CN218766689U - Transmission and detection device for detecting appearance defects of cover plate glass - Google Patents

Transmission and detection device for detecting appearance defects of cover plate glass Download PDF

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Publication number
CN218766689U
CN218766689U CN202221726202.0U CN202221726202U CN218766689U CN 218766689 U CN218766689 U CN 218766689U CN 202221726202 U CN202221726202 U CN 202221726202U CN 218766689 U CN218766689 U CN 218766689U
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light source
fixed
assembly
ccd camera
lead screw
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CN202221726202.0U
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张伟
洪凡荣
李海涛
刘永
王洋
叶和
童炎
张勋
魏京京
李婉君
李潇逍
张险峰
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Lintu Technology Anhui Co ltd
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Shanghai Lintu Intelligent Technology Co ltd
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Abstract

The utility model discloses a transmission and detection device for detecting glass cover plate appearance defect, include: the glass conveying mechanism is positioned below the machine vision mechanism and used for conveying an object to be detected to the position below the machine vision mechanism; glass conveying mechanism includes the aluminium alloy support frame, is fixed in lead screw module on the aluminium alloy support frame, be arranged in driving lead screw pivoted servo motor among the lead screw module, with lead screw swing joint's in the lead screw module fixed plate and be fixed in first cylinder and second cylinder on the fixed plate. According to the utility model discloses, solve conveying mechanism such as belt assembly line or gyro wheel or roller bearing and carry the image wave line and the light and shade that glass process small beat caused from top to bottom different, reduce the influence to the testing result, avoid causing the erroneous judgement.

Description

Transmission and detection device for detecting appearance defects of cover plate glass
Technical Field
The utility model relates to a technical field of image detection and processing art, in particular to a transmission and detection device for detecting cover plate glass appearance imperfections.
Background
TP (Touch Panel) and glass cover plates are increasingly widely used in the display field, and the quality of products is more and more emphasized in production and manufacturing. In the production process of TP and glass cover plates in traditional assembly line operation, the qualification (the defects of point, line, edge breakage and the like) of the TP and the glass cover plates needs to be detected. In the prior art, the detection of the TP and the glass cover plate is mainly manual detection. The yield of the TP and the glass cover plate is large, so that great manpower is needed for detection. When the machine vision is used for detection, the conveying mechanism of the glass cover plate product is usually a belt assembly line or a roller or a rolling shaft, but the conveying mechanism has certain jitter and high-low fluctuation in the conveying process of the glass cover plate, and the vision detection system requires the glass cover plate to be stable and have no jitter in the conveying process; therefore, at present, conveying mechanisms such as a belt assembly line or a roller or a rolling shaft cause certain interference on detection, and therefore the detection capability is influenced.
Disclosure of Invention
To the weak point that exists among the prior art, the utility model aims at providing a transmission and detection device for detecting glass cover plate appearance defect solves conveying mechanism such as belt assembly line or gyro wheel or roller bearing and carries the image wave line and light and shade difference that glass process small beat caused from top to bottom, reduces the influence to the testing result, avoids causing the erroneous judgement. In order to realize the above objects and other advantages according to the present invention, there is provided a transmission and detection apparatus for detecting an appearance defect of a cover glass, comprising:
the glass conveying mechanism is positioned below the machine vision mechanism and used for conveying an object to be detected to the position below the machine vision mechanism;
the glass conveying mechanism comprises an aluminum profile supporting frame, a lead screw module fixed on the aluminum profile supporting frame, a servo motor used for driving a lead screw in the lead screw module to rotate, a fixing plate movably connected with the lead screw in the lead screw module, and a first air cylinder and a second air cylinder fixed on the fixing plate;
a first vacuum jig and a second vacuum jig are respectively fixed on the first air cylinder and the second air cylinder, the first air cylinder drives the first vacuum jig to move along the vertical direction, and the second air cylinder drives the second air cylinder to drive the second vacuum jig to move perpendicular to the movement direction of the first air cylinder;
and the first cylinder and the second cylinder can both adsorb the detected object.
Preferably, the machine vision mechanism comprises a first support frame, a second support frame, an upper vision CCD camera assembly, a first lower light source assembly, an upper light source assembly and a second lower light source assembly, wherein the second support frame is parallel to the first support frame and is arranged at intervals, the upper vision CCD camera assembly and the first lower light source assembly are fixed on the first support frame, the upper light source assembly and the second lower light source assembly are fixed on the second support frame, the lower vision CCD camera assembly is fixed on the machine frame, the upper vision CCD camera assembly and the lower vision CCD camera assembly are identical in structure, and the first lower light source assembly, the second lower light source assembly and the upper light source assembly are identical in structure.
Preferably, go up vision CCD camera subassembly including be fixed in the fine setting platform on the first support frame, set up camera fixed block on the fine setting platform and be fixed in camera on the camera fixed block, the fine setting platform is used for finely tuning the position of camera.
Preferably, the upper light source assembly comprises a fine adjustment platform fixed on the second support frame, a light source fixing plate fixed on the fine adjustment platform, and a light source fixed on the light source fixing plate.
Preferably, the upper visual CCD camera component and the lower visual CCD camera component are arranged oppositely, the first lower light source component is arranged between the upper visual CCD camera component and the lower visual CCD camera component, and the lower visual CCD camera component is arranged between the first support frame and the second support frame.
Preferably, the second lower light source assembly is disposed adjacent to the first lower light source assembly, and the second lower light source assembly is located below the upper light source assembly.
Compared with the prior art, the utility model, its beneficial effect is: make first vacuum tool and second vacuum tool adsorb to being detected the thing through first cylinder and second cylinder, accomplish to be detected partly of thing and accomplish at machine vision mechanism and detect by the absorption of being detected the thing through first vacuum tool, when the second vacuum tool adsorbs being detected the thing, make to be detected another part of thing and accomplish at machine vision mechanism, and then accomplish through twice and detect, can solve conveying mechanism such as belt assembly line or gyro wheel or roller bearing and carry the image wave line and the light and shade difference that glass process fine bounce caused from top to bottom, thereby influence and detect the judgement result, cause the condition such as erroneous judgement.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a transmission and detection device for detecting the appearance defects of cover glass according to the present invention;
FIG. 2 is a schematic three-dimensional structure diagram of a glass conveying mechanism of a transmission and detection device for detecting the appearance defects of cover glass according to the present invention;
fig. 3 is a side view of a machine vision mechanism for a transmission and detection device for detecting cosmetic defects in cover glass in accordance with the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.
Referring to fig. 1 to 3, a transmission and inspection apparatus for inspecting defects of the appearance of a cover glass includes: the device comprises a rack 100, a glass conveying mechanism 200 and a machine vision mechanism 300, wherein the glass conveying mechanism 200 and the machine vision mechanism 300 are fixedly arranged on the rack 100, the glass conveying mechanism 200 is positioned below the machine vision mechanism 300, and the glass conveying mechanism 200 is used for conveying an object to be detected to the lower part of the machine vision mechanism 300;
the glass conveying mechanism 200 comprises an aluminum profile supporting frame 220, a lead screw module 210 fixed on the aluminum profile supporting frame 220, a servo motor 250 for driving a lead screw in the lead screw module 210 to rotate, a fixing plate 235 movably connected with a lead screw in the lead screw module 210, and a first air cylinder 231 and a second air cylinder 232 fixed on the fixing plate 235, wherein the servo motor 250 can be a stepping motor, the lead screw modules 210 can be two groups, and the former group completes the detection of the former 2/3 product; the latter group completes the remaining part detection; thereby improving the beat of the machine and the productivity; a first vacuum jig 233 and a second vacuum jig 234 are respectively fixed on the first air cylinder 231 and the second air cylinder 232, the first air cylinder 231 drives the first vacuum jig 233 to move along the vertical direction, and the second air cylinder 232 drives the second air cylinder 232 to drive the second vacuum jig 234 to move perpendicular to the movement direction of the first air cylinder 231; and the first cylinder 231 and the second cylinder 232 can both absorb the object 240 to be detected, the object 240 to be detected is absorbed by the first vacuum fixture 233, wherein the object 240 to be detected is not in contact with the second vacuum fixture 234 and is spaced a certain distance apart from the second vacuum fixture 234, so as to ensure that the second vacuum fixture 234 does not affect the light source during photographing, the object 240 to be detected is conveyed to the machine vision mechanism 300 through the screw module 210 for detection, when the detection area of the object 240 to be detected reaches 2/3, the first cylinder 231 drives the first vacuum fixture 233 to rise, the second cylinder 232 drives the second vacuum fixture 234 to extend out in the direction close to the first vacuum fixture 233, then the first cylinder 231 drives the first vacuum fixture 233 to fall, so that the object 240 to be detected is in contact with the second vacuum fixture 234 and is absorbed by the second vacuum fixture 234, and vacuum connection is performed, at this time, the second cylinder 232 drives the second vacuum fixture 234 to shrink in the direction far from the first vacuum fixture 233, the screw module 210 further drives the object 240 to be detected to retreat in the direction of the first cylinder 231, and then continuously moves in the direction of the second cylinder 232, so that the object 240 to be detected is detected, and the machine vision mechanism 240 to be detected is continuously to perform detection again. Through the above operation, a part of the area of the detected object 240 is detected in the first detection process, and the rest is detected in the second detection process.
The object to be detected 240 comprises a mobile phone cover glass, and can also be a conventional watch glass, pad glass and other glass products.
Further, the machine vision mechanism 300 includes a first supporting frame 310, a second supporting frame 340 parallel to and spaced apart from the first supporting frame 310, an upper vision CCD camera assembly 320 and a first lower light source assembly 350 fixed on the first supporting frame 310, and an upper light source assembly 330 and a second lower light source assembly 360 fixed on the second supporting frame 340, and a lower vision CCD camera assembly 370 is fixed on the rack 100, wherein the upper vision CCD camera assembly 320 and the lower vision CCD camera assembly 370 have the same structure, and the first lower light source assembly 350, the second lower light source assembly 360 and the upper light source assembly 330 have the same structure, and the light source group price in this application may be multiple sets, such as 2 sets or 5 sets.
Further, the upper vision CCD camera assembly 320 includes a fine adjustment platform 323 fixed on the first support frame 310, a camera fixing block 322 disposed on the fine adjustment platform 323, and a camera 321 fixed on the camera fixing block 322, wherein the fine adjustment platform 323 is used for fine adjustment of the position of the camera 321, and the camera 321 photographs the object 240 to obtain an image of the object 240 to be inspected and determines whether the object 240 is a qualified product by a specific algorithm and a specific inspection standard.
Further, the upper light source assembly 330 includes a fine adjustment platform 323 fixed on the second support 340, a light source fixing plate 332 fixed on the fine adjustment platform 323, and a light source 331 fixed on the light source fixing plate 332.
Further, the upper vision CCD camera assembly 320 is disposed opposite to the lower vision CCD camera assembly 370, the first lower light source assembly 350 is disposed between the upper vision CCD camera assembly 320 and the lower vision CCD camera assembly 370, and the lower vision CCD camera assembly 370 is disposed between the first support frame 310 and the second support frame 340.
Further, a second lower light source assembly 360 is disposed adjacent to the first lower light source assembly 350, and the second lower light source assembly 360 is disposed below the upper light source assembly 330.
The number of devices and the scale of the processes described herein are intended to simplify the description of the present invention, and applications, modifications and variations of the present invention will be apparent to those skilled in the art.
While the embodiments of the invention have been described above, it is not intended to be limited to the embodiments shown, and described, but rather to be accorded the widest scope consistent with the principles and novel features herein disclosed, and to such extent as may be readily modified by those skilled in the art, and to such extent as is not limited by the specific details shown and described herein without departing from the general concepts defined by the claims and their equivalents.

Claims (6)

1. A transmission and detection device for detecting cover glass appearance defects, characterized by comprising:
the device comprises a rack (100), and a glass conveying mechanism (200) and a machine vision mechanism (300) which are fixedly arranged on the rack (100), wherein the glass conveying mechanism (200) is positioned below the machine vision mechanism (300), and the glass conveying mechanism (200) is used for conveying an object to be detected to the lower part of the machine vision mechanism (300);
the glass conveying mechanism (200) comprises an aluminum profile supporting frame (220), a lead screw module (210) fixed on the aluminum profile supporting frame (220), a servo motor (250) used for driving a lead screw in the lead screw module (210) to rotate, a fixing plate (235) movably connected with a lead screw in the lead screw module (210), and a first air cylinder (231) and a second air cylinder (232) fixed on the fixing plate (235);
a first vacuum jig (233) and a second vacuum jig (234) are respectively fixed on the first air cylinder (231) and the second air cylinder (232), the first air cylinder (231) drives the first vacuum jig (233) to move along the vertical direction, and the second air cylinder (232) drives the second air cylinder (232) to drive the second vacuum jig (234) to move perpendicular to the movement direction of the first air cylinder (231);
the object to be detected (240) can be adsorbed on both the first cylinder (231) and the second cylinder (232).
2. The conveying and inspecting apparatus for inspecting defects on the appearance of a cover glass according to claim 1, wherein the machine vision mechanism (300) comprises a first supporting frame (310), a second supporting frame (340) disposed parallel to and spaced apart from the first supporting frame (310), an upper vision CCD camera assembly (320) and a first lower light source assembly (350) fixed on the first supporting frame (310), and an upper light source assembly (330) and a second lower light source assembly (360) fixed on the second supporting frame (340), and a lower vision CCD camera assembly (370) is fixed on the machine frame (100), wherein the upper vision CCD camera assembly (320) and the lower vision CCD camera assembly (370) have the same structure, and the first lower light source assembly (350), the second lower light source assembly (360) and the upper light source assembly (330) have the same structure.
3. The conveying and inspecting apparatus for inspecting defects on the appearance of cover glass according to claim 2, wherein the upper vision CCD camera assembly (320) comprises a fine adjustment platform (323) fixed on the first supporting frame (310), a camera fixing block (322) disposed on the fine adjustment platform (323), and a camera (321) fixed on the camera fixing block (322), the fine adjustment platform (323) is used for fine adjustment of the position of the camera (321).
4. The apparatus of claim 2, wherein the upper light assembly (330) comprises a fine adjustment platform (323) fixed on the second support frame (340), a light source fixing plate (332) fixed on the fine adjustment platform (323), and a light source (331) fixed on the light source fixing plate (332).
5. The conveying and inspecting device for inspecting defects on the appearance of cover glass according to claim 4, wherein the upper vision CCD camera assembly (320) is disposed opposite to the lower vision CCD camera assembly (370), the first lower light source assembly (350) is disposed between the upper vision CCD camera assembly (320) and the lower vision CCD camera assembly (370), and the lower vision CCD camera assembly (370) is disposed between the first supporting frame (310) and the second supporting frame (340).
6. The conveying and inspecting apparatus for inspecting cosmetic defects of cover glass as set forth in claim 5, wherein the second lower light source assembly (360) is disposed adjacent to the first lower light source assembly (350), the second lower light source assembly (360) being disposed below the upper light source assembly (330).
CN202221726202.0U 2022-07-05 2022-07-05 Transmission and detection device for detecting appearance defects of cover plate glass Active CN218766689U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221726202.0U CN218766689U (en) 2022-07-05 2022-07-05 Transmission and detection device for detecting appearance defects of cover plate glass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221726202.0U CN218766689U (en) 2022-07-05 2022-07-05 Transmission and detection device for detecting appearance defects of cover plate glass

Publications (1)

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CN218766689U true CN218766689U (en) 2023-03-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115308221A (en) * 2022-07-05 2022-11-08 上海麟图智能科技有限公司 Transmission and detection method for detecting appearance defects of cover plate glass

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115308221A (en) * 2022-07-05 2022-11-08 上海麟图智能科技有限公司 Transmission and detection method for detecting appearance defects of cover plate glass

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Address after: 231200 meters east of the intersection of Mingchuan Road and Yonghe Road in Taohua Town, Feixi County, Hefei City, Anhui Province

Patentee after: Lintu Technology (Anhui) Co.,Ltd.

Address before: 201207 Pudong New Area, Shanghai, China (Shanghai) free trade trial area, No. 3, 1 1, Fang Chun road.

Patentee before: Shanghai lintu Intelligent Technology Co.,Ltd.

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