Lens bracket size measurement equipment and detection method thereof

Abstract

The invention provides lens bracket size measurement equipment and a detection method thereof, the lens bracket size measurement equipment comprises a machine table, the machine table is provided with a feeding station, a tray positioning station, a size detection station and a discharging station, and the size detection station is provided with a rotating platform, a visual detection module and a point laser measurement 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 visual detection station and the line laser detection station are arranged on the machine table, detection data are more comprehensive, the detection effect is more accurate, the precision is higher, automatic screening and discharging can be achieved, the automation degree is higher, and the production efficiency is greatly improved.

Description

Technical Field

[0001] The present invention relates to the technical field of dimension measuring equipment, and in particular to a lens bracket 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 dimension measuring device and a detection method for a lens bracket that can solve the above problems. Summary of the invention

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

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

[0007] A lens bracket size measuring device comprises a machine platform, on which a loading station, a product positioning station, a visual inspection station, a line laser inspection station and a unloading station are respectively arranged, a loading trolley is placed at the loading station, and trays with products placed on the loading trolley are stacked, a secondary positioning component for positioning the product is arranged at the product positioning station, a visual inspection component for visually inspecting the bottom and top surfaces of the product is arranged at the visual inspection station, a code scanning and recognition module for scanning and identifying and entering the product and a line laser measurement module for detecting the size of the product are arranged at the line laser inspection station, and a handling robot arm component for handling products and trays is also arranged on the machine platform, and the handling robot arm component is used to carry the trays and products through the loading station, the product positioning station, the visual inspection station, the line laser inspection station and the unloading station in sequence.

[0008] Preferably, the handling robot assembly includes a multi-axis robot arm structure, a fixed connecting plate, a variable pitch drive assembly, a product grabbing mechanism and a tray grabbing mechanism. The multi-axis robot arm structure is fixedly installed on the machine platform, and the output end of the multi-axis robot arm structure is connected to a fixed connecting plate, and the variable pitch drive assembly, the product grabbing mechanism and the tray grabbing mechanism are installed on the fixed connecting plate, and the variable pitch drive assembly is drivingly connected to the product grabbing mechanism.

[0009] Preferably, a conveyor belt for transferring empty trays is provided on one side of the loading station, the output end of the conveyor belt is provided at the unloading station, and the handling robot assembly is used to transport the empty trays to the conveyor belt and transfer the empty trays to the screening area provided at the unloading station.

[0010] Preferably, the visual inspection station is provided with a first turntable, on which four product inspection carriers for placing products are evenly spaced, the positions for installing the product inspection carriers on the first turntable are sequentially provided with the first turntable loading position, bottom surface dimension measurement station, top surface dimension measurement station and the first turntable unloading position, the bottom surface dimension measurement station and the top surface dimension measurement station are respectively provided with visual inspection components for visual inspection of the bottom and top surfaces of the product, the first turntable is used to drive the product to pass through the first turntable loading position, bottom surface dimension measurement station, top surface dimension measurement station and the first turntable unloading position in sequence, and the secondary positioning component is installed at the center position of the first turntable.

[0011] Preferably, the visual inspection component includes a camera horizontal drive component, a camera mounting seat, a focusing drive component, a detection camera component and an upper light source component. The camera horizontal drive component is installed on the machine platform, the camera mounting seat is installed at the output end of the camera horizontal drive component, the camera mounting seat is installed with a focusing drive component, the detection camera component is installed at the output end of the focusing drive component, and the upper light source component is also installed on the camera mounting seat. The upper light source component is arranged directly below the detection camera component, and the detection camera component and the light source component are arranged directly facing the product on the product inspection carrier.

[0012] Preferably, the secondary positioning assembly includes a fixed mounting frame, a product positioning seat and an auxiliary positioning assembly, a mounting hole is opened in the middle of the first turntable, the fixed mounting frame passes through the mounting hole and is arranged directly above the first turntable, the fixed mounting frame is installed with a product positioning seat and an auxiliary positioning assembly, the product positioning seat is provided with a product positioning slot for placing the product, the auxiliary positioning assembly is used to install the product in the product positioning slot, and the handling manipulator assembly is used to transfer the product from the product positioning slot to the product detection carrier;

[0013] The product positioning slot is provided with an opening on one side relative to the auxiliary positioning component. The auxiliary positioning component includes a pneumatic push rod, which is installed on a fixed mounting frame, and the output end of the pneumatic push rod is arranged opposite to the product positioning seat. The output end of the pneumatic push rod passes through the opening to push the product close to the slot. The pneumatic push rod is electrically connected to an external main control system.

[0014] Preferably, the machine platform is also equipped with a horizontal transport mechanism for transferring products from the visual inspection station to the linear laser inspection station, the horizontal transport mechanism includes a conveying track, a feeding drive mechanism, a movable slide and a vacuum suction nozzle assembly, the conveying track is installed on the machine platform, a movable slide is movably installed on the conveying track, the movable slide is driven by the feeding drive mechanism to move on the conveying track, and a vacuum suction nozzle assembly for sucking products is installed on the movable slide.

[0015] Preferably, the line laser detection station is provided with a second turntable, a code scanning and recognition module and a line laser measurement module, four product detection carriers for placing products are evenly spaced on the second turntable, and the positions where the product detection carriers are installed on the second turntable are sequentially provided with a second turntable loading position, a code scanning and recognition station, a line laser measurement station and a second turntable unloading position, a code scanning and recognition station is installed with a code scanning and recognition module for identifying products, and a line laser measurement module for detecting product sizes is installed at the line laser measurement station, and the second turntable is used to drive the product to pass through the second turntable loading position, the code scanning and recognition station, the line laser measurement station and the second turntable unloading position in sequence;

[0016] The code scanning and identification module includes a first horizontal track, a first horizontal driving component, a code reader mounting frame and a code reader. The first horizontal track and the first horizontal driving component are installed on the machine platform. The code reader mounting frame is slidably installed on the first horizontal track. The code reader mounting frame is driven by the first horizontal driving component to move on the first horizontal track. A code reader for identifying products is installed on the upper end of the code reader mounting frame. The code reader is arranged facing the product on the product detection carrier, and the code reader is electrically connected to the main control system on the machine platform.

[0017] The line laser measurement module includes a second horizontal track, a second horizontal drive component, a line laser measurement mounting frame and a line laser measurement component. The second horizontal track and the second horizontal drive component are installed on the machine platform. The line laser measurement mounting frame is slidably installed on the second horizontal track. The line laser measurement mounting frame is driven by the second horizontal drive component to move on the second horizontal track. A line laser measurement component for measuring product size is installed on the line laser measurement mounting frame. The line laser measurement component is arranged facing the product on the product inspection carrier, and the line laser measurement component is electrically connected to the main control system on the machine platform.

[0018] Preferably, a good product unloading position, a defective product unloading position for visual inspection and a defective product unloading position for line laser inspection are arranged in parallel in the screening area of ​​the unloading station. The good product unloading position, the defective product unloading position for visual inspection and the defective product unloading position for line laser inspection 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 for visual inspection and the defective product unloading position for line laser inspection according to the detection results for screening and unloading.

[0019] A method for detecting a lens bracket size measuring device comprises the following steps:

[0020] 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.

[0021] S2, secondary positioning of the product, the product is grabbed by the handling robot component and the product is transferred to the product positioning station by changing the distance, and the product is clamped and positioned by the secondary positioning component set at the product positioning station. After the product on the tray is grabbed and emptied, the empty tray is moved to the conveyor belt on one side and transferred to the unloading station by the handling robot;

[0022] S3, the product is loaded to the visual inspection station, and the handling robot assembly grabs the product from the product positioning station and transfers it to the carrier at the first turntable loading position of the product visual inspection station;

[0023] S4, visual inspection, the first turntable rotates to transfer the product to pass through the bottom surface dimension measurement station and the top surface dimension measurement station in sequence, and the product is inspected by the visual inspection components set in the bottom surface dimension measurement station and the top surface dimension measurement station, and the product is visually inspected from the bottom and top surfaces of the product respectively, and the shape contour dimension data of the product is obtained and sent to the main control system;

[0024] S5. The product is loaded to the line laser inspection station. The rotating platform rotates to drive the product to the first turntable unloading position. The product horizontal handling mechanism set on the machine table grabs the product on the first turntable unloading position and transfers it to the carrier at the second turntable loading position of the line laser inspection station.

[0025] S6, line laser detection, the second turntable rotates to transfer the product through the product scanning station and the line laser measurement station in sequence, the product is scanned and recognized by the scanning and recognition module set at the product scanning station, and the line laser measurement module set at the line laser measurement station accurately measures the product, obtains the product height, thickness, flatness and other dimensional parameters and sends them to the main control system;

[0026] S7, product unloading, the second turntable rotates to transfer the product to the unloading position of the second turntable, the main control system controls the handling robot assembly to grab the empty tray to the screening area of ​​the unloading station, the main control system receives the detection data for analysis and judgment, and then grabs the detected products to the good product unloading position or the defective product unloading position in the screening area of ​​the unloading station for screening and unloading.

[0027] The beneficial effects of the present invention are:

[0028] The present application is provided with a visual inspection station and a line laser inspection station on the machine. The visual inspection component provided at the visual inspection station is used to check the appearance contour dimensions of the bottom and top surfaces of the product. The line laser measurement module provided at the line laser inspection station detects the detailed size parameters of the product. The inspection data is more comprehensive, the inspection effect is more accurate, the precision is higher, and the material can be automatically screened and unloaded, with a higher degree of automation, which greatly improves the production efficiency.

[0029] The online laser inspection station of this application is equipped with a code scanning and recognition module, which can identify the code on the product through the code reader, thereby automatically matching the product and quickly entering product information such as product name, specification, batch number, etc., to facilitate data detection and comparison, greatly shortening the product identification processing time and achieving a higher level of intelligence.

[0030] In addition, this application uses a line laser measurement module to detect the product's height, thickness, flatness and other dimensional parameters. The line laser dimension measurement adopts a non-contact measurement method, avoiding the errors and damage that may be caused by traditional contact measurement. In addition, the line laser measurement technology has the characteristics of high precision and high resolution, and is particularly suitable for micro-defect detection that requires extremely high precision and resolution. This high-precision measurement can ensure the accuracy and reliability of the measurement results. At the same time, the line laser dimension measurement technology has the characteristics of fast measurement speed, which is very suitable for real-time detection and control requirements on the production line. The high-speed measurement capability can ensure the efficient operation of the production line, improve production efficiency, and reduce the impact of human errors. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the three-dimensional structure of the dimension measuring device of the present invention;

[0032] Figure 2 It is a schematic diagram of the structure of the dimension measuring device of the present invention from a top view;

[0033] Figure 3 It is a top view schematic diagram of the product positioning station of the present invention;

[0034] Figure 4 It is a schematic diagram of the three-dimensional structure of the visual inspection station of the present invention;

[0035] Figure 5 It is a schematic diagram of the horizontal transport mechanism of the present invention;

[0036] Figure 6 This is a schematic diagram of the structure of the line laser detection station of the present invention;

[0037] Figure 7 It is a schematic diagram of the three-dimensional structure of the handling robot assembly of the present invention;

[0038] Figure 8 It is a schematic diagram of the structure of the variable pitch drive assembly of the handling robot assembly of the present invention;

[0039] Fig. 9 It is a structural schematic diagram of the blanking station of the present invention;

[0040] Fig.10 It is a schematic diagram of the steps of the detection method of the present invention;

[0041] Description of the accompanying figures: machine 1, loading station 2, loading trolley 21, product positioning station 3, secondary positioning component 31, fixed mounting frame 311, product positioning seat 312, product positioning slot 3121, auxiliary positioning component 313, visual inspection station 4, first turntable loading station 41, bottom surface dimension measurement station 42, top surface dimension measurement station 43, first turntable unloading station 44, visual inspection component 45, camera horizontal drive component 451, camera mounting seat 452, focus drive component 453, inspection camera component 454, upper light source component 455, lower light source component 456, first turntable 46, line laser inspection station 5, second turntable loading station 51, code scanning and recognition station 52, line laser measurement station 53, second turntable unloading station 54, code scanning and recognition module 55. first horizontal track 551. first horizontal drive assembly 552. barcode reader mounting frame 553. barcode reader 554. line laser measurement module 56. second horizontal track 561. second horizontal drive assembly 562. line laser measurement mounting frame 563. line laser measurement assembly 564. second turntable 57. unloading station 6. good product unloading position 61. visual inspection of defective product unloading position 62. line laser inspection of defective product unloading position 63. handling robot assembly 7. multi-axis robot arm structure 71. fixed connecting plate 72. variable pitch drive assembly 73. product grabbing mechanism 74. tray grabbing mechanism 75. linkage assembly 76. horizontal handling mechanism 8. conveying track 81. feeding drive mechanism 82. movable slide 83. vacuum nozzle assembly 84. product inspection carrier 9. conveyor belt 10. DETAILED DESCRIPTION

[0042] The specific contents of the present invention are described in detail below with reference to the accompanying drawings and embodiments.

[0043] See also Figure 1-10As shown, the present invention provides a lens bracket size measuring device, including a machine platform 1, on which a loading station 2, a product positioning station 3, a visual inspection station 4, a line laser inspection station 5 and a unloading station 6 are respectively arranged, a loading trolley 21 is placed at the loading station 2, and a material tray with products placed on it is stacked on the loading trolley 21, a secondary positioning component 31 for positioning the product is arranged at the product positioning station 3, a visual inspection component 45 for visually inspecting the bottom and top surfaces of the product is arranged at the visual inspection station 4, a code scanning and recognition module 55 for scanning and identifying and entering the product and a line laser measurement module 56 for detecting the size of the product are arranged at the line laser inspection station 5, and a handling robot arm component 7 for handling products and material trays is also arranged on the machine platform 1, and the handling robot arm component 7 is used to carry the material tray and the product through the loading station 2, the product positioning station 3, the visual inspection station 4, the line laser inspection station 5 and the unloading station 6 in sequence.

[0044] Furthermore, the handling robot assembly 7 includes a multi-axis robot arm structure 71, a fixed connecting plate 72, a variable pitch drive assembly 73, a product grabbing mechanism 74 and a tray grabbing mechanism 75. The multi-axis robot arm structure 71 is fixedly installed on the machine 1, and the output end of the multi-axis robot arm structure 71 is connected to the fixed connecting plate 72, and the variable pitch drive assembly 73, the product grabbing mechanism 74 and the tray grabbing mechanism 75 are installed on the fixed connecting plate 72, and the variable pitch drive assembly 73 is drivingly connected to the product grabbing mechanism 74.

[0045] The variable pitch drive assembly 73 provided in the present application includes a variable pitch drive push rod, and several product grabbing mechanisms 74 are connected through a linkage assembly 76. One drive push rod can synchronously drive the product grabbing mechanisms 74 to move synchronously, thereby adjusting the spacing between products to facilitate subsequent placement. It is suitable for products and carriers of various specifications, has stronger applicability, and is more intelligent, which greatly improves production efficiency.

[0046] Furthermore, a conveyor belt 10 for transferring empty trays is provided on one side of the loading station 2, and the output end of the conveyor belt 10 is provided at the unloading station 6. The handling robot assembly 7 is used to carry the empty trays to the conveyor belt 10 and transfer the empty trays to the screening area provided at the unloading station 6. The conveyor belt 10 is also provided with a sensor assembly for identifying the trays and a push rod assembly for positioning the trays. The push rod assembly pushes the trays to the designated position, thereby improving the positioning accuracy of the tray grabbing mechanism 75 of the handling robot assembly 7 grabbing the trays, and facilitating the accuracy of subsequent tray placement.

[0047] Furthermore, in order to realize visual inspection of the product, the visual inspection station 4 is provided with a first turntable 46, on which four product inspection carriers 9 for placing products are evenly spaced, and the positions where the product inspection carriers 9 are installed on the first turntable 46 are sequentially provided with the first turntable loading position 41, the bottom surface dimension measurement station 42, the top surface dimension measurement station 43 and the first turntable unloading position 44, and the bottom surface dimension measurement station 42 and the top surface dimension measurement station 43 are respectively provided with visual inspection components 45 for visual inspection of the bottom and top surfaces of the product, and the first turntable 46 is used to drive the product to pass through the first turntable loading position 41, the bottom surface dimension measurement station 42, the top surface dimension measurement station 43 and the first turntable unloading position 44 in sequence, and the secondary positioning component 31 is installed and set at the central position of the first turntable 46.

[0048] Furthermore, the visual inspection component 45 includes a camera horizontal drive component 451, a camera mounting seat 452, a focusing drive component 453, a detection camera component 454 and an upper light source component 455. The camera horizontal drive component 451 is installed on the machine 1, and the camera mounting seat 452 is installed on the output end of the camera horizontal drive component 451. The focusing drive component 453 is installed on the camera mounting seat 452. The detection camera component 454 is installed on the output end of the focusing drive component 453, and the upper light source component 455 is also installed on the camera mounting seat 452. The upper light source component 455 is arranged directly below the detection camera component 454, and the detection camera component 454 and the light source component are arranged directly facing the product on the product inspection carrier 9.

[0049] A lower light source mounting frame is also installed at the camera mounting seat 452, and a lower light source assembly 456 is vertically installed on the lower light source mounting frame. The lower light source assembly 456 is arranged directly below the product inspection carrier 9, and the inspection camera, upper light source assembly 455 and lower light source assembly 456 are on the same axis.

[0050] The inspection camera assembly 454 of the bottom surface dimension measuring station 42 can photograph and inspect the appearance contour dimensions of the bottom surface of the product, and the inspection camera assembly 454 of the top surface dimension measuring station 43 can photograph and inspect the appearance contour dimensions of the top surface of the product, and transmit the inspection data to the main control system.

[0051] The focus drive assembly 453 can drive the inspection camera assembly 454 to be set close to or away from the product inspection carrier 9, so as to conveniently and quickly adjust the position of the visual inspection device, improve the shooting clarity, and obtain more accurate measurement data.

[0052] Furthermore, the secondary positioning assembly 31 includes a fixed mounting frame 311, a product positioning seat 312 and an auxiliary positioning assembly 313. A mounting hole is opened in the middle of the first turntable 46. The fixed mounting frame 311 is arranged directly above the first turntable 46 through the mounting hole. The product positioning seat 312 and the auxiliary positioning assembly 313 are installed on the fixed mounting frame 311. The product positioning seat 312 is provided with a product positioning slot 3121 for placing the product. The auxiliary positioning assembly 313 is used to install the product in the product positioning slot 3121. The handling robot assembly 7 is used to transfer the product from the product positioning slot 3121 to the product detection carrier 9.

[0053] The product positioning slot 3121 is provided with an opening on one side relative to the auxiliary positioning assembly 313. The auxiliary positioning assembly 313 includes a pneumatic push rod, which is mounted on the fixed mounting frame 311, and the output end of the pneumatic push rod is arranged opposite to the product positioning seat 312. The output end of the pneumatic push rod passes through the opening to push the product close to the slot, and the pneumatic push rod is electrically connected to the external main control system. The product position is accurately positioned through the product positioning slot 3121, which is convenient for the handling manipulator assembly 7 to grab, and the grabbing and placing positioning accuracy is higher, thereby obtaining more accurate detection data.

[0054] Furthermore, the machine 1 is also provided with a horizontal transport mechanism 8 for transferring the product from the visual inspection station 4 to the line laser inspection station 5, the horizontal transport mechanism 8 comprising a conveying track 81, a feeding drive mechanism 82, a movable slide 83 and a vacuum suction nozzle assembly 84, the conveying track 81 is installed on the machine 1, a movable slide 83 is movably installed on the conveying track 81, the movable slide 83 is driven by the feeding drive mechanism 82 to move on the conveying track 81, and a vacuum suction nozzle assembly 84 for sucking the product is installed on the movable slide 83. The vacuum suction nozzle assembly 84 grabs the product at the lower material position 44 of the first turntable, the feeding drive mechanism 82 drives the movable slide 83 to move toward the upper material position 51 of the second turntable, and the main control system controls the vacuum suction nozzle assembly 84 to release and place the product on the product inspection carrier 9 at the upper material position 51 of the second turntable.

[0055] Furthermore, in order to be able to perform line laser measurement on the product, a second turntable 57, a code scanning and recognition module 55 and a line laser measurement module 56 are provided at the line laser detection station 5, and four product detection carriers 9 for placing products are evenly spaced on the second turntable 57, and the positions where the product detection carriers 9 are installed on the second turntable 57 are sequentially provided with a second turntable loading position 51, a code scanning and recognition station 52, a line laser measurement station 53 and a second turntable unloading position 54, a code scanning and recognition module 55 for identifying the product is installed at the code scanning and recognition station 52, and a line laser measurement module 56 for detecting the size of the product is installed at the line laser measurement station 53, and the second turntable 57 is used to drive the product to pass through the second turntable loading position 51, the code scanning and recognition station 52, the line laser measurement station 53 and the second turntable unloading position 54 in sequence;

[0056] The code scanning and identification module 55 includes a first horizontal track 551, a first horizontal driving component 552, a code reader mounting frame 553 and a code reader 554. The first horizontal track 551 and the first horizontal driving component 552 are installed on the machine 1. The code reader mounting frame 553 is slidably installed on the first horizontal track 551. The code reader mounting frame 553 is driven by the first horizontal driving component 552 to move on the first horizontal track 551. A code reader 554 for identifying products is installed on the upper end of the code reader mounting frame 553. The code reader 554 is arranged facing the product on the product detection carrier 9, and the code reader 554 is electrically connected to the main control system on the machine 1.

[0057] The line laser measurement module 56 includes a second horizontal track 561, a second horizontal driving component 562, a line laser measurement mounting frame 563 and a line laser measurement component 564. The second horizontal track 561 and the second horizontal driving component 562 are installed on the machine 1. The line laser measurement mounting frame 563 is slidably installed on the second horizontal track 561. The line laser measurement mounting frame 563 is driven by the second horizontal driving component 562 to move on the second horizontal track 561. A line laser measurement component 564 for measuring product size is installed on the line laser measurement mounting frame 563. The line laser measurement component 564 is arranged opposite to the product on the product detection carrier 9, and the line laser measurement component 564 is electrically connected to the main control system on the machine 1.

[0058] Furthermore, a good product unloading position 61, a visual inspection defective product unloading position 62 and a line laser inspection defective product unloading position 63 are arranged in parallel at the screening area of ​​the unloading station 6. The good product unloading position 61, the visual inspection defective product unloading position 62 and the line laser inspection defective product unloading position 63 are all provided with unloading trolleys for stacking material trays. The main control system controls the handling robot assembly 7 to grab the products to the good product unloading position 61, the visual inspection defective product unloading position 62 and the line laser inspection defective product unloading position 63 for screening and unloading according to the detection results.

[0059] A method for detecting a lens bracket size measuring device comprises the following steps:

[0060] S1, product loading, the loading trolley 21 is stacked with a tray with products placed on it, 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, which is positioned by the positioning component set at the loading station 2, and is then transported by the subsequent handling robot component 7;

[0061] S2, secondary positioning of the product, the product is grabbed by the handling robot assembly 7 and the product is transferred to the product positioning station 3 by changing the distance, and the product is clamped and positioned by the secondary positioning assembly 31 set at the product positioning station 3. After the product on the tray is grabbed and emptied, the empty tray is moved to the conveyor belt 11 on one side by the handling robot and transferred to the unloading station 6;

[0062] S3, the product is loaded to the visual inspection station 4, and the handling robot assembly 7 grabs the product from the product positioning station 3 and transfers it to the carrier at the first turntable loading position 41 of the product visual inspection station 4;

[0063] S4, visual inspection, the first turntable 46 rotates to transfer the product to pass through the bottom surface dimension measuring station 42 and the top surface dimension measuring station 43 in sequence, and the visual inspection components 45 provided in the bottom surface dimension measuring station 42 and the top surface dimension measuring station 43 are used for inspection, and the product is visually inspected from the bottom surface and the top surface of the product respectively, and the shape contour dimension data of the product is obtained and sent to the main control system;

[0064] S5, the product is loaded to the line laser inspection station 5, the rotating platform rotates to drive the product to move to the first turntable unloading position 44, and the product horizontal handling mechanism 8 provided on the machine 1 grabs the product on the first turntable unloading position 44 and transfers it to the carrier at the second turntable loading position 51 of the line laser inspection station 5;

[0065] S6, line laser detection, the second turntable 57 rotates to transfer the product through the product scanning station and the line laser measurement station 53 in sequence, the scanning and recognition module 55 set at the product scanning station scans and recognizes the product and enters it, and the line laser measurement module 56 set at the line laser measurement station 53 accurately measures the product, obtains the product height, thickness, flatness and other dimensional parameters and sends them to the main control system;

[0066] S7, product unloading, the second turntable 57 rotates to transfer the product to the second turntable unloading position 54, the main control system controls the handling robot assembly 7 to grab the empty tray to the screening area of ​​the unloading station 6, the main control system receives the detection data for analysis and judgment, and then grabs the detected products to the good product unloading position 61 or the defective product unloading position 61 in the screening area of ​​the unloading station 6 for screening and unloading.

[0067] The present application is provided with a visual inspection station 4 and a line laser inspection station 5 on the machine 1. The visual inspection component 45 provided at the visual inspection station 4 is used to check the appearance contour dimensions of the bottom and top surfaces of the product. The line laser measurement module 56 provided at the line laser inspection station 5 detects the detailed dimensional parameters of the product. The inspection data is more comprehensive, the inspection effect is more accurate, the precision is higher, and the material can be automatically screened, the degree of automation is higher, and the production efficiency is greatly improved.

[0068] The online laser inspection station 5 of the present application is provided with a code scanning and recognition module 55, which can identify the code on the product through the code reader 554, thereby automatically matching the product and quickly entering product information such as product name, specification, batch number, etc., to facilitate data detection and comparison, greatly shorten the product identification processing time, and have a higher degree of intelligence.

[0069] In addition, the present application adopts a line laser measurement module 56 to detect the product's height, thickness, flatness and other dimensional parameters. The line laser dimension measurement adopts a non-contact measurement method, avoiding the errors and damage that may be caused by traditional contact measurement. In addition, the line laser measurement technology has the characteristics of high precision and high resolution, and is particularly suitable for micro-defect detection that requires extremely high precision and resolution. This high-precision measurement can ensure the accuracy and reliability of the measurement results. At the same time, the line laser dimension measurement technology has the characteristics of fast measurement speed, which is very suitable for real-time detection and control requirements on the production line. The high-speed measurement capability can ensure the efficient operation of the production line, improve production efficiency, and reduce the impact of human errors.

[0070] Furthermore, the visual inspection module and the line laser measurement module 56 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.

[0071] 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.

[0072] The present application integrates the functions of material trays and product handling robots into one, develops an integrated robot assembly that can simultaneously handle material trays and products, integrates multiple functions into one device, and improves the efficiency and flexibility of the production line. The material tray grabbing mechanism 75 and the product grabbing mechanism 74 provided in the present application can accurately control the grabbing of material trays and products, and facilitate subsequent screening and plating.

[0073] In the present application, a good product unloading position 61, a defective product unloading position 63 detected by line laser and a defective product unloading position 62 detected by visual inspection are arranged in parallel at the screening area at the unloading place. The main control system controls the handling robot assembly 7 to grab the products to the good product unloading position 61, the defective product unloading position 63 detected by line laser or the defective product unloading position 62 detected by visual inspection for screening and unloading according to the detection results, which has a higher degree of intelligence.

[0074] 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.

[0075] 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.

[0076] 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 bracket size measuring device, characterized in that: The machine comprises a loading station, a product positioning station, a visual inspection station, a line laser inspection station and an unloading station, respectively. A loading trolley is placed at the loading station, and trays with products are stacked on the loading trolley. A secondary positioning component for positioning the product is provided at the product positioning station, a visual inspection component for visually inspecting the bottom and top surfaces of the product is provided at the visual inspection station, a code scanning and recognition module for scanning and identifying and entering the product, and a line laser measurement module for detecting the size of the product are provided at the line laser inspection station, and a handling robot assembly for handling products and trays is also provided on the machine, and the handling robot assembly is used to carry the trays and products through the loading station, the product positioning station, the visual inspection station, the line laser inspection station and the unloading station in sequence.

2. A lens bracket size measuring device according to claim 1, characterized in that: The handling robot assembly includes a multi-axis robot arm structure, a fixed connecting plate, a variable pitch drive assembly, a product grabbing mechanism and a tray grabbing mechanism. The multi-axis robot arm structure is fixedly installed on the machine platform. The output end of the multi-axis robot arm structure is connected to the fixed connecting plate. The variable pitch drive assembly, the product grabbing mechanism and the tray grabbing mechanism are installed on the fixed connecting plate, and the variable pitch drive assembly is drivingly connected to the product grabbing mechanism.

3. The lens bracket size measuring device according to claim 1, characterized in that: A conveyor belt for transferring empty trays is provided on one side of the loading station, and an output end of the conveyor belt is provided at the unloading station. The handling robot assembly is used to carry the empty trays to the conveyor belt and transfer the empty trays to the screening area provided at the unloading station.

4. The lens bracket size measuring device according to claim 1, characterized in that: The visual inspection station is provided with a first turntable, on which four product inspection carriers for placing products are evenly spaced, the positions for installing the product inspection carriers on the first turntable are sequentially provided with the first turntable loading position, the bottom surface dimension measurement station, the top surface dimension measurement station and the first turntable unloading position, the bottom surface dimension measurement station and the top surface dimension measurement station are respectively provided with visual inspection components for visual inspection of the bottom and top surfaces of the product, the first turntable is used to drive the product to pass through the first turntable loading position, the bottom surface dimension measurement station, the top surface dimension measurement station and the first turntable unloading position in sequence, and the secondary positioning component is installed and arranged at the central position of the first turntable.

5. The lens bracket size measuring device according to claim 4, characterized in that: The visual inspection component includes a camera horizontal drive component, a camera mounting seat, a focusing drive component, a detection camera component and an upper light source component. The camera horizontal drive component is installed on the machine platform, and the camera mounting seat is installed on the output end of the camera horizontal drive component. The camera mounting seat is installed with a focusing drive component, and the output end of the focusing drive component is installed with a detection camera component. The upper light source component is also installed on the camera mounting seat. The upper light source component is arranged directly below the detection camera component, and the detection camera component and the light source component are arranged directly facing the product on the product inspection carrier.

6. The lens bracket size measuring device according to claim 4, characterized in that: The secondary positioning assembly includes a fixed mounting frame, a product positioning seat and an auxiliary positioning assembly. A mounting hole is opened in the middle of the first turntable. The fixed mounting frame passes through the mounting hole and is arranged directly above the first turntable. The fixed mounting frame is installed with a product positioning seat and an auxiliary positioning assembly. The product positioning seat is provided with a product positioning slot for placing the product. The auxiliary positioning assembly is used to install the product in the product positioning slot. The handling manipulator assembly is used to transfer the product from the product positioning slot to the product inspection carrier. The product positioning slot is provided with an opening on one side relative to the auxiliary positioning component. The auxiliary positioning component includes a pneumatic push rod, which is installed on a fixed mounting frame, and the output end of the pneumatic push rod is arranged opposite to the product positioning seat. The output end of the pneumatic push rod passes through the opening to push the product close to the slot. The pneumatic push rod is electrically connected to an external main control system.

7. The lens bracket size measuring device according to claim 1, characterized in that: The machine platform is also equipped with a horizontal transport mechanism for transferring products from the visual inspection station to the linear laser inspection station. The horizontal transport mechanism includes a conveying track, a feeding drive mechanism, a movable slide and a vacuum nozzle assembly. The conveying track is installed on the machine platform, and a movable slide is movably installed on the conveying track. The movable slide is driven by the feeding drive mechanism to move on the conveying track, and a vacuum nozzle assembly for sucking products is installed on the movable slide.

8. The lens bracket size measuring device according to claim 1, characterized in that: The line laser detection station is provided with a second turntable, a code scanning and recognition module and a line laser measurement module, four product detection carriers for placing products are evenly spaced on the second turntable, and the positions where the product detection carriers are installed on the second turntable are sequentially provided with a second turntable loading position, a code scanning and recognition station, a line laser measurement station and a second turntable unloading position, a code scanning and recognition module for identifying products is installed at the code scanning and recognition station, and a line laser measurement module for detecting product sizes is installed at the line laser measurement station, and the second turntable is used to drive the product to pass through the second turntable loading position, the code scanning and recognition station, the line laser measurement station and the second turntable unloading position in sequence; The code scanning and identification module includes a first horizontal track, a first horizontal driving component, a code reader mounting frame and a code reader. The first horizontal track and the first horizontal driving component are installed on the machine platform. The code reader mounting frame is slidably installed on the first horizontal track. The code reader mounting frame is driven by the first horizontal driving component to move on the first horizontal track. A code reader for identifying products is installed on the upper end of the code reader mounting frame. The code reader is arranged facing the product on the product detection carrier, and the code reader is electrically connected to the main control system on the machine platform. The line laser measurement module includes a second horizontal track, a second horizontal drive component, a line laser measurement mounting frame and a line laser measurement component. The second horizontal track and the second horizontal drive component are installed on the machine platform. The line laser measurement mounting frame is slidably installed on the second horizontal track. The line laser measurement mounting frame is driven by the second horizontal drive component to move on the second horizontal track. A line laser measurement component for measuring product size is installed on the line laser measurement mounting frame. The line laser measurement component is arranged facing the product on the product inspection carrier, and the line laser measurement component is electrically connected to the main control system on the machine platform.

9. The lens bracket 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 visual inspection defective product unloading position and a line laser inspection defective product unloading position in parallel; the good product unloading position, the visual inspection defective product unloading position and the line laser inspection defective product unloading position 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 visual inspection defective product unloading position and the line laser inspection defective product unloading position for screening and unloading according to the detection results.

10. A method for detecting a lens bracket size measuring device, 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 product, the product is grabbed by the handling robot component and the product is transferred to the product positioning station by changing the distance, and the product is clamped and positioned by the secondary positioning component set at the product positioning station. After the product on the tray is grabbed and emptied, the empty tray is moved to the conveyor belt on one side and transferred to the unloading station by the handling robot; S3, the product is loaded to the visual inspection station, and the handling robot assembly grabs the product from the product positioning station and transfers it to the carrier at the first turntable loading position of the product visual inspection station; S4, visual inspection, the first turntable rotates to transfer the product to pass through the bottom surface dimension measurement station and the top surface dimension measurement station in sequence, and the product is inspected by the visual inspection components set in the bottom surface dimension measurement station and the top surface dimension measurement station, and the product is visually inspected from the bottom and top surfaces of the product respectively, and the shape contour dimension data of the product is obtained and sent to the main control system; S5. The product is loaded to the line laser inspection station. The rotating platform rotates to drive the product to the first turntable unloading position. The product horizontal handling mechanism set on the machine table grabs the product on the first turntable unloading position and transfers it to the carrier at the second turntable loading position of the line laser inspection station. S6, line laser detection, the second turntable rotates to transfer the product through the product scanning station and the line laser measurement station in sequence, the product is scanned and recognized by the scanning and recognition module set at the product scanning station, and the line laser measurement module set at the line laser measurement station accurately measures the product, obtains the product height, thickness, flatness and other dimensional parameters and sends them to the main control system; S7, product unloading, the second turntable rotates to transfer the product to the unloading position of the second turntable, the main control system controls the handling robot assembly to grab the empty tray to the screening area of ​​the unloading station, the main control system receives the detection data for analysis and judgment, and then grabs the detected products to the good product unloading position or the defective product unloading position in the screening area of ​​the unloading station for screening and unloading.

Images