Intelligent detection system for welding quality of rack module

Abstract

The utility model provides a frame module welding quality intelligent detection system, comprising a detection assembly, the detection assembly comprises a pedestal, a detection frame, a chute, a first slide block, a first screw rod, a first screw hole, a connection frame and a lower acquisition lens. According to the utility model, a plurality of side acquisition lenses and lower acquisition lenses are arranged, so that image acquisition can be carried out on the welding part of the rack module from different angles, sufficient and uniform light rays are provided by matching with a light supplementing lamp, the details of the welding part can be clearly presented, a controller can accurately analyze the welding quality, and small defects such as insufficient welding, air holes and incomplete penetration can be effectively detected; comprehensive and accurate detection is ensured; a controller is used as a control core, and according to a preset program or a touch screen input instruction, actions of a first driving motor, a second driving motor, an electric cylinder and a servo motor are accurately coordinated, so that a six-edge detection head automatically and accurately moves to each detection position of a rack module, an automatic detection process is realized, the detection efficiency is greatly improved, and the manual operation burden is reduced.

Description

Technical Field

[0001] This utility model relates to the field of welding quality inspection technology, and in particular to an intelligent inspection system for the welding quality of frame modules. Background Technology

[0002] In the manufacturing process of rack modules, welding is a crucial step, as its quality directly impacts the product's stability and durability. As the fundamental load-bearing structure of various mechanical equipment, the rack module must withstand forces from different directions, vibrations, and various complex operating conditions during actual operation. If welding defects exist, such as incomplete welds, porosity, or lack of penetration, stress concentration can easily occur in these weak points during long-term operation. Over time and with continued operation, cracks will gradually propagate at these stress concentration points, leading to a decrease in the structural strength of the rack module and severely affecting its stability. Insufficient stability not only causes abnormal shaking and displacement during operation, reducing operational accuracy, but can also lead to more serious safety accidents.

[0003] Traditional inspection methods rely heavily on manual visual inspection, which is not only inefficient but also susceptible to subjective interference, making it difficult to detect minute welding defects. Some simple mechanical auxiliary inspection equipment also cannot achieve comprehensive and accurate inspection when faced with frame modules with complex shapes and structures. Therefore, an intelligent inspection system for the welding quality of frame modules is proposed. Utility Model Content

[0004] In view of this, the present invention aims to provide an intelligent inspection system for the welding quality of frame modules, so as to solve or alleviate the technical problems existing in the prior art, or at least provide a beneficial option.

[0005] The technical solution of this utility model embodiment is implemented as follows: A smart inspection system for welding quality of frame modules includes an inspection component, which includes a base, an inspection frame, a slide groove, a first slider, a first screw, a first screw hole, a connecting frame, a second slider, a second screw, a second screw hole, a mounting plate, an electric cylinder, a hexagonal inspection head, a side acquisition lens, and a bottom acquisition lens.

[0006] A detection frame is fixedly connected to the front of the upper surface of the base. A groove is formed in the middle of the upper surface of the detection frame. A first slider is slidably connected to the inner wall of the groove. A first screw is passed through the center of the upper part of the rear surface of the detection frame. A first screw hole is formed in the center of the front surface of the first slider. The outer wall of the first screw is threaded to the inner wall of the first screw hole. A connecting frame is welded to the bottom of the first slider. A second slider is slidably connected to the inner wall of the connecting frame. A second screw is passed through the center of one side of the connecting frame. A second screw hole is formed in the center of one side of the second slider. The outer wall of the second screw is threaded to the inner wall of the second screw hole. A mounting plate is fixedly connected to the bottom of the second slider. An electric cylinder is fixedly connected to the bottom of the mounting plate. A hexagonal detection head is fixedly connected to the output end of the electric cylinder. Multiple side acquisition lenses are arranged around the middle of the outer wall of the hexagonal detection head. A lower acquisition lens is arranged at the center of the bottom of the hexagonal detection head.

[0007] More preferably, a placement platform is slidably connected to the inner sidewall of the base, a motor bracket is fixedly connected to the center of the front part of the lower surface of the base, a servo motor is fixedly connected to the inner sidewall of the motor bracket, a threaded rod is fixedly connected to the output end of the servo motor, a connecting block is welded to the center of the front part of the lower surface of the placement platform, a threaded hole is opened on the lower part of the front surface of the connecting block, the outer sidewall of the threaded rod is threadedly connected to the inner sidewall of the threaded hole, a limiting groove is opened in the middle of the upper surface of the placement platform, and a limiting frame is slidably connected to the inner sidewall of the limiting groove.

[0008] More preferably, a first drive motor is fixedly connected to the outer side of the upper center of the rear surface of the detection frame, the rear surface of the first screw is fixedly connected to the output end of the first drive motor, a second drive motor is fixedly connected to the outer side of the center of one side of the connecting frame, one end of the second screw is fixedly connected to the output end of the second drive motor, a controller is fixedly connected to the middle of the front surface of the detection frame, the input ends of the first drive motor, the second drive motor, the electric cylinder and the servo motor are all electrically connected to the output end of the controller, and the output ends of the side acquisition lens and the lower acquisition lens are all electrically connected to the input end of the controller.

[0009] More preferably, the outer side wall of the hexagonal detection head is provided with side supplement lights at the upper and lower parts near the side acquisition lens, and multiple lower supplement lights are provided on the outer side of the lower surface of the hexagonal detection head. The input terminals of the side supplement lights and the lower supplement lights are electrically connected to the output terminal of the controller.

[0010] More preferably, a first limiting groove is provided at the middle of both sides of the inner sidewall of the slide groove, a first limiting strip is fixedly connected to the middle of both sides of the first slider, the outer sidewall of the first limiting strip is slidably connected to the inner sidewall of the first limiting groove, a second limiting groove is provided at the middle of both the front and rear surfaces of the connecting frame, a second limiting strip is fixedly connected to the middle of both the front and rear surfaces of the second slider, and the outer sidewall of the second limiting strip is slidably connected to the inner sidewall of the second limiting groove.

[0011] More preferably, a third limiting groove is provided in the middle of both sides of the inner sidewall of the base, and a third limiting strip is fixedly connected to the middle of both sides of the placement platform. The outer sidewall of the third limiting strip is slidably connected to the inner sidewall of the third limiting groove. A U-shaped frame is fixedly connected to the middle of the lower surface of the base. A limiting hole is provided at the center of the front surface of the U-shaped frame, and the rear part of the outer sidewall of the threaded rod is rotatably connected to the inner sidewall of the limiting hole.

[0012] More preferably, a touch screen is provided in the center of the front surface of the controller.

[0013] More preferably, the base has support legs fixedly connected to each of the four corners of its lower surface.

[0014] The present invention has the following advantages due to the adoption of the above technical solution:

[0015] 1. This utility model, by equipping multiple side acquisition lenses and bottom acquisition lenses, can acquire images of the welding joint of the frame module from different angles. With the help of the supplementary light to provide sufficient and uniform light, it can clearly present the details of the welding part, allowing the controller to accurately analyze the welding quality and effectively detect minor defects such as cold welds, porosity, and incomplete penetration, ensuring comprehensive and accurate detection.

[0016] 2. This utility model uses a controller as the control core. Based on a preset program or input instructions via a touch screen, it precisely coordinates the actions of the first drive motor, the second drive motor, the electric cylinder, and the servo motor, so that the hexagonal detection head can automatically and accurately move to each detection position of the frame module, thereby realizing an automated detection process, greatly improving detection efficiency, and reducing the burden of manual operation.

[0017] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a structural view of the present invention.

[0020] Figure 2 This is another structural view of the present invention;

[0021] Figure 3 This is a structural diagram of the connecting frame and the second slider of this utility model;

[0022] Figure 4 This is a structural diagram of the electric cylinder and hexagonal detection head of this utility model.

[0023] Reference numerals: 1. Detection component; 11. Base; 12. Detection frame; 13. Slide groove; 14. First slider; 15. First screw; 16. First screw hole; 17. Connecting frame; 18. Second slider; 19. Second screw; 20. Second screw hole; 21. Mounting plate; 22. Electric cylinder; 23. Hexagonal detection head; 24. Side acquisition lens; 25. Lower acquisition lens; 26. Placement stage; 27. Motor bracket; 28. Servo motor; 29. ​​Thread 30. Rod; 31. Connecting block; 32. Threaded hole; 33. Limiting groove; 34. Limiting frame; 35. First drive motor; 36. Second drive motor; 37. Controller; 38. Side supplement light; 39. Lower supplement light; 40. First limiting groove; 41. First limiting strip; 42. Second limiting groove; 43. Second limiting strip; 44. Third limiting groove; 45. U-shaped frame; 46. Limiting hole; 47. Touch screen; 48. Support leg. Detailed Implementation

[0024] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this invention. Therefore, the drawings and description are considered exemplary in nature and not restrictive.

[0025] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0026] like Figures 1-4As shown, this utility model embodiment provides an intelligent inspection system for the welding quality of a frame module, including an inspection component 1. The inspection component 1 includes a base 11, an inspection frame 12, a slide groove 13, a first slider 14, a first screw 15, a first screw hole 16, a connecting frame 17, a second slider 18, a second screw 19, a second screw hole 20, a mounting plate 21, an electric cylinder 22, a hexagonal inspection head 23, a side acquisition lens 24, and a lower acquisition lens 25.

[0027] A detection frame 12 is fixedly connected to the front of the upper surface of the base 11. A groove 13 is formed in the middle of the upper surface of the detection frame 12. A first slider 14 is slidably connected to the inner wall of the groove 13. A first screw 15 passes through the center of the upper part of the rear surface of the detection frame 12. A first screw hole 16 is formed in the center of the front surface of the first slider 14. The outer wall of the first screw 15 is threaded to the inner wall of the first screw hole 16. A connecting frame 17 is welded to the bottom of the first slider 14. A second slider 18 is slidably connected to the inner wall of the connecting frame 17. A second screw 19 passes through the center of one side of the connecting frame 17. A second screw hole 20 is provided at the center of one side of the second slider 18. The outer side wall of the second screw 19 is threaded to the inner side wall of the second screw hole 20. A mounting plate 21 is fixedly connected to the bottom of the second slider 18. An electric cylinder 22 is fixedly connected to the bottom of the mounting plate 21. A hexagonal detection head 23 is fixedly connected to the output end of the electric cylinder 22. Multiple side acquisition lenses 24 are arranged around the outer wall of the hexagonal detection head 23. A lower acquisition lens 25 is arranged at the center of the bottom of the hexagonal detection head 23. The multiple side acquisition lenses 24 and the lower acquisition lens 25 facilitate image acquisition at the welding point of the frame module.

[0028] In one embodiment, specifically: a placement platform 26 is slidably connected to the inner sidewall of the base 11; a motor bracket 27 is fixedly connected to the center of the front part of the lower surface of the base 11; a servo motor 28 is fixedly connected to the inner sidewall of the motor bracket 27; a threaded rod 29 is fixedly connected to the output end of the servo motor 28; a connecting block 30 is welded to the center of the front part of the lower surface of the placement platform 26; a threaded hole 31 is opened on the lower part of the front surface of the connecting block 30; the outer sidewall of the threaded rod 29 is threadedly connected to the inner sidewall of the threaded hole 31; a limiting groove 32 is opened in the middle of the upper surface of the placement platform 26; a limiting frame 33 is slidably connected to the inner sidewall of the limiting groove 32; the threaded rod 29 is driven to rotate by the servo motor 28, thereby driving the connecting block 30 to move, and thus driving the placement platform 26 to move; by replacing the limiting frame 33 of the limiting groove 32, it is convenient to limit the movement of different models of rack modules.

[0029] In one embodiment, specifically: a first drive motor 34 is fixedly connected to the outer side of the upper center of the rear surface of the detection frame 12; the rear surface of the first screw 15 is fixedly connected to the output end of the first drive motor 34; a second drive motor 35 is fixedly connected to the outer side of the center of one side of the connecting frame 17; one end of the second screw 19 is fixedly connected to the output end of the second drive motor 35; a controller 36 is fixedly connected to the middle of the front surface of the detection frame 12; the input ends of the first drive motor 34, the second drive motor 35, the electric cylinder 22, and the servo motor 28 are all electrically connected to the output end of the controller 36; the output ends of the side acquisition lens 24 and the lower acquisition lens 25 are all electrically connected to the input end of the controller 36. The first drive motor 34 drives the first screw 15 to rotate, thereby moving the first slider 14. The second screw 19 is driven to rotate by the second drive motor 35, thereby moving the second slider 18. The controller 36 is fixed in the middle of the front surface of the detection frame 12. It is the control core of the entire detection system. The input terminals of the first drive motor 34, the second drive motor 35, the electric cylinder 22 and the servo motor 28 are all electrically connected to the output terminal of the controller 36. The controller 36 can send control signals to these execution components according to the preset program or the instructions input by the operator through the touch screen 47, coordinate their actions, and ensure that the hexagonal detection head 23 can accurately move to the welding part of the frame module that needs to be detected, so as to realize the automated detection process. For example, by precisely controlling the rotation angle of each motor and the extension length of the electric cylinder 22, the detection head can quickly and accurately reach the target position.

[0030] In one embodiment, specifically: side supplementary lights 37 are provided on the outer side wall of the hexagonal detection head 23 near the upper and lower parts of the side acquisition lens 24, and multiple lower supplementary lights 38 are provided on the outer side of the lower surface of the hexagonal detection head 23. The input terminals of the side supplementary lights 37 and the lower supplementary lights 38 are electrically connected to the output terminal of the controller 36. The controller 36 can intelligently adjust the brightness of the supplementary lights according to the detection scenario and actual needs. For example, the controller 36 has a built-in light sensor data interface, which can receive the light intensity data of the detection environment. When the ambient light intensity is lower than a preset threshold, the controller 36 automatically adjusts the output power of the side supplementary light 37 and the lower supplementary light 38 according to the difference, realizing intelligent brightness adjustment. In bright environments, the brightness of the supplementary lights is appropriately reduced; while in dark environments, the brightness of the supplementary lights is increased to achieve the best image acquisition effect. The controller 36 can synchronously control the opening and closing of the supplementary lights with the image acquisition operation of the side acquisition lens 24 and the lower acquisition lens 25, turning on the supplementary lights in time when acquiring images and turning them off after acquisition, avoiding unnecessary energy waste, and ensuring the stability and consistency of light during image acquisition.

[0031] In one embodiment, specifically: a first limiting groove 39 is provided at the middle of both sides of the inner sidewall of the slide groove 13; a first limiting strip 40 is fixedly connected to the middle of both sides of the first slider 14; the outer sidewall of the first limiting strip 40 is slidably connected to the inner sidewall of the first limiting groove 39; a second limiting groove 41 is provided at the middle of the front and rear surfaces of the connecting frame 17; a second limiting strip 42 is fixedly connected to the middle of the front and rear surfaces of the second slider 18; the outer sidewall of the second limiting strip 42 is slidably connected to the inner sidewall of the second limiting groove 41; by the first limiting strip 40 on the first slider 14 sliding inside the first limiting groove 39, the first slider 14 is limited, thereby increasing the stability of the movement of the first slider 14; by the second limiting strip 42 on the second slider 18 sliding inside the second limiting groove 41, the second limiting strip 42 is limited, thereby increasing the stability of the movement of the second slider 18.

[0032] In one embodiment, specifically: a third limiting groove 43 is provided in the middle of both sides of the inner sidewall of the base 11; a third limiting strip 44 is fixedly connected to the middle of both sides of the placement platform 26; the outer sidewall of the third limiting strip 44 is slidably connected to the inner sidewall of the third limiting groove 43; a U-shaped frame 45 is fixedly connected to the middle of the lower surface of the base 11; a limiting hole 46 is provided at the center of the front surface of the U-shaped frame 45; the rear part of the outer sidewall of the threaded rod 29 is rotatably connected to the inner sidewall of the limiting hole 46; by the rear part of the outer sidewall of the threaded rod 29 rotating inside the limiting hole 46, the threaded rod 29 is limited, thereby increasing the stability of the rotation of the threaded rod 29.

[0033] In one embodiment, specifically: a touch screen 47 is provided in the center of the front surface of the controller 36. Operators can directly input various commands and parameters by touching the touch screen 47. Compared to traditional button operation, this is more intuitive and convenient. For example, when setting the operating parameters of the detection system, such as the rotation speed of the first drive motor 34 and the second drive motor 35, the extension and retraction length of the electric cylinder 22, and the shooting parameters of the side acquisition lens 24 and the lower acquisition lens 25, the settings can be completed simply by clicking or sliding on the touch screen 47, greatly improving operational efficiency. In different detection tasks, the detection system may need to adjust various parameters to adapt to different rack modules and detection requirements. Through the touch screen 47, operators can easily input various commands and parameters. Operators can easily access the parameter setting interface to set and modify various system parameters in detail. For example, they can adjust the movement path and detection position of the hexagonal detection head 23 according to the size of the frame module and welding process requirements, or set the brightness of the side supplementary light 37 and the bottom supplementary light 38. The touch screen 47 can display the operating status and detection results of the detection system in real time. Operators can intuitively understand the current working status of the detection system, such as the position of the hexagonal detection head 23, the working status of the electric cylinder 22, and whether the acquisition lens is working properly. At the same time, after the detection is completed, the touch screen 47 will promptly display the detection results, such as whether the welding quality is qualified and what defects exist, so that operators can make timely judgments and handle the situation.

[0034] In one embodiment, specifically: support legs 48 are fixedly connected to the four corners of the lower surface of the base 11, thereby increasing the stability of the base 11 by supporting the base 11 through the support legs 48.

[0035] In operation, this utility model involves placing the frame module to be tested into the limiting frame 33 within the limiting groove 32 on the placement platform 26. The limiting groove 32 and the limiting frame 33 provide positioning and limiting for the frame module, ensuring its relative stability during testing. Power is then supplied to the entire testing system, enabling the controller 36, first drive motor 34, second drive motor 35, electric cylinder 22, servo motor 28, side acquisition lens 24, lower acquisition lens 25, side supplementary light 37, and lower supplementary light 38 to be operational. The operator can access these devices via the touch screen on the front surface of the controller 36. The control screen 47 is used for parameter setting and operation command input. The controller 36 sends a control signal to the servo motor 28, which starts and drives the threaded rod 29 to rotate. Since the threaded rod 29 is threadedly connected to the threaded hole 31 on the connecting block 30, and the third limiting strips 44 on both sides of the placement platform 26 slide in the third limiting groove 43 on the inner side wall of the base 11, the placement platform 26 will move back and forth along the inner side wall of the base 11, thereby moving the frame module to be tested into the testing frame 12. The controller 36 sends a control signal to the first drive motor 34, which drives the second drive motor 28 to rotate. When the first screw 15 rotates, it is threadedly connected to the first screw hole 16 on the first slider 14. Simultaneously, the first limiting strips 40 on both sides of the first slider 14 slide within the first limiting groove 39 on the inner wall of the slide groove 13, causing the first slider 14 to move left and right within the slide groove 13. This, in turn, drives the connecting frame 17, the second slider 18, the mounting plate 21, the electric cylinder 22, and the hexagonal detection head 23 to move left and right, adjusting the horizontal position of the hexagonal detection head 23. The controller 36 sends a control signal to the second drive motor 35, which drives the second screw 19 to rotate. Rod 19 is threadedly connected to the second screw hole 20 on the second slider 18, and the second limiting strip 42 on the front and rear surfaces of the second slider 18 slides in the second limiting groove 41 on the front and rear surfaces of the connecting frame 17, so that the second slider 18 moves back and forth in the connecting frame 17, thereby adjusting the left and right position of the hexagonal detection head 23 in the horizontal direction; the controller 36 sends a control signal to the electric cylinder 22, and the output end of the electric cylinder 22 extends or retracts, driving the hexagonal detection head 23 to move up and down, adjusting the vertical distance between the hexagonal detection head 23 and the frame module to be tested, so that the hexagonal detection head 23 reaches a suitable detection height;Once the hexagonal inspection head 23 reaches the appropriate inspection position, the controller 36 sends control signals to the side supplementary light 37 and the lower supplementary light 38. The side supplementary light 37 and the lower supplementary light 38 then turn on, providing sufficient light to the inspection area to ensure clear and accurate images. The side acquisition lens 24 acquires images of the welded areas on the sides of the frame module surrounding the hexagonal inspection head 23, while the lower acquisition lens 25 acquires images of the welded areas at the bottom of the frame module. The acquired image signals are transmitted to the controller 36. After receiving the image signals from the side acquisition lens 24 and the lower acquisition lens 25, the controller 36 uses a preset image recognition algorithm to analyze and process the characteristics of the welded areas, such as weld width, color, and the presence of porosity, and compares them with the standard. The welding quality parameters are compared to determine whether the welding quality of the frame module is qualified. The operator can view the test results and related image information through the touch screen 47. After the test is completed, the controller 36 controls the electric cylinder 22, the first drive motor 34, the second drive motor 35 and the servo motor 28 to move in reverse, so that the hexagonal test head 23 and the placement table 26 return to the initial position and wait for the next test task. At the same time, the controller 36 sends a control signal to the servo motor 28, the servo motor 28 starts and drives the threaded rod 29 to rotate in reverse. The placement table 26 will move backward along the inner side wall of the base 11, thereby removing the frame module to be tested from the inside of the test frame 12, so that the operator can remove the tested frame module from the placement table 26.

[0036] Regularly clean the surfaces of the side acquisition lens 24, the lower acquisition lens 25, the side supplementary light 37, and the lower supplementary light 38 to prevent dust and stains from affecting the detection results. Additionally, calibrate the detection system using standard welded samples at regular intervals (e.g., every three months) to ensure the accuracy of the detection results.

[0037] If a fault occurs in the first drive motor 34, the second drive motor 35, or other equipment during the detection process, the controller 36 will issue an alarm and display the fault type on the touch screen 47. The operator can then perform repairs according to the prompts. If image acquisition fails, the system will automatically re-acquire the image a certain number of times (e.g., 3 times). If it still fails, the detection will stop and the operator will be prompted to check the acquisition lens and lighting conditions.

[0038] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in this utility model, and these should all be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. An intelligent inspection system for the welding quality of a frame module, characterized in that: The system includes a detection component (1), which comprises a base (11), a detection frame (12), a slide groove (13), a first slider (14), a first screw (15), a first screw hole (16), a connecting frame (17), a second slider (18), a second screw (19), a second screw hole (20), a mounting plate (21), an electric cylinder (22), a hexagonal detection head (23), a side acquisition lens (24), and a lower acquisition lens (25). A detection frame (12) is fixedly connected to the front of the upper surface of the base (11). A groove (13) is provided in the middle of the upper surface of the detection frame (12). A first slider (14) is slidably connected to the inner wall of the groove (13). A first screw (15) is passed through the center of the upper part of the rear surface of the detection frame (12). A first screw hole (16) is provided in the center of the front surface of the first slider (14). The outer wall of the first screw (15) is threaded to the inner wall of the first screw hole (16). A connecting frame (17) is welded to the bottom of the first slider (14). A second slider (18) is slidably connected to the inner wall of the connecting frame (17). A second screw (19) passes through the center of one side of the frame (17). A second screw hole (20) is opened at the center of one side of the second slider (18). The outer side wall of the second screw (19) is threaded to the inner side wall of the second screw hole (20). A mounting plate (21) is fixedly connected to the bottom of the second slider (18). An electric cylinder (22) is fixedly connected to the bottom of the mounting plate (21). A hexagonal detection head (23) is fixedly connected to the output end of the electric cylinder (22). Multiple side acquisition lenses (24) are arranged around the outer wall of the hexagonal detection head (23). A lower acquisition lens (25) is arranged at the center of the bottom of the hexagonal detection head (23).

2. The intelligent inspection system for welding quality of frame modules according to claim 1, characterized in that: The inner wall of the base (11) is slidably connected to a placement platform (26). A motor bracket (27) is fixedly connected to the center of the front part of the lower surface of the base (11). A servo motor (28) is fixedly connected to the inner wall of the motor bracket (27). A threaded rod (29) is fixedly connected to the output end of the servo motor (28). A connecting block (30) is welded to the center of the front part of the lower surface of the placement platform (26). A threaded hole (31) is opened on the lower part of the front surface of the connecting block (30). The outer wall of the threaded rod (29) is threadedly connected to the inner wall of the threaded hole (31). A limiting groove (32) is opened in the middle of the upper surface of the placement platform (26). A limiting frame (33) is slidably connected to the inner wall of the limiting groove (32).

3. The intelligent inspection system for welding quality of frame modules according to claim 2, characterized in that: A first drive motor (34) is fixedly connected to the outer side of the upper center of the rear surface of the detection frame (12). The rear surface of the first screw (15) is fixedly connected to the output end of the first drive motor (34). A second drive motor (35) is fixedly connected to the outer side of the center of one side of the connecting frame (17). One end of the second screw (19) is fixedly connected to the output end of the second drive motor (35). A controller (36) is fixedly connected to the middle of the front surface of the detection frame (12). The input ends of the first drive motor (34), the second drive motor (35), the electric cylinder (22), and the servo motor (28) are all electrically connected to the output end of the controller (36). The output ends of the side acquisition lens (24) and the lower acquisition lens (25) are all electrically connected to the input end of the controller (36).

4. The intelligent inspection system for welding quality of frame modules according to claim 3, characterized in that: Side supplement lights (37) are provided on the upper and lower parts of the outer side wall of the hexagonal detection head (23) near the side acquisition lens (24). Multiple lower supplement lights (38) are provided on the outer side of the lower surface of the hexagonal detection head (23). The input terminals of the side supplement lights (37) and the lower supplement lights (38) are electrically connected to the output terminal of the controller (36).

5. The intelligent inspection system for welding quality of frame modules according to claim 1, characterized in that: The inner sidewall of the slide (13) is provided with a first limiting groove (39) at the middle of both sides. The first slider (14) is fixedly connected with a first limiting strip (40) at the middle of both sides. The outer sidewall of the first limiting strip (40) is slidably connected to the inner sidewall of the first limiting groove (39). The front and rear surfaces of the connecting frame (17) are provided with a second limiting groove (41) at the middle of both sides. The front and rear surfaces of the second slider (18) are fixedly connected with a second limiting strip (42). The outer sidewall of the second limiting strip (42) is slidably connected to the inner sidewall of the second limiting groove (41).

6. The intelligent inspection system for welding quality of frame modules according to claim 2, characterized in that: The inner sidewall of the base (11) is provided with a third limiting groove (43) on both sides of the middle. The middle sidewall of the placement platform (26) is fixedly connected with a third limiting strip (44). The outer sidewall of the third limiting strip (44) is slidably connected to the inner sidewall of the third limiting groove (43). The lower surface of the base (11) is fixedly connected with a U-shaped frame (45). A limiting hole (46) is provided at the center of the front surface of the U-shaped frame (45). The rear part of the outer sidewall of the threaded rod (29) is rotatably connected to the inner sidewall of the limiting hole (46).

7. The intelligent inspection system for welding quality of frame modules according to claim 3, characterized in that: The controller (36) has a touch screen (47) in the center of its front surface.

8. The intelligent inspection system for welding quality of frame modules according to claim 6, characterized in that: Support legs (48) are fixedly connected to the four corners of the lower surface of the base (11).

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