阅读说明：本技术 一种基于多角度光源的部件外观亮面检测系统及方法 (System and method for detecting bright surface of part appearance based on multi-angle light source ) 是由 游旭新 于 2019-09-25 设计创作，主要内容包括：本发明公开一种基于多角度光源的部件外观亮面检测系统及方法,包括基座,所述基座的内部的上方设有高清相机,且高清相机等距排列有多组,所述基座内部的中间位置处转动安装有若干横向光源,且基座内部的下方转动安装有若干纵向光源,所述横向光源的一端延伸出基座设有第一齿轮,所述基座一侧的上方设有第一直线滑轨；本发明通过纵向光源和横向光源分别不同角度来回扫射,并配合十五个高清相机,在不同的光源扫射角度下做多次抓拍,使手机或其他电子或塑料产品的外形的瑕疵点在不同光线下充分展示出来,不同角度、不同方向的打光方式,充分提取出不良品的瑕疵特征,让成像更加清晰,更加明显。(The invention discloses a part appearance bright surface detection system and method based on multi-angle light sources, and the system comprises a base, wherein high-definition cameras are arranged above the inside of the base and are arranged in groups at equal intervals, a plurality of transverse light sources are rotatably arranged at the middle position inside the base, a plurality of longitudinal light sources are rotatably arranged below the inside of the base, one end of each transverse light source extends out of the base and is provided with a first gear, and a first linear slide rail is arranged above one side of the base; according to the invention, the longitudinal light source and the transverse light source respectively scan back and forth at different angles, fifteen high-definition cameras are matched, and multiple snapshots are taken under different light source scanning angles, so that the appearance flaw points of the mobile phone or other electronic or plastic products are fully displayed under different light rays, and the flaw characteristics of the defective products are fully extracted in different angles and different directions in a polishing mode, so that the imaging is clearer and more obvious.)

1. The utility model provides a part outward appearance bright surface detecting system based on multi-angle light source, includes base (1), its characterized in that: the high-definition camera (2) is arranged above the interior of the base (1), a plurality of groups of high-definition cameras (2) are arranged at equal intervals, a plurality of transverse light sources (3) are rotatably installed at the middle position of the interior of the base (1), a plurality of longitudinal light sources (4) are rotatably installed below the interior of the base (1), one end of each transverse light source (3) extends out of the base (1) and is provided with a first gear (5), a first linear slide rail (6) is arranged above one side of the base (1), a first rack (7) is movably installed on each first linear slide rail (6) through a sliding block, the first rack (7) is matched with the first gear (5), one end of each longitudinal light source (4) extends out of the base (1) and is provided with a second gear (8), a second linear slide rail (9) is arranged above one end of the base (1), and a second rack (10) is movably installed on each second linear slide rail (9) through a sliding block, the second rack (10) is matched with the second gear (8).

2. The system for detecting the bright surface of the appearance of the component based on the multi-angle light source as claimed in claim 1, wherein: the high-definition camera (2) is provided with fifteen groups, the transverse light sources (3) are provided with four groups, and the longitudinal light sources (4) are provided with six groups.

3. The system for detecting the bright surface of the appearance of the component based on the multi-angle light source as claimed in claim 1, wherein: one end, far away from first gear (5), of a set of horizontal light source (3) extends base (1) and is equipped with first transmission synchronizing wheel (11), one side at base (1) top is equipped with first step motor (12), first transmission synchronizing wheel (11) are connected through the belt to the output of first step motor (12).

4. The system for detecting the bright surface of the appearance of the component based on the multi-angle light source as claimed in claim 1, wherein: one end of the longitudinal light source (4) far away from the second gear (8) extends out of the base (1) to be provided with a second transmission synchronizing wheel (13), one end of the top of the base (1) is provided with a second stepping motor (14), and the output end of the second stepping motor (14) is connected with the second transmission synchronizing wheel (13) through a belt.

5. The system for detecting the bright surface of the appearance of the component based on the multi-angle light source as claimed in claim 1, wherein: one side of the base (1) is provided with a first limit switch (15), the first limit switch (15) is matched with the first rack (7), one end of the base (1) is provided with a second limit switch (16), and the second limit switch (16) is matched with the second rack (10).

6. A part appearance bright surface detection method based on a multi-angle light source is characterized by comprising the following steps: the method comprises the following steps:

the method comprises the following steps: the first transmission synchronizing wheel (11) is driven to rotate through the first stepping motor (12), so that one group of transverse light sources (3) rotate, the first gear (5) of the group of transverse light sources (3) drives the first rack (7) to move along the first linear sliding rail (6), so that other first gears (5) are driven to rotate, other groups of transverse light sources (3) synchronously rotate to synchronously scan back and forth, and meanwhile, the first limit switch (15) is started to serve as an initial origin of the transverse light sources (3);

step two: a second step motor (14) drives a second transmission synchronizing wheel (13) to rotate, so that a group of longitudinal light sources (4) rotate, a second gear (8) of the group of longitudinal light sources (4) drives a second rack (10) to move along a second linear sliding rail (9), so that other second gears (8) are driven to rotate, other groups of longitudinal light sources (4) synchronously rotate to synchronously scan back and forth, and meanwhile, a second limit switch (16) is started to serve as an initial origin of the longitudinal light sources (4);

step three: when the longitudinal light source (4) and the transverse light source (3) respectively scan back and forth at different angles, fifteen high-definition cameras (2) are started, nine times of snapshot is carried out at different light source scanning angles, so that the appearance flaw points of mobile phones or other electronic or plastic products are fully displayed under different light rays, and then the detection results of the products are realized through software comparison in the machine.

7. The method for detecting the bright surface of the appearance of the component based on the multi-angle light source as claimed in claim 6, wherein: in the first step, the transverse light source (3) synchronously rotates to synchronously scan back and forth at 60 degrees, and in the second step, the longitudinal light source (4) synchronously rotates to synchronously scan back and forth at 60 degrees.

Technical Field

The invention relates to the technical field of detection equipment, in particular to a system and a method for detecting the appearance bright surface of a component based on a multi-angle light source.

Background

The appearance detection of the mobile phone shell often has the bad characteristic that defects cannot be extracted when the mobile phone shell is polished from a single direction, particularly the scratch defects of the mobile phone shell are difficult to distinguish from one direction, so that the defects of products cannot be completely detected by the conventional CCD detection equipment;

at present, the pixels of the applicable camera are too low, the imaging of the camera shell is not clear, and the requirements of flaw detection and judgment cannot be met, but the frame rate or the photographing speed of the camera cannot meet the detection requirements while the pixels of the camera are improved, so the invention provides a part appearance bright surface detection system and method based on a multi-angle light source to solve the problems in the prior art.

Disclosure of Invention

In order to solve the problems, the invention provides a part appearance bright surface detection system and method based on a multi-angle light source, the part appearance bright surface detection system and method based on the multi-angle light source respectively scans longitudinal light sources and transverse light sources back and forth at different angles and performs multiple times of snapshot under different light source scanning angles by matching with fifteen high-definition cameras, so that the appearance flaw points of mobile phones or other electronic or plastic products are fully displayed under different light rays, and the flaw characteristics of defective products are fully extracted in different angles and different directions in a lighting mode, so that the imaging is clearer and more obvious.

In order to solve the above problems, the present invention provides a system and a method for detecting the bright surface of a component appearance based on a multi-angle light source, comprising a base, a high definition camera arranged above the inside of the base, and the high-definition cameras are arranged in groups at equal intervals, a plurality of transverse light sources are rotatably arranged at the middle position in the base, and a plurality of longitudinal light sources are rotatably arranged below the interior of the base, one end of each transverse light source extends out of the base and is provided with a first gear, a first linear slide rail is arranged above one side of the base, and a first rack is movably arranged on the first linear slide rail through a slide block, the first rack is matched with the first gear, a second gear is arranged at one end of the longitudinal light source and extends out of the base, a second linear slide rail is arranged above one end of the base, and a second rack is movably arranged on the second linear slide rail through a sliding block and is matched with the second gear.

The further improvement lies in that: the high definition camera is equipped with fifteen groups, horizontal light source is equipped with four groups, vertical light source is equipped with six groups.

The further improvement lies in that: one end of the transverse light source, which is far away from the first gear, extends out of the base to be provided with a first transmission synchronizing wheel, one side of the top of the base is provided with a first stepping motor, and the output end of the first stepping motor is connected with the first transmission synchronizing wheel through a belt.

The further improvement lies in that: one end of the longitudinal light source, which is far away from the second gear, extends out of the base to form a second transmission synchronizing wheel, one end of the top of the base is provided with a second stepping motor, and the output end of the second stepping motor is connected with the second transmission synchronizing wheel through a belt.

The further improvement lies in that: one side of base is equipped with first limit switch, and first limit switch cooperatees with first rack, the one end of base is equipped with second limit switch, and second limit switch cooperatees with the second rack.

A part appearance bright surface detection method based on a multi-angle light source comprises the following steps:

the method comprises the following steps: the first stepping motor drives the first transmission synchronous wheel to rotate, so that one group of transverse light sources rotate, the first gear of the group of transverse light sources drives the first rack to move along the first linear sliding rail, so that other first gears are driven to rotate, other groups of transverse light sources synchronously rotate to perform synchronous back-and-forth scanning, and meanwhile, the first limit switch is started to serve as an initial origin of the transverse light sources;

step two: the second stepping motor drives the second transmission synchronous wheel to rotate, so that one group of longitudinal light sources rotate, the second gear of the group of longitudinal light sources drives the second rack to move along the second linear sliding rail, so that other second gears are driven to rotate, other groups of longitudinal light sources synchronously rotate to perform synchronous back-and-forth scanning, and meanwhile, the second limit switch is started to serve as the starting original point of the longitudinal light sources;

step three: when the longitudinal light source and the transverse light source respectively scan back and forth at different angles, fifteen high-definition cameras are started, nine times of snapshot is carried out at different light source scanning angles, so that the appearance flaw points of the mobile phone or other electronic or plastic products are fully displayed under different light rays, and then the detection results of the products are realized through software comparison in the machine.

The further improvement lies in that: in the first step, the transverse light source rotates synchronously and performs 60-degree synchronous back-and-forth scanning, and in the second step, the longitudinal light source rotates synchronously and performs 60-degree synchronous back-and-forth scanning.

The invention has the beneficial effects that: the invention respectively scans the longitudinal light source and the transverse light source back and forth at different angles, and is matched with fifteen high-definition cameras to take a plurality of times of candid shots under different light source scanning angles, so that flaw points of the appearance of a mobile phone or other electronic or plastic products are fully displayed under different light rays, and the flaw characteristics of defective products are fully extracted in different angles and different directions in a polishing mode, so that the imaging is clearer and more obvious.

Drawings

FIG. 1 is a bottom schematic view of the present invention;

FIG. 2 is a perspective side view of the present invention;

fig. 3 is a perspective side view of the present invention.

Wherein: 1. a base; 2. a high definition camera; 3. a lateral light source; 4. a longitudinal light source; 5. a first gear; 6. a first linear slide rail; 7. a first rack; 8. a second gear; 9. a second linear slide rail; 10. a second rack; 11. a first drive synchronizing wheel; 12. a first stepper motor; 13. a second driving synchronizing wheel; 14. a second stepping motor; 15. a first limit switch; 16. and a second limit switch.

Detailed Description

In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

According to fig. 1, 2 and 3, the embodiment provides a system for detecting the appearance bright surface of a component based on a multi-angle light source, which comprises a base 1, wherein a high-definition camera 2 is arranged above the inside of the base 1, a plurality of groups of high-definition cameras 2 are arranged at equal intervals, a plurality of transverse light sources 3 are rotatably arranged at the middle position inside the base 1, a plurality of longitudinal light sources 4 are rotatably arranged below the inside of the base 1, one end of each transverse light source 3 extends out of the base 1 and is provided with a first gear 5, a first linear slide rail 6 is arranged above one side of the base 1, a first rack 7 is movably arranged on the first linear slide rail 6 through a sliding block, the first rack 7 is matched with the first gear 5, one end of each longitudinal light source 4 extends out of the base 1 and is provided with a second gear 8, a second linear slide rail 9 is arranged above one end of the base 1, and a second rack 10 is movably arranged on the second linear slide, the second rack 10 is adapted to the second gear wheel 8.

The high-definition camera 2 is provided with fifteen groups, the transverse light sources 3 are provided with four groups, and the longitudinal light sources 4 are provided with six groups.

For those skilled in the art, based on the present disclosure, the number and arrangement of the high definition camera 2, the horizontal light source 3 and the vertical light source 4 may be modified, which is covered by the present invention.

One end of the transverse light source 3, which is far away from the first gear 5, extends out of the base 1 to form a first transmission synchronizing wheel 11, one side of the top of the base 1 is provided with a first stepping motor 12, and the output end of the first stepping motor 12 is connected with the first transmission synchronizing wheel 11 through a belt.

One end of the longitudinal light source 4 far away from the second gear 8 extends out of the base 1 to form a second transmission synchronizing wheel 13, one end of the top of the base 1 is provided with a second stepping motor 14, and the output end of the second stepping motor 14 is connected with the second transmission synchronizing wheel 13 through a belt.

One side of base 1 is equipped with first limit switch 15, and first limit switch 15 cooperatees with first rack 7, the one end of base 1 is equipped with second limit switch 16, and second limit switch 16 cooperatees with second rack 10.

A part appearance bright surface detection method based on a multi-angle light source comprises the following steps:

the method comprises the following steps: the first stepping motor 12 drives the first transmission synchronizing wheel 11 to rotate, so that one group of transverse light sources 3 rotate, the first gear 5 of the group of transverse light sources 3 drives the first rack 7 to move along the first linear sliding rail 6, so that other first gears 5 are driven to rotate, other groups of transverse light sources 3 synchronously rotate to synchronously scan at 60 degrees back and forth, and meanwhile, the first limit switch 15 is started to serve as an initial origin of the transverse light sources 3;

step two: the second stepping motor 14 drives the second transmission synchronizing wheel 13 to rotate, so that one group of longitudinal light sources 4 rotate, the second gear 8 of the group of longitudinal light sources 4 drives the second rack 10 to move along the second linear sliding rail 9, so that other second gears 8 are driven to rotate, other groups of longitudinal light sources 4 synchronously rotate to synchronously scan at 60 degrees back and forth, and meanwhile, the second limit switch 16 is started to serve as the starting original point of the longitudinal light sources 4;

step three: when the longitudinal light source 4 and the transverse light source 3 respectively scan back and forth at different angles, fifteen high-definition cameras 2 are started, nine times of snapshot is carried out at different light source scanning angles, so that appearance flaws of mobile phones or other electronic or plastic products are fully displayed under different light rays, and then the detection results of the products are realized through software comparison in the machine.

The part appearance bright surface detection system and the method based on the multi-angle light source respectively scan back and forth at different angles through the longitudinal light source 4 and the transverse light source 3, and are matched with the fifteen high-definition cameras 2 to carry out a plurality of times of snapshot under different light sources, so that the appearance flaw points of a mobile phone or other electronic or plastic products are fully displayed under different light rays, the flaw characteristics of defective products are fully extracted by adopting lighting modes at different angles and different directions, the imaging is clearer and more obvious, in addition, the proper single high-definition camera 2 pixels are adopted, the number of the high-definition cameras 2 is increased, the multi-camera cooperative work is realized, the area of each camera which is responsible for shooting is reduced, thus, the clear picture can be shot by using smaller pixels, the pixel requirements are improved and met, the shooting frame rate is also ensured, and the front multi-angle and multi-direction lighting is matched, the detection time requirement is ensured.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.