CN217484217U

CN217484217U - Detection device for PCB detection machine

Info

Publication number: CN217484217U
Application number: CN202220954433.0U
Authority: CN
Inventors: 唐金洲
Original assignee: Shenzhen Huayan Xinchuang Technology Co ltd
Current assignee: Huayan Tianchuang Zhuhai Technology Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-09-23
Anticipated expiration: 2032-04-24

Abstract

The utility model discloses a detection device for PCB board detects machine, including the carriage, the top of carriage is equipped with first conveying mechanism and second conveying mechanism side by side, be equipped with the clearance between first conveying mechanism and the second conveying mechanism, the clearance forms the detection zone, the top of detection zone is equipped with first visual camera lens, first visual camera lens is towards the direction setting of being close to the detection zone, the below of detection zone is equipped with second visual camera lens, second visual camera lens is towards the direction setting of being close to the detection zone, just the axial centerline of second visual camera lens is located same straight line with the axial centerline of first visual camera lens. The utility model provides a detection device for PCB board detects machine carries the in-process of PCB board, can detect the positive and negative of PCB board simultaneously, improves detection efficiency.

Description

Detection device for PCB detection machine

Technical Field

The utility model relates to a PCB board detects technical field, especially relates to a detection device for PCB board detects machine.

Background

The printed circuit board, also known as printed circuit board, short for printed board, and short for PCB, is an important electronic component, which is a support for electronic components. The PCB needs to be detected after printing, and whether the printing on the front side and the back side of the PCB is complete and correct is detected. The existing PCB detection generally comprises the steps of firstly placing PCBs with the front faces upward on a conveying belt one by one, detecting the front faces of the PCBs through a visual detection mechanism above the conveying belt in the conveying process, then turning the PCBs to enable the reverse faces of the PCBs to face upward, and then detecting the reverse faces of the PCBs through another visual detection mechanism, so that the comprehensive detection of the PCBs is completed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detection device for PCB board detects machine carries the in-process of PCB board, can detect the positive and negative of PCB board simultaneously, improves detection efficiency.

The utility model discloses a technical scheme that is used for detection device of PCB board detection machine to adopt is:

the utility model provides a detection apparatus for be used for PCB board to detect machine, includes the carriage, the top of carriage is equipped with first conveying mechanism and second conveying mechanism side by side, be equipped with the clearance between first conveying mechanism and the second conveying mechanism, the clearance forms the detection zone, the top of detection zone is equipped with first visual camera lens, first visual camera lens is towards the direction setting of being close to the detection zone, the below of detection zone is equipped with second visual camera lens, second visual camera lens is towards the direction setting of being close to the detection zone, just the axial centerline of second visual camera lens is located same straight line with the axial centerline of first visual camera lens.

As preferred scheme, the top level of detection zone is equipped with first mounting panel, the bottom side of first mounting panel is located to first vision camera lens, just the contained angle of first vision camera lens and first mounting panel is minus 150 degrees to minus 30 degrees, the below level of detection zone is equipped with the second mounting panel, the top side of second mounting panel is located to the second vision camera lens, the contained angle of second vision camera lens and second mounting panel is plus 30 degrees to plus 150 degrees.

Preferably, the bottom side of the first mounting plate is provided with a first level gauge, and the top side of the second mounting plate is provided with a second level gauge.

Preferably, the first visual lens and the second visual lens are binocular lenses.

As a preferred scheme, first conveying mechanism includes first drive roll, first driven voller, first motor and material loading belt, second conveying mechanism includes second drive roll, second driven voller, second motor and unloading belt, the top of carriage is located in proper order to first drive roll, first driven voller, second driven voller and second drive roll, the output and the first drive roll fixed connection of first motor, the material loading belt is around the surface of locating first drive roll and first driven voller, the output and the second drive roll fixed connection of second motor, the unloading belt is around the surface of locating second drive roll and second driven voller, the unloading belt is located the coplanar with the material loading belt, the detection zone is located between unloading belt and the material loading belt.

As a preferred scheme, the material of material loading belt and unloading belt is PVC, and the surface of material loading belt and the surface of unloading belt all coat and have the silica gel layer.

The utility model discloses a detection device for PCB board detects machine's beneficial effect is: the PCB board is placed on the first conveying mechanism and moves towards the direction close to the second conveying mechanism through the first conveying mechanism, when one end of the PCB board enters a detection area, the first vision lens above the gap starts to detect the upper surface of the PCB board, the second vision lens below the gap starts to detect the lower surface of the PCB board, along with the movement of the PCB board, the first vision lens gradually detects the upper surface of the PCB board, the second vision lens gradually detects the lower surface of the PCB board until the whole PCB board passes through the detection area and enters the second conveying mechanism, the first vision lens finishes the detection of the whole upper surface of the PCB board, the second vision lens finishes the detection of the whole lower surface of the PCB board, whether the printing is complete or correct is judged according to the detection results of the first vision lens and the second vision lens, in addition, the axial center line of the second vision lens and the axial center line of the first vision lens are positioned on the same straight line, whether the hole sites which need to be corresponding to the upper surface and the lower surface of the PCB are correctly corresponding or not can be detected, the PCB does not need to be turned, the operation is simple and convenient, and the detection efficiency is high.

Drawings

Fig. 1 is a schematic structural diagram of the detection device for the PCB board detection machine of the present invention.

10. A carriage; 11. a detection zone; 21. a first vision lens; 22. a second vision lens; 31. a first mounting plate; 32. a second mounting plate; 41. a first level; 42. a second level; 51. a first drive roll; 52. a first driven roller; 53. a first motor; 54. a feeding belt; 61. a second driven roller; 62. a second drive roll; 63. a second motor; 64. and (7) blanking a belt.

Detailed Description

The invention will be further elucidated and described with reference to the following embodiments and drawings in which:

referring to fig. 1, a detection device for a PCB detection machine includes a conveying frame 10, a first conveying mechanism and a second conveying mechanism are arranged on the top end of the conveying frame 10 side by side, a gap is arranged between the first conveying mechanism and the second conveying mechanism, the gap forms a detection area 11, a first visual lens 21 is arranged above the detection area 11, the first visual lens 21 is arranged in a direction close to the detection area 11, a second visual lens 22 is arranged below the detection area 11, the second visual lens 22 is arranged in a direction close to the detection area 11, and an axial center line of the second visual lens 22 and an axial center line of the first visual lens 21 are located on the same straight line.

The PCB is placed on the first conveying mechanism and moves towards the direction close to the second conveying mechanism through the first conveying mechanism, when one end of the PCB enters the detection area 11, the first visual lens 21 above the gap starts to detect the upper surface of the PCB, the second visual lens 22 below the gap starts to detect the lower surface of the PCB, along with the movement of the PCB, the first visual lens 21 gradually detects the upper surface of the PCB, the second visual lens 22 gradually detects the lower surface of the PCB until the whole PCB passes through the detection area 11 and enters the second conveying mechanism, the first visual lens 21 completes the detection of the whole upper surface of the PCB, the second visual lens 22 completes the detection of the whole lower surface of the PCB, whether the printing is complete or correct is judged by combining the detection results of the first visual lens 21 and the second visual lens 22, in addition, the axial center line of the second visual lens 22 and the axial center line of the first visual lens 21 are positioned on the same straight line, whether the hole sites which need to be corresponding to the upper surface and the lower surface of the PCB are correctly corresponding or not can be detected, the PCB does not need to be turned over, the operation is simple and convenient, and the detection efficiency is high.

Specifically, the top level of detection zone 11 is equipped with first mounting panel 31, the bottom side of first mounting panel 31 is located to first vision camera lens 21, just first vision camera lens 21 is minus 150 degrees to minus 30 degrees with the contained angle of first mounting panel 31, the below level of detection zone 11 is equipped with second mounting panel 32, the top side of second mounting panel 32 is located to second vision camera lens 22, the contained angle of second vision camera lens 22 and second mounting panel 32 is plus 30 degrees to plus 150 degrees.

When first visual lens 21 and second visual lens 22 slope sets up, can detect the condition of PCB board upper hole inner wall, it is corresponding, when the contained angle of first visual lens 21 and first mounting panel 31 is minus 150 degrees, the contained angle of second visual lens 22 and second mounting panel 32 is plus 30 degrees, when the contained angle of first visual lens 21 and first mounting panel 31 is minus 30 degrees, the contained angle of second visual lens 22 and second mounting panel 32 is plus 150 degrees, in this embodiment, the contained angle of first visual lens 21 and first mounting panel 31 is minus 45 degrees, the contained angle of second visual lens 22 and second mounting panel 32 is plus 135 degrees.

Specifically, the bottom side of the first mounting plate 31 is provided with a first level 41, and the top side of the second mounting plate 32 is provided with a second level 42. The first level gauge 41 and the second level gauge 42 can detect whether the first mounting plate 31 and the second mounting plate 32 are horizontally mounted or not respectively, so that the mounting positions can be adjusted in time.

Specifically, the first visual lens 21 and the second visual lens 22 are binocular lenses. The binocular lens is high in shooting precision and small in error.

Specifically, the first conveying mechanism comprises a first driving roller 51, a first driven roller 52, a first motor 53 and a feeding belt 54, the second conveying mechanism comprises a second driving roller 62, a second driven roller 61, a second motor 63 and a discharging belt 64, the first driving roller 51, the first driven roller 52, the second driven roller 61 and the second driving roller 62 are sequentially arranged at the top end of the conveying frame 10, the output end of the first motor 53 is fixedly connected with the first driving roller 51, the feeding belt 54 is wound on the surfaces of the first driving roller 51 and the first driven roller 52, the output end of the second motor 63 is fixedly connected with the second driving roller 62, the blanking belt 64 is wound on the surfaces of the second driving roller 62 and the second driven roller 61, the blanking belt 64 and the feeding belt 54 are located on the same plane, and the detection area 11 is located between the blanking belt 64 and the feeding belt 54.

The PCB is placed on the feeding belt 54, the first motor 53 drives the first driving roller 51 to rotate, thereby driving the feeding belt 54 to rotate around the surfaces of the first driving roller 51 and the first driven roller 52, and further driving the PCB to move towards the direction close to the discharging belt 64, when one end of the PCB enters the detection area 11, the first visual lens 21 and the second visual lens 22 start to detect the upper surface and the lower surface of the PCB, along with the movement of the PCB, the first visual lens 21 and the second visual lens 22 gradually complete the detection of the whole upper surface and the lower surface of the PCB until the PCB enters the discharging belt 64, the second motor 63 drives the second driving roller 62 to rotate, thereby driving the discharging belt 64 to rotate around the surfaces of the second driving roller 62 and the second driven roller 61, and further driving the PCB to move towards the direction far away from the feeding belt 54, and finally the detected PCB is taken down.

Specifically, the material of the feeding belt 54 and the material of the discharging belt 64 are both PVC, and the outer surfaces of the feeding belt 54 and the discharging belt 64 are coated with silica gel layers. The PVC material conveying belt has good elasticity, is not easy to deform, has high strength, and is friction-resistant and aging-resistant; the silica gel layer can increase the frictional force between material loading belt 54 and unloading belt 64 and the PCB board, is convenient for carry the PCB board.

The utility model provides a detection device for a PCB board detector, a PCB board is placed on a first conveying mechanism and moves towards a direction close to a second conveying mechanism through the first conveying mechanism, when one end of the PCB board enters a detection area, a first vision lens above a gap starts to detect the upper surface of the PCB board, a second vision lens below the gap starts to detect the lower surface of the PCB board, the first vision lens gradually detects the upper surface of the PCB board along with the movement of the PCB board, the second vision lens gradually detects the lower surface of the PCB board until the whole PCB board passes through the detection area and enters a second conveying mechanism, the first vision lens finishes the detection of the whole upper surface of the PCB board, the second vision lens finishes the detection of the whole lower surface of the PCB board, whether the printing is complete or correct is judged by combining the detection results of the first vision lens and the second vision lens, in addition, the axial central line of the second vision lens and the axial central line of the first vision lens are positioned on the same straight line, whether the hole sites which need to be corresponding to the upper surface and the lower surface of the PCB are correctly corresponding or not can be detected, the PCB does not need to be turned, the operation is simple and convenient, and the detection efficiency is high.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a detection apparatus for be used for PCB board to detect machine, a serial communication port, including the carriage, the top of carriage is equipped with first conveying mechanism and second conveying mechanism side by side, be equipped with the clearance between first conveying mechanism and the second conveying mechanism, the clearance forms the detection zone, the top of detection zone is equipped with first visual lens, first visual lens sets up towards the direction of being close to the detection zone, the below of detection zone is equipped with second visual lens, second visual lens sets up towards the direction of being close to the detection zone, just the axial centerline of second visual lens is located same straight line with the axial centerline of first visual lens.

2. The inspecting device according to claim 1, wherein a first mounting plate is horizontally disposed above the inspecting area, the first vision lens is disposed on a bottom side of the first mounting plate, and the first vision lens and the first mounting plate form an angle of minus 150 degrees to minus 30 degrees, a second mounting plate is horizontally disposed below the inspecting area, the second vision lens is disposed on a top side of the second mounting plate, and the second vision lens and the second mounting plate form an angle of plus 30 degrees to plus 150 degrees.

3. The inspecting apparatus for PCB inspection machine of claim 2, wherein the first mounting plate is provided with a first level on a bottom side thereof and the second mounting plate is provided with a second level on a top side thereof.

4. The inspecting device of claim 1, wherein the first and second vision lenses are binocular lenses.

5. The inspecting apparatus for PCB board inspecting machine according to claim 1, the first conveying mechanism comprises a first driving roller, a first driven roller, a first motor and a feeding belt, the second conveying mechanism comprises a second driving roller, a second driven roller, a second motor and a discharging belt, the first driving roller, the first driven roller, the second driven roller and the second driving roller are sequentially arranged at the top end of the conveying frame, the output end of the first motor is fixedly connected with the first driving roller, the feeding belt is wound on the surfaces of the first driving roller and the first driven roller, the output end of the second motor is fixedly connected with the second driving roller, the blanking belt is wound on the surfaces of the second driving roller and the second driven roller, the blanking belt and the feeding belt are located on the same plane, and the detection area is located between the blanking belt and the feeding belt.

6. The detecting device for the PCB detecting machine according to claim 5, wherein the material of the feeding belt and the material of the discharging belt are both PVC, and the outer surfaces of the feeding belt and the discharging belt are coated with silica gel layers.