CN219224622U

CN219224622U - PCB defect detection equipment

Info

Publication number: CN219224622U
Application number: CN202320708861.XU
Authority: CN
Inventors: 韦虎; 倪化生; 黄炫
Original assignee: Hefei Zhongke Xinghan Technology Co ltd
Current assignee: Hefei Zhongke Xinghan Technology Co ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-06-20
Anticipated expiration: 2033-04-03

Abstract

The utility model discloses PCB defect detection equipment, which relates to the technical field of PCB detection and comprises a workbench, wherein the top of the workbench is fixedly connected with a vertical rod, and the vertical rod is provided with a bearing unit and a driving unit for enabling the bearing unit to rotate; the utility model discloses a pole setting, including pole setting, PLC controller, bearing unit, the pole setting is provided with mobilizable detecting element and PLC controller in the pole setting, the outer lane of pole setting has fixedly cup jointed the second loop bar, be provided with the pilot lamp on the second loop bar, the PLC controller with pilot lamp electric connection, bear the weight of the unit including rotating the sleeve pipe of cup jointing the pole setting outer lane. The utility model can continuously detect without stopping, improves the detection efficiency of the PCB, is convenient for staff to distinguish whether the detected PCB is a defective part or not through the cooperation of the indicator lights, and simultaneously compared with the prior art, the utility model does not need to clamp and fix the PCB, completely avoids damaging the PCB, does not need to turn over the PCB to detect the other side, and improves the detection efficiency.

Description

PCB defect detection equipment

Technical Field

The utility model relates to the technical field of PCB detection, in particular to PCB defect detection equipment.

Background

The Chinese name of PCB is printed circuit board, also called printed circuit board, which is an important electronic component, is a support for electronic components, is a carrier for electronic connection of electronic components, is called as "printed circuit board" because it is made by adopting electronic printing technology, and after electronic equipment adopts printed board, the error of manual wiring is avoided because of the consistency of the same type of printed board, and automatic insertion or mounting, automatic soldering and automatic detection of electronic components can be realized, thereby ensuring the quality of electronic equipment, improving labor productivity, reducing cost and being convenient for maintenance.

For example, the PCB defect detection platform based on visual identification that publication number CN217212329U proposed, including the board, the bearing has the circuit board on the board, is located the top of circuit board, be provided with camera device on the board, one side of circuit board is provided with tilting mechanism, tilting mechanism includes the pressfitting frame, the tip of pressfitting frame is provided with the sucking disc, is located the bottom of pressfitting frame is provided with fixed support strip, one side of pressfitting frame is through drive arrangement drive lift realization to the pressfitting at circuit board edge is fixed, drive arrangement's bottom with fixed support strip fixed connection.

According to the scheme, the circuit board is overturned through the overturning mechanism, so that visual detection can be realized on the circuits on the two sides of the circuit board, collision damage caused by manual detection and overturning is avoided, the efficiency is higher, and the board can be smoothly flowed to the next working procedure; however, the applicant finds that after the detection is completed, the rack 6 moves on the guide rail 7, and defective products or good products can be moved out of the machine table 1, so that the next PCB to be detected can be detected again after the next procedure is performed, the detection efficiency of the PCB is definitely reduced in the process, and when the PCB is overturned, the PCB is required to be clamped and fixed, the PCB is easy to damage, and the overturning detection is performed, so that the camera device works twice to complete the detection, and the detection efficiency is further reduced.

Disclosure of Invention

To above-mentioned problem, the present application provides a PCB board defect detection equipment.

In order to achieve the above purpose, the present application provides the following technical solutions: the PCB defect detection device comprises a workbench, wherein the top of the workbench is fixedly connected with a vertical rod, and a bearing unit and a driving unit for enabling the bearing unit to rotate are arranged on the vertical rod;

the movable detection unit and the PLC are arranged on the vertical rod, a second loop bar is fixedly sleeved on the outer ring of the vertical rod, an indicator lamp is arranged on the second loop bar, and the PLC is electrically connected with the indicator lamp.

Preferably, the bearing unit comprises a sleeve which is rotatably sleeved on the outer ring of the vertical rod, a plurality of connecting pieces which are used for carrying out circular arrays by taking the vertical rod as an axle center are fixedly connected to the side wall of the sleeve, a frame is arranged at the free end of each connecting piece, and a PCB to be tested is arranged in the frame.

Preferably, the driving unit comprises a motor fixedly connected to the bottom of the workbench, an output end of the motor is fixedly connected with a rotating shaft penetrating through and extending to the top end of the workbench, a first belt pulley is fixedly sleeved on an outer ring of the rotating shaft, a second belt pulley sleeved on an outer ring of the vertical rod is fixedly connected to the bottom of the sleeve, and the first belt pulley and the outer ring of the second belt pulley are tensioned with the same belt.

Preferably, the first loop bar that is located the second loop bar top is cup jointed to the pole setting outer lane fixedly connected with, fixedly connected with is the mount of U type on the first loop bar, be provided with electronic lead screw between the two stabilizer blades of mount, the outer lane screw thread of electronic lead screw is provided with the screwed pipe, the top of screwed pipe with the bottom sliding connection of mount, the bottom fixedly connected with of screwed pipe is the connecting rod of U type, the free end fixedly connected with curb plate of connecting rod, two one side that the curb plate is close to each other is provided with camera device.

Preferably, a sliding groove is formed in the bottom of the fixing frame, and a sliding block connected with the screw tube is arranged in the sliding groove.

In summary, the utility model has the technical effects and advantages that:

the utility model can continuously detect without stopping, improves the detection efficiency of the PCB, is convenient for staff to distinguish whether the detected PCB is a defective part or not through the cooperation of the indicator lights, and simultaneously compared with the prior art, the utility model does not need to clamp and fix the PCB, completely avoids damaging the PCB, does not need to turn over the PCB to detect the other side, and improves the detection efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a PCB defect detecting apparatus.

Fig. 2 is a schematic partial structure.

Fig. 3 is a schematic view of the structure of the driving unit and the carrying unit.

In the figure: 1. a work table; 2. a side plate; 3. an electric screw rod; 4. a fixing frame; 5. a first loop bar; 6. a PLC controller; 7. a vertical rod; 8. a second loop bar; 9. an indicator light; 10. an image pickup device; 11. a connecting rod; 12. a solenoid; 13. a motor; 14. a rotating shaft; 15. a first pulley; 16. a sleeve; 17. a frame; 18. a second pulley; 19. and a connecting sheet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to the figures 1-3, the PCB defect detection device comprises a workbench 1, wherein a vertical rod 7 is fixedly connected to the top of the workbench 1, and a bearing unit and a driving unit for enabling the bearing unit to rotate are arranged on the vertical rod 7.

The PCB to be tested is placed in the bearing unit, and is driven to rotate under the action of the driving unit.

As shown in fig. 1 and 2, a movable detection unit and a PLC controller 6 are arranged on the upright rod 7, a second sleeve rod 8 is fixedly sleeved on the outer ring of the upright rod 7, an indicator lamp 9 is arranged on the second sleeve rod 8, and the PLC controller 6 is electrically connected with the indicator lamp 9.

The PCB board that awaits measuring is put into and bears in the unit, under drive unit's effect, drives the PCB board that awaits measuring and rotates, when moving to detecting element, drive unit stop work, carries out defect detection to the PCB board through mobilizable detecting element, in the PLC controller 6 with data transmission, if the PCB board does not have the defect, then pilot lamp 9 is not bright, if the PCB board has the defect, then pilot lamp 9 is bright, the staff of being convenient for discerns.

As shown in fig. 3, the bearing unit includes a sleeve 16 rotatably sleeved on the outer ring of the upright 7, a plurality of connection pieces 19 which are circularly arrayed with the upright 7 as an axis are fixedly connected on the side wall of the sleeve 16, in this embodiment, the number of the connection pieces 19 is 5, the free ends of the connection pieces 19 are provided with a frame 17, and the PCB board to be tested is placed in the frame 17.

As shown in fig. 3, the driving unit includes a motor 13 fixedly connected to the bottom of the workbench 1, an output end of the motor 13 is fixedly connected with a rotating shaft 14 penetrating and extending to the top end of the workbench 1, an outer ring of the rotating shaft 14 is fixedly sleeved with a first belt pulley 15, a bottom of the sleeve 16 is fixedly connected with a second belt pulley 18 sleeved on an outer ring of the upright 7, and the outer rings of the first belt pulley 15 and the second belt pulley 18 are tensioned with the same belt.

When detecting the PCB board, put into frame 17 with the PCB board that awaits measuring in, start motor 13, motor 13 starts and makes pivot 14 rotate, and then make first belt pulley 15 rotate, make second belt pulley 18 rotate through the belt, and then make sleeve pipe 16 rotate in the outer lane of pole setting 7, make frame 17 rotate through the cooperation of connection piece 19, drive the PCB board and gradually move to detecting element's position, detect the PCB board through detecting element, motor 13 closes this moment, after the detection is accomplished, motor 13 starts, drive this PCB board and leave detecting element, the position of detecting element is gradually moved to the PCB board that does not detect next, thereby can not shut down and carry out continuity detection, improve detection efficiency, the data of detecting element transmission is handled under the effect of PLC controller 6, if the PCB board does not have the defect, then pilot lamp 9 is not bright, if the PCB board has the defect, pilot lamp 9 is bright, the staff of being convenient for distinguish.

As shown in fig. 2, the outer ring of the upright rod 7 is fixedly sleeved with a first loop bar 5 positioned above a second loop bar 8, a fixing frame 4 which is in a U shape is fixedly connected to the first loop bar 5, an electric screw rod 3 is arranged between two support legs of the fixing frame 4, a screw tube 12 is arranged on the outer ring thread of the electric screw rod 3, the top of the screw tube 12 is slidably connected with the bottom of the fixing frame 4, a connecting rod 11 which is in a U shape is fixedly connected to the bottom of the screw tube 12, the free end of the connecting rod 11 is fixedly connected with a side plate 2, and an image pickup device 10 is arranged on one side, which is close to each other, of the two side plates 2.

When the PCB to be tested moves between the two cameras 10, the screw 12 is horizontally moved through the electric screw rod 3, the connecting rod 11 is driven to horizontally move, the cameras 10 are driven to horizontally move through the side plates 2, the sufficient detection of the PCB is ensured, compared with the prior art, the PCB is not required to be clamped and fixed, the damage to the PCB is completely avoided, the PCB is not required to be overturned to be detected on the other surface, and the detection efficiency is improved.

In order to enable the screw 12 to move horizontally, a sliding groove is formed in the bottom of the fixing frame 4, and a sliding block (not shown in the figure) connected with the screw 12 is arranged in the sliding groove.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a PCB board defect detection equipment, includes workstation (1), its characterized in that: the top of the workbench (1) is fixedly connected with a vertical rod (7), and a bearing unit and a driving unit for enabling the bearing unit to rotate are arranged on the vertical rod (7);

be provided with mobilizable detecting element and PLC controller (6) on pole setting (7), the outer lane of pole setting (7) is fixed to be cup jointed second loop bar (8), be provided with pilot lamp (9) on second loop bar (8), PLC controller (6) with pilot lamp (9) electric connection.

2. The PCB defect detection apparatus of claim 1, wherein: the bearing unit comprises a sleeve (16) which is rotatably sleeved on the outer ring of the vertical rod (7), a plurality of connecting pieces (19) which are circularly arrayed by taking the vertical rod (7) as an axle center are fixedly connected to the side wall of the sleeve (16), a frame (17) is arranged at the free end of each connecting piece (19), and a PCB to be tested is arranged in the frame (17).

3. The PCB defect detection apparatus of claim 2, wherein: the driving unit comprises a motor (13) fixedly connected to the bottom of the workbench (1), an output end of the motor (13) is fixedly connected with a rotating shaft (14) penetrating through and extending to the top end of the workbench (1), a first belt pulley (15) is fixedly sleeved on the outer ring of the rotating shaft (14), a second belt pulley (18) sleeved on the outer ring of the upright (7) is fixedly connected to the bottom of the sleeve (16), and the first belt pulley (15) and the outer ring of the second belt pulley (18) are tensioned with the same belt.

4. The PCB defect detection apparatus of claim 1, wherein: the utility model discloses a camera device, including pole setting (7), connecting rod (12), fixing frame (4), electric screw rod (3), screw rod (12) are provided with to outer lane screw thread, the top of screw rod (12) with the bottom sliding connection of fixing frame (4), the bottom fixedly connected with of screw rod (12) is connecting rod (11) of U type, the free end fixedly connected with curb plate (2) of connecting rod (11), two one side that curb plate (2) are close to each other is provided with camera device (10) on fixed frame (5) upper fixedly connected with fixing frame (4) of second loop bar (8), be provided with electric screw rod (3) between two stabilizer blades.

5. The PCB defect detection apparatus of claim 4, wherein: a sliding groove is formed in the bottom of the fixing frame (4), and a sliding block connected with the spiral tube (12) is arranged in the sliding groove.