A scanning platform for ultrasonic inspection

Abstract

The utility model relates to ultrasonic testing equipment technical field, concretely relates to a scanning platform for ultrasonic flaw detection, including platform base frame, longitudinal movement device setting on the platform base frame, transverse movement device driven along Y axle by longitudinal movement device, probe clamping device driven along X axle by transverse movement device, still be provided with at least two groups of work piece support device on the platform base frame, work piece support device includes base, lifting drive part, mounting panel and at least a pair of V type roller group, a pair of V type roller group is symmetrically installed on mounting panel through a linear slide rail pair, the bottom of each V type roller group all is provided with a interval adjusting mechanism for driving it along linear slide rail pair sliding, the utility model can realize the high accuracy, high efficiency ultrasonic flaw detection of different size, shape work piece, and the automation level and reliability of industrial detection are improved significantly.

Description

Technical Field

[0001] This utility model relates to the field of ultrasonic testing equipment technology, specifically to a scanning platform for ultrasonic flaw detection. Background Technology

[0002] Ultrasonic testing is a non-destructive testing technique that utilizes the principle that ultrasonic waves are reflected when they encounter defects in materials to detect internal defects in workpieces. It is widely used in aerospace, machinery manufacturing, petrochemical and other fields. The ultrasonic testing scanning platform, as the core actuator of the ultrasonic testing system, is mainly used to support the workpiece to be tested and drive the ultrasonic probe to move along a preset path, achieving high-precision scanning of the workpiece's surface and internal defects.

[0003] Traditional ultrasonic flaw detection scanning platforms typically employ only a single workpiece support device, relying on a simple, fixed structure to support the workpiece. However, with the diversification of industrial inspection needs, the differences in the size (e.g., length, width), shape (e.g., curved surfaces, irregularly shaped parts), and thickness of the workpieces to be inspected have significantly increased. A single support device is insufficient to meet the stable support requirements of different workpieces: on the one hand, the workpiece is prone to local deformation due to its own weight, affecting inspection accuracy; on the other hand, it cannot adapt to workpieces of different sizes through multi-dimensional adjustments (e.g., height, horizontal spacing), resulting in low inspection efficiency and poor versatility. Furthermore, traditional platforms have limited precision in controlling the probe's movement path, making it difficult to adapt to the scanning requirements of complex surfaces. Therefore, there is an urgent need to design a more flexible and adaptable ultrasonic flaw detection scanning platform. Utility Model Content

[0004] The purpose of this invention is to provide a scanning platform for ultrasonic flaw detection, which solves the problems of poor adaptability and low detection efficiency of traditional scanning platforms for supporting workpieces of different sizes and shapes through a multi-dimensional adjustable workpiece support device and a high-precision moving mechanism.

[0005] The technical solution provided by this utility model is a scanning platform for ultrasonic flaw detection, including a platform base frame, a longitudinal moving device disposed on the platform base frame, a transverse moving device driven by the longitudinal moving device to move along the Y-axis, and a probe clamping device driven by the transverse moving device to move along the X-axis. At least two sets of workpiece support devices are also disposed on the platform base frame.

[0006] The workpiece support device includes a base, a lifting drive component, a mounting plate, and at least one pair of V-shaped roller sets;

[0007] The base is fixedly installed on the platform frame;

[0008] The lifting drive component is fixedly installed on the base, and its output end is connected to the mounting plate to drive the mounting plate to move up and down along the Z-axis.

[0009] A pair of V-shaped roller sets are symmetrically mounted on the mounting plate via a linear slide rail pair, the sliding direction of the linear slide rail pair being parallel to the moving direction (X-axis) of the lateral moving device; each V-shaped roller set has a spacing adjustment mechanism at its bottom for driving it to slide along the linear slide rail pair.

[0010] As a preferred embodiment of this utility model, the spacing adjustment mechanism is a screw and nut mechanism disposed on one side of the linear slide rail pair, including a handwheel, a screw, and a nut seat. The screw is rotatably connected to the mounting plate through a bearing seat, and its axis is parallel to the sliding direction of the linear slide rail pair. The handwheel is fixedly installed at one end of the screw, and the nut seat is screwed into the screw and fixedly connected to the bottom side of the V-shaped roller group. The threads at both ends of the screw rotate in opposite directions to drive the pair of V-shaped roller groups to move towards or away from each other.

[0011] As a preferred technical solution of this utility model, the lifting drive component is a ball screw jack driven by a servo motor, an electric push rod, or a cylinder.

[0012] As a preferred embodiment of this utility model, the V-shaped roller group includes a V-shaped support and two rollers rotatably mounted on the support via bearings, with the axes of the two rollers being parallel to the moving direction (X-axis) of the transverse moving device.

[0013] As a preferred embodiment of this invention, the surface of the roller is covered with a flexible bushing made of polyurethane or rubber.

[0014] As a preferred embodiment of this utility model, the number of workpiece support devices is at least three sets, and the workpiece support devices are evenly arranged on the platform base.

[0015] As a preferred technical solution of this utility model, the platform base frame is provided with a guide mounting groove parallel to the moving direction of the longitudinal moving device, and the base of the workpiece support device is provided with a corresponding downward extending guide mounting plate at the guide mounting groove, so as to facilitate the positioning and installation of the workpiece support device through the guide mounting groove, and the base of the workpiece support device is movably mounted on the guide mounting groove through a locking mechanism.

[0016] The advantages of this utility model compared with the prior art are as follows:

[0017] 1. Multi-dimensional adaptability: With at least three sets of evenly distributed workpiece support devices, combined with the lifting drive (Z-axis adjustment), V-type roller group spacing adjustment (X-axis adjustment), and longitudinal positioning of the guide mounting groove in each set, it can adapt to the stable support of workpieces of different sizes and shapes, significantly improving the versatility of the platform.

[0018] 2. High-precision scanning: The rollers of the V-shaped roller set are parallel to the probe's moving direction (X-axis), which can reduce the frictional resistance between the workpiece and the rollers; the flexible bushing wraps around the roller surface, which can not only prevent scratches on the workpiece surface, but also reduce vibration interference when the probe moves, thus improving detection accuracy.

[0019] 3. Ease of operation: The spacing adjustment mechanism adopts a screw and nut drive, which can achieve stepless adjustment through the handwheel. The design of opposite screw directions at both ends ensures synchronous movement of the two roller groups, resulting in high adjustment efficiency. The cooperation between the guide mounting groove and the locking mechanism simplifies the installation and positioning process of the workpiece support device.

[0020] 4. Flexible scalability: The diverse selection of lifting drive components (ball screw jack, electric push rod or cylinder) can be flexibly configured according to the needs of the testing scenario (such as testing accuracy and response speed) to meet the testing requirements of different industrial environments. Attached Figure Description

[0021] Figure 1 This utility model relates to the structure of a scanning platform for ultrasonic flaw detection. Figure 1 .

[0022] Figure 2 This utility model relates to the structure of a scanning platform for ultrasonic flaw detection. Figure 2 .

[0023] Figure 3 This is a structural diagram of a workpiece support device for an ultrasonic flaw detection scanning platform according to this utility model.

[0024] Figure 4 This is a structural diagram of the V-shaped roller assembly of an ultrasonic flaw detection scanning platform according to the present invention.

[0025] As shown in the figure:

[0026] 1. Platform base frame; 2. Longitudinal moving device; 3. Lateral moving device; 4. Probe clamping device; 5. Workpiece support device; 6. Base; 7. Lifting drive component; 8. Mounting plate; 9. V-type roller group; 10. Linear slide rail pair; 11. Spacing adjustment mechanism; 12. Handwheel; 13. Lead screw; 14. Nut seat; 15. Bracket; 16. Roller; 17. Guide mounting groove; 18. Guide mounting plate. Detailed Implementation

[0027] 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.

[0028] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0029] Example 1:

[0030] As per the instruction manual Figure 1-3 As shown, an ultrasonic flaw detection scanning platform includes a platform base 1, a longitudinal moving device 2 mounted on the platform base 1, a transverse moving device 3 driven by the longitudinal moving device 2 to move along the Y-axis, and a probe clamping device 4 driven by the transverse moving device 3 to move along the X-axis. The longitudinal moving device 2 is embedded in the platform base 1 and drives the transverse moving device 3 to move closer to or further away from the workpiece support device 5 along the Y-axis. The transverse moving device 3 drives the probe clamping device 4 to move along the X-axis to scan different positions of the workpiece. The probe clamping device 4 is an L-shaped fixed bracket 15 or a Z-axis lifting moving device, and the ultrasonic probe is clamped and fixed by a bolt assembly. It should be noted that both the longitudinal moving device 2 and the transverse moving device 3 are electric lead screw 13 nut mechanisms, and the longitudinal moving device 2 is symmetrically arranged on both sides of the platform base 1. One side of the lead screw 13 is connected to a drive motor, and the other side is connected to the lead screw 13 on the opposite side via a synchronous belt.

[0031] In this utility model, three sets of workpiece support devices 5 are also provided on the platform base frame 1, and the three sets of workpiece support devices 5 are evenly arranged in the detection area on the platform base frame 1.

[0032] In this utility model, the platform base frame 1 is provided with a guide mounting groove 17 parallel to the moving direction of the longitudinal moving device 2. The base 6 of the workpiece support device 5 is provided with a corresponding downward extending guide mounting plate 188 at the guide mounting groove 17, which facilitates the positioning and installation of the workpiece support device 5 through the guide mounting groove 17. The base 6 of the workpiece support device 5 is movably mounted on the guide mounting groove 17 through a locking mechanism, which is a bolt assembly fixedly connected to the platform base frame 1.

[0033] As per the instruction manual Figure 3-4 As shown, the workpiece support device 5 includes a base 6, a lifting drive component 7, a mounting plate 8, and at least one pair of V-shaped rollers 16 sets 9;

[0034] In this utility model, the base 6 is fixedly installed on the platform base frame 1.

[0035] In this utility model, the lifting drive component 7 is a cylinder. The lifting drive component 7 is fixedly installed on the base 6, and its output end is connected to the mounting plate 8 to drive the mounting plate 8 to move up and down along the Z-axis.

[0036] In this utility model, the V-shaped roller group 9 includes a V-shaped support 15 and two rollers 16 rotatably mounted on the support 15 via bearings. The axes of the two rollers 16 are parallel to the moving direction (X-axis) of the transverse moving device 3, and the surface of the rollers 16 is covered with a flexible bushing made of polyurethane material.

[0037] In this utility model, a pair of V-shaped rollers 16 groups 9 are symmetrically mounted on the mounting plate 8 via a linear slide rail pair 10. The sliding direction of the linear slide rail pair 10 is parallel to the moving direction (X-axis) of the transverse moving device 3. Each V-shaped roller 16 group 9 has a spacing adjustment mechanism 11 at its bottom for driving it to slide along the linear slide rail pair 10.

[0038] In this utility model, the spacing adjustment mechanism 11 is a lead screw 13 and nut mechanism set on one side of the linear slide rail pair 10. It includes a handwheel 12, a lead screw 13 and a nut seat 14. The lead screw 13 is rotatably connected to the mounting plate 8 through a bearing seat, and its axis is parallel to the sliding direction of the linear slide rail pair 10. The handwheel 12 is fixedly installed at one end of the lead screw 13. The nut seat 14 is screwed into the lead screw 13 and fixedly connected to the bottom side of the V-shaped roller group 9. The threads at both ends of the lead screw 13 are turned in opposite directions to drive a pair of V-shaped roller groups 16 to move towards or away from each other.

[0039] In addition, the longitudinal moving device 2, the probe clamping device 4, and the lifting drive 7 are all electrically connected to an external controller to automatically control the movement and lifting of multiple components.

[0040] Working principle

[0041] 1. Workpiece clamping: Place the workpiece to be inspected on the V-shaped rollers 16 groups 9 of the three sets of workpiece support devices 5, and turn the handwheel 12 to adjust the spacing of the V-shaped rollers 16 groups 9 so that the bottom surface of the workpiece contacts the rollers 16; start the lifting drive 7, and drive the V-shaped rollers 16 groups 9 to rise and fall through the mounting plate 8 until the top surface of the workpiece reaches the preset height (keeping a distance of 5-10mm from the probe).

[0042] 2. Platform positioning: Push the workpiece support device 5 along the guide mounting groove 17 so that the area of ​​the workpiece to be inspected is aligned with the initial position of the probe. The positioning of the workpiece support device 5 is completed by locking the fastening mechanism with bolt assembly.

[0043] 3. Scanning and inspection: The longitudinal moving device 2 drives the transverse moving device 3 to move along the Y-axis, moving the probe to the starting point of the workpiece inspection; the transverse moving device 3 drives the probe to move at a constant speed along the X-axis, while the lifting drive component 7 finely adjusts the workpiece height (to compensate for workpiece thickness deviation), so as to achieve full coverage scanning of the workpiece surface and internal defects.

[0044] 4. Data Acquisition: The ultrasonic signal reflected by the probe is received through the connected ultrasonic testing system, and a workpiece defect detection report is generated after processing.

[0045] The present invention and its embodiments have been described above. This description is not restrictive, and the specific embodiments shown are only one of the embodiments of the present invention. The actual structure is not limited to this. In short, if a person skilled in the art is inspired by this description and designs a similar structure and embodiment without departing from the inventive spirit of the present invention, such design should fall within the protection scope of the present invention.

Claims

1. An ultrasonic flaw detection scanning platform, comprising a platform base (1), a longitudinal moving device (2) disposed on the platform base (1), a transverse moving device (3) driven by the longitudinal moving device (2) to move along the Y-axis, and a probe clamping device (4) driven by the transverse moving device (3) to move along the X-axis, characterized in that: At least two sets of workpiece support devices (5) are also provided on the platform base frame (1); The workpiece support device (5) includes a base (6), a lifting drive (7), a mounting plate (8), and at least one pair of V-shaped rollers (16) (9). The base (6) is fixedly installed on the platform frame (1); The lifting drive component (7) is fixedly installed on the base (6), and its output end is connected to the mounting plate (8) to drive the mounting plate (8) to move up and down along the Z-axis; A pair of V-shaped rollers (16) (9) are symmetrically mounted on the mounting plate (8) via a linear slide rail pair (10). The sliding direction of the linear slide rail pair (10) is parallel to the X-axis moving direction of the transverse moving device (3). Each V-shaped roller (16) (9) is provided with a spacing adjustment mechanism (11) at its bottom for driving it to slide along the linear slide rail pair (10).

2. The ultrasonic flaw detection scanning platform according to claim 1, characterized in that: The spacing adjustment mechanism (11) is a screw (13) nut mechanism set on one side of the linear slide rail pair (10), including a handwheel (12), a screw (13) and a nut seat (14). The screw (13) is rotatably connected to the mounting plate (8) through a bearing seat, and its axis is parallel to the sliding direction of the linear slide rail pair (10). The handwheel (12) is fixedly installed at one end of the screw (13). The nut seat (14) is screwed into the screw (13) and fixedly connected to the bottom side of the V-type roller (16) group (9). The threads at both ends of the screw (13) are opposite in direction to drive a pair of V-type roller (16) groups (9) to move towards or away from each other.

3. The ultrasonic flaw detection scanning platform according to claim 1, characterized in that: The lifting drive component (7) is a ball screw (13) lift driven by a servo motor, an electric push rod, or a cylinder.

4. The ultrasonic flaw detection scanning platform according to claim 1, characterized in that: The V-shaped roller (16) group (9) includes a V-shaped support (15) and two rollers (16) rotatably mounted on the support (15) via bearings. The axes of the two rollers (16) are parallel to the X-axis movement direction of the transverse moving device (3).

5. The ultrasonic flaw detection scanning platform according to claim 4, characterized in that: The surface of the roller (16) is covered with a flexible bushing made of polyurethane or rubber.

6. The ultrasonic flaw detection scanning platform according to claim 1, characterized in that: The number of workpiece support devices (5) is at least three sets, and the workpiece support devices (5) are evenly arranged on the platform base frame (1).

7. The ultrasonic flaw detection scanning platform according to claim 1, characterized in that: The platform base frame (1) is provided with a guide mounting groove (17) parallel to the moving direction of the longitudinal moving device (2). The base (6) of the workpiece support device (5) is provided with a corresponding downward extending guide mounting plate (18) (8) at the guide mounting groove (17), which facilitates the positioning and installation of the workpiece support device (5) through the guide mounting groove (17). The base (6) of the workpiece support device (5) is movably mounted on the guide mounting groove (17) through a locking mechanism.

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