A PCB thickness optical fast non-contact flexible measurement device

Abstract

The invention relates to the technical field of PCB thickness, and discloses an optical fast non-contact flexible measurement device for PCB thickness, comprising a lower frame, a base is arranged above the lower frame, a belt feeding device is arranged on the base, a mounting seat is arranged on one side of the belt feeding device, a first horizontal moving device is arranged on one side of the mounting seat, a first lifting driving device is arranged at the driving end of the first horizontal moving device, and a first suction cup mounting seat is arranged at the driving end of the first lifting driving device. The device can place a PCB board on the belt feeding device through the provided belt feeding device, and then cooperate with the first horizontal moving device and the horizontal driving component to realize automatic detection, and can automatically separate and transport qualified products and unqualified products through the second horizontal moving device, so that both the detection efficiency and the sorting efficiency are improved, and the problem of large labor workload, being unfavorable for batch detection, and low detection efficiency in the prior art is solved.

Description

Technical Field

[0001] The invention relates to the technical field of PCB board thickness, and in particular to an optical fast non-contact flexible measurement device for PCB board thickness. Background Art

[0002] In the process of industrial PCB production, the thickness of PCB gold finger, PCB oil film thickness, and the thickness of the broken edge of the outer shape are extremely important, which directly affect the communication performance of PCB, the insulation performance of PCB and the interface size of PCB. Industrial PCB has different sizes due to different usage scenarios and applications.

[0003] In the prior art, the thickness of the gold finger, the ink thickness and the thickness of the broken edge of the PCB are tested during the PCB production process. Generally, the PCB board is manually placed in the device for testing, and only a single point or fixed multi-point detection can be performed each time. This not only requires a lot of labor, but is also not conducive to batch testing, resulting in low testing efficiency. Summary of the invention

[0004] The purpose of the present invention is to solve the problems existing in the prior art and to propose an optical fast non-contact flexible measurement device for PCB board thickness.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A PCB thickness optical fast non-contact flexible measuring device comprises a lower frame, a base is arranged above the lower frame, a belt-type feeding device is arranged on the base, a mounting seat is arranged on one side of the belt-type feeding device, a first horizontal moving device is arranged on one side of the mounting seat, a first lifting driving device is arranged at a driving end of the first horizontal moving device, and a first suction cup mounting seat is arranged at a driving end of the first lifting driving device; A horizontal driving assembly is arranged on one side of the mounting seat, a moving platform is arranged on the driving end of the horizontal driving assembly, a detection seat is arranged on one side of the horizontal driving assembly, and detection assemblies are arranged on the detection seat and the base, and the two detection assemblies are respectively located on the upper and lower sides of the moving platform; A material moving rack is provided on one side of the detection seat, and two second horizontal moving devices are provided on the material moving rack. The driving ends of the two second horizontal moving devices are respectively provided with a second lifting driving device and a third lifting driving device, and the driving ends of the second lifting driving device and the third lifting driving device are both provided with a second suction cup mounting seat; A first belt-type discharging device and a second belt-type discharging device are provided on one side of the material transfer rack, and a paper padding seat is provided on one side of the first belt-type discharging device.

[0006] Preferably, a plurality of sealing plates are arranged above the base, and the plurality of sealing plates are arranged around the top of the base, and a feed port is arranged on one side of one of the sealing plates, and two discharge ports are arranged on one side of one of the sealing plates, and the belt loading device and the first belt discharging device and the second belt discharging device pass through the feed port and the two discharge ports respectively.

[0007] Preferably, the horizontal drive assembly includes two placement seats, two first slide rails, a servo motor and a screw rod, the two placement seats are arranged on a base, the two first slide rails are respectively arranged on one side of the corresponding placement seats, the first sliders are slidably arranged in the two first slide rails, the servo motor is arranged on one side of the placement seat, the screw rod is rotatably arranged in one of the first slide rails, and the screw rod passes through the corresponding first slider and is spirally connected to the first slider, the driving end of the servo motor passes through the placement seat and is fixedly connected to one side of the screw rod, and the moving platform is arranged above the two first sliders.

[0008] Preferably, second slide rails are provided on both sides above the movable platform, two second sliders are slidably provided on the two second slide rails, cross bars are provided between the four second sliders, and both sides of the cross bars are respectively located on the second sliders on different second slide rails, and limit blocks are provided on one side of the two cross bars.

[0009] Preferably, a protective pad is provided above the moving platform.

[0010] Preferably, a plurality of connecting rods are arranged above the paper pad seat, and the plurality of connecting rods are arranged in a rectangular array on the paper pad seat.

[0011] Preferably, a height sensor is disposed on one side of the first lifting drive device, the second lifting drive device and the third lifting drive device, and the height sensor is a laser sensor.

[0012] Compared with the prior art, the present invention has the following beneficial effects: The present invention, through the provided belt loading device, can place the PCB board processed by other machines on the belt loading device, move it to the bottom of the first suction cup mounting seat through the belt loading device, adsorb the PCB board through the suction cup on the first suction cup mounting seat, and then drive the first lifting drive device to move through the first horizontal moving device, move the PCB board to the moving platform, drive the moving platform to one side of the material moving rack through the horizontal driving component, make the material moving rack pass under the detection component, and detect its thickness through the detection component. When the detected product is qualified, the PCB board can be adsorbed by the suction cup under the second suction cup mounting seat, and then drive the second lifting drive device to move to the first belt discharging device through the second horizontal moving device, and before that, the third lifting drive device can be driven to move to the first belt discharging device. The driving device drives the suction cup adsorbing the pad paper under the second suction cup mounting seat to place it on the first belt discharging device, and then places the qualified products on the first belt discharging device for discharging. If it is detected as unqualified, the second lifting driving device is driven by the second horizontal moving device to move it to the second belt discharging device for discharging. Compared with the prior art, the device can place the PCB board on the belt loading device through the set belt loading device, and then cooperate with the first horizontal moving device and the horizontal driving component to realize automatic detection, and the second horizontal moving device can automatically separate and transport qualified products and unqualified products, which not only improves the detection efficiency, but also improves the sorting efficiency, and solves the problem of large labor workload and being not conducive to batch detection in the prior art, resulting in low detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is an overall schematic diagram of an optical fast non-contact flexible measurement device for PCB thickness proposed by the present invention; Figure 2 This is an internal schematic diagram of a PCB thickness optical fast non-contact flexible measurement device proposed by the present invention; Figure 3 The present invention proposes a PCB thickness optical fast non-contact flexible measurement device Figure 2 A magnified schematic diagram; Figure 4 A top plan view of a base of a PCB thickness optical fast non-contact flexible measurement device proposed by the present invention; Figure 5 This is a schematic diagram of the detection component of a PCB thickness optical fast non-contact flexible measurement device proposed by the present invention.

[0014] In the figure: 1. lower frame; 2. base; 3. belt loading device; 4. mounting seat; 5. first horizontal moving device; 6. first lifting drive device; 7. first suction cup mounting seat; 8. moving platform; 9. detection seat; 10. detection assembly; 11. material moving rack; 12. second horizontal moving device; 13. second lifting drive device; 14. third lifting drive device; 15. second suction cup mounting seat; 16. sealing plate; 17. feeding port; 18. placing seat; 19. first slide rail; 20. servo motor; 21. screw rod; 22. first slider; 23. second slider; 24. second slider; 25. cross bar; 26. connecting rod; 27. first belt discharging device; 28. second belt discharging device; 29. ​​paper pad seat; 30. limit block. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0016] Reference Figures 1 to 4 , an optical fast non-contact flexible measuring device for the thickness of a PCB board, comprising a lower frame 1, a base 2 is arranged above the lower frame 1, a belt-type feeding device 3 is arranged on the base 2, a mounting seat 4 is arranged on one side of the belt-type feeding device 3, a first horizontal moving device 5 is arranged on one side of the mounting seat 4, a first lifting driving device 6 is arranged at the driving end of the first horizontal moving device 5, and a first suction cup mounting seat 7 is arranged at the driving end of the first lifting driving device 6; A horizontal driving assembly is provided on one side of the mounting seat 4, a moving platform 8 is provided on the driving end of the horizontal driving assembly, a detection seat 9 is provided on one side of the horizontal driving assembly, and detection assemblies 10 are provided on the detection seat 9 and the base 2. The two detection assemblies 10 are respectively located on the upper and lower sides of the moving platform 8. The detection seat 9 is installed on the base 2 through two support rods. By adjusting the height of the support rods, the detection assembly 10 can adapt to products of any size within the specification range. ; A material moving rack 11 is provided on one side of the detection seat 9, and two second horizontal moving devices 12 are provided on the material moving rack 11, and the driving ends of the two second horizontal moving devices 12 are respectively provided with a second lifting driving device 13 and a third lifting driving device 14, and the driving ends of the second lifting driving device 13 and the third lifting driving device 14 are both provided with a second suction cup mounting seat 15; A first belt discharging device 27 and a second belt discharging device 28 are provided on one side of the material transfer rack 11 , and a paper pad 29 is provided on one side of the first belt discharging device 27 .

[0017] When the device is in use, the PCB board processed by other machines can be placed on the belt loading device 3, and moved to the bottom of the first suction cup mounting seat 7 by the belt loading device 3, and the PCB board is adsorbed by the suction cup on the first suction cup mounting seat 7, and then the first horizontal moving device 5 drives the first lifting drive device 6 to move, and the PCB board is moved to the moving table 8, and the moving table 8 is driven by the horizontal driving component to move to one side of the material moving rack 11, so that the material moving rack 11 passes under the detection component 10, and the thickness is detected by the detection component 10. When the detected product is qualified, the PCB board can be adsorbed by the suction cup under the second suction cup mounting seat 15, and then the second lifting drive device 13 can be driven by the second horizontal moving device 12 to move to the first belt discharging device 27. Before this, the third lifting drive can be used to move the material moving rack 11 to the bottom of the detection component 10. The device 14 drives the suction cup under the second suction cup mounting seat 15 to absorb the pad paper and place it on the first belt discharging device 27, and then places the qualified products on the first belt discharging device 27 for discharging. If it is detected as unqualified, the second lifting drive device 13 is driven by the second horizontal moving device 12 to move it to the second belt discharging device 28 for discharging. Compared with the prior art, the device can place the PCB board on the belt loading device 3 through the set belt loading device 3, and then cooperate with the first horizontal moving device 5 and the horizontal driving component to realize automatic detection, and the second horizontal moving device 12 can automatically separate and transport qualified products and unqualified products, which not only improves the detection efficiency, but also improves the sorting efficiency, and solves the problem of high labor workload and inconvenience for batch detection in the prior art, resulting in low detection efficiency.

[0018] The above device can be used in conjunction with other machines to form an assembly line type automated production line, or it can be used alone for manual loading and unloading production.

[0019] The first horizontal moving device 5, the first lifting drive device 6, the second horizontal moving device 12, the second lifting drive device 13 and the third lifting drive device 14 all include a rotating motor, a threaded rod, a slider and a slide rail. The rotating motor drives the threaded rod to rotate, and drives the slider to move on the slide rail, so that the device installed on one side of the slider can be driven to move up and down or horizontally.

[0020] The detection component 10 is a 3D linear array laser scanning camera. The laser 3D thickness gauge adopts a triangulated laser measurement method. The laser is vertically irradiated on the object and reflected back to the acquisition window. The vertical laser point position is calculated according to the reflection angle position, so as to obtain the relative distance between the camera and the object. Multiple groups of 3D laser cameras are used to shoot up and down, scan the product in a mirrored manner, and obtain the product depth image (such as Figure 5 As shown in the figure), the actual thickness of the product is measured through algorithm analysis. Combined with the industry's highest precision imaging system and high-performance processor, PCB thickness detection becomes more accurate and efficient.

[0021] Furthermore, a plurality of sealing plates 16 are arranged above the base 2, and the plurality of sealing plates 16 are arranged around the top of the base 2, and a feed port 17 is arranged on one side of one of the sealing plates 16, and two discharge ports are arranged on one side of one of the sealing plates 16. The belt loading device 3 and the first belt discharge device 27 and the second belt discharge device 28 pass through the feed port 17 and the two discharge ports respectively. Through the plurality of sealing plates 16, the device above the base 2 can be protected, and through the feed port 17, other devices can be connected so that the PCB board can be directly transported to the belt loading device 3, and qualified products and unqualified products can be discharged respectively through the two discharge ports.

[0022] Further, the horizontal drive assembly includes two placement seats 18, two first slide rails 19, a servo motor 20 and a screw rod 21. The two placement seats 18 are arranged on the base 2, and the two first slide rails 19 are respectively arranged on one side of the corresponding placement seats 18. The first sliders 22 are slidably arranged in the two first slide rails 19. The servo motor 20 is arranged on one side of the placement seat 18. The screw rod 21 is rotatably arranged in one of the first slide rails 19, and the screw rod 21 passes through the corresponding first slider 22 and is spirally connected to the first slider 22. The driving end of the servo motor 20 passes through the placement seat 18 and is fixedly connected to one side of the screw rod 21. The moving platform 8 is arranged above the two first sliders 22. The servo motor 20 can drive the screw rod 21 to rotate, and the first slider 22 is driven to move on the first slide rail 19 through the screw rod 21, thereby driving the moving platform 8 to move. In this way, the moving platform 8 can be driven to pass through the detection component 10, so that the detection component 10 can detect the PCB board on the moving platform 8.

[0023] Furthermore, second rails 23 are provided on both sides above the moving platform 8, two second sliders 24 are slidably provided on the two second rails 23, cross bars 25 are provided between the four second sliders 24, and the two sides of the cross bars 25 are respectively located on the second sliders 24 on different second rails 23, and one side of the two cross bars 25 is provided with a limit block 30, and one side of several second sliders 24 is provided with a bolt, the bolt passes through the second slider 24 and movably abuts against the second rail 23, and the bolt is spirally connected to the second slider 24, and the second slider 24 is driven to move on the second rail 23 by moving the cross bar 25, and the distance between the two cross bars 25 is adjusted to install PCB boards of different sizes, and the cross bar 25 can be fixed by the provided bolts to prevent the cross bar 25 from moving and damaging the PCB board.

[0024] Furthermore, a protective pad is provided above the moving platform 8, and the protective pad can avoid scratches on the upper and lower circuit surfaces of the PCB board to the greatest extent.

[0025] Furthermore, a plurality of connecting rods 26 are provided above the paper pad seat 29, and the plurality of connecting rods 26 are arranged in a rectangular array on the paper pad seat 29. Through the provided connecting rods 26, the pad paper can be placed between the plurality of connecting rods 26 to prevent the pad paper from being displaced and affecting the taking of the pad paper.

[0026] Furthermore, a height sensor is provided on one side of the first lifting drive device 6, the second lifting drive device 13 and the third lifting drive device 14. The height sensor is a laser sensor. The height of the PCB board can be detected by the provided height sensor, so that the first suction cup mounting seat 7 and the second suction cup mounting seat 15 can be lowered to a suitable position by the first lifting drive device 6 and the second lifting drive device 13 to adsorb the PCB board.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An optical fast non-contact flexible measurement device for PCB thickness, comprising a lower frame (1), characterized in that: A base (2) is arranged above the lower frame (1), a belt-type feeding device (3) is arranged on the base (2), a mounting seat (4) is arranged on one side of the belt-type feeding device (3), a first horizontal moving device (5) is arranged on one side of the mounting seat (4), a first lifting driving device (6) is arranged at the driving end of the first horizontal moving device (5), and a first suction cup mounting seat (7) is arranged at the driving end of the first lifting driving device (6); A horizontal driving component is disposed on one side of the mounting seat (4), a moving platform (8) is disposed on the driving end of the horizontal driving component, a detection seat (9) is disposed on one side of the horizontal driving component, and detection components (10) are disposed on the detection seat (9) and the base (2), and the two detection components (10) are respectively located on the upper and lower sides of the moving platform (8); A material moving rack (11) is provided on one side of the detection seat (9), and two second horizontal moving devices (12) are provided on the material moving rack (11), and the driving ends of the two second horizontal moving devices (12) are respectively provided with a second lifting driving device (13) and a third lifting driving device (14), and the driving ends of the second lifting driving device (13) and the third lifting driving device (14) are both provided with a second suction cup mounting seat (15); A first belt-type discharging device (27) and a second belt-type discharging device (28) are provided on one side of the material transfer rack (11), and a paper pad (29) is provided on one side of the first belt-type discharging device (27).

2. The optical fast non-contact flexible measurement device for PCB thickness according to claim 1 is characterized in that: A plurality of sealing plates (16) are arranged above the base (2), the plurality of sealing plates (16) are arranged around the top of the base (2), and a feed port (17) is arranged on one side of one of the sealing plates (16), and two discharge ports are arranged on one side of one of the sealing plates (16), and the belt-type feeding device (3) and the first belt-type discharge device (27) and the second belt-type discharge device (28) pass through the feed port (17) and the two discharge ports respectively.

3. The optical fast non-contact flexible measurement device for PCB thickness according to claim 1 is characterized in that: The horizontal drive assembly comprises two placement seats (18), two first slide rails (19), a servo motor (20) and a screw rod (21); the two placement seats (18) are arranged on a base (2); the two first slide rails (19) are respectively arranged on one side of the corresponding placement seats (18); a first slider (22) is slidably arranged in each of the two first slide rails (19); the servo motor (20) is arranged on one side of the placement seat (18); the screw rod (21) is rotatably arranged in one of the first slide rails (19); the screw rod (21) passes through the corresponding first slider (22) and is spirally connected to the first slider (22); the driving end of the servo motor (20) passes through the placement seat (18) and is fixedly connected to one side of the screw rod (21); and the moving platform (8) is arranged above the two first sliders (22).

4. The optical fast non-contact flexible measurement device for PCB thickness according to claim 1 is characterized in that: Second slide rails (23) are provided on both sides above the moving platform (8), two second slide blocks (24) are slidably provided on the two second slide rails (23), cross bars (25) are provided between two of the four second slide blocks (24), and both sides of the cross bars (25) are respectively located on the second slide blocks (24) on different second slide rails (23), and one side of the two cross bars (25) is provided with a limit block (30).

5. The optical fast non-contact flexible measurement device for PCB thickness according to claim 1, characterized in that: A protective pad is arranged above the moving platform (8).

6. The optical fast non-contact flexible measurement device for PCB thickness according to claim 1, characterized in that: A plurality of connecting rods (26) are arranged above the paper pad seat (29), and the plurality of connecting rods (26) are arranged in a rectangular array on the paper pad seat (29).

7. The optical fast non-contact flexible measurement device for PCB thickness according to claim 1 is characterized in that: A height sensor is provided on one side of each of the first lifting drive device (6), the second lifting drive device (13) and the third lifting drive device (14), and the height sensor is a laser sensor.

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