A line board AOI maintenance special classification temporary storage cart

Abstract

This utility model discloses a special classification and temporary storage trolley for AOI inspection of circuit boards, belonging to the technical field of auxiliary equipment for circuit board production. The key technical points include a movable support structure. This application sets up a classification and temporary storage component, in which a defective product temporary storage area is formed by welding a left inclined plate, a first inner inclined plate and a left side plate, and a good product temporary storage area is formed by welding a right inclined plate, a second inner inclined plate and a right side plate. This achieves independent partitioning of defective and good products. At the same time, with the help of NG board baffles and OK board baffles, the circuit boards in the two areas are side-shielded to prevent them from falling off the side due to over-placement. This solves the problem of mixed placement caused by the lack of classification function in ordinary trolleys and prevents misjudgment and missed inspection. In addition, the combination structure of the left inclined plate and the first inner inclined plate and the combination structure of the right inclined plate and the second inner inclined plate are both in an inward tilted state. This tilting design can form a natural limit for the defective circuit boards placed on the first inner inclined plate and the good circuit boards placed on the second inner inclined plate.

Description

Technical Field

[0001] This utility model relates to the technical field of auxiliary equipment for circuit board production, and in particular to a special classification and temporary storage trolley for circuit board AOI maintenance. Background Technology

[0002] In the circuit board production process, after the AOI inspection process is completed, the circuit boards need to be temporarily stored. Then, the staff will repair or sort the inspected circuit boards (distinguishing between good and bad products) and finally transfer them to the next production stage.

[0003] Currently, most tools used in the industry for temporarily storing circuit boards during AOI (Automated Optical Inspection) repair processes are conventional trolleys. These trolleys were originally designed only to meet the basic handling needs of semi-finished PCBs and lack specific design for AOI repair storage scenarios. They can only fulfill the function of storing circuit boards and have obvious limitations in actual use: ordinary trolleys only have one open storage area and lack classification capabilities, making it impossible to separate good and defective circuit boards after AOI inspection. This not only leads to repeated searching for products during operation but also results in poor operational convenience. Increasing workload and easily causing confusion between good and defective products can lead to misjudgment or missed inspections. At the same time, the lack of zoning requires frequent handling of circuit boards to distinguish categories, increasing the risk of quality problems such as scratches on circuit boards and significantly increasing the defect rate. In addition, these trolleys can only achieve the basic function of "single storage", which is limited in function and has poor adaptability. They cannot meet the core requirements of "distinguishing categories during temporary storage, protecting products during retrieval and placement, and saving physical effort during operation" in the AOI inspection process. They are not compatible with the special operation characteristics of the AOI inspection station and make it difficult to improve process efficiency.

[0004] To address this, a special classification and temporary storage trolley for AOI (Automated Optical Inspection) of circuit boards is proposed. Utility Model Content

[0005] The purpose of this utility model is to provide a special classification and temporary storage trolley for AOI (Automated Optical Inspection) of printed circuit boards (PCBs). This addresses the problem that existing tools used in the industry for temporarily storing PCBs during AOI inspection are mostly conventional trolleys. These trolleys are designed only to meet basic handling needs of semi-finished PCBs and lack specific design for AOI inspection storage. They simply store PCBs, which has significant limitations in practical use: ordinary trolleys only have one open storage area and lack classification functionality, making it impossible to separate good and defective PCBs after AOI inspection. This not only hinders the proper handling of PCBs during operation... The need for repeated searching of products and poor operational convenience increase workload and easily lead to confusion between good and defective products, resulting in misjudgment or missed inspection. At the same time, the lack of zoning requires frequent handling of circuit boards to distinguish categories, increasing the risk of quality problems such as circuit board scratches and significantly increasing the defect rate. In addition, these trolleys can only achieve the basic function of "single storage", which is limited in function and poor in adaptability. They cannot meet the core requirements of "distinguishing categories during temporary storage, protecting products during retrieval and placement, and saving physical effort during operation" in the AOI inspection process. They are not compatible with the special operation characteristics of the AOI inspection station and make it difficult to improve process efficiency.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a special classification and temporary storage trolley for AOI maintenance of circuit boards, including a movable support structure, wherein a classification and temporary storage component is provided on the top of the movable support structure; The classification temporary storage component includes a left inclined plate and a right inclined plate, which are respectively welded to the two sides of the top center of the movable support structure. A left side plate is welded to the left side of the top of the movable support structure. A first inner inclined plate is welded to the bottom between the left side plate and the left inclined plate. An NG plate baffle is welded to the rear side of the left side plate and the left inclined plate. The NG plate baffle is located behind the first inner inclined plate. The first inner inclined plate is located on the left side of the top of the movable support structure. A right side plate is welded to the right side of the top of the movable support structure. A second inner inclined plate is welded to the bottom between the right side plate and the right inclined plate. An OK plate baffle is welded to the rear side of the right side plate and the right inclined plate. The OK plate baffle is located behind the second inner inclined plate.

[0007] Preferably, the movable support structure includes a support frame, and directional wheels are welded to the front and rear sides of the bottom right side of the support frame.

[0008] Preferably, steering wheels are welded to both the front and rear sides of the bottom left side of the support frame, and the steering wheels have a self-locking function.

[0009] Preferably, concave frames are welded to the front and rear sides of the top of the support frame, and the top of the concave frames is welded to the bottom of the left inclined plate, the right inclined plate, the left side plate and the right side plate respectively.

[0010] Preferably, reinforcing rods are welded to both sides of the inner side of the adjacent support frame, with the top of the left reinforcing rod welded to the bottom of the left plate and the top of the right reinforcing rod welded to the bottom of the right plate.

[0011] Preferably, a vertical rod is welded to the top side inside the support frame, and the bottom of the vertical rod is welded to the top of the support frame.

[0012] Preferably, side support rods are welded to both sides of the upright, and the bottom of the side support rods is welded to the top of the support frame.

[0013] Preferably, a push-pull handle is welded to the top left side of the left side panel, and the front and rear sides of the bottom of the push-pull handle are both arc-shaped.

[0014] Preferably, an NG board label is adhered to the top of the left side panel, and the NG board label is marked in pink.

[0015] Preferably, an OK board label is affixed to the top of the right side panel, and the OK board label is marked in yellow.

[0016] Compared with the prior art, the beneficial effects of this utility model are: 1. This application establishes a classification and temporary storage component. A defective product temporary storage area is formed by welding a left inclined plate, a first inner inclined plate, and a left side plate; a good product temporary storage area is formed by welding a right inclined plate, a second inner inclined plate, and a right side plate. This achieves independent partitioning of defective and good products. Simultaneously, NG board baffles and OK board baffles provide side protection for the circuit boards in both areas, preventing them from falling off due to overloading. This solves the problem of mixed placement caused by the lack of classification function in ordinary trolleys, preventing misjudgment and missed inspections. Furthermore, the combined structure of the left inclined plate and the first inner inclined plate, and the right inclined plate and the second inner inclined plate... The board assembly structure is all tilted inward. This tilting design can naturally limit the defective circuit boards placed on the first inner inclined plate and the good circuit boards placed on the second inner inclined plate, preventing the circuit boards from shifting during temporary storage. There is no need to repeatedly flip or adjust the position of the circuit boards when picking them up and putting them down. It also reduces the frequent handling caused by classification requirements, thereby reducing the risk of edge bumps and surface scratches on the circuit boards. It not only meets the core requirements of "temporary storage to distinguish categories and protection of products" in the AOI inspection process, but also further improves the ease of operation. 2. This application, by setting up a mobile support structure, provides stable support for the classified temporary storage components and enables overall mobile transfer, precisely adapting to the operating scenarios of AOI maintenance stations. This design solves the problems of ordinary trolleys having limited functionality and poor adaptability, allowing for efficient connection between the temporary storage and transfer of circuit boards, effectively improving process efficiency. Attached Figure Description

[0017] Figure 1This is an overall structural diagram of the circuit board AOI inspection and temporary storage trolley of this utility model. Figure 2 This is a schematic diagram of the mobile support structure and classification temporary storage component of this utility model; Figure 3 This is a structural diagram of the mobile support structure of this utility model; Figure 4 This is a structural diagram of the classification and temporary storage component of this utility model; Figure 5 This is a structural diagram of the support frame of this utility model.

[0018] In the diagram, 1. Movable support structure; 101. Support frame; 102. Directional wheel; 103. Steering wheel; 104. Concave frame; 2. Classification and temporary storage assembly; 201. Left inclined plate; 202. Right inclined plate; 203. Left side plate; 204. First inner inclined plate; 205. NG plate baffle; 206. Right side plate; 207. Second inner inclined plate; 208. OK plate baffle; 3. Reinforcing rod; 4. Upright pole; 5. Side support rod; 6. Push-pull handle; 7. NG plate label; 8. OK plate label. Detailed Implementation

[0019] 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.

[0020] Please see Figure 1-5 The present invention provides the following technical solution: A special sorting and temporary storage trolley for AOI maintenance of circuit boards includes a movable support structure 1, and a sorting and temporary storage component 2 is provided on the top of the movable support structure 1. The classification and temporary storage component 2 includes a left inclined plate 201 and a right inclined plate 202. The left inclined plate 201 and the right inclined plate 202 are respectively welded to the two sides of the top center of the movable support structure 1. A left plate 203 is welded to the left side of the top of the movable support structure 1. A first inner inclined plate 204 is welded to the bottom between the left plate 203 and the left inclined plate 201. An NG plate baffle 205 is welded to the rear side of the left plate 203 and the left inclined plate 201. The NG plate baffle 205 is located behind the first inner inclined plate 204. The first inner inclined plate 204 is located on the left side of the top of the movable support structure 1. A right plate 206 is welded to the right side of the top of the movable support structure 1. A second inner inclined plate 207 is welded to the bottom between the right plate 206 and the right inclined plate 202. An OK plate baffle 208 is welded to the rear side of the right plate 206 and the right inclined plate 202. The OK plate baffle 208 is located behind the second inner inclined plate 207.

[0021] In this embodiment: by setting a movable support structure 1 and a classification temporary storage component 2, the movable support structure 1 provides a stable foundation for the overall device, and its top supports the classification temporary storage component 2, ensuring that the structure does not shake during the temporary storage process. After AOI inspection is completed, the operator can place the defective circuit board into the area enclosed by the left inclined plate 201, the first inner inclined plate 204, and the left side plate 203. The left inclined plate 201 and the first inner inclined plate 204 are both inclined inward, which can form a natural limit on the defective circuit board placed on the first inner inclined plate 204 to prevent it from shifting during temporary storage. At the same time, the NG board baffle 205 on the back of the left side plate 203 and the left inclined plate 201 can block from the side to prevent defective products from falling over. Good circuit boards are placed into the area enclosed by the right inclined plate 202, the second inner inclined plate 207, and the right side plate 206. Similarly, the right inclined plate 202 is placed into the area enclosed by the right inclined plate 202, the second inner inclined plate 207, and the right side plate 206. The inward tilting design of 202 and the second inner inclined plate 207 limits the good circuit boards. The OK plate baffle 208 on the right side plate 206 and the right inclined plate 202 prevents the good products from sliding off the side, realizing the physical independent partitioning of defective and good products. This completely solves the problem of mixed placement of ordinary trolleys, eliminating the need for subsequent sorting and avoiding misjudgment and missed inspection. When picking up and placing circuit boards, due to the natural limiting of the tilting structure, the staff can directly pull them from the front of the inclined plate without repeatedly flipping or adjusting the position of the circuit boards. This reduces the frequent handling caused by classification requirements and reduces the risk of edge bumps and surface scratches of the circuit boards. It meets the core requirements of "temporary storage to distinguish categories and handling to protect products". When transfer is required, the movable support structure 1 can drive the entire device to move flexibly, accurately adapting to the connection scenario between the AOI maintenance station and the next process, allowing the temporary storage and transfer links to be connected efficiently and effectively improving process efficiency.

[0022] Specifically, such as Figure 3 As shown, the movable support structure 1 includes a support frame 101, and directional wheels 102 are welded to the front and rear sides of the bottom right side of the support frame 101.

[0023] Specifically, such as Figure 3 As shown, steering wheels 103 are welded to the front and rear sides of the bottom left side of the support frame 101, and the steering wheels 103 have a self-locking function.

[0024] Specifically, such as Figure 3 As shown, concave frames 104 are welded to the front and rear sides of the top of the support frame 101. The top of the concave frames 104 is welded to the bottom of the left inclined plate 201, the right inclined plate 202, the left side plate 203 and the right side plate 206 respectively.

[0025] In this embodiment: by setting a movable support structure 1, the support frame 101 serves as the core load-bearing component. The concave frame 104 on the front and rear sides of its top can accurately align with the bottom of the left inclined plate 201, right inclined plate 202, left side plate 203, and right side plate 206, ensuring that the classification and temporary storage component 2 is firmly welded to the support frame 101, preventing structural loosening when temporarily storing circuit boards. During the transfer process, the directional wheel 102 on the right side of the bottom of the support frame 101 can guide the trolley to move smoothly along a straight line, while the self-locking steering wheel 103 on the left side can easily and flexibly adjust the direction to adapt to the turning needs of narrow workshop passages or workstations. When the trolley is parked at the AOI maintenance workstation, the self-locking function of the steering wheel 103 can quickly fix the trolley, preventing accidental slippage during operation, thus ensuring transfer efficiency and improving operational safety.

[0026] Specifically, such as Figure 3 As shown, reinforcing rods 3 are welded to both sides of the inner side of the adjacent support frame 101. The top of the left reinforcing rod 3 is welded to the bottom of the left plate 203, and the top of the right reinforcing rod 3 is welded to the bottom of the right plate 206.

[0027] Specifically, such as Figure 5 As shown, a vertical rod 4 is welded to the top side inside the support frame 101, and the bottom of the vertical rod 4 is welded to the top of the support frame 101.

[0028] In this embodiment: By setting reinforcing rods 3 and uprights 4, the reinforcing rods 3 on the inner side of adjacent support frames 101 are welded to the bottom of the left side plate 203 and the right side plate 206 respectively to form a lateral support, which prevents the left side plate 203 and the right side plate 206 from lateral deformation due to the weight of the temporary circuit board. The uprights 4 on the top side inside the support frame 101 are vertically welded to the top of the support frame 101, which enhances the overall rigidity of the support frame 101 in the longitudinal direction and prevents the support frame 101 from bending under pressure. The two work together to ensure that the movable support structure 1 can stably bear the weight of the classified temporary storage components 2 and the circuit board, avoid structural damage after long-term use, and extend the service life of the device.

[0029] Specifically, such as Figure 5 As shown, side support rods 5 are welded to both sides of the upright 4, and the bottom of the side support rods 5 is welded to the top of the support frame 101.

[0030] Specifically, such as Figure 1 , Figure 2 As shown, a push-pull handle 6 is welded to the top left side of the left side plate 203. The front and rear sides of the bottom of the push-pull handle 6 are both arc-shaped.

[0031] In this embodiment: by setting side support rods 5 and push-pull handles 6, the side support rods 5 on both sides of the upright 4 are inclinedly welded to the top of the support frame 101, forming a triangular support structure with the upright 4, dispersing the longitudinal pressure borne by the upright 4, avoiding the upright 4 from breaking under stress, and further improving the overall structural stability. The push-pull handle 6 is welded to the top left side of the left side plate 203, and the arc shape of its bottom front and rear sides fits the hand grip arc. When the operator pushes or pulls the trolley, the hand force is more even, reducing fatigue during long-term operation, and at the same time, it is convenient to accurately control the direction of the trolley movement, improving the convenience of the transfer operation.

[0032] Specifically, such as Figure 2 , Figure 4 As shown, an NG board label 7 is attached to the top of the left side panel 203. The NG board label 7 is marked in pink.

[0033] Specifically, such as Figure 2 , Figure 4 As shown, an OK board label 8 is affixed to the top of the right side panel 206. The OK board label 8 is marked in yellow.

[0034] In this embodiment, by setting NG board label 7 and OK board label 8, rapid identification of the classification temporary storage area is achieved. Specifically, the pink NG board label 7 on the top of the left side board 203 corresponds to the "defective product temporary storage area" (the area enclosed by the left inclined board 201, the first inner inclined board 204, and the left side board 203), and the yellow OK board label 8 on the top of the right side board 206 corresponds to the "good product temporary storage area" (the area enclosed by the right inclined board 202, the second inner inclined board 207, and the right side board 206). The two colors have high distinguishability, and AOI maintenance personnel can quickly locate the target area through the labels without repeated confirmation, avoiding putting defective products into the good product area or vice versa, reducing the risk of mixing materials from the source, and improving the efficiency and accuracy of temporary storage operations.

[0035] Working Principle: In the use of the dedicated classification and temporary storage trolley for AOI inspection of circuit boards, a stable foundation is first built based on the support frame 101 of the mobile support structure 1. The uprights 4 on the top side inside the support frame 101 are vertically welded, and the side support rods 5 on both sides are inclinedly connected to the top of the support frame 101, forming a triangular support structure. Simultaneously, the reinforcing rods 3 on the inner side of adjacent support frames 101 are welded to the bottom of the left side plate 203 and the right side plate 206, respectively. The longitudinal and transverse supports work together to strengthen the overall rigidity, preventing deformation or breakage of the device due to the weight of the temporarily stored circuit boards, providing structural protection for subsequent operations. After the AOI inspection process is completed, the workers... The staff can quickly distinguish between the "defective product temporary storage area" and the "good product temporary storage area" by using the pink NG board label 7 on the top of the left side panel 203 and the yellow OK board label 8 on the top of the right side panel 206. Defective circuit boards are placed in the area enclosed by the left inclined plate 201, the first inner inclined plate 204, and the left side panel 203. The inward tilting design of the left inclined plate 201 and the first inner inclined plate 204 naturally limits the defective products, preventing them from shifting during temporary storage. The NG board baffle 205 at the rear provides side protection to prevent defective products from falling over. Good circuit boards are placed in the area enclosed by the right inclined plate 202, the second inner inclined plate 207, and the right side panel 206. Similarly, the inclined structure of the right inclined plate 202 and the second inner inclined plate 207 limits the good quality of the circuit boards, and the OK plate baffle 208 prevents the side from sliding down, realizing the physical isolation of the two types of circuit boards. No further sorting is required, avoiding mixing and misjudgment and missed inspection from the source. When picking up and putting down circuit boards, due to the natural limitation of the inclined structure, the staff can directly pull them from the front end of the left inclined plate 201 or the right inclined plate 202 without repeated flipping and adjustment, reducing the risk of edge bumps and surface scratches caused by frequent handling. At the same time, the concave frame 104 on the front and rear sides of the top of the support frame 101 ensures that each plate of the classification temporary storage component 2 is firmly welded to the support frame 101, avoiding the need for picking up and putting down circuit boards. When the structure is loose, and it is necessary to transfer the temporarily stored circuit board to the next process, the worker holds the push-pull handle 6 on the top of the left side plate 203. The arc design of its bottom front and back sides fits the curvature of the hand, and the force is evenly distributed, making it easy to push the trolley. The directional wheel 102 on the bottom right side of the support frame 101 guides the trolley to move smoothly in a straight line. The steering wheel 103 on the left side with a self-locking function makes it easy to adjust the direction flexibly in the narrow passage of the workshop. After reaching the target work position, step on the self-locking device of the steering wheel 103 to fix the trolley and prevent accidental slippage during operation. This achieves efficient connection between the temporary storage and transfer links and effectively improves the overall efficiency of the AOI maintenance process.

[0036] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements 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. A special sorting and temporary storage trolley for AOI inspection of circuit boards, comprising a movable support structure (1), characterized in that: The top of the mobile support structure (1) is provided with a classification temporary storage component (2); The classification temporary storage component (2) includes a left inclined plate (201) and a right inclined plate (202). The left inclined plate (201) and the right inclined plate (202) are respectively welded to the two sides of the top center of the movable support structure (1). A left side plate (203) is welded to the left side of the top of the movable support structure (1). A first inner inclined plate (204) is welded to the bottom between the left side plate (203) and the left inclined plate (201). An NG plate baffle (205) is welded to the rear side of the left side plate (203) and the left inclined plate (201). A baffle plate (205) is located on the rear side of the first inner inclined plate (204), which is located on the left side of the top of the movable support structure (1). A right side plate (206) is welded to the right side of the top of the movable support structure (1). A second inner inclined plate (207) is welded to the bottom between the right side plate (206) and the right inclined plate (202). An OK plate baffle plate (208) is welded to the rear side of the right side plate (206) and the right inclined plate (202). The OK plate baffle plate (208) is located on the rear side of the second inner inclined plate (207).

2. The special classification and temporary storage trolley for AOI maintenance of circuit boards according to claim 1, characterized in that: The movable support structure (1) includes a support frame (101), and directional wheels (102) are welded to the front and rear sides of the bottom right side of the support frame (101).

3. The special classification and temporary storage trolley for AOI maintenance of circuit boards according to claim 2, characterized in that: Steering wheels (103) are welded to the front and rear sides of the bottom left side of the support frame (101), and the steering wheels (103) have a self-locking function.

4. The special classification and temporary storage trolley for AOI inspection of circuit boards according to claim 3, characterized in that: The front and rear sides of the top of the support frame (101) are welded with concave frames (104), and the top of the concave frames (104) is welded to the bottom of the left inclined plate (201), the right inclined plate (202), the left side plate (203) and the right side plate (206) respectively.

5. A special classification and temporary storage trolley for AOI inspection of circuit boards according to claim 4, characterized in that: Reinforcing rods (3) are welded to both sides of the inner side of the adjacent support frame (101). The top of the left reinforcing rod (3) is welded to the bottom of the left plate (203), and the top of the right reinforcing rod (3) is welded to the bottom of the right plate (206).

6. A special classification and temporary storage trolley for AOI inspection of circuit boards according to claim 4, characterized in that: A vertical rod (4) is welded to the top side inside the support frame (101), and the bottom of the vertical rod (4) is welded to the top of the support frame (101).

7. A special classification and temporary storage trolley for AOI inspection of circuit boards according to claim 6, characterized in that: Side support rods (5) are welded to both sides of the upright (4), and the bottom of the side support rods (5) is welded to the top of the support frame (101).

8. A special classification and temporary storage trolley for AOI maintenance of circuit boards according to claim 1, characterized in that: A push-pull handle (6) is welded to the top of the left side of the left side plate (203), and the front and rear sides of the bottom of the push-pull handle (6) are both arc-shaped.

9. A special classification and temporary storage trolley for AOI inspection of circuit boards according to claim 1, characterized in that: The top of the left side panel (203) is covered with an NG board label (7), which is marked in pink.

10. A special classification and temporary storage trolley for AOI maintenance of circuit boards according to claim 1, characterized in that: The top of the right side panel (206) is affixed with an OK board label (8), which is marked in yellow.

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