradually falls from the conveyor belt for subsequent staff to collect. The structure of the present utility model is simple and the operation is convenient. It can continuously perform AOI optical inspection on the circuit board, and there is no need to spend time removing the circuit board after the inspection is completed, which greatly improves the inspection efficiency of the circuit board.

[0016] (2) In the present utility model, by setting an adjusting motor and a bidirectional lead screw, the adjusting motor is started to drive the bidirectional lead screw to rotate, and the conveying table is driven to adjust the distance between the two conveyor belts, so as to perform AOI optical inspection on circuit boards of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required in the embodiments.

[0018] Figure 1 It is a schematic structural diagram of a circuit board AOI detection device proposed by the present utility model;

[0019] Figure 2 It is a schematic side view structure diagram of the conveying table of a circuit board AOI detection device proposed by the present utility model;

[0020] Figure 3Schematic diagram of the overall structure of the guide plate of a circuit board AOI detection device proposed by the present utility model.

[0021] Legend:

[0022] 1. Detection table; 2. Top plate; 3. Control console; 4. Conveyor table; 5. Bi-directional lead screw; 6. Conveyor motor; 7. Conveyor wheel; 8. Adjustment motor; 9. Conveyor belt; 10. Positioning wheel; 11. Positioning belt; 12. First gear; 13. Second gear; 14. Guide plate; 15. Guide wheel; 16. Foot pad; 17. Camera. Specific implementation mode

[0023] To make the purpose, technical solution and advantages of the present utility model clearer, the present utility model will be further described in detail below in conjunction with the specific implementation mode and with reference to the accompanying drawings. It should be understood that these descriptions are exemplary and are not intended to limit the scope of the present utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessarily confusing the concept of the present utility model.

[0024] Please refer to Figures 1 - 3 , a circuit board AOI detection device, including a detection table 1, the upper surface of the detection table 1 is installed with a top plate 2 through a fixed column, and the upper surface of the top plate 2 is provided with a control console 3. The control console 3 is connected to a camera 17 through a wire, and the camera 17 is installed on the lower surface of the top plate 2. A conveyor table 4 is arranged inside the detection table 1, a conveyor motor 6 is arranged on one side of the conveyor table 4, the conveyor motor 6 is installed with a conveyor wheel 7 through a rotating shaft, and a conveyor belt 9 is arranged on the surface of the conveyor wheel 7. And a first gear 12 is arranged on the surface of the rotating shaft. The first gear 12 and the second gear 13 are meshed and connected. The second gear 13 is installed with a positioning wheel 10 through a rotating shaft, and a positioning belt 11 is arranged on the surface of the positioning wheel 10.

[0025] In this implementation scheme: when in use, place the circuit board on the conveyor belt 9, start the conveyor motor 6 to drive the conveyor wheel 7 to rotate, and then drive the conveyor belt 9 to perform a conveying operation on the circuit board. Subsequently, the circuit board moves between the positioning belt 11 and the conveyor belt 9. Under the action of the first gear 12 and the second gear 13, while driving the circuit board to move, the circuit board is pressed tightly to prevent the circuit board from loosening and affecting the AOI optical detection. After that, the circuit board moves below the camera 17, and the camera 17 is used to scan the circuit board, and the collected image is transmitted into the control console 3, then the AOI optical detection can be carried out. After the AOI optical detection is completed, the circuit board gradually drops from the conveyor belt 9, so that subsequent staff can collect it. The structure of the present utility model is simple and the operation is convenient. It can continuously perform AOI optical detection on the circuit board, and there is no need to spend time removing the circuit board after the detection is completed, which greatly improves the detection efficiency of the circuit board.

[0026] Specifically, a bidirectional lead screw 5 is arranged inside the inspection table 1, and an adjustment motor 8 is installed at the end of the bidirectional lead screw 5 through a coupling. The bidirectional lead screw 5 is threadedly connected to the conveying table 4, and a guide block is arranged on the lower surface of the conveying table 4.

[0027] In this embodiment: By setting the adjustment motor 8 and the bidirectional lead screw 5, starting the adjustment motor 8 drives the bidirectional lead screw 5 to rotate, driving the conveying table 4 to adjust the distance between the two conveyor belts 9, so as to perform AOI optical inspection on circuit boards of different specifications.

[0028] Specifically, a guide plate 14 is arranged inside the inspection table 1, and the guide plate 14 is integrally L-shaped.

[0029] In this embodiment: It plays a guiding role for the circuit board, enabling the circuit board to move along the guide plate 14 and smoothly separate from the conveyor belt 9.

[0030] Specifically, guide wheels 15 are inlaid on the surface of the guide plate 14.

[0031] In this embodiment: By setting the guide wheels 15, the movement of the circuit board is smoother, reducing frictional damage to the circuit board.

[0032] Specifically, the surface of the conveyor belt 9 is concave on the side.

[0033] In this embodiment: It is convenient to align the circuit board.

[0034] Specifically, feet pads 16 are arranged on the lower surface of the inspection table 1.

[0035] In this embodiment: By setting the feet pads 16, it plays an auxiliary supporting role for the inspection table 1.

[0036] Working principle: When in use, place the circuit board on the conveyor belt 9, start the conveyor motor 6, drive the conveyor wheel 7 to rotate, and then drive the conveyor belt 9 to perform a conveying operation on the circuit board. Subsequently, the circuit board moves between the positioning belt 11 and the conveyor belt 9. Under the action of the first gear 12 and the second gear 13, while driving the circuit board to move, the circuit board is pressed tightly to prevent the circuit board from loosening and affecting the AOI optical detection. Then, the circuit board moves below the camera 17. The camera 17 is used to scan the circuit board, and the collected image is transmitted into the console 3, and then the AOI optical detection can be carried out. After the AOI optical detection is completed, the circuit board gradually falls off the conveyor belt 9 so that the subsequent staff can collect it. The structure of the utility model is simple and the operation is convenient. It can continuously perform AOI optical detection on the circuit board. After the detection is completed, there is no need to spend time removing the circuit board, which greatly improves the detection efficiency of the circuit board; by setting the adjustment motor 8 and the bidirectional lead screw 5, start the adjustment motor 8, drive the bidirectional lead screw 5 to rotate, drive the conveyor table 4, and adjust the distance between the two conveyor belts 9 so as to perform AOI optical detection on circuit boards of different specifications.

[0037] It should be understood that the above specific embodiments of the present invention are only used for exemplary illustration or explanation of the principle of the present invention, and do not constitute a limitation to the present invention. Therefore, any modifications, equivalent replacements, improvements, etc. made without departing from the spirit and scope of the present invention shall be included within the protection scope of the present invention. In addition, the appended claims of the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the appended claims, or equivalent forms of such scope and boundaries.

Claims

1. A circuit board AOI inspection device, comprising an inspection table (1), characterized in that: The upper surface of the detection platform (1) is mounted with a top plate (2) via a fixing column, and a control console (3) is arranged on the upper surface of the top plate (2), the control console (3) is connected with a camera (17) via a wire, and the camera (17) is mounted on the lower surface of the top plate (2), a conveying platform (4) is arranged inside the detection platform (1), a conveying motor (6) is arranged on one side of the conveying platform (4), a conveying wheel (7) is mounted on the conveying motor (6) via a rotating shaft, a conveying belt (9) is arranged on the surface of the conveying wheel (7), and a first gear (12) is arranged on the surface of the rotating shaft, the first gear (12) and a second gear (13) are meshed and connected, the second gear (13) is mounted with a positioning wheel (10) via a rotating shaft, and a positioning belt (11) is arranged on the surface of the positioning wheel (10).

2. A circuit board AOI detection device according to claim 1, characterized in that: A bidirectional screw rod (5) is arranged inside the detection platform (1), and an adjusting motor (8) is installed at the end of the bidirectional screw rod (5) through a coupling. The bidirectional screw rod (5) is threadedly connected to the conveying platform (4), and a guide block is arranged on the lower surface of the conveying platform (4).

3. The circuit board AOI detection device according to claim 1, characterized in that: A guide plate (14) is arranged inside the detection platform (1), and the guide plate (14) is L-shaped as a whole.

4. A circuit board AOI detection device according to claim 3, characterized in that: A guide wheel (15) is inlaid on the surface of the guide plate (14).

5. The circuit board AOI detection device according to claim 1, characterized in that: The surface of the conveyor belt (9) is in an undercut shape.

6. The circuit board AOI detection device according to claim 1, characterized in that: A foot pad (16) is provided on the lower surface of the detection platform (1).

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