Detection equipment for aluminum alloy profile extrusion welding seam

Abstract

The invention relates to the technical field of welding seam detection, and particularly discloses an aluminum alloy profile extrusion welding seam detection device which comprises a fixed detection frame, a movable detection frame is movably arranged on one side of the fixed detection frame, and moving wheels are fixedly arranged on the two sides of the bottom of the fixed detection frame and the two sides of the bottom of the movable detection frame. Through a closed detection space formed by the fixed detection frame, the movable detection frame and the shading cover plate, external light is isolated, interference of external factors on the detection process is avoided, and the accuracy of a detection result is greatly improved; the telescopic frame on one side of the movable detection frame is matched with the telescopic groove of the fixed detection frame, and the sliding rod is in sliding connection with the sliding groove, so that the detection equipment can be adaptively adjusted according to aluminum alloy sections with different length specifications and dimensions, the application range of the detection equipment is remarkably expanded, and the detection efficiency is improved when the aluminum alloy sections with different lengths are detected. And the length of the detection space can be changed by pulling the movable detection frame, so that smooth detection is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of weld detection, and in particular to a detection device for extruded welds of aluminum alloy profiles. Background Art

[0002] With the wide application of aluminum alloy profiles in many fields, such as construction, automobile manufacturing, aerospace and other industries, the requirements for their quality and performance are becoming increasingly stringent. As a key part affecting the overall quality of aluminum alloy profiles, the quality inspection of aluminum alloy profile extrusion welds is extremely important.

[0003] Traditional detection methods often rely on a single detection method, and the versatility and accuracy of the detection equipment are insufficient. For example, some detection equipment cannot adapt to profiles of different lengths and specifications, and are easily disturbed by external factors such as light during the detection process, resulting in poor accuracy of the detection results. At the same time, the detection of welds often focuses on a single dimension, such as only paying attention to the presence or absence of defects, but lacks a comprehensive assessment of organizational structure, surface quality and other aspects. It is difficult to comprehensively and accurately judge the quality of welds, and cannot meet the needs of modern industrial production for high-quality aluminum alloy profiles. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a detection device for aluminum alloy profile extrusion welds, in order to solve the above-mentioned technical defects.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: an inspection device for aluminum alloy profile extrusion welds, comprising a fixed inspection frame, a movable inspection frame is movably provided on one side of the fixed inspection frame, and moving wheels are fixedly provided on both sides of the bottom of the fixed inspection frame and the movable inspection frame, and a light shielding cover is rotatably provided on one side of the fixed inspection frame;

[0006] A clamping unit is provided on one side of the interior of the fixed detection frame and one side of the movable detection frame, and a detection unit is also movably provided inside the fixed detection frame;

[0007] The clamping unit includes a fixed frame and a lifting frame, a fixed frame is fixedly arranged on one side of the movable detection frame, and a plurality of micro-electric cylinders are fixedly arranged on the outer peripheral surface of the fixed frame, and the driving ends of the plurality of micro-electric cylinders extend to the inside of the fixed frame and are fixedly arranged with a first clamping plate; a servo electric cylinder is fixedly arranged on one side of the inside of the fixed detection frame, and a lifting frame is fixedly arranged on the top of the driving shaft of the servo electric cylinder, a linear slide is fixedly arranged inside the lifting frame, and second clamping plates are slidably arranged on both sides of the top of the linear slide;

[0008] The detection unit comprises an annular detection frame, a bogie is rotatably arranged inside the annular detection frame, a plurality of micro-electric cylinders 2 are fixedly arranged inside the bogie, and a mounting frame is fixedly arranged at one end of the driving shaft of the plurality of micro-electric cylinders 2, an annular lamp bead is fixedly arranged on the top of the plurality of mounting frames, a mounting groove is also arranged inside the plurality of mounting frames, and a detection module is movably arranged inside the plurality of mounting grooves;

[0009] It also includes: weld structure detection and analysis module, weld defect size detection and analysis module, profile surface quality detection and analysis module, profile weld quality assessment module and detection unqualified marking module.

[0010] Furthermore, a telescopic frame is fixedly provided on one side of the movable detection frame, a telescopic groove matching with the telescopic frame is provided on the side of the fixed detection frame close to the movable detection frame, and one side of the telescopic frame is slidably connected inside the telescopic groove, a sliding rod is also fixedly provided around one side of the movable detection frame, a sliding groove matching with the sliding rod is also provided around the side of the fixed detection frame close to the movable detection frame, and one end of the four sliding rods are respectively slidably connected to the inside of the four sliding grooves.

[0011] Furthermore, several of the micro-electric cylinders are arranged at equal angles with respect to the central axis of the fixing frame, one side of several of the first clamping plates adopts an arc surface design and a straight surface design respectively, and the arc surface and the straight surface are arranged alternately, and one side of several of the first clamping plates and two second clamping plates are provided with rubber pads.

[0012] Furthermore, the plurality of detection modules include but are not limited to ultrasonic probes, eddy current probes and magnetic particle detection probes, and the annular lamp beads on one side of the plurality of mounting frames are independently controlled by PLC.

[0013] Furthermore, a control motor is fixedly provided on one side of the annular detection frame, a gear is fixedly provided on the output shaft of the control motor, and an external tooth groove is provided on the outer peripheral surface of the bogie, and the gear arranged on the output shaft of the control motor and the external tooth groove on the outer peripheral surface of the bogie are meshed for transmission.

[0014] Furthermore, fixed guide frames are fixedly provided on both sides of the inner wall of the fixed detection frame, and a movable guide frame is slidably provided inside the fixed guide frame, one end of the movable guide frame is fixedly connected to one side of the movable detection frame, guide grooves are provided inside the fixed guide frame and the movable guide frame, and one side of the two guide grooves is provided with internal tooth grooves, guide wheels are rotatably provided inside the guide grooves, and a transmission gear is fixedly provided on one side of the guide wheel, the surfaces of the transmission gears are respectively meshed with the tooth surfaces of the two internal tooth grooves for transmission, and a driving frame is rotatably provided on one side of the two transmission gears, a guide motor is fixedly provided on the opposite side of the two driving frames, and a driving gear is fixedly provided on the driving ends of the two guide motors, the surfaces of the two driving gears are respectively meshed with the surfaces of the two transmission gears for transmission, a connecting frame is fixedly provided on the opposite side of the two driving frames, and the opposite sides of the two connecting frames are respectively fixedly connected to the two sides of the annular detection frame.

[0015] Furthermore, the weld structure detection and analysis module detects and analyzes the size of the grains in each extruded weld corresponding to the aluminum alloy profile to obtain the structure influence coefficient in each extruded weld corresponding to the aluminum alloy profile. The specific detection and analysis method is as follows:

[0016] The size and number of grains in each extrusion weld of the aluminum alloy profile are detected by an electron microscope probe. The average grain size of each extrusion weld of the aluminum alloy profile is obtained by summing up all the detected grain sizes and dividing by the number of detected grains, which is recorded as JG. According to the grain size obtained by the detection, the standard deviation of the grain size distribution is calculated using the standard deviation calculation formula, which is recorded as JB.

[0017] According to the application scenario of aluminum alloy profiles, the ideal average grain size range and the upper limit of the allowable grain size distribution standard deviation are determined, which are denoted as [JG min ,JG max ] and JB lim ;

[0018] According to the formula

[0019] The organizational structure influence coefficient KZ of each extrusion weld of aluminum alloy profile is calculated.

[0020] Furthermore, the weld defect size detection and analysis module is based on detecting and analyzing the defect size in each extruded weld corresponding to the aluminum alloy profile to obtain the defect size influence coefficient in each extruded weld corresponding to the aluminum alloy profile. The specific detection and analysis method is as follows:

[0021] The length, width and height of the defect size in each extruded weld of the aluminum alloy profile are detected and obtained by ultrasonic detection probe and X-ray detection probe, which are recorded as CD1, CD2, CD3, SD1, SD2 and SD3 respectively. Calculate the three-dimensional defect size in each extrusion weld of the aluminum alloy profile, where w1 and w2 are the weight factors set by the ultrasonic probe and the X-ray detection probe for the defect size detection results;

[0022] According to the load-bearing requirements and defect tolerance standards of aluminum alloy profiles, the maximum allowable defect volume threshold SV is determined max ;

[0023] And the formula The defect size influence coefficient KQ of each extrusion weld of aluminum alloy profile is calculated.

[0024] Furthermore, the profile surface quality detection and analysis module detects and analyzes the surface parameters of each extrusion weld corresponding to the aluminum alloy profile to obtain the surface influence coefficient of each extrusion weld corresponding to the aluminum alloy profile. The specific detection and analysis method is as follows:

[0025] The surface roughness and surface defect density of each extrusion weld of the aluminum alloy profile are detected and obtained by using a surface roughness measuring instrument and a magnetic particle flaw detection probe, which are recorded as Ra and ρs respectively;

[0026] According to the application scenario of aluminum alloy profiles, the maximum allowable surface roughness and the upper limit of surface defect density are determined, which are denoted as Ra max and ρs lim ;

[0027] According to the formula

[0028] Calculate the surface quality influence coefficient KB of each extrusion weld of aluminum alloy profile.

[0029] Furthermore, the profile weld quality assessment module performs comparative analysis on the organizational structure influence coefficient, defect size influence coefficient and surface quality influence coefficient in each extruded weld corresponding to the above aluminum alloy profile, and generates corresponding analysis signals according to the comparative analysis results. The specific comparative analysis method is as follows:

[0030] The threshold of the organizational structure influence coefficient is artificially set according to the application scenario of the aluminum alloy profile. If the value of the organizational structure influence coefficient is less than the threshold, it means that the quality of each extrusion weld corresponding to the aluminum alloy profile is poor in organizational structure, and an unqualified signal is generated and sent to the unqualified marking module to mark the aluminum alloy profile as unqualified. Otherwise, a qualified organizational structure signal is generated to continue the comparative analysis of the defect size influence coefficient.

[0031] The threshold of the defect size influence coefficient is artificially set according to the application scenario of the aluminum alloy profile. If the value of the defect size influence coefficient is less than the threshold, it means that the quality of the corresponding extruded welds of the aluminum alloy profile is poor in terms of defect size, and an unqualified signal is generated and sent to the unqualified marking module to mark the aluminum alloy profile as a unqualified product. Otherwise, a defect size qualified signal is generated to continue the comparative analysis of the surface influence coefficient.

[0032] The threshold of the surface quality influence coefficient is artificially set according to the application scenario of the aluminum alloy profile. If the value of the surface quality influence coefficient is less than the threshold, it means that the quality of the corresponding extrusion welds of the aluminum alloy profile is poor in surface quality. An unqualified signal is generated and sent to the unqualified marking module to mark the aluminum alloy profile as an unqualified product. Otherwise, a qualified surface quality signal is generated to complete the detection and analysis of the extrusion welds of the aluminum alloy profile.

[0033] The beneficial effects achieved by the present invention using the above structure are as follows:

[0034] 1. The enclosed detection space formed by the fixed detection frame, the movable detection frame and the light-shielding cover in the present invention isolates external light, avoids interference of external factors on the detection process, and greatly improves the accuracy of the detection result; the telescopic frame on one side of the movable detection frame cooperates with the telescopic slot of the fixed detection frame, and the sliding connection between the sliding rod and the sliding slot enables the detection equipment to be adaptively adjusted according to aluminum alloy profiles of different lengths and specifications, significantly expanding the application scope of the detection equipment. When detecting profiles of different lengths, the length of the detection space can be changed by pulling the movable detection frame to ensure smooth detection; the fixed frame and the lifting frame in the clamping unit use a number of micro-electric cylinders to drive the first clamping plate and the linear slide rail The second clamping plate clamps and positions the two ends of the aluminum alloy profile, and the rubber pad on the clamping plate can protect the surface of the profile and prevent slipping, effectively ensuring the stability of the profile during the inspection process, thereby further improving the accuracy of the inspection results; in the inspection unit, the cooperation of the movable guide frame and the fixed guide frame and the drive of the guide motor, etc., make the annular inspection frame slide flexibly in the inspection space, and the control motor can also drive the bogie to rotate. In addition, the annular lamp beads and various inspection modules on the second drive mounting frame of several micro electric cylinders can perform comprehensive data inspection on various aspects of the aluminum profile extrusion weld from different angles and methods, which greatly improves the comprehensiveness and accuracy of the inspection and provides a strong guarantee for the high-quality inspection of the aluminum alloy profile extrusion weld.

[0035] 2. In the present invention, the weld structure detection and analysis module, the weld defect size detection and analysis module, and the profile surface quality detection and analysis module are used to calculate and analyze the structure, defect size and surface quality of the aluminum alloy profile extrusion weld to obtain the structure influence coefficient, defect size influence coefficient and surface quality influence coefficient. Finally, the profile weld quality evaluation module performs a systematic comparative analysis based on these influence coefficients, judges the weld quality according to a preset threshold, generates corresponding signals in time, screens out unqualified products, and prevents bad products from entering the subsequent use link, thereby improving the reliability and stability of production quality and ensuring that the quality of the aluminum alloy profile extrusion weld fully meets the requirements of the application scenario. This comprehensive evaluation process makes full use of the data obtained by the collaborative work of the various structural components of the entire detection equipment, realizes all-round and accurate control of the weld quality, and ensures the safe and reliable application of aluminum alloy profiles in various fields. The unqualified detection marking module marks the unqualified profiles according to the signal of the evaluation module, making the quality control in the production process more efficient and orderly, and closely cooperating with the entire detection process, improving the quality control function system of the detection equipment, and improving production efficiency and product qualification rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0037] Figure 1 This is a schematic diagram of a structure of a detection device for an aluminum alloy profile extrusion weld according to an embodiment of the present invention;

[0038] Figure 2 It is a schematic diagram of the structure of a clamping unit and a detection unit according to an embodiment of the present invention;

[0039] Figure 3 It is a schematic diagram of the structure of a fixed detection frame and a movable detection frame according to an embodiment of the present invention;

[0040] Figure 4 It is a schematic diagram of the structure of a fixed detection frame, a telescopic frame and a movable detection frame according to an embodiment of the present invention;

[0041] Figure 5 is a schematic diagram of a clamping unit structure according to an embodiment of the present invention;

[0042] Figure 6 A schematic diagram of a detection unit structure according to an embodiment of the present invention;

[0043] Figure 7 It is a principle block diagram of a profile weld quality assessment module according to an embodiment of the present invention.

[0044] In the figure, 1, fixed detection frame; 2, movable detection frame; 3, moving wheel; 4, telescopic frame; 5, telescopic slot; 6, sliding rod; 7, sliding slot; 8, shading cover; 9, clamping unit; 10, fixed frame; 11, micro electric cylinder one; 12, first clamping plate; 13, servo electric cylinder; 14, lifting frame; 15, linear slide rail; 16, second clamping plate; 17, detection unit; 18, annular detection frame; 19, fixed guide frame; 20, movable guide frame; 21, guide slot; 22, internal tooth slot; 23, guide wheel; 24, transmission gear; 25, drive frame; 26, guide motor; 27, drive gear; 28, connecting frame; 29, bogie; 30, control motor; 31, micro electric cylinder two; 32, mounting frame; 33, annular lamp bead; 34, mounting slot; 35, detection module. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0047] Embodiment 1:

[0048] See also Figures 1 to 6 As shown, an inspection device for extruded welds of aluminum alloy profiles comprises a fixed inspection frame 1, a movable inspection frame 2 is movably provided on one side of the fixed inspection frame 1, and moving wheels 3 are fixedly provided on both sides of the bottom of the fixed inspection frame 1 and the movable inspection frame 2, and a light shielding cover 8 is rotatably provided on one side of the fixed inspection frame 1. A closed inspection space is formed among the fixed inspection frame 1, the movable inspection frame 2 and the light shielding cover 8, which is used for automatically inspecting the extruded welds of aluminum alloy profiles. By isolating and controlling the light from the outside world, the aluminum alloy profiles can be effectively prevented from being disturbed by external factors during the inspection of the extruded welds, thereby improving the accuracy of the inspection results of the extruded welds of the aluminum alloy profiles.

[0049] Furthermore, in order to enable the detection equipment to be applicable to the extrusion weld detection operation of aluminum alloy profiles of different lengths and specifications, a telescopic frame 4 is fixedly provided on one side of the movable detection frame 2, a telescopic slot 5 matching with the telescopic frame 4 is provided on the side of the fixed detection frame 1 close to the movable detection frame 2, and one side of the telescopic frame 4 is located inside the telescopic slot 5 for sliding connection, a sliding rod 6 is fixedly provided around one side of the movable detection frame 2, a sliding slot 7 matching with the sliding rod 6 is provided around the side of the fixed detection frame 1 close to the movable detection frame 2, and one end of the four sliding rods 6 is respectively slidably connected to the inside of the four sliding slots 7;

[0050] It should be noted that in order to enable the detection equipment to adaptively adjust according to the aluminum alloy profiles of different lengths and specifications, when performing extrusion weld detection on aluminum alloy profiles of different lengths and specifications, the brakes of the two moving wheels 3 at the bottom of the movable detection frame 2 are released, and then the movable detection frame 2 is pulled to one side according to the length specifications of the aluminum alloy profile to be detected, so that the movable detection frame 2 and the fixed detection frame 1 are gradually separated, thereby increasing the length inside the detection space, and cooperating with four sliding rods 6 to ensure the stability of the movable detection frame 2 during the displacement process, and at the same time, the telescopic frame 4 is used to isolate the extended area of ​​the detection space from light, thereby greatly improving the scope of application of the detection equipment.

[0051] Furthermore, a clamping unit 9 is provided on one side of the interior of the fixed detection frame 1 and one side of the movable detection frame 2, and a detection unit 17 is also movably provided inside the fixed detection frame 1;

[0052] The clamping unit 9 includes a fixed frame 10 and a lifting frame 14, the fixed frame 10 is fixedly arranged on one side of the movable detection frame 2, and a plurality of micro-electric cylinders 11 are fixedly arranged on the outer peripheral surface of the fixed frame 10, and the driving ends of the plurality of micro-electric cylinders 11 extend into the interior of the fixed frame 10 and are fixedly arranged with a first clamping plate 12, the plurality of micro-electric cylinders 11 are arranged at equal angles with respect to the central axis of the fixed frame 10, and one side of the plurality of first clamping plates 12 respectively adopts a curved surface design and a straight surface design, and the curved surfaces and the straight surfaces are arranged alternately;

[0053] A servo electric cylinder 13 is fixedly arranged on one side inside the fixed detection frame 1, and a lifting frame 14 is fixedly arranged on the top end of the driving shaft of the servo electric cylinder 13, a linear slide rail 15 is fixedly arranged inside the lifting frame 14, and second clamping plates 16 are slidably arranged on both sides of the top of the linear slide rail 15, wherein rubber pads are arranged on one side of several first clamping plates 12 and two second clamping plates 16, and the rubber pads are used to ensure surface protection and anti-slip properties when clamping the aluminum alloy profile.

[0054] It should be noted that when conducting extrusion weld inspection of aluminum alloy profiles, the driving end of the servo electric cylinder 13 is used to control the lifting frame 14 to move upward, and the length of the inspection space is adjusted according to the aluminum alloy profile to be inspected, and then one end of the aluminum alloy profile is transported to the inside of the fixed frame 10 on one side of the movable inspection frame 2 through the lifting frame 14 until one end of the aluminum alloy profile is sent into the inside of the fixed frame 10, and the first clamping plate 12 with an arc surface and a straight surface is selected according to the appearance shape of the aluminum alloy profile, and the driving ends of several micro electric cylinders 11 are used to control several first clamping plates 12 to clamp and position the surface of one end of the aluminum alloy profile, and finally, the surface of the aluminum alloy profile is clamped and positioned by the two second clamping plates 16 on the top of the linear slide rail 15. By clamping and positioning the surfaces at both ends of the aluminum alloy profile, the stability of the aluminum alloy profile during the extrusion weld inspection can be effectively guaranteed, thereby improving the accuracy of the inspection results of the extrusion weld of the aluminum alloy profile.

[0055] Further, the detection unit 17 includes an annular detection frame 18, fixed guide frames 19 are fixedly arranged on both sides of the inner wall of the fixed detection frame 1, and a movable guide frame 20 is slidably arranged inside the fixed guide frame 19, one end of the movable guide frame 20 is fixedly connected to one side of the movable detection frame 2, and guide grooves 21 are arranged inside the fixed guide frame 19 and the movable guide frame 20, and one side of the two guide grooves 21 is arranged with internal tooth grooves 22, and a guide wheel 23 is rotatably arranged inside the guide groove 21, and a transmission gear 24 is fixedly arranged on one side of the guide wheel 23, and the transmission gear 24 is fixedly arranged. The surfaces of the gears 24 are meshed with the tooth surfaces of the two inner tooth grooves 22 for transmission, and a driving frame 25 is rotatably provided on one side of the two transmission gears 24, a guide motor 26 is fixedly provided on the opposite side of the two driving frames 25, and a driving gear 27 is fixedly provided on the driving ends of the two guide motors 26, and the surfaces of the two driving gears 27 are meshed with the surfaces of the two transmission gears 24 for transmission, and a connecting frame 28 is fixedly provided on the opposite side of the two driving frames 25, and the opposite sides of the two connecting frames 28 are fixedly connected to the two sides of the annular detection frame 18 respectively;

[0056] A bogie 29 is rotatably arranged inside the annular detection frame 18, and a control motor 30 is fixedly arranged on one side of the annular detection frame 18, a gear is fixedly arranged on the output shaft of the control motor 30, and an external tooth groove is arranged on the outer peripheral surface of the bogie 29, and the gear arranged on the output shaft of the control motor 30 and the external tooth groove on the outer peripheral surface of the bogie 29 are meshed for transmission;

[0057] Several micro electric cylinders 2 31 are fixedly installed inside the bogie 29, and one end of the driving shaft of several micro electric cylinders 2 31 is fixedly installed with a mounting frame 32, the top of several mounting frames 32 is fixedly installed with annular lamp beads 33, several mounting frames 32 are also provided with mounting grooves 34 inside, and several mounting grooves 34 are movably installed with detection modules 35 inside; wherein several detection modules 35 include but are not limited to ultrasonic probes, eddy current probes and magnetic particle flaw detection probes, and the annular lamp beads 33 on one side of several mounting frames 32 are independently controlled by PLC.

[0058] It should be noted that when the detection space is regulated, the movable guide frame 20 is driven to slide to one side by the movable detection frame 2. When the surface extrusion weld of the aluminum alloy profile is detected, the output shaft of the guide motor 26 cooperates with the driving gear 27 to drive the transmission gear 24 to rotate, and the transmission gear 24 drives the guide wheel 23 to rotate. As the surface of the transmission gear 24 engages with the tooth surface of the guide groove 21, the connecting frame 28 is cooperated to connect the annular detection frame 18 and the driving frame 25, so that the annular detection frame 18 slides inside the detection space along the annular detection frame 18 and the movable guide frame 20, and the output shaft of the control motor 30 cooperates with the gear transmission to control the bogie 29 to rotate inside the annular detection frame 18, so that the detection modules 35 on several mounting frames 32 cooperate with the annular lamp beads 33 to detect different aspects of the data of the extrusion weld of the aluminum profile.

[0059] In a specific embodiment, the enclosed detection space formed by the fixed detection frame 1, the movable detection frame 2 and the shading cover 8 in the present invention isolates external light, avoids the interference of external factors on the detection process, and greatly improves the accuracy of the detection result; the telescopic frame 4 on one side of the movable detection frame 2 cooperates with the telescopic slot 5 of the fixed detection frame 1, and the sliding connection between the sliding rod 6 and the sliding slot 7 enables the detection equipment to be adaptively adjusted according to aluminum alloy profiles of different length specifications, significantly expanding the application scope of the detection equipment. When detecting profiles of different lengths, the length of the detection space can be changed by pulling the movable detection frame 2 to ensure the smooth progress of the detection; the fixed frame 10 and the lifting frame 14 in the clamping unit 9 use a number of micro-electric cylinders 11 to drive the first clamping plate 12 and the linear slide rail The second clamping plate 16 on 15 clamps and positions the two ends of the aluminum alloy profile, and the rubber pad on the clamping plate can protect the surface of the profile and prevent slipping, effectively ensuring the stability of the profile during the detection process, thereby further improving the accuracy of the detection result; in the detection unit 17, through the cooperation of the movable guide frame 20 and the fixed guide frame 19 and the drive of the guide motor 26, the annular detection frame 18 can slide flexibly in the detection space, and the control motor 30 can also drive the bogie 29 to rotate. In addition, a number of micro-electric cylinders 31 drive the annular lamp beads 33 and a variety of detection modules 35 on the mounting frame 32, which can perform comprehensive data detection on various aspects of the aluminum profile extrusion weld from different angles and methods, greatly improving the comprehensiveness and accuracy of the detection, and providing a strong guarantee for the high-quality detection of the aluminum alloy profile extrusion weld.

[0060] Embodiment 2:

[0061] See also Figure 7 As shown, specifically, an inspection device for aluminum alloy profile extrusion welds also includes: a weld structure inspection and analysis module, a weld defect size inspection and analysis module, a profile surface quality inspection and analysis module, a profile weld quality assessment module and a detection unqualified marking module;

[0062] The weld structure detection and analysis module is based on the detection and analysis of the grain size in each extruded weld of the aluminum alloy profile, and obtains the influence coefficient of the structure in each extruded weld of the aluminum alloy profile. The specific detection and analysis method is as follows:

[0063] The size and number of grains in each extrusion weld of the aluminum alloy profile are detected by an electron microscope probe. The average grain size of each extrusion weld of the aluminum alloy profile is obtained by summing up all the detected grain sizes and dividing by the number of detected grains, which is recorded as JG. According to the grain size obtained by the detection, the standard deviation of the grain size distribution is calculated using the standard deviation calculation formula, which is recorded as JB.

[0064] According to the application scenario of aluminum alloy profiles, the ideal average grain size range and the upper limit of the allowable grain size distribution standard deviation are determined, which are denoted as [JG min ,JG max ] and JB lim ;

[0065] According to the formula

[0066] The organizational structure influence coefficient KZ of each extrusion weld of aluminum alloy profile is calculated.

[0067] The weld defect size detection and analysis module is based on the detection and analysis of the defect size in each extruded weld of the aluminum alloy profile, and obtains the defect size influence coefficient in each extruded weld of the aluminum alloy profile. The specific detection and analysis method is as follows:

[0068] The length, width and height of the defect size in each extruded weld of the aluminum alloy profile are detected and obtained by ultrasonic detection probe and X-ray detection probe, which are recorded as CD1, CD2, CD3, SD1, SD2 and SD3 respectively. The three-dimensional defect size in each extrusion weld of the aluminum alloy profile is calculated, where w1 and w2 represent the weight factors set by the ultrasonic probe and the X-ray detection probe for the defect size detection results respectively;

[0069] According to the load-bearing requirements and defect tolerance standards of aluminum alloy profiles, the maximum allowable defect volume threshold SV is determined max ;

[0070] And the formula The defect size influence coefficient KQ of each extrusion weld of aluminum alloy profile is calculated.

[0071] The profile surface quality detection and analysis module is based on the detection and analysis of the surface parameters of each extrusion weld of the aluminum alloy profile, and obtains the surface influence coefficient of each extrusion weld of the aluminum alloy profile. The specific detection and analysis method is as follows:

[0072] The surface roughness and surface defect density of each extrusion weld of the aluminum alloy profile are detected and obtained by using a surface roughness measuring instrument and a magnetic particle flaw detection probe, which are recorded as Ra and ρs respectively;

[0073] According to the application scenario of aluminum alloy profiles, the maximum allowable surface roughness and the upper limit of surface defect density are determined, which are denoted as Ra max and ρs lim ;

[0074] According to the formula

[0075] Calculate the surface quality influence coefficient KB of each extrusion weld of aluminum alloy profile.

[0076] The profile weld quality assessment module compares and analyzes the organizational structure influence coefficient, defect size influence coefficient and surface quality influence coefficient of each extruded weld of the above aluminum alloy profile, and generates corresponding analysis signals according to the comparative analysis results. The specific comparative analysis method is as follows:

[0077] The threshold of the organizational structure influence coefficient is artificially set according to the application scenario of the aluminum alloy profile. If the value of the organizational structure influence coefficient is less than the threshold, it means that the quality of each extrusion weld corresponding to the aluminum alloy profile is poor in organizational structure, and an unqualified signal is generated and sent to the unqualified marking module to mark the aluminum alloy profile as unqualified. Otherwise, a qualified organizational structure signal is generated to continue the comparative analysis of the defect size influence coefficient.

[0078] The threshold of the defect size influence coefficient is artificially set according to the application scenario of the aluminum alloy profile. If the value of the defect size influence coefficient is less than the threshold, it means that the quality of the corresponding extruded welds of the aluminum alloy profile is poor in terms of defect size, and an unqualified signal is generated and sent to the unqualified marking module to mark the aluminum alloy profile as a unqualified product. Otherwise, a defect size qualified signal is generated to continue the comparative analysis of the surface influence coefficient.

[0079] The threshold of the surface quality influence coefficient is artificially set according to the application scenario of the aluminum alloy profile. If the value of the surface quality influence coefficient is less than the threshold, it means that the quality of the corresponding extrusion welds of the aluminum alloy profile is poor in surface quality. An unqualified signal is generated and sent to the unqualified marking module to mark the aluminum alloy profile as an unqualified product. Otherwise, a qualified surface quality signal is generated to complete the detection and analysis of the extrusion welds of the aluminum alloy profile.

[0080] The detection unqualified marking module performs an unqualified marking operation on the detected aluminum alloy profile based on the unqualified signal generated in the above-mentioned profile weld quality assessment module.

[0081] In a specific embodiment, the present invention calculates and analyzes the organizational structure, defect size and surface quality of the aluminum alloy profile extrusion weld detected by the weld organizational structure detection and analysis module, the weld defect size detection and analysis module, and the profile surface quality detection and analysis module, respectively, to obtain the organizational structure influence coefficient, the defect size influence coefficient and the surface quality influence coefficient. Finally, the profile weld quality evaluation module performs a systematic comparative analysis based on these influence coefficients, judges the weld quality according to a preset threshold, generates a corresponding signal in time, screens out unqualified products, and prevents bad products from entering the subsequent use link, thereby improving the reliability and stability of production quality, and ensuring that the quality of the aluminum alloy profile extrusion weld fully meets the requirements of the application scenario. This comprehensive evaluation process makes full use of the data obtained by the collaborative work of the various structural components of the entire detection equipment, realizes all-round and accurate control of the weld quality, and ensures the safe and reliable application of aluminum alloy profiles in various fields. The unqualified detection marking module marks the unqualified profiles according to the signal of the evaluation module, making the quality control in the production process more efficient and orderly, and closely cooperating with the entire detection process, improving the quality control function system of the detection equipment, and improving production efficiency and product qualification rate.

[0082] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0083] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0084] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0085] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A detection device for aluminum alloy profile extrusion weld, characterized in that: It comprises a fixed detection frame (1), a movable detection frame (2) is movably arranged on one side of the fixed detection frame (1), and moving wheels (3) are fixedly arranged on both sides of the bottom of the fixed detection frame (1) and the movable detection frame (2), and a light shielding cover (8) is also rotatably arranged on one side of the fixed detection frame (1); A clamping unit (9) is provided on one side of the interior of the fixed detection frame (1) and one side of the movable detection frame (2), and a detection unit (17) is also movably provided inside the fixed detection frame (1); The clamping unit (9) comprises a fixed frame (10) and a lifting frame (14); the fixed frame (10) is fixedly arranged on one side of the movable detection frame (2); a plurality of micro electric cylinders (11) are fixedly arranged on the outer peripheral surface of the fixed frame (10); the driving ends of the plurality of micro electric cylinders (11) extend into the interior of the fixed frame (10) and are fixedly arranged with a first clamping plate (12); a servo electric cylinder (13) is fixedly arranged on one side of the interior of the fixed detection frame (1); a lifting frame (14) is fixedly arranged on the top end of the driving shaft of the servo electric cylinder (13); a linear slide rail (15) is fixedly arranged inside the lifting frame (14); and second clamping plates (16) are slidably arranged on both sides of the top of the linear slide rail (15); The detection unit (17) comprises an annular detection frame (18), a bogie (29) is rotatably arranged inside the annular detection frame (18), a plurality of micro-electric cylinders (31) are fixedly arranged inside the bogie (29), and a mounting frame (32) is fixedly arranged at one end of the driving shaft of the plurality of micro-electric cylinders (31), an annular lamp bead (33) is fixedly arranged on the top of the plurality of mounting frames (32), a mounting groove (34) is also arranged inside the plurality of mounting frames (32), and a detection module (35) is movably arranged inside the plurality of mounting grooves (34); It also includes: weld structure detection and analysis module, weld defect size detection and analysis module, profile surface quality detection and analysis module, profile weld quality assessment module and detection unqualified marking module.

2. The aluminum alloy profile extrusion weld detection device according to claim 1, characterized in that: A telescopic frame (4) is fixedly provided on one side of the movable detection frame (2); a telescopic slot (5) matching with the telescopic frame (4) is provided on one side of the fixed detection frame (1) close to the movable detection frame (2); and one side of the telescopic frame (4) is slidably connected inside the telescopic slot (5); a sliding rod (6) is fixedly provided around one side of the movable detection frame (2); a sliding slot (7) matching with the sliding rod (6) is provided around one side of the fixed detection frame (1) close to the movable detection frame (2); and one end of the four sliding rods (6) is slidably connected to the inside of the four sliding slots (7) respectively.

3. The aluminum alloy profile extrusion weld detection device according to claim 1, characterized in that: A plurality of the micro-electric cylinders (11) are arranged at equal angles with respect to the central axis of the fixing frame (10); one side of a plurality of the first clamping plates (12) is respectively designed with an arc surface and a straight surface, and the arc surface and the straight surface are arranged alternately; and one side of a plurality of the first clamping plates (12) and two second clamping plates (16) is provided with a rubber pad.

4. The aluminum alloy profile extrusion weld detection device according to claim 1, characterized in that: The plurality of detection modules (35) include, but are not limited to, an ultrasonic probe, an eddy current probe, and a magnetic particle flaw detection probe, and the annular lamp beads (33) on one side of the plurality of mounting frames (32) are independently controlled by a PLC.

5. The aluminum alloy profile extrusion weld detection device according to claim 1, characterized in that: A control motor (30) is also fixedly provided on one side of the annular detection frame (18); a gear is fixedly provided on the output shaft of the control motor (30); and an external tooth groove is provided on the outer peripheral surface of the bogie (29); the gear provided on the output shaft of the control motor (30) and the external tooth groove on the outer peripheral surface of the bogie (29) are meshed for transmission.

6. The aluminum alloy profile extrusion weld detection device according to claim 1, characterized in that: Fixed guide frames (19) are fixedly arranged on both sides of the inner wall of the fixed detection frame (1), and a movable guide frame (20) is slidably arranged inside the fixed guide frame (19), one end of the movable guide frame (20) is fixedly connected to one side of the movable detection frame (2), a guide groove (21) is arranged inside the fixed guide frame (19) and the movable guide frame (20), and one side of the two guide grooves (21) is provided with an internal tooth groove (22), a guide wheel (23) is rotatably arranged inside the guide groove (21), and a transmission gear (24) is fixedly arranged on one side of the guide wheel (23), and the surface of the transmission gear (24) The surfaces of the two drive gears (24) are respectively meshed with the tooth surfaces of the two inner tooth grooves (22) for transmission, and a drive frame (25) is rotatably arranged on one side of the two transmission gears (24), a guide motor (26) is fixedly arranged on the opposite side of the two drive frames (25), and a drive gear (27) is fixedly arranged on the driving end of the two guide motors (26), and the surfaces of the two drive gears (27) are respectively meshed with the surfaces of the two transmission gears (24) for transmission, and a connecting frame (28) is fixedly arranged on the opposite side of the two drive frames (25), and the opposite sides of the two connecting frames (28) are respectively fixedly connected to the two sides of the annular detection frame (18).

7. The detection device for aluminum alloy profile extrusion weld according to claim 1, characterized in that: The weld structure detection and analysis module is based on the detection and analysis of the grain size in each extruded weld of the aluminum alloy profile, and obtains the structure influence coefficient in each extruded weld of the aluminum alloy profile. The specific detection and analysis method is as follows: The size and number of grains in each extrusion weld of the aluminum alloy profile are detected by an electron microscope probe. The average grain size of each extrusion weld of the aluminum alloy profile is obtained by summing up all the detected grain sizes and dividing by the number of detected grains, which is recorded as JG. According to the grain size obtained by the detection, the standard deviation of the grain size distribution is calculated using the standard deviation calculation formula, which is recorded as JB. According to the application scenario of aluminum alloy profiles, the ideal average grain size range and the upper limit of the allowable grain size distribution standard deviation are determined, which are denoted as [JG min ,JG max ] and JB lim ; According to the formula The organizational structure influence coefficient KZ of each extrusion weld of aluminum alloy profile is calculated.

8. The aluminum alloy profile extrusion weld detection device according to claim 7, characterized in that: The weld defect size detection and analysis module is based on detecting and analyzing the defect size in each extruded weld corresponding to the aluminum alloy profile, and obtains the defect size influence coefficient in each extruded weld corresponding to the aluminum alloy profile. The specific detection and analysis method is as follows: The length, width and height of the defect size in each extruded weld of the aluminum alloy profile are detected and obtained by ultrasonic detection probe and X-ray detection probe, which are recorded as CD1, CD2, CD3, SD1, SD2 and SD3 respectively. Calculate the three-dimensional defect size in each extrusion weld of the aluminum alloy profile, where w1 and w2 are the weight factors set by the ultrasonic probe and the X-ray detection probe for the defect size detection results; According to the load-bearing requirements and defect tolerance standards of aluminum alloy profiles, the maximum allowable defect volume threshold SV is determined max ; And the formula The defect size influence coefficient KQ of each extrusion weld of aluminum alloy profile is calculated.

9. The aluminum alloy profile extrusion weld detection device according to claim 9, characterized in that: The profile surface quality detection and analysis module is based on the detection and analysis of the surface parameters of each extrusion weld of the aluminum alloy profile, and obtains the surface influence coefficient of each extrusion weld of the aluminum alloy profile. The specific detection and analysis method is as follows: The surface roughness and surface defect density of each extrusion weld of the aluminum alloy profile are detected and obtained by using a surface roughness measuring instrument and a magnetic particle flaw detection probe, which are recorded as Ra and ρs respectively; According to the application scenario of aluminum alloy profiles, the maximum allowable surface roughness and the upper limit of surface defect density are determined, which are denoted as Ra max and ρs lim ; According to the formula Calculate the surface quality influence coefficient KB of each extrusion weld of aluminum alloy profile.

10. The aluminum alloy profile extrusion weld detection device according to claim 9, characterized in that: The profile weld quality assessment module performs comparative analysis on the organizational structure influence coefficient, defect size influence coefficient and surface quality influence coefficient in each extruded weld of the above aluminum alloy profile, and generates corresponding analysis signals according to the comparative analysis results. The specific comparative analysis method is as follows: The threshold of the organizational structure influence coefficient is artificially set according to the application scenario of the aluminum alloy profile. If the value of the organizational structure influence coefficient is less than the threshold, it means that the quality of each extrusion weld corresponding to the aluminum alloy profile is poor in organizational structure, and an unqualified signal is generated and sent to the unqualified marking module to mark the aluminum alloy profile as unqualified. Otherwise, a qualified organizational structure signal is generated to continue the comparative analysis of the defect size influence coefficient. The threshold of the defect size influence coefficient is artificially set according to the application scenario of the aluminum alloy profile. If the value of the defect size influence coefficient is less than the threshold, it means that the quality of the corresponding extruded welds of the aluminum alloy profile is poor in terms of defect size, and an unqualified signal is generated and sent to the unqualified marking module to mark the aluminum alloy profile as a unqualified product. Otherwise, a defect size qualified signal is generated to continue the comparative analysis of the surface influence coefficient. The threshold of the surface quality influence coefficient is artificially set according to the application scenario of the aluminum alloy profile. If the value of the surface quality influence coefficient is less than the threshold, it means that the quality of the corresponding extrusion welds of the aluminum alloy profile is poor in surface quality. An unqualified signal is generated and sent to the unqualified marking module to mark the aluminum alloy profile as an unqualified product. Otherwise, a qualified surface quality signal is generated to complete the detection and analysis of the extrusion welds of the aluminum alloy profile.

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