Vehicle display back panel defect detection equipment

Abstract

The present invention discloses a vehicle display backplane defect detection device, comprising a loading section and a detection section. The loading section is equipped with a basket for placing the vehicle display backplane, a robot for sucking up multiple vehicle display backplanes, a secondary positioning assembly for secondary positioning the multiple vehicle display backplanes, and multiple first cameras. The detection section is equipped with a conveyor belt, multiple sets of first lifting mechanisms, one set of second lifting mechanisms, three sets of stopping mechanisms, a second camera, a third camera, a fourth camera, a fifth camera, a sixth camera, a first gripper, a second gripper, and a re-inspection conveyor belt. The present invention can detect defects on all six sides of a vehicle display backplane without manual inspection. Compared with manual inspection methods, the present invention achieves higher detection efficiency and accuracy.

Description

Technical Field

[0001] The present invention relates to a detection device, in particular to a vehicle-mounted display screen back panel defect detection device. Background Art

[0002] As a crucial component of vehicle displays, automotive manufacturers have strict requirements for their dimensions and appearance. Therefore, effective inspection methods must be employed during production to ensure product quality. Given the current massive volume of vehicles produced, manual visual inspections and online spot checks are no longer sufficient to meet these requirements.

[0003] The industry lacks mature automated inspection equipment for defect detection on all six surfaces of automotive display backplanes, primarily relying on manual inspection. This is not only inefficient but also prone to missed inspections due to fatigue. Due to the large number of inspection items and high precision requirements, including the precise placement of scribed lines, convex hulls, and punched holes, manual inspection can also suffer from significant errors in accuracy. The few existing automated equipment also has significant limitations, either solely inspecting specific areas or failing to meet diverse inspection needs. Summary of the Invention

[0004] The present invention provides a vehicle-mounted display screen back panel defect detection device, the main purpose of which is to overcome the problems of low detection efficiency and low accuracy caused by the existing vehicle-mounted display screen back panel defect detection using a manual detection method.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] The vehicle-mounted display screen back panel defect detection equipment includes a loading section and a detection section, the loading section is provided with a basket for placing the vehicle-mounted display screen back panel, a robot for sucking multiple vehicle-mounted display screen back panels, a secondary positioning component for performing secondary positioning on the multiple vehicle-mounted display screen back panels, and multiple first cameras, the detection section is provided with a conveyor belt, multiple groups of first jacking mechanisms, a group of second jacking mechanisms, three groups of intercepting mechanisms, a second camera, a third camera, a fourth camera, a fifth camera, a sixth camera, a first gripper, a second gripper and a re-inspection conveyor belt, the conveyor belt is arranged along the length of the detection section, the multiple groups of first jacking mechanisms are located at the front end of the detection section and are arranged at intervals in front and back, each group of first jacking mechanisms corresponds to a vehicle-mounted display screen back panel, and the group of second jacking mechanisms is located at the rear section of the detection section. The three groups of intercepting mechanisms are arranged at intervals in front and behind, the group of second lifting mechanisms is located between the two groups of intercepting mechanisms arranged in front and in the middle, the multiple first cameras are arranged at intervals in front and behind, the second camera, the third camera, the fourth camera and the fifth camera are respectively located in front, behind, left and right of a group of second lifting mechanisms, the sixth camera is located directly above a group of second lifting mechanisms, the first gripper and the second gripper are located at the rear end of the detection section, and the second gripper is located on the rear side of the first gripper, the multiple groups of first lifting mechanisms, the group of second lifting mechanisms and the three groups of intercepting mechanisms can all be raised and lowered, the first gripper can be moved left and right and raised and lowered, the second gripper can be moved forward and backward, left and right and raised and lowered, and the re-inspection conveyor belt is located on one side of the first gripper.

[0007] Furthermore, the loading section includes a loading rack, and the top of the loading rack is provided with a first step surface and a second step surface, the first step surface is located below the front side of the second step surface, and the first step surface is provided with a left basket platform, a right basket platform and a backward inclined support platform, the left basket platform and the right basket platform are located on the front side of the support platform and are arranged at intervals on the left and right, and the top surface of the support platform is provided with a movable plate that can move left and right, and the basket is placed on the movable plate, the robot and the secondary positioning assembly are provided on the second step surface, and the secondary positioning assembly is located on the left side of the robot, and the loading rack is provided with a first cover shell, and the multiple first cameras are provided on the first cover shell and on the left side of the secondary positioning assembly.

[0008] Furthermore, the top surface of the support platform is provided with two first slide rails arranged in front and back, and the bottom surface of the movable plate is provided with two groups of first sliders arranged in front and back, each group of first sliders corresponds to a first slide rail and slides with the first slide rail, a strip through groove is provided on the left part of the top surface of the support platform, and the bottom surface of the movable plate is provided with a connecting block, the bottom of the connecting block passes through the strip through groove and is located below the movable plate, and the bottom surface of the support platform is provided with a first cylinder, and the piston rod of the first cylinder faces left and is connected to the bottom of the connecting block.

[0009] The top surface of the positioning plate is provided with a plurality of positioning stations arranged at intervals in front and behind, each positioning station is provided with a front clamping plate and a rear clamping plate, and each positioning station is provided with a front through slot and a rear through slot, and the front clamping plate and the rear clamping plate are respectively located in the front through slot and the rear through slot, and the bottom of the front clamping plate and the rear clamping plate are respectively connected to the front support bar and the rear support bar. The bottom surface of the positioning plate is provided with two second slide rails arranged at intervals in the left and right directions, and the left and right ends of the front support bar and the left and right ends of the rear support bar are provided with a second slider, and the second slider is slidably matched with the corresponding second slide rail, and the bottom surface of the positioning plate is provided with a first servo motor, the bottom surface of the front support bar is provided with a first rack, and the bottom surface of the rear support bar is provided with a second rack, and the output shaft of the first servo motor is connected to the The top of the second gear extends out of the left through slot and meshes with the third rack. A first light source frame is provided on the left side of the top surface of the positioning plate, and the first light source frame is provided with two first light sources arranged up and down.

[0010] Furthermore, the detection section includes a detection frame, a left rod and a right rod are provided above the top surface of the detection frame, the right side of the left rod and the left side of the right rod are provided with the conveyor belt, each group of first jacking mechanisms includes a first left jacking mechanism and a first right jacking mechanism, the first left jacking mechanism and the first right jacking mechanism are connected to the left rod and the right rod respectively, the group of second jacking mechanisms includes a second left jacking mechanism and a second right jacking mechanism, the second left jacking mechanism and the second right jacking mechanism are connected to the left rod and the right rod respectively, each group of stopping mechanisms includes a left stopping mechanism and a right stopping mechanism, the left stopping mechanism and the right stopping mechanism are connected to the left rod and the right rod respectively, the top surface of the detection frame is provided with a first camera frame, a second camera frame Frame, fourth camera frame, second light source frame, third light source frame, fifth light source frame, first gripper mounting frame and second gripper mounting frame, the second camera and third camera are respectively arranged on the first camera frame and the second camera frame, the left side of the left rod is connected with the third camera frame and the fourth light source frame, the fourth camera is arranged on the third camera frame, the fifth camera is arranged at the lower right part of the fourth camera frame, the sixth camera is arranged at the top middle part of the fourth camera frame, the second light source frame, the third light source frame, the fourth light source frame and the fifth light source frame are respectively provided with the second light source, the third light source, the fourth light source and the fifth light source, the first gripper and the second gripper are respectively arranged on the first gripper mounting frame and the second gripper mounting frame, and the detection frame is provided with a second cover.

[0011] Furthermore, the front end bottom of the left rod and the front end bottom of the right rod are each provided with a mounting seat, a driving motor and a first pulley are provided on the mounting seat, the front end of the left rod and the front end of the right rod are each provided with a coaxial second pulley and a third pulley, the rear end of the left rod and the rear end of the right rod are each provided with a fourth pulley, the first pulley is connected to the output shaft of the driving motor, a transmission belt is provided between the first pulley and the second pulley, and the conveyor belt is provided between the third pulley and the fourth pulley.

[0012] Further, the first left jacking mechanism includes a first left lifting cylinder and a first left connecting plate, the first left lifting cylinder is connected to the left side of the left rod, the piston rod of the first left lifting cylinder faces downward and is connected to the left end of the first left connecting plate, the first left connecting plate is located below the left rod, the right end of the first left connecting plate is located on the right side of the left rod, and the top surface of the right end of the first left connecting plate is provided with two first left lifting rods arranged at intervals front and back; the first right jacking mechanism includes a first right lifting cylinder and a first right connecting plate, the first right lifting cylinder is connected to the right side of the right rod, the piston rod of the first right lifting cylinder faces downward and is connected to the right end of the first right connecting plate, the first right connecting plate is located below the right rod, the left end of the first right connecting plate is located on the left side of the right rod, and the top surface of the left end of the first right connecting plate is provided with two first right lifting rods arranged at intervals front and back.

[0013] Furthermore, the second left lifting mechanism includes a first linear slide module, a first mounting plate and a first support plate, the first linear slide module is vertically connected to the bottom of the left rod, the bottom of the first mounting plate is connected to the slide of the first linear slide module, the top of the first mounting plate is connected to the first support plate, and the first mounting plate and the first support plate are located on the right side of the left rod; the second right lifting mechanism includes a second linear slide module, a second mounting plate and a second support plate, the second linear slide module is vertically connected to the bottom of the right rod, the bottom of the second mounting plate is connected to the slide of the second linear slide module, the top of the second mounting plate is connected to the second support plate, and the second mounting plate and the second support plate are located on the left side of the right rod.

[0014] Furthermore, the left intercepting mechanism includes a second left lifting cylinder and a second left connecting plate, the second left lifting cylinder is connected to the left side of the left rod, the piston rod of the second left lifting cylinder faces downward and is connected to the left end of the second left connecting plate, the second left connecting plate is located below the left rod, the right end of the second left connecting plate is located on the right side of the left rod, and the right end top surface of the second left connecting plate is provided with a left intercepting rod; the right intercepting mechanism includes a second right lifting cylinder and a second right connecting plate, the second right lifting cylinder is connected to the right side of the right rod, the piston rod of the second right lifting cylinder faces downward and is connected to the right end of the second right connecting plate, the second right connecting plate is located below the right rod, the left end of the second right connecting plate is located on the left side of the right rod, and the left end top surface of the second right connecting plate is provided with a right intercepting rod.

[0015] Furthermore, a connecting platform is provided on the first camera frame, a third servo motor and a first screw rod are provided at the bottom of the connecting platform, a first screw rod is provided on the first screw rod to cooperate with it, a fourth slider is connected to the top of the first screw rod nut, a fourth slide rail is provided on the connecting platform, the fourth slider is slidably matched with the fourth slide rail, a camera mounting plate is provided at the bottom of the first screw rod nut, and the second camera is connected to the bottom of the camera mounting plate.

[0016] Furthermore, the first gripper mounting frame is equipped with a rodless cylinder, the movable slide of which is connected to a cylinder mounting plate, which is connected to a second cylinder, the piston rod of which faces downward and is connected to the first gripper; the second gripper mounting frame is equipped with a third linear slide module arranged in the front-to-back direction, the slide of which is connected to a fourth linear slide module arranged in the left-to-right direction, the slide of which is connected to a third cylinder, the piston rod of which faces downward and is connected to the second gripper.

[0017] Furthermore, two bearing seats arranged at intervals on the left and right are provided in the middle of the top surface of the detection frame, a second screw rod is provided between the two bearing seats, a fourth servo motor is provided on the top surface of the detection frame, the output shaft of the fourth servo motor is connected to the second screw rod, the bottom of the left rod is connected to a second screw rod nut matched with the second screw rod, two fifth slide rails arranged at intervals on the front and back are provided on the top surface of the detection frame, and two fifth sliders arranged at intervals on the front and back are provided on the bottom of the left rod, each fifth slider corresponds to a fifth slide rail and the two are slidably matched.

[0018] From the above description of the present invention, it can be seen that compared with the prior art, the present invention has the following advantages: the robot takes multiple vehicle-mounted display screen back panels from the basket at one time, the robot takes the multiple vehicle-mounted display screen back panels to the secondary positioning component for secondary positioning, and after the secondary positioning of the multiple vehicle-mounted display screen back panels is completed, the robot takes them to an upright state, at this time, the multiple first cameras respectively take pictures and detect the back sides of the corresponding vehicle-mounted display screen back panels, and after the multiple first cameras take pictures, the robot places the multiple vehicle-mounted display screen back panels on the corresponding first lifting mechanisms, and the multiple groups of first lifting mechanisms descend one by one to place the vehicle-mounted display screen back panels on the conveyor belt for transportation, and the stopping mechanisms arranged in the middle stop the vehicle-mounted display screen back panels to be detected, and the stopping mechanisms arranged in the front stop the lower A vehicle display screen back panel to be inspected is stopped, and then the second lifting mechanism of the group lifts up the vehicle display screen back panel to be inspected, and the second camera, the third camera, the fourth camera and the fifth camera respectively take photos and detect the four sides of the vehicle display screen back panel, and the sixth camera takes photos and detects the front of the vehicle display screen back panel. After all six sides of the vehicle display screen back panel are photographed and inspected, the second lifting mechanism descends, and the two groups of stopping mechanisms arranged in the front and in the middle are released, and the vehicle display screen back panel is put back on the conveyor belt for transportation. The stopping mechanism arranged in the back stops the vehicle display screen back panel that has been inspected, and then it is grabbed by the first gripper to the re-inspection conveyor belt or the second gripper to the next process, and then the next vehicle display screen back panel to be inspected is inspected. Repeating the above actions can realize the defect detection of the six sides of the vehicle display screen back panel, without the need for manual inspection. Compared with the manual inspection method, the detection efficiency and accuracy of the present invention are higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural diagram of the present invention.

[0020] Figure 2 It is a structural diagram of the feeding section of the present invention.

[0021] Figure 3 This is a structural diagram of the feeding section of the present invention after removing the first cover.

[0022] Figure 4 for Figure 3 A structural diagram from another angle.

[0023] Figure 5 This is a structural diagram of the secondary positioning component of the present invention.

[0024] Figure 6 for Figure 5 A structural diagram from another angle.

[0025] Figure 7 for Figure 5 A structural diagram from another angle.

[0026] Figure 8 This is a structural diagram of the detection section of the present invention.

[0027] Figure 9 This is a structural diagram of the detection section of the present invention after removing the second cover.

[0028] Figure 10 for Figure 9 Structural diagram after removing the detection rack.

[0029] Figure 11 for Figure 10 A structural diagram from another angle.

[0030] Figure 12 This is a partial structural diagram of the detection section of the present invention.

[0031] Figure 13 for Figure 12 A structural diagram from another angle.

[0032] Figure 14 It is a structural diagram of the first jacking mechanism of the present invention.

[0033] Figure 15 It is a structural diagram of the second jacking mechanism of the present invention.

[0034] Figure 16 It is a structural diagram of the stopping mechanism of the present invention.

[0035] Figure 17 This is a diagram showing the connection structure between the second camera and the first camera frame of the present invention. Implementation Method

[0036] Reference Figure 1 、 Figure 2 、 Figure 3 、 Figure 8 、 Figure 9 、 Figure 12 、 Figure 14 、 Figure 15 and Figure 16The vehicle display backplane defect detection equipment includes a loading section 1 and an inspection section 2. The loading section 1 is equipped with a basket 3 for placing the vehicle display backplane, a robot 4 for sucking multiple vehicle display backplanes, a secondary positioning assembly 5 for secondary positioning the multiple vehicle display backplanes, and multiple first cameras 6. The inspection section 2 is equipped with a conveyor belt 7, multiple sets of first lifting mechanisms 8, a set of second lifting mechanisms 9, three sets of stopping mechanisms 10, a second camera 11, a third camera 12, a fourth camera 13, a fifth camera 14, a sixth camera 15, a first gripper 16, a second gripper 17, and a re-inspection conveyor belt 18. The conveyor belt 7 is arranged along the length of the detection section 2, the multiple groups of first jacking mechanisms 8 are located at the front end of the detection section 2 and are arranged at intervals in the front and rear, each group of first jacking mechanisms 8 corresponds to a vehicle-mounted display screen back panel, the group of second jacking mechanisms 9 is located at the rear section of the detection section 2, the three groups of intercepting mechanisms 10 are arranged at intervals in the front and rear, the group of second jacking mechanisms 9 is located between the two groups of intercepting mechanisms 10 arranged in the front and in the middle, the multiple first cameras 6 are arranged at intervals in the front and rear, the second camera 11, the third camera 12, the fourth camera 13 and the fifth camera 14 are respectively located in front, behind, left and right of a group of second jacking mechanisms 9, and the sixth camera 15 is located directly above a group of second jacking mechanisms 9. The first gripper 16 and the second gripper 17 are located at the rear end of the detection section 2, and the second gripper 17 is located on the rear side of the first gripper 16. The multiple groups of first lifting mechanisms 8, the group of second lifting mechanisms 9, and the three groups of intercepting mechanisms 10 can all be raised and lowered. The first gripper 16 can be moved left and right and raised and lowered, and the second gripper 17 can be moved forward and backward and left and right and raised and lowered. The re-inspection conveyor belt 18 is located on one side of the first gripper 16. In this embodiment, the robot 4 can pick up three vehicle-mounted display screen back panels at a time, and the secondary positioning component 5 can perform secondary positioning on the three vehicle-mounted display screen back panels. There are three first cameras 6, and each first camera 6 corresponds to one vehicle-mounted display screen back panel. The robot 4, the first gripper 16, and the second gripper 17 are all existing structures, and their specific structures are not repeated here. The first gripper 16 and the second gripper 17 use suction cup grippers.

[0037] Reference Figure 2 and Figure 3The feeding section 1 includes a feeding frame 19, and the top of the feeding frame 19 is provided with a first step surface 20 and a second step surface 21, the first step surface 20 is located below the front side of the second step surface 21, and the first step surface 20 is provided with a left basket platform 22, a right basket platform 23 and a rearward inclined support platform 24, the left basket platform 22 and the right basket platform 23 are located in front of the support platform 24 and are arranged at intervals on the left and right. The basket 3 equipped with the back panel of the vehicle-mounted display screen can be placed on the left basket platform 22 / right basket platform 23 and moved from the left basket platform 22 / right basket platform 23 to the support platform 24. The basket 3 after the back panel of the vehicle-mounted display screen has been completely absorbed can be moved from the support platform 24 to the right basket platform 23 / left basket platform 22 and unloaded from the right basket platform 23 / left basket platform 22. The top surface of the support platform 24 is provided with a movable plate 25 that can move left and right. The basket 3 is placed on the movable plate 25. The robot 4 and the secondary positioning assembly 5 are provided on the second stepped surface 21, with the secondary positioning assembly 5 located to the left of the robot 4. The loading frame 19 is provided with a first cover 26. The three first cameras 6 are provided on the first cover 26 and to the left of the secondary positioning assembly 5. The basket 3 has an existing structure, and its specific structure is not repeated here.

[0038] Reference Figure 3 and Figure 4 The top surface of the support platform 24 is provided with two first slide rails 27 arranged front to back, and the bottom surface of the movable plate 25 is provided with two groups of first sliders 28 arranged front to back. Each group of first sliders 28 corresponds to one first slide rail 27 and slides with the first slide rail 27. A strip-shaped through-slot 29 is provided on the left portion of the top surface of the support platform 24, and a connecting block 30 is provided on the bottom surface of the movable plate 25. The bottom of the connecting block 30 passes through the strip-shaped through-slot 29 and is located below the movable plate 25. A first cylinder 31 is provided on the bottom surface of the support platform 24. The piston rod of the first cylinder 31 faces left and is connected to the bottom of the connecting block 30. The first cylinder 31 is used to drive the movable plate 25 to move left and right, thereby driving the basket 3 to move left and right, ensuring that the back panel of the onboard display screen to be grasped by the robot 4 is centered so that the robot 4 can grasp it normally.

[0039] Reference Figure 3 、 Figure 5 、 Figure 6 and Figure 7The secondary positioning assembly 5 includes four support rods 32 and a positioning plate 33 connected to the top of the four support rods 32. The top surface of the positioning plate 33 is provided with a plurality of positioning stations 34 spaced apart from each other. Each positioning station 34 is provided with a front clamping plate 35 and a rear clamping plate 36. Each positioning station 34 is provided with a front through slot 37 and a rear through slot 38. The front clamping plate 35 and the rear clamping plate 36 are respectively located in the front through slot 37 and the rear through slot 38. The bottom of the front clamping plate 35 and the bottom of the rear clamping plate 36 are respectively connected to the front support bar 39 and the rear support bar 40. The bottom surface of the positioning plate 33 is provided with two second slide rails 41 spaced apart from each other. The left and right ends of the front support bar 39 and the left and right ends of the rear support bar 40 are both provided with second sliders 42. The second sliders 42 slide in conjunction with the corresponding second slide rails 41. The bottom surface of the positioning plate 33 is provided with a first servo motor 43, the bottom surface of the front support bar 39 is provided with a first rack 44, and the bottom surface of the rear support bar 40 is provided with a second rack 45. The output shaft of the first servo motor 43 is connected to the first gear 46. The first rack 44 and the second rack 45 are respectively located on the left and right sides of the first gear 46 and are both engaged with the first gear 46. A push plate 47 that can move left and right is provided above the positioning plate 33. The right end of the push plate 47 has three push parts 471, which can push the back panels of three vehicle-mounted display screens at the same time. The top surface of the positioning plate 33 is provided with two third slide rails 48 arranged front and back. The bottom surface of the push plate 47 is provided with two groups of third sliders 49 arranged front and back. Each group of third sliders 49 corresponds to a third slide rail 48 and slides with the third slide rail 48. The left half of the positioning plate 33 is provided with a left through slot 50. The bottom surface of the positioning plate 33 is provided with a second servo motor 51 and the second gear 52, a third rack 53 is provided on the bottom surface of the push plate 47, the output shaft of the second servo motor 51 is connected to the third gear 54, the second gear 52 is located above the third gear 54 and meshes with the third gear 54, the top of the second gear 52 extends out of the left through slot 50 and meshes with the third rack 53, and a first light source frame 55 is provided on the left part of the top surface of the positioning plate 33, and the first light source frame 55 is provided with two first light sources 550 arranged up and down, and the two first light sources 550 provide light source for the first camera 6.

[0040] Reference Figures 2 to 7The first servo motor 43 drives the first rack 44 and the second rack 45 to move forward and backward through the first gear 46, thereby realizing the clamping and opening actions of the front clamping plate 35 and the rear clamping plate 36, and the second servo motor 51 drives the third rack 53 to move left and right through the second gear 52 and the third gear 54, thereby realizing the left and right movement of the push plate 47. After the robot 4 grabs the three vehicle-mounted display screen back panels from the basket 3, it places the three vehicle-mounted display screen back panels on the corresponding positioning stations 34 respectively, and the push plate 47 pushes to the right so that the right end of each vehicle-mounted display screen back panel conflicts with the right end face of the positioning station 34, and then the front clamping plate 35 and the rear clamping plate 36 on each positioning station 34 perform a clamping action, thereby realizing the secondary positioning of the vehicle-mounted display screen back panel. After the three vehicle-mounted display screen back panels complete the secondary positioning, the push plate 47 moves to the left and resets, and the front clamping plate 35 and the rear clamping plate 36 perform an opening action, and then the robot 4 grabs the three vehicle-mounted display screen back panels and makes the backs of the three vehicle-mounted display screen back panels face the three first cameras 6 respectively. The three first cameras 6 take photos and detect the backs of the three vehicle-mounted display screen back panels respectively. After the three first cameras 6 complete taking photos, the robot 4 places the three vehicle-mounted display screen back panels on the conveyor belt 7.

[0041] Reference Figures 9 to 16The detection section 2 includes a detection frame 56, and a left rod 57 and a right rod 58 are provided above the top surface of the detection frame 56. The right side of the left rod 57 and the left side of the right rod 58 are both provided with the conveyor belt 7. Each set of first jacking mechanisms 8 includes a first left jacking mechanism 59 and a first right jacking mechanism 60, and the first left jacking mechanism 59 and the first right jacking mechanism 60 are respectively connected to the left rod 57 and the right rod 58. The set of second jacking mechanisms 9 includes a second left jacking mechanism 61 and a second right jacking mechanism 62, and the second left jacking mechanism 61 and the second right jacking mechanism 62 are respectively connected to the left rod 57 and the right rod 58. Each set of stopping mechanisms 10 includes a left stopping mechanism 63 and a right stopping mechanism 64, and the left stopping mechanism 63 and the right stopping mechanism 64 are respectively connected to the left rod 57 and the right rod 58. The top surface of the detection frame 56 is provided with a first camera frame 65, a second camera frame 66, a fourth camera frame 67, a second light source frame 68, a third light source frame 69, a fifth light source frame 70, a first gripper mounting frame 71, and a second gripper mounting frame 72. The second camera 11 and the third camera 12 are respectively provided on the first camera frame 65 and the second camera frame 66. The left side of the left rod 57 is connected to the third camera frame 73 and the fourth light source frame 74. The fourth camera 13 is provided on the third camera frame 73. The fifth camera 14 is provided at the lower right portion of the fourth camera frame 67. The sixth camera 15 is provided at the top middle portion of the fourth camera frame 67. The second light source frame 68, the third light source frame 69, the fourth light source frame 74, and the fifth light source frame 70 are respectively provided with a second light source 75, a third light source 76, a fourth light source 77, and a fifth light source 78. The first gripper 16 and the second gripper 17 are respectively provided on the first gripper mounting frame 71 and the second gripper mounting frame 72. The detection frame 56 is provided with a second cover 79. The second light source 75 , the third light source 76 , the fourth light source 77 and the fifth light source 78 provide light sources for the four sides of the back panel of the vehicle-mounted display screen.

[0042] Reference Figure 9 、 Figure 10 and Figure 12 The front bottom of the left rod 57 and the front bottom of the right rod 58 are each provided with a mounting base 80. A drive motor 81 and a first pulley 82 are mounted on the mounting base 80. A coaxial second pulley 83 and a third pulley 84 are mounted on the front ends of the left rod 57 and the right rod 58, respectively. A fourth pulley 85 is mounted on the rear ends of the left rod 57 and the right rod 58. The first pulley 82 is connected to the output shaft of the drive motor 81. A transmission belt 86 is mounted between the first and second pulleys 82 and 83. The conveyor belt 7 is mounted between the third and fourth pulleys 84 and 85. The drive motors 81 on the left and right rods 57 and 58 are each used to drive the corresponding conveyor belt 7, thereby transporting the vehicle display back panel to the inspection section 2.

[0043] Reference Figure 10 、 Figure 12 and Figure 14 The first left lifting mechanism 59 includes a first left lifting cylinder 87 and a first left connecting plate 88. The first left lifting cylinder 87 is connected to the left side of the left rod 57. The piston rod of the first left lifting cylinder 87 faces downward and is connected to the left end of the first left connecting plate 88. The first left connecting plate 88 is located below the left rod 57. The right end of the first left connecting plate 88 is located to the right of the left rod 57. Two first left lifting rods 89 are arranged in a front-to-back spaced relationship on the top surface of the right end of the first left connecting plate 88. The first right lifting mechanism 60 includes a first right lifting cylinder 90 and a first right connecting plate 91. The first right lifting cylinder 90 is connected to the right side of the right rod 58. The piston rod of the first right lifting cylinder 90 faces downward and is connected to the right end of the first right connecting plate 91. The first right connecting plate 91 is located below the right rod 58. The left end of the first right connecting plate 91 is located to the left of the right rod 58. Two first right lifting rods 92 are arranged in a front-to-back spaced relationship on the top surface of the left end of the first right connecting plate 91. The first left lifting cylinder 87 is used to drive the lifting of the first left connecting plate 88, thereby driving the lifting of the two first left lifting rods 89; the first right lifting cylinder 90 is used to drive the lifting of the first right connecting plate 91, thereby driving the lifting of the two first right lifting rods 92; the lifting of the two first left lifting rods 89 and the two first right lifting rods 92 can lift the back panel of the vehicle-mounted display screen.

[0044] Reference Figure 10 、 Figure 12 and Figure 15The second left lifting mechanism 61 includes a first linear slide module 93, a first mounting plate 94, and a first support plate 95. The first linear slide module 93 is vertically connected to the bottom of the left rod 57. The bottom of the first mounting plate 94 is connected to the slide of the first linear slide module 93. The top of the first mounting plate 94 is connected to the first support plate 95. The first mounting plate 94 and the first support plate 95 are located on the right side of the left rod 57. The second right lifting mechanism 62 includes a second linear slide module 96, a second mounting plate 97, and a second support plate 98. The second linear slide module 96 is vertically connected to the bottom of the right rod 58. The bottom of the second mounting plate 97 is connected to the slide of the second linear slide module 96. The top of the second mounting plate 97 is connected to the second support plate 98. The second mounting plate 97 and the second support plate 98 are located on the left side of the right rod 58. The first linear slide module 93 is used to drive the first mounting plate 94 and the first support plate 95 to rise and fall, while the second linear slide module 96 is used to drive the second mounting plate 97 and the second support plate 98 to rise and fall. The first and second support plates 95 and 98 rise to lift the back panel of the vehicle display screen. Both the first and second linear slide modules 93 and 96 are conventional structures, and their specific structures are not detailed here.

[0045] Reference Figure 10 、 Figure 12 and Figure 16 The left intercepting mechanism 63 includes a second left lifting cylinder 99 and a second left connecting plate 100. The second left lifting cylinder 99 is connected to the left side of the left rod 57. The piston rod of the second left lifting cylinder 99 faces downward and is connected to the left end of the second left connecting plate 100. The second left connecting plate 100 is located below the left rod 57. The right end of the second left connecting plate 100 is located to the right of the left rod 57. A left intercepting rod 101 is provided on the top surface of the right end of the second left connecting plate 100. The right intercepting mechanism 64 includes a second right lifting cylinder 102 and a second right connecting plate 103. The second right lifting cylinder 102 is connected to the right side of the right rod 58. The piston rod of the second right lifting cylinder 102 faces downward and is connected to the right end of the second right connecting plate 103. The second right connecting plate 103 is located below the right rod 58. The left end of the second right connecting plate 103 is located to the left of the right rod 58. A right intercepting rod 104 is provided on the top surface of the left end of the second right connecting plate 103. The second left lifting cylinder 99 is used to drive the second left connecting plate 100 and the left stop rod 101 to rise and fall, and the second right lifting cylinder 102 is used to drive the second right connecting plate 103 and the right stop rod 104 to rise and fall. The rise of the left stop rod 101 and the right stop rod 104 can stop the back panel of the vehicle display screen.

[0046] Reference Figure 9 、 Figure 10 and Figure 17The first camera mount 65 is provided with a connecting platform 105. A third servo motor 106 and a first screw rod 107 are provided at the bottom of the connecting platform 105. A first screw nut 108 is provided on the first screw rod 107 to cooperate with it. A fourth slider 109 is connected to the top of the first screw nut 108. A fourth slide rail 110 is provided on the connecting platform 105. The fourth slider 109 slidably cooperates with the fourth slide rail 110. A camera mounting plate 111 is provided at the bottom of the first screw nut 108. The second camera 11 is connected to the bottom of the camera mounting plate 111. The third servo motor 106 drives the camera mounting plate 111 to move forward and backward through the first screw rod 107 and the first screw nut 108, thereby achieving forward and backward movement of the second camera 11, so as to capture the front surface of the back panel of the vehicle-mounted display screen of different lengths.

[0047] Reference Figures 9 to 11 The first gripper mounting frame 71 is provided with a rodless cylinder 112. The movable slide of the rodless cylinder 112 is connected to a cylinder mounting plate 113. The cylinder mounting plate 113 is connected to a second cylinder 114. The piston rod of the second cylinder 114 faces downward and is connected to the first gripper 16. The second gripper mounting frame 72 is provided with a third linear slide module 115 arranged in the front-to-back direction. The slide of the third linear slide module 115 is connected to a fourth linear slide module 116 arranged in the left-to-right direction. The slide of the fourth linear slide module 116 is connected to a third cylinder 117. The piston rod of the third cylinder 117 faces downward and is connected to the second gripper 17. The rodless cylinder 112 is used to drive the second cylinder 114 and the first gripper 16 to move left and right. The second cylinder 114 is used to drive the first gripper 16 to rise and fall. The third linear slide module 115 is used to drive the fourth linear slide module 116, the third cylinder 117, and the second gripper 17 to move forward and backward. The fourth linear slide module 116 is used to drive the third cylinder 117 and the second gripper 17 to move left and right. The third cylinder 117 is used to drive the second gripper 17 to move up and down. The third linear slide module 115 and the fourth linear slide module 116 are both existing structures, and their specific structures are not repeated here.

[0048] Reference Figure 9 、 Figure 10 and Figure 13Two bearing seats 118 spaced apart from each other are provided in the middle of the top surface of the detection frame 56. A second screw rod 119 is provided between the two bearing seats 118. A fourth servo motor 120 is provided on the top surface of the detection frame 56, and the output shaft of the fourth servo motor 120 is connected to the second screw rod 119. A second screw nut 121 that cooperates with the second screw rod 119 is connected to the bottom of the left rod 57. Two fifth slide rails 122 spaced apart from each other are provided on the top surface of the detection frame 56. Two fifth sliders 123 spaced apart from each other are provided on the bottom of the left rod 57. Each fifth slider 123 corresponds to a fifth slide rail 122, and the two slide rails 122 slide together in a sliding manner. The fourth servo motor 120 can drive the left rod 57 to move left and right through the second screw rod 119 and the second screw nut 121 to detect vehicle display back panels of different widths.

[0049] Reference Figures 1 to 16 The main working principle of the present invention is as follows: the robot 4 takes three vehicle-mounted display screen back panels from the basket 3 at one time, and the robot 4 takes the three vehicle-mounted display screen back panels to the secondary positioning component 5 for secondary positioning. After the secondary positioning of multiple vehicle-mounted display screen back panels is completed, the robot 4 takes them to an upright state. At this time, the three first cameras 6 respectively take pictures of the back sides of the corresponding vehicle-mounted display screen back panels for detection. After the three first cameras 6 take pictures, the robot 4 places the three vehicle-mounted display screen back panels on the corresponding first jacking mechanisms 8. The three groups of first jacking mechanisms 8 descend one by one from back to front to place the vehicle-mounted display screen back panels on the conveyor belt 7 for transportation. The stopping mechanism 10 arranged in the middle stops the vehicle-mounted display screen back panel to be detected, and the stopping mechanism 10 arranged in front stops the next vehicle-mounted display screen back panel to be detected, and then the group of second jacking mechanisms 9 stops the vehicle-mounted display screen back panel to be detected. The screen back panel is lifted up, and the second camera 11, the third camera 12, the fourth camera 13, and the fifth camera 14 respectively take photos of the front, rear, left, and right sides of the vehicle display screen back panel. The sixth camera 15 takes photos of the front of the vehicle display screen back panel. After all six sides of the vehicle display screen back panel have been photographed and inspected, the second lifting mechanism 9 descends, and the two groups of intercepting mechanisms 10 arranged in the front and the middle are released. The vehicle display screen back panel is placed back on the conveyor belt 7 for transportation. The intercepting mechanism 10 arranged in the back intercepts the inspected vehicle display screen back panel, and then it is grabbed by the first gripper 16 and taken to the re-inspection conveyor belt 18 or the second gripper 17 and taken to the next process (if the vehicle display screen back panel fails the inspection, it is grabbed by the first gripper 16; if it passes the inspection, it is grabbed by the second gripper 17). Then the next vehicle display screen back panel to be inspected is inspected. Repeating the above steps can realize defect inspection of the six sides of the vehicle display screen back panel. The above-mentioned automatic actions and detection results are controlled by a PLC controller. The control method and detection method of the PLC controller are conventional technical means in this field and will not be described in detail here.

[0050] The above is only a specific implementation of the present invention, but the design concept of the present invention is not limited to this. Any non-substantial changes to the present invention using this concept shall be deemed as an infringement of the protection scope of the present invention.

Claims

1. Vehicle display back panel defect detection equipment, characterized by: The invention comprises a feeding section and an inspection section, wherein the feeding section is provided with a basket for placing a vehicle-mounted display screen back panel, a robot for sucking a plurality of vehicle-mounted display screen back panels, a secondary positioning component for performing secondary positioning on the plurality of vehicle-mounted display screen back panels, and a plurality of first cameras, the inspection section is provided with a conveyor belt, a plurality of first lifting mechanisms, a group of second lifting mechanisms, three groups of stopping mechanisms, a second camera, a third camera, a fourth camera, a fifth camera, a sixth camera, a first gripper, a second gripper and a re-inspection conveyor belt, the conveyor belt is arranged along the length of the inspection section, the plurality of first lifting mechanisms are located at the front end of the inspection section and are spaced apart from each other, each group of first lifting mechanisms corresponds to a vehicle-mounted display screen back panel, the group of second lifting mechanisms is located at the rear section of the inspection section, the three groups of stopping mechanisms The mechanisms are arranged at intervals in front and back, the group of second jacking mechanisms is located between the two groups of intercepting mechanisms arranged in front and in the middle, the multiple first cameras are arranged at intervals in front and back, the second camera, the third camera, the fourth camera and the fifth camera are respectively located in front, behind, left and right of a group of second jacking mechanisms, the sixth camera is located directly above a group of second jacking mechanisms, the first gripper and the second gripper are located at the rear end of the detection section, the second gripper is located at the rear side of the first gripper, the multiple groups of first jacking mechanisms, the group of second jacking mechanisms and the three groups of intercepting mechanisms can all be raised and lowered, the first gripper can be moved left and right and raised and lowered, the second gripper can be moved forward and backward, left and right and raised and lowered, and the re-inspection conveyor belt is located on one side of the first gripper; The loading section includes a loading frame, the top of the loading frame is provided with a first step surface and a second step surface, the first step surface is located below the front side of the second step surface, the first step surface is provided with a left basket platform, a right basket platform and a support platform tilted backward, the left basket platform and the right basket platform are located on the front side of the support platform and are arranged at intervals on the left and right, the top surface of the support platform is provided with a movable plate that can move left and right, the basket is placed on the movable plate, the robot and the secondary positioning assembly are provided on the second step surface, the secondary positioning assembly is located on the left side of the robot, the loading frame is provided with a first cover shell, the multiple first cameras are provided on the first cover shell and are located on the left side of the secondary positioning assembly; The rear wheel assembly comprises a first gear and a second gear, and the second gear is engaged with the first gear and the second gear is engaged with the first gear and the second gear is engaged with the first gear. The top of the second gear extends out of the left through slot and meshes with the third rack. A first light source frame is provided on the left side of the top surface of the positioning plate, and the first light source frame is provided with two first light sources arranged up and down. The detection section includes a detection frame, a left rod and a right rod are provided above the top surface of the detection frame, and the right side of the left rod and the left side of the right rod are both provided with the conveyor belt.

2. The vehicle-mounted display back panel defect detection device according to claim 1, characterized in that: The top surface of the support platform is provided with two first slide rails arranged in front and back, and the bottom surface of the movable plate is provided with two groups of first sliders arranged in front and back, each group of first sliders corresponds to a first slide rail and slides with the first slide rail. A strip through groove is provided on the left part of the top surface of the support platform, and a connecting block is provided on the bottom surface of the movable plate. The bottom of the connecting block passes through the strip through groove and is located below the movable plate. A first cylinder is provided on the bottom surface of the support platform, and the piston rod of the first cylinder faces left and is connected to the bottom of the connecting block.

3. The vehicle-mounted display back panel defect detection device according to claim 1, characterized in that: Each group of first jacking mechanisms includes a first left jacking mechanism and a first right jacking mechanism, and the first left jacking mechanism and the first right jacking mechanism are connected to the left rod and the right rod respectively; the group of second jacking mechanisms includes a second left jacking mechanism and a second right jacking mechanism, and the second left jacking mechanism and the second right jacking mechanism are connected to the left rod and the right rod respectively; each group of intercepting mechanisms includes a left intercepting mechanism and a right intercepting mechanism, and the left intercepting mechanism and the right intercepting mechanism are connected to the left rod and the right rod respectively; the top surface of the detection frame is provided with a first camera frame, a second camera frame, a fourth camera frame, a second light source frame, a third light source frame, a fifth light source frame, a first gripper frame The first gripper and the second gripper are mounted on the first camera frame and the second camera frame respectively, the left side of the left rod is connected with the third camera frame and the fourth light source frame, the fourth camera is arranged on the third camera frame, the fifth camera is arranged on the lower right part of the fourth camera frame, the sixth camera is arranged on the top middle part of the fourth camera frame, the second light source frame, the third light source frame, the fourth light source frame and the fifth light source frame are respectively provided with the second light source, the third light source, the fourth light source and the fifth light source, the first gripper and the second gripper are respectively arranged on the first gripper mounting frame and the second gripper mounting frame, and the detection frame is provided with a second cover.

4. The vehicle-mounted display back panel defect detection device according to claim 3, characterized in that: The front end bottom of the left rod and the front end bottom of the right rod are both provided with mounting seats, and a driving motor and a first pulley are provided on the mounting seats. The front ends of the left rod and the right rod are both provided with coaxial second pulleys and third pulleys, and the rear ends of the left rod and the right rod are both provided with fourth pulleys, the first pulley is connected to the output shaft of the driving motor, a transmission belt is provided between the first pulley and the second pulley, and the conveyor belt is provided between the third pulley and the fourth pulley.

5. The vehicle-mounted display back panel defect detection device according to claim 3, characterized in that: The first left lifting mechanism includes a first left lifting cylinder and a first left connecting plate, the first left lifting cylinder is connected to the left side of the left rod, the piston rod of the first left lifting cylinder faces downward and is connected to the left end of the first left connecting plate, the first left connecting plate is located below the left rod, the right end of the first left connecting plate is located on the right side of the left rod, and the top surface of the right end of the first left connecting plate is provided with two first left lifting rods arranged at intervals front and back; the first right lifting mechanism includes a first right lifting cylinder and a first right connecting plate, the first right lifting cylinder is connected to the right side of the right rod, the piston rod of the first right lifting cylinder faces downward and is connected to the right end of the first right connecting plate, the first right connecting plate is located below the right rod, the left end of the first right connecting plate is located on the left side of the right rod, and the top surface of the left end of the first right connecting plate is provided with two first right lifting rods arranged at intervals front and back.

6. The vehicle-mounted display screen back panel defect detection device according to claim 3, characterized in that: The second left lifting mechanism includes a first linear slide module, a first mounting plate and a first support plate. The first linear slide module is vertically connected to the bottom of the left rod, the bottom of the first mounting plate is connected to the slide of the first linear slide module, the top of the first mounting plate is connected to the first support plate, and the first mounting plate and the first support plate are located on the right side of the left rod; the second right lifting mechanism includes a second linear slide module, a second mounting plate and a second support plate. The second linear slide module is vertically connected to the bottom of the right rod, the bottom of the second mounting plate is connected to the slide of the second linear slide module, the top of the second mounting plate is connected to the second support plate, and the second mounting plate and the second support plate are located on the left side of the right rod.

7. The vehicle-mounted display screen back panel defect detection device according to claim 3, characterized in that: The left intercepting mechanism includes a second left lifting cylinder and a second left connecting plate, the second left lifting cylinder is connected to the left side of the left rod, the piston rod of the second left lifting cylinder faces downward and is connected to the left end of the second left connecting plate, the second left connecting plate is located below the left rod, the right end of the second left connecting plate is located on the right side of the left rod, and a left intercepting rod is provided on the top surface of the right end of the second left connecting plate; the right intercepting mechanism includes a second right lifting cylinder and a second right connecting plate, the second right lifting cylinder is connected to the right side of the right rod, the piston rod of the second right lifting cylinder faces downward and is connected to the right end of the second right connecting plate, the second right connecting plate is located below the right rod, the left end of the second right connecting plate is located on the left side of the right rod, and a right intercepting rod is provided on the top surface of the left end of the second right connecting plate.

8. The vehicle-mounted display screen back panel defect detection device according to claim 3, characterized in that: A connecting platform is provided on the first camera frame, a third servo motor and a first screw rod are provided at the bottom of the connecting platform, a first screw rod is provided on the first screw rod to cooperate with it, a fourth slider is connected to the top of the first screw rod nut, a fourth slide rail is provided on the connecting platform, the fourth slider is slidably matched with the fourth slide rail, a camera mounting plate is provided at the bottom of the first screw rod nut, and the second camera is connected to the bottom of the camera mounting plate.

9. The vehicle-mounted display screen back panel defect detection device according to claim 3, characterized in that: The first gripper mounting frame is provided with a rodless cylinder, the movable slide of the rodless cylinder is connected to the cylinder mounting plate, the cylinder mounting plate is connected to the second cylinder, the piston rod of the second cylinder faces downward and is connected to the first gripper; the second gripper mounting frame is provided with a third linear slide module arranged in the front-to-back direction, the slide of the third linear slide module is connected to the fourth linear slide module arranged in the left-to-right direction, the slide of the fourth linear slide module is connected to the third cylinder, the piston rod of the third cylinder faces downward and is connected to the second gripper.

10. The vehicle-mounted display back panel defect detection device according to claim 3, characterized in that: Two bearing seats arranged at intervals on the left and right are provided in the middle of the top surface of the detection frame, a second screw rod is provided between the two bearing seats, a fourth servo motor is provided on the top surface of the detection frame, the output shaft of the fourth servo motor is connected to the second screw rod, the bottom of the left rod is connected to a second screw rod nut matched with the second screw rod, two fifth slide rails arranged at intervals on the front and back are provided on the top surface of the detection frame, and two fifth sliders arranged at intervals on the front and back are provided at the bottom of the left rod, each fifth slider corresponds to a fifth slide rail and the two are slidably matched.

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