Lens ring size measuring equipment and detection method thereof

By designing automated lens circle size measurement equipment, the rotating platform, visual detection module, and point laser measurement module are used to combine the handling robotics and main control systems to solve the problems of low detection efficiency, limited accuracy and low intelligence in existing technology , Achieve efficient and accurate size measurement.

CN119354074APending Publication Date: 2025-01-24MEGA PRECISION TECH (DONGGUAN) LTD
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Patent Information

Application Number
CN202411607275.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-12
Publication Date
2025-01-24

AI Technical Summary

Technical Problem

The existing size measurement equipment has low detection efficiency, limited measurement accuracy, and low intelligence, making it difficult to meet the needs of multiple precise size measurements.

Method used

A lens circle size measurement equipment is designed, including machines, rotating platforms, visual detection modules, and dot laser measurement modules. The product is automated, down and down and detected by moving robotic components, and intelligent control in combination with the main control system.

Benefits of technology

It improves the detection efficiency and measurement accuracy, achieves more comprehensive and high -precision size measurement, and improves the efficiency and flexibility of the production line.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The invention provides a lens ring size measurement device and a detection method thereof, the lens ring size measurement device comprises a machine table, the machine table is provided with a feeding station, a material disc positioning station, a size detection station and a discharging station, the size detection station is provided with a rotating platform, a visual detection module and a point laser measurement module, and the rotating platform is provided with a laser detection module. The rotating platform is provided with a product detection carrier used for containing products, the rotating platform rotates to drive the product detection carrier to rotate, size detection setting is conducted through the visual detection module and the point laser measurement module in sequence, and the discharging station is further provided with a screening area used for screening the detected products. The machine table is provided with the visual detection module and the point laser measurement module, height, thickness and flatness size data of products are obtained, the arranged carrying manipulator assembly can carry the products and the material disc for feeding and discharging, intelligent control is conducted through an external main control system, measured data are more comprehensive, and the obtained data precision is higher.
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Description

Technical Field

[0001] The present invention relates to the technical field of dimension measuring equipment, and in particular to a lens ring dimension measuring equipment and a detection method thereof. Background Art

[0002] In the process of automated assembly line production, in order to ensure that the size of a certain part of the product is qualified, it is often necessary to perform dimensional inspection on specific parts of the product to eliminate products with unqualified sizes. In factory applications, high-precision dimensional measurement is generally performed by technicians operating measuring equipment. The dimensional measurement is based on the drawing to detect whether the product size is within the tolerance range to find errors in shape and size. The actual size of the product is often indispensable, but it may not be obtained due to complex object surfaces or objective physical conditions. Machine vision inspection technology can deal with such problems well.

[0003] However, in the existing high-precision measurement process through manually operated equipment, the detection efficiency is low, and systematic errors are easily caused due to the operator's own habits; the use of multiple detection equipment has a relatively complex structure and occupies a large space, and the existing visual inspection dimension measurement accuracy is relatively limited, which cannot meet the use needs of multiple precise dimension measurements, and the equipment has a low degree of intelligence.

[0004] Therefore, there is a need for a lens ring size measuring device and a detection method thereof, which can solve the above problems. Summary of the invention

[0005] The invention provides a lens ring size measuring device and a detection method thereof, and solves the problems of inconvenient detection, low measurement accuracy and low intelligence of the existing size measuring device by technically transforming the existing size detection device.

[0006] To achieve the above object, the technical solution adopted by the present invention is:

[0007] A lens ring size measuring device comprises a machine platform, on which a loading station, a tray positioning station, a size detection station and a unloading station are respectively arranged, a handling robot assembly for carrying products and trays is installed on the machine platform, a rotating platform, a visual detection module and a point laser measurement module are arranged at the size detection station, a product detection carrier for placing products is arranged on the rotating platform, and visual detection modules and point laser measurement modules are arranged on the sides of the rotating platform respectively. The rotating platform rotates to drive the product detection carrier to rotate, and the size detection is performed in turn through the visual detection module and the point laser measurement module, the output end of the size detection station is connected to the unloading station, and a screening area for screening and detecting products is also arranged at the unloading station.

[0008] Preferably, the handling robot assembly includes a first handling robot and a second handling robot, the first handling robot is arranged on one side of the loading station, the first handling robot is used to grab the material tray of the loading station to the material tray positioning station and grab the product on the material tray to the size detection station, and the second handling robot is used to transport the product at the size detection station to the unloading station.

[0009] Preferably, the tray positioning station on the machine platform is provided with a secondary positioning assembly, and the secondary positioning assembly includes a positioning mounting seat, a sensor assembly and a push rod assembly. The positioning mounting seat is fixedly mounted on the machine platform, and a mounting position for placing the tray is provided on the positioning mounting seat. The sensor assembly and the push rod assembly are respectively installed on the outer peripheral side of the mounting position. The sensor assembly is used to identify the tray, and the push rod assembly is used to push the tray for clamping and positioning.

[0010] Preferably, a conveyor belt for transferring empty trays is provided on one side of the tray positioning station, and the output end of the conveyor belt is provided at the unloading station. The first transport robot is used to transport the empty tray to the conveyor belt, and the second transport robot is used to transport the empty tray to the unloading station.

[0011] Preferably, a rotary drive device, a visual inspection module and a point laser measurement module are installed on the machine platform, the rotary platform is installed at the output end position of the rotary drive device, and a plurality of groups of product inspection carriers are arranged at intervals on the rotary platform, and a turntable loading position, a first dimension measurement station, a second dimension measurement station and a turntable unloading position are arranged in sequence on the periphery of the rotary platform, the rotary drive device is used to rotate and drive the product inspection carrier on the rotary platform to pass through the turntable loading position, the first dimension measurement station, the second dimension measurement station and the turntable unloading position in sequence, the visual inspection module is installed at the first dimension measurement station, and the point laser measurement module is installed at the second dimension measurement station, the visual inspection module and the point laser measurement module are arranged opposite to the product on the product inspection carrier, and the rotary drive device, the visual inspection module and the point laser measurement module are electrically connected to the main control system.

[0012] Preferably, the visual inspection module includes a forward visual inspection camera assembly and a lateral visual inspection camera assembly, the forward visual inspection camera assembly is used to measure the front thickness dimension of the product, the lateral visual inspection camera assembly is used to detect the side height dimension of the product, and the point laser measurement module is used to detect the flatness of the product.

[0013] Preferably, the forward visual inspection camera assembly includes a first horizontal drive assembly, a fixed mounting seat, a vertical drive assembly and a first inspection camera, the first horizontal drive assembly is installed on the machine platform, the output end of the first horizontal drive assembly is installed with a fixed mounting seat, the fixed mounting seat is installed with a vertical drive assembly, the output end of the vertical drive assembly is provided with a second fixed mounting plate, the first inspection camera is vertically mounted and fixed on the second fixed mounting plate, and the lens of the first inspection camera is arranged facing the product on the product inspection carrier, the lateral visual inspection camera assembly includes a second inspection camera and a fill light assembly, the second inspection camera and the fill light assembly are both laterally fixedly mounted on the second fixed mounting plate, and the lens direction of the second inspection camera passes through the product and is arranged facing the fill light assembly.

[0014] Preferably, the point laser measurement module includes a second horizontal drive component, a third horizontal drive component and a point laser measurement component, the second horizontal drive component is installed on the machine platform, the third horizontal drive component is installed at the output end of the second horizontal drive component, the point laser measurement component is installed at the output end of the third horizontal drive component, and the output direction of the second horizontal drive component is parallel to the product inspection carrier, the output direction of the third horizontal drive component is perpendicular to the product inspection carrier, and the point laser measurement component is vertically arranged directly above the product inspection carrier and directly facing the product;

[0015] The output end of the third horizontal driving component is equipped with a point laser component mounting frame, and two mounting slots are arranged at intervals on the point laser component mounting frame. Two groups of point laser measurement components are arranged, and the two groups of point laser measurement components are installed in parallel at the mounting slots. The products are placed in a row on the product inspection carrier, and the two point laser measurement components are arranged opposite to a product respectively.

[0016] Preferably, a good product unloading position, a defective product unloading position detected by point laser and a defective product unloading position detected by visual detection are arranged in parallel in the screening area of ​​the unloading station. The good product unloading position, the defective product unloading position detected by point laser and the defective product unloading position detected by visual detection are all provided with unloading trolleys for stacking material trays. The main control system controls the handling robot assembly to grab the products to the good product unloading position, the defective product unloading position detected by point laser or the defective product unloading position detected by visual detection for screening and unloading according to the detection results.

[0017] A method for detecting a lens ring size measuring device comprises the following steps:

[0018] S1. Product loading. The loading trolley is stacked with trays of products. The trays are pushed into the loading station of the machine by the loading trolley. The loading trolley lifts the trays, which are positioned by the positioning assembly set at the loading station and then transported by the subsequent handling robot assembly.

[0019] S2, secondary positioning of the tray: the tray and the product are grabbed to the tray positioning station by the handling manipulator assembly, and the secondary positioning assembly set at the tray positioning station clamps and positions the tray;

[0020] S3, the product is loaded to the size inspection station, and the handling robot assembly grabs the product and transfers it to the carrier at the loading position of the turntable of the four-divided rotating platform. After the product on the tray is grabbed and emptied, the handling robot moves the empty tray to the conveyor belt on one side and transfers it to the unloading station;

[0021] S4, height and thickness parameter detection, the four-divided rotating platform rotates to transfer the product to the first dimension measurement station, and the two sets of visual inspection cameras set at the first dimension measurement station are used for inspection, and the product is visually inspected from the front and side of the product to obtain the product height and thickness dimensions;

[0022] S5, flatness detection, the four-divided rotating platform rotates to transfer the product to the second dimension measurement station, and the product is detected by the point laser measurement equipment set at the second dimension measurement station to obtain the product flatness parameters;

[0023] S6, product unloading, the four-divided rotating platform rotates to transfer the product to the turntable unloading position, the main control system receives the detection data for analysis and judgment, and controls the handling robot assembly to grab the detected products and unload them to the screening area of ​​the unloading station for unloading.

[0024] The beneficial effects of the present invention are:

[0025] The size detection station of the machine of the present invention is provided with a rotating platform divided into four equal parts, and the outer periphery of the rotating platform is sequentially arranged with a loading station, a first size measurement station, a second size measurement station and an unloading station, the first size measurement station and the second size measurement station are respectively arranged with a visual detection module and a point laser measurement module, the visual detection module includes two groups of cameras for respectively photographing and detecting the front and side directions of the product to obtain the height and thickness size data of the product, the point laser measurement module is facing the product for measuring the flatness parameters of the product, and the handling robot components arranged at the loading station and the unloading station can carry the product for loading and unloading, and are intelligently controlled by an external main control system, so that the measurement data is more comprehensive and the data acquisition accuracy is higher.

[0026] Furthermore, the present application integrates the functions of the material tray and product handling robot into one, develops an integrated robot assembly that can simultaneously handle the material tray and the product, integrates multiple functions into one device, and improves the efficiency and flexibility of the production line.

[0027] The screening area at the unloading place of the present application also has good product unloading position, defective product unloading position detected by point laser and defective product unloading position detected by visual inspection in parallel. The main control system controls the handling robot assembly to grab the products to the good product unloading position, defective product unloading position detected by point laser or defective product unloading position detected by visual inspection according to the detection results for screening and unloading, which has a higher degree of intelligence. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1-2 It is a schematic diagram of the three-dimensional structure of the dimension measuring device of the present invention;

[0029] Figure 3 It is a schematic diagram of the structure of the dimension measuring device of the present invention from a top view;

[0030] Figure 4 It is a schematic diagram of the structure of the feeding station of the present invention;

[0031] Figure 5 It is a top view schematic diagram of the material tray positioning station of the present invention;

[0032] Figure 6 It is a schematic diagram of the three-dimensional structure of the size detection station of the present invention;

[0033] Figure 7 It is a schematic diagram of the side structure of the size detection station of the present invention;

[0034] Figure 8 It is a schematic diagram of the top view structure of the size detection station of the present invention;

[0035] Fig. 9 It is a structural schematic diagram of the blanking station of the present invention;

[0036] Fig.10 It is a schematic diagram of the three-dimensional structure of the handling robot assembly of the present invention;

[0037] Fig.11 It is a front structural schematic diagram of the handling robot assembly of the present invention;

[0038] Fig.12 It is a schematic diagram of the enlarged structure of the handling robot assembly of the present invention;

[0039] Fig.13 It is a schematic diagram of the steps of the dimension measuring device detection method of the present invention.

[0040] Description of the accompanying figures: machine 1, conveyor belt 11, loading station 2, loading trolley 21, lifting drive device 211, first positioning frame 22, tray positioning station 3, secondary positioning component 31, positioning mounting seat 311, sensor component 312, push rod assembly 313, size detection station 4, rotation drive device 41, rotating platform 42, product detection carrier 43, visual inspection module 44, first horizontal drive component 441, fixed mounting seat 442, vertical drive component 443, first detection camera 444, second fixed mounting plate 445, second detection camera 446, fill light component 447, point laser measurement module 45, second horizontal drive component 451, third horizontal drive component 452, point laser measurement component 453, point laser Optical component mounting frame 454, unloading station 5, good product unloading position 51, visual inspection defective product unloading position 52, point laser inspection defective product unloading position 53, unloading trolley 54, handling robot assembly 6, X-axis drive assembly 61, Y-axis drive assembly 62, tray Z-axis drive assembly 63, product Z-axis drive assembly 64, telescopic cylinder 641, vertical slide rail 642, fixed connecting plate 643, second fixed connecting plate 644, fixed mounting plate 65, tray grabbing mechanism 66, vacuum suction cup mounting frame 661, strip through groove 6611, vacuum suction nozzle assembly 662, product grabbing mechanism 67, product clamp 671, clamp driving structure 672, clamp mounting block 673, second vertical slide rail 674, second vertical drive cylinder 675, tray 7. DETAILED DESCRIPTION

[0041] The specific contents of the present invention are described in detail below with reference to the accompanying drawings and embodiments.

[0042] See also Figure 1-13 As shown, the present invention provides a lens ring size measuring device, including a machine platform 1, on which a loading station 2, a tray positioning station 3, a size detection station 4 and a unloading station 5 are respectively arranged, and a handling robot assembly 6 for carrying products and trays 7 is installed on the machine platform 1, and a rotating platform 42, a visual detection module 44 and a point laser measurement module 45 are arranged at the size detection station 4, and a product detection carrier 43 for placing products is arranged on the rotating platform 42, and the visual detection module 44 and the point laser measurement module 45 are respectively arranged on the sides of the rotating platform 42. The rotating platform 42 rotates to drive the product detection carrier 43 to rotate, and the size detection is performed in turn through the visual detection module 44 and the point laser measurement module 45, and the output end of the size detection station 4 is connected to the unloading station 5, and the unloading station 5 is also provided with a screening area for screening and detecting products.

[0043] Furthermore, a loading trolley 21 for stacking material trays 7 is placed at the loading station 2, and a lifting drive device 211 for controlling the lifting of the material tray 7 is installed in the loading trolley 21. A first positioning frame 22 for preliminarily positioning the material tray 7 is provided at the loading station 2, and a window for the material supply tray 7 to pass through is opened in the middle of the first positioning frame 22.

[0044] Furthermore, the handling robot assembly 6 includes a first handling robot and a second handling robot, the first handling robot is arranged on one side of the loading station 2, the first handling robot is used to grab the material tray 7 of the loading station 2 to the material tray positioning station 3 and grab the product on the material tray 7 to the size detection station 4, and the second handling robot is used to transport the product at the size detection station 4 to the unloading station 5.

[0045] The handling robot assembly 6 includes an X-axis drive assembly 61, a Y-axis drive assembly 62, a material tray Z-axis drive assembly 63, a product Z-axis drive assembly 64, a fixed mounting plate 65, a material tray grabbing mechanism 66 and a product grabbing mechanism 67. The X-axis drive assembly 61 is horizontally fixedly installed on the machine platform 1, and the output end of the X-axis drive assembly 61 is installed with the Y-axis drive assembly 62, and the output end of the Y-axis drive assembly 62 is installed with the fixed mounting plate 65, and the material tray Z-axis drive assembly 63 and the product Z-axis drive assembly 64 are installed on the fixed mounting plate 65. The output end of the material tray Z-axis drive assembly 63 is installed with a material tray grabbing mechanism 66 for grabbing the material tray 7, and the output end of the product Z-axis drive assembly 64 is installed with a product grabbing mechanism 67 for grabbing the product. The X-axis drive assembly 61, the Y-axis drive assembly 62, the material tray Z-axis drive assembly 63, the product Z-axis drive assembly 64, the material tray grabbing mechanism 66, the product grabbing mechanism 67 and the main control system are electrically connected.

[0046] Furthermore, the product Z-axis drive assembly 64 includes a telescopic cylinder 641, a vertical slide rail 642, a fixed connecting plate 643 and a second fixed connecting plate 644. The vertical slide rail 642 is installed on the fixed mounting plate 65, and the second fixed connecting plate 644 is slidably installed on the vertical slide rail 642. The product grabbing mechanism 67 is installed on the second fixed connecting plate 644. The fixed mounting plate 65 is also vertically installed with a telescopic cylinder 641. The output end of the telescopic cylinder 641 is connected to the second fixed connecting plate 644 through the fixed connecting plate 643. The telescopic cylinder 641 is used to drive the second fixed connecting plate 644 to move in the vertical direction.

[0047] Furthermore, in order to enable the product grabbing mechanism 67 to be individually controlled to grab different products, the product grabbing mechanism 67 includes a product clamp 671, a clamp driving structure 672, a clamp mounting block 673, a second vertical slide rail 674 and a second vertical drive cylinder 675. A plurality of second vertical slide rails 674 arranged in parallel are vertically mounted on the second fixed connecting plate 644. A clamp mounting block 673 is slidably mounted on the second vertical slide rail 674. A clamp driving structure 672 is installed on the clamp mounting block 673. A product clamp 671 for clamping products is installed at the output end of the clamp driving structure 672. A second vertical drive cylinder 675 is also installed on the second fixed connecting plate 644. The output end of the second vertical drive cylinder 675 is connected to the clamp mounting block 673.

[0048] Furthermore, in order to enable the tray grabbing mechanism 66 to grab the tray 7, the tray grabbing mechanism 66 includes a vacuum suction cup mounting frame 661 and a vacuum suction nozzle assembly 662, and the vacuum suction cup mounting frame 661 is installed at the output end of the tray Z-axis drive assembly 63, and a plurality of vacuum suction nozzle mounting positions are arranged around the vacuum suction cup mounting frame 661, and the vacuum suction nozzle mounting position is used to install the vacuum suction nozzle assembly 662, and the vacuum suction nozzle assembly 662 is connected to an external vacuum pump via a connecting air pipe, and the vacuum pump is electrically connected to the main control system.

[0049] Furthermore, in order to adjust the installation position of the vacuum suction nozzle and facilitate the grabbing of material trays 7 of different specifications, a bar-shaped through groove 6611 is provided at the vacuum suction nozzle installation position of the vacuum suction cup mounting frame 661, and the vacuum suction nozzle assembly 662 is arranged to pass through the bar-shaped through groove 6611, and a fixing bolt is provided at the vacuum suction nozzle assembly 662. The vacuum suction nozzle assembly 662 is fixed at any position of the bar-shaped through groove 6611 by the fixing bolt.

[0050] Furthermore, in another embodiment 2, in order to be able to control the rotation of the vacuum suction cup mounting frame, the output end of the material tray Z-axis drive assembly 63 is also equipped with a material tray rotation drive assembly 631, and the vacuum suction cup mounting frame 661 is installed at the output end of the material tray rotation drive assembly 631. The material tray rotation drive assembly 631 is used to drive the vacuum suction cup mounting frame 661 to rotate in the water surface at any time, and the material tray rotation drive assembly 631 is electrically connected to the main control system.

[0051] Furthermore, the tray positioning station 3 on the machine 1 is provided with a secondary positioning component 31, and the secondary positioning component 31 includes a positioning mounting seat 311, a sensor component 312 and a push rod component 313. The positioning mounting seat 311 is fixedly installed on the machine 1, and a mounting position for placing the tray 7 is provided on the positioning mounting seat 311. The sensor component 312 and the push rod component 313 are respectively installed on the outer peripheral side of the mounting position. The sensor component 312 is used to identify the tray 7, and the push rod component 313 is used to push the tray 7 for clamping and positioning.

[0052] Furthermore, a conveyor belt 11 for transferring empty trays 7 is provided on one side of the tray positioning station 3, and the output end of the conveyor belt is provided at the unloading station 5, the first handling robot is used to transport the empty tray 7 to the conveyor belt 11, and the second handling robot is used to transport the empty tray to the unloading station 5.

[0053] Furthermore, a rotary drive device 41, a visual inspection module 44 and a point laser measurement module 45 are installed on the machine 1, the rotary platform 42 is installed at the output end of the rotary drive device 41, and a plurality of groups of product inspection carriers 43 are arranged at intervals on the rotary platform 42, and a turntable loading position, a first size measurement station, a second size measurement station and a turntable unloading position are arranged in sequence on the periphery of the rotary platform 42, the rotary drive device 41 is used to rotate and drive the product inspection carrier 43 on the rotary platform 42 to pass through the turntable loading position, the first size measurement station, the second size measurement station and the turntable unloading position in sequence, the visual inspection module 44 is installed at the first size measurement station, and the point laser measurement module 45 is installed at the second size measurement station, the visual inspection module 44 and the point laser measurement module 45 are arranged opposite to the product on the product inspection carrier 43, and the rotary drive device 41, the visual inspection module 44 and the point laser measurement module 45 are electrically connected to the main control system.

[0054] The product inspection carrier 43 is provided with a plurality of product clamping positions arranged in parallel, and the products are grabbed by the handling robot assembly and installed in the product clamping positions in sequence.

[0055] Furthermore, the visual inspection module 44 includes a forward visual inspection camera assembly and a lateral visual inspection camera assembly, the forward visual inspection camera assembly is used to measure the front thickness dimension of the product, the lateral visual inspection camera assembly is used to detect the side height dimension of the product, and the point laser measurement module 45 is used to detect the flatness of the product.

[0056] In order to control the movement of the inspection camera to measure different products respectively and improve work efficiency, the forward visual inspection camera assembly includes a first horizontal driving assembly 441, a fixed mounting seat 442, a vertical driving assembly 443 and a first inspection camera 444. The first horizontal driving assembly 441 is installed on the machine 1. The output end of the first horizontal driving assembly 441 is installed with a fixed mounting seat 442, and the vertical driving assembly 443 is installed on the fixed mounting seat 442. The output end of the vertical driving assembly 443 is provided with a second fixed mounting plate 445. The first inspection camera 444 is vertically installed and fixed on the second fixed mounting plate 445, and the lens of the first inspection camera 444 is directly facing the product on the product inspection carrier 43. The lateral visual inspection camera assembly includes a second inspection camera 446 and a fill light assembly 447. The second inspection camera 446 and the fill light assembly 447 are both laterally fixedly installed on the second fixed mounting plate 445, and the lens direction of the second inspection camera 446 passes through the product and is directly facing the fill light assembly 447.

[0057] The point laser measurement module 45 includes a second horizontal drive component 451, a third horizontal drive component 452 and a point laser measurement component 453, wherein the second horizontal drive component 451 is installed on the machine 1, and the third horizontal drive component 452 is installed at the output end of the second horizontal drive component 451, and the point laser measurement component 453 is installed at the output end of the third horizontal drive component 452, and the output direction of the second horizontal drive component 451 is parallel to the product detection carrier 43, and the output direction of the third horizontal drive component 452 is perpendicular to the product detection carrier 43, and the point laser measurement component 453 is vertically arranged directly above the product detection carrier 43 and directly facing the product;

[0058] The output end of the third horizontal driving component 452 is installed with a point laser component mounting frame 454, and two mounting slots are arranged at intervals on the point laser component mounting frame 454. Two groups of point laser measurement components 453 are arranged, and the two groups of point laser measurement components 453 are installed in parallel at the mounting slots. The products are placed in a row on the product inspection carrier 43, and the two point laser measurement components 453 are respectively arranged opposite to a product.

[0059] Furthermore, a good product unloading position 51, a defective product unloading position 53 detected by point laser and a defective product unloading position 52 detected by visual inspection are arranged in parallel at the screening area of ​​the unloading station 5; the good product unloading position 51, the defective product unloading position 53 detected by point laser and the defective product unloading position 52 detected by visual inspection are all provided with an unloading trolley 54 for stacking material trays 7; the main control system controls the handling robot assembly to grab the products to the good product unloading position 51, the defective product unloading position 53 detected by point laser or the defective product unloading position 52 detected by visual inspection for screening and unloading according to the detection results.

[0060] A detection method of the above-mentioned lens circle size measuring device comprises the following steps:

[0061] S1, product loading, a tray 7 with products placed on it is stacked on the loading trolley 21, which is pushed into the loading station 2 of the machine 1 by the loading trolley 21, and the loading trolley 21 lifts the tray 7, which is positioned by the positioning assembly provided at the loading station 2, and is then transported by the subsequent handling robot assembly;

[0062] S2, secondary positioning of the tray, the tray 7 and the product are grabbed to the tray positioning station 3 by the handling manipulator assembly, and the secondary positioning assembly 31 provided at the tray positioning station 3 clamps and positions the tray 7;

[0063] S3, the product is loaded to the size inspection station 4, and the handling robot assembly grabs and transfers the product to the carrier at the upper material position of the turntable of the four-divided rotating platform 42. After the product on the tray 7 is grabbed and emptied, the handling robot moves the empty tray 7 to the conveyor belt on one side and transfers it to the unloading station 5;

[0064] S4, height and thickness parameter detection, the four-divided rotating platform 42 rotates to transfer the product to the first dimension measurement station, and the two sets of visual inspection cameras set at the first dimension measurement station are used for inspection, and the product is visually inspected from the front and side of the product to obtain the product height and thickness dimensions;

[0065] S5, flatness detection, the four-divided rotating platform 42 rotates to transfer the product to the second dimension measurement station, and the product is detected by the point laser measurement equipment set at the second dimension measurement station to obtain the product flatness parameters;

[0066] S6, product unloading, the four-divided rotating platform 42 rotates to transfer the product to the turntable unloading position, the main control system receives the detection data for analysis and judgment, and controls the handling robot assembly to grab the detected products to the screening area of ​​the unloading station 5 for unloading.

[0067] The machine of the present application is provided with a rotary drive device to drive the rotary platform to rotate, and a product inspection carrier for placing products is provided on the rotary platform. A loading station, a first dimension measurement station, a second dimension measurement station and an unloading station are arranged in sequence on the periphery of the rotary platform. The first dimension measurement station and the second dimension measurement station are respectively provided with a visual inspection module and a point laser measurement module. The visual inspection module includes two groups of cameras for respectively photographing and inspecting the product from the front and side to obtain the height and thickness dimension data of the product. The point laser measurement module is used to measure the flatness parameters of the product facing the product. The handling robot components arranged at the loading station and the unloading station can transport the product for loading and unloading. Intelligent control is performed through an external main control system, and the measurement data is more comprehensive and the data acquisition accuracy is higher.

[0068] Furthermore, the visual inspection module and the point laser measurement module of the present application are respectively provided with a driving component for driving the measurement component to move, and can accurately move and position to measure multiple products respectively, thereby improving work efficiency and measurement accuracy.

[0069] The present application simplifies the structure of the robot and reduces unnecessary components and connections by optimizing the structural design of the material tray and product grabbing robot components, thereby reducing the complexity and manufacturing cost of the equipment.

[0070] The present application integrates the functions of the material tray and product handling robot into one, develops an integrated robot assembly that can simultaneously handle the material tray and the product, integrates multiple functions into one device, and improves the efficiency and flexibility of the production line.

[0071] Furthermore, the material tray grabbing mechanism and product grabbing mechanism provided in the present application can accurately control the grabbing of material trays and products, thus facilitating subsequent screening and plating.

[0072] In this application, a screening area is set up at the unloading place, and a good product unloading position, a defective product unloading position detected by point laser, and a defective product unloading position detected by visual inspection are arranged in parallel. The main control system controls the handling robot assembly to grab the products to the good product unloading position, the defective product unloading position detected by point laser, or the defective product unloading position detected by visual inspection for screening and unloading according to the detection results, which has a higher degree of intelligence.

[0073] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

[0074] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0075] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A lens circle size measuring device, characterized in that: The invention comprises a machine platform, on which a loading station, a tray positioning station, a size detection station and a unloading station are respectively arranged; a handling robot assembly for carrying products and trays is installed on the machine platform; a rotating platform, a visual detection module and a point laser measurement module are arranged at the size detection station; a product detection carrier for placing products is arranged on the rotating platform; visual detection modules and point laser measurement modules are arranged on the sides of the rotating platform respectively; the rotating platform rotates to drive the product detection carrier to rotate, and size detection is performed in turn through the visual detection module and the point laser measurement module; the output end of the size detection station is connected to the unloading station; a screening area for screening and detecting products is also arranged at the unloading station.

2. The lens circle size measuring device according to claim 1, characterized in that: The handling robot assembly includes a first handling robot and a second handling robot. The first handling robot is arranged at one side of the loading station. The first handling robot is used to grab the material tray of the loading station to the material tray positioning station and grab the product on the material tray to the size detection station. The second handling robot is used to transport the product at the size detection station to the unloading station.

3. The lens circle size measuring device according to claim 1, characterized in that: The tray positioning station on the machine platform is provided with a secondary positioning assembly, and the secondary positioning assembly includes a positioning mounting seat, a sensor assembly and a push rod assembly. The positioning mounting seat is fixedly installed on the machine platform, and a mounting position for placing the tray is provided on the positioning mounting seat. The sensor assembly and the push rod assembly are respectively installed on the outer peripheral side of the mounting position. The sensor assembly is used to identify the tray, and the push rod assembly is used to push the tray for clamping and positioning.

4. The lens circle size measuring device according to claim 3, characterized in that: A conveyor belt for transferring empty trays is provided on one side of the tray positioning station, and the output end of the conveyor belt is provided at the unloading station. The first transport robot is used to transport the empty tray to the conveyor belt, and the second transport robot is used to transport the empty tray to the unloading station.

5. The lens circle size measuring device according to claim 1, characterized in that: A rotary drive device, a visual inspection module and a point laser measurement module are installed on the machine platform; the rotary platform is installed at the output end of the rotary drive device, and a plurality of groups of product inspection carriers are arranged at intervals on the rotary platform; a turntable loading position, a first dimension measurement station, a second dimension measurement station and a turntable unloading position are sequentially arranged on the periphery of the rotary platform; the rotary drive device is used to rotate and drive the product inspection carrier on the rotary platform to pass through the turntable loading position, the first dimension measurement station, the second dimension measurement station and the turntable unloading position in sequence; the visual inspection module is installed at the first dimension measurement station, and the point laser measurement module is installed at the second dimension measurement station; the visual inspection module and the point laser measurement module are arranged facing the product on the product inspection carrier, and the rotary drive device, the visual inspection module and the point laser measurement module are electrically connected to the main control system.

6. The lens circle size measuring device according to claim 5, characterized in that: The visual inspection module includes a forward visual inspection camera assembly and a lateral visual inspection camera assembly. The forward visual inspection camera assembly is used to measure the front thickness dimension of the product, the lateral visual inspection camera assembly is used to detect the side height dimension of the product, and the point laser measurement module is used to detect the flatness of the product.

7. The lens circle size measuring device according to claim 6, characterized in that: The forward visual inspection camera assembly includes a first horizontal drive assembly, a fixed mounting seat, a vertical drive assembly and a first inspection camera. The first horizontal drive assembly is installed on the machine platform. The output end of the first horizontal drive assembly is installed with a fixed mounting seat. The fixed mounting seat is installed with a vertical drive assembly. The output end of the vertical drive assembly is provided with a second fixed mounting plate. The first inspection camera is vertically mounted and fixed on the second fixed mounting plate, and the lens of the first inspection camera is facing the product on the product inspection carrier. The lateral visual inspection camera assembly includes a second inspection camera and a fill light assembly. The second inspection camera and the fill light assembly are both fixedly mounted laterally on the second fixed mounting plate, and the lens direction of the second inspection camera passes through the product and is facing the fill light assembly.

8. The lens circle size measuring device according to claim 6, characterized in that: The point laser measurement module includes a second horizontal drive component, a third horizontal drive component and a point laser measurement component, the second horizontal drive component is installed on the machine platform, the third horizontal drive component is installed at the output end of the second horizontal drive component, the point laser measurement component is installed at the output end of the third horizontal drive component, and the output direction of the second horizontal drive component is parallel to the product detection carrier, the output direction of the third horizontal drive component is perpendicular to the product detection carrier, and the point laser measurement component is vertically arranged directly above the product detection carrier and directly facing the product; The output end of the third horizontal driving component is equipped with a point laser component mounting frame, and two mounting slots are arranged at intervals on the point laser component mounting frame. Two groups of point laser measurement components are arranged, and the two groups of point laser measurement components are installed in parallel at the mounting slots. The products are placed in a row on the product inspection carrier, and the two point laser measurement components are arranged opposite to a product respectively.

9. The lens circle size measuring device according to claim 1, characterized in that: The screening area of ​​the unloading station is provided with a good product unloading position, a defective product unloading position detected by point laser and a defective product unloading position detected by visual inspection in parallel; the good product unloading position, the defective product unloading position detected by point laser and the defective product unloading position detected by visual inspection are all provided with an unloading trolley for stacking material trays; the main control system controls the handling robot assembly to grab the products to the good product unloading position, the defective product unloading position detected by point laser or the defective product unloading position detected by visual inspection for screening and unloading according to the detection results.

10. A detection method for a lens circle size measuring device as claimed in any one of claims 1 to 9, characterized in that: The following steps are involved: S1. Product loading. The loading trolley is stacked with trays of products. The trays are pushed into the loading station of the machine by the loading trolley. The loading trolley lifts the trays, which are positioned by the positioning assembly set at the loading station and then transported by the subsequent handling robot assembly. S2, secondary positioning of the tray: the tray and the product are grabbed to the tray positioning station by the handling manipulator assembly, and the secondary positioning assembly set at the tray positioning station clamps and positions the tray; S3, the product is loaded to the size inspection station, and the handling robot assembly grabs the product and transfers it to the carrier at the loading position of the turntable of the four-divided rotating platform. After the product on the tray is grabbed and emptied, the handling robot moves the empty tray to the conveyor belt on one side and transfers it to the unloading station; S4, height and thickness parameter detection, the four-divided rotating platform rotates to transfer the product to the first dimension measurement station, and the two sets of visual inspection cameras set at the first dimension measurement station are used for inspection, and the product is visually inspected from the front and side of the product to obtain the product height and thickness dimensions; S5, flatness detection, the four-divided rotating platform rotates to transfer the product to the second dimension measurement station, and the product is detected by the point laser measurement equipment set at the second dimension measurement station to obtain the product flatness parameters; S6, product unloading, the four-divided rotating platform rotates to transfer the product to the turntable unloading position, the main control system receives the detection data for analysis and judgment, and controls the handling robot assembly to grab the detected products and unload them to the screening area of ​​the unloading station for unloading.

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