Surface defect detection machine for automobile suspension torsion bar
By designing a surface defect detection machine for the automobile suspension torsion rod, using components such as the conveyor belt mechanism and CCD camera, the problems of high labor intensity and high leakage detection rate of manual inspection are solved, and the accurate detection of the circumferential surface defects and length dimensions of the automobile suspension torsion rod are achieved, and product quality is improved.
Patent Information
- Application Number
- CN202420680754.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-03
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-04-03
AI Technical Summary
In the prior art, the defects of the circumferential surface of the vehicle suspension torsion rod are detected through manual observation, which has high labor intensity and high leakage detection rate, and it is difficult to accurately measure the overall length and dimension, resulting in poor product quality.
A surface defect detection machine for automobile suspension torsion rods is designed, and components such as conveyor belt mechanism, CCD camera, moving mechanism and rotating motor are used to realize the detection of the circumferential surface defects and length measurement of the automobile suspension torsion rods.
It improves the accuracy of the test results, reduces the intensity of manual labor, is suitable for batch inspection, and ensures the stability of product quality.
Smart Images

Figure CN222762087U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile suspension torsion bars, in particular to a surface defect detection machine for automobile suspension torsion bars. Background Art
[0002] The automobile suspension torsion bar is a mechanism that connects the wheels to the body, supporting and reducing vibrations on the body. It mainly transmits the force acting between the wheels and the frame, and buffers the impact force transmitted to the frame or body by uneven roads, attenuating the vibration caused thereby, to ensure that the car can run smoothly. Therefore, in order to ensure the quality of the automobile suspension torsion bar, it is necessary to inspect its circumferential surface defects after processing.
[0003] In the prior art, the circumferential surface defects of automobile suspension torsion bars are generally detected by manual observation, which not only has high labor intensity, but also has a high rate of missed defects. It is also inconvenient to accurately measure the overall length of the automobile suspension torsion bar, resulting in poor product quality. Further development and improvement are needed. Utility Model Content
[0004] The purpose of the utility model is to provide a surface defect detection machine for automobile suspension torsion bars in order to solve the problem that in the prior art, the circumferential surface defects of automobile suspension torsion bars are detected by manual observation, which not only has high labor intensity, but also has a high rate of missed defects and is inconvenient to accurately measure the overall length of the automobile suspension torsion bars, resulting in poor product quality.
[0005] The utility model achieves the above-mentioned purpose through the following technical solutions: a surface defect detection machine for automobile suspension torsion bar, comprising a workbench, a support frame is arranged on the upper part of the workbench, two ends of the bottom of the support frame are respectively connected to the two ends of the longitudinal direction of the top of the workbench, a mounting frame is arranged on the upper part of the workbench inside the support frame, a conveyor belt mechanism is installed on the mounting frame, rectangular hollows are arranged on both sides of the longitudinal direction of the support frame, a movable support plate is connected to the bottom surface of the support frame along the longitudinal direction, a CCD camera is arranged at the bottom of the movable support plate, a movable mechanism is arranged between the movable support plate and the support frame, and the two transverse sides of the rectangular hollow are connected to the movable support plate. A lifting support plate is slidably connected between the inner surfaces of the sides along the vertical direction, a lifting device is arranged between the bottom of the lifting support plate and the rectangular hollow bottom surface, a telescopic device is arranged on the surface of the lifting support plate on the side away from the mounting frame in the longitudinal direction, a supporting mounting plate is installed on the output end of the telescopic device through the lifting support plate, a distance sensor is arranged on the surface of the supporting mounting plate close to the mounting frame and located below the telescopic device in the longitudinal direction, a rotating motor is arranged on the surface of the supporting mounting plate away from the mounting frame and located above the telescopic device, and a frustum-shaped clamping block is installed on the output end of the rotating motor through the supporting mounting plate.
[0006] Furthermore, the workbench and the support frame, as well as the workbench and the mounting frame are connected by welding.
[0007] Furthermore, a control device is provided at one end of the upper portion of the workbench, and the drive motor in the conveyor belt mechanism, the CCD camera, the transmission motor in the moving mechanism, the lifting device, the telescopic device, the distance sensor and the rotating motor are all electrically connected to the control device.
[0008] Furthermore, the support mounting plate is provided with a guide plug rod between the telescopic device and the rotating motor, and the guide plug rod is plug-connected with the lifting support plate.
[0009] Furthermore, the clamping surface of the frustum-shaped clamping block is provided with an anti-slip protection pad made of rubber material.
[0010] Furthermore, an alarm is provided on one side of the support frame and is electrically connected to the control device.
[0011] Compared with the prior art, the beneficial effects of the utility model are: the utility model has a reasonable design, a simple and stable structure, and strong practicality; it can clamp the automobile suspension torsion bar transmitted on the conveyor belt mechanism and raise it to the bottom of the CC camera and drive it to rotate, and the CCD camera is used to perform defect detection on the circumferential surface of the automobile suspension torsion bar through longitudinal reciprocating motion, which can not only improve the accuracy of the detection result, but also greatly reduce the labor intensity of manual labor. In addition, it is also suitable for the detection of circumferential surface defects of batches of automobile suspension torsion bars, and at the same time, the length size of the automobile suspension torsion bar can also be detected to ensure the stability of product quality, which is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0013] Figure 2 for Figure 1 Enlarged view of part A in the middle;
[0014] Figure 3 It is the front view of the utility model.
[0015] In the figure: 1-workbench, 2-support frame, 3-mounting frame, 4-conveyor belt mechanism, 5-rectangular hollow, 6-movable support plate, 7-CCD camera, 8-moving mechanism, 9-lifting support plate, 10-lifting device, 11-telescopic device, 12-support mounting plate, 13-distance sensor, 14-rotating motor, 15-clamping block, 16-control device, 17-guide plug rod. DETAILED DESCRIPTION
[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0017] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0018] Combination Figures 1 to 3 The surface defect detection machine of a torsion bar of an automobile suspension shown in the figure comprises a workbench 1, a support frame 2 is arranged on the upper part of the workbench 1, and the two ends of the bottom of the support frame 2 are respectively connected to the two ends of the top of the workbench 1 in the longitudinal direction, a mounting frame 3 is arranged on the upper part of the workbench 1 inside the support frame 2, and a conveyor belt mechanism 4 is installed on the mounting frame 3, rectangular hollows 5 are arranged on both sides of the longitudinal direction of the support frame 2, a movable support plate 6 is slidably connected to the bottom surface of the support frame 2 in the longitudinal direction, a CCD camera 7 is arranged at the bottom of the movable support plate 6, a movable mechanism 8 is arranged between the movable support plate 6 and the support frame 2, and the inner surfaces on both sides of the rectangular hollows 5 are slidably connected in the vertical direction. A lifting support plate 9 is connected, a lifting device 10 is arranged between the bottom of the lifting support plate 9 and the bottom surface of the rectangular hollow 5, a telescopic device 11 is arranged on the surface of the lifting support plate 9 on the side away from the mounting frame 3 in the longitudinal direction, and a supporting mounting plate 12 is installed on the output end of the telescopic device 11 through the lifting support plate 9, a distance sensor 13 is arranged on the surface of the supporting mounting plate 12 on the side close to the mounting frame 3 in the longitudinal direction and located below the telescopic device, a rotating motor 14 is arranged on the surface of the supporting mounting plate 12 on the side away from the mounting frame 3 in the longitudinal direction and located above the telescopic device 11, and a frustum-shaped clamping block 15 is installed on the output end of the rotating motor 14 through the supporting mounting plate 12.
[0019] The workbench 1 and the support frame 2 as well as the workbench 1 and the mounting frame 3 are connected by welding to ensure the stability and firmness of the connection structure between them and improve the safety and service life of the use; a control device 16 is arranged at one end of the upper part of the workbench 1, and the driving motor in the conveyor belt mechanism 4, the CCD camera 7, the transmission motor in the moving mechanism 8, the lifting device 10, the telescopic device 11, the distance sensor 13 and the rotating motor 14 are all electrically connected to the control device 16, so as to control the conveyor belt mechanism 4, the CCD camera 7, the moving mechanism 8, the lifting device 10, the telescopic device 11, the distance sensor 13 and the rotating motor 14 through the control device 16. The working status of the sensor 13 and the rotating motor 14; wherein the conveyor belt mechanism 4 includes a conveyor belt body, a plurality of transmission rollers are arranged on the inner side of the conveyor belt body, and a driving motor is arranged at one end of the transmission roller to drive the transmission roller to rotate, so that the conveyor belt transmits the automobile suspension torsion bar. In addition, in order to ensure the stability of the position of the automobile suspension torsion bar during the transmission process on the upper part of the conveyor belt and to facilitate the clamping of the clamping block, a plurality of flexible magnet strips are equidistantly arranged on the outer surface of the conveyor belt body; wherein the moving mechanism 8 is a mechanical structure of screw drive, and the lifting device 10 and the telescopic device 11 are one of a hydraulic cylinder or a servo electric cylinder, which is convenient for controlling the stroke size.
[0020] The support mounting plate 12 is located between the telescopic device 11 and the rotating motor 14 and is provided with a guide plug rod 17. The guide plug rod 17 is plugged and connected to the lifting support plate 9 to prevent the support mounting plate 12 from rotating during the longitudinal movement; the clamping surface of the cone-shaped clamping block 15 is provided with an anti-slip protection pad made of rubber material to ensure that the automobile suspension torsion bar is clamped stably and firmly while avoiding scratches or scratches on the automobile suspension torsion bar; an alarm is provided on one side of the support frame 2 and is electrically connected to the control device 16 to provide a reminder when defects are detected on the circumferential surface of the automobile suspension torsion bar so as to remove defective products.
[0021] Working principle: the automobile suspension torsion bar to be tested is neatly placed on the flexible magnet strip in the conveyor belt mechanism in turn, and then the automobile suspension torsion bar is transmitted. When the automobile suspension torsion bar is transmitted to the clamping block, the conveyor belt mechanism stops transmitting, and the lifting support plate is driven to lift by controlling the lifting device so that the axis of the clamping block coincides with the axis of the automobile suspension torsion bar, and then the telescopic device is controlled to drive the clamping block forward to clamp the automobile suspension torsion bar, and then the lifting device is continued to be controlled to drive the automobile suspension torsion bar to rise so that it leaves the conveying mechanism, and then it is driven to rotate by the rotating motor. At the same time, the moving mechanism is controlled to drive the moving support plate to reciprocate in the longitudinal direction, and the circumferential surface of the automobile suspension torsion bar is inspected for defects by the CCD camera. In addition, during the clamping process of the automobile suspension torsion bar, the clamping surface of the clamping block and the initial distance measuring surface of the distance sensor are located in the same vertical plane to detect the length and size of the automobile suspension torsion bar. After the detection is completed, the above steps are reversed to restore the automobile suspension torsion bar to the flexible magnet strip in the conveyor belt mechanism, and the conveyor belt mechanism is controlled to continue transmitting to detect the next automobile suspension torsion bar.
[0022] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0023] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A surface defect detection machine for automobile suspension torsion bars, comprising a workbench (1), characterized in that: A support frame (2) is arranged on the upper part of the workbench (1), and the two ends of the bottom of the support frame (2) are respectively connected to the two ends of the top of the workbench (1) in the longitudinal direction. A mounting frame (3) is arranged on the upper part of the workbench (1) inside the support frame (2), and a conveyor belt mechanism (4) is installed on the mounting frame (3). Rectangular hollows (5) are arranged on both sides of the longitudinal direction of the support frame (2). A movable support plate (6) is slidably connected to the bottom surface of the support frame (2) in the longitudinal direction, and a CCD camera (7) is arranged at the bottom of the movable support plate (6). A movable mechanism (8) is arranged between the movable support plate (6) and the support frame (2). A lifting support plate (9) is slidably connected to the inner surfaces of the two sides of the rectangular hollow (5) in the vertical direction. The lifting support plate (9) is arranged on the bottom surface of the movable support plate (6). A lifting device (10) is arranged between the bottom of the plate (9) and the bottom surface of the rectangular hollow (5); a telescopic device (11) is arranged on the surface of the lifting support plate (9) on the side away from the mounting frame (3) in the longitudinal direction; the output end of the telescopic device (11) passes through the lifting support plate (9) and is installed with a supporting mounting plate (12); a distance sensor (13) is arranged on the surface of the supporting mounting plate (12) on the side close to the mounting frame (3) in the longitudinal direction and located below the telescopic device; a rotating motor (14) is arranged on the surface of the supporting mounting plate (12) on the side away from the mounting frame (3) in the longitudinal direction and located above the telescopic device (11); and a cone-shaped clamping block (15) is installed on the output end of the rotating motor (14) through the supporting mounting plate (12).
2. The surface defect detection machine for automobile suspension torsion bar according to claim 1 is characterized in that The workbench (1) and the support frame (2) as well as the workbench (1) and the mounting frame (3) are connected by welding.
3. The surface defect detection machine for automobile suspension torsion bar according to claim 1 is characterized in that A control device (16) is provided at one end of the upper portion of the workbench (1); the drive motor in the conveyor belt mechanism (4), the CCD camera (7), the transmission motor in the moving mechanism (8), the lifting device (10), the telescopic device (11), the distance sensor (13) and the rotating motor (14) are all electrically connected to the control device (16).
4. The surface defect detection machine for automobile suspension torsion bar according to claim 1 is characterized in that The support mounting plate (12) is provided with a guide plug rod (17) between the telescopic device (11) and the rotating motor (14), and the guide plug rod (17) is plug-connected with the lifting support plate (9).
5. The surface defect detection machine for automobile suspension torsion bar according to claim 1 is characterized in that The clamping surface of the frustum-shaped clamping block (15) is provided with an anti-slip protective pad made of rubber material.
6. The surface defect detection machine for automobile suspension torsion bar according to claim 3 is characterized in that An alarm is provided on one side of the support frame (2) and is electrically connected to the control device (16).