Double-sided detection device for PCB (Printed Circuit Board)
By designing a double-sided PCB board inspection device, a multi-axis moving mechanism and an inspection mechanism are used to simultaneously inspect the front and back sides of the PCB board, which solves the problems of low inspection efficiency and poor versatility in the existing technology, and improves inspection efficiency and adaptability.
Patent Information
- Application Number
- CN202422888561.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-11-26
AI Technical Summary
Existing PCB board inspection devices have low inspection efficiency, cannot simultaneously inspect the front and back of the PCB board, and have poor versatility for different specifications and sizes.
Design a PCB board double-sided inspection device, which adopts a support frame, a conveying mechanism, an upper and lower Y-axis moving mechanism, an upper and lower X-axis moving mechanism, and an upper and lower inspection mechanism to realize synchronous double-sided inspection of PCB boards. The PCB board is conveyed along the X-axis by the conveying mechanism, and the front and back sides of the PCB board are inspected by the upper and lower inspection mechanisms respectively.
It improves the efficiency of PCB board inspection, shortens the inspection time, and enhances the adaptability and practicality of the inspection device, making it suitable for PCB boards of different widths.
Smart Images

Figure CN223711776U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to PCB board detection device technical field, especially in kind of PCB board double -sided detection device. BACKGROUND
[0002] PCB board is printed circuit board, also called printed circuit board, is the provider of electronic component electrical connection, now most of the electronic components are less PCB board, therefore, with the gradual increase of market demand, the number of manufacturers of making production PCB board also gradually increases.
[0003] The production process of PCB board needs many processes, and the quality of the PCB board needs to be detected after being made, and the existing detection method is generally to check one side of the PCB board and then turn over the PCB board to detect the other side, for example, the invention patent with the patent number CN110072337B and the name of a kind of PCB board automatic turnover detection equipment, such detection method is slow, low efficiency, is not conducive to the rapid production of manufacturers, and cannot rotate to observe the condition of the PCB board at any time, which hinders the real-time control of production results, in addition, it is generally detected for a size of PCB board, and the universality is poor.
[0004] Therefore, how to design a kind of PCB board detection device with simple structure, convenient operation and synchronous detection of PCB board front and back is a problem to be solved by the skilled in the art. UTILITY MODEL CONTENT
[0005] The utility model provides a kind of PCB board double -sided detection device, solves the technical problem of low detection efficiency of existing PCB board detection device.
[0006] The technical scheme that the utility model solves the above technical problem is as follows, a kind of PCB board double -sided detection device, comprising: support frame, conveying mechanism, upper Y-axis moving mechanism, lower Y-axis moving mechanism, upper X-axis moving mechanism, lower X-axis moving mechanism, upper detection mechanism and lower detection mechanism,
[0007] The crown axis of the support frame is X axis, the sagittal axis is Y axis, and the vertical axis is Z axis; the fixed part of the conveying mechanism is fixed on the support frame, and the conveying part thereof can convey the PCB in the direction of the X axis; the upper Y axis moving mechanism and the lower Y axis moving mechanism are located above and below the conveying mechanism respectively, and the fixed parts thereof are fixed on the support frame, and the moving parts thereof reciprocate along the direction of the Y axis; the fixed part of the upper X axis moving mechanism is fixed on the moving part of the upper Y axis moving mechanism, the fixed part of the lower X axis moving mechanism is fixed on the moving part of the lower Y axis moving mechanism, and the moving parts of the upper X axis moving mechanism and the lower X axis moving mechanism reciprocate along the direction of the X axis; the fixed part of the upper detection mechanism is fixed on the moving part of the upper X axis moving mechanism, the fixed part of the lower detection mechanism is fixed on the moving part of the lower X axis moving mechanism, and the detection parts of the upper detection mechanism and the lower detection mechanism are located above and below the PCB respectively to synchronously detect the front face and the back face of the PCB.
[0008] The utility model discloses a beneficial effect is: change traditional PCB detection device's structure, first utilize conveying mechanism and then utilize the detection part of upper detection mechanism and the detection part of lower detection mechanism are located at the PCB respectively, can synchronous detection PCB's front face and back face, shorten the detection time of PCB, improve the detection efficiency of PCB.
[0009] On the basis of the above technical scheme, the utility model still can make following improvement.
[0010] Further, the support frame comprises a base, a plurality of lower support rods, a plurality of lower connecting rods, a plurality of upper support rods and a plurality of upper connecting rods, the X axis is the coronal axis of the base, the Y axis is the sagittal axis of the base, and the Z axis is the vertical axis of the base; the plurality of lower support rods are arranged along the Z axis direction, and the bottom ends thereof are fixed in array on the top end of the base; the plurality of lower connecting rods are arranged along the Y axis direction, and the two ends thereof are fixed on two oppositely arranged lower support rods respectively; the plurality of upper support rods are arranged along the Z axis direction, and the bottom ends thereof are fixed on the top ends of the plurality of lower support rods respectively; the plurality of upper connecting rods are arranged along the Y axis direction, and the two ends thereof are fixed on two oppositely arranged upper support rods respectively; the fixed part of the conveying mechanism is fixed on the plurality of lower connecting rods; the fixed part of the upper Y axis moving mechanism is fixed on the plurality of upper connecting rods; and the fixed part of the lower Y axis moving mechanism is fixed on the top end of the base.
[0011] Further, the support frame further comprises a plurality of adjusting feet, and the plurality of adjusting feet are fixed at intervals on the bottom end of the base.
[0012] The further beneficial effect is that the base can be leveled by adjusting the distance between the ground supports fixed on the bottom end of the base, so as to adapt to the uneven working area.
[0013] Further, the conveying mechanism comprises a fixed beam, a movable beam, a width adjusting mechanism, an incoming conveying part, a conveying part in the middle of inspection and an outgoing conveying part, the fixed beam is a fixed part of the conveying mechanism, the fixed beam and the movable beam are arranged along the Y-axis direction and the fixed beam is fixed on a plurality of lower connecting rods; the fixed part of the width adjusting mechanism is fixed on the fixed beam and the adjusting part thereof reciprocates along the Y-axis direction; the movable beam is fixed on the adjusting part of the width adjusting mechanism to be close to or away from the fixed beam; the incoming conveying part, the conveying part in the middle of inspection and the outgoing conveying part are conveying parts of the conveying mechanism and are arranged along the X-axis direction in sequence, the incoming conveying part, the conveying part in the middle of inspection and the outgoing conveying part are two and are oppositely fixed on the fixed beam and the movable beam; the PCB boards are transported on the incoming conveying part, the conveying part in the middle of inspection and the outgoing conveying part along the X-axis direction in sequence.
[0014] The further beneficial effect is that:
[0015] 1. The distance between the movable beam and the fixed beam can be adjusted by the adjusting part of the width adjusting mechanism, so as to adapt to PCB boards of different widths and improve the adaptability and practicability of the detection device.
[0016] 2. The incoming conveying part, the conveying part in the middle of inspection and the outgoing conveying part are installed between the fixed beam and the movable beam, so as to reduce the residence time of PCB conveying and speed up the conveying efficiency of PCB incoming and outgoing.
[0017] Further, the width adjusting mechanism comprises a width adjusting motor, a width adjusting screw rod and a width adjusting nut, the width adjusting motor is a fixed part of the width adjusting mechanism and is fixed on the fixed beam; the width adjusting screw rod is arranged along the X-axis direction and is drivingly connected to the width adjusting motor; the width adjusting nut is an adjusting part of the width adjusting mechanism and is fixed on the movable beam; the width adjusting screw rod is threadedly connected to the width adjusting nut.
[0018] Further, the incoming conveying part, the conveying part in the middle of inspection and the outgoing conveying part are the same in structure and each comprises a conveying motor, a driving sprocket, a driven sprocket and a chain, the conveying motor is fixed on the fixed beam or the movable beam; the driving sprocket and the driven sprocket are rotatably connected to the fixed beam or the movable beam in sequence and the driving sprocket is drivingly connected to the conveying motor; the chain is drivingly connected to the driving sprocket and the driven sprocket; the PCB boards are transported on the two opposite chains along the X-axis direction.
[0019] Further, the driving sprocket of the in-inspection conveying part, the inspection conveying part and the out-inspection conveying part is a driving wheel, the driven sprocket is a driven wheel, and the chain is a belt.
[0020] Further, the conveying mechanism further comprises two clamping cylinders and four blocking cylinders, the two clamping cylinders are fixed on the fixed beam and the movable beam on the two opposite sides of the inspection conveying part, and the piston rods of the two clamping cylinders reciprocate along the Y-axis direction; the four blocking cylinders are divided into two groups, and the blocking cylinders of the two groups are located between the in-inspection conveying part and the inspection conveying part and between the inspection conveying part and the out-inspection conveying part respectively, the two blocking cylinders of each group are fixed on the fixed beam and the movable beam, and the piston rods of the two blocking cylinders reciprocate along the Y-axis direction.
[0021] The above further beneficial effects are:
[0022] 1. The clamping cylinders can clamp the PCB being inspected, improving the stability of the inspection;
[0023] 2. The blocking cylinders can separate the PCBs in the conveying process, improving the efficiency of the inspection.
[0024] Further, the upper Y-axis moving mechanism and the lower Y-axis moving mechanism have the same structure and each comprise a Y-axis motor, a Y-axis screw and a Y-axis nut, the Y-axis motor is a fixed part of the upper Y-axis moving mechanism and the lower Y-axis moving mechanism, the Y-axis motor of the upper Y-axis moving mechanism is fixed on the upper connecting rod, the Y-axis motor of the lower Y-axis moving mechanism is fixed on the top end of the base, the Y-axis screw is arranged along the Y-axis direction and is drivingly connected to the Y-axis motor, the Y-axis nut is a moving part of the upper Y-axis moving mechanism and the lower Y-axis moving mechanism, the Y-axis screw is threadedly connected to the Y-axis nut to drive the Y-axis nut to reciprocate along the Y-axis direction, the fixed part of the upper X-axis moving mechanism is fixed on the Y-axis nut of the upper Y-axis moving mechanism, and the fixed part of the lower X-axis moving mechanism is fixed on the Y-axis nut of the lower Y-axis moving mechanism.
[0025] Further, the upper X-axis moving mechanism and the lower X-axis moving mechanism are identical in structure and each comprises an X-axis motor, an X-axis screw rod and an X-axis nut, the X-axis motor is a fixed part of the upper X-axis moving mechanism and the lower X-axis moving mechanism, the X-axis motor of the upper X-axis moving mechanism is fixed on the Y-axis nut of the upper Y-axis moving mechanism, and the X-axis motor of the lower X-axis moving mechanism is fixed on the Y-axis nut of the lower Y-axis moving mechanism; the X-axis screw rod is arranged along the X-axis direction and is drivingly connected to the X-axis motor; the X-axis nut is a moving part of the upper X-axis moving mechanism and the lower X-axis moving mechanism; the X-axis screw rod is threadedly connected to the X-axis nut to drive the X-axis nut to reciprocatingly move along the X-axis direction; the upper detection mechanism is fixed on the X-axis nut of the upper X-axis moving mechanism, and the lower detection mechanism is fixed on the X-axis nut of the lower X-axis moving mechanism.
[0026] Further, the upper detection mechanism and the lower detection mechanism are identical in structure and each comprises a fixing frame, an industrial camera, an industrial lens and a light source part, the fixing frame is a fixed part of the upper detection mechanism and the lower detection mechanism, the fixing frame of the upper detection mechanism is fixed on the X-axis nut of the upper X-axis moving mechanism, and the fixing frame of the lower detection mechanism is fixed on the X-axis nut of the lower X-axis moving mechanism; the industrial camera is a detection part of the upper detection mechanism and the lower detection mechanism, the industrial camera of the upper detection mechanism is located above the PCB board, the industrial camera of the lower detection mechanism is located below the PCB board, and the industrial camera is fixed on the fixing frame; the industrial lens is fixed on the industrial camera and has a light path communicated with the industrial lens; and the light source part is fixed on the fixing frame and has a light path communicated with the industrial lens.
[0027] Further, the device further comprises a protective cover, which covers the outer periphery of the support frame, the conveying mechanism, the upper Y-axis moving mechanism, the lower Y-axis moving mechanism, the upper X-axis moving mechanism, the lower X-axis moving mechanism, the upper detection mechanism and the lower detection mechanism. BRIEF DESCRIPTION OF DRAWINGS
[0028] Figure 1 FIG. 1 is a perspective view of a PCB double-sided detection device according to the present application;
[0029] Figure 2 FIG. 3 is a front view of an internal structure of a PCB double-sided detection device according to the present application;
[0030] Figure 3 FIG. 4 is a partial enlarged view of part A in FIG. 1; Figure 2
[0031] Figure 4 This is a rear view of the internal structure of a PCB board double-sided inspection device according to the present invention.
[0032] Figure 5 This is a front view of the internal structure of a PCB board double-sided inspection device after removing the upper inspection mechanism, the upper Y-axis moving mechanism and the upper X-axis moving mechanism.
[0033] Figure 6 for Figure 5 A magnified schematic diagram of the local structure at point B;
[0034] Figure 7 This is a rear view of the internal structure of a PCB board double-sided inspection device after removing the upper inspection mechanism, the upper Y-axis moving mechanism and the upper X-axis moving mechanism.
[0035] Figure 8 for Figure 7 A magnified schematic diagram of the structure at point C.
[0036] The attached diagram lists the components represented by each number as follows:
[0037] 1. Support frame; 11. Base; 12. Lower support rod; 13. Lower connecting rod; 14. Upper support rod; 15. Upper connecting rod; 16. Adjustable foot; 2. Conveying mechanism; 21. Fixed beam; 22. Movable beam; 23. Width adjustment mechanism; 231. Width adjustment motor; 232. Width adjustment screw; 24. Incoming inspection conveyor; 25. In-process inspection conveyor; 26. Outgoing inspection conveyor; 27. Conveyor motor; 28. Driven sprocket; 29. Driven sprocket; 210. 1. Chain; 211. Clamping cylinder; 212. Blocking cylinder; 3. Upper Y-axis moving mechanism; 4. Lower Y-axis moving mechanism; 5. Upper X-axis moving mechanism; 6. Lower X-axis moving mechanism; 7. Upper detection mechanism; 8. Lower detection mechanism; 9. PCB board; 10. Y-axis motor; 17. Y-axis lead screw; 18. X-axis motor; 19. X-axis lead screw; 20. Fixture; 30. Industrial camera; 31. Industrial lens; 32. Light source component; 33. Protective cover. Detailed Implementation
[0038] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.
[0039] like Figure 2 As shown, a double-sided PCB inspection device includes: a support frame 1, a conveying mechanism 2, an upper Y-axis moving mechanism 3, a lower Y-axis moving mechanism 4, an upper X-axis moving mechanism 5, a lower X-axis moving mechanism 6, an upper inspection mechanism 7, and a lower inspection mechanism 8.
[0040] The crown axis of the support frame 1 is the X axis, the sagittal axis is the Y axis, and the vertical axis is the Z axis; the fixed part of the conveying mechanism 2 is fixed on the support frame 1, and the conveying part thereof can convey the PCB board 9 along the X axis direction; the upper Y axis moving mechanism 3 and the lower Y axis moving mechanism 4 are located above and below the conveying mechanism 2 respectively, and the fixed parts thereof are both fixed on the support frame 1, and the moving parts thereof both reciprocate along the Y axis direction; the fixed part of the upper X axis moving mechanism 5 is fixed on the moving part of the upper Y axis moving mechanism 3, and the fixed part of the lower X axis moving mechanism 6 is fixed on the moving part of the lower Y axis moving mechanism 4, and the moving parts of the upper X axis moving mechanism 5 and the lower X axis moving mechanism 6 both reciprocate along the X axis direction; the fixed part of the upper detection mechanism 7 is fixed on the moving part of the upper X axis moving mechanism 5, and the fixed part of the lower detection mechanism 8 is fixed on the moving part of the lower X axis moving mechanism 6, and the detection parts of the upper detection mechanism 7 and the lower detection mechanism 8 are correspondingly located above and below the PCB board 9 to synchronously detect the front surface and the back surface of the PCB board 9.
[0041] As shown in Figure 2 or Figure 4 In some specific embodiments, the support frame 1 can include a base 11, a plurality of lower support rods 12, a plurality of lower connecting rods 13, a plurality of upper support rods 14, and a plurality of upper connecting rods 15, the X axis is the crown axis of the base 11, the Y axis is the sagittal axis of the base 11, and the Z axis is the vertical axis of the base 11; the plurality of lower support rods 12 are arranged along the Z axis direction, and the bottom ends thereof are arrayed fixed on the top end of the base 11; the plurality of lower connecting rods 13 are arranged along the Y axis direction, and the two ends thereof are fixed on the two oppositely arranged lower support rods 12 respectively; the plurality of upper support rods 14 are arranged along the Z axis direction, and the bottom ends thereof are fixed on the top ends of the plurality of lower support rods 12 respectively; the plurality of upper connecting rods 15 are arranged along the Y axis direction, and the two ends thereof are fixed on the two oppositely arranged upper support rods 14 respectively; the fixed part of the conveying mechanism 2 is fixed on the plurality of lower connecting rods 13; the fixed part of the upper Y axis moving mechanism 3 is fixed on the plurality of upper connecting rods 15; and the fixed part of the lower Y axis moving mechanism 4 is fixed on the top end of the base 11.
[0042] As shown in Figure 2 or Figure 4 In some specific embodiments, the support frame 1 can further include a plurality of adjusting feet 16, and the plurality of adjusting feet 16 are fixed on the bottom end of the base 11 at intervals.
[0043] As shown in Figure 5 , Figure 6 , Figure 7 and Figure 8As shown in the drawings, in some embodiments, the conveying mechanism 2 can include a fixed beam 21, a movable beam 22, a width adjustment mechanism 23, an incoming conveying section 24, a conveying section in the middle of the inspection, and an outgoing conveying section 26. The fixed beam 21 is a fixed part of the conveying mechanism 2, and the fixed beam 21 and the movable beam 22 are arranged along the Y-axis direction, and the fixed beam 21 is fixed on the plurality of lower connecting rods 13. The fixed part of the width adjustment mechanism 23 is fixed on the fixed beam 21, and the adjustment part thereof reciprocates along the Y-axis direction. The movable beam 22 is fixed on the adjustment part of the width adjustment mechanism 23, so as to be close to or away from the fixed beam 21. The incoming conveying section 24, the conveying section in the middle of the inspection, and the outgoing conveying section 26 are all conveying sections of the conveying mechanism 2 and are sequentially arranged along the X-axis direction. The incoming conveying section 24, the conveying section in the middle of the inspection, and the outgoing conveying section 26 are both two and are fixed relative to the fixed beam 21 and the movable beam 22. The PCB board 9 is sequentially transported on the incoming conveying section 24, the conveying section in the middle of the inspection, and the outgoing conveying section 26 along the X-axis direction.
[0044] As shown in the drawings, Figure 7 in some embodiments, the width adjustment mechanism 23 can include a width adjustment motor 231, a width adjustment screw rod 232, and a width adjustment nut. The width adjustment motor 231 is a fixed part of the width adjustment mechanism 23 and is fixed on the fixed beam 21. The width adjustment screw rod 232 is arranged along the X-axis direction and is drivingly connected to the width adjustment motor 231. The width adjustment nut is an adjustment part of the width adjustment mechanism 23 and is fixed on the movable beam 22. The width adjustment screw rod 232 is threadedly connected to the width adjustment nut.
[0045] As shown in the drawings, Figure 6 and Figure 8 in some embodiments, the incoming conveying section 24, the conveying section in the middle of the inspection, and the outgoing conveying section 26 have the same structure and each include a conveying motor 27, a driving sprocket 28, a driven sprocket 29, and a chain 210. The conveying motor 27 is fixed on the fixed beam 21 or the movable beam 22. The driving sprocket 28 and the driven sprocket 29 are rotatably connected to the fixed beam 21 or the movable beam 22 at intervals, and the driving sprocket 28 is drivingly connected to the conveying motor 27. The chain 210 is drivingly connected to the driving sprocket 28 and the driven sprocket 29. The PCB board 9 is transported on the two opposite chains 210 along the X-axis direction.
[0046] As shown in the drawings, Figure 6 and Figure 8As shown in the drawings, in some embodiments, the conveying mechanism 2 can further include two clamping cylinders 211 and four blocking cylinders 212. The two clamping cylinders 211 are fixed on the fixed beam 21 and the movable beam 22 on the two sides of the conveying part 25 in the inspection, and the piston rods of the two clamping cylinders 211 are reciprocated along the Y-axis direction. The four blocking cylinders 212 are divided into two groups, and the blocking cylinders 212 of the two groups are located between the conveying part 24 and the conveying part 25 in the inspection and between the conveying part 25 and the conveying part 26 out of the inspection, respectively. The two blocking cylinders 212 of each group are fixed on the fixed beam 21 and the movable beam 22, and the piston rods of the two blocking cylinders 212 are reciprocated along the Y-axis direction.
[0047] As shown in the drawings, Figure 2 In some embodiments, the upper Y-axis moving mechanism 3 and the lower Y-axis moving mechanism 4 are the same in structure and can each include a Y-axis motor 10, a Y-axis screw 17 and a Y-axis nut. The Y-axis motor 10 is a fixed part of the upper Y-axis moving mechanism 3 and the lower Y-axis moving mechanism 4. The Y-axis motor 10 of the upper Y-axis moving mechanism 3 is fixed on the upper connecting rod 15. The Y-axis motor 10 of the lower Y-axis moving mechanism 4 is fixed on the top end of the base 11. The Y-axis screw 17 is arranged along the Y-axis direction and is drivingly connected to the Y-axis motor 10. The Y-axis nut is a moving part of the upper Y-axis moving mechanism 3 and the lower Y-axis moving mechanism 4. The Y-axis screw 17 is threadedly connected to the Y-axis nut to drive the Y-axis nut to reciprocate along the Y-axis direction. The fixed part of the upper X-axis moving mechanism 5 is fixed on the Y-axis nut of the upper Y-axis moving mechanism 3. The fixed part of the lower X-axis moving mechanism 6 is fixed on the Y-axis nut of the lower Y-axis moving mechanism 4.
[0048] As shown in the drawings, Figure 2 In some embodiments, the upper X-axis moving mechanism 5 and the lower X-axis moving mechanism 6 are the same in structure and can each include an X-axis motor 18, an X-axis screw 19 and an X-axis nut. The X-axis motor 18 is a fixed part of the upper X-axis moving mechanism 5 and the lower X-axis moving mechanism 6. The X-axis motor 18 of the upper X-axis moving mechanism 5 is fixed on the Y-axis nut of the upper Y-axis moving mechanism 3. The X-axis motor 18 of the lower X-axis moving mechanism 6 is fixed on the Y-axis nut of the lower Y-axis moving mechanism 4. The X-axis screw 19 is arranged along the X-axis direction and is drivingly connected to the X-axis motor 18. The X-axis nut is a moving part of the upper X-axis moving mechanism 5 and the lower X-axis moving mechanism 6. The X-axis screw 19 is threadedly connected to the X-axis nut to drive the X-axis nut to reciprocate along the X-axis direction. The upper detection mechanism 7 is fixed on the X-axis nut of the upper X-axis moving mechanism 5. The lower detection mechanism 8 is fixed on the X-axis nut of the lower X-axis moving mechanism 6.
[0049] As shown in the drawings, Figure 3As shown, the upper detection mechanism 7 and the lower detection mechanism 8 are identical in structure and each comprises a fixing frame 20, an industrial camera 30, an industrial lens 31 and a light source 32, the fixing frame 20 is a fixed part of the upper detection mechanism 7 and the lower detection mechanism 8, the fixing frame 20 of the upper detection mechanism 7 is fixed on the X-axis nut of the upper X-axis moving mechanism 5; the fixing frame 20 of the lower detection mechanism 8 is fixed on the X-axis nut of the lower X-axis moving mechanism 6; the industrial camera 30 is a detection part of the upper detection mechanism 7 and the lower detection mechanism 8, the industrial camera 30 of the upper detection mechanism 7 is located above the PCB board 9, the industrial camera 30 of the lower detection mechanism 8 is located below the PCB board 9, and the industrial camera 30 is fixed on the fixing frame 20; the industrial lens 31 is fixed on the industrial camera 30 and its optical path is communicated; the light source 32 is fixed on the fixing frame 20 and communicated with the optical path of the industrial lens 31.
[0050] As shown in the drawings, Figure 1 In some embodiments, a protective cover 33 is further included, which covers the outer periphery of the support frame 1, the conveying mechanism 2, the upper Y-axis moving mechanism 3, the lower Y-axis moving mechanism 4, the upper X-axis moving mechanism 5, the lower X-axis moving mechanism 6, the upper detection mechanism 7 and the lower detection mechanism 8.
[0051] The above is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A PCB board double-sided detection device, characterized in that, The application relates to a PCB board detection device. The device comprises a support frame (1), a conveying mechanism (2), an upper Y-axis moving mechanism (3), a lower Y-axis moving mechanism (4), an upper X-axis moving mechanism (5), a lower X-axis moving mechanism (6), an upper detection mechanism (7) and a lower detection mechanism (8). The support frame (1) comprises a base (11), a plurality of lower support rods (12), a plurality of lower connecting rods (13), a plurality of upper support rods (14) and a plurality of upper connecting rods (15). The X-axis is the coronal axis of the base (11), the Y-axis is the sagittal axis of the base (11), and the Z-axis is the vertical axis of the base (11). The lower support rods (12) are arranged along the Z-axis direction and the bottom ends of the lower support rods (12) are fixed on the top end of the base (11) in an array mode. The lower connecting rods (13) are arranged along the Y-axis direction and the two ends of the lower connecting rods (13) are fixed on two oppositely arranged lower support rods (12) respectively.
2. The PCB double-sided detection device according to claim 1, characterized in that, The upper support rods (14) are arranged along the Z-axis direction and the bottom ends of the upper support rods (14) are fixed on the top ends of the lower support rods (12) respectively.
3. The PCB double-sided detection device according to claim 2, characterized in that, The upper connecting rods (15) are arranged along the Y-axis direction and the two ends of the upper connecting rods (15) are fixed on two oppositely arranged upper support rods (14) respectively. The fixed part of the conveying mechanism (2) is fixed on the lower connecting rods (13). The fixed part of the upper Y-axis moving mechanism (3) is fixed on the upper connecting rods (15). The fixed part of the lower Y-axis moving mechanism (4) is fixed on the top end of the base (11). The support frame (1) further comprises a plurality of adjusting feet (16) which are fixed on the bottom end of the base (11) in an interval mode.
4. The PCB double-sided detection device according to claim 2, characterized in that, The conveying mechanism (2) comprises a fixed beam (21), a movable beam (22), a width adjusting mechanism (23), an incoming inspection conveying part (24), an inspection conveying part (25) and an outgoing inspection conveying part (26), the fixed beam (21) is a fixed part of the conveying mechanism (2), the fixed beam (21) and the movable beam (22) are arranged along the Y-axis direction and the fixed beam (21) is fixed on a plurality of the lower connecting rods (13); the fixed part of the width adjusting mechanism (23) is fixed on the fixed beam (21) and the adjusting part thereof reciprocates along the Y-axis direction; the movable beam (22) is fixed on the adjusting part of the width adjusting mechanism (23) to be close to or away from the fixed beam (21); the incoming inspection conveying part (24), the inspection conveying part (25) and the outgoing inspection conveying part (26) are conveying parts of the conveying mechanism (2) and are sequentially arranged along the X-axis direction, the incoming inspection conveying part (24), the inspection conveying part (25) and the outgoing inspection conveying part (26) are two and are oppositely fixed on the fixed beam (21) and the movable beam (22); the PCB board (9) is sequentially transported on the incoming inspection conveying part (24), the inspection conveying part (25) and the outgoing inspection conveying part (26) along the X-axis direction.
5. The PCB double-sided detection device according to claim 4, characterized in that, The width adjusting mechanism (23) comprises a width adjusting motor (231), a width adjusting screw rod (232) and a width adjusting nut, the width adjusting motor (231) is a fixed part of the width adjusting mechanism (23) and is fixed on the fixed beam (21); the width adjusting screw rod (232) is arranged along the X-axis direction and is drivingly connected on the width adjusting motor (231); the width adjusting nut is an adjusting part of the width adjusting mechanism (23) and is fixed on the movable beam (22); the width adjusting screw rod (232) is threadedly connected on the width adjusting nut.
6. The PCB double-sided detection device according to claim 4, wherein, The incoming inspection conveying part (24), the inspection conveying part (25) and the outgoing inspection conveying part (26) are the same in structure and each comprises a conveying motor (27), a driving sprocket (28), a driven sprocket (29) and a chain (210), the conveying motor (27) is fixed on the fixed beam (21) or the movable beam (22); the driving sprocket (28) and the driven sprocket (29) are rotatably connected on the fixed beam (21) or the movable beam (22) at intervals and the driving sprocket (28) is drivingly connected with the conveying motor (27); the chain (210) is drivingly connected on the driving sprocket (28) and the driven sprocket (29); the PCB board (9) is transported on two opposite chains (210) along the X-axis direction.
7. The PCB double-sided detection device according to claim 4, wherein, The conveying mechanism (2) further comprises two clamping cylinders (211) and four blocking cylinders (212), the two clamping cylinders (211) are fixed on the fixed beam (21) and the movable beam (22) on the two sides of the middle conveying part (25) respectively, and the piston rods of the two clamping cylinders (211) reciprocate along the Y-axis direction; the four blocking cylinders (212) are divided into two groups, and the blocking cylinders (212) of the two groups are located between the middle conveying part (25) and the in-conveying conveying part (24) and the middle conveying part (25) and the out-conveying conveying part (26) respectively, and the blocking cylinders (212) of each group are fixed on the fixed beam (21) and the movable beam (22) and the piston rods thereof reciprocate along the Y-axis direction.
8. The PCB double-sided detection device according to claim 2, wherein, The upper Y-axis moving mechanism (3) and the lower Y-axis moving mechanism (4) are the same in structure and each comprise a Y-axis motor (10), a Y-axis screw (17) and a Y-axis nut, the Y-axis motor (10) is a fixed part of the upper Y-axis moving mechanism (3) and the lower Y-axis moving mechanism (4), the Y-axis motor (10) of the upper Y-axis moving mechanism (3) is fixed on the upper connecting rod (15); the Y-axis motor (10) of the lower Y-axis moving mechanism (4) is fixed on the top end of the base (11); the Y-axis screw (17) is arranged along the Y-axis direction and is drivingly connected to the Y-axis motor (10); the Y-axis nut is a moving part of the upper Y-axis moving mechanism (3) and the lower Y-axis moving mechanism (4); the Y-axis screw (17) is threadedly connected to the Y-axis nut to drive the Y-axis nut to reciprocate along the Y-axis direction; the fixed part of the upper X-axis moving mechanism (5) is fixed on the Y-axis nut of the upper Y-axis moving mechanism (3); and the fixed part of the lower X-axis moving mechanism (6) is fixed on the Y-axis nut of the lower Y-axis moving mechanism (4).
9. The PCB double-sided detection device according to claim 8, wherein, The upper X-axis moving mechanism (5) and the lower X-axis moving mechanism (6) are the same in structure and each include an X-axis motor (18), an X-axis screw rod (19) and an X-axis nut, the X-axis motor (18) is a fixed part of the upper X-axis moving mechanism (5) and the lower X-axis moving mechanism (6), the X-axis motor (18) of the upper X-axis moving mechanism (5) is fixed on the Y-axis nut of the upper Y-axis moving mechanism (3), and the X-axis motor (18) of the lower X-axis moving mechanism (6) is fixed on the Y-axis nut of the lower Y-axis moving mechanism (4); the X-axis screw rod (19) is arranged along the X-axis direction and is drivingly connected to the X-axis motor (18); the X-axis nut is a moving part of the upper X-axis moving mechanism (5) and the lower X-axis moving mechanism (6); the X-axis screw rod (19) is threadedly connected to the X-axis nut to drive the X-axis nut to reciprocatingly move along the X-axis direction; the upper detection mechanism (7) is fixed on the X-axis nut of the upper X-axis moving mechanism (5), and the lower detection mechanism (8) is fixed on the X-axis nut of the lower X-axis moving mechanism (6).
10. The PCB double-sided detection device according to claim 9, wherein, The upper detection mechanism (7) and the lower detection mechanism (8) are the same in structure and each include a fixed frame (20), an industrial camera (30), an industrial lens (31) and a light source (32), the fixed frame (20) is a fixed part of the upper detection mechanism (7) and the lower detection mechanism (8), the fixed frame (20) of the upper detection mechanism (7) is fixed on the X-axis nut of the upper X-axis moving mechanism (5); the fixed frame (20) of the lower detection mechanism (8) is fixed on the X-axis nut of the lower X-axis moving mechanism (6); the industrial camera (30) is a detection part of the upper detection mechanism (7) and the lower detection mechanism (8), the industrial camera (30) of the upper detection mechanism (7) is located above the PCB (9), the industrial camera (30) of the lower detection mechanism (8) is located below the PCB (9), and the industrial camera (30) is fixed on the fixed frame (20); the industrial lens (31) is fixed on the industrial camera (30) and has a light path in communication; and the light source (32) is fixed on the fixed frame (20) and has a light path in communication with the industrial lens (31).
Citation Information
Patent Citations
PCB board automatic flipping inspection equipment
CN110072337B