Backlight assembly machine

By introducing detection components and automated detection systems into the backlight assembly machine, the problem of time-consuming manual inspection is solved, efficient automatic detection and processing of backlight bonding of LCD screens is realized, and subsequent processing efficiency is improved.

CN222280984UActive Publication Date: 2024-12-31GUANGXI DAYUAN TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421056032.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-15
Publication Date
2024-12-31
Estimated Expiration
2034-05-15

AI Technical Summary

Technical Problem

After the existing backlight assembly machine backlight bonding of the LCD screen, it needs to manually detect the pass rate, which consumes a lot of time and affects the subsequent processing process.

Method used

A backlight assembly machine is designed, including the assembly machine body and detection components. The detection components include mounting frame, detector, cylinder, push plate and placement table. The CCD multi-combination line array camera is used to detect the backlight fit position. The image analysis software algorithm discovers defective products and uses cylinders to push defective products to the placement table to facilitate staff collection and rework processing.

Benefits of technology

Automatic detection and processing of defective products is realized, manual detection time is reduced, and the efficiency of subsequent processing processes is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of liquid crystal screen processing, in particular to a backlight assembly machine which comprises an assembly machine body and a detection assembly, and the detection assembly comprises a mounting frame, a detector, an air cylinder, a push plate and a placement table. Backlight fitting of a liquid crystal screen is detected through the detector arranged on the mounting frame, the detector adopts a CCD multi-combination linear array camera to photograph and detect the backlight fitting position of a liquid crystal piece, then defective products are found and processed, at the moment, a processing terminal starts an air cylinder, the output end of the air cylinder pushes a push plate to move, and the liquid crystal piece is subjected to backlight fitting. And the detected defective products are pushed to the placement table, so that workers can conveniently collect and rework the defective products, and therefore, the problems that a large amount of time needs to be consumed and subsequent processing procedures are influenced because the qualified rate can only be manually detected by the workers and the defective products are picked out after the liquid crystal screens are subjected to backlight lamination by the existing backlight assembling machine are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal screen processing, in particular to a backlight assembly machine. Background Art

[0002] The electronic information industry is the most dynamic and fast-growing industry today, and related industries have penetrated into people's lives, such as various screens. During the assembly process of the screen, a backlight assembly machine is required to bond the backlight and glass.

[0003] At present, the prior art (CN215867435U) discloses a backlight assembly machine, including a support unit, and also includes: a backlight assembly device, which is movably connected to the support unit and is used to photograph and transport the backlight; a glass assembly device, which is movably connected to the support unit and is used in conjunction with the backlight assembly device through a double platform unit; the double platform unit, which is movably connected to the support unit and is used to place the backlight and photograph and bond the glass; the backlight assembly device includes a backlight loading unit and a backlight photographing unit, and the backlight loading unit and the backlight photographing unit are both connected to the support unit; the glass assembly device includes a glass loading unit, a bonding hand unit and a glass photographing unit, and the glass loading unit, the bonding hand unit and the glass photographing unit are all connected to the support unit.

[0004] However, with the above method, after the backlight of the LCD screen is bonded, the qualified rate can only be manually inspected by staff and selected, which takes a lot of time and affects the subsequent processing procedures. Utility Model Content

[0005] The utility model aims to provide a backlight assembly machine, aiming to solve the problem that after the backlight of the LCD screen is bonded, the existing backlight assembly machine can only manually detect the qualified rate and select it, which takes a lot of time and affects the subsequent processing procedures.

[0006] To achieve the above-mentioned purpose, the utility model provides a backlight assembly machine, including an assembly machine body and a detection component, wherein the detection component includes a mounting frame, a detector, a cylinder, a push plate and a placement table;

[0007] The mounting frame is fixedly connected to the assembly machine body and is located on the side of the assembly machine body. The detector is fixedly connected to the mounting frame and is located on one side of the mounting frame. The cylinder is fixedly connected to the mounting frame and is located on a side of the mounting frame close to the detector. The push plate is fixedly connected to the output end of the cylinder and is located on one side of the cylinder. The placement table is fixedly connected to the assembly machine body and is located on a side of the assembly machine body close to the mounting frame.

[0008] Wherein, the detection component also includes a protective frame and a transparent plate, the protective frame is fixedly connected to the assembly machine body and is located on one side of the assembly machine body, and the transparent plate is fixedly connected to the protective frame and is located on one side of the protective frame.

[0009] Among them, the placing table includes a supporting frame, a fixed frame, a rotating shaft, a protective layer and a baffle. The supporting frame is fixedly connected to the assembly machine body and is located on one side of the assembly machine body. The fixed frame is fixedly connected to the supporting frame and is located on the top of the supporting frame. The rotating shaft is rotatably connected to the fixed frame and is located on one side of the fixed frame. The protective layer is fixedly connected to the rotating shaft and is located on one side of the rotating shaft. The baffle is fixedly connected to the fixed frame and is located on the top of the fixed frame.

[0010] Wherein, the detection component also includes an auxiliary mechanism, and the auxiliary mechanism is arranged on one side of the assembly machine body.

[0011] Among them, the auxiliary mechanism includes a base frame, a fixed plate and a storage box, the base frame is fixedly connected to the assembly machine body and is located at the bottom of the assembly machine body, the fixed plate is fixedly connected to the base frame and fixedly connected to the assembly machine body and is located on one side of the base frame, and the storage box is fixedly connected to the assembly machine body and is located on one side of the assembly machine body close to the fixed plate.

[0012] Wherein, the auxiliary mechanism also includes a frame, a closed door and a latch, the frame is fixedly connected to the transparent plate and is located on one side of the transparent plate, the closed door is rotatably connected to the frame and is located on one side of the frame, and the latch is fixedly connected to the closed door and slidably connected to the frame and is located on one side of the closed door.

[0013] The utility model discloses a backlight assembly machine. When it is necessary to bond the backlight and glass of a liquid crystal screen, the backlight and the glass are first placed on the assembly machine body. The assembly machine body uses a backlight carrier to carry the backlight, which is located on a backlight feeding belt and adjusted in position by an alignment positioning mechanism A, to a backlight bearing platform, and places the glass on the glass feeding belt. The alignment positioning mechanism B is used to position the glass, and a glass protective film tearing mechanism is used to tear the film of the glass. A vacuum suction nozzle is used to fix the glass with the protective film torn off, and the glass is bonded to the backlight by the glass bonding hand XYZQ axis, and a camera mechanism is used to determine the edge position of the glass, so that the glass is bonded to the backlight with high precision. After the backlight assembly is completed, the liquid crystal screen is transmitted out of the bonding area. At this time, by setting a detector on the mounting frame, The backlight bonding of the LCD screen is detected. The detector adopts a CCD multi-combination linear array camera to take pictures of the backlight bonding position of the LCD sheet. The CCD camera performs synchronous scanning and shooting according to the speed signal collected by the encoder, and the collected image is dynamically segmented through the image analysis software algorithm. The defective products are found and processed through the grayscale difference between the defective image and the normal product. At this time, the processing terminal starts the cylinder, and the output end of the cylinder pushes the push plate to move, and pushes the detected defective products to the placement table, which is convenient for the staff to collect and rework them, thereby solving the problem that the existing backlight assembly machine can only manually detect the qualified rate and select them after the backlight bonding of the LCD screen, which takes a lot of time and affects the subsequent processing procedures. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0015] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0016] Figure 2 It is an overall top view of the first embodiment of the utility model.

[0017] Figure 3 It is an overall front view of the first embodiment of the utility model.

[0018] Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the utility model.

[0019] Figure 5 It is an overall front view of the second embodiment of the utility model.

[0020] 101-assembly machine body, 102-detection component, 103-mounting frame, 104-detector, 105-cylinder, 106-push plate, 107-placing table, 108-protective frame, 109-transparent plate, 110-support frame, 111-fixed frame, 112-rotating shaft, 113-protective layer, 114-baffle, 201-auxiliary mechanism, 202-base frame, 203-fixed plate, 204-storage box, 205-frame, 206-enclosed door, 207-latch. DETAILED DESCRIPTION

[0021] The first embodiment of the present application is:

[0022] See also Figure 1 to Figure 3 , Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 It is a top view of the whole of the first embodiment of the utility model. Figure 3 It is an overall front view of the first embodiment of the utility model.

[0023] The utility model discloses a backlight assembly machine, including an assembly machine body 101 and a detection component 102, wherein the detection component 102 includes a mounting frame 103, a detector 104, a cylinder 105, a push plate 106, a placement table 107, a protective frame 108 and a transparent plate 109, and the placement table 107 includes a support frame 110, a fixing frame 111, a rotating shaft 112, a protective layer 113 and a baffle 114. The above-mentioned scheme solves the problem that in the existing backlight assembly machine, after the backlight of the LCD screen is bonded, the qualified rate can only be manually detected by the staff, and the qualified rate can be selected, which takes a lot of time and affects the subsequent processing procedures.

[0024] With respect to this specific embodiment, when the backlight of the LCD screen is bonded, the assembly machine body 101 uses the backlight transport arm to transport the backlight located on the backlight feeding belt and adjusted in position by the alignment and positioning mechanism A to the backlight bearing platform, and places the glass on the glass feeding belt, positions the glass by the alignment and positioning mechanism B, and tears the protective film from the glass by the glass tearing mechanism, fixes the glass with the protective film torn off by a vacuum suction nozzle, and bonds the glass to the backlight by the glass bonding arm XYZQ axis, and determines the edge position of the glass by the camera mechanism, and bonds the glass to the backlight with high precision.

[0025] The mounting frame 103 is fixedly connected to the assembly machine body 101 and is located on the side of the assembly machine body 101. The detector 104 is fixedly connected to the mounting frame 103 and is located on one side of the mounting frame 103. The cylinder 105 is fixedly connected to the mounting frame 103 and is located on the side of the mounting frame 103 close to the detector 104. The push plate 106 is fixedly connected to the output end of the cylinder 105 and is located on one side of the cylinder 105. The placement table 107 is fixedly connected to the assembly machine body 101 and is located on the side of the mounting frame 103. On the side of the assembly machine body 101 close to the mounting frame 103, when the backlight and glass of the LCD screen need to be bonded, the backlight and the glass are first placed on the assembly machine body 101, and the assembly machine body 101 uses a backlight carrier to move the backlight on the backlight feeding belt, which has been adjusted by the alignment and positioning mechanism A, to the backlight bearing platform, and places the glass on the glass feeding belt, and uses the alignment and positioning mechanism B to position the glass, and uses the glass protective film tearing mechanism to tear the film off the glass, and uses a vacuum suction nozzle to fix the glass with the protective film torn off, and The glass is bonded to the backlight using the XYZQ axis of the glass bonding hand, and the edge position of the glass is determined using a camera mechanism, so that the glass is bonded to the backlight with high precision. After the backlight assembly is completed, the LCD screen is transmitted out of the bonding area. At this time, the backlight bonding of the LCD screen is detected by setting a detector 104 on the mounting frame 103. The detector 104 uses a CCD multi-combination linear array camera to take pictures of the backlight bonding position of the liquid crystal sheet. The CCD camera performs synchronous scanning and shooting according to the speed signal collected by the encoder, and the collected image is analyzed by the image analysis software. The algorithm for dynamic segmentation is used to detect defective products through the grayscale difference between the defective image and the normal product, and then the defective products are found and processed. At this time, the processing terminal starts the cylinder 105, and the output end of the cylinder 105 pushes the push plate 106 to move, and pushes the detected defective products to the placement table 107, which is convenient for the staff to collect and rework them, thereby solving the problem that the existing backlight assembly machine can only manually detect the qualified rate and select them after the backlight of the LCD screen is bonded, which takes a lot of time and affects the subsequent processing procedures.

[0026] Secondly, the protective frame 108 is fixedly connected to the assembly machine body 101 and is located on one side of the assembly machine body 101. The transparent plate 109 is fixedly connected to the protective frame 108 and is located on one side of the protective frame 108. Through the cooperation between the protective frame 108 and the transparent plate 109, it is convenient for the staff to check the processing status of the LCD screen when the assembly equipment is processing it.

[0027] Again, the support frame 110 is fixedly connected to the assembly machine body 101 and is located on one side of the assembly machine body 101. The fixed frame 111 is fixedly connected to the support frame 110 and is located on the top of the support frame 110. The rotating shaft 112 is rotatably connected to the fixed frame 111 and is located on one side of the fixed frame 111. The protective layer 113 is fixedly connected to the rotating shaft 112 and is located on one side of the rotating shaft 112. The baffle 114 is fixedly connected to the fixed frame 111 and is located on the upper side of the fixed frame 111. At the top of the fixed frame 111, after the detector 104 detects defective products, the output end of the cylinder 105 pushes the push plate 106 to move, and pushes the defective products into the fixed frame 111. At this time, the multiple rotating shafts 112 begin to rotate on the fixed frame 111, driving the defective products to move into the fixed frame 111, which is convenient for the staff to collect them, and the fixed frame 111 is supported by the support frame 110, and the baffle 114 is used to prevent the defective products from falling out of the fixed frame 111.

[0028] The backlight assembly machine described in this embodiment, when it is necessary to bond the backlight and glass of the LCD screen, first place the backlight and the glass on the assembly machine body 101, the assembly machine body 101 uses the backlight transport hand to transport the backlight located on the backlight feeding belt and adjusted by the alignment and positioning mechanism A to the backlight bearing platform, and places the glass on the glass feeding belt, and uses the alignment and positioning mechanism B to position the glass, and uses the glass protective film tearing mechanism to tear the film off the glass, and uses a vacuum suction nozzle to fix the glass with the protective film torn off, and uses the glass bonding hand XYZQ axis to bond the glass to the backlight, and uses the camera mechanism to determine the edge position of the glass, and bonds the glass to the backlight with high precision. After the backlight assembly is completed, the LCD screen is transmitted out of the bonding area. At this time, the backlight bonding of the LCD screen is detected by the detector 104 set on the mounting frame 103. The detector 104 uses A CCD multi-combination linear array camera is used to take photos and detect the backlight bonding position of the liquid crystal sheet. The CCD camera performs synchronous scanning and shooting according to the speed signal collected by the encoder, and the collected image is dynamically segmented through the image analysis software algorithm. The defective products are found and processed through the grayscale difference between the defective image and the normal product. At this time, the processing terminal starts the cylinder 105, and the output end of the cylinder 105 pushes the push plate 106 to move, and pushes the defective products into the fixed frame 111. At this time, the multiple rotating shafts 112 begin to rotate on the fixed frame 111, driving the defective products to move into the fixed frame 111, which is convenient for the staff to collect and rework them, thereby solving the problem that the existing backlight assembly machine can only manually detect the qualified rate and select them after the backlight bonding of the LCD screen, which takes a lot of time and affects the subsequent processing procedures.

[0029] The second embodiment of the present application is:

[0030] Based on the first embodiment, please refer to Figure 4-5 , Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the utility model. Figure 5 It is an overall front view of the second embodiment of the utility model.

[0031] The detection component 102 of the backlight assembly machine of the present embodiment further includes an auxiliary mechanism 201 , and the auxiliary mechanism 201 includes a base frame 202 , a fixing plate 203 , a storage box 204 , a frame 205 , a closed door 206 and a latch 207 .

[0032] Among them, the base frame 202 is fixedly connected to the assembly machine body 101 and is located at the bottom of the assembly machine body 101, the fixing plate 203 is fixedly connected to the base frame 202 and is fixedly connected to the assembly machine body 101 and is located on one side of the base frame 202, and the storage box 204 is fixedly connected to the assembly machine body 101 and is located on a side of the assembly machine body 101 close to the fixing plate 203. Through the cooperation of the base frame 202 and the fixing plate 203, the assembly machine as a whole can be fixed at a designated position, and some auxiliary tools can be placed in the storage box 204 to facilitate the use of the staff.

[0033] Secondly, the frame 205 is fixedly connected to the transparent plate 109 and is located on one side of the transparent plate 109, the closed door 206 is rotatably connected to the frame 205 and is located on one side of the frame 205, the latch 207 is fixedly connected to the closed door 206 and slidably connected to the frame 205 and is located on one side of the closed door 206. When the staff checks the LCD screen with backlight bonding on the assembly machine body 101, they can slide the latch 207 into the frame 205, thereby driving the closed door 206 to rotate on the frame 205, and open the protective frame 108, so as to facilitate the staff to randomly inspect the LCD screen.

[0034] The backlight assembly machine described in this embodiment can fix the assembly machine as a whole at a specified position through the cooperation of the base frame 202 and the fixing plate 203. When the staff checks the LCD screen with backlight bonding on the assembly machine body 101, they can slide the latch 207 into the frame 205, thereby driving the closed door 206 to rotate on the frame 205, and open the protective frame 108, so that the staff can spot-check the LCD screen. Some auxiliary tools can be placed in the storage box 204 for the convenience of the staff.

[0035] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A backlight assembly machine, comprising an assembly machine body, characterized in that: Also included are detection components; The detection assembly includes a mounting frame, a detector, a cylinder, a push plate and a placement table; The mounting frame is fixedly connected to the assembly machine body and is located on the side of the assembly machine body. The detector is fixedly connected to the mounting frame and is located on one side of the mounting frame. The cylinder is fixedly connected to the mounting frame and is located on a side of the mounting frame close to the detector. The push plate is fixedly connected to the output end of the cylinder and is located on one side of the cylinder. The placement table is fixedly connected to the assembly machine body and is located on a side of the assembly machine body close to the mounting frame.

2. A backlight assembly machine as claimed in claim 1, characterized in that: The detection component also includes a protective frame and a transparent plate. The protective frame is fixedly connected to the assembly machine body and is located on one side of the assembly machine body. The transparent plate is fixedly connected to the protective frame and is located on one side of the protective frame.

3. A backlight assembly machine as claimed in claim 2, characterized in that: The placement table includes a support frame, a fixed frame, a rotating shaft, a protective layer and a baffle. The support frame is fixedly connected to the assembly machine body and is located on one side of the assembly machine body. The fixed frame is fixedly connected to the support frame and is located on the top of the support frame. The rotating shaft is rotatably connected to the fixed frame and is located on one side of the fixed frame. The protective layer is fixedly connected to the rotating shaft and is located on one side of the rotating shaft. The baffle is fixedly connected to the fixed frame and is located on the top of the fixed frame.

4. A backlight assembly machine as claimed in claim 3, characterized in that: The detection component also includes an auxiliary mechanism, and the auxiliary mechanism is arranged on one side of the assembly machine body.

5. A backlight assembly machine as claimed in claim 4, characterized in that: The auxiliary mechanism includes a base frame, a fixed plate and a storage box. The base frame is fixedly connected to the assembly machine body and is located at the bottom of the assembly machine body. The fixed plate is fixedly connected to the base frame and to the assembly machine body and is located on one side of the base frame. The storage box is fixedly connected to the assembly machine body and is located on one side of the assembly machine body close to the fixed plate.

6. A backlight assembly machine as claimed in claim 5, characterized in that: The auxiliary mechanism also includes a frame, a closed door and a latch, wherein the frame is fixedly connected to the transparent plate and is located on one side of the transparent plate, the closed door is rotatably connected to the frame and is located on one side of the frame, and the latch is fixedly connected to the closed door and slidably connected to the frame and is located on one side of the closed door.