CN218331300U - Bearing platform for UTG glass defect detection - Google Patents

Abstract

The utility model provides a load-bearing platform for UTG glass defect detecting, it includes: the device comprises a carrying platform, wherein a feeding sucker is arranged on the upper side of the carrying platform, a cloth filter layer is arranged on the upper side of the sucker, and the cloth filter layer is made of any one of nylon cloth, polyethylene cloth, denim, oxford, cotton blended fabric, linen, hemp blended fabric, silk fabric, rayon fabric and spandex fabric. The utility model provides a UTG glass's level and smooth absorption problem, and then can carry out the precision imaging, realized the location and the function of examining out of the superfine defect on UTG glass.

Description

Bearing platform for UTG glass defect detection

Technical Field

The utility model relates to a defect detection technical field particularly, relates to a load-bearing platform for UTG glass defect detection.

Background

UTG, also known as Ultra-Thin Glass, is typically between 1.2mm and 0.1mm thick, although some models achieve thicknesses less than 0.1mm, where Ultra-Thin Glass with a thickness greater than 1mm is typically flat Glass, ultra-Thin Glass with a thickness between 1mm and 0.2mm can achieve curvature, and Ultra-Thin Glass with a thickness less than 0.2mm can possess folding properties.

The detection of the glass is generally realized by using roller conveying or carrying platform, fork conveying and other modes through a line scanning camera, and the common manufacturing defects of the UTG glass include scratches, broken edges, air holes, foreign matters, wrinkles and the like. When the thickness of the glass is less than 0.1mm, even when the thickness of the glass is as low as 0.03mm, the rigidity of the glass itself becomes weak, and the flatness of the glass cannot be maintained by the rigidity of the glass itself on the roller, the carrier, and the fork, and therefore the glass cannot be detected by a normal detection method. For example, when the glass is placed on a carrying platform for photographing, since the glass is soft and fragile, dust adheres to the product, and after the product is adsorbed, the dust can jack up the product to cause concave-convex points, and the sucking holes of the sucking disc can also cause concave-convex points of the product, the photographed image cannot be imaged (as shown in fig. 1, fig. 2 and fig. 3), and the defect detection of the UTG glass is very difficult.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects, the utility model provides a load-bearing platform for UTG glass defect detection, the utility model provides a UTG glass's level and smooth absorption problem, and then can carry out the precision imaging, realized the location and the function of examining out of the superfine defect on the UTG glass.

The bearing platform for detecting the defects of the UTG glass comprises a carrying platform, wherein a sucking disc is arranged on the upper side of the carrying platform, an adsorption hole is formed in the sucking disc, the adsorption hole is connected with a vacuum pump through a gas circuit, and a cloth filtering layer is arranged on the upper side of the sucking disc.

In an embodiment of the present invention, the supporting platform for UTG glass defect detection further includes a first conveying mechanism, one side of the first conveying mechanism is provided with a detection platform, and the other side is provided as the carrying platform.

In an embodiment of the present invention, the suction cup is a nano ceramic suction cup.

In an embodiment of the present invention, the suction cup is provided with an outer ring structure around, the cloth filter layer is clamped around in the outer ring structure.

In an embodiment of the present invention, the periphery of the cloth filter layer is bonded to the suction cup.

In an embodiment of the present invention, the material of the cloth filter layer is selected from any one of nylon cloth, polyethylene cloth, jean cloth, oxford cloth, cotton blended fabric, hemp cloth, hemp blended fabric, real silk cloth, rayon cloth, and spandex cloth.

In one embodiment of the present invention, the mesh number of the cloth filter layer is 100-20000.

To sum up, the utility model provides a load-bearing platform for UTG glass defect detection, the beneficial effects of the utility model are that:

the utility model provides a UTG glass's level and smooth absorption problem, and then can carry out the precision imaging, realize UTG glass goes up the location of superfine defect and examine out the function.

Further, the utility model discloses a nanometer ceramic sucking disc adsorbs fixedly to UTG. The nano ceramic sucker has uniform suction force and can not deform the UTG glass. The utility model discloses having adhered to the cloth filter layer on the nano ceramic sucking disc surface, having solved the partial defect of nano ceramic sucking disc itself and brought and cause the interference to camera visual imaging detection, avoided nano ceramic sucking disc fish tail UTG glass simultaneously.

Further, the material of the middle cloth filter layer of the utility model is selected from any one of nylon cloth, polyethylene cloth, jean cloth, oxford cloth, cotton blended fabric, linen, hemp blended fabric, real silk cloth, rayon cloth and spandex cloth, preferably nylon cloth and polyethylene cloth, the hardness is far lower than that of glass, and the glass cannot be scratched. The thickness of the cloth filter layer is very low, and the overall flatness is not affected after the cloth filter layer is attached. The cloth filter layer can permeate air, and the adsorption function of the sucker is not influenced.

Drawings

Fig. 1 is an image obtained by photographing UTG glass with a camera when the suction cup pressure is 0kpa in the prior art.

FIG. 2 is an image of a UTG glass taken with a camera at a chuck pressure of-0.2 kpa according to the prior art.

FIG. 3 is an image of a UTG glass taken with a camera at a chuck pressure of-2 kpa according to the prior art.

Fig. 4 is a schematic perspective view of a UTG ultra-thin flexible glass defect detection system according to an embodiment of the present invention.

Fig. 5 is a front view of an UTG ultra-thin flexible glass defect detection system according to an embodiment of the present invention.

Fig. 6 is a schematic perspective view of the front side detection platform in fig. 5.

Fig. 7 is a schematic perspective view of a supporting platform for UTG glass defect detection according to an embodiment of the present invention.

Fig. 8 is adopting the utility model provides a load-bearing platform for UTG glass defect detection, the camera shoots the image that obtains to UTG glass.

11, a front detection platform; 111. a through hole; 12. a first linear guide rail; 13. a loading platform; 14. a feeding sucker; 141. a cloth filter layer; 15. an upper light source assembly; 16. an upper camera assembly; 161. an upper camera support; 17. an ion wind rod; 21. a back side detection platform; 211. a back detection support frame; 22. a second linear guide; 23. a back side detection stage; 24. a back side detection sucker; 25. a lower light source assembly; 26. a lower camera assembly; 261. a lower phase machine bracket; 31. a third linear guide rail; 32. a blanking carrying platform; 33. and (5) blanking suction cups.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses well sucking disc adopts porous ceramic sucking disc. The porous ceramic sucker is called as a nano micropore vacuum sucker, which means that a uniform solid or vacuum sphere is produced through a special nano powder manufacturing process, a large number of mutually connected or closed ceramic materials are generated inside the materials through high-temperature sintering, and the microporous ceramic vacuum sucker has high porosity, high strength, high flatness and ultra-fine pore diameter (about 2-30 um). The aperture of the common steel/aluminum porous sucker is 0.5-1mm, compared with glass with the thickness of 0.03mm, the common steel/aluminum porous sucker is easy to deform, and the UTG glass can be shaped after being deformed for a long time, so that the UTG glass is scrapped. The nano ceramic sucker has uniform suction force and can not deform the UTG glass.

However, the nano ceramic sucker has the defects that firstly, the flatness is high, but because the nano ceramic sucker is sintered by irregular nano powder, the distribution of surface holes is irregular, the diameter of the holes is 2-30um, and partial defects of the glass are also in the size range, so that the irregular distribution of the holes and the irregular reflection of the light source can interfere the visual imaging detection of a camera. Secondly, the chemical structure of the glass is ceramic powder made of materials such as aluminum oxide, aluminum nitride, silicon oxide and the like with extremely high hardness, and the hardness is higher than that of common glass. Although the surface flatness is high, UTG glass is overall softer and therefore it still has the potential to scratch the glass surface.

The utility model discloses attached to the cloth filter layer on nano ceramic sucking disc surface, solved two above problems.

First, 15000 mesh cloth filter layer haplopore only about 1um, and the filtration pore distribution standard is even, therefore the filtration pore of cloth filter layer can not cause the interference to the detection of defect. The mesh number of the cloth filter layer is selected from 100-20000. Since the defect of general glass is defined above 10um, the mesh number of the cloth filter layer is preferably 8000-15000, which is selected according to the requirement.

Second, the cloth filter layer is preferably polyethylene or nylon material, and the hardness is far less than glass, can not produce the fish tail to glass.

Thirdly, the thickness of the cloth filter layer is very low, and the overall flatness is not affected after the cloth filter layer is attached.

Fourthly, the cloth filter layer can permeate air, and the adsorption function of the sucker is not influenced.

Therefore, the problem of smooth adsorption of the UTG glass can be solved, and further, precise imaging can be carried out, and the functions of positioning and detecting superfine defects on the UTG glass are realized.

Referring to fig. 4 to 5, a UTG ultra-thin flexible glass defect detecting system includes: the device comprises a front detection mechanism, a back detection mechanism and a discharging mechanism.

The front detection mechanism comprises a front detection platform 11, a loading platform 13, an upper camera assembly 16 and an upper light source assembly 15.

In this embodiment, as shown in fig. 7, a first linear guide rail 12 is installed on an upper side of the front detection platform 11, the loading platform 13 is disposed on the upper side of the first linear guide rail 12, a loading suction cup 14 is disposed on the upper side of the loading platform 13, and an adsorption hole is disposed on the loading suction cup 14 and connected to the vacuum pump through an air path. The upper side of the feeding sucker 14 is provided with a cloth filter layer 141. As shown in fig. 6, the front side detection platform 11 is further provided with a through hole 111, which facilitates the camera to photograph the back side of the TUG glass.

Preferably, the loading cup 14 is a nano ceramic cup. The nano ceramic sucker has high porosity, high strength, high flatness and superfine pore size. The nano ceramic sucker has uniform suction force and can not deform the UTG glass.

In this embodiment, an outer ring structure is disposed around the feeding suction cup 14, and the cloth filter layer 141 is clamped around the outer ring structure.

In other embodiments, the periphery of the cloth filter layer 141 is adhered to the suction cup. For example, glue is used to stick the periphery of the cloth filter layer to the suction cup, or glue is coated on the cloth filter layer 141 according to the shape of "hui" or "yue", etc., and the cloth filter layer 141 is stuck to the suction cup, which all belong to the protection scope of the present invention.

Preferably, the material of the cloth filter layer 141 is selected from any one of nylon cloth, polyethylene cloth, denim, oxford, cotton blended fabric, hemp cloth, hemp blended fabric, silk cloth, rayon cloth, and spandex cloth. Further preferably, the material of the cloth filter layer 141 is selected from nylon cloth or polyethylene cloth. The cloth filter layer 141 has a very low thickness and does not affect the overall flatness after attachment. The cloth filter layer can permeate air, and the adsorption function of the sucker is not influenced.

Preferably, the mesh number of the cloth filter layer 141 is 100 to 20000. Further preferably, the mesh number of the cloth filter layer 141 is preferably 8000 to 15000.

The bottom of the upper camera assembly 16 is connected to the top of the front inspection platform 11 through an upper camera bracket 161, and the upper camera assembly 16 is disposed above the first linear guide 12. The method is used for photographing the front surface of the UTG glass to obtain an image for detecting the defects. The upper light source assembly 15 is disposed at one side of the upper camera assembly 16. The upper light source assembly 15 is used to provide a light source for front photographing.

Furthermore, an ion air bar 17 is arranged above the loading stage 13 to remove static electricity of the TUG glass.

Because there is the fish tail in UTG glass's the back, when openly shooing, the formation of image of back fish tail is very light, in order to prevent that back fish tail from missing to examine, consequently the utility model designs a back detection mechanism. The back detection mechanism includes a back detection platform 21, a back detection stage 23, a lower camera assembly 26, and a lower light source assembly 25.

In this embodiment, the back detection platform 21 is connected to the front detection platform 11 through the back detection support frame 211, the back detection platform 21 is disposed above the first linear guide rail 12, and the second linear guide rail 22 is disposed on the lower side of the back detection platform 21. The back detection carrying platform 23 is arranged on the lower side of the second linear guide rail 22, a back detection sucking disc 24 is arranged on the lower side of the back detection carrying platform 23, and an adsorption hole is formed in the back detection sucking disc 24 and connected with the vacuum pump through an air path. A cloth filter layer is arranged on the lower side of the back surface detection suction cup 24.

Preferably, the backside detection chuck 24 is a nano-ceramic chuck. The nano ceramic sucker has high porosity, high strength, high flatness and superfine pore size. The nano ceramic sucker has uniform suction force and can not deform the UTG glass.

Preferably, the periphery of the back detection suction cup 24 is respectively provided with an outer ring structure, and the periphery of the cloth filter layer is clamped in the outer ring structure.

Preferably, the material of the cloth filter layer is selected from any one of nylon cloth, polyethylene cloth, jean cloth, oxford cloth, cotton blended fabric, hemp cloth, hemp blended fabric, real silk cloth, rayon cloth and spandex cloth. Further preferably, the material of the cloth filter layer is selected from nylon cloth or polyethylene cloth. The thickness of the cloth filter layer is very low, and the overall flatness is not affected after the cloth filter layer is attached. The cloth filter layer can permeate air, and the adsorption function of the sucker is not influenced.

Preferably, the mesh number of the cloth filter layer is 100-20000. Further preferably, the mesh number of the cloth filter layer is 8000 to 15000.

Preferably, the height of the bottom of the back surface inspection cup 24 is matched to the height of the top of the load cup 14 to ensure that the TUG glass is transferred from the load cup 14 to the back surface inspection cup 24.

The top of the lower camera assembly 26 is connected to the bottom of the front inspection platform 11 by a lower camera bracket 261. The lower camera assembly 26 is disposed below the second linear guide 22, and is configured to photograph the back surface of the UTG glass to obtain an image of the defect detection. The lower light source assembly 25 is disposed at one side of the lower camera assembly 26, and the lower light source assembly 25 is used for providing a light source for backside photographing.

Next, the blanking mechanism is described, and the blanking mechanism includes a third linear guide 31 and a blanking stage 32.

In the embodiment, the third linear guide 31 is disposed at one end of the front testing platform and vertically disposed below the second linear guide 22. The blanking carrying platform 32 is arranged on the upper side of the third linear guide rail 31, a blanking suction cup 33 is arranged on the upper side of the blanking carrying platform 32, and an adsorption hole is formed in the blanking suction cup 33 and is connected with the vacuum pump through an air path. A cloth filter layer is arranged on the upper side of the blanking suction cup 33.

Preferably, the blanking suction cups 33 are all nano ceramic suction cups. The nano ceramic sucker has high porosity, high strength, high flatness and superfine pore size. The nano ceramic sucker has uniform suction force and can not deform the UTG glass.

Preferably, the periphery of the blanking suction disc 33 is respectively provided with an outer ring structure, and the periphery of the cloth filter layer is clamped in the outer ring structure.

Preferably, the material of the cloth filter layer is selected from any one of nylon cloth, polyethylene cloth, jean cloth, oxford cloth, cotton blended fabric, hemp cloth, hemp blended fabric, real silk cloth, rayon cloth and spandex cloth. Further preferably, the material of the cloth filter layer is selected from nylon cloth or polyethylene cloth. The thickness of the cloth filter layer is very low, and the overall flatness is not influenced after the cloth filter layer is attached. The cloth filter layer can permeate air, and the adsorption function of the sucker is not influenced.

Preferably, the mesh number of the cloth filter layer is 100 to 20000. Further preferably, the mesh number of the cloth filter layer is 8000 to 15000.

Preferably, the height of the top of the blanking suction cup 33 is adapted to the height of the bottom of the back detection suction cup 24 to ensure that the TUG glass is transferred from the back detection suction cup 24 to the blanking suction cup 33.

The working process of the embodiment:

firstly, the jig places the TUG glass on the feeding suction cup 14, static electricity is removed, then the feeding suction cup 14 is transported to the position below the upper camera assembly 16 through the first linear guide rail 12, the camera of the upper camera assembly 16 shoots the TUG glass to obtain a front image, and the imaging effect is shown in fig. 8. The first linear guide rail 12 transports the feeding sucker 14 to the position right below the back detection sucker 24, vacuum adsorption of the back detection sucker 24 is started, vacuum adsorption of the feeding sucker 14 is closed, TUG glass is transferred to the back detection sucker 24, the second linear guide rail 22 drives the back detection sucker 24 to be transported to the position above the lower phase machine assembly 26, a camera of the lower phase machine assembly 26 photographs the back of the TUG glass to obtain a glass back image, then the second linear guide rail 22 drives the back detection sucker 24 to be transported to the position above the blanking sucker 33, vacuum adsorption of the blanking sucker 33 is started, vacuum adsorption of the back detection sucker 24 is closed, the TUG glass is transferred to the blanking sucker 33, and the TUG glass is transported to the next working procedure by the third linear guide rail 31.

To sum up, the utility model discloses a nanometer ceramic sucking disc adsorbs fixedly to UTG glass. The nano ceramic sucker has uniform suction force and can not deform the UTG glass. The utility model discloses attached to the cloth filter layer on the nano ceramic sucking disc surface, the partial defect of having solved nano ceramic sucking disc itself brings causes the interference to camera vision imaging detection, avoids nano ceramic sucking disc fish tail UTG glass simultaneously. The utility model discloses the preferred nylon cloth, the polyethylene cloth of well cloth filter layer, hardness far is less than glass, can not produce the fish tail to glass. The thickness of the cloth filter layer is very low, and the overall flatness is not influenced after the cloth filter layer is attached. The cloth filter layer can permeate air, the adsorption function of the sucker is not influenced, the smooth adsorption problem of the UTG glass is solved, further, precise imaging can be carried out, and the functions of positioning and detecting superfine defects on the UTG glass are achieved. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The bearing platform for detecting the defects of the UTG glass is characterized by comprising a carrying platform, wherein a sucker is arranged on one side of the carrying platform, an adsorption hole is formed in the sucker, the adsorption hole is connected with a vacuum pump through a gas circuit, and a cloth filter layer is arranged on the other side, opposite to the carrying platform, of the sucker.

2. The carrying platform for UTG glass defect inspection according to claim 1, further comprising a transport mechanism, wherein the detection platform is disposed on one side of the transport mechanism, and the stage is disposed on the other side of the transport mechanism.

3. The load-bearing platform for UTG glass defect detection according to claim 1, wherein the chuck is a nano-ceramic chuck.

4. The load-bearing platform for UTG glass defect detection as claimed in claim 1, wherein the suction cups are respectively provided with an outer ring structure around, and the cloth filter layer is clamped inside the outer ring structure around.

5. The load-bearing platform for UTG glass defect detection of claim 1, wherein the cloth filter layer is bonded around the periphery to a suction cup.

6. The load-bearing platform for UTG glass defect detection as defined in claim 1, wherein the material of the cloth filter layer is selected from any one of nylon cloth, polyethylene cloth, denim, oxford, cotton blended fabric, hemp cloth, hemp blended fabric, silk cloth, rayon cloth and spandex cloth.

7. The load-bearing platform for UTG glass defect detection as recited in claim 1 wherein the mesh number of the cloth filter layer is 100-20000.

Images