CN215656514U - Surface defect and size detection device of workpiece - Google Patents
Surface defect and size detection device of workpiece Download PDFInfo
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- CN215656514U CN215656514U CN202121465803.6U CN202121465803U CN215656514U CN 215656514 U CN215656514 U CN 215656514U CN 202121465803 U CN202121465803 U CN 202121465803U CN 215656514 U CN215656514 U CN 215656514U
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Abstract
The utility model relates to a device for detecting surface defects and sizes of workpieces at one time, which has high detection efficiency and high automation degree. The advantages are that: the device for detecting the surface defects and the sizes of the workpieces can detect the surface defects and the sizes of the workpieces at one time, and has high detection efficiency; and a transplanting manipulator and a sorting mechanism are additionally arranged in the workpiece surface defect and size detection device, so that the automation degree of the workpiece surface defect and size detection device is improved.
Description
Technical Field
The utility model relates to a device for detecting surface defects and sizes of workpieces, which can detect the surface defects and sizes of the workpieces at one time, has high detection efficiency and high automation degree, and belongs to the technical field of detection.
Background
CN 110208290A, name "a 3D curved surface glass defect detecting device based on line scanning camera, including support and 3D glass, the support is internally provided with a piece placing platform, the lower end of the piece placing platform is provided with a precise rotating device used for obliquely placing the piece platform from side to side, the lower end of the precise rotating device is provided with a lifting shaft used for driving the piece placing platform and the precise rotating device to move up and down, the support is arranged at the lower end of the precise rotating device and is provided with a transversely arranged translation shaft, the translation shaft and the precise rotating device are distributed in a T-shaped structure, the lower end of the lifting shaft is arranged on a sliding table of the translation shaft, two side faces of the support are respectively and transversely provided with a strip-shaped opening used for positioning, two sides of the sliding table are respectively provided with a positioning rod opposite to the strip-shaped opening, one end of the positioning rod passes through the strip-shaped opening, the upper end of the support is respectively provided with a line light source and a line scanning camera, the line light source ensures that the surface of the measured object is sufficiently and uniformly illuminated, the line scanning camera is used for shooting each surface of the 3D glass, and a controller is installed on one side of the support. The line scanning camera is arranged vertically downwards and is arranged opposite to the 3D glass, and the line light source is arranged obliquely and is arranged opposite to the 3D glass. One side of translation axle installs a first encoder, and one side of lift axle installs a second encoder, installs the linkage of first encoder and line scanning camera on the translation axle, installs the linkage of second encoder and line scanning camera at the lift axle, and first, second encoder, lift axle, translation axle and accurate rotating device are all controlled by the controller. One end of the line scanning camera is electrically connected with a computer through a data line, and the computer synthesizes data into a complete clear picture through splicing synthesis software. The locating lever is the setting of cylindrical structure, and the outer wall of locating lever all offsets with the internal face of location mouth, and the both sides of bar mouth all are the setting of arc structure. The surface of the workpiece placing platform is arranged in a square structure. The disadvantages are that: the 3D curved surface glass defect detection device based on the line scanning camera converts a 3D curved surface product into a clear 2D picture for defect judgment, can only judge the defects of partial surfaces of the product at a time, and has the advantages of large detection limitation and single detection.
SUMMERY OF THE UTILITY MODEL
The design purpose is as follows: in order to avoid the defects in the background art, the surface defect and size detection device for the workpiece is designed, which not only can detect the surface defect and size of the workpiece at one time, but also has high detection efficiency and high automation degree.
The design scheme is as follows: the design purpose is realized.
1. The utility model is characterized in that a line scanning camera is respectively arranged above and below an object carrying platform, the two line scanning cameras can synchronously perform linear motion, a line scanning camera is respectively arranged on two sides of the object carrying platform, the two line scanning cameras can synchronously perform linear motion, and the synchronous motion track lines of the two line scanning cameras arranged up and down are mutually perpendicular to the synchronous motion track lines of the two line scanning cameras arranged on two sides. The purpose of this design is: firstly, a line scanning camera is respectively arranged above and below the object carrying platform, the two line scanning cameras can synchronously perform linear motion, a line scanning camera is respectively arranged on two sides of the object carrying platform, and the two line scanning cameras can synchronously perform linear motion, so that the four line scanning cameras can scan six surfaces of a detected workpiece at one time, and the scanning is more comprehensive; and secondly, scanning images uploaded by the four line scanning cameras can form a complete 3D image through the synthesis of a computer, the complete size and surface defects of the workpiece can be detected based on the synthesized 3D image, and the one-time detection indexes are more.
2. The two linear modules are arranged perpendicular to each other, a first mounting frame is arranged on a sliding block of one linear module, two line scanning cameras distributed vertically are arranged on the first mounting frame, a second mounting frame is arranged on a sliding block of the other linear module, and the two line scanning cameras distributed horizontally are arranged on the second mounting frame. The purpose of this design is: two sharp module mutually perpendicular set up, be equipped with on one of them sharp module the slider mounting bracket one and be equipped with on the mounting bracket one and be two line scanning cameras that distribute from top to bottom, be equipped with on the slider of another sharp module mounting bracket two and be equipped with on the mounting bracket two and be two line scanning cameras that distribute about, in the testing process, two modules of XY direction (two sharp modules that mutually perpendicular set up) can the simultaneous movement, scan the surface of work piece simultaneously to the detection efficiency of device has been promoted.
3. The design of the transplanting manipulator and the sorting mechanism is the third technical characteristic of the utility model. The purpose of this design is: firstly, the transplanting manipulator can grab and place the workpiece to be detected on the carrying platform, and after the computer processing is finished (the workpiece is judged to be qualified or unqualified), the transplanting manipulator can grab and send the detected workpiece to the input port of the slide way plate, so that the automation degree of the device is improved; secondly, the computer outputs corresponding signals to a rotary cylinder at the rear end according to the judgment result, the slide way plate is aligned to different workpiece collecting areas (the workpiece collecting areas are divided into qualified product collecting areas and NG product collecting areas) through the rotation of the rotary cylinder, the detected workpieces are transmitted into corresponding qualified products or NG products (non-sales products), and the sorting mechanism realizes automatic sorting.
The technical scheme is as follows: the device for detecting the surface defects and the sizes of the workpieces comprises an object carrying platform, wherein one line scanning camera is arranged above and below the object carrying platform respectively, the two line scanning cameras can synchronously perform linear motion, the two line scanning cameras are arranged on two sides of the object carrying platform respectively, the two line scanning cameras can synchronously perform linear motion, and the synchronous motion track lines of the two line scanning cameras arranged up and down are perpendicular to the synchronous motion track lines of the two line scanning cameras arranged on two sides.
Compared with the prior art, the device for detecting the surface defects and the sizes of the workpieces drives the four line scan cameras on the module to move through the movement of the high-precision linear module, so that the surface defects and the sizes of the workpieces can be detected at one time, and the detection efficiency is high; and a transplanting manipulator and a sorting mechanism are additionally arranged in the workpiece surface defect and size detection device, so that the automation degree of the workpiece surface defect and size detection device is improved.
Drawings
FIG. 1 is a schematic view of a surface defect and size detecting apparatus for a workpiece.
In the figure, an object platform 1, a line scanning camera 2, a linear module 3, a first mounting frame 4, a second mounting frame 5, a transplanting manipulator 6, a rotary cylinder 7, a slide way plate 8 and a workpiece 9.
Detailed Description
Example 1: reference is made to figure 1. The utility model provides a surface defect and size detection device of work piece, includes objective platform 1, the top and the below of objective platform 1 are equipped with a line scanning camera 2 respectively and these two line scanning cameras 2 can carry out linear motion in step, the both sides of objective platform 1 are equipped with a line scanning camera 2 respectively and these two line scanning cameras 2 can carry out linear motion in step, and the synchronous motion trajectory of two line scanning cameras 2 that set up from top to bottom is mutually perpendicular with the synchronous motion trajectory of two line scanning cameras 2 that both sides set up. The carrying platform 1 is a transparent carrying platform. The detection workpiece is placed on a transparent carrying platform 1, the line scanning camera 2 is driven to move through the movement of a precise guide rail (a linear module 3), the line scanning camera 2 shoots a picture at each step of moving, the number of the pictures needing to be scanned and shot is selected according to the detection precision requirement, and the use is more flexible.
The two line scanning cameras 2 arranged up and down can synchronously perform linear motion in the X-axis direction, and the two line scanning cameras 2 arranged on the two sides can synchronously perform linear motion in the Y-axis direction; or the two line scanning cameras 2 arranged up and down can synchronously perform linear motion in the Y-axis direction, and the two line scanning cameras 2 arranged on the two sides can synchronously perform linear motion in the X-axis direction.
A computer is also included which is capable of processing the images uploaded by the line scanning camera 2. The four line scanning cameras 2 on the module are driven to move (the two line scanning cameras 2 are driven by one of the linear modules 3 to do linear motion along the X-axis direction, the other two line scanning cameras 2 are driven by the other linear module 3 to do linear motion along the Y-axis direction), so that the four line scanning cameras 2 can scan 6 surfaces of a workpiece to be detected at one time and transmit a scanned image to a computer, and the computer can synthesize the scanned surfaces to finally form a complete 3D image of the workpiece; the computer can analyze the data of the 3D image of the workpiece, and the computer can obtain the complete size data of the workpiece and the defect condition of the surface of the workpiece through calculation, and then the computer can judge the size and the defect of the workpiece (can be compared with the parameters of a standard workpiece for judgment) and judge whether the detected workpiece is qualified.
Still include two sharp modules 3, two sharp modules 3 mutually perpendicular set up, are equipped with two line scanning camera 2 that are distribution from top to bottom on one of them sharp module 3's the slider of mounting bracket 4 and the mounting bracket 4, are equipped with two line scanning camera 2 that are about distributing on another sharp module 3's the slider of mounting bracket two 5 and the mounting bracket two 5.
Still include transplanting manipulator 6, transplanting manipulator 6 is PPU manipulator, transplanting manipulator 6 can snatch the work piece. The sorting machine further comprises a sorting mechanism, and a slide way plate 8 is arranged at the upper end of a rotary cylinder 7 in the sorting mechanism. The PPU (grabbing manipulator) can synchronously grab a workpiece to be detected and place the workpiece on a platform to be detected (carrying platform 1); after the workpiece is placed stably, two modules (linear modules 3) in the X-axis direction and the Y-axis direction start to move and drive the corresponding line scanning cameras 2 to scan, and then the line scanning cameras 2 transmit scanned images to a computer for processing; after the computer processing is finished (the workpiece is judged to be qualified or unqualified), the computer outputs a corresponding signal to a rotary cylinder at the rear end according to the judgment result, the slide way plate 8 is aligned to different workpiece collecting areas (the workpiece collecting areas are divided into a qualified product collecting area and an NG product collecting area) through the rotation of the rotary cylinder 7, meanwhile, the computer controls the transplanting manipulator 6 to grab and convey the detected workpiece to an input port of the slide way plate 8, and the workpiece enters the corresponding workpiece collecting area along the slide way plate 8, namely, the detected workpiece is conveyed into the corresponding qualified product or NG product (non-sold product).
The detection workpiece can be a plane workpiece or a workpiece with a cambered surface; the material of the detection workpiece can be glass, plastic, metal, marble and the like as long as the surface can reflect light.
It is to be understood that: although the above embodiments have described the design idea of the present invention in more detail, these descriptions are only simple descriptions of the design idea of the present invention, and are not limitations of the design idea of the present invention, and any combination, addition, or modification without departing from the design idea of the present invention falls within the scope of the present invention.
Claims (7)
1. A surface defect and size detection device of a workpiece comprises a carrying platform (1), and is characterized in that: the linear motion control device is characterized in that a linear scanning camera (2) is arranged above and below the object carrying platform (1) respectively, the two linear scanning cameras (2) can synchronously perform linear motion, the two sides of the object carrying platform (1) are provided with the linear scanning camera (2) respectively, the two linear scanning cameras (2) can synchronously perform linear motion, and the synchronous motion track lines of the two linear scanning cameras (2) arranged up and down are perpendicular to the synchronous motion track lines of the two linear scanning cameras (2) arranged on the two sides.
2. The apparatus of claim 1, wherein the apparatus further comprises: the carrying platform (1) is a transparent carrying platform.
3. The apparatus of claim 1, wherein the apparatus further comprises: the two line scanning cameras (2) arranged up and down can synchronously perform linear motion in the X-axis direction, and the two line scanning cameras (2) arranged on the two sides can synchronously perform linear motion in the Y-axis direction; or the two line scanning cameras (2) arranged up and down can synchronously perform linear motion in the Y-axis direction, and the two line scanning cameras (2) arranged on the two sides can synchronously perform linear motion in the X-axis direction.
4. The apparatus of claim 1, wherein the apparatus further comprises: the system also comprises a computer, and the computer can process the images uploaded by the line scanning camera (2).
5. The apparatus of claim 1, wherein the apparatus further comprises: still include two sharp modules (3), two sharp modules (3) mutually perpendicular set up, are equipped with two line scanning camera (2) that are distribution from top to bottom on the slider of one of them sharp module (3) and mounting bracket (4), are equipped with on the slider of another sharp module (3) mounting bracket two (5) and mounting bracket two (5) on be equipped with be about being two line scanning camera (2) that distribute.
6. The apparatus for inspecting surface defects and dimensions of a workpiece according to any one of claims 1 to 5, wherein: the automatic transplanting machine further comprises a transplanting manipulator (6), and the transplanting manipulator (6) can grab the workpiece.
7. The apparatus of claim 6, wherein: the sorting machine further comprises a sorting mechanism, and a slide way plate (8) is arranged at the upper end of a rotary cylinder (7) in the sorting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121465803.6U CN215656514U (en) | 2021-06-30 | 2021-06-30 | Surface defect and size detection device of workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121465803.6U CN215656514U (en) | 2021-06-30 | 2021-06-30 | Surface defect and size detection device of workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215656514U true CN215656514U (en) | 2022-01-28 |
Family
ID=79977826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121465803.6U Active CN215656514U (en) | 2021-06-30 | 2021-06-30 | Surface defect and size detection device of workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215656514U (en) |
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2021
- 2021-06-30 CN CN202121465803.6U patent/CN215656514U/en active Active
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