CN-224231651-U - LCD screen appearance check out test set

CN224231651UCN 224231651 UCN224231651 UCN 224231651UCN-224231651-U

Abstract

The utility model relates to LCD screen appearance detection equipment which comprises a base, a feeding unit arranged on the base, a first detection unit comprising a first camera mounting frame, a first camera module, a second camera module and a first suction nozzle assembly, wherein the first camera mounting frame is arranged on the base, the first camera module and the second camera module are movably arranged on the first camera mounting frame, the first suction nozzle assembly is arranged on the base in a sliding manner along a first direction and can move below the first camera module and the second camera module, the first suction nozzle assembly comprises a first buffer plate and a first suction nozzle assembly, a through hole is formed in the first buffer plate along the thickness direction, and the first suction nozzle assembly is arranged in the through hole so as to suck a piece to be detected. The utility model can effectively protect the LCD screen body in the process of transferring the LCD screen body to be tested, and avoid damage caused by hard contact, thereby avoiding damage to the LCD screen body caused in the detection process and improving the qualification rate of products.

Inventors

XU YONG
LI CHENGHAO
ZHAO QIANG
ZHOU CHENG
YIN ZHENG

Assignees

苏州佳智彩光电科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250530

Claims (10)

1. An LCD screen appearance detection device is used for carrying out appearance detection on a piece to be detected, and is characterized by comprising, A base; The feeding unit is arranged on the base and comprises a first transfer mechanism, and the to-be-detected piece is driven by the first transfer mechanism to move to a designated position; The first detection unit comprises a first camera mounting frame, a first camera module, a second camera module and a first adsorption component, wherein the first camera mounting frame is arranged on the base, the first camera module and the second camera module are movably arranged on the first camera mounting frame, the first adsorption component is arranged on the base in a sliding manner along a first direction and can move below the first camera module and the second camera module, the first adsorption component comprises a first buffer plate and a first suction nozzle component, a through hole is formed in the first buffer plate along the thickness direction, the first suction nozzle component is arranged in the through hole so as to adsorb a piece to be detected, the piece to be detected is attached to the first buffer plate when being adsorbed, the first camera module acquires images of the upper surface of the piece to be detected, and the second camera module acquires images of the long-side terminal of the piece to be detected; The second detection unit comprises a second transfer mechanism, a second camera mounting frame, a third camera module, a fourth camera module, a second adsorption assembly and a third adsorption assembly, wherein the second transfer mechanism is arranged on the base along the first direction, the second adsorption assembly is arranged on the movable end of the second transfer mechanism, the third adsorption assembly is arranged on the base in a sliding manner along the second direction, the second direction is perpendicular to the first direction, the third camera module is arranged below the second transfer mechanism and faces towards the second adsorption assembly to collect images on the lower surface of the to-be-detected piece, and the fourth camera module is arranged on the second camera mounting frame to collect images on the short-side terminal of the to-be-detected piece.
2. The LCD screen appearance inspection device of claim 1, wherein the second suction assembly comprises a second buffer plate and a second suction nozzle assembly, wherein the second buffer plate is provided with a through hole along a thickness direction, the second suction nozzle assembly is arranged in the through hole to absorb the piece to be inspected, and the piece to be inspected is attached to the second buffer plate when being absorbed.
3. The LCD screen appearance inspection device of claim 1, wherein the third suction nozzle assembly comprises a third buffer plate and a third suction nozzle assembly, wherein the third buffer plate is provided with a through hole along a thickness direction, the third suction nozzle assembly is arranged in the through hole to suck the piece to be inspected, and the piece to be inspected is attached to the third buffer plate when being sucked.
4. The LCD display monitor of claim 1, wherein the first detecting unit further comprises a first sliding table, the first sliding table is arranged on the base in an extending manner along a first direction, the first camera mounting frame is located above the first sliding table, and the first adsorption assembly is connected with a movable end of the first sliding table.
5. The LCD display monitor of claim 1, wherein the second detecting unit further comprises a second sliding table, the second sliding table is arranged on the base in a second direction in an extending mode, the second camera mounting frame is located above the second sliding table, and the third adsorption assembly is arranged at the movable end of the second sliding table.
6. The LCD screen appearance inspection device of claim 1, wherein the feeding unit further comprises a roller mechanism, and the piece to be inspected sequentially passes through the roller mechanism and the first transfer mechanism for conveying and feeding.
7. The LCD screen appearance detection device of claim 1, wherein the first camera mounting frame is further provided with a sliding rail along a second direction, the first camera module is slidably connected with the sliding rail and can move along the second direction, the first camera mounting frame is further provided with a first lifting driving member, and the second camera module is mounted at a movable end of the first lifting driving member.
8. The LCD display monitor as set forth in claim 1, wherein the first buffer plate is made of flexible material.
9. The LCD display monitor according to any one of claims 1 to 8, further comprising a blanking unit disposed on the base and adjacent to the second detecting unit for conveying and blanking the inspected part.
10. The LCD screen appearance detection device of claim 9, further comprising a re-judging area, wherein the re-judging area is adjacent to the blanking unit, the re-judging area is provided with a workbench, a code scanning platform and a code scanner, and an operator re-judges unqualified products in the re-judging area.

Description

LCD screen appearance check out test set Technical Field The utility model relates to the technical field of LCD screen detection, in particular to LCD screen appearance detection equipment. Background With the wide application of LCD (Liquid CRYSTAL DISPLAY) in the fields of smart phones, televisions, vehicle-mounted displays, etc., the defect detection in the production process becomes a key link for ensuring the product yield. The LCD is composed of a multi-layer structure including a glass substrate, a liquid crystal layer, a color filter, a backlight module, etc., and may have defects in appearance such as scratches, bubbles, foreign materials, paint dropping, edge breakage, etc. due to static electricity, dust, mechanical stress, etc. even if the production environment has required high cleanliness in the production process. Therefore, it is necessary to perform appearance inspection of the LCD panel. In the existing LCD appearance detection equipment, detection is realized through mutual cooperation of various mechanisms. However, the defects of the prior art are that the degree of automation is low and the detection precision is insufficient, in addition, because the LCD screen body to be detected is fragile, the grabbing device adopted in the conventional detection equipment is easy to damage the LCD screen body in the process of grabbing and moving the piece to be detected, so that the qualification rate of products is reduced. Disclosure of utility model Therefore, the technical problem to be solved by the utility model is to overcome the defects in the prior art, and provide the LCD screen appearance detection equipment which can effectively protect the LCD screen body in the process of transferring the LCD screen body to be detected, avoid damage caused by hard contact, further avoid damage to the LCD screen body caused in the detection process, improve the qualification rate of products, and further has the advantages of compact integral structure, effective installation space saving and higher automation degree. In order to solve the above technical problems, the present utility model provides an LCD panel appearance inspection apparatus for inspecting an appearance of an object to be inspected, comprising, A base; The feeding unit is arranged on the base and comprises a first transfer mechanism, and the to-be-detected piece is driven by the first transfer mechanism to move to a designated position; The first detection unit comprises a first camera mounting frame, a first camera module, a second camera module and a first adsorption component, wherein the first camera mounting frame is arranged on the base, the first camera module and the second camera module are movably arranged on the first camera mounting frame, the first adsorption component is arranged on the base in a sliding manner along a first direction and can move below the first camera module and the second camera module, the first adsorption component comprises a first buffer plate and a first suction nozzle component, a through hole is formed in the first buffer plate along the thickness direction, the first suction nozzle component is arranged in the through hole so as to adsorb a piece to be detected, the piece to be detected is attached to the first buffer plate when being adsorbed, the first camera module acquires images of the upper surface of the piece to be detected, and the second camera module acquires images of the long-side terminal of the piece to be detected; The second detection unit comprises a second transfer mechanism, a second camera mounting frame, a third camera module, a fourth camera module, a second adsorption assembly and a third adsorption assembly, wherein the second transfer mechanism is arranged on the base along the first direction, the second adsorption assembly is arranged on the movable end of the second transfer mechanism, the third adsorption assembly is arranged on the base in a sliding manner along the second direction, the second direction is perpendicular to the first direction, the third camera module is arranged below the second transfer mechanism and faces towards the second adsorption assembly to collect images on the lower surface of the to-be-detected piece, and the fourth camera module is arranged on the second camera mounting frame to collect images on the short-side terminal of the to-be-detected piece. In an embodiment of the utility model, the second adsorption component includes a second buffer plate and a second suction nozzle component, the second buffer plate is provided with a through hole along a thickness direction, the second suction nozzle component is disposed in the through hole to adsorb the part to be tested, and the part to be tested is attached to the second buffer plate when being adsorbed. In an embodiment of the utility model, the third adsorption component includes a third buffer plate and a third suction nozzle component, the third buffer plate is provided with