Automatic sorting method for VRS maintenance

Abstract

The invention discloses an automatic sorting method for VRS maintenance, and belongs to the technical field of printed circuit board manufacturing. The automatic sorting method for VRS maintenance comprises the steps that S1, OK boards and NG boards are distinguished, the OK boards are transferred to a first conveying mechanism to be stacked, and the NG boards are transferred to an NG board stacking position to be stacked; s2, all the OK boards are transferred to a batch combining position, the scanned NG boards are transferred to a VRS workbench, and the NG boards are overhauled; s3, adjusting the direction of the NG plate which is overhauled, and transferring the NG plate which is overhauled to an overhauling temporary storage position; s4, the NG plates which are overhauled on the overhauling temporary storage position are transferred to a batch combining position; and S5, the OK plate and the NG plate after overhauling are output to a transfer mechanism. The production efficiency is improved through efficient production line automatic processing, interference of human factors on the production process is reduced by reducing the working intensity and the labor cost, sorting of the PCBs is more accurate, and then the overall production quality of PCB products is improved.

Description

Technical Field

[0001] The invention relates to the technical field of printed circuit board manufacturing, and in particular to a VRS maintenance automated sorting method. Background Art

[0002] In the PCB manufacturing process, circuit forming is an extremely important link, and its quality can directly affect the performance and service life of the circuit board. In order to ensure the reliability of PCB electrical performance, the circuit is usually inspected and repaired by a combination of AOI+VRS after the PCB circuit is formed.

[0003] During the VRS inspection process, OK boards and NG boards need to be sorted, and NG boards are batched together with OK boards after inspection. In the prior art, after AOI scanning, OK boards and NG boards are sorted manually. However, manual sorting is inefficient and labor-intensive. If the operator makes a mistake or moves roughly, it is easy to cause surface damage such as scratches and scrapes on the board surface. Summary of the invention

[0004] The purpose of the present invention is to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a VRS maintenance automated sorting method, which can effectively reduce manual intervention in the sorting process and improve the sorting efficiency of PCB boards and the production quality of products.

[0005] According to some embodiments of the present invention, a VRS maintenance automated sorting method includes:

[0006] S1: Supply PCB boards to the feeding position, use the first scanning mechanism to scan the QR codes on the PCB working boards one by one and obtain the corresponding product information, distinguish OK boards from NG boards by the obtained product information, use the first transfer mechanism to transfer the OK boards to the first transport mechanism for stacking, and transfer the NG boards to the NG board stacking position for stacking;

[0007] S2: After sorting OK boards and NG boards, the first transport mechanism is used to transfer all OK boards to the batching position, and the second transport mechanism is used to transfer the NG boards on the NG board stacking position to the input end of the second transport mechanism one by one. The second scanning mechanism is used at the input end of the second transport mechanism to scan the NG boards and obtain the corresponding maintenance information. The second transport mechanism is used to transfer the scanned NG boards to the VRS workbench, and the NG boards are repaired according to the obtained maintenance information.

[0008] S3: Output the NG boards that have completed the overhaul to the third transport mechanism, use the third transport mechanism to transfer the NG boards that have completed the overhaul to the flip mechanism, use the flip mechanism to adjust the direction of the NG boards that have completed the overhaul, and then transfer the NG boards that have completed the overhaul to the temporary storage position for overhaul one by one for stacking;

[0009] S4: The third transfer mechanism is used to transfer the NG boards that have completed the inspection at the inspection temporary storage position to the batching position and stack them on the upper end of the OK boards;

[0010] S5: The first transport mechanism is used to output the OK boards and the NG boards that have completed inspection to the transfer mechanism.

[0011] The VRS maintenance automated sorting method according to the embodiment of the present invention has at least the following beneficial effects: by scanning the QR code on the PCB board, the OK board and the NG board are quickly distinguished, and the OK board and the NG board are respectively moved to different positions for stacking, so that the transportation of the OK board and the maintenance of the NG board are carried out simultaneously, and finally the OK board and the NG board that have completed the maintenance are merged and output, thereby realizing the improvement of production efficiency through efficient production line automation processing, and reducing the interference of human factors on the production process by reducing the work intensity and labor costs, making the sorting of PCB boards more accurate, thereby improving the overall production quality of PCB products.

[0012] According to some embodiments of the present invention, in S1, after the PCB board is supplied to the feeding position, the first transfer mechanism is first used to transfer the first PVB board to the first inspection temporary storage position.

[0013] According to some embodiments of the present invention, in S1, the material feeding position and the first piece inspection temporary storage position are both located above the first transportation mechanism.

[0014] According to some embodiments of the present invention, in S1, the first transport mechanism includes a first channel, a second channel and a flat plate, the first channel is arranged above the second channel, the flat plate can move along the directions limited by the first channel and the second channel, the flat plate transports the OK board to the batching position through the first channel, and the flat plate returns to the feeding position through the second channel.

[0015] According to some embodiments of the present invention, in S2, the identification positions of the NG board are inspected one by one by using the inspection information obtained manually.

[0016] According to some embodiments of the present invention, in S2, a laser marker is provided on the VRS workbench, and the laser marker is movably connected to the VRS workbench. After the scrapped NG board is confirmed, the laser marker is used to mark the confirmed scrapped NG board.

[0017] According to some embodiments of the present invention, in S3, the flipping mechanism scans the QR code on the NG board that has completed inspection and obtains the orientation information of the corresponding QR code, identifies the direction of the NG board that has completed inspection by the obtained QR code orientation information, and then adjusts the direction of the NG board that has completed inspection to be consistent with the direction of the OK board.

[0018] According to some embodiments of the present invention, in S3, the NG boards confirmed to be scrapped are output to the third transport mechanism, the third transport mechanism is used to transfer the NG boards confirmed to be scrapped to the flip mechanism, the flip mechanism is used to adjust the direction of the NG boards confirmed to be scrapped, and then the NG boards confirmed to be scrapped are transferred one by one to the temporary storage position for maintenance for stacking.

[0019] According to some embodiments of the present invention, in S3, the flap mechanism, the third transport mechanism and the maintenance temporary storage location are all located above the first transport mechanism.

[0020] According to some embodiments of the present invention, in S4, a third transfer mechanism is used to transfer the NG board confirmed to be scrapped at the temporary storage position for maintenance to the temporary storage position for scrapped boards.

[0021] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention is further described below in conjunction with the accompanying drawings and embodiments:

[0023] Figure 1 Schematic diagram of equipment for the VRS maintenance automated sorting method according to an embodiment of the present invention;

[0024] Figure 2 yes Figure 1 Schematic diagram of the hierarchical top view of the equipment;

[0025] Figure 3 yes Figure 1 A schematic diagram of the hierarchical structure of the device in FIG.

[0026] Figure 4 It is a flowchart of the VRS maintenance automation sorting method according to an embodiment of the present invention;

[0027] Figure 5 yes Figure 4 Schematic diagram of the process flow of S2.

[0028] Reference numerals:

[0029] Feeding position 100, first transfer mechanism 110, first transportation mechanism 120, first channel 121, second channel 122, flat plate 123, first piece inspection temporary storage position 130;

[0030] The total number of positions is 200;

[0031] NG stacking position 300, second transfer mechanism 310, second transportation mechanism 320, VRS workbench 330;

[0032] Maintenance temporary storage position 400, third transportation mechanism 410, flap mechanism 420, third transfer mechanism 430;

[0033] Transfer agency 500. DETAILED DESCRIPTION

[0034] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0035] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0036] In the description of the present invention, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0037] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0038] refer to Figures 1 to 5 The VRS maintenance automated sorting method according to an embodiment of the present invention is described.

[0039] like Figure 1 and Figure 4 As shown, the VRS maintenance automation sorting method according to an embodiment of the present invention includes:

[0040] S1: Supply PCB boards to the feeding position 100, use the first scanning mechanism to scan the QR codes on the PCB work boards one by one and obtain the corresponding product information, distinguish OK boards from NG boards by the obtained product information, use the first transfer mechanism 110 to transfer the OK boards to the first transport mechanism 120 for stacking, and transfer the NG boards to the NG board stacking position for stacking;

[0041] Specifically, after the PCB board is supplied to the feeding position 100, the first transfer mechanism 110 is first used to transfer the first PVB board to the first inspection temporary storage position 130;

[0042] Specifically, the material loading position 100 and the first piece inspection temporary storage position 130 are both located above the first transportation mechanism 120 .

[0043] Specifically, the first transport mechanism 120 includes a first channel 121, a second channel 122 and a flat plate 123. The first channel 121 is arranged above the second channel 122. The flat plate 123 can move along the direction limited by the first channel 121 and the second channel 122. The flat plate 123 transports the OK board to the batching position 200 through the first channel 121, and the flat plate 123 returns to the feeding position 100 through the second channel 122.

[0044] S2: After sorting OK boards and NG boards, the first transport mechanism 120 is used to transfer all OK boards to the batching position 200, and the second transport mechanism 310 is used to transfer the NG boards on the NG board stacking position to the input end of the second transport mechanism 320 one by one. The second scanning mechanism is used at the input end of the second transport mechanism 320 to scan the NG boards and obtain corresponding inspection information. The second transport mechanism 320 is used to transfer the scanned NG boards to the VRS workbench 330, and the NG boards are inspected according to the obtained inspection information;

[0045] Specifically, Figure 5 As shown, the identification positions of the NG board are inspected one by one by manually using the inspection information obtained;

[0046] Specifically, a laser marker is provided on the VRS workbench 330 , and the laser marker is movably connected to the VRS workbench 330 . After the scrapped NG board is confirmed, the laser marker is used to mark the confirmed scrapped NG board.

[0047] S3: Output the NG boards that have completed the inspection to the third transport mechanism 410, use the third transport mechanism 410 to transfer the NG boards that have completed the inspection to the flip mechanism 420, use the flip mechanism 420 to adjust the direction of the NG boards that have completed the inspection, and then transfer the NG boards that have completed the inspection to the inspection temporary storage position 400 one by one for stacking;

[0048] Specifically, the plate turning mechanism 420 scans the QR code on the NG plate that has been inspected and obtains the orientation information of the corresponding QR code, identifies the direction of the NG plate that has been inspected by using the obtained QR code orientation information, and then adjusts the direction of the NG plate that has been inspected to be consistent with the direction of the OK plate;

[0049] Specifically, the NG boards confirmed to be scrapped are output to the third transport mechanism 410, and the third transport mechanism 410 is used to transfer the NG boards confirmed to be scrapped to the flip mechanism 420, and the flip mechanism 420 is used to adjust the direction of the NG boards confirmed to be scrapped, and then the NG boards confirmed to be scrapped are transferred one by one to the temporary storage position 400 for maintenance and stacking;

[0050] Specifically, the flap mechanism 420 , the third transport mechanism 410 and the maintenance temporary storage location 400 are all located above the first transport mechanism 120 .

[0051] S4: The third transfer mechanism 430 is used to transfer the NG boards that have completed the inspection at the inspection temporary storage position 400 to the batching position 200 and stack them on the upper end of the OK boards;

[0052] Specifically, the third transfer mechanism 430 is used to transfer the NG boards confirmed to be scrapped on the maintenance temporary storage position 400 to the scrap board temporary storage position.

[0053] S5: The first transport mechanism 120 is used to output the OK boards and the NG boards that have completed inspection to the transfer mechanism 500 .

[0054] By scanning the QR code on the PCB board, the OK board and the NG board can be quickly distinguished, and the OK board and the NG board can be moved to different positions for stacking, so that the transportation of the OK board and the inspection of the NG board can be carried out simultaneously, and finally the OK board and the NG board that have completed the inspection can be merged and output. In this way, the production efficiency is improved through efficient production line automation processing, and the interference of human factors on the production process is reduced by reducing work intensity and labor costs, making the sorting of PCB boards more accurate, thereby improving the overall production quality of PCB products.

[0055] The VRS maintenance automated sorting method is described below using a specific embodiment.

[0056] It should be noted that Figure 2 and Figure 3 The equipment used in this VRS maintenance automated sorting method has three layers: Figure 2 Separate the equipment into layers in the form of a plan. Figure 3 The device is split into two parallel lines in the form of a side view.

[0057] S1: Figure 2 and Figure 3As shown, the feed position 100 is connected to the output end of the AOI, and the PCB boards that have completed the AOI scanning are output to the feed position 100 one by one for stacking. After the supply of the same batch of PCB boards is completed, the first transfer mechanism 110 transfers the first PVB board to the first piece inspection temporary storage position 130 located above the first transportation mechanism 120 to inspect the first piece of the batch of PCB boards.

[0058] Then, the first scanning mechanism is used to scan the QR codes on the PCB working boards one by one and obtain the corresponding product information. The PCB working boards are divided into OK boards and NG boards according to the obtained product information. The first transfer mechanism 110 transfers the OK boards to the flat plate 123 at the right end of the first channel 121 for stacking, and transfers the NG boards to the NG board stacking position for stacking.

[0059] Specifically, the first transfer mechanism 110 is a robot.

[0060] It should be noted that AOI is automatic optical inspection, which is a method of automated inspection and testing using optical technology. It can quickly and accurately detect components, solder joints, printing quality, etc. on PCB boards by using high-resolution cameras and image processing algorithms. It has high speed, high precision, and strong reliability, which can reduce human errors and improve production efficiency and product quality. OK boards refer to products that have passed various inspections and tests during the production process and meet the specified standards and quality requirements, and can continue to flow into the downstream production links; while NG boards are products that are judged to be unqualified, defective, or do not meet the specified standards during the production process, and need to be repaired, reworked, or discarded to ensure product quality and meet standard requirements.

[0061] S2: After completing the sorting of OK boards and NG boards, the flat plate 123 moves all the OK boards to the left along the first channel 121 to the batching position 200. At the same time, the second transfer mechanism 310 transfers the NG boards on the NG board stacking position to the input end of the second transportation mechanism 320 in sequence. A second scanning mechanism is provided on the input end of the second transportation mechanism 320. The second scanning mechanism scans the NG boards supplied in sequence one by one to obtain corresponding maintenance information. It should be noted that the maintenance information here is the scanning result of AOI. After the second transportation mechanism 320 moves the scanned NG boards to the left to the VRS workbench 330, the operator obtains the maintenance identification position of the NG board according to the acquired scanning result, and thereby inspects the identification position of the NG board one by one.

[0062] It should be noted that the marking position is the NG identification position that cannot be repaired, that is, there are several marking positions on the same scrapped NG board.

[0063] Furthermore, a laser marker is provided on the VRS workbench 330, and the laser marker is movably connected to the VRS workbench 330. When the operator confirms the scrapped NG board, the laser marker is used to mark the confirmed scrapped NG board, so that the confirmed scrapped NG board and the NG board that has completed maintenance can be distinguished in the downstream production link.

[0064] S3: The NG board that has completed inspection is output to the third transport mechanism 410. The third transport mechanism 410 transfers the corner of the NG board that has completed inspection to the flip mechanism 420. The flip mechanism 420 scans the QR code on the NG board that has completed inspection and obtains the orientation information of the corresponding QR code. The direction of the NG board that has completed inspection is identified by the obtained QR code orientation information, and the direction of the NG board that has completed inspection is adjusted to be consistent with the direction of the OK board. The NG boards that have completed inspection are then transferred one by one to the inspection temporary storage position 400 located above the first transport mechanism 120 for stacking and temporary storage.

[0065] Specifically, the NG boards confirmed as scrapped and the NG boards that have completed inspection enter the same production environment through the same production steps, that is, the NG boards confirmed as scrapped are output to the third transportation mechanism 410, and the third transportation mechanism 410 is used to transfer the NG boards confirmed as scrapped to the flip mechanism 420, and the flip mechanism 420 scans the QR code on the NG boards confirmed as scrapped and obtains the orientation information of the corresponding QR code, identifies the direction of the NG boards confirmed as scrapped through the obtained QR code orientation information, and adjusts the direction of the NG boards confirmed as scrapped to be consistent with the direction of the OK boards, and then transfers the NG boards that have completed inspection one by one to the inspection temporary storage position 400 located above the first transportation mechanism 120 for stacking and temporary storage.

[0066] It should be noted that the flip mechanism 420, the third transport mechanism 410 and the temporary storage position 400 are all located above the first transport mechanism 120. As a result, the transport routes of the OK boards and the NG boards are parallel to each other, and the transport of the OK boards and the inspection of the NG boards can be carried out simultaneously without interfering with each other, thereby achieving space intensification, accelerating production speed and improving production efficiency.

[0067] S4: The third transfer mechanism 430 transfers the NG boards that have completed maintenance on the maintenance temporary storage position 400 to the batching position 200 and stacks them on the upper end of the OK boards, and transfers the NG boards that are confirmed to be scrapped on the maintenance temporary storage position 400 to the scrap board temporary storage position.

[0068] S5: The first transport mechanism 120 is used to output the OK boards and the NG boards that have completed inspection to the automatic guided vehicle, and then transported to the next production link via the automatic guided vehicle.

[0069] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A VRS maintenance automated sorting method, characterized in that: include: S1: Supply PCB boards to the feeding position, use the first scanning mechanism to scan the QR codes on the PCB working boards one by one and obtain the corresponding product information, distinguish OK boards from NG boards by the obtained product information, use the first transfer mechanism to transfer the OK boards to the first transport mechanism for stacking, and transfer the NG boards to the NG board stacking position for stacking; S2: After sorting OK boards and NG boards, the first transport mechanism is used to transfer all OK boards to the batching position, and the second transport mechanism is used to transfer the NG boards on the NG board stacking position to the input end of the second transport mechanism one by one. The second scanning mechanism is used at the input end of the second transport mechanism to scan the NG boards and obtain the corresponding maintenance information. The second transport mechanism is used to transfer the scanned NG boards to the VRS workbench, and the NG boards are repaired according to the obtained maintenance information; S3: Output the NG boards that have completed the overhaul to the third transport mechanism, use the third transport mechanism to transfer the NG boards that have completed the overhaul to the flip mechanism, use the flip mechanism to adjust the direction of the NG boards that have completed the overhaul, and then transfer the NG boards that have completed the overhaul to the temporary storage position for overhaul one by one for stacking; S4: The third transfer mechanism is used to transfer the NG boards that have completed the inspection at the inspection temporary storage position to the batching position and stack them on the upper end of the OK boards; S5: The first transport mechanism is used to output the OK boards and the NG boards that have completed inspection to the transfer mechanism.

2. The VRS maintenance automated sorting method according to claim 1, characterized in that: In S1, after the PCB board is supplied to the feeding position, the first transfer mechanism is first used to transfer the first PVB board to the first inspection temporary storage position.

3. The VRS maintenance automated sorting method according to claim 2, characterized in that: In S1, the material feeding position and the first piece inspection temporary storage position are both located above the first transport mechanism.

4. The VRS maintenance automated sorting method according to claim 1, characterized in that: In S1, the first transport mechanism includes a first channel, a second channel and a flat plate. The first channel is arranged above the second channel. The flat plate can move along the directions limited by the first channel and the second channel. The flat plate transports the OK board to the batching position through the first channel, and the flat plate returns to the feeding position through the second channel.

5. The VRS maintenance automated sorting method according to claim 1, characterized in that: In S2, the identification positions of the NG board are inspected one by one using the inspection information obtained manually.

6. The VRS maintenance automated sorting method according to claim 4, characterized in that: In S2, a laser marker is provided on the VRS workbench, and the laser marker is movably connected to the VRS workbench. After the scrapped NG board is confirmed, the laser marker is used to mark the confirmed scrapped NG board.

7. The VRS maintenance automated sorting method according to claim 1, characterized in that: In S3, the flipping mechanism scans the QR code on the NG board that has completed inspection and obtains the orientation information of the corresponding QR code, identifies the direction of the NG board that has completed inspection by the obtained QR code orientation information, and then adjusts the direction of the NG board that has completed inspection to be consistent with the direction of the OK board.

8. The VRS maintenance automated sorting method according to claim 1, characterized in that: In S3, the confirmed scrapped NG boards are output to the third transport mechanism, the third transport mechanism is used to transfer the confirmed scrapped NG boards to the flip mechanism, the flip mechanism is used to adjust the direction of the confirmed scrapped NG boards, and then the confirmed scrapped NG boards are transferred one by one to the temporary storage position for maintenance for stacking.

9. The VRS maintenance automated sorting method according to claim 1, characterized in that: In S3, the flap mechanism, the third transport mechanism and the temporary storage position for maintenance are all located above the first transport mechanism.

10. The VRS maintenance automated sorting method according to claim 1, characterized in that: In S4, the third transfer mechanism is used to transfer the NG board confirmed to be scrapped at the temporary storage position for maintenance to the temporary storage position for scrapped boards.

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