POL surface bubble detection device

Abstract

The utility model discloses a POL surface bubble detection device, and belongs to the technical field of bubble detection. The device mainly comprises a machine body and a detection mechanism, a feeding machine is arranged on the machine body, a conveying mechanism is arranged on the machine body, the feeding machine is located on one side of the conveying mechanism, the detection mechanism is located in the machine body, the detection mechanism comprises a pair of lifting assemblies, a light source plate and a driving assembly, each lifting assembly comprises a lifting plate, and a detection camera is installed on each lifting plate; wherein the detection camera is located on one side of the light source plate, and the light source plate is located above the conveying mechanism. According to the POL surface bubble detection device, the workpiece is moved to the conveying mechanism through the feeding machine, the detection camera located at the upper position is used for detecting the surface of the workpiece, whether bubbles exist on the surface of the workpiece or not is judged, the workpiece without the bubbles is discharged through the conveying mechanism, and if the bubbles exist, an alarm is given to prompt an operator to take out the bubbles; the time and labor cost required by manual detection are reduced, and the detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of bubble detection, in particular to a POL surface bubble detection device. BACKGROUND

[0002] A polarizing sheet (POL) is an important component of a liquid crystal display screen and has a direct influence on the definition and display effect of an image. In the production process of the liquid crystal display screen, the polarizing sheet needs to undergo a series of complex processing steps, including punching treatment to avoid camera parts, signal receiving parts and the like. However, due to various factors such as cutters, operators and materials, bubbles may be generated during the attaching process. Not only does this affect the display effect of the display screen, but it also reduces the overall quality of the product.

[0003] Traditional bubble detection methods mostly rely on manual detection, which requires operators to observe and judge whether bubbles exist at each detection point one by one. This process is time-consuming, especially in a large-scale production environment, which leads to a prolonged production cycle. In addition, long-term work of operators may cause operator fatigue, further increasing the risk of misjudgment.

[0004] Therefore, it is necessary to provide a POL surface bubble detection device to solve the above problems.

[0005] It should be noted that the above information disclosed in the background section of the present application is only used to understand the background technology of the concept of the present application, and therefore, it can contain information that does not constitute prior art. CONTENT OF THE UTILITY MODEL

[0006] Based on the above problems existing in the prior art, the present application solves the problem of providing a POL surface bubble detection device. The workpiece is moved to the conveying mechanism by the feeding machine, and the surface of the workpiece is detected by the detection camera located above, to determine whether bubbles exist on the surface. The workpiece without bubbles is discharged through the conveying mechanism, and the workpiece with bubbles is alarmed to prompt the operator to take it out, reducing the time and labor cost required for manual detection and improving the detection efficiency.

[0007] The technical solution adopted by the present application to solve its technical problems is: a POL surface bubble detection device, comprising: a machine body and a detection mechanism, the machine body is provided with a feeding machine, and the machine body is provided with a conveying mechanism, the feeding machine is located on one side of the conveying mechanism, the detection mechanism is located inside the machine body, the detection mechanism comprises a pair of lifting assemblies, a light source plate and a driving assembly, the lifting assembly comprises a lifting plate, and a detection camera is installed on the lifting plate; wherein the detection camera is located on one side of the light source plate, and the light source plate is located above the conveying mechanism.

[0008] Further, the lifting assembly further comprises a first mounting plate and a second mounting plate, both of which are mounted to the inner wall of the machine body, and a pair of guide columns are mounted between the first mounting plate and the second mounting plate, both of which penetrate the lifting plate and are in sliding connection with the lifting plate.

[0009] Further, the pair of lifting plates are symmetrically distributed, and the light source plate is mounted to the bottom of the pair of lifting plates.

[0010] Further, a screw rod is rotatably connected between the first mounting plate and the second mounting plate, the screw rod is in threaded connection with the lifting plate, and a driven pulley is mounted to the top end of the screw rod.

[0011] Further, the driving assembly comprises a belt, and the pair of driven pulleys are in transmission connection through the belt.

[0012] Further, the driving assembly further comprises a mounting block, which is mounted to the inside of the machine body, and a motor is mounted on the mounting block, a driving pulley is in key connection with the output end of the motor, and the driving pulley is in abutment with the inner side wall of the belt.

[0013] Further, a pair of abutment wheels are rotatably connected to the mounting block, both of which are located on the two sides of the driving pulley and are in abutment with the outer side wall of the belt.

[0014] The beneficial effects of the present application are: the POL surface bubble detection device provided by the present application moves the workpiece to the conveying mechanism through the feeding machine, detects the surface of the workpiece by using the detection camera located at the upper position, judges whether there is a bubble on the surface, and the workpiece without bubbles is discharged through the conveying mechanism, and the workpiece with bubbles is prompted to be taken out by the operator, thereby reducing the time and labor cost required for manual detection and improving the detection efficiency.

[0015] In addition to the purposes, features and advantages described above, the present application has other purposes, features and advantages. The present application will be further described below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings accompanying the specification of the present application form a part thereof, serve to provide further understanding of the present application, and together with the description of the present application, serve to explain the present application, and do not constitute an improper limitation of the present application.

[0017] In the drawings:

[0018] Figure 1 is a schematic diagram of the overall structure;

[0019] Figure 2 is a schematic diagram of the local structure;

[0020] Figure 3This is a schematic diagram of the testing organization's structure;

[0021] Figure 4 This is a schematic diagram of the first structure of the lifting assembly;

[0022] Figure 5 This is a schematic diagram of the second structure of the lifting assembly.

[0023] The following are the labeling elements in the figure:

[0024] 1. Machine body; 2. Feeder; 3. Conveying mechanism; 4. Detection mechanism; 41. Lifting assembly; 411. First mounting plate; 412. Second mounting plate; 413. Lifting plate; 414. Screw; 415. Guide column; 416. Detection camera; 417. Driven pulley; 42. Light source plate; 43. Drive assembly; 431. Mounting block; 432. Motor; 433. Drive pulley; 434. Abutment wheel; 435. Belt. Detailed Implementation

[0025] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0026] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0027] like Figures 1-5 As shown, this application provides a POL surface bubble detection device, including: a body 1 and a detection mechanism 4. The body 1 is provided with a feeding machine 2, which can be a robotic arm for feeding LCD screens. The body 1 is also provided with a conveying mechanism 3, which can be a conveyor belt. The feeding machine 2 is located on one side of the conveying mechanism 3. The detection mechanism 4 is located inside the body 1. The detection mechanism 4 includes a pair of lifting components 41, a light source plate 42, and a drive component 43. The lifting components 41 include a lifting plate 413, on which a detection camera 416 is mounted. The detection camera 416 is located on one side of the light source plate 42, and the light source plate 42 is located above the conveying mechanism 3.

[0028] In the embodiment, the scheme is a device for detecting whether there is a bubble on the POL surface of a liquid crystal screen. Specifically, the workpiece is moved to the conveying mechanism 3 by the feeding machine 2, the detection camera 416 in the lifting assembly 41 is used to detect the surface of the workpiece, and it is judged whether there is a bubble on the surface. The workpiece without bubbles is discharged through the conveying mechanism 3, and the workpiece with bubbles is alarmed to prompt the operator to take out.

[0029] Wherein, by setting the light source plate 42, a stable and uniform light condition is provided for the detection camera 416, so as to ensure that the camera can capture high-quality images.

[0030] As shown in Figures 1-3 The lifting assembly 41 further includes a first mounting plate 411 and a second mounting plate 412, both of which are mounted to the inner wall of the machine body 1. A pair of guide columns 415 is mounted between the first mounting plate 411 and the second mounting plate 412. The pair of guide columns 415 penetrates the lifting plate 413 and is in sliding connection with the lifting plate 413. The pair of lifting plates 413 is symmetrically distributed. The light source plate 42 is mounted to the bottom of the pair of lifting plates 413. The first mounting plate 411 and the second mounting plate 412 are rotatably connected with a screw rod 414. The screw rod 414 is in threaded connection with the lifting plate 413, and the top end of the screw rod 414 is provided with a driven pulley 417.

[0031] In the embodiment, the driving assembly 43 is arranged to drive the pair of screw rods 414 to rotate, so that the lifting plate 413 moves vertically, and synchronously drives the detection camera 416 and the light source plate 42 to move, so as to adjust the detection range and flexibly cope with liquid crystal screens of different sizes.

[0032] As shown in Figures 3-5 The driving assembly 43 includes a belt 435, and the pair of driven pulleys 417 is in transmission connection through the belt 435. The driving assembly 43 further includes a mounting block 431 mounted to the inside of the machine body 1, and the mounting block 431 is provided with a motor 432. The output end of the motor 432 is in key connection with a driving pulley 433. The driving pulley 433 abuts against the inner side wall of the belt 435. The mounting block 431 is rotatably connected with a pair of abutting wheels 434. The pair of abutting wheels 434 are respectively located on both sides of the driving pulley 433, and the pair of abutting wheels 434 abut against the outer side wall of the belt 435.

[0033] In the embodiment, the motor 432 is arranged to control the driving pulley 433 to rotate. Under the action of the friction force of the driving pulley 433 and the abutting wheel 434, the belt 435 is driven to move, so as to synchronously drive the pair of driven pulleys 417 to rotate, and further control the pair of screw rods 414 to rotate, so as to realize the vertical movement of the detection camera 416 and the light source plate 42.

[0034] Working principle:

[0035] The workpiece is moved to the conveying mechanism 3 through the feeding machine 2, the surface of the workpiece is detected by the detection camera 416 in the lifting assembly 41, it is judged whether there is bubble on the surface, the workpiece without bubble is discharged through the conveying mechanism 3, the workpiece with bubble is prompted to the operator to take out, and the driving pulley 433 can be controlled to rotate through the motor 432, the belt 435 is driven to move, so as to synchronously drive a pair of driven pulleys 417 to rotate, and then control a pair of screw rods 414 to rotate, so as to realize the movement of the detection camera 416 and the light source plate 42 in the vertical direction, so that the detection range can be adjusted, and different sizes of liquid crystal screens can be flexibly coped with.

[0036] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A POL surface bubble detection apparatus, characterized by: Include: Machine body (1), the machine body (1) is provided with a feeding machine (2), and the machine body (1) is provided with a conveying mechanism (3), the feeding machine (2) is located on one side of the conveying mechanism (3); Detection mechanism (4), the detection mechanism (4) is located in the machine body (1), the detection mechanism (4) includes a pair of lifting assembly (41), light source plate (42) and drive assembly (43), the lifting assembly (41) includes lifting plate (413), the lifting plate (413) is installed with detection camera (416); Wherein, the detection camera (416) is located on one side of the light source plate (42), and the light source plate (42) is located above the conveying mechanism (3).

2. The POL surface bubble detection apparatus of claim 1, wherein: The lifting assembly (41) further includes a first mounting plate (411) and a second mounting plate (412), the first mounting plate (411) and the second mounting plate (412) are mounted to the inner wall of the machine body (1), a pair of guide columns (415) are mounted between the first mounting plate (411) and the second mounting plate (412), a pair of the guide columns (415) penetrate through the lifting plate (413) and are connected with the lifting plate (413) slidingly.

3. The POL surface bubble detection apparatus of claim 1, wherein: A pair of the lifting plate (413) is symmetrically distributed, and the light source plate (42) is mounted to the bottom of the pair of lifting plate (413).

4. The POL surface bubble detection apparatus of claim 2, wherein: The first mounting plate (411) and the second mounting plate (412) are rotatably connected with a screw rod (414), the screw rod (414) is threadedly connected with the lifting plate (413), and a driven pulley (417) is mounted at the top end of the screw rod (414).

5. A POL surface bubble detection apparatus as claimed in claim 4, wherein: The drive assembly (43) includes a belt (435), and a pair of the driven pulley (417) is drivingly connected through the belt (435).

6. The POL surface bubble detection apparatus of claim 1, wherein: The drive assembly (43) further includes a mounting block (431), the mounting block (431) is mounted to the inside of the machine body (1), and a motor (432) is mounted on the mounting block (431), a driving pulley (433) is keyed connected to the output end of the motor (432), and the driving pulley (433) abuts with the inner side wall of the belt (435).

7. A POL surface bubble detection apparatus as claimed in claim 6, wherein: A pair of abutting wheels (434) are rotatably connected to the mounting block (431), a pair of the abutting wheels (434) are located on both sides of the driving pulley (433) respectively, and a pair of the abutting wheels (434) abut with the outer side wall of the belt (435).

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