CN110658204A - a detection device - Google Patents

Abstract

The invention discloses a detection device, comprising: a feeding conveyor belt, which is connected with a previous process and used for transmitting a light guide plate; a surrounding cleaning device, located on the side of the feeding conveyor belt, is used for Cleaning around the light guide plate; upper and lower surface cleaning device, arranged at the end of the feeding conveyor belt, used to clean the upper and lower surfaces of the light guide plate; detection device, located at the end of the upper and lower surface cleaning device, used to detect whether the light guide plate is qualified ; A lamination device, located at the end of the detection device, is used for laminating the qualified light guide plate. The detection device reduces the influence of defects such as wool around the product on the detection result, and improves the detection accuracy.

Description

a detection device

technical field

The invention relates to the technical field of light guide plate detection, in particular to a detection device.

Background technique

In the prior art, the upper and lower surfaces of the light guide plate are cleaned before detection, and then the detection device is used for detection. The defects such as the filaments around the light guide plate have a great influence on the detection results, and cannot meet the requirements of accuracy. The entire system is bulky and occupies a lot of space. Larger area.

To sum up, how to effectively solve the problem that defects such as filaments around the light guide plate have a great influence on the detection result is an urgent problem to be solved by those skilled in the art at present.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a detection device, which reduces the influence of defects such as wool around the product on the detection result, and improves the detection accuracy.

In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:

A detection device for detecting a light guide plate, comprising:

The feeding conveyor belt, which is connected with the previous process, is used to transmit the light guide plate;

A surrounding cleaning device, located on the side of the feeding conveyor belt, is used to clean the surrounding of the light guide plate;

an upper and lower surface cleaning device, arranged at the end of the feeding conveyor belt, for cleaning the upper and lower surfaces of the light guide plate;

a detection device, located at the end of the upper and lower surface cleaning device, for detecting whether the light guide plate is qualified;

The film coating device, located at the end of the detection device, is used for coating the qualified light guide plate.

Preferably, the upper and lower surface cleaning device includes an upper and lower surface conveyor belt disposed at the end of the feeding conveyor belt and an upper and lower surface cleaning mechanism running through the upper and lower surface conveyor belt for cleaning the upper and lower surfaces of the light guide plate; the upper and lower surface conveying The end stage of the belt is provided with a positioning mechanism before detection, and the bottom of the stage is provided with a jack-up assembly.

Preferably, the surrounding cleaning device includes a surrounding cleaning platform mechanism for placing the light guide plate, a surrounding cleaning mechanism capable of cleaning the surrounding of the light guide plate placed on the surrounding cleaning platform mechanism, and a surrounding cleaning mechanism capable of conveying the incoming material. The light guide plate on the belt is transported to the surrounding cleaning transport mechanism on the surrounding cleaning platform mechanism, and the upper and lower surface cleaning transport mechanism capable of transporting the light guide plate on the surrounding cleaning platform mechanism to the upper and lower surface cleaning device.

Preferably, the surrounding cleaning mechanism is located between the surrounding cleaning and transporting mechanism and the upper and lower surface cleaning and transporting mechanisms, and the positions of the surrounding cleaning and transporting mechanism and the upper and lower surface cleaning and transporting mechanisms correspond to the feeding conveyor belt and the upper and lower surfaces, respectively. The position of the conveyor belt; the surrounding cleaning mechanism includes a longitudinal sliding module, a vertical sliding module mounted on the longitudinal sliding module and capable of sliding, and a cleaning device mounted on the vertical sliding module and capable of sliding head assembly.

Preferably, the surrounding cleaning platform mechanism includes a lateral sliding module and a slidable rotating cleaning platform mounted on the lateral sliding module, and the lateral sliding module penetrates from the surrounding cleaning and conveying mechanism to the upper and lower sides. A surface cleaning and conveying mechanism, one end of the rotating cleaning platform is provided with a positioning assembly, and the other end is provided with a sensor.

Preferably, the surrounding cleaning and conveying mechanism and the upper and lower surface cleaning and conveying mechanisms include a longitudinal module set perpendicular to the feeding conveyor belt, a vertical module mounted on the longitudinal module and capable of sliding along the longitudinal module The clamping jaw is mounted on the vertical module and can slide along the vertical module.

Preferably, the detection device is located at the end of the upper and lower surface conveyor belts, and the detection device includes a detection fixture mechanism for clamping a light guide plate, and for conveying the light guide plate of the upper and lower surface conveyor belts to the A detection conveying mechanism of the detection fixture mechanism, and a detection mechanism located above the detection fixture mechanism for detecting whether the light guide plate is qualified.

Preferably, the detection jig mechanism includes a moving module, a glass stage mounted on the moving module and capable of sliding, a push-down assembly, a sensor assembly and a light source assembly arranged on the end of the glass stage, and a set of Bar-shaped light alignment components on both sides of the glass stage.

Preferably, the lamination device includes a lamination mechanism capable of laminating the qualified light guide plate, and a lamination conveying mechanism for transporting the qualified light guide plate on the detection fixture mechanism to the lamination mechanism , the film conveying mechanism can convey the unqualified light guide plate to the NG unloading device.

Preferably, both the surrounding cleaning and conveying mechanism and the upper and lower surface cleaning and conveying mechanisms have two clamping jaws, and the detection and conveying mechanism and the film coating conveying mechanism each have one clamping jaw.

The detection device provided by the present invention is used to detect the light guide plate, and the detection device includes an integrated automatic equipment of a feeding conveyor belt, a surrounding cleaning device, an upper and lower surface cleaning device, a detection device and a film coating device. The feeding conveyor belt is docked with the previous process, and the light guide plate processed in the previous process is transported to the feeding conveyor belt. The feeding conveyor belt is driven by the motor to rotate, and the feeding conveyor belt transmits the light guide plate. The feeding conveyor belt is provided with a feeding positioning mechanism, the feeding positioning mechanism can detect the light guide plate, the feeding conveyor belt stops, and waits for the surrounding cleaning device to remove the light guide plate. The surrounding cleaning device is located on the side of the feeding conveyor belt, and the surrounding cleaning device cleans the surrounding light guide plate. The upper and lower surface cleaning device is arranged at the end of the feeding conveyor belt. After cleaning the surrounding of the light guide plate, the surrounding cleaning device transports it to the upper and lower surface cleaning device, and the upper and lower surface cleaning device cleans the upper and lower surfaces of the light guide plate. The detection device is located at the end of the upper and lower surface cleaning devices. After the light guide plate is cleaned, it enters the detection device, and the detection device detects whether the light guide plate is qualified. The lamination device is located at the end of the detection device, and the qualified light guide plate enters the lamination device, and the lamination device coats the qualified light guide plate. The unqualified light guide plate is directly excluded from scrap.

The detection device provided by the invention includes a surrounding cleaning device, which reduces the influence of defects such as wool around the product on the detection result, and improves the detection accuracy; the device reduces the cost under the condition of meeting the requirements of accuracy and the like; the device has a compact structure, The volume is relatively small.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

1 is a schematic structural diagram of a detection device provided by a specific embodiment of the present invention;

Fig. 2 is another view of Fig. 1;

Fig. 3 is the structural representation of the feeding conveyor belt in Fig. 1;

Fig. 4 is the structural representation of the surrounding cleaning device in Fig. 1;

Fig. 5 is the structural representation of the upper and lower surface cleaning device in Fig. 1;

FIG. 6 is a schematic structural diagram of the detection device and the film coating device in FIG. 1;

FIG. 7 is another view of FIG. 6 .

The figures are marked as follows:

Feeding conveyor belt 1, feeding positioning mechanism 2, surrounding cleaning and handling mechanism 3, surrounding cleaning platform mechanism 4, surrounding cleaning mechanism 5, upper and lower surface cleaning and handling mechanism 6, upper and lower surface cleaning mechanism 7, pre-test positioning mechanism 8, detection and handling Mechanism 9 , detection mechanism 10 , detection fixture mechanism 11 , lamination transport mechanism 12 , lamination mechanism 13 .

Detailed ways

The core of the present invention is to provide a detection device, which reduces the influence of defects such as wool around the product on the detection result, and improves the detection accuracy.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to FIG. 1 to FIG. 7 , FIG. 1 is a schematic structural diagram of a detection device provided by a specific embodiment of the present invention; FIG. 2 is another view of FIG. 1 ; FIG. 3 is the structure of the feeding conveyor belt in FIG. 1 Schematic diagram; Figure 4 is a schematic structural diagram of the cleaning device around in Figure 1; Figure 5 is a schematic structural diagram of the upper and lower surface cleaning devices in Figure 1; Figure 6 is a schematic structural diagram of the detection device and the film coating device in Figure 1; Figure 7 is Figure 6 another view.

In a specific embodiment, the detection device provided by the present invention is used to detect the light guide plate, comprising:

Feeding conveyor belt 1, the feeding conveyor belt 1 is docked with the previous process to transmit the light guide plate;

Surrounding cleaning device, located on the side of the feeding conveyor belt 1, is used to clean the surrounding of the light guide plate;

The upper and lower surface cleaning device is arranged at the end of the feeding conveyor belt 1 to clean the upper and lower surfaces of the light guide plate;

The detection device, located at the end of the upper and lower surface cleaning device, is used to detect whether the light guide plate is qualified;

The lamination device, located at the end of the detection device, is used for laminating the qualified light guide plate.

In the above structure, the detection device includes an integrated automation equipment of the feeding conveyor belt 1, the surrounding cleaning device, the upper and lower surface cleaning devices, the detection device and the film coating device.

The feeding conveyor belt 1 is docked with the previous process, and the light guide plate processed in the previous process is transported to the feeding conveyor belt 1. The feeding conveyor belt 1 is driven by the motor to rotate, and the feeding conveyor belt 1 transmits the light guide plate. . The feeding conveyor belt 1 is provided with a feeding positioning mechanism 2. The feeding positioning mechanism 2 can detect the light guide plate, and the feeding conveyor belt 1 stops, waiting for the surrounding cleaning device to remove the light guide plate.

The surrounding cleaning device is located on the side of the feeding conveyor belt 1, and the surrounding cleaning device cleans the surrounding light guide plate.

The upper and lower surface cleaning device is arranged at the end of the feeding conveyor belt 1. After cleaning the surrounding of the light guide plate, the surrounding cleaning device transports it to the upper and lower surface cleaning device, and the upper and lower surface cleaning device cleans the upper and lower surfaces of the light guide plate.

The detection device is located at the end of the upper and lower surface cleaning devices. After the light guide plate is cleaned, it enters the detection device, and the detection device detects whether the light guide plate is qualified.

The lamination device is located at the end of the detection device, and the qualified light guide plate enters the lamination device, and the lamination device coats the qualified light guide plate. The unqualified light guide plate is directly excluded from scrap.

The detection device provided by the invention includes a surrounding cleaning device, which reduces the influence of defects such as wool around the product on the detection result, and improves the detection accuracy; the device reduces the cost under the condition of meeting the requirements of accuracy and the like; the device has a compact structure, The volume is relatively small.

On the basis of the above specific embodiment, the upper and lower surface cleaning device includes upper and lower surface conveyor belts and an upper and lower surface cleaning mechanism 7. The upper and lower surface conveyor belts are arranged at the end of the feeding conveyor belt 1, and the two are close to each other and have a compact structure. The upper and lower surface cleaning mechanism 7 runs through the upper and lower surface conveyor belts, and the upper and lower parts are provided with cleaning heads to clean the upper and lower surfaces of the light guide plate respectively, reducing the influence of impurities on the upper and lower surfaces of the light guide plate on the detection results and improving the detection accuracy.

The end stage of the upper and lower surface conveyor belts is provided with a pre-detection positioning mechanism 8. When the light guide plate reaches the stage, the jacking assembly drives the stage to rise, and the detection front positioning mechanism 8 detects whether the light guide plate reaches the set height. If the set height is reached, the jacking assembly stops, and the light guide plate waits to enter the detection device for detection.

In another more reliable embodiment, on the basis of any of the above embodiments, the surrounding cleaning device includes a surrounding cleaning platform mechanism 4 , a surrounding cleaning mechanism 5 , a surrounding cleaning conveying mechanism 3 and an upper and lower surface cleaning and conveying mechanism 6 . The surrounding cleaning and handling mechanism 3 transports the light guide plate on the feeding conveyor belt 1 to the surrounding cleaning platform mechanism 4, the light guide plate is placed on the surrounding cleaning platform mechanism 4, and the surrounding cleaning mechanism 5 is placed on the surrounding cleaning platform mechanism 4. of cleaning around. The upper and lower surface cleaning and conveying mechanism 6 conveys the light guide plate on the surrounding cleaning platform mechanism 4 to the upper and lower surface cleaning device, and waits to enter the next step. The surrounding cleaning device can not only complete the surrounding cleaning, but also transport the light guide plate, with a relatively high degree of automation.

For the detection devices in the above-mentioned embodiments, the surrounding cleaning mechanism 5 is located between the surrounding cleaning and transporting mechanism 3 and the upper and lower surface cleaning and transporting mechanism 6, and the positions of the surrounding cleaning and transporting mechanism 3 and the upper and lower surface cleaning and transporting mechanism 6 correspond to the feeding conveyance respectively. The position of the belt 1 and the upper and lower surface conveyor belts, the surrounding cleaning and transporting mechanism 3 is used to transport the light guide plate on the feeding conveyor belt 1 to the surrounding cleaning platform mechanism 4, and the upper and lower surface cleaning and transporting mechanism 6 is used to move the surrounding cleaning platform mechanism 4. The light guide plate is transported to the upper and lower surface conveyor belts.

The surrounding cleaning mechanism 5 includes a longitudinal sliding module, a vertical sliding module, and a cleaning head assembly. The vertical sliding module is mounted on the longitudinal sliding module and can slide along the longitudinal sliding module. The cleaning head assembly is installed on the vertical sliding module and can slide on the vertical sliding module, so that the cleaning head assembly can realize longitudinal movement and vertical movement, so as to realize the cleaning of one surface of the light guide plate. It should be noted that here and below, the vertical direction is the direction perpendicular to the paper surface, the vertical direction is the vertical direction, and the horizontal direction is the horizontal direction and is perpendicular to the vertical direction.

On the basis of the above-mentioned specific embodiment, the surrounding cleaning platform mechanism 4 includes a lateral sliding module and a rotating cleaning platform. The rotating cleaning platform is installed on the lateral sliding module and can slide along the rotating cleaning platform, and the lateral sliding module cleans and transports from the surrounding The mechanism 3 penetrates to the upper and lower surface cleaning and conveying mechanism 6, so that the rotating cleaning platform can be transferred from the position of the surrounding cleaning and conveying mechanism 3 to the position of the upper and lower surface cleaning and conveying mechanism 6, thereby transferring the position of the light guide plate.

Preferably, one end of the rotating cleaning platform is provided with a positioning assembly, which can accurately locate the position of the light guide plate on the rotating cleaning platform. The other end of the rotating cleaning platform is provided with a sensor, which can detect whether there is a light guide plate on the rotating cleaning platform and prevent the light guide plate from being repeatedly placed.

In another more reliable embodiment, on the basis of any of the above-mentioned embodiments, the surrounding cleaning and conveying mechanism 3 and the upper and lower surface cleaning and conveying mechanism 6 include a longitudinal module, a vertical module, a clamping jaw, a longitudinal module It is arranged perpendicular to the feeding conveyor belt 1, and the two longitudinal modules are located above the feeding conveyor belt 1 and the upper and lower surface conveyor belts, which is convenient for the light guide plate to switch between the feeding conveyor belt 1, the upper and lower surface conveyor belts, and the rotating cleaning platform. .

At the same time, the vertical module is installed on the vertical module and can slide along the vertical module, and the clamping jaw is installed on the vertical module and can slide along the vertical module, so as to realize the vertical movement and lateral movement of the clamping jaw, It is convenient to adjust the position of the gripper and facilitate the position transfer of the light guide plate.

For the detection devices in the above embodiments, the detection device includes a detection fixture mechanism 11, a detection transport mechanism 9 and a detection mechanism 10. The detection transport mechanism 9 is used to transport the light guide plates of the upper and lower surface conveyor belts to the detection fixture mechanism 11. The detection device is located at the end of the upper and lower surface conveyor belts, and the detection conveying mechanism 9 is located above the end of the upper and lower surface conveyor belts. The detection fixture mechanism 11 is used for clamping the light guide plate, the detection mechanism 10 is located above the detection fixture mechanism 11, and the detection device is a camera, preferably a high-speed camera. , Detection of product points, dirt, scratches, cuts, shrinkage and other poor automatic optical detection equipment, in order to detect whether the light guide plate is qualified.

On the basis of the above-mentioned specific embodiments, the detection fixture mechanism 11 can realize the light guide for the product and control the drawing, including the moving module, the glass stage, the pressing component, the sensor component, the light source component and the strip light alignment. Component, the mobile module is located below the camera and is arranged in the longitudinal direction. The glass stage is mounted on the moving module and can slide along the moving module, and the position of the glass stage can be changed through the moving module. The pressing component is arranged at the end of the glass stage, and the light guide plate is pressed by the pressing component to prevent the position of the light guide plate from changing during the detection process. The sensor assembly is arranged at the end of the glass stage, and detects whether a light guide plate is placed on the upper glass stage. The light source assembly is arranged at the end of the glass stage to provide the light source for the camera. The strip alignment components are arranged on both sides of the glass stage to ensure accurate alignment.

For the detection devices in the above-mentioned embodiments, the lamination device includes a lamination mechanism 13 and a lamination transport mechanism 12. The lamination transport mechanism 12 transports the qualified light guide plate on the detection fixture mechanism 11 to the lamination mechanism 13, and lamination The mechanism 13 coats the light guide plate that has passed the inspection. The unqualified light guide plate enters the NG blanking device to exclude the scrapped light guide plate.

The detection conveying mechanism 9 and the lamination conveying mechanism 12 both include lateral guide rails, longitudinal guide rails and vertical guide rails. light plate to realize the position transfer of the light guide plate.

In another more reliable embodiment, on the basis of any of the above-mentioned embodiments, the surrounding cleaning and conveying mechanism 3 and the upper and lower surface cleaning and conveying mechanism 6 each have two clamping jaws, and the surrounding cleaning device and the upper and lower surface cleaning devices have Two cleaning positions, can clean two light guide plates at the same time, the cleaning effect is high. Both the detection and transport mechanism 9 and the film-coated transport mechanism 12 have a clamping jaw, which is used for single-piece detection. After the detection is completed, the single-piece light guide plate is covered with a film, which is convenient for failure analysis.

The AOI detection system is arranged in the upper frame, and the drive motor, controller and other components are arranged in the lower frame to protect the AOI detection system.

The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the various embodiments can be referred to each other.

The detection device provided by the present invention has been described in detail above. The principles and implementations of the present invention are described herein by using specific examples, and the descriptions of the above embodiments are only used to help understand the method and the core idea of the present invention. It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can also be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention. Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A detection device for detecting a light guide plate, characterized in that, comprising: a feeding conveyor belt (1), the feeding conveyor belt (1) is docked with the previous process, and is used for transmitting the light guide plate; A surrounding cleaning device, located on the side of the feeding conveyor belt (1), is used to clean the surrounding of the light guide plate; an upper and lower surface cleaning device, arranged at the end of the feeding conveyor belt (1), for cleaning the upper and lower surfaces of the light guide plate; a detection device, located at the end of the upper and lower surface cleaning device, for detecting whether the light guide plate is qualified; The film coating device, located at the end of the detection device, is used for coating the qualified light guide plate. 2. The detection device according to claim 1, characterized in that, the upper and lower surface cleaning device comprises an upper and lower surface conveyor belt arranged at the end of the feeding conveyor belt (1) and a conveyor belt running through the upper and lower surfaces for An upper and lower surface cleaning mechanism (7) for cleaning the upper and lower surfaces of the light guide plate; a pre-detection positioning mechanism (8) is provided at the end stage of the upper and lower surface conveyor belts, and a lifting assembly is provided at the bottom of the stage. 3. The detection device according to claim 1, wherein the surrounding cleaning device comprises a surrounding cleaning platform mechanism (4) for placing the light guide plate, which can be placed on the surrounding cleaning platform mechanism (4). The surrounding cleaning mechanism (5) for cleaning the surrounding of the light guide plate, the surrounding cleaning transport mechanism (3) capable of transporting the light guide plate on the feeding conveyor belt (1) to the surrounding cleaning platform mechanism (4) , and an upper and lower surface cleaning conveying mechanism (6) capable of conveying the light guide plate on the surrounding cleaning platform mechanism (4) to the upper and lower surface cleaning device. 4. The detection device according to claim 1, wherein the surrounding cleaning mechanism (5) is located between the surrounding cleaning and transporting mechanism (3) and the upper and lower surface cleaning and transporting mechanism (6), and the surrounding cleaning The positions of the transport mechanism (3) and the upper and lower surface cleaning transport mechanism (6) correspond to the positions of the feeding conveyor belt (1) and the upper and lower surface conveyor belts respectively; the surrounding cleaning mechanism (5) includes a longitudinal sliding module, A vertical sliding module mounted on the vertical sliding module and capable of sliding, and a cleaning head assembly mounted on the vertical sliding module and capable of sliding. 5. The detection device according to claim 1, wherein the surrounding cleaning platform mechanism (4) comprises a lateral sliding module, a rotating cleaning platform that is mounted on the lateral sliding module and can slide, and the The lateral sliding module penetrates from the surrounding cleaning and transporting mechanism (3) to the upper and lower surface cleaning and transporting mechanism (6). One end of the rotating cleaning platform is provided with a positioning component, and the other end is provided with a sensor. 6 . The detection device according to claim 1 , wherein the surrounding cleaning and conveying mechanism ( 3 ) and the upper and lower surface cleaning and conveying mechanism ( 6 ) both comprise a longitudinal direction vertically arranged with the feeding conveyor belt ( 1 ). 7 . A module, a vertical module mounted on the vertical module and capable of sliding along the vertical module, and a clamping jaw mounted on the vertical module and capable of sliding along the vertical module. 7. The detection device according to claim 1, wherein the detection device is located at the end of the upper and lower surface conveyor belts, and the detection device comprises a detection fixture mechanism (11) for clamping the light guide plate, A detection and transport mechanism (9) for transporting the light guide plates of the upper and lower surface conveyor belts to the detection jig mechanism (11), and a detection and transport mechanism (9) located above the detection jig mechanism (11) for detecting whether the light guide plates are qualified Detection mechanism (10). 8 . The detection device according to claim 1 , wherein the detection jig mechanism ( 11 ) comprises a moving module, a glass stage mounted on the moving module and capable of sliding, and a glass stage installed on the moving module. 9 . The pressing component, the sensor component and the light source component at the end of the glass carrier, and the strip-shaped light-aligning components arranged on both sides of the glass carrier. 9 . The detection device according to claim 1 , wherein the lamination device comprises a lamination mechanism ( 13 ) capable of laminating the qualified light guide plate, a detection jig mechanism ( The qualified light guide plates on 11) are transported to the coating transport mechanism (12) of the coating mechanism (13), and the coating transport mechanism (12) can transport the unqualified light guide plates to the NG unloading device. 10. The detection device according to claim 1, characterized in that, the surrounding cleaning and transporting mechanism (3) and the upper and lower surface cleaning and transporting mechanism (6) both have two clamping jaws, and the detection and transporting mechanism (9) and Each of the film transport mechanisms (12) has a clamping jaw.

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