Multi-layer circuit board AOI double-sided detection device

Abstract

The utility model discloses a multilayer circuit board AOI double-sided detection device which comprises a bottom plate, the top of the bottom plate is fixedly connected with a support, and one side of the support is fixedly connected with a motor. Belongs to the technical field of detection devices. According to the multi-layer circuit board AOI double-sided detection device, a circuit board is placed on a placement plate, then a motor is started to drive a rotating plate to rotate, a sliding rod drives a circular plate to rotate, the circular plate drives an ejector rod to slide out of a groove in a circular disc and extrudes the circular disc, the circular disc drives a pressing block to press a clamping plate downwards through a push rod, and the circuit board is clamped in the clamping plate. A sliding rod can extrude the inner wall of a sliding groove and drive a swing plate to swing, the swing plate drives a first gear to rotate through a first rotating shaft, the first gear finally drives a second rotating shaft to rotate through a second gear, and therefore the circuit board is driven to turn over, and automatic clamping and turning over of the circuit board are achieved; the whole operation is more coherent, and the detection efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection device technical field more specifically, relate to a kind of multilayer circuit board AOI double-sided detection device. BACKGROUND

[0002] AOI is a new type of testing technology emerging, when automatically detecting, machine is scanned PCB by camera, image is collected, and the welding point of test is compared with the qualified parameter in database, after image processing, the defect on PCB is checked, and the defect is shown or marked by display or automatic mark, for repair personnel to modify.

[0003] Chinese patent discloses patent No. CN202221718688.3 a kind of PCB circuit board double-sided AOI detection device, the utility model can make first fixed frame move by drive mechanism, it is convenient to the circuit board main body of different length is fixed, by drive motor and shaft can make first fixed frame and second fixed frame rotate, so that circuit board main body can be turned over, so that the other side of circuit board main body can be detected, without manual turning over clamping, it is convenient and fast, but still there is certain problem, the detection device needs to be placed into second fixed frame in circuit board before detection, then manually screwing the screw of left and right two different positions, to complete the clamping of circuit board, it is not very convenient to operate, also not enough coherent, so as to affect detection efficiency. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of multilayer circuit board AOI double-sided detection device to solve the problems raised in the above background art:

[0005] Some detection devices need to be placed into second fixed frame in circuit board before detection, then manually screwing the screw of left and right two different positions, to complete the clamping of circuit board, it is not very convenient to operate, also not enough coherent, so as to affect detection efficiency.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a kind of multilayer circuit board AOI double-sided detection device, including bottom plate, the top of the bottom plate is fixedly connected with support, the side of the support is fixedly connected with motor, the other side of the support is rotatably connected with rotating plate, the output of the rotating plate is fixedly connected with motor, the outside of the support and above rotating plate rotatably connected with first rotation axis, the outside of the first rotation axis is fixedly connected with swing plate, the inside of the swing plate is equipped with sliding slot, the inside of the sliding slot is slidably connected with slide rod, motor drives rotating plate to rotate, rotating plate drives slide rod to extrude sliding slot inner wall, to drive swing plate swing, swing plate is driven circuit board to overturn again using first gear and second gear, the slide rod is fixedly connected with rotating plate, the outside of the first rotation axis is fixedly connected with first gear, the top of the bottom plate is fixedly connected with support plate, the inside of the support plate is rotatably connected with second rotation axis, the outside of the second rotation axis is fixedly connected with second gear, the second gear is meshingly connected with first gear, the outside of the second rotation axis is provided with clamping mechanism, transmission mechanism is arranged between the clamping mechanism and support, and the clamping mechanism is automatically clamped to circuit board by transmission mechanism.

[0008] Preferably, the clamping mechanism includes a placement plate, the placement plate is fixedly connected with the second shaft, a clamping plate is provided above the placement plate, a fixed rod is slidably connected inside the clamping plate, the fixed rod is fixedly connected with the placement plate, a first spring is sleeved outside the fixed rod and between the placement plate and the clamping plate, and the clamping plate cooperates with the placement plate to compress the circuit board.

[0009] Preferably, the outside of the slide rod is fixedly connected with a circular plate, the outside of the circular plate is fixedly connected with a top rod, a pressing block is slidably connected inside the second shaft, a second spring is fixedly connected between the pressing block and the second shaft, the pressing block cooperates with the clamping plate, a push rod is slidably connected inside the second shaft, the push rod is fixedly connected with the pressing block, the other end of the push rod is fixedly connected with a disc, a recess is formed in the inside of the disc, the recess cooperates with the top rod, the circular plate and the output shaft of the motor are on the same central axis, initially, the top rod on the circular plate is located in the recess, when the motor starts, the circular plate rotates, thereby driving the top rod to slide out of the recess and extruding the disc.

[0010] Preferably, the bottom of the support is fixedly connected with a CCD camera, the top of the support is fixedly connected with a control panel, the motor and the CCD camera are electrically connected with the control panel, and the control panel is used to supply power to the electrical equipment by external power supply.

[0011] Preferably, the placement plate is in U-shaped structure, and the U-shaped placement plate does not block the circuit board after overturning.

[0012] Preferably, the push rod has a square cross-section. A push rod with a square cross-section can limit its own movement, so that the push rod can only slide back and forth within the second rotating shaft and will not twist.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] The circuit board is placed on the placement plate, and then the motor is started, which drives the rotating plate to rotate. The slide rod drives the circular plate to rotate, and the circular plate drives the push rod to slide out of the groove on the disc and squeeze the disc. The disc then drives the pressure block through the push rod to press down on the clamping plate, so that the clamping plate clamps the circuit board on the placement plate. The slide rod also squeezes the inner wall of the slide groove, causing the swing plate to swing. The swing plate drives the first gear to rotate through the first rotating shaft, and the first gear finally drives the second rotating shaft to rotate through the second gear, thereby causing the circuit board to flip. This realizes the automatic clamping and flipping of the circuit board, making the overall operation more seamless and helping to improve the testing efficiency. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the placement plate of this utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the swing plate of this utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the disc of this utility model;

[0019] Figure 5 This is a cross-sectional schematic diagram of the second rotating shaft of this utility model;

[0020] Figure 6 This is a schematic diagram of the top rod of this utility model.

[0021] The following are the labels in the diagram: 1. Base plate; 2. Bracket; 3. Motor; 4. Rotating plate; 5. First rotating shaft; 6. Swinging plate; 7. Slide groove; 8. Slide rod; 9. First gear; 10. Support plate; 11. Second rotating shaft; 12. Second gear; 13. Clamping mechanism; 14. Transmission mechanism; 15. Placement plate; 16. Clamping plate; 17. Fixing rod; 18. First spring; 19. Circular plate; 20. Top rod; 21. Pressure block; 22. Second spring; 23. Push rod; 24. Disc; 25. Groove; 26. CCD camera; 27. Control panel. Detailed Implementation

[0022] 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.

[0023] Please see Figures 1 to 6 A multilayer circuit board AOI double-sided inspection device includes a base plate 1, a bracket 2 fixedly connected to the top of the base plate 1, a motor 3 fixedly connected to one side of the bracket 2, and a rotating plate 4 rotatably connected to the other side of the bracket 2. The rotating plate 4 is fixedly connected to the output end of the motor 3. A first rotating shaft 5 is rotatably connected to the outside of the bracket 2 and above the rotating plate 4. A swing plate 6 is fixedly connected to the outside of the first rotating shaft 5. A groove 7 is formed inside the swing plate 6, and a sliding rod 8 is slidably connected inside the groove 7. The motor 3 drives the rotating plate 4 to rotate, and the rotating plate 4 drives the sliding rod 8 to press against the inner wall of the groove 7, thereby causing the swing plate 6 to swing. The circuit board is then rotated by the first gear 9 and the second gear 12. The slide rod 8 is fixedly connected to the rotating plate 4. The first gear 9 is fixedly connected to the outside of the first rotating shaft 5. The support plate 10 is fixedly connected to the top of the base plate 1. The second rotating shaft 11 is rotatably connected inside the support plate 10. The second gear 12 is fixedly connected to the outside of the second rotating shaft 11. The second gear 12 meshes with the first gear 9. A clamping mechanism 13 is provided outside the second rotating shaft 11. A transmission mechanism 14 is provided between the clamping mechanism 13 and the bracket 2. The transmission mechanism 14 drives the clamping mechanism 13 to automatically clamp the circuit board without manual operation.

[0024] Furthermore, the clamping mechanism 13 includes a placement plate 15, which is fixedly connected to the second rotating shaft 11. A clamping plate 16 is provided above the placement plate 15. A fixing rod 17 is slidably connected inside the clamping plate 16. The fixing rod 17 is fixedly connected to the placement plate 15. A first spring 18 is sleeved on the outside of the fixing rod 17 and located between the placement plate 15 and the clamping plate 16. The clamping plate 16, in conjunction with the placement plate 15, can press the circuit board firmly to prevent it from falling off when flipped.

[0025] Furthermore, a circular plate 19 is fixedly connected to the outside of the slide bar 8, and a top rod 20 is fixedly connected to the outside of the circular plate 19. A pressure block 21 is slidably connected inside the second rotating shaft 11, and a second spring 22 is fixedly connected between the pressure block 21 and the second rotating shaft 11. The pressure block 21 works in conjunction with the clamping plate 16. A push rod 23 is slidably connected inside the second rotating shaft 11, and the push rod 23 is fixedly connected to the pressure block 21. A disc 24 is fixedly connected to the other end of the push rod 23. A groove 25 is provided inside the disc 24, and the groove 25 works in conjunction with the top rod 20. The circular plate 19 and the output shaft of the motor 3 are on the same central axis. Initially, the top rod 20 on the circular plate 19 is located in the groove 25. When the motor 3 starts, the circular plate 19 rotates, thereby driving the top rod 20 to slide out from the groove 25 and squeeze the disc 24. The disc 24 then drives the pressure block 21 to press down on the clamping plate 16 through the push rod 23.

[0026] Furthermore, a CCD camera 26 is fixedly connected to the bottom of the bracket 2, and a control panel 27 is fixedly connected to the top of the bracket 2. The motor 3 and the CCD camera 26 are both electrically connected to the control panel 27 and powered by an external power supply. The control panel 27 is used to power the electrical equipment.

[0027] Furthermore, the placement plate 15 has a U-shaped structure, and the U-shaped placement plate 15 will not obstruct the circuit board after the circuit board is flipped.

[0028] Furthermore, the push rod 23 has a square cross-section, which can limit its own movement, allowing it to slide back and forth within the second rotating shaft 11 without twisting or affecting the second spring 22.

[0029] The steps of using this utility model are as follows: When using this multi-layer circuit board AOI double-sided inspection device, place the circuit board to be inspected on the placement plate 15, and then start the motor 3. The motor 3 will directly drive the rotating plate 4 to rotate, and the rotating plate 4 will drive the slide rod 8 to make a circular motion. On one hand, the slide rod 8 drives the circular plate 19 to rotate, and the circular plate 19 drives the top rod 20 to slide out from the groove 25 on the disc 24 and squeeze the disc 24. The disc 24 will drive the pressure block 21 to press down on the clamping plate 16 through the push rod 23, so that the clamping plate 16 clamps the circuit board on the placement plate 15. On the other hand, the slide rod 8 will squeeze the inner wall of the slide groove 7, causing the swing plate 6 to swing. The swing plate 6 drives the first gear 9 to rotate through the first rotating shaft 5. The first gear 9 finally drives the second rotating shaft 11 to rotate through the second gear 12, thereby causing the circuit board to flip. This realizes the automatic clamping and flipping of the circuit board, and the overall operation is more smooth, which helps to improve the inspection efficiency.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A multilayer circuit board AOI double-sided detection device, comprising a bottom plate (1), the top of the bottom plate (1) is fixedly connected with a support (2), characterized in that: One side of the support (2) is fixedly connected with a motor (3), the other side of the support (2) is rotatably connected with a rotating plate (4), the rotating plate (4) is fixedly connected with the output end of the motor (3), the outside of the support (2) and above the rotating plate (4) is rotatably connected with a first rotating shaft (5), the outside of the first rotating shaft (5) is fixedly connected with a swing plate (6), the inside of the swing plate (6) is provided with a sliding groove (7), the sliding groove (7) is slidably connected with a sliding rod (8), the sliding rod (8) is fixedly connected with the rotating plate (4), the outside of the first rotating shaft (5) is fixedly connected with a first gear (9), the top of the bottom plate (1) is fixedly connected with a supporting plate (10), the inside of the supporting plate (10) is rotatably connected with a second rotating shaft (11), the outside of the second rotating shaft (11) is fixedly connected with a second gear (12), the second gear (12) is meshedly connected with the first gear (9), the outside of the second rotating shaft (11) is provided with a clamping mechanism (13), and the clamping mechanism (13) and the support (2) are provided with a transmission mechanism (14).

2. The multi-layer circuit board AOI double-sided detection device according to claim 1, characterized in that: The clamping mechanism (13) comprises a placing plate (15), the placing plate (15) is fixedly connected with the second rotating shaft (11), the top of the placing plate (15) is provided with a clamping plate (16), the inside of the clamping plate (16) is slidably connected with a fixing rod (17), the fixing rod (17) is fixedly connected with the placing plate (15), and the outside of the fixing rod (17) and between the placing plate (15) and the clamping plate (16) is sleeved with a first spring (18).

3. The multi-layer circuit board AOI double-sided detection device according to claim 1, characterized in that: The outside of the sliding rod (8) is fixedly connected with a circular plate (19), the outside of the circular plate (19) is fixedly connected with a jacking rod (20), the inside of the second rotating shaft (11) is slidably connected with a pressing block (21), the second rotating shaft (11) and the pressing block (21) are fixedly connected with a second spring (22), the pressing block (21) is used in cooperation with the clamping plate (16), the inside of the second rotating shaft (11) is slidably connected with a push rod (23), the push rod (23) is fixedly connected with the pressing block (21), the other end of the push rod (23) is fixedly connected with a disc (24), the inside of the disc (24) is provided with a groove (25), and the groove (25) is used in cooperation with the jacking rod (20).

4. The multi-layer circuit board AOI double-sided detection device according to claim 1, characterized in that: The bottom of the support (2) is fixedly connected with a CCD camera (26), the top of the support (2) is fixedly connected with a control panel (27), and the motor (3) and the CCD camera (26) are electrically connected with the control panel (27).

5. The multi-layer circuit board AOI double-sided detection device according to claim 2, characterized in that: The placing plate (15) is a U-shaped structure.

6. The multi-layer circuit board AOI double-sided detection device according to claim 3, characterized in that: The push rod (23) is a square structure in cross section.

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