Helical gear visual inspection device capable of simultaneously and steplessly adjusting light source and angle
By using a rotation and telescopic mechanism driven by a multi-servo motor in the helical gear visual detection device, the camera and light source are gradually adjusted angle and distance, solving the flexibility of angle adjustment in helical gear detection, and improving detection accuracy and operation convenience.
Patent Information
- Application Number
- CN202421090625.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-05-20
AI Technical Summary
In visual inspection, the special tooth surface structure of the helical gear needs to adjust the angle of the camera and light source to ensure the accuracy and reliability of the detection. It is difficult for the prior art to achieve the flexibility of stepless adjustment of the light source and angle.
A helical gear visual detection device is designed, using a multi-servo motor to drive the rotating shaft, telescopic shaft and movable pin to form a polygon connecting rod frame to realize stepless adjustment of the angle and distance between the camera and the light source.
It improves the shooting accuracy in visual inspection and meets the multi-angle shooting requirements for the helical tooth surface on the helical gear. It is simple to operate and easy to use.
Smart Images

Figure CN222671673U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of visual detection, in particular to a helical gear visual detection device capable of simultaneously and steplessly adjusting a light source and an angle. Background Art
[0002] Generally, visual inspection systems are composed of cameras, lenses, and light sources. They can replace manual inspections for cracks, packaging, surface integrity, dents, etc. The use of visual inspection systems can effectively improve the inspection speed and accuracy of production lines, greatly increase output and quality, reduce labor costs, and prevent misjudgments due to eye fatigue.
[0003] When visual inspection is used for helical gear tooth surface inspection, due to the special helical tooth surface of the helical gear, the angle of the camera and light source needs to be adjusted during this process to ensure that the camera can capture a complete image of the helical gear surface in the correct position, thereby improving the accuracy and reliability of gear surface defect detection. Utility Model Content
[0004] In order to solve the above problems, the utility model provides a helical gear visual inspection device which can simultaneously and steplessly adjust the light source and the angle.
[0005] The technical solution adopted by the utility model to solve its technical problems is: a visual inspection device for helical gears capable of steplessly adjusting the light source and angle at the same time, with a base plate, a convex frame, a No. 1 servo motor, a No. 2 servo motor, a No. 3 servo motor, a light source, a camera, a helical gear and a positioning frame as the main body; the convex frame and the positioning frame are arranged and fixedly mounted on the base plate respectively, and the helical gear to be inspected is located directly above the positioning frame; the No. 1 servo motor is provided with a rotating shaft that cooperates with the No. 1 servo motor to drive the rotation, and the No. 1 servo motor is fixedly connected to the convex frame; the front end of the rotating shaft is provided with a pendulum The movable frame, the rotating frame and the movable pin, the rotating frame is fixedly connected to the rotating shaft, and the swing frame is sleeved on the rotating frame through the movable pin; the No. 2 servo motor is provided with a No. 1 telescopic shaft that cooperates with the No. 2 servo motor to drive the extension and retraction, the tail of the No. 2 servo motor and the front end of the No. 1 telescopic shaft are respectively connected to the swing frame and the rotating frame through the movable pin; the No. 3 servo motor is provided with a No. 2 telescopic shaft that cooperates with the No. 3 servo motor to drive the extension and retraction, the light source and the camera are respectively fixedly installed on the front end of the No. 2 telescopic shaft and the tail of the No. 3 servo motor; the swing frame, the rotating frame and the No. 2 servo motor form a polygonal connecting rod frame shape.
[0006] Preferably, the rotating frame is in a concave shape, and the rotating frame is formed by bending sheet metal.
[0007] Preferably, the first servo motor drives the rotating shaft to steplessly adjust the rotation angle.
[0008] Preferably, the second servo motor drives the first telescopic shaft to steplessly adjust the telescopic distance, so that the swing frame can steplessly adjust the rotation angle around the movable pin on the rotating frame.
[0009] Preferably, the third servo motor drives the second telescopic shaft to steplessly adjust the telescopic distance, thereby steplessly adjusting the distance between the camera and the light source.
[0010] Preferably, the second servo motor is located at a mid-plane position between the swing frame and the rotating frame.
[0011] Preferably, the swing frame and the rotating frame are in an embedded and interlocking state, and the swing frame and the rotating frame are in a square frame shape when viewed from a top view.
[0012] The beneficial effects of the utility model are as follows: a polygonal connecting rod frame is formed by a swing frame, a rotating frame and a No. 2 servo motor, thereby improving the stability of the camera and the light source during the stepless adjustment process, thereby improving the accuracy of taking pictures in visual inspection, and the stepless adjustment of the multi-axis angles of the camera and the light source can meet the multi-angle shooting of the bevel tooth surface on the bevel gear, and the operation is simple and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a front view of a helical gear visual inspection device that can simultaneously and steplessly adjust the light source and angle.
[0014] Figure 2 for Figure 1 A partial enlarged view of point A in the middle.
[0015] Figure 3 It is a stereoscopic diagram of a helical gear visual inspection device capable of simultaneously and steplessly adjusting the light source and the angle.
[0016] Figure 4 for Figure 3 A partial enlarged view of point B in the middle.
[0017] In the figure: 1, bottom plate; 2, convex frame; 3, servo motor No. 1, 31, rotating shaft, 32, rotating frame; 4, servo motor No. 2, 41, telescopic shaft No. 1; 5, movable pin; 6, swing frame; 7, servo motor No. 3, 71, telescopic shaft No. 2; 8, light source; 9, camera; 101, bevel gear; 102, positioning frame. DETAILED DESCRIPTION
[0018] In order to make the technical solution of the present invention clearer, the present invention is further explained below in conjunction with the specific embodiments of the drawings; it should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.
[0019] like Figure 1-4 As shown, the utility model is a helical gear visual inspection device capable of simultaneously steplessly adjusting the light source and angle, with a base plate 1, a convex frame 2, a No. 1 servo motor 3, a No. 2 servo motor 4, a No. 3 servo motor 7, a light source 8, a camera 9, a helical gear 101 and a positioning frame 102 as the main body; the convex frame 2 and the positioning frame 102 are arranged and fixedly installed on the base plate 1, and the helical gear 101 to be inspected is located directly above the positioning frame 102; the No. 1 servo motor 3 is provided with a rotating shaft 31 that cooperates with the No. 1 servo motor 3 to drive the rotation, and the No. 1 servo motor 3 is fixedly connected to the convex frame 2; the front end of the rotating shaft 31 is provided with a swing frame 6, a rotating frame 3 2 and movable pin 5, the rotating frame 32 is fixedly connected with the rotating shaft 31, and the swing frame 6 is sleeved on the rotating frame 32 through the movable pin 5; the No. 2 servo motor 4 is provided with a No. 1 telescopic shaft 41 that cooperates with the No. 2 servo motor 4 to drive the extension and retraction, and the tail of the No. 2 servo motor 4 and the front end of the No. 1 telescopic shaft 41 are respectively connected to the swing frame 6 and the rotating frame 32 through the movable pin 5; the No. 3 servo motor 7 is provided with a No. 2 telescopic shaft 71 that cooperates with the No. 3 servo motor 7 to drive the extension and retraction, and the light source 8 and the camera 9 are respectively fixedly installed at the front end of the No. 2 telescopic shaft 71 and the tail of the No. 3 servo motor 7; the swing frame 6, the rotating frame 32 and the No. 2 servo motor 4 form a polygonal connecting rod frame shape.
[0020] In this embodiment, the rotating frame 32 is in a concave shape, and the rotating frame 32 is formed by bending a sheet metal.
[0021] In this embodiment, the first servo motor 3 drives the rotating shaft 31 to steplessly adjust the rotating angle.
[0022] In this embodiment, the second servo motor 4 drives the first telescopic shaft 41 to steplessly adjust the telescopic distance, so that the swing frame 6 can steplessly adjust the rotation angle around the movable pin 5 on the rotating frame 32 .
[0023] In this embodiment, the third servo motor 7 drives the second telescopic shaft 71 to steplessly adjust the telescopic distance, thereby steplessly adjusting the distance between the camera 9 and the light source 8 .
[0024] In this embodiment, the second servo motor 4 is located at the middle surface between the swing frame 6 and the rotating frame 32 .
[0025] In this embodiment, the swing frame 6 and the rotating frame 32 are in an embedded and engaged state, and the swing frame 6 and the rotating frame 32 are in a square frame shape when viewed from a top view.
[0026] When in use, the helical gear 101 to be tested is first mounted on the positioning frame 102 .
[0027] Furthermore, the rotation angle of the rotating frame 32 is steplessly adjusted by driving the rotating shaft 31 through the No. 1 servo motor 3, and the telescopic shaft 41 is driven by the No. 2 servo motor 4 to steplessly adjust the telescopic distance, so that the swing frame 6 can steplessly adjust the rotation angle around the movable pin 5 on the rotating frame 32, and finally the No. 3 servo motor 7 drives the No. 2 telescopic shaft 71 to steplessly adjust the telescopic distance, thereby steplessly adjusting the distance between the camera 9 and the light source 8. When the shooting requirements of the camera 9 and the light source 8 on the bevel tooth surface on the bevel gear 101 are met, the camera 9 is started to shoot.
[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A visual inspection device for helical gears capable of steplessly adjusting light source and angle, characterized in that: The main body is composed of a base plate, a convex frame, a No. 1 servo motor, a No. 2 servo motor, a No. 3 servo motor, a light source, a camera, a bevel gear and a positioning frame; the convex frame and the positioning frame are arranged and fixedly installed on the base plate respectively, and the bevel gear to be detected is located directly above the positioning frame; the No. 1 servo motor is provided with a rotating shaft that cooperates with the No. 1 servo motor to drive the rotation, and the No. 1 servo motor is fixedly connected to the convex frame; the front end of the rotating shaft is provided with a swing frame, a rotating frame and a movable pin, the rotating frame is fixedly connected to the rotating shaft, and the swing frame is sleeved on the rotating frame through a movable pin; the No. 2 servo motor is provided with a No. 1 telescopic shaft that cooperates with the No. 2 servo motor to drive the extension and retraction, and the tail of the No. 2 servo motor and the front end of the No. 1 telescopic shaft are respectively connected to the swing frame and the rotating frame through movable pins; the No. 3 servo motor is provided with a No. 2 telescopic shaft that cooperates with the No. 3 servo motor to drive the extension and retraction, and the light source and the camera are fixedly installed on the front end of the No. 2 telescopic shaft and the tail of the No. 3 servo motor respectively; the swing frame, the rotating frame and the No. 2 servo motor form a polygonal connecting rod frame.
2. According to claim 1, a helical gear visual inspection device capable of simultaneously and steplessly adjusting the light source and the angle is characterized in that: The rotating frame is in a concave shape and is formed by bending sheet metal.
3. The helical gear visual inspection device capable of simultaneously and steplessly adjusting the light source and the angle according to claim 1 is characterized in that: The first servo motor drives the rotating shaft to steplessly adjust the rotating angle.
4. The helical gear visual inspection device capable of simultaneously and steplessly adjusting the light source and the angle according to claim 1 is characterized in that: The second servo motor drives the first telescopic shaft to steplessly adjust the telescopic distance, so that the swing frame can steplessly adjust the rotation angle around the movable pin on the rotating frame.
5. The helical gear visual inspection device capable of simultaneously and steplessly adjusting the light source and the angle according to claim 1 is characterized in that: The third servo motor drives the second telescopic shaft to steplessly adjust the telescopic distance, thereby steplessly adjusting the distance between the camera and the light source.
6. The helical gear visual inspection device capable of simultaneously and steplessly adjusting the light source and the angle according to claim 1 is characterized in that: The second servo motor is located at the middle surface between the swing frame and the rotating frame.
7. The helical gear visual inspection device capable of simultaneously and steplessly adjusting the light source and the angle according to claim 1 is characterized in that: The swing frame and the rotating frame are in an embedded and engaged state, and are in a square frame shape when viewed from a top view.