Aluminum profile surface defect detection device

Abstract

The invention relates to the field of aluminum profile surface defect detection, and discloses an aluminum profile surface defect detection device which comprises a bearing platform, the bearing platform is arranged in the top face of a workbench, a positioning shaft seat is fixed to the middle of the bottom face in the bearing platform, and a limiting transverse strip is rotationally arranged at the top end of the positioning shaft seat; the two ends of the limiting transverse strip are rotationally provided with pulling strips correspondingly, the two ends, away from each other, of the two pulling strips are rotationally provided with synchronous strips correspondingly, clamping blocks are slidably arranged on the inner bottom face of the bearing platform, and the two ends of each synchronous strip are connected with the two clamping blocks correspondingly. Clamping air cylinders are fixed to the two sides of the inner bottom face of the bearing platform correspondingly. According to the aluminum profile clamping device, along with continuous contraction of the clamping air cylinders, the clamping blocks can move towards the aluminum profile from the two sides, and finally firm clamping of the aluminum profile is achieved. The stability of the aluminum profile in the detection process is ensured, and necessary fixing conditions are provided for surface defect detection.

Description

Technical Field

[0001] The invention relates to the technical field of aluminum profile surface defect detection, and in particular to an aluminum profile surface defect detection device. Background Art

[0002] Aluminum profiles play a pivotal role in modern architecture, decoration and industrial design. Due to their light weight, high strength and corrosion resistance, aluminum profiles are widely used in various fields. However, during the production and processing process, scratches, dents, bubbles and other defects may appear on the surface of aluminum profiles, which not only affect the appearance, but also weaken the structural integrity of the material. Therefore, it is particularly important to perform accurate defect detection on the surface of aluminum profiles.

[0003] Traditional aluminum profile surface defect detection mostly relies on manual visual inspection, which is not only inefficient, but also its accuracy is affected by the operator's experience and fatigue. With the development of automation technology, various automated inspection equipment have appeared on the market in an attempt to improve inspection efficiency and accuracy. These devices usually include mechanical clamping mechanisms to fix aluminum profiles and ensure their stability during the inspection process.

[0004] In existing automated testing equipment, the design of the clamping mechanism is directly related to the fixing effect of aluminum profiles and the accuracy of testing. Complex clamping mechanisms often have problems such as inconvenient adjustment and poor adaptability. During the production process of aluminum profiles, it is necessary to detect surface defects, but the aluminum testing devices currently used have the following disadvantages: the aluminum profile may deviate during the testing process, resulting in low detection accuracy. Summary of the invention

[0005] The purpose of the present invention is to provide an aluminum profile surface defect detection device to solve the problem that the aluminum profile may deviate during the detection process, resulting in low detection accuracy.

[0006] In order to achieve the above-mentioned invention objectives, the present invention adopts the following technical scheme: an aluminum profile surface defect detection device, comprising a bearing platform, the bearing platform is arranged inside the top surface of the workbench, a positioning shaft seat is fixed at the middle position of the inner bottom surface of the bearing platform, a limiting horizontal bar is rotatably provided at the top end of the positioning shaft seat, pulling bars are rotatably provided at both ends of the limiting horizontal bar, and synchronization bars are rotatably provided at both ends of the two pulling bars away from each other, a clamping block is slidably provided on the inner bottom surface of the bearing platform, and the two ends of the synchronization bar are respectively connected to the two clamping blocks, and clamping cylinders are respectively fixed at both sides of the inner bottom surface of the bearing platform, and the telescopic ends of the clamping cylinders are connected to the corresponding clamping blocks.

[0007] Preferably, the bottom surfaces of several of the clamping blocks are provided with rail grooves, and two linear rails are fixed to the inner bottom surface of the supporting platform, and the linear rails are respectively located between the clamping cylinder and the positioning shaft seat, and the linear rails and the rail grooves are slidably arranged, and the top surface of the supporting platform is provided with two limiting holes, and the top surfaces of the clamping blocks pass through the limiting holes and extend to the top surface of the supporting platform.

[0008] Preferably, limiting grooves are respectively provided on both sides of the inner wall of the top surface of the carrying platform, and rotating shafts are respectively fixed on both sides of the carrying platform. The rotating shafts and the limiting grooves are rotatably arranged, and a plurality of unloading cylinders are fixed inside the workbench, and the telescopic ends of the plurality of unloading cylinders are hinged to the bottom surface of the carrying platform.

[0009] Preferably, a detection cylinder is movably arranged above the carrying platform, a detection camera is fixed to the telescopic end of the detection cylinder, and a marking cylinder is movably arranged above the carrying platform, a connecting block is fixed to the telescopic end of the marking cylinder, a nozzle is fixed on the connecting block, and a transmission hose is connected and fixed to the nozzle.

[0010] Preferably, two connecting seats are fixed on both sides of the top surface of the bearing platform, and electric sliders are fixed on the top surfaces of the two connecting seats. Limiting frames are fixed on the top surfaces of the sliders of the two electric sliders.

[0011] Preferably, a moving block is slidably arranged inside the limit frame, the static end of the detection cylinder is fixed to the bottom surface of the moving block, the marking cylinder is connected to the top surface of the moving block through a fixing frame, and the final position of the marking cylinder is located on the side of the limit frame.

[0012] Preferably, a driving motor is fixed to one end of the limit frame, a transmission screw is rotatably arranged inside the limit frame, one end of the transmission screw is connected to the output end of the driving motor, the moving block is threadedly connected to the outer wall of the transmission screw, and the two sides of the moving block are in contact with the two sides of the inner wall of the limit frame.

[0013] Preferably, a partition plate is fixed at the middle position of the inner bottom surface of the workbench, and the partition plate is used to divide the interior of the workbench into two cavities. The front and rear sides of the workbench are respectively connected with cabinet doors through hinges.

[0014] Compared with the prior art, the aluminum profile surface defect detection device using the above technical solution has the following beneficial effects: 1. During use, the staff places the aluminum profile to be tested on the top surface of the load-bearing platform. Then, the two clamping cylinders are started, and the telescopic ends of the clamping cylinders are contracted. Since the telescopic ends of the clamping cylinders are connected to the synchronization bar, the contraction action will pull the synchronization bar to move. During the process of the synchronization bar being pulled by the clamping cylinder, since both ends of the synchronization bar are connected to the clamping block, the clamping block also moves closer to the aluminum profile. The limit bar can be rotated on the positioning shaft seat, allowing the pull bar to adjust the angle and position during the clamping process, so as to more flexibly cope with aluminum profiles of different sizes or shapes. As an intermediary connecting the limit bar and the synchronization bar, the pull bar will adjust its angle and position accordingly to coordinate the movement of the clamping block. The limit bar serves as a base point to ensure that the pull bar can be adjusted smoothly, so that the clamping block can position and clamp the aluminum profile more accurately. The bottom surface of the clamping block cooperates with the linear track through the track slot, which allows the clamping block to slide smoothly during the movement. As the clamping cylinder continues to contract, the clamping blocks will move toward the aluminum profile from both sides and finally clamp it firmly. This ensures the stability of the aluminum profile during the inspection process and provides the necessary fixing conditions for surface defect inspection. 2. During use, when there are defects on the surface of the aluminum profile being tested, the telescopic ends of the two unloading cylinders will shrink downward. At this time, one side of the load-bearing platform will follow the telescopic ends of the unloading cylinders and tilt downward, while the other side of the load-bearing platform will tilt upward. At this time, the load-bearing platform will be in a 45-degree tilt state. After the two unloading cylinders have completed shrinking, the telescopic ends of the two clamping cylinders will reset, thereby releasing the clamped aluminum profile. The released aluminum profile will be drawn into the inner front side of the workbench through the tilt angle of the load-bearing platform, thereby removing the defective aluminum profile; If there are no defects on the surface of the aluminum profile, the other two unloading cylinders will shrink downwards, which is the same as the above process, except that the inclination angle of the load-bearing platform is opposite, so the aluminum profile without defects will slide to the inner rear side of the workbench, and the interior of the workbench is divided into two cavities by the partition plate, so that the aluminum profile with defects and the aluminum profile without defects can be classified, which is convenient for the subsequent processing of the staff and improves the efficiency of the surface defect detection of the aluminum profile; 3. During use, by starting the detection cylinder, the telescopic end of the detection cylinder will drive the detection camera to move downward and close to the aluminum profile placed on the load-bearing platform. The detection camera can be used to detect defects on the surface of the aluminum profile, so as to know whether there are defects on the surface of the aluminum profile. After the defects of the aluminum profile are detected, the telescopic end of the marking cylinder drives the nozzle to move downward to the surface of the aluminum profile. Before this process, the staff will connect the paint to the nozzle through a transmission hose. At this time, the paint will be sprayed out through the nozzle and adhere to the defects on the surface of the aluminum profile, marking the defect position, thereby completing the defect detection and defect marking on the surface of the aluminum profile; 4. During use, the slider of the electric slider can drive the inspection camera and the nozzle to move longitudinally above the aluminum profile. The output end of the drive motor drives the transmission screw to rotate, thereby driving the moving block to move horizontally inside the limit frame. Through the alternating longitudinal and lateral movements, the surface of the aluminum profile can be operated in all directions during the inspection and marking process without the phenomenon of dead angles, thereby improving the efficiency of defect detection and defect marking. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a perspective view of an embodiment.

[0016] Figure 2 It is a sectional stereoscopic view of the working table of the embodiment.

[0017] Figure 3 It is a disassembled stereoscopic view of the connection of the discharge cylinder of the embodiment.

[0018] Figure 4 It is a sectional stereoscopic view of the carrying platform of the embodiment.

[0019] Figure 5 This is a split three-dimensional diagram of the limiting horizontal bar of the embodiment.

[0020] Figure 6 It is a disassembled stereogram of the moving block of the embodiment.

[0021] Figure 7 For example Figure 2 Enlarged schematic diagram at point A in the middle.

[0022] Figure 8 A system block diagram of an embodiment.

[0023] In the figure: 1. Carrying platform; 2. Workbench; 3. Positioning shaft seat; 4. Limiting horizontal bar; 5. Pull bar; 6. Synchronizing bar; 7. Clamping block; 8. Clamping cylinder; 9. Track slide; 10. Linear track; 11. Limiting hole; 12. Limiting groove; 13. Rotating axis; 14. Unloading cylinder; 15. Detection cylinder; 16. Detection camera; 17. Marking cylinder; 18. Connecting block; 19. Nozzle; 20. Transmission hose; 21. Connecting seat; 22. Electric slider; 23. Limiting frame; 24. Moving block; 25. Driving motor; 26. Transmission screw; 27. Partition plate; 28. Cabinet door. DETAILED DESCRIPTION

[0024] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0025] like Figure 1-Figure 4 and Figure 8As shown, a surface defect detection device for aluminum profiles includes a bearing platform 1, which is arranged inside the top surface of a workbench 2, a positioning shaft seat 3 is fixed at the middle position of the inner bottom surface of the bearing platform 1, a limit horizontal bar 4 is rotatably arranged on the top of the positioning shaft seat 3, and pulling bars 5 are rotatably arranged at both ends of the limit horizontal bar 4, and synchronous bars 6 are rotatably arranged at the two ends of the two pulling bars 5 away from each other, respectively, and a clamping block 7 is slidably arranged on the inner bottom surface of the bearing platform 1, and the two ends of the synchronous bar 6 are respectively connected to the two clamping blocks 7, and the bearing platform 1 Clamping cylinders 8 are fixed on both sides of the inner bottom surface, and the telescopic ends of the clamping cylinders 8 are connected to the corresponding clamping blocks 7. The bottom surfaces of several clamping blocks 7 are provided with track grooves 9. Two linear rails 10 are fixed on the inner bottom surface of the carrying platform 1. The linear rails 10 are respectively located between the clamping cylinders 8 and the positioning shaft seats 3. The linear rails 10 and the track grooves 9 are slidably arranged. Two limiting holes 11 are provided on the top surface of the carrying platform 1. The top surfaces of the clamping blocks 7 pass through the limiting holes 11 and extend to the top surface of the carrying platform 1.

[0026] During use, the staff places the aluminum profile to be tested on the top surface of the carrying platform 1. Then, the two clamping cylinders 8 are started, and the telescopic ends of the clamping cylinders 8 are contracted. Since the telescopic ends of the clamping cylinders 8 are connected to the synchronization bar 6, the contraction action will pull the synchronization bar 6 to move. When the synchronization bar 6 is pulled by the clamping cylinder 8, because both ends of the synchronization bar 6 are connected to the clamping block 7, the clamping block 7 also moves closer to the aluminum profile. The limit bar 4 can be rotated on the positioning shaft seat 3, thereby allowing the pull bar 5 to adjust the angle and position during the clamping process, so as to more flexibly cope with aluminum profiles of different sizes or shapes. The pull bar 5 serves as an intermediary connecting the limit bar 4 and the synchronization bar 6, and its angle and position will be adjusted accordingly to coordinate the movement of the clamping block 7. The limit bar 4 serves as a base point to ensure that the pull bar 5 can be adjusted smoothly, so that the clamping block 7 can position and clamp the aluminum profile more accurately. The bottom surface of the clamping block 7 cooperates with the linear track 10 through the track slot 9, which allows the clamping block 7 to slide smoothly during the movement. As the clamping cylinder 8 continues to shrink, the clamping block 7 will move toward the aluminum profile from both sides and finally firmly clamp it. The stability of the aluminum profile during the inspection process is ensured, providing the necessary fixing conditions for surface defect detection.

[0027] like Figure 1-Figure 3 , Figure 7 and Figure 8As shown, limiting grooves 12 are respectively provided on both sides of the inner wall of the top surface of the carrying platform 1, and rotating shafts 13 are respectively fixed on both sides of the carrying platform 1. The rotating shafts 13 and the limiting grooves 12 are rotatably arranged, and a plurality of unloading cylinders 14 are fixed inside the workbench 2. The telescopic ends of the plurality of unloading cylinders 14 are hinged to the bottom surface of the carrying platform 1, and a partition plate 27 is fixed at the middle position of the inner bottom surface of the workbench 2. The partition plate 27 is used to divide the interior of the workbench 2 into two cavities, and the front and rear sides of the workbench 2 are rotatably connected with cabinet doors 28 through hinges.

[0028] During use, when there are defects on the surface of the inspected aluminum profile, the telescopic ends of the two unloading cylinders 14 will shrink downwards. At this time, one side of the carrying platform 1 will follow the telescopic ends of the unloading cylinders 14 and tilt downwards, while the other side of the carrying platform 1 will tilt upwards. At this time, the carrying platform 1 will be in a 45-degree tilt state. After the two unloading cylinders 14 have finished shrinking, the telescopic ends of the two clamping cylinders 8 will reset, thereby releasing the clamped aluminum profile. The released aluminum profile will be drawn into the inner front side of the workbench 2 through the tilt angle of the carrying platform 1, thereby removing the defective aluminum profile. If no defects are found on the surface of the aluminum profile, the other two unloading cylinders 14 will retract downward, which is the same as the above process. The only difference is that the inclination angle of the supporting platform 1 is opposite. Therefore, the aluminum profile without defects will slide to the inner rear side of the workbench 2, and the interior of the workbench 2 is divided into two cavities by the partition plate 27, so that the aluminum profile with defects and the aluminum profile without defects can be classified, which is convenient for the subsequent processing of the staff and improves the efficiency of the surface defect detection of the aluminum profile.

[0029] like Figure 1 , Figure 2 , Figure 6 and Figure 8 As shown, a detection cylinder 15 is movably provided above the carrying platform 1, and a detection camera 16 is fixed to the telescopic end of the detection cylinder 15. A marking cylinder 17 is movably provided above the carrying platform 1, and a connecting block 18 is fixed to the telescopic end of the marking cylinder 17. A nozzle 19 is fixed on the connecting block 18, and a transmission hose 20 is connected and fixed to the nozzle 19. One end of the transmission hose 20 needs to be fixed to the water outlet end of the paint pump, and the paint can be transferred to the nozzle 19 through the paint pump.

[0030] During use, by starting the detection cylinder 15, the telescopic end of the detection cylinder 15 will drive the detection camera 16 to move downward and approach the aluminum profile placed on the supporting platform 1. The surface of the aluminum profile can be inspected for defects through the detection camera 16, so as to know whether there are defects on the surface of the aluminum profile. After the defects of the aluminum profile are detected, the telescopic end of the marking cylinder 17 drives the nozzle 19 to move downward to the surface of the aluminum profile. At this time, the paint will be sprayed out through the nozzle 19 and adhere to the defects on the surface of the aluminum profile, marking the defect position, thereby completing the defect detection and defect marking on the surface of the aluminum profile.

[0031] like Figure 1 , Figure 2 , Figure 6 and Figure 8 As shown, two connecting seats 21 are fixed on both sides of the top surface of the carrying platform 1, and electric sliders 22 are fixed on the top surfaces of the two connecting seats 21. The top surfaces of the sliders of the two electric sliders 22 are fixed with limit frames 23, and a moving block 24 is slidingly arranged inside the limit frame 23. The static end of the detection cylinder 15 is fixed to the bottom surface of the moving block 24, and the marking cylinder 17 is connected to the top surface of the moving block 24 through a fixed frame. The final position of the marking cylinder 17 is located on the side of the limit frame 23, and a driving motor 25 is fixed to one end of the limit frame 23. A transmission screw 26 is rotatably arranged inside the limit frame 23, and one end of the transmission screw 26 is connected to the output end of the driving motor 25. The moving block 24 is threadedly connected to the outer wall of the transmission screw 26, and the two sides of the moving block 24 are in contact with the two sides of the inner wall of the limit frame 23. A PLC controller is provided at the upper left corner of the front side of the workbench 2, and the clamping cylinder 8, unloading cylinder 14, detection cylinder 15, detection camera 16, marking cylinder 17, electric slider 22, drive motor 25 and transmission screw 26, as well as a paint pump for transmitting paint are all electrically connected to the PLC controller.

[0032] During use, the slider of the electric slider 22 can drive the detection camera 16 and the nozzle 19 to move longitudinally above the aluminum profile. The output end of the drive motor 25 drives the transmission screw 26 to rotate, thereby driving the moving block 24 to move laterally inside the limit frame 23. Through the alternating longitudinal and lateral movements, the surface of the aluminum profile can be operated in all directions during the detection and marking process without the phenomenon of dead angles, thereby improving the work efficiency of defect detection and defect marking.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A device for detecting surface defects of aluminum profiles, comprising a carrying platform (1), wherein the carrying platform (1) is arranged inside the top surface of a workbench (2), and is characterized in that: A positioning shaft seat (3) is fixed in the middle position of the inner bottom surface of the bearing platform (1); a limit horizontal bar (4) is rotatably provided at the top end of the positioning shaft seat (3); pulling bars (5) are rotatably provided at both ends of the limit horizontal bar (4); two ends of the pulling bars (5) that are away from each other are rotatably provided with synchronization bars (6); a clamping block (7) is slidably provided on the inner bottom surface of the bearing platform (1); the two ends of the synchronization bar (6) are respectively connected to the two clamping blocks (7); clamping cylinders (8) are respectively fixed at both sides of the inner bottom surface of the bearing platform (1); the telescopic ends of the clamping cylinders (8) are connected to the corresponding clamping blocks (7).

2. The aluminum profile surface defect detection device according to claim 1, characterized in that: The bottom surfaces of several of the clamping blocks (7) are provided with rail grooves (9), and the inner bottom surface of the supporting platform (1) is fixed with two linear rails (10), and the linear rails (10) are respectively located between the clamping cylinder (8) and the positioning shaft seat (3), and the linear rails (10) and the rail grooves (9) are slidably arranged. The top surface of the supporting platform (1) is provided with two limiting holes (11), and the top surfaces of the clamping blocks (7) pass through the limiting holes (11) and extend to the top surface of the supporting platform (1).

3. The aluminum profile surface defect detection device according to claim 1, characterized in that: Limiting grooves (12) are respectively provided on both sides of the inner wall of the top surface of the carrying platform (1), and rotating shafts (13) are respectively fixed on both sides of the carrying platform (1), and the rotating shafts (13) and the limiting grooves (12) are rotatably arranged. A plurality of unloading cylinders (14) are fixed inside the workbench (2), and the telescopic ends of the plurality of unloading cylinders (14) are hinged to the bottom surface of the carrying platform (1).

4. The aluminum profile surface defect detection device according to claim 1, characterized in that: A detection cylinder (15) is movably arranged above the carrying platform (1), a detection camera (16) is fixed to the telescopic end of the detection cylinder (15), a marking cylinder (17) is movably arranged above the carrying platform (1), a connecting block (18) is fixed to the telescopic end of the marking cylinder (17), a nozzle (19) is fixed to the connecting block (18), and a transmission hose (20) is connected and fixed to the nozzle (19).

5. The aluminum profile surface defect detection device according to claim 4, characterized in that: Two connecting seats (21) are fixed to both sides of the top surface of the carrying platform (1), and electric sliders (22) are fixed to the top surfaces of the two connecting seats (21). Limiting frames (23) are fixed to the top surfaces of the sliders of the two electric sliders (22).

6. The aluminum profile surface defect detection device according to claim 5, characterized in that: A moving block (24) is slidably disposed inside the limit frame (23), a static end of the detection cylinder (15) is fixed to the bottom surface of the moving block (24), the marking cylinder (17) is connected to the top surface of the moving block (24) via a fixing frame, and the final position of the marking cylinder (17) is located on the side of the limit frame (23).

7. The aluminum profile surface defect detection device according to claim 6, characterized in that: A driving motor (25) is fixed to one end of the limit frame (23); a transmission screw (26) is rotatably arranged inside the limit frame (23); one end of the transmission screw (26) is connected to an output end of the driving motor (25); the moving block (24) is threadedly connected to an outer wall of the transmission screw (26); and two sides of the moving block (24) are in contact with two sides of an inner wall of the limit frame (23).

8. The aluminum profile surface defect detection device according to claim 1, characterized in that: A partition plate (27) is fixed in the middle of the inner bottom surface of the workbench (2), and the partition plate (27) is used to divide the interior of the workbench (2) into two cavities. The front and rear sides of the workbench (2) are respectively connected to cabinet doors (28) by hinges.

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