Visual inspection equipment

Abstract

The utility model relates to the technical field of visual inspection, in particular to visual inspection equipment. An integrated gripper station is mounted on the workbench, the integrated gripper station corresponds to an angular station, a tooth surface detection station, an end surface detection station and a reverse surface detection station which are sequentially mounted from left to right, and the angular station, the tooth surface detection station, the end surface detection station and the reverse surface detection station are sequentially mounted from left to right; data acquisition, image processing, data analysis, data recording and transmission are carried out on each surface of a to-be-detected workpiece through a visual system, a matched angle adjusting mechanism and a matched grabbing mechanism, so that the surface defects of the workpiece are detected. And the workpieces are classified, stored and conveyed according to detection data and use requirements. Therefore, the production efficiency and the product quality can be greatly improved, and the cost is reduced; the equipment recognition rate is high, the missing rate of unqualified products is 0%, manual intervention is not needed in the detection process, and the production cost is greatly reduced while the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of visual detection, in particular to a visual detection device. Background Art

[0002] In the production and manufacturing of some small and complex workpieces, various quality problems are inevitable. If they cannot be discovered and handled in time, they will have a negative impact on the quality and market competitiveness of the product. This places high demands on the inspection personnel and inspection equipment. This visual inspection equipment. Summary of the invention

[0003] The technical problem to be solved by the utility model is: in order to solve the problems existing in the prior art in the above-mentioned background technology, a visual inspection device for detecting quality problems such as surface curves and defects of workpieces is provided.

[0004] The technical solution adopted by the utility model to solve the technical problem is: a visual inspection device, including a frame, a workbench is installed on the frame, an integrated gripper station is installed on the workbench for grabbing a workpiece and simultaneously sending the workpiece to a corresponding station for inspection, the integrated gripper station corresponds to an angular station, a tooth surface inspection station, an end surface inspection station and a reverse surface inspection station installed sequentially from left to right, and the angular station, the tooth surface inspection station, the end surface inspection station and the reverse surface inspection station are installed sequentially from left to right;

[0005] The angular workstation and the tooth surface inspection workstation both include a rotary tool and a visual inspection component. The rotary tool is located below the visual inspection component and faces a gripper component in the integrated gripper workstation.

[0006] The end face inspection station includes a fixed tool and a tooth surface visual inspection component, wherein the tooth surface visual inspection component faces the fixed tool, and the fixed tool faces a gripper component in the integrated gripper station;

[0007] The reverse side inspection station includes a fixed tool and a visual inspection component. The fixed tool is located below the visual inspection component, and the fixed tool is directly opposite to a gripper component in the integrated gripper station.

[0008] Further, the visual inspection component includes a camera mounting bracket, a guide rail and a lead screw assembly are installed on the vertical plate surface of the camera mounting bracket, a slider sliding thereon is installed on the guide rail, a camera bracket connecting plate is installed on the slider, and the camera bracket connecting plate is also connected to the nut seat in the lead screw assembly;

[0009] A first camera adapter plate is installed on the camera bracket connecting plate, and the camera bracket connecting plate and the first camera adapter plate are arranged perpendicular to each other. A light source bracket and a second camera adapter plate are respectively installed on both side surfaces of the first camera adapter plate. A light source is installed on the light source bracket, a camera is installed on the second camera adapter plate, and a lens that passes through the light source is installed on the camera.

[0010] Furthermore, the tooth surface visual inspection component includes a tooth surface inspection station camera mounting plate, on which a tooth surface inspection station camera and a tooth surface inspection station light source are mounted, and the tooth surface inspection station light source is located in front of the lens of the tooth surface inspection station camera.

[0011] Furthermore, the integrated gripper station includes a gripper mounting frame and a first servo motor, the gripper mounting frame is mounted with a first servo motor and a transverse slide rail, the transverse slide rail is mounted with a vertical slide rail sliding thereon, the vertical slide rail is mounted in the slideway of the vertical slide rail, a PPU gripper internal guide rail is mounted on the PPU gripper internal guide rail, a gripper integration board is mounted on the gripper integration board, a number of gripper assemblies are mounted on a gripper assembly close to the reverse detection station, a swing cylinder assembly for driving it to rotate is mounted on the gripper assembly.

[0012] Furthermore, the rotary tooling includes a second servo motor and a rotary tooling base plate, wherein the rotary tooling base plate is installed on the worktable surface, a bearing seat is installed on the rotary tooling base plate, a tooling shaft is installed in the bearing seat, the second servo motor is installed on the bottom surface of the worktable surface, and the output end of the second servo motor passes through the worktable surface and is connected to the tooling shaft, a bearing pressure cover is installed on the bearing seat, and the upper end of the tooling shaft is installed with the first product positioning tooling.

[0013] Furthermore, the fixed tooling includes a fixed tooling base plate, a tooling fixing plate is installed on the fixed tooling base plate, and a second product positioning tooling is installed on the tooling fixing plate.

[0014] Furthermore, the gripper assembly comprises a gripper cylinder, and a material grabbing finger is installed at the output end of the gripper cylinder, and a finger patch is attached to the contact surface between the material grabbing finger and the material.

[0015] Furthermore, the swing cylinder assembly includes a swing cylinder, which is mounted on a gripper integrated plate via a swing cylinder mounting plate, and a gripper assembly is mounted on an output end of the swing cylinder to drive the gripper assembly to rotate.

[0016] Furthermore, both ends of the screw in the screw assembly are mounted on the plate surface of the camera mounting bracket through screw supports, a hand-cranked wheel is mounted on the upper end of the screw in the screw assembly, and a screw anti-rotation fixing member is mounted on the screw between the upper screw support and the hand-cranked wheel.

[0017] Furthermore, an NG material box is installed on the side of the integrated gripper station, a proximity switch is installed on one side of the NG material box, and an NG full material shooting component is installed on the end of the NG material box close to the fixed tooling.

[0018] Beneficial effects of the utility model:

[0019] 1) The utility model realizes data collection on each surface of the workpiece to be inspected through the visual system and the supporting angle adjustment mechanism and the grasping mechanism, and performs image processing, data analysis, data recording and transmission, so as to detect bumps, scratches, powder loss, cracks, material shortage, powder sticking, melting, tooth shortage, oxidation and other defects on the workpiece surface. The workpieces are classified, stored and transported according to the inspection data and usage requirements. This can greatly improve production efficiency and product quality and reduce costs;

[0020] 2) The equipment has a high recognition rate, with 0% omission of defective products. No manual intervention is required during the inspection process, which improves the inspection efficiency and significantly reduces the production cost;

[0021] 3) It is a fully enclosed detection, which reduces the requirements for the environment. The light source and camera can be adjusted according to the actual environment, reducing the impact of external factors on the detection results;

[0022] 4) Compared with similar products, the cost is low and more acceptable to small and medium-sized enterprises;

[0023] 5) It has sound and light alarm, emergency stop and other safety measures. If necessary, a parameter abnormality or fault interlocking shutdown device can be set to achieve higher safety performance;

[0024] 6) The product contact position adopts an external semi-circular profiling to prevent the product from being pinched;

[0025] 7) When changing production, one-key switching can be achieved according to the program set in the system, thereby reducing the requirements for operators, greatly reducing time costs, significantly improving production capacity, and increasing revenue performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0027] Figure 1 It is a structural schematic diagram of the utility model;

[0028] Figure 2 This utility model Figure 1 A schematic diagram of the structure in another direction;

[0029] Figure 3 It is a schematic diagram of the structure of the utility model after removing the cover;

[0030] Figure 4It is a schematic diagram of the structure of the utility model after removing the visual detection component;

[0031] Figure 5 It is a structural schematic diagram of the visual detection component of the utility model;

[0032] Figure 6 This is a schematic diagram of the structure of the integrated gripper station of the utility model;

[0033] Figure 7 It is a structural schematic diagram of the rotary tooling of the utility model;

[0034] Figure 8 It is a structural schematic diagram of the fixed tooling of the utility model;

[0035] In the figure: 1. Maintenance window; 2. Pneumatic components; 3. Plug; 4. Operation panel; 6. Computer host; 7. Warning light; 8. Display screen; 9. Mouse and keyboard bracket; 10. Electrical box; 11. PPU gripper inner guide rail; 12. Gripper integrated board; 14. Gripper cylinder; 15. Finger patch; 17. First servo motor; 19. Gripper mounting frame; 20. Swing cylinder mounting plate; 21. Swing cylinder; 22. Adapter plate; 23. Grasping finger; 24. Detection station shooting assembly; 25. NG full material shooting; 26. Proximity switch; 27. Hand wheel; 28. First camera adapter plate; 29. ​​Light source bracket; 30. Second camera adapter plate; 31. Light source adapter bracket; 32. Camera; 3 3. Light source; 34. Lens; 35. Screw anti-rotation fixing; 36. Guide rail; 37. Slider; 38. Camera bracket connecting plate; 40. Nut seat; 41. Screw support; 42. Camera mounting bracket; 43. Supplementary light source; 45. Tooth surface detection station light source; 46. Tooth surface detection station lens; 47. Tooth surface detection station camera; 48. Tooth surface detection station camera mounting plate; 51. Rotating tooling base plate; 52. Bearing seat; 53. Second servo motor; 54. First product positioning tooling; 55. Tooling rotating shaft; 56. Bearing pressure cover; 57. Second product positioning tooling; 58. Tooling fixing plate; 59. Fixed tooling base plate; 62. Screw fixing seat mounting plate, 63. NG material box. DETAILED DESCRIPTION

[0036] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0037] like Figures 1 to 8A visual inspection device shown includes a frame welded with square tubes, a workbench is installed on the frame, an integrated gripper station is installed on the workbench for grabbing workpieces and simultaneously sending the workpieces to corresponding stations for inspection, the integrated gripper station corresponds to an angular station, a tooth surface inspection station, an end surface inspection station and a reverse side inspection station installed sequentially from left to right, and the angular station, the tooth surface inspection station, the end surface inspection station and the reverse side inspection station are installed sequentially from left to right;

[0038] The angular workstation and the tooth surface inspection workstation both include a rotary tool and a visual inspection component. The rotary tool is located below the visual inspection component and faces a gripper component in the integrated gripper workstation.

[0039] The end face inspection station includes a fixed tool and a tooth surface visual inspection component, wherein the tooth surface visual inspection component faces the fixed tool, and the fixed tool faces a gripper component in the integrated gripper station;

[0040] The reverse side inspection station includes a fixed tool and a visual inspection component. The fixed tool is located below the visual inspection component, and the fixed tool is directly opposite to a gripper component in the integrated gripper station.

[0041] A plurality of detection station shooting components 24 are installed on the plate surface of the workbench, and each detection station shooting component 24 corresponds to a fixed tool or a rotating tool.

[0042] like Figure 5 As shown, the visual inspection component includes a camera mounting bracket 42, a guide rail 36 and a lead screw assembly are installed on the vertical plate surface of the camera mounting bracket 42, a slider 37 sliding thereon is installed on the guide rail 36, a camera bracket connecting plate 38 is installed on the slider 37, and the camera bracket connecting plate 38 is also connected to the nut seat 40 in the lead screw assembly;

[0043] A first camera adapter plate 28 is installed on the camera bracket connecting plate 38, and the first camera bracket connecting plate 38 and the first camera adapter plate 28 are arranged perpendicular to each other. A light source bracket 29 and a second camera adapter plate 30 are respectively installed on both side surfaces of the camera adapter plate 28, a light source 33 is installed on the light source bracket 29, a camera 32 is installed on the second camera adapter plate 30, and a lens 34 passing through the light source 33 is installed on the camera 32.

[0044] A supplementary light source 43 is installed at the lower part of the camera mounting bracket 42 .

[0045] Both ends of the lead screw in the lead screw assembly are mounted on the plate surface of the camera mounting bracket 42 via a lead screw support 41, a hand crank wheel 27 is mounted on the upper end of the lead screw in the lead screw assembly, and a lead screw anti-rotation fixing member 35 is mounted on the lead screw between the upper end lead screw support 41 and the hand crank wheel 27.

[0046] like Figure 4 As shown, the tooth surface visual inspection component includes a tooth surface inspection station camera mounting plate 48, on which a tooth surface inspection station camera 47 and a tooth surface inspection station light source 45 are mounted. The tooth surface inspection station light source 45 is located in front of the lens of the tooth surface inspection station camera 47.

[0047] like Figure 6 As shown, the integrated gripper station includes a gripper mounting frame 19 and a first servo motor 17, the gripper mounting frame 19 is mounted with the first servo motor 17 and a horizontal slide rail, the horizontal slide rail is mounted with a vertical slide rail sliding thereon, the vertical slide rail is mounted with a PPU gripper internal guide rail 11 in the slideway, the PPU gripper internal guide rail is mounted with a gripper integrated board 12, the gripper integrated board 12 is mounted with 3 sets of gripper assemblies, 2 sets of swing grippers, and 1 set of rotating air grippers, and a gripper assembly close to the reverse detection station is mounted with a swing cylinder assembly driving it to rotate.

[0048] The gripper assembly comprises a gripper cylinder 14 , and a material grabbing finger 23 is installed at the output end of the gripper cylinder 14 , and a finger patch 15 is attached to the contact surface between the material grabbing finger 23 and the material.

[0049] The swing cylinder assembly includes a swing cylinder 21, which is mounted on the gripper integrated plate 12 via a swing cylinder mounting plate 20. A gripper assembly is mounted on the output end of the swing cylinder 21 to drive the gripper assembly to rotate.

[0050] like Figure 7 As shown, the rotary tooling includes a second servo motor 53 and a rotary tooling base plate 51, wherein the rotary tooling base plate 51 is mounted on the workbench surface, a bearing seat 52 is mounted on the rotary tooling base plate 51, a tooling shaft 55 is mounted in the bearing seat 52, the second servo motor 53 is mounted on the bottom surface of the workbench surface, and the output end of the second servo motor 53 passes through the workbench surface and is connected to the tooling shaft 55, a bearing pressure cover 56 is mounted on the bearing seat 52, and a first product positioning tooling 54 is mounted on the upper end of the tooling shaft 55.

[0051] like Figure 8 As shown, the fixed tooling includes a fixed tooling base plate 59 , on which a tooling fixing plate 58 is mounted, and on which a second product positioning tooling 57 is mounted.

[0052] like Figure 3 As shown, an NG material box 63 is installed on the side of the integrated gripper station, a proximity switch 26 is installed on one side of the NG material box 63, and an NG full material shooting component 25 is installed on the end of the NG material box 63 close to the fixed tooling.

[0053] In addition, a plug 3 and a pneumatic component 2 are installed on one side of the lower part of the frame, and a computer host 6 and an electrical box 10 are installed on the other side of the lower part of the frame.

[0054] like Figures 1-2 As shown, the upper part of the frame is covered with a cover shell, a maintenance window 1 is opened on one side of the cover shell, and an opening for pulling out the NG material box 63, a mouse, a keyboard bracket 9, an operation panel 4 and a display screen 8 are installed on the other side of the cover shell, and an alarm light 7 is installed on the top of the cover shell.

[0055] The gripper assembly in the integrated gripper station is divided into the first gripper assembly, the second gripper assembly and the rotating gripper assembly.

[0056] Working process:

[0057] Step 1: The workpiece to be inspected is unloaded to the angular station, and the first gripper assembly in the integrated gripper station grabs the workpiece to be inspected transferred from the previous process;

[0058] Step 2: The detection station shooting component 24 of the angular station detects that there is material, and the second servo motor 53 in the rotary tooling of the angular station drives the workpiece to be detected to rotate; the detection station shooting component 24 of the angular station takes a photo for data analysis, and specifies the angle required to be adjusted for the angular station according to the analyzed data;

[0059] Step 3: The first gripper assembly grasps the workpiece that has completed the angular station inspection, and unloads it to the tooth surface inspection station. The inspection station shooting assembly 24 of the tooth surface inspection station detects that there is material, and the inspection assembly of the tooth surface inspection station takes a photo. The second servo motor 53 in the rotating tooling of the tooth surface inspection station drives the workpiece to be inspected to rotate one circle, and the photographed data is analyzed. The analyzed data is transmitted back to the system for record. The second gripper assembly grasps the workpiece on the surface inspection station and unloads it to the end surface inspection station.

[0060] Step 4: After the detection station shooting component 24 of the end face detection station detects that there is material, the detection component of the end face detection station takes a photo, analyzes the photographed data, transmits the analyzed data back to the system for record, rotates the gripper component to grab the workpiece, and the swing cylinder 21 rotates 180° to turn over the workpiece that has been inspected, and the integrated gripper station runs to unload the workpiece to the reverse detection station;

[0061] Step 5: After the detection station shooting component 24 of the back side detection station detects the presence of material, the detection component of the back side detection station takes a photo and analyzes the photographed data. The analyzed data is transmitted back to the system for record. Qualified parts are unloaded by the next sequence (specified by the user according to demand) grippers, and unqualified parts are grabbed by the next sequence grippers and put into the NG material box 63, and this is repeated.

[0062] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A visual inspection device, characterized in that: It comprises a frame, a workbench is installed on the frame, an integrated gripper station for grabbing a workpiece and simultaneously sending the workpiece to a corresponding station for inspection is installed on the workbench, the integrated gripper station corresponds to an angular station, a tooth surface inspection station, an end surface inspection station and a reverse surface inspection station installed sequentially from left to right, and the angular station, the tooth surface inspection station, the end surface inspection station and the reverse surface inspection station are installed sequentially from left to right; The angular workstation and the tooth surface inspection workstation both include a rotary tool and a visual inspection component. The rotary tool is located below the visual inspection component and faces a gripper component in the integrated gripper workstation. The end face inspection station includes a fixed tool and a tooth surface visual inspection component, wherein the tooth surface visual inspection component faces the fixed tool, and the fixed tool faces a gripper component in the integrated gripper station; The reverse side inspection station includes a fixed tool and a visual inspection component. The fixed tool is located below the visual inspection component, and the fixed tool is directly opposite to a gripper component in the integrated gripper station.

2. A visual inspection device according to claim 1, characterized in that: The visual inspection component comprises a camera mounting bracket (42), a guide rail (36) and a lead screw assembly are mounted on a vertical plate surface of the camera mounting bracket (42), a slider (37) sliding thereon is mounted on the guide rail (36), a camera bracket connecting plate (38) is mounted on the slider (37), and the camera bracket connecting plate (38) is also connected to a nut seat (40) in the lead screw assembly; A first camera adapter plate (28) is mounted on the camera bracket connecting plate (38), the camera bracket connecting plate (38) and the first camera adapter plate (28) are arranged perpendicular to each other, a light source bracket (29) and a second camera adapter plate (30) are respectively mounted on two side surfaces of the first camera adapter plate (28), a light source (33) is mounted on the light source bracket (29), a camera (32) is mounted on the second camera adapter plate (30), and a lens (34) passing through the light source (33) is mounted on the camera (32).

3. A visual inspection device according to claim 1, characterized in that: The tooth surface visual inspection component comprises a tooth surface inspection station camera mounting plate (48), on which a tooth surface inspection station camera (47) and a tooth surface inspection station light source (45) are mounted, and the tooth surface inspection station light source (45) is located in front of the lens of the tooth surface inspection station camera (47).

4. A visual inspection device according to claim 1, characterized in that: The integrated gripper station comprises a gripper mounting frame (19) and a first servo motor (17), the gripper mounting frame (19) being mounted with a first servo motor (17) and a transverse slide rail, the transverse slide rail being mounted with a vertical slide rail sliding thereon, the vertical slide rail being mounted with a PPU gripper internal guide rail (11) in the slideway, the PPU gripper internal guide rail being mounted with a gripper integration board (12), a plurality of gripper assemblies being mounted on the gripper integration board (12), and a gripper assembly close to the reverse detection station being mounted with a swing cylinder assembly driving the rotation thereof.

5. A visual inspection device according to claim 1, characterized in that: The rotary tooling comprises a second servo motor (53) and a rotary tooling base plate (51), wherein the rotary tooling base plate (51) is mounted on a work table surface, a bearing seat (52) is mounted on the rotary tooling base plate (51), a tooling rotating shaft (55) is mounted in the bearing seat (52), the second servo motor (53) is mounted on the bottom surface of the work table surface, and the output end of the second servo motor (53) passes through the work table surface and is connected to the tooling rotating shaft (55), a bearing pressure cover (56) is mounted on the bearing seat (52), and a first product positioning tooling (54) is mounted on the upper end of the tooling rotating shaft (55).

6. A visual inspection device according to claim 1, characterized in that: The fixed tooling comprises a fixed tooling base plate (59), a tooling fixing plate (58) is mounted on the fixed tooling base plate (59), and a second product positioning tooling (57) is mounted on the tooling fixing plate (58).

7. A visual inspection device according to claim 4, characterized in that: The gripper assembly comprises a gripper cylinder (14), a material grabbing finger (23) is installed at the output end of the gripper cylinder (14), and a finger patch (15) is attached to the contact surface between the material grabbing finger (23) and the material.

8. A visual inspection device according to claim 4, characterized in that: The swing cylinder assembly comprises a swing cylinder (21), wherein the swing cylinder (21) is mounted on a gripper integrated plate (12) via a swing cylinder mounting plate (20), and a gripper assembly is mounted on the output end of the swing cylinder (21) for driving the gripper assembly to rotate.

9. A visual inspection device according to claim 2, characterized in that: The two ends of the lead screw in the lead screw assembly are mounted on the plate surface of the camera mounting bracket (42) through a lead screw support (41); the upper end of the lead screw in the lead screw assembly is mounted with a hand crank wheel (27); and a lead screw anti-rotation fixing member (35) is mounted on the lead screw between the upper end lead screw support (41) and the hand crank wheel (27).

10. A visual inspection device according to claim 1, characterized in that: An NG material box (63) is installed on the side of the integrated gripper station, a proximity switch (26) is installed on one side of the NG material box (63), and an NG full material shooting component (25) is installed on the end of the NG material box (63) close to the fixed tooling.

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