Equipment for detecting appearance defects of balloon
By combining a camera with an image analysis system, and using electric grippers and servo motors, the problem of comprehensive detection of defects in balloon catheter appearance has been solved, improving the accuracy and efficiency of detection and reducing the intensity of manual labor.
Patent Information
- Application Number
- CN202520206503.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-02-10
AI Technical Summary
Existing technologies struggle to comprehensively acquire images and intelligently identify cosmetic defects on balloon catheters, leading to numerous missed detections and uncertainty and high labor intensity in manual inspection.
By combining a camera with an image analysis system, and through the cooperation of an electric gripper and a servo motor, the balloon can be photographed from all directions and its rotation detected. The balloon is then inflated and observed using an air pump, and defects are identified using the image analysis system.
It enables comprehensive defect detection of balloon catheters, reduces missed detections, improves the accuracy and efficiency of detection, and reduces the intensity of manual labor.
Smart Images

Figure CN223827580U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of balloon appearance defect detection, specifically a device for detecting balloon appearance defects. Background Technology
[0002] Balloon catheters are essential instruments for minimally invasive interventional procedures, and their pressure resistance is a crucial indicator. Balloon catheters with low or unstable pressure resistance can rupture or even break during the inflation process, posing significant safety risks to the procedure and the patient. One major reason for low or unstable pressure resistance in balloon catheters is defects in the balloon body itself. Under high pressure, these defects can cause cracks to form first, leading to rupture.
[0003] Currently, balloon catheter manufacturers generally use visual defect inspection methods for screening and inspection. This mainly involves manually examining the balloon body under a microscope with the naked eye for defects, while simultaneously rotating and moving the balloon with both hands to inspect all parts of the balloon, and simultaneously determining the type, size, length, and cumulative number of defects. This manual inspection method requires a high level of experience from workers, necessitating extensive training to be able to simultaneously judge various defects and sizes. Inexperienced workers can lead to a large number of false positives and false negatives. Even with well-trained workers, there is still a significant risk of uncertainty in the inspection process, especially in terms of accuracy when judging area and length. Furthermore, manual inspection is labor-intensive when dealing with large quantities of products, and the accuracy of inspection under a high-intensity microscope is also subject to unreliable risks.
[0004] Currently, although relevant equipment exists both domestically and internationally, their purpose is to replace manual inspection and achieve machine-based photographic inspection. However, none of these methods can comprehensively capture images clearly showing all types of balloon defects, failing to simultaneously solve the problem of detecting all types of defects on the balloon body, resulting in a large number of missed detections. Furthermore, while some previous solutions could obtain images of certain types of defects using cameras, they were limited by the shortcomings of traditional image recognition technologies, making it impossible to intelligently identify newly emerging defects of the same type during production. Utility Model Content
[0005] To address the shortcomings of existing technologies, this invention provides a device for detecting balloon appearance defects. It solves the problem of not being able to comprehensively capture images clearly showing all types of balloon defects, and thus cannot simultaneously detect all types of defects on the balloon body, resulting in a large number of missed detections. Furthermore, while some previous solutions could obtain images of some types of defects using cameras, they were limited by the limitations of traditional image recognition technologies, making it impossible to intelligently identify newly emerging defects of the same type during production.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a device for detecting defects in the appearance of a balloon, comprising a worktable and an electric gripper. A mounting frame is fixedly installed on the upper end of the worktable, and support seats are symmetrically fixedly installed on the upper end of the worktable. A second cylinder is fixedly installed on the side wall of each support seat. The output of each second cylinder passes through the interior of the support seat and enters between the two support seats. A connecting plate is fixedly installed on each of the second cylinders. A servo motor is fixedly installed on the side wall of each connecting plate, and the electric gripper is fixedly connected to the output shaft of the servo motor.
[0007] Preferably, support columns are symmetrically fixedly installed at both ends of the upper end of the worktable, a support plate is fixedly installed at the upper end of the support columns, a first cylinder is fixedly installed at the upper end of the support plate, a lifting plate is provided below the support plate, the output shaft of the first cylinder passes through the interior of the support plate to the lower part of the support plate and is fixedly connected to the upper end of the lifting plate, and a placement seat is fixedly installed at the lower end of the lifting plate, and multiple cameras are fixedly installed at equal intervals inside the placement seat and are located above the two support seats, so as to facilitate the photographic detection of the clamped balloon.
[0008] Preferably, an installation plate is fixedly installed on the upper end of the worktable, and multiple backlight plates are fixedly installed on the front side wall of the installation plate and are located at the rear end of the support base, so as to facilitate the lighting of the placed balloon and make the balloon clearer when taking pictures.
[0009] Preferably, an air pump is fixedly installed at the upper end of the workbench, and the air pump is located at the front end of the two support seats, so as to facilitate the inflation of the balloon.
[0010] Preferably, the camera is linearly connected to an external control device, and the control device is equipped with an image analysis system, which facilitates the analysis and comparison of images captured by the camera and enables comprehensive detection of the balloon.
[0011] This invention provides a device for detecting defects in the appearance of balloons. It has the following beneficial effects:
[0012] 1. This device for detecting defects in the appearance of a balloon, when used, can analyze the defects based on the images of the balloon acquired by the camera and the internal image acquisition system.
[0013] 2. This device for detecting defects in the appearance of balloons, through the cooperation between the electric grippers and the servo motor, can easily rotate the balloon, facilitating comprehensive inspection. Attached Figure Description
[0014] Figure 1This is a schematic diagram of the overall structure of this utility model;
[0015] Figure 2 This is a side view of the present invention;
[0016] Figure 3 This utility model Figure 2 Enlarged structural diagram of section A;
[0017] Figure 4 This is a schematic diagram of the image device system structure of this utility model.
[0018] In the diagram, 1-workbench, 2-mounting bracket, 3-support plate, 4-support column, 5-first cylinder, 6-lifting plate, 7-placement seat, 8-camera, 9-mounting plate, 10-backlight plate, 11-air pump, 12-support seat, 13-second cylinder, 14-electric gripper, 15-servo motor, 16-connecting plate, 17-third cylinder. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0020] Example 1
[0021] Please see Figure 1-4This utility model provides a device for detecting defects in the appearance of a balloon, including a worktable 1 and an electric gripper 14. A mounting frame 2 is fixedly installed on the upper end of the worktable 1, and support seats 12 are symmetrically fixedly installed on the upper end of the worktable 1. Second cylinders 13 are fixedly installed on the side walls of each support seat 12. The output of each second cylinder 13 passes through the interior of the support seat 12 and enters between the two support seats 12. A connecting plate 16 is fixedly installed on each of the two support seats 12, and a servo motor 15 is fixedly installed on the side wall of each connecting plate 16. The electric gripper 14 is fixedly connected to the output of each servo motor 15. On the output shaft, support columns 4 are symmetrically fixedly installed at both ends of the upper end of the worktable 1. A support plate 3 is fixedly installed at the upper end of the support column 4. A first cylinder 5 is fixedly installed at the upper end of the support plate 3. A lifting plate 6 is arranged below the support plate 3. The output shaft of the first cylinder 5 passes through the interior of the support plate 3 to the lower part of the support plate 3 and is fixedly connected to the upper end of the lifting plate 6. A placement seat 7 is fixedly installed at the lower end of the lifting plate 6. Multiple cameras 8 are evenly spaced inside the placement seat 7 and are arranged above the two support seats 12. A mounting plate is fixedly installed at the upper end of the worktable 1. Plate 9, with multiple backlight plates 10 fixedly mounted on its front side wall and located at the rear end of support base 12, is used. Camera 8 is linearly connected to an external control device, which contains an image analysis system. When detecting a balloon, the second cylinder 13 is first opened to move the electric grippers 14 at both ends toward each other. Then, the connecting tubes at both ends of the balloon are placed inside the electric grippers 14 to clamp it securely. After clamping, the backlight plates 10 are opened to illuminate the clamped balloon, and the position of camera 8 is adjusted according to the shooting position. The third cylinder 17 is opened, which moves the position of the lifting plate 6, allowing for easy adjustment of the position of the camera 8. This enables the camera 8 to take clearer pictures of the balloon below. During the picture detection, the balloon is first photographed when it is clamped. Then, the third cylinder 13 is closed, and the balloon is stretched. The camera 8 takes another picture of the balloon. While taking pictures, the servo motor 15 is turned on to rotate the electric gripper 14, which allows the clamped balloon to rotate easily and take comprehensive pictures of the balloon.
[0022] Example 2
[0023] In this embodiment, as Figure 1-2 As shown, an air pump 11 is fixedly installed on the upper end of the workbench 1. The air pump 11 is located at the front end of the two support seats 12. When performing the final step of testing the balloon, the third tube in the balloon is connected to the exhaust end of the air pump 11, and the air pump 11 is turned on to pump air out of the balloon, causing the balloon to inflate. Then, the camera 8 takes a picture of it, which allows for a clearer observation of whether there are any defects on the surface of the balloon.
[0024] It should be noted that, in this embodiment, when using the device for detecting defects in the appearance of the balloon, such as... Figure 1-4 As shown, when inspecting the balloon to be tested, firstly, the second cylinder 13 is opened, causing the electric grippers 14 at both ends to move towards each other. Then, the connecting tubes at both ends of the balloon are placed inside the electric grippers 14 to clamp and secure it. After clamping, the backlight panel 10 is turned on to illuminate the clamped balloon. At the same time, the position of the camera 8 is adjusted according to the shooting position. The third cylinder 17 is opened, causing the lifting plate 6 to move, which allows for convenient adjustment of the position of the camera 8, making it easier for the camera 8 to take clearer pictures of the balloon below. When taking pictures for inspection, first, the balloon that has just been clamped... The balloon is photographed, then the third cylinder 13 is closed to stretch the balloon, and the balloon is photographed again by the camera 8. While taking pictures, the servo motor 15 is turned on to rotate the electric gripper 14, which can easily rotate the gripped balloon and take comprehensive pictures of the balloon. When performing the final inspection of the balloon, the third tube in the balloon is connected to the exhaust end of the air pump 11, and the air pump 11 is turned on to evacuate the inside of the balloon, making the balloon inflate. The balloon is then photographed by the camera 8, which can more clearly observe whether there are any defects on the surface of the balloon.
[0025] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0026] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A device for detecting defects in the appearance of a balloon, characterized in that: The device includes a worktable (1) and an electric gripper (14). A mounting bracket (2) is fixedly installed on the upper end of the worktable (1). Support seats (12) are symmetrically fixedly installed on the upper end of the worktable (1). A second cylinder (13) is fixedly installed on the side wall of each support seat (12). The output of the second cylinder (13) enters between the two support seats (12) through the interior of the support seat (12). A connecting plate (16) is fixedly installed on each of the two support seats (12). A servo motor (15) is fixedly installed on the side wall of each connecting plate (16). The electric gripper (14) is fixedly connected to the output shaft of the servo motor (15).
2. The device for detecting balloon appearance defects according to claim 1, characterized in that: The workbench (1) has symmetrical support columns (4) fixedly installed at both ends of its upper end. The support column (4) has a support plate (3) fixedly installed at its upper end. The support plate (3) has a first cylinder (5) fixedly installed at its upper end. The support plate (3) has a lifting plate (6) below it. The output shaft of the first cylinder (5) passes through the interior of the support plate (3) to the lower part of the support plate (3) and is fixedly connected to the upper end of the lifting plate (6). The lower end of the lifting plate (6) has a placement seat (7) fixedly installed. Multiple cameras (8) are fixedly installed at equal intervals inside the placement seat (7) and are positioned above the two support seats (12).
3. The device for detecting balloon appearance defects according to claim 2, characterized in that: The upper end of the workbench (1) is fixedly installed with a mounting plate (9), and a plurality of backlight plates (10) are fixedly installed on the front side wall of the mounting plate (9) and are located at the rear end of the support base (12).
4. The device for detecting balloon appearance defects according to claim 1, characterized in that: An air pump (11) is fixedly installed on the upper end of the workbench (1), and the air pump (11) is located at the front end of the two support seats (12).
5. The device for detecting balloon appearance defects according to claim 2, characterized in that: The camera (8) is linearly connected to an external control device, and the control device is equipped with an image analysis system.