CN114414586A - Optical film automatic online testing equipment - Google Patents

Abstract

The utility model relates to an automatic on-line measuring equipment of blooming uses in blooming production field, and it includes the test rack, be equipped with the conveyer belt that is used for carrying the blooming on the test rack, first detection device, cleaning device and second detection device have set gradually on the test rack respectively, first detection device includes first support, be equipped with on the first support and be used for shooing the first camera that detects to the blooming on the conveyer belt, second detection device includes the second support, be equipped with on the second support and be used for shooing the second camera that detects to the blooming on the conveyer belt, cleaning device is used for clearing up the blooming on the conveyer belt. The application has the technical effects that: the accuracy of the detection result of the optical film is improved.

Description

Optical film automatic online testing equipment

technical field

The present application relates to the technical field of optical film inspection, and in particular, to an automatic online inspection device for optical films.

Background technique

Optical film is a thin and uniform dielectric film attached to the surface of optical devices; the application of optical film is ubiquitous, from the coating of glasses to the liquid crystal display of mobile phones, computers and TVs to LED lighting, etc., it floods us All aspects of life and make our lives more colorful. In the process of generating optical films, it is necessary to inspect the optical films after production, and remove unqualified optical films with surface defects or scratches, so as to reduce the unqualified rate of optical films and improve the quality of optical films.

Announcement No. CN205786393U discloses an intelligent optical film online detection equipment, including a camera rotation device, and the camera rotation device includes a cylinder bracket, a cylinder, a gear rack limit frame, a gear rack, a small bracket, a gear fastening bolt, a gear, a gear Shaft, camera bracket, fine-tuning knob; the small bracket is fixed on the vision equipment bracket, the gear rack limit frame is fixed on the vision equipment bracket through the small bracket, the cylinder bracket is fixed on the vision equipment bracket, the cylinder is installed on the cylinder bracket, the cylinder The piston rod is connected to the gear rack, and the gear rack is installed in the gear rack limit frame; the gear is installed on the gear shaft to mesh with the gear rack; the gear shaft is installed on the beam through the hole on the beam of the visual equipment bracket, and can be driven by the gear. Rotate; the bottom of the gear shaft is fixed on the camera bracket, a fine-tuning knob is installed on the camera bracket, and the high-precision camera is installed at the lower end of the camera bracket.

In the process of realizing the present application, the inventor found that there are at least the following problems in this technology: in the process of detecting the optical film by the above-mentioned detection equipment, the detection equipment may misjudge the optical film due to debris adhering to the surface of the optical film. There are defects in the film, resulting in less accurate inspection results of the optical film.

SUMMARY OF THE INVENTION

In order to improve the accuracy of optical film detection results, an optical film automatic online detection equipment provided by the present application adopts the following technical scheme: an optical film automatic online detection equipment, which includes a detection frame, and a detection frame is provided on the detection frame. For the conveyor belt conveying the optical film, the detection frame is respectively provided with a first detection device, a cleaning device and a second detection device, the first detection device includes a first bracket arranged on the detection frame, the first detection device A bracket is provided with a first camera for photographing and detecting the optical film on the conveyor belt, the second detection device includes a second bracket arranged on the detection frame, and the second bracket is provided with a camera for detecting the optical film on the conveyor belt The second camera is used for photographing and detecting the optical film on the conveyor belt, and the cleaning device is used to clean the optical film on the conveyor belt.

Through the above technical solution, the optical film to be tested will pass through the first camera, the cleaning device and the second camera in sequence under the conveyance of the conveyor belt. The first camera will first test the optical film below. If the test result is unqualified, then The cleaning device will start to clean the optical film, and then the second camera will test the cleaned optical film again. If there are no defects, the optical film is judged to be qualified; when the first camera detects that there may be defects on the surface of the optical film, the cleaning device is synchronously controlled to clean the optical film, which reduces the damage of the optical film due to debris adhering to the surface of the optical film. It is possible to misjudge the existence of defects, thereby improving the accuracy of optical film inspection results.

In a specific embodiment, the cleaning device includes a cleaning frame disposed on the detection frame, a fan and a cleaning pipe are respectively provided on the cleaning frame, and the air outlet of the fan is communicated with the cleaning pipe, and the The cleaning pipe is provided with a number of cleaning holes which are inclined towards the direction of the optical film.

Through the above technical solution, when the first camera detects that the detection result of the optical film below is unqualified, the fan will start to blow air into the cleaning pipe for a preset time, and the air entering the cleaning pipe will be uniformly blown through several cleaning holes for optical The surface of the film, so that debris and other debris on the surface of the optical film can be detached from the optical film under the driving of the air flow, so as to achieve the effect of cleaning the optical film.

In a specific implementation, the detection frame is further provided with an impurity removal device for cleaning the optical film, the impurity removal device is located between the first detection device and the cleaning device, and the impurity removal device includes An impurity-removing frame arranged on the detection frame, the impurity-removing frame is rotatably connected with an impurity-removing roller, the outer edge of the impurity-removing roller is provided with bristles, and the optical film is pressed between the bristles and the conveyor belt, The impurity removing frame is also provided with a first motor for driving the impurity removing roller to rotate.

Through the above technical solution, when the first motor is started, the cleaning roller will be driven to rotate, and then the bristles on the outer edge of the cleaning roller will rotate against the optical film under the driving of the cleaning roller, so as to be partially adhered to the optical film. The debris can be detached from the optical film under the action of the brush, and then stably blown off when passing through the cleaning device, reducing the possibility that part of the debris adheres to the optical film and is difficult to be blown off, thereby further improving the accuracy of the optical film. The cleaning effect of the optical film; at the same time, the setting of the impurity removal roller also has the effect of limiting the position of the optical film, so that the optical film pressed between the bristles and the conveyor belt is not easy to be offset under the action of the cleaning airflow. situation, so that the second camera can stably detect the optical film.

In a specific implementation, an adjusting rod is rotatably connected to the trash removing frame, a first fixing block is provided on the adjusting rod, and a second fixing block is also erected on the trash removing rack, and the trash removing rack is also provided with a second fixing block. The two ends of the miscellaneous roller are respectively connected to the first fixed block and the second fixed block in rotation, the detection frame is also provided with a driving component for driving the rotation of the adjustment rod, and the output end of the first motor is fixedly sleeved with a first fixed block. A bevel gear, a second bevel gear is fixedly sleeved on the impurity removal roller, and the first bevel gear and the second bevel gear are meshed with each other.

Through the above technical solution, the first motor will drive the first bevel gear to rotate the second bevel gear when starting, and then the impurity removal roller will drive the bristles to rotate against the optical film under the driving of the second bevel gear to rotate the optical film. Cleaning; the drive assembly will drive the adjustment rod to drive the first fixed block to rotate when it is started, and then the first fixed block will drive the second fixed block to rotate around the adjustment rod through the impurity removal roller, so as to achieve the removal of the impurity removal roller from the surface of the optical film. The effect of opening is so that the staff can easily clean the impurity removal roller.

In a specific embodiment, the drive assembly includes a second motor disposed on the detection frame, the output end of the second motor is fixedly sleeved with a driving gear, and the adjustment rod is fixedly sleeved with a driven gear A gear, the driving gear and the driven gear are meshed with each other.

Through the above technical solution, when the second motor is started, the driving gear will drive the driven gear to rotate, and the adjusting rod will rotate synchronously under the driving of the driven gear, thereby achieving the effect of driving the adjusting rod to rotate.

In a specific embodiment, an electromagnet is provided on the impurity removing frame, an iron sheet is provided on the second fixing block, and the iron sheet is pressed against and adsorbed on the electromagnet.

Through the above technical solution, during the normal operation of the impurity removal roller, the electromagnet is in an energized state, and under the magnetic force of the electromagnet, the iron sheet will be tightly adsorbed on the electromagnet, so that the second fixing block is not easy to be under the action of external force. The movement relative to the detection frame achieves the effect of fixing the second fixing block; it reduces the vibration of the second fixing block relative to the detection frame under the action of external force during the optical film detection process, which affects the cleaning effect of the cleaning roller on the optical film possible, so that the impurity removal roller can stably remove impurities from the optical film.

In a specific embodiment, the impurity removal roller includes a first rotating rod, a movable rod and a second rotating rod, the first rotating rod is rotatably connected to the first fixed block, and the second rotating rod rotates Connected to the second fixed block, the outer edge of the movable rod is sleeved with a movable tube, the bristles are arranged on the outer edge of the movable tube, the outer edge of the movable tube is provided with a limit block, and the movable rod is provided with There is a limit slot matched with the limit block, the limit block is correspondingly inserted in the limit slot, and the movable rod is detachably connected between the first rotating rod and the second rotating rod through a connecting assembly.

Through the above technical solution, after the worker removes the impurity roller from the optical film by starting the second motor to drive the adjusting rod to rotate, the movable rod can be removed from between the first rotating rod and the second rotating rod, and then The bristles are removed from the movable rod by taking the movable tube out of the movable rod, so that the staff can easily clean the bristles, or replace the bristles as a whole by replacing the movable tube.

In a specific embodiment, the connecting assembly includes a first connecting plate and a second connecting plate respectively disposed at both ends of the movable rod, and the first rotating rod is provided with a first connecting plate matching the first connecting plate. a connecting groove, the first connecting plate is correspondingly inserted into the first connecting groove, the first rotating rod is provided with a first bolt passing through the first rotating rod and the first connecting plate, the first bolt A first nut is threadedly connected to the end of the plate, the first nut is pressed against the first rotating rod, and the second rotating rod is provided with a second connecting groove matching the second connecting plate. The connecting plate is correspondingly inserted into the second connecting groove, the second rotating rod is provided with a second bolt which passes through the second rotating rod and the second connecting plate, and the end of the second bolt is threadedly connected with a second bolt. Two nuts, the second nuts are pressed against the second rotating rod.

Through the above technical solution, when the movable rod needs to be disassembled, the staff can remove the first bolt and the second bolt by disassembling the bolts, and then connect the first connection plate and the second connection by pulling the movable rod. The plate is pulled out, so as to achieve the effect of disassembling the movable rod, so that the staff can easily clean or replace the bristles.

In a specific implementation, the limit block is provided with a first magnet block, and the groove wall of the limit slot is provided with a second magnet block; when the limit block is correspondingly inserted in the When inside the limiting slot, the first magnet block and the second magnet block are pressed against each other and adsorbed tightly.

Through the above technical solution, when the movable tube is sleeved on the outer edge of the movable rod and the limit block is correspondingly inserted into the limit slot, the first magnetic block and the second magnetic block will be pressed against each other and adsorbed so that the movable tube is not easily affected by external forces. It moves relative to the movable rod under the action, so as to achieve the effect of pre-fixing the movable tube, reducing the possibility of inconvenience caused by the movement of the movable tube relative to the movable rod when the staff installs the movable rod, thereby improving the It improves the convenience of the staff when installing the movable pole.

In a specific embodiment, a connecting frame is provided between the first fixing block and the second fixing block.

Through the above technical solution, the second fixed block is fixedly connected to the first fixed block through the connecting frame, so that the staff does not need to install or disassemble the first fixed block separately during the process of disassembling the impurity removal roller, thereby further improving the The convenience of the staff when removing the trash removal roller.

To sum up, the present application includes at least one of the following beneficial technical effects:

1. The optical film to be tested will pass through the first camera, the cleaning device and the second camera in sequence under the conveyance of the conveyor belt. The first camera will first detect the optical film below. If the test result is unqualified, the cleaning device will Start to clean the optical film, and then the second camera will re-inspect the cleaned optical film. If the inspection result of the second camera is defective, the optical film is determined to be unqualified; if the inspection result of the second camera is non-existent If the optical film is defective, the optical film is judged to be qualified; when the first camera detects that there may be defects on the surface of the optical film, the cleaning device is synchronously controlled to clean the optical film, which reduces the misjudgment of the optical film as a result of debris adhering to the surface of the optical film. There is the possibility of flaws, thereby improving the accuracy of optical film inspection results;

2. When the first motor is started, it will drive the cleaning roller to rotate, and then the bristles on the outer edge of the cleaning roller will rotate against the optical film under the driving of the cleaning roller, so as to facilitate some debris adhering to the optical film. It can be detached from the optical film under the action of the brush, and then stably blown off when passing through the cleaning device, reducing the possibility of some debris adhering to the optical film and being difficult to blow off, thereby further improving the optical film. At the same time, the setting of the impurity removal roller also has the effect of restricting the position of the optical film, so that the optical film pressed between the bristles and the conveyor belt is not easy to be offset under the action of the cleaning air flow, so that the The second camera can stably detect the optical film.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application.

FIG. 2 is a schematic view of the structure of the embodiment of the present application for showing that the impurity removal roller is in an open state.

FIG. 3 is a schematic cross-sectional view of an impurity-removing roller according to an embodiment of the present application.

FIG. 4 is an enlarged schematic view of A in FIG. 3 .

Reference numerals: 1, detection frame; 2, conveyor belt; 3, first detection device; 4, cleaning device; 5, second detection device; 6, first bracket; 7, first camera; 8, second bracket ; 9, the second camera; 10, the cleaning frame; 11, the fan; 12, the cleaning pipe; 14, the impurity removal device; 15, the impurity removal frame; 16, the impurity removal roller; 17, the brush hair; 18, the first motor; 19 20, the first fixed block; 21, the second fixed block; 22, the first bevel gear; 23, the second bevel gear; 24, the second motor; 25, the driving gear; 26, the driven gear; 27 , electromagnet; 28, iron piece; 29, first rotating rod; 30, movable rod; 31, second rotating rod; 32, movable tube; 33, limit block; 34, limit slot; 35, first connection plate; 36, the second connecting plate; 37, the first connecting groove; 38, the first bolt; 39, the first nut; 40, the second connecting groove; 41, the second bolt; 42, the second nut; 43, the first A magnetic block; 44, a second magnetic block; 45, a connecting frame.

Detailed ways

The present application will be further described in detail below in conjunction with accompanying drawings 1-4.

The embodiment of the present application discloses an automatic online detection device for an optical film.

As shown in FIG. 1 , the optical film automatic on-line inspection equipment includes a detection frame 1 . The detection frame 1 is provided with a conveyor belt 2 for conveying the optical film. The detection frame 1 is sequentially provided with a first detection device along the conveying direction of the conveyor belt 2 . 3. The cleaning device 4 and the second detection device 5; the first detection device 3 and the second detection device 5 are both used to photograph the optical film on the conveyor belt 2 and judge whether there is any defect on the surface of the optical film according to the photographed picture , the cleaning device 4 is used for cleaning the optical film.

As shown in FIG. 1 , the first detection device 3 includes a first bracket 6 fixedly connected to the detection frame 1 , and a first camera 7 for photographing the optical film on the conveyor belt 2 is connected to the first bracket 6 . The second detection device 5 includes a second bracket 8 fixedly connected to the detection frame 1, and the second bracket 8 is connected with a second camera 9 for photographing the optical film on the conveyor belt 2; When the detection result is that the optical film is defective, the cleaning device 4 will start synchronously for a preset time to clean the optical film, and then the second camera 9 will shoot and test the cleaned optical film again. If the detection result is still flawed, it is determined that the optical film is unqualified; in the process of testing the optical film, the quality of the optical film is determined based on the inspection result of the second camera 9 after cleaning the optical film by the cleaning device 4. The setting of the judgment reduces the possibility that the optical film is mistakenly judged to be defective due to the debris adhering to the surface of the optical film, thereby improving the accuracy of the detection result of the optical film; at the same time, the cleaning device 4 is only used in the first camera 7 It only starts when it is detected that there may be defects on the surface of the optical film, which has the effect of energy saving and environmental protection.

As shown in FIG. 1 , the cleaning device 4 is configured to include a cleaning frame 10 fixedly connected to the detection frame 1 , and a fan 11 and a cleaning pipe 12 are respectively fixedly connected to the cleaning frame 10 , and the axis of the cleaning pipe 12 is along the conveyor belt 2 . The conveying direction is set, the cleaning pipe 12 is located above the side of the optical film, the air outlet of the fan 11 is communicated with the cleaning pipe 12, and the cleaning pipe 12 is also provided with a number of cleaning holes inclined towards the direction of the optical film; when the first camera 7 shoots When the later detection result is that the optical film is defective, the fan 11 will start synchronously for a preset time. Therefore, when the fan 11 is started, the air flow will be blown into the cleaning pipe 12, and then the air flow in the cleaning pipe 12 will be evenly blown to the surface of the optical film along several cleaning holes, so that the debris on the surface of the optical film can be driven by the air flow. The lower part is separated from the optical film, so as to achieve the effect of cleaning the optical film.

As shown in FIG. 1, considering that there may be debris adhering to the surface of the optical film, it is difficult to blow off the debris adhering to the surface of the optical film by solely relying on the blower 11 and the cleaning pipe 12 to blow the airflow toward the optical film. In order to improve the cleaning effect of the optical film and reduce the misjudgment rate of the optical film detection result, an impurity removal device 14 for cleaning the optical film can also be set on the detection frame 1, and the impurity removal device 14 is located in the first detection Between device 3 and cleaning device 4.

As shown in FIG. 1 , the impurity removing device 14 is configured as follows: including an impurity removing frame 15 fixedly connected to the detection frame 1 , on which is rotatably connected an impurity removing roller 16 , and the axis direction of the impurity removing roller 16 is related to the conveying direction. The conveying direction of the belt 2 is vertical, the outer edge of the impurity removing roller 16 is evenly connected with a number of bristles 17, the optical film is pressed between the bristles 17 and the conveyor belt 2, and the impurity removing frame 15 is also provided with a drive for driving the impurity removing roller 16. The rotating first motor 18 is in the starting state in the initial state. Therefore, the first motor 18 will drive the impurity removal roller 16 to drive the bristles 17 to rotate against the optical film, so that the debris adhering to the optical film can be detached from the optical film under the action of the bristles 17, thereby making the optical film When the debris passes through the cleaning pipe 12, it can be detached from the surface of the optical film under the action of the air flow blown from the cleaning pipe 12, which reduces the possibility that part of the debris adheres to the surface of the optical film and is difficult to be blown off, thereby further improving the The cleaning effect of the optical film is improved, and the misjudgment rate of the detection result of the optical film is reduced.

As shown in Figures 2 and 3, considering that the cleaning roller 16 is in a position close to the optical film, it is inconvenient to clean the brush roller. In order to allow the staff to clean the brush roller regularly and conveniently, the first step A motor 18 drives the impurity removal roller 16 to rotate in the following way: the output end of the first motor 18 is fixedly sleeved with a first bevel gear 22, the impurity removal roller 16 is fixedly sleeved with a second bevel gear 23, and the first bevel gear 22 meshes with the second bevel gear 23; an adjusting rod 19 is rotatably connected to the trash removal frame 15, the axis of the adjusting rod 19 is the same as the conveying direction of the conveyor belt 2, and the outer edge of the adjusting rod 19 is fixedly sleeved with a first fixing block 20. The first fixing block 20 is connected with the second fixing block 21 through the connecting frame 45.

As shown in FIG. 2 and FIG. 3 , the two ends of the impurity removal roller 16 along its length direction are respectively connected to the first fixing block 20 and the second fixing block 21 in rotation. When the drive assembly is activated, it will drive the adjusting rod 19 to drive the first fixing block 20 to rotate 180 degrees. Therefore, when the cleaning roller 16 needs to be cleaned, the worker can start the drive assembly to drive the first fixing block 20 to drive the cleaning roller 16 to rotate 180 degrees around the adjusting rod 19, and move the cleaning roller 16 away from the optical film until the detection is performed. one side of the frame 1, so that the staff can easily clean the bristles 17 on the cleaning roller 16; the setting of the first bevel gear 22 and the second bevel gear 23 enables the first motor 18 to interact with the cleaning roller 16 The vertical arrangement has the effect of saving space, so that the impurity removing roller 16 can be stably rotated around the adjusting rod 19 under the driving of the driving assembly.

As shown in FIG. 2 , the drive assembly is configured to include a second motor 24 fixedly connected to the detection frame 1 , the output end of the second motor 24 is fixedly sleeved with a driving gear 25 , and the adjusting rod 19 is fixedly sleeved with a drive gear 25 . The driving gear 26, the driving gear 25 and the driven gear 26 are meshed with each other. Therefore, when the staff needs to clean the bristles 17 on the cleaning roller 16, the second motor 24 can be started to drive the driving gear 25 to drive the driven gear 26 to rotate 180 degrees, and then the adjusting rod 19 will be driven by the driven gear 26. The first fixing block 20 and the impurity removing roller 16 are driven to rotate 180 degrees, so that the staff can easily clean the bristles 17 on the impurity removing roller 16 .

As shown in FIG. 2, in order to improve the stability of the cleaning roller 16 when cleaning the optical film, an electromagnet 27 is also fixedly connected to the cleaning frame 15, and an iron sheet 28 is fixedly connected to the second fixing block 21. In the initial state , the electromagnet 27 is in the energized state and the iron piece 28 and the electromagnet 27 are pressed against each other and adsorbed. Therefore, under the restriction of the electromagnet 27 and the iron piece 28, the second fixing block 21 is not easy to drive the cleaning roller 16 to rotate along the adjusting rod 19 under the action of external force, so that the cleaning roller 16 can stably pass the bristles 17 to the optics. The film is cleaned, thereby improving the stability of the cleaning roller 16 when cleaning the optical film; when the cleaning roller 16 needs to be cleaned, the staff can first disconnect the power of the electromagnet 27, and then start the second motor 24 to remove the impurities. After the cleaning roller 16 is reset, the staff can energize the electromagnet 27 again, so that the battery iron 27 can fix the second fixing block 21, so that the cleaning roller 16 can be stably Clean the optical film.

As shown in FIG. 3 , considering that when the bristles 17 on the impurity removing roller 16 are severely worn out due to long-term use, it may be difficult for the impurity removing roller 16 to continue to stably clean the optical film, the impurity removing roller 16 may be set to include The first rotating rod 29, the movable rod 30 and the second rotating rod 31, the first rotating rod 29 is rotatably connected to the first fixed block 20, the second rotating rod 31 is rotatably connected to the second fixed block 21, and the movable rod 30 is located at the Between the first rotating rod 29 and the second rotating rod 31, and the two ends of the movable rod 30 along its own length direction are detachably connected to the first rotating rod 29 and the second rotating rod 31 through the connecting components, respectively. The outer edge is sleeved with a movable tube 32, and the bristles 17 are evenly bonded to the outer edge of the movable tube 32. The movable tube 32 is located between the first rotating rod 29 and the second rotating rod 31, and the two ends are respectively connected with the first rotating rod 29 and the second rotating rod 31. The second rotation lever 31 is in contact.

As shown in FIG. 3 and FIG. 4 , the outer edge of the movable tube 32 is fixedly connected to the limit block 33 , the movable rod 30 is provided with a limit groove 34 matching the limit block 33 , and the limit block 33 is correspondingly inserted in the In the limiting slot 34 , under the restriction of the limiting block 33 and the limiting slot 34 , the movable tube 32 and the movable rod 30 will keep rotating synchronously. Therefore, after the worker turns the impurity removal roller 16 out of the optical film, he can first remove the movable rod 30 and the movable tube 32 from the first rotation rod 29 and the second rotation rod 31, and then remove the movable rod 32 from the movable rod 32. The movable tube 32 is removed from the movable rod 30 by pulling it out from the movable rod 30, so that the staff can conveniently replace the bristles 17 by replacing the movable tube 32, so that the cleaning roller 16 can be used for a long time. Stable cleaning of optical films.

As shown in FIG. 3 and FIG. 4 , the connecting assembly is configured to include a first connecting plate 35 and a second connecting plate 36 respectively fixedly connected to both ends of the movable rod 30 along its length direction, and the outer edge of the first rotating rod 29 A first connecting groove 37 is opened to match with the first connecting plate 35, the first connecting plate 35 is correspondingly inserted into the first connecting groove 37, and the first rotating rod 29 is also provided with a first rotating rod passing through the first rotating rod at the same time. 29 and the first bolt 38 of the first connecting plate 35 , the end of the first bolt 38 is screwed with a first nut 39 , and the first nut 39 is pressed against the first rotating rod 29 .

As shown in FIG. 3 and FIG. 4 , the outer edge of the second rotating rod 31 is provided with a second connecting groove 40 matching the second connecting plate 36 , and the second connecting plate 36 is correspondingly inserted into the second connecting groove 40 , the second rotating rod 31 is also provided with a second bolt 41 passing through the second rotating rod 31 and the second connecting plate 36 at the same time, the end of the second bolt 41 is screwed with a second nut 42, the second nut 42 Press against the second rotating rod 31 . Therefore, when the movable rod 30 and the movable tube 32 need to be removed from the first rotating rod 29 and the second rotating rod 31, the staff can first remove the first bolt 38 and the second bolt 41 by means of bolt removal respectively. , and then pull out the first connecting plate 35 from the first connecting groove 37 and pull out the second connecting plate 36 from the second connecting groove 40 by pulling the movable tube 32, so as to achieve the connection between the movable tube 32 and the The effect of disassembling the movable rod 30 is convenient for the staff to replace the bristles 17 by replacing the movable tube 32 .

As shown in FIG. 4 , in order to improve the convenience of the staff when replacing the movable tube 32 , the first magnet block 43 is adhered to the limit block 33 , and the second magnet block 44 is adhered to the groove wall of the limit groove 34 . , when the movable tube 32 is sleeved on the outer edge of the movable rod 30 and the limiting block 33 is correspondingly inserted into the limiting slot 34 , the first magnet block 43 and the second magnet block 44 are pressed against each other and adsorbed. Therefore, the first magnet block 43 and the second magnet block 44 have the function of pre-fixing the fixed tube, which reduces the sliding of the movable tube 32 along the movable rod 30 under the action of its own gravity when the operator installs the movable rod 30 It may bring inconvenience to the staff, thereby improving the convenience for the staff to replace the movable tube 32 .

The implementation principle of the embodiment of the present application is as follows: the optical film to be detected will pass through the first detection device 3, the impurity removal device 14, the cleaning device 4 and the second detection device 5 in sequence under the driving of the conveyor belt 2; When a detection device 3 is used, the first camera 7 of the first detection device 3 will photograph the optical film below, and then send the photographed image to the computer for comparison with a preset standard image. The standard image is that the optical film is in Qualified and flawless image; if the result of the comparison according to the image captured by the first camera 7 is that the optical film has defects, the fan 11 of the cleaning device 4 will simultaneously start to blow air through the cleaning pipe 12 toward the optical film direction; then The optical film after being photographed by the first camera 7 will pass through the impurity removing device 14 driven by the conveyor belt 2, and the impurity removing roller 16 of the impurity removing device 14 will clean the surface of the optical film through the bristles 17 during the rotation process, so that the surface of the optical film is cleaned. Since the sundries partially adhering to the surface of the optical film can be detached from the optical film, and then the optical film after being cleaned by the impurity removal roller 16 passes through the cleaning pipe 12 of the cleaning device 4, the fan 11 passes through the cleaning pipe 12 toward the optical film. The airflow blown in the direction can blow the debris off the optical film, and then the cleaned optical film will be transported to the second detection device 5, and the second camera 9 of the second detection device 5 will conduct the optical film below. Take pictures and compare them again through the computer. If the comparison result is qualified, the test result of the optical film is judged to be qualified; if the comparison result is unqualified, the test result of the optical film is judged to be unqualified; after using the second camera 9. Before testing the optical film, firstly use the first camera 7 to perform a preliminary inspection on the optical film, and when the result of the preliminary inspection is unqualified, use the cleaning device 4 to clean the optical film, which reduces the adhesion of the optical film surface. There is a possibility that the optical film may be misjudged as defective due to debris, thereby improving the accuracy of the optical film inspection result.

The above are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered within the scope of the present application. Inside.

Claims (10)

1. The utility model provides an automatic on-line measuring equipment of blooming, includes test rack (1), be equipped with conveyer belt (2) that are used for carrying the blooming on test rack (1), its characterized in that: the detection device is characterized in that a first detection device (3), a cleaning device (4) and a second detection device (5) are sequentially arranged on the detection frame (1), the first detection device (3) comprises a first support (6) arranged on the detection frame (1), a first camera (7) used for shooting and detecting an optical film on the conveying belt (2) is arranged on the first support (6), the second detection device (5) comprises a second support (8) arranged on the detection frame (1), a second camera (9) used for shooting and detecting the optical film on the conveying belt (2) is arranged on the second support (8), and the cleaning device (4) is used for cleaning the optical film on the conveying belt (2).

2. The apparatus for automatic in-line inspection of optical films according to claim 1, wherein: cleaning device (4) are including setting up clearance frame (10) on test rack (1), be equipped with fan (11) and clearance pipe (12) on clearance frame (10) respectively, the air outlet and the clearance pipe (12) of fan (11) are linked together, set up the clearance hole that a plurality of slopes set up towards the blooming direction on clearance pipe (12).

3. The apparatus for automatic in-line inspection of optical films according to claim 2, wherein: the optical film cleaning device is characterized in that an impurity removing device (14) used for cleaning an optical film is further arranged on the detection frame (1), the impurity removing device (14) is located between the first detection device (3) and the cleaning device (4), the impurity removing device (14) comprises an impurity removing frame (15) arranged on the detection frame (1), an impurity removing roller (16) is connected to the impurity removing frame (15) in a rotating mode, bristles (17) are arranged at the outer edge of the impurity removing roller (16), the optical film is tightly abutted to the bristles (17) and the conveying belt (2), and a first motor (18) used for driving the impurity removing roller (16) to rotate is further arranged on the impurity removing frame (15).

4. The apparatus for automatic in-line inspection of optical films according to claim 3, wherein: the automatic impurity removing device is characterized in that an adjusting rod (19) is connected to the impurity removing frame (15) in a rotating mode, a first fixing block (20) is arranged on the adjusting rod (19), a second fixing block (21) is erected on the impurity removing frame (15), the two ends of an impurity removing roller (16) are connected to the first fixing block (20) and the second fixing block (21) in a rotating mode respectively, a driving assembly used for driving the adjusting rod (19) to rotate is further arranged on the detecting frame (1), a first bevel gear (22) is arranged at the fixed end of the output end of the first motor (18), a second bevel gear (23) is arranged on the impurity removing roller (16) in a fixed mode, and the first bevel gear (22) and the second bevel gear (23) are meshed with each other.

5. The apparatus for automatic in-line inspection of optical films according to claim 4, wherein: the driving assembly comprises a second motor (24) arranged on the detection frame (1), a driving gear (25) is fixedly sleeved at the output end of the second motor (24), a driven gear (26) is fixedly sleeved on the adjusting rod (19), and the driving gear (25) is meshed with the driven gear (26).

6. The apparatus for automatic in-line inspection of optical films according to claim 4, wherein: be equipped with electro-magnet (27) on edulcoration frame (15), be equipped with iron sheet (28) on second fixed block (21), iron sheet (28) support tightly adsorb on electro-magnet (27).

7. The apparatus for automatic in-line inspection of optical films according to claim 4, wherein: edulcoration roller (16) are including first dwang (29), movable rod (30) and second dwang (31), first dwang (29) are rotated and are connected on first fixed block (20), second dwang (31) are rotated and are connected on second fixed block (21), the outer fringe cover of movable rod (30) is equipped with movable pipe (32), brush hair (17) set up the outer fringe at movable pipe (32), the outer fringe of movable pipe (32) is equipped with stopper (33), seted up on movable rod (30) with stopper (33) assorted spacing groove (34), stopper (33) correspond and peg graft in spacing groove (34), movable rod (30) are connected between first dwang (29) and second dwang (31) through dismantling coupling assembling.

8. The apparatus for automatic in-line inspection of optical films according to claim 7, wherein: coupling assembling is including setting up first connecting plate (35) and second connecting plate (36) at movable rod (30) both ends respectively, offer on first dwang (29) with first connecting plate (35) assorted first connecting groove (37), peg graft in first connecting groove (37) is corresponded in first connecting plate (35), be equipped with first bolt (38) of wearing to establish first dwang (29) and first connecting plate (35) on first dwang (29), the tip threaded connection of first bolt (38) has first nut (39), first nut (39) support tightly on first dwang (29), set up on second dwang (31) with second connecting plate (36) assorted second bolt (40), peg graft in second connecting groove (40) is corresponded in second connecting groove (36), be equipped with on second dwang (31) and wear to establish second dwang (31) and second connecting plate (36) second bolt (40) of second connecting plate (36) (41) The end part of the second bolt (41) is in threaded connection with a second nut (42), and the second nut (42) abuts against the second rotating rod (31).

9. The apparatus for automatic in-line inspection of optical films according to claim 7, wherein: a first magnetic block (43) is arranged on the limiting block (33), and a second magnetic block (44) is arranged on the groove wall of the limiting groove (34); when the limiting block (33) is correspondingly inserted into the limiting groove (34), the first magnetic block (43) and the second magnetic block (44) are mutually abutted and adsorbed.

10. The apparatus for automatic in-line inspection of optical films according to claim 7, wherein: and a connecting frame (45) is arranged between the first fixing block (20) and the second fixing block (21).

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