Lens appearance detection device

Abstract

The utility model provides a lens appearance detection device which comprises a frame body and lens trays, a placing table for placing the lens trays is arranged on one side of the frame body, a plurality of lens trays are arranged and can be stacked on the placing table, a plurality of placing bins are arranged on the lens trays, a placing tray is arranged in each placing bin, and the lens trays are arranged in the placing bins. A plurality of accommodating holes are formed in the object placing disc, and a to-be-detected lens can be placed in each accommodating hole; a detection table is arranged on the frame body and is positioned on one side of the placement table; a detection assembly used for detecting a lens is arranged on the frame body, the detection assembly is located above the detection table, the detection assembly comprises a mounting part and a camera, the mounting part is arranged on the frame body, the camera is arranged on the mounting part in the vertical direction, and the mounting part is arranged above the detection table; according to the lens appearance detection device, automatic detection of the appearance of a lens can be achieved, and the detection efficiency and the detection quality of the lens are effectively improved.

Description

Technical Field

[0001] The present application relates to the technical field of optical component detection, and in particular to a lens appearance detection device. Background Art

[0002] The contents of this section merely provide background information related to the present application and may not constitute prior art.

[0003] With the gradual expansion of the scale of the domestic lens industry, the market demand and quality requirements for optical lenses are also getting higher and higher. However, at present, manual inspection is still widely used for defect detection of domestic optical lenses. The inspection standards for the appearance of optical parts mainly include the international standard ISO10110-7:1996 "Optics and optical instruments, optical parts and optical systems drawings Part 7 Tolerances for surface defects", the national standard GB1186-2006 "Surface defects of optical parts", the German industrial standard DIN3140-7 "Specified surface defects related to the dimensional tolerances of parts" and the US military specification MIL-PRF-138308:2000 "Technical conditions for the manufacture, assembly and inspection of optical parts for fire control instruments". During the inspection process, the inspectors use a microscope to inspect the yellow spots, black spots, demolding points, scratches, dirt and bubbles on the optical lenses, and finally select the qualified lenses that meet the requirements.

[0004] However, the above-mentioned related technologies have the following defects. As the working time increases, long-term inspection of lenses through a microscope has a serious impact on the workers' eyesight, which in turn makes the existing problems of low efficiency and easy errors in manual inspection more serious, affecting the inspection efficiency and quality of the lenses to a certain extent. Utility Model Content

[0005] In order to solve the above technical problems, the purpose of the present application is to provide a lens appearance detection device, including a frame and a lens tray, a placing table for placing the lens tray is provided on one side of the frame, a plurality of lens trays are provided and can be stacked on the placing table, a plurality of placing bins are provided on the lens tray, a placement tray is provided in each placing bin, a plurality of accommodating holes are provided on the placement tray, and a lens to be detected can be placed in each accommodating hole; a detection table is provided on the frame, and the detection table is located on one side of the placing table; a detection component for detecting the lens is provided on the frame, and the detection component is located above the detection table, and the detection component includes a mounting part and a camera, the mounting part is provided on the frame, and the camera is provided on the mounting part in a vertical direction, and the mounting part is provided above the detection table; a transfer component is provided on the frame, and the transfer component is used to transfer the lens tray from the placing table to the detection table. The utility model can realize automatic detection of the appearance of the lens, and effectively improves the detection efficiency and detection quality of the lens.

[0006] The purpose of this application is achieved through the following technical solutions:

[0007] A lens appearance inspection device comprises a frame and a lens tray, wherein a placement table for placing the lens tray is provided on one side of the frame, a plurality of placement bins are provided on the lens tray, a placement tray is provided in each placement bin, a plurality of accommodating holes are provided on the placement tray, and a lens to be inspected can be placed in each accommodating hole; a detection table is provided on the frame, and the detection table is located on one side of the placement table; a detection component for inspecting the lens is provided on the frame, and the detection component is located above the detection table, and the detection component comprises a mounting portion and a camera, the mounting portion is provided on the frame, and the camera is provided on the mounting portion along a vertical direction; a transfer component is provided on the frame, and the transfer component is used to transfer the lens tray from the placement table to the detection table.

[0008] In some possible embodiments, there are multiple lens trays that can be stacked on the placement table, and the mounting portion is located above the detection table; there are multiple cameras, and the multiple cameras are evenly arranged on the mounting portion along the length direction of the mounting portion.

[0009] In some possible embodiments, a storage frame is provided on the inspection table, a light-transmitting plate is provided in the storage frame, a light-filling device is provided at the bottom of the light-transmitting plate, and a first driving component is provided on the inspection table, and the first driving component is used to drive the storage frame to move horizontally on the inspection table.

[0010] Furthermore, the first driving assembly includes a first linear driving module and a second linear driving module which are perpendicular to each other, the bottom of the second linear driving module is fixedly connected to the sliding part of the first linear driving module, and the bottom of the storage frame is fixedly connected to the sliding part of the second linear driving module.

[0011] In some possible embodiments, a tray loading platform is provided on one side of the placement table, and the height of the tray loading platform is lower than the placement table. Multiple stacked lens trays can be placed on the tray loading platform, and a picking component is provided on the frame, and the picking component is used to transfer the lens tray on the tray loading platform to the placement table.

[0012] Furthermore, the picking assembly includes a bracket, which is horizontally arranged, one end of the bracket is slidably arranged on the frame, and the other end is provided with a fixed connecting piece, the fixed connecting piece is used to fix the lens tray, and a second driving assembly is provided on the frame, and the second driving assembly is used to drive the bracket to move on the frame.

[0013] In some possible embodiments, the second drive component includes a vertical linear drive module and a transverse linear drive module, the guide rail of the vertical linear drive module is fixedly set on the inner wall of the frame, the guide rail of the transverse linear drive module is fixedly connected to the sliding part of the vertical linear drive module, and the sliding part of the transverse linear drive module is fixedly connected to the bracket.

[0014] Further, the fixed connection member is configured as an adsorption plate, and a mounting frame is provided at one end of the bracket away from the frame body, the size of the mounting frame is adapted to the size of the lens tray, the fixed connection member is provided at the four corners of the mounting frame, and the end of the fixed connection member away from the mounting frame is used for airtight connection with the lens tray;

[0015] A connecting pipe is arranged on the top of the installation frame, the connecting pipe is connected with the fixed connecting piece at the bottom of the installation frame, and one end of the connecting pipe away from the fixed connecting piece is connected with the conduit of the air compressor.

[0016] Furthermore, a sorting table is provided on the frame, and the sorting table is located on a side of the testing table away from the placing table, and the transfer assembly is also used to transfer the lens tray from the testing table to the sorting table;

[0017] The transport component includes a transport fixture and a third drive component. One end of the transport fixture is connected to the third drive component, and the other end is used to connect to the lens tray. The third drive component is used to drive the transport fixture to move within the frame.

[0018] In some possible embodiments, the transport fixture includes a support rod and a fixing frame, the top of the fixing frame is fixedly connected to the support rod, and the bottom of the fixing frame is airtightly connected to the lens tray through an airtight connector;

[0019] The third driving assembly includes a third linear driving module and a fourth linear driving module. The third linear driving module is vertically arranged, and the top of the guide rail of the third linear driving module is fixedly connected to the inner top wall of the frame. The fourth linear driving module is horizontally arranged, and the guide rail of the fourth linear driving module is fixedly connected to the sliding part of the third linear driving module, and the sliding part of the fourth linear driving module is fixedly connected to the support rod.

[0020] In summary, the technical solution of the embodiment of the present application has at least the following advantages and beneficial effects:

[0021] 1. When it is necessary to inspect the lenses, first place the lenses to be inspected on the lens tray one by one, then stack the multi-layer lens trays filled with lenses and place them on the tray loading table, transfer the lens trays placed on the tray loading table to the placement table by the picking component, and then transfer the lens trays on the placement table to the inspection table by the transfer component, and then inspect the lenses on the inspection table by the inspection component. After the inspection is completed, transfer the lenses on the inspection table to the sorting table by the transfer component, and then sort the lenses on the sorting table, so as to complete the inspection and sorting of the lenses. The technical solution proposed in this application can avoid the errors caused by manual inspection, thereby effectively improving the inspection efficiency and inspection quality of the lenses;

[0022] 2. By setting up multiple cameras, the speed of lens detection can be effectively improved, and more lenses can be detected in a short time, which effectively improves work efficiency;

[0023] 3. By setting up a tray loading table, the trays can be stored to a certain extent, so that the overall equipment can maintain a high working efficiency over a long period of time, further improving the equipment's detection efficiency for lenses. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present application;

[0025] Figure 2 A schematic diagram of the internal structure of a frame according to an embodiment of the present application;

[0026] Figure 3 A schematic diagram of the structure of a pickup assembly according to an embodiment of the present application;

[0027] Figure 4 This is a schematic structural diagram of a lens tray according to an embodiment of the present application;

[0028] Figure 5 Schematic diagram of the structure of the detection component of the embodiment of the present application.

[0029] Icons: 1. Frame; 11. Tray loading platform; 2. Placement platform; 3. Inspection platform; 31. Inspection component; 32. Installation part; 33. Camera; 4. Lens tray; 41. Placement bin; 42. Storage tray; 43. Accommodation hole; 5. Transfer component; 51. Transfer fixture; 511. Support rod; 512. Fixed frame; 52. Third drive component; 521. Third linear drive module; 522. Fourth linear drive module; 6. Storage frame; 61. Transparent plate; 7. First drive component; 71. First linear drive module; 72. Second linear drive module; 8. Pick-up component; 81. Bracket; 82. Fixed connector; 83. Second drive component; 84. Vertical linear drive module; 85. Horizontal linear drive module; 86. Installation frame; 87. Connecting pipe; 9. Sorting platform. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0031] The following reference Figures 1 to 5 This application is described in further detail.

[0032] Reference Figure 1 , 2 and Figure 3 A lens appearance inspection device includes a frame 1, a placing table 2 is arranged on one side of the frame 1, a plurality of stacked lens trays 4 can be arranged on the placing table 2, a detection table 3 is arranged on the frame 1, the detection table 3 is located on one side of the placing table 2, a detection component 31 for detecting lenses is arranged on the frame 1, the detection component 31 is located above the detection table 3, and a transfer component 5 is arranged on the frame 1, the transfer component 5 is used to transfer the lens tray 4 from the placing table 2 to the detection table 3.

[0033] Reference Figure 2 , 3 and Figure 4 A plurality of placement bins 41 are provided on the lens tray 4, each placement bin 41 is provided with a placement tray 42, and a plurality of receiving holes 43 are provided on the placement tray 42. When performing lens testing, the lenses to be tested are placed in the receiving holes 43.

[0034] As an implementation method of this application, refer to Figure 4 Nine placement bins 41 are provided on each lens tray 4, and the placement bins 41 are arranged in a 3×3 manner. Thirty-five receiving holes 43 are provided on each storage tray 42, and the receiving holes 43 are arranged in a 5×7 manner. A lens to be tested can be placed in each receiving hole 43.

[0035] Reference Figure 2 , 5 The detection component 31 includes a mounting portion 32 and a camera 33 . The mounting portion 32 is disposed on the frame 1 . The camera 33 is disposed on the mounting portion 32 along a vertical direction. The mounting portion 32 is disposed above the detection platform 3 .

[0036] There are multiple cameras 33, and the multiple cameras 33 are evenly arranged on the mounting portion 32 along the length direction of the mounting portion 32. As an embodiment of the present application, refer to Figure 2 , 5 Since there are three cameras 33 on the lens tray 4, the three cameras 33 are evenly arranged on the mounting portion 32. Since there are three placement bins 41 in each row on the lens tray 4, correspondingly, there are three cameras 33. As other possible implementations of the present application, the number of cameras 33 on the mounting portion 32 is adjusted according to the number of placement bins 41 opened in each row of the lens tray 4, which can maximize the efficiency of lens detection.

[0037] Reference Figure 2 , 5A storage frame 6 is arranged on the detection table 3, a light-transmitting plate 61 is arranged inside the storage frame 6, a fill light (not shown in the figure) is arranged at the bottom of the light-transmitting plate 61, and the fill light is fixedly connected to the storage frame 6. A first driving component 7 is arranged on the detection table 3, and the first driving component 7 is used to drive the storage frame 6 to move horizontally on the detection table 3.

[0038] Reference Figure 5 The first driving component 7 includes a first linear driving module 71 and a second linear driving module 72 which are perpendicular to each other. As an embodiment of the present application, two first linear driving modules 71 are provided, and one second linear driving module 72 is provided. The bottom of the second linear driving module 72 is fixedly connected to the sliding part of the first linear driving module 71, and the bottom of the storage frame 6 is fixedly connected to the sliding part of the second linear driving module 72.

[0039] In the actual lens inspection process, the lens tray 4 is placed on the storage frame 6. At this time, the fill light is turned on, and light is irradiated from bottom to top through the light-transmitting plate 61 to the bottom of the lens tray 4, so as to fill light for the lens tray 4 and the camera 33 above. The clarity of the lens image taken by the camera 33 can be effectively improved, thereby facilitating the identification of lens defects and improving the accuracy and efficiency of lens inspection to a certain extent.

[0040] During the lens detection process, the first linear drive module 71 and the second linear drive module 72 are started to drive the storage frame 6 to move on the horizontal plane, and the distance of each movement is adapted to the spacing between the receiving holes 43 .

[0041] Reference Figure 2 As an embodiment of the present application, a tray loading platform 11 is arranged on one side of the placement table 2, and the height of the tray loading platform 11 is lower than the placement table 2. A plurality of stacked lens trays 4 are arranged on the tray loading platform 11, and a picking component 8 is arranged on the frame 1. The picking component 8 is used to transfer the lens tray 4 on the tray loading platform 11 to the placement table 2.

[0042] Among them, refer to Figures 2 to 4 As an embodiment of the present application, the picking component 8 includes a bracket 81, the bracket 81 is horizontally arranged, one end of the bracket 81 is slidably arranged on the frame 1, and the other end is provided with a fixed connecting member 82, the fixed connecting member 82 is used to fix the lens tray 4, and a second driving component 83 is provided on the frame 1, and the second driving component 83 is used to drive the bracket 81 to move on the frame 1.

[0043] Reference Figure 2 , 3As an embodiment of the present application, the second driving component 83 includes a vertical linear driving module 84 and a horizontal linear driving module 85. The guide rail of the vertical linear driving module 84 is fixedly arranged on the inner wall of the frame 1, the guide rail of the horizontal linear driving module 85 is fixedly connected to the sliding part of the vertical linear driving module 84, and the sliding part of the horizontal linear driving module 85 is fixedly connected to the bracket 81.

[0044] Reference Figure 3 , 4 As an embodiment of the present application, the fixed connector 82 is configured as an adsorption plate, and a mounting frame 86 is provided at one end of the bracket 81 away from the frame body 1. The size of the mounting frame 86 is adapted to the size of the lens tray 4. The fixed connector 82 is provided at the four corners of the mounting frame 86, and the end of the fixed connector 82 away from the mounting frame 86 is used for airtight connection with the lens tray 4.

[0045] Among them, refer to Figure 4 A connecting pipe 87 is provided on the top of the mounting frame 86, and the connecting pipe 87 is connected with the fixed connector 82 at the bottom of the mounting frame 86; in actual use, the end of the connecting pipe 87 away from the fixed connector 82 is connected with the duct of the air compressor. When the lens tray 4 needs to be fixedly connected, the fixed connector 82 is first driven to abut against the top of the lens tray 4 through the bracket 81, and then the air compressor is started to suck air to create a negative pressure environment inside the fixed connector 82, and the airtight connection between the lens tray 4 and the fixed connector 82 is achieved by atmospheric pressure. The airtight connection can effectively reduce the damage to the surface of the lens tray 4, thereby effectively improving the service life of the lens tray 4 and reducing the cost of use to a certain extent.

[0046] Reference Figure 2 , 3 A sorting table 9 is arranged on the frame 1, and the sorting table 9 is located on the side of the detection table 3 away from the placement table 2. The transfer component 5 includes a transfer fixture 51 and a third driving component 52. One end of the transfer fixture 51 is connected to the third driving component 52, and the other end is used to connect with the lens tray 4. The third driving component 52 is used to drive the transfer fixture 51 to move in the frame 1.

[0047] Reference Figure 2 , 3 As an embodiment of the present application, the transport fixture 51 includes a support rod 511 and a fixing frame 512, the top of the fixing frame 512 is fixedly connected to the support rod 511, and the bottom of the fixing frame 512 is airtightly connected to the lens tray 4 through an airtight connector.

[0048] Reference Figure 2 , 3The third driving assembly 52 includes a third linear driving module 521 and a fourth linear driving module 522. The third linear driving module 521 is vertically arranged. Two third linear driving modules 521 are arranged above the placement table 2 and the sorting table 9 respectively. The top of the guide rail of the third linear driving module 521 is fixedly connected to the inner top wall of the frame 1. The fourth linear driving module 522 is horizontally arranged. The guide rail of the fourth linear driving module 522 is fixedly connected to the sliding part of the third linear driving module 521, and the sliding part of the fourth linear driving module 522 is fixedly connected to the support rod 511.

[0049] As an implementation method of the present application, the linear drive module adopts a mature product currently available on the market, such as Thomson MG / TG (Movopart / Rapidtrak) linear module, and the drive length can be selected or customized according to actual needs. All linear drive modules mentioned in this embodiment can adopt Thomson MG / TG (Movopart / Rapidtrak) linear modules, which is a prior art, and the specific structure is not described in detail here.

[0050] The implementation principle of a lens appearance inspection device proposed in the embodiment of the present application is as follows:

[0051] When it is necessary to inspect the lenses, first place the lenses to be inspected on the lens tray 4 one by one, then stack the multi-layer lens trays 4 filled with lenses and place them on the tray loading platform 11, transfer the lens tray 4 placed on the tray loading platform 11 to the placement platform 2 through the picking component 8, and then transfer the lens tray 4 on the placement platform 2 to the inspection platform 3 through the transfer component 5, and then inspect the lenses on the inspection platform 3 through the inspection component 31. After the inspection is completed, transfer the lenses on the inspection platform 3 to the sorting platform 9 through the transfer component 5, and then sort the lenses on the sorting platform 9 to complete the inspection and sorting of the lenses. The utility model can avoid the errors caused by manual inspection, thereby effectively improving the inspection efficiency and inspection quality of the lenses.

[0052] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications 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 lens appearance inspection device, characterized in that: It includes a frame and a lens tray, a placing table for placing the lens tray is provided on one side of the frame, a plurality of placing bins are provided on the lens tray, a placing tray is provided in each placing bin, a plurality of accommodating holes are provided on the placing tray, and a lens to be tested can be placed in each accommodating hole; a testing table is provided on the frame, and the testing table is located on one side of the placing table; a testing component for testing the lenses is provided on the frame, and the testing component is located above the testing table, and the testing component includes a mounting part and a camera, the mounting part is provided on the frame, and the camera is provided on the mounting part along a vertical direction; a transfer component is provided on the frame, and the transfer component is used to transfer the lens tray from the placing table to the test table.

2. A lens appearance inspection device according to claim 1, characterized in that: There are multiple lens trays which can be stacked on the placement table, and the mounting portion is arranged above the detection table; there are multiple cameras which are evenly arranged on the mounting portion along the length direction of the mounting portion.

3. The lens appearance inspection device according to claim 1, characterized in that: A storage frame is arranged on the inspection table, a light-transmitting plate is arranged in the storage frame, a light-filling device is arranged at the bottom of the light-transmitting plate, and a first driving component is arranged on the inspection table, and the first driving component is used to drive the storage frame to move horizontally on the inspection table.

4. The lens appearance inspection device according to claim 3, characterized in that: The first driving assembly includes a first linear driving module and a second linear driving module which are perpendicular to each other. The bottom of the second linear driving module is fixedly connected to the sliding part of the first linear driving module, and the bottom of the storage frame is fixedly connected to the sliding part of the second linear driving module.

5. The lens appearance inspection device according to claim 1, characterized in that: A tray loading platform is provided on one side of the placement table. The height of the tray loading platform is lower than that of the placement table. Multiple stacked lens trays can be placed on the tray loading platform. A picking component is provided on the frame. The picking component is used to transfer the lens tray on the tray loading platform to the placement table.

6. The lens appearance inspection device according to claim 5, characterized in that: The picking assembly includes a bracket, which is horizontally arranged. One end of the bracket is slidably arranged on the frame, and the other end is provided with a fixed connecting piece, which is used to fix the lens tray. A second driving assembly is provided on the frame, and the second driving assembly is used to drive the bracket to move on the frame.

7. The lens appearance inspection device according to claim 6, characterized in that: The second driving assembly includes a vertical linear driving module and a horizontal linear driving module. The guide rail of the vertical linear driving module is fixedly arranged on the inner wall of the frame. The guide rail of the horizontal linear driving module is fixedly connected to the sliding part of the vertical linear driving module. The sliding part of the horizontal linear driving module is fixedly connected to the bracket.

8. The lens appearance inspection device according to claim 6, characterized in that: The fixed connection member is configured as an adsorption plate, and a mounting frame is provided at one end of the bracket away from the frame body, the size of the mounting frame is adapted to the size of the lens tray, the fixed connection member is provided at the four corners of the mounting frame, and the end of the fixed connection member away from the mounting frame is used for airtight connection with the lens tray; A connecting pipe is arranged on the top of the installation frame, the connecting pipe is connected with the fixed connecting piece at the bottom of the installation frame, and one end of the connecting pipe away from the fixed connecting piece is connected with the conduit of the air compressor.

9. The lens appearance inspection device according to claim 1, characterized in that: A sorting table is provided on the frame, and the sorting table is located on a side of the testing table away from the placing table. The transfer assembly is also used to transfer the lens tray from the testing table to the sorting table; The transport component includes a transport fixture and a third drive component. One end of the transport fixture is connected to the third drive component, and the other end is used to connect to the lens tray. The third drive component is used to drive the transport fixture to move within the frame.

10. The lens appearance inspection device according to claim 9, characterized in that: The transport fixture comprises a support rod and a fixing frame, the top of the fixing frame is fixedly connected to the support rod, and the bottom of the fixing frame is airtightly connected to the lens tray through an airtight connector; The third driving assembly includes a third linear driving module and a fourth linear driving module. The third linear driving module is vertically arranged, and the top of the guide rail of the third linear driving module is fixedly connected to the inner top wall of the frame. The fourth linear driving module is horizontally arranged, and the guide rail of the fourth linear driving module is fixedly connected to the sliding part of the third linear driving module, and the sliding part of the fourth linear driving module is fixedly connected to the support rod.

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