Surface microscopic flaw detection three-axis on-line detection device

Abstract

The invention provides a three-axis online detection device for surface microscopic flaw detection. The detection device comprises a detection platform, an X-axis driving assembly, a Y-axis adjusting assembly, an observation photographing assembly, a quick-mounting clamp and an observation display screen. The observation photographing assembly is adjusted through the X axis, the Y axis and the Z axis, a detected object is quickly and reliably fixed, disassembled and adjusted through the quick-assembly clamp, the high-speed camera photographs and records while the observation photographing assembly performs online observation, and abnormal texture flaw detection defects are photographed and marked while online microscopic observation is performed on the surface of the detected object. Abnormal texture flaw detection defect details are analyzed, then a quality evaluation report is made, the microscopic flaw detection defects on the surface of a detected object are detected online in real time, targeted fine adjustment is conducted, the detection efficiency and accuracy are improved, and therefore the product quality is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of flaw detection, and particularly to a three-axis on-line detection device for surface microscopic flaw detection. Background Art

[0002] With the development of flaw detection technology, people's requirements for the detection of surface microscopic defects that cannot be seen by the naked eye on the material surface are getting higher and higher. Timely mastering the position, size, and shape of defects during the production process can help us promptly discover and handle defects such as scratches and cracks on the material surface, thereby ensuring the quality and safety of products. In existing solutions, most use technologies such as vision, laser, and ultrasound to detect surface defects of objects. However, the detection methods are not targeted enough, and the on-line observation cannot targetedly adjust the object to be measured, resulting in low detection accuracy and detection efficiency. Therefore, in order to ensure the quality of products, it has become a technical problem to be solved currently to conduct on-line microscopic observation of product surface flaw detection while taking pictures and recording, and to quickly clamp, fix, disassemble, and targetedly adjust the object to be measured on three axes. Summary of the Invention

[0003] The present invention provides a three-axis on-line detection device for surface microscopic flaw detection, which is used to solve the technical problem in the prior art that it is impossible to conduct on-line microscopic observation of product surface flaw detection while taking pictures and recording, and to quickly clamp, fix, disassemble, and targetedly adjust the object to be measured on three axes.

[0004] The present invention provides a three-axis on-line detection device for surface microscopic flaw detection, including: a detection platform, an X-axis drive assembly, a Y-axis adjustment assembly, an observation and photographing assembly, a quick-release fixture, and an observation display screen. The X-axis drive assembly is used to drive the observation and photographing assembly to reciprocate on the X-axis. The Y-axis adjustment assembly is used to adjust the observation and photographing assembly on the Y-axis. The observation and photographing assembly is used to adjust the observation and photographing assembly on the Z-axis, observe and photograph the object to be measured, and synchronously present the observation image on the observation display screen. The quick-release fixture is used to fix, disassemble, and adjust the object to be measured. The observation and photographing assembly is threadedly connected to the fixing plate of the Y-axis adjustment assembly. The X-axis adjustment assembly is sleeved and connected to the X-axis drive connection plate. The X-axis drive connection plate is threadedly connected to the Y-axis adjustment assembly. The quick-release fixture is sleeved and connected to the bracket of the detection platform.

[0005] Optionally, the X-axis drive assembly includes a motor, a speed reducer, a coupling, a lead screw seat, a lead screw, an X-axis drive connector, and a speed sensor; the Y-axis adjustment assembly includes a base plate, a hand crank, a locking block, a lead screw, a lead screw nut, a guide rail, and a fixing plate; the observation and photographing assembly includes a hand-operated lifting assembly, a vertical rod, an observation and photographing unit, a light compensator, an auxiliary positioning rod, a locking plate, and a base plate; the quick-release fixture includes a quick-release locking bolt, a pressure plate, a guide shaft, a return spring, a turning shaft, an adjustment screw, a locking block, and an angle adjustment block.

[0006] Optionally, the observation and photographing unit includes a high-speed camera that takes pictures of the object to be measured and adjusts the photographing frequency of the high-speed camera according to the detection requirements.

[0007] Optionally, it further includes a control terminal that is used to control the start and pause of the X-axis drive assembly and control the observation and photographing assembly to reciprocate on the X-axis at a predetermined speed to perform inspection and observation and photographing of the object to be measured.

[0008] Optionally, the control terminal includes a marking module and a quality evaluation module. When an abnormal point is observed on the observation display screen, the X-axis drive assembly is paused, and the marking module marks the abnormal point; the quality evaluation module analyzes all the marked abnormal points to generate a quality evaluation report.

[0009] Optionally, the control terminal further includes a matching module: the matching module is used to match the observation image on the observation display screen with the flaw detection defect database. If the match is successful, it is determined as an abnormal point, and the X-axis drive assembly is automatically paused; the quality evaluation module is used to identify the flaw detection defects of the abnormal points based on the flaw detection defect database and generate a quality evaluation report according to the identification results.

[0010] Optionally, the quick-release fixture is used to perform preliminary positioning and fix the object to be measured on the bracket according to the size of the object to be measured; adjust the clamping position of the object to be measured according to the inspection results, and finely adjust the object to be measured so that the detection surface is perpendicular to the observation axis.

[0011] Optionally, the X-axis drive assembly further includes a speed sensor that is used to detect the speed of the observation and photographing assembly reciprocating on the X-axis and transmit the speed of the observation and photographing assembly to the control terminal.

[0012] Optionally, the observation and photographing assembly is used to further observe the flaw detection defects of the abnormal points by adjusting the observation magnification according to the detection requirements after the X-axis drive assembly pauses, and take pictures of the abnormal points after adjusting the observation magnification.

[0013] Optionally, the quick-release fixture is used to finely adjust the object to be measured according to the position, size, and shape of the flaw detection defect, and adjust the angle of the object to be measured according to the detection requirements.

[0014] As can be seen from the above technical solution, the present invention provides a three-axis on-line detection device for surface micro flaw detection. The detection device includes: a detection platform, an X-axis drive assembly, a Y-axis adjustment assembly, an observation and photographing assembly, a quick-release fixture, and an observation display screen. The observation and photographing assembly is adjusted through the X-axis, Y-axis, and Z-axis. The quick-release fixture quickly and reliably fixes, disassembles, and adjusts the object to be measured. While the observation and photographing assembly performs on-line observation, the high-speed camera takes pictures and records. During the on-line micro-observation of the surface of the object to be measured, abnormal texture flaw detection is photographed and marked, and the details of the abnormal texture flaw detection are analyzed to make a quality evaluation report. The surface micro flaw of the object to be measured is detected in real time on-line and targeted fine-tuning is performed to improve the detection efficiency and accuracy, thereby improving the product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 FIG. is a schematic structural diagram of a three-axis on-line detection device for surface micro flaw detection provided by an embodiment of the present invention; Figure 2 FIG. is a schematic structural diagram of a detection platform provided by an embodiment of the present invention; Figure 3 FIG. is a schematic structural diagram of an X-axis drive assembly provided by an embodiment of the present invention; Figure 4 FIG. is a schematic structural diagram of a Y-axis drive assembly provided by an embodiment of the present invention; Figure 5 FIG. is a schematic structural diagram of an observation and photographing assembly provided by an embodiment of the present invention; Figure 6 FIG. is a schematic structural diagram of a quick-release fixture provided by an embodiment of the present invention; Figure 7 FIG. is a schematic structural diagram of a control terminal provided by an embodiment of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0017] Figure 1 FIG. shows a schematic structural diagram of a three-axis on-line detection device for surface micro flaw detection provided by an embodiment of the present invention. As Figure 1 shown, the three-axis on-line detection device for surface micro flaw detection in this embodiment includes: a detection platform 11, an X-axis drive assembly 12, a Y-axis adjustment assembly 13, an observation and photographing assembly 14, a quick-release fixture 15, an electrical cabinet 16, and an observation display screen 17.

[0018] The X-axis drive assembly 12, Y-axis adjustment assembly 13, observation and photographing assembly 14, quick-release fixture 15, electrical cabinet 16, and observation display screen 17 are installed on the detection platform 11; the X-axis drive assembly 12 drives the observation and photographing assembly to reciprocate on the X-axis; the Y-axis adjustment assembly 13 adjusts the observation and photographing assembly on the Y-axis; the observation and photographing assembly 14 adjusts the observation position on the Z-axis, observes and photographs the object to be measured, and synchronously presents the observed image on the observation display screen 17; the quick-release fixture 15 fixes, disassembles, and adjusts the object to be measured; the electrical cabinet 16 provides power for the X-axis drive assembly 12, observation and photographing assembly 14, and observation display screen 17. The observation and photographing assembly is threadedly connected to the fixed plate of the Y-axis adjustment assembly, the X-axis adjustment assembly is sleeved and connected to the X-axis drive connecting plate, the X-axis drive connecting plate is threadedly connected to the Y-axis adjustment assembly, the quick-release fixture is sleeved and connected to the bracket of the detection platform, and the electrical cabinet 16 is placed on the left rack of the detection platform 11.

[0019] Figure 2 The structural schematic diagram of the detection platform provided by an embodiment of the present invention is shown. As Figure 2 shown, the detection platform of this embodiment includes a bracket 21, a frame 22, and a large plate 23. The quick-release fixture is fixed on the bracket 21 and is used for clamping, fixing, disassembling, and adjusting the object to be measured. The object to be measured includes key plate types and pipe types. According to the dimensions of the plate types and pipe types, such as length, width, thickness, etc., the quick-release fixture is initially positioned to determine the fixed position of the quick-release fixture on the bracket 21. After the quick-release fixture is fixedly installed on the bracket, the quick-release fixture clamps the plate type or pipe type to fix the object to be measured. The plane parallel to the large plate 23 is the detection surface. In the detection surface, the direction parallel to the bracket 21 is the X-axis, the direction perpendicular to the bracket 21 is the Y-axis, and the direction perpendicular to the large plate 23 is the Z-axis.

[0020] Figure 3 The structural schematic diagram of the X-axis drive assembly provided by an embodiment of the present invention is shown. As Figure 3As shown in the figure, the X-axis drive assembly of this embodiment includes a motor 31, a speed reducer 32, a coupling 33, a lead screw base 34, a lead screw 35, an X-axis drive connection plate 36, and a speed sensor 37. The motor 31 can convert electrical energy into mechanical energy, and the speed reducer 32 can convert the power output of high speed and low torque into the power output of low speed and high torque, improving the power conversion efficiency. The output shaft of the speed reducer 32 is connected to the lead screw base 34 and the lead screw 35 through the coupling 33, and the coupling 33 plays a buffering role. The lead screw 35 converts the torque output by the motor 31 into an axial reciprocating force, converts the rotational motion into a linear motion, drives the X-axis drive connector 36 to reciprocate on the X-axis, and the X-axis drive connection plate 36 drives the observation and photographing assembly to reciprocate on the X-axis. The speed sensor 37 is installed on the X-axis drive connection plate 36, detects the speed of the observation and photographing assembly reciprocating on the X-axis, converts the speed of the observation and photographing assembly into an electrical signal, and transmits the electrical signal to the control terminal.

[0021] Figure 4 The structural schematic diagram of the Y-axis drive assembly provided by an embodiment of the present invention is shown, as Figure 4 As shown in the figure, the Y-axis drive assembly of this embodiment includes a base plate 41, a hand crank 42, a locking block 43, a lead screw 44, a lead screw nut 45, a guide rail 46, a fixing plate 47, and an X-axis drive connection plate 48. The guide rail 46 and the X-axis drive connection plate 48 are fixedly installed on the base plate 41, and the lead screw 44 is fixed on the base plate 41 through the locking block 43. When the hand crank 42 is manually rotated, the lead screw 44 will not move. The lead screw 44 converts the torque output by the hand crank 42 into an axial reciprocating force, converts the rotational motion into a linear motion, drives the lead screw nut 45 to reciprocate on the lead screw 44, and the lead screw nut 45 drives the fixing plate 47 to reciprocate on the guide rail 46, thereby driving the observation and photographing assembly on the fixing plate 47 to reciprocate on the Y-axis, adjusting the position of the object to be measured on the Y-axis. One end of the X-axis drive connection plate 48 is fixedly installed on the base plate 41, and the other end is sleeved and connected to the X-axis lead screw. The fixing plate 47 is driven to reciprocate on the X-axis and the Y-axis through the X-axis drive connection plate 48, and the observation and photographing assembly is controlled to reciprocate on the X-axis and the Y-axis.

[0022] Figure 5 The structural schematic diagram of the observation and photographing assembly provided by an embodiment of the present invention is shown, as Figure 5As shown in the figure, the observation and photographing assembly of this embodiment includes: a hand-cranked lifting unit 51, a vertical rod 52, an observation and photographing unit 53, a fill light 54, an auxiliary positioning rod 55, a locking plate 56, and a bottom plate 57. The observation and photographing assembly is nut-connected to the fixing plate of the Y-axis drive assembly through the bottom plate 57. The locking plate 56 locks and connects the vertical rod 52 to the bottom plate 57. The hand-cranked lifting unit 51 and the auxiliary positioning rod 55 are sleeved and connected to the vertical rod 52. The hand-cranked lifting unit 51 is welded to the side of the observation and photographing unit 53. A fill light 54 is fixed to the lower part of the observation and photographing unit 53. The auxiliary positioning rod 55 includes two metal rods, which are thread-connected to the cross bar and the installation position can be changed according to the size of the object to be measured. The hand-cranked lifting unit 51 can adjust the observation and photographing unit 53 in the Z-axis direction so that the detection surface is presented on the observation display screen. The fill light 54 provides fill light during the observation and photographing process. The auxiliary positioning rod 55 fixes the object to be measured to further position the observation and photographing assembly.

[0023] The observation and photographing unit 53 integrates observation and high-speed camera photographing. While observing, the high-speed camera takes pictures and records. The high-speed camera includes a digital industrial camera, which has high image stability, high transmission ability, and high anti-interference ability. The high-speed camera takes pictures of the object to be measured, and the photographing frequency of the high-speed camera can be adjusted according to the detection requirements. For example, for plates with higher requirements for detection quality, the photographing frequency of the high-speed camera can be increased accordingly. For plates with not too high requirements for detection quality, the photographing frequency of the high-speed camera can be decreased accordingly. When an abnormal point is observed on the observation display screen, the X-axis drive assembly is paused. According to the detection requirements, the observation magnification of the observation and photographing unit 53 is adjusted to further observe the flaw detection defect of the abnormal point. During the detection process, if a flaw detection defect of the object to be measured is displayed on the observation display screen, the X-axis drive assembly is paused, the observation magnification is increased to further observe the defect of the abnormal point, and the abnormal point defect after adjusting the observation magnification is photographed. For uncertain defects, the observation magnification can be repeatedly adjusted for repeated observation. If necessary, the clamping position of the object to be measured can be finely adjusted and key photographed.

[0024] Figure 6 The structural schematic diagram of the quick-release fixture provided by an embodiment of the present invention is shown, as Figure 6 As shown in the figure, the quick-release fixture of this embodiment includes: a quick-release locking bolt 61, a pressing plate 62, a guide shaft 63, a restoring spring 64, a turning shaft 65, an adjusting screw 66, a locking block 67, and an angle adjusting block 68.

[0025] The guiding shaft 63 connects the upper pressing plate and the lower pressing plate of the pressing plate 62. The restoring spring 64 is threadedly connected to the outer ring of the guiding shaft 63. Two quick-release locking bolts 61 are fixedly installed at both ends of the pressing plate. The nut of the quick-release locking bolt 61 has a trapezoidal protrusion, which slides and cooperates with the guiding shaft 63 and the restoring spring 64 in the semi-circular groove of the upper pressing plate to fix the distance between the upper pressing plate and the lower pressing plate. If the trapezoidal protrusion slides into the semi-circular groove, the restoring spring 64 contracts, and the upper pressing plate and the lower pressing plate are pressed together to fix the object to be measured; if the trapezoidal protrusion slides out of the semi-circular groove, the restoring spring 64 resumes, and the distance between the upper pressing plate and the lower pressing plate increases to disassemble the object to be measured. The opening and closing of the pressing plate 62 are controlled by the quick-release locking bolt 61, the restoring spring 64 and the guiding shaft 63 to fix and disassemble the object to be measured.

[0026] The adjusting screw 66 is installed on the side of the lower pressing plate to finely adjust the object to be measured. The axis of the turning shaft 65 passes through the lower pressing plate. By rotating around the axis, the clamping component of the quick-release fixture connected thereto can be driven to complete up-and-down, left-and-right or a certain-angle turning motion. The adjusting screw 66 and the turning shaft 65 cooperate to finely adjust the clamping component of the quick-release fixture, thereby finely adjusting the object to be measured. During the detection process, the object to be measured is adjusted by rotating the adjusting screw 66 so that the detection surface is perpendicular to the observation axis. After an abnormal point is observed, the object to be measured is finely adjusted according to the position, size and shape of the flaw detection defect in the observation display screen. The observation and photographing component observes the defect at a more accurate angle and the picture is clearer. After the observation of the abnormal point is completed, the quick-release fixture is restored to its original state and the observation and photographing component continues to detect the object to be measured along the X-axis.

[0027] The angle adjustment block 68 is connected to the clamping component of the quick-release fixture through the locking block 67. When the angle adjustment block 68 is manually shaken, the clamping component of the quick-release fixture will not move. For pipe-shaped and plate-shaped objects to be measured, generally there are at least four surfaces. After detecting the microscopic flaw detection defect on one surface, without disassembling the object to be measured, the angle adjustment block 68 can be rotated according to the detection requirement to adjust the angle of the quick-release fixture, so as to detect the other surface of the object to be measured until the microscopic defects on all surfaces are detected.

[0028] Before the detection starts, according to the size of the object to be measured, such as size, thickness, shape, etc., perform preliminary positioning on the bracket to determine the position of the quick-release fixture's collet on the bracket and clamp and fix the object to be measured. After the quick-release fixture clamps the object to be measured, the axis of the observation and photographing component is the observation axis. The X-axis drive component drives the observation and photographing component to move from one end of the object to be measured to the other end at a set speed for a patrol. According to the patrol result, the clamping position of the object to be measured is finely adjusted and fixed, and the quick-release fixture is finely adjusted so that the detection surface of the object to be measured is perpendicular to the observation axis. The observation and photographing component vertically observes the detection surface to improve the detection clarity and accuracy.

[0029] Figure 7 The structural schematic diagram of the control terminal provided by an embodiment of the present invention is shown, as Figure 7As shown in the figure, the control terminal of this embodiment includes: a marking module 71, a matching module 72, and a quality evaluation module 73. The control terminal controls the start or pause of the X-axis drive assembly. After detecting an abnormal point, it pauses the motor of the X-axis drive assembly to pause the observation and photographing assembly. After the detection of the abnormal point is completed, it starts the motor of the X-axis drive assembly to start the observation and photographing assembly. According to the speed of the observation and photographing assembly fed back by the speed sensor and the set speed, it adjusts the output power of the motor of the X-axis drive assembly, so that the observation and photographing assembly reciprocates on the X-axis at the set speed, thereby performing inspection and observation and photographing on the object to be measured.

[0030] If an abnormal point of the object to be measured is observed on the observation display screen, the X-axis drive assembly is manually or automatically controlled to pause. The motor of the X-axis drive assembly can be manually turned off or automatically turned off by the control terminal. The marking module 71 marks the pause point and marks the position of the abnormal point of the object to be measured. It can be marked on the photo taken at the abnormal point, automatically marked in the document, or manually marked; the quality evaluation module 73 further analyzes the details of all abnormal points and makes a quality evaluation report. Based on the quality evaluation report, it decides whether to discard or repair the object to be measured; the matching module 72 matches the observed image of the object to be measured on the observation display screen with the flaw detection defect database. If the match is successful, it is determined that there is a flaw detection defect, and the observation and photographing assembly is automatically paused. Among them, the flaw detection defect database includes flaw detection defect data sets for plates and pipes. The flaw detection defect category and size can be marked in the database, and the size of the flaw detection defect when it will be considered a successful match can be set. After the detection is completed, the detected flaw detection defect type can be updated to the defect database; the quality evaluation module 73 identifies the flaw detection defect of the abnormal point based on the flaw detection defect database and automatically makes a quality evaluation report according to the identification result. It can automatically count and analyze the number of defects of the object to be measured to make a decision on whether to discard or repair it later.

[0031] In a specific embodiment, the quick-release fixture is initially positioned according to the size of the object to be measured and the object to be measured is fixed; the Y-axis is operated to move the observation and photographing assembly along the Y-axis. When the observation and photographing assembly is above the observation axis, the operation of the Y-axis is stopped; the Z-axis is adjusted to move the observation and photographing assembly along the Z-axis. The observation component in the observation and photographing assembly displays the observed image in real time on the observation display screen. When the image of the detection surface of the object to be measured is clearly presented on the observation display screen, the adjustment of the Z-axis is stopped; the X-axis is controlled to drive the observation and photographing assembly to move from one end of the object to be measured to the other end at the set speed for a patrol inspection. According to the patrol inspection result, the clamping position of the object to be measured is finely adjusted and fixed, and the quick-release fixture is finely adjusted so that the detection surface of the object to be measured is perpendicular to the observation axis, and the observation and photographing assembly vertically observes the detection surface to improve the detection clarity and accuracy.

[0032] After the inspection is completed, enter the detection stage. Control the X-axis drive observation and photographing component to move from one end of the object to be measured to the other end at a set speed, observe and photograph the object to be measured, and synchronously present the observed image on the observation display screen. If an abnormal point is observed on the observation display screen, control the X-axis to pause the observation and photographing component. After the observation and photographing component pauses, further observe the flaw detection defect of the abnormal point and mark the abnormal point. For example, mark point A, and at the same time save the photo taken at point A.

[0033] After the detection of the object to be measured from the first end to the second end of the X-axis is completed, adjust the clamping angle of the quick-release fixture. The object to be measured returns from the second end of the X-axis to the first end to detect the other side of the object to be measured until all sides of the object to be measured are detected. Combine the photographed photos to further analyze the details of all abnormal points. On the basis of the preliminary observation, further analyze the flaw detection defect types, sizes, and shapes of all abnormal points, and make a quality evaluation report. Then, based on the quality evaluation report, decide whether to discard or repair the object to be measured. At the same time, operate the quick-release fixture to quickly disassemble the object to be measured.

[0034] It should be noted that the above embodiments are used to illustrate the present invention rather than to limit the present invention, and those skilled in the art can design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in the claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The present invention can be implemented by means of hardware including several different elements and by means of a suitably programmed computer. In the unit claims listing several devices, several of these devices may be embodied by the same hardware item. The use of the words first, second, and third, etc. does not denote any order. These words can be interpreted as names.

[0035] Those of ordinary skill in the art can understand that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope defined by the claims of the present invention.

Claims

1. A three-axis online detection device for surface microscopic flaw detection, comprising a detection platform and an electric cabinet, characterized in that: Also includes: X-axis drive assembly, Y-axis adjustment assembly, observation camera assembly, quick-release fixture and observation display screen, The X-axis driving assembly is used to drive the observation and photographing assembly to reciprocate on the X-axis; The Y-axis adjustment component is used to adjust the observation and photography component on the Y-axis; The observation and photographing component is used to adjust the observation and photographing position on the Z axis, observe and photograph the object to be measured, and synchronously present the observed image on the observation display screen; The quick-release fixture is used to fix, disassemble and adjust the object to be measured; The observation and photographing assembly is threadedly connected to the fixed plate of the Y-axis adjustment assembly, the X-axis adjustment assembly is connected to the X-axis drive connecting plate by a sleeve, the X-axis drive connecting plate is threadedly connected to the Y-axis adjustment assembly, and the quick-release clamp is connected to the bracket of the detection platform by a sleeve.

2. The surface microscopic flaw detection triaxial online detection device according to claim 1 is characterized in that: Also includes: The X-axis drive assembly includes a motor, a reducer, a coupling, a screw seat, a screw, an X-axis drive connector and a speed sensor; The Y-axis adjustment assembly includes a base plate, a hand crank, a locking block, a lead screw, a lead screw nut, a guide rail and a fixing plate; The observation and photography assembly includes a hand-cranked lifting assembly, a vertical pole, an observation and photography unit, a fill light, an auxiliary positioning rod, a locking plate and a bottom plate; The quick-install fixture comprises a quick-release locking bolt, a pressure plate, a guide shaft, a restoring spring, a flip shaft, an adjusting screw, a locking block and an angle adjustment block.

3. The surface microscopic flaw detection triaxial online detection device according to claim 2 is characterized in that: The observation and photographing unit includes a high-speed camera, which takes photos of the object to be measured, and the photographing frequency of the high-speed camera is adjusted according to the detection requirements.

4. The surface microscopic flaw detection triaxial online detection device according to claim 1 is characterized in that: Also includes a control terminal, The control terminal is used to control the start or pause of the X-axis driving component, and control the observation and photography component to reciprocate on the X-axis at a predetermined speed to inspect and observe and photograph the object to be measured.

5. The surface microscopic flaw detection triaxial online detection device according to claim 4 is characterized in that: The control terminal includes a marking module and a quality evaluation module. When an abnormal point is observed in the observation display screen, the X-axis driving component is paused, and the marking module marks the abnormal point; The quality evaluation module analyzes all the marked abnormal points and produces a quality evaluation report.

6. The surface microscopic flaw detection triaxial online detection device according to claim 5 is characterized in that: The control terminal also includes a matching module: The matching module is used to match the observation image in the observation display screen with the flaw detection defect database. If the match is successful, it is judged as an abnormal point and the X-axis drive component is automatically paused; The quality evaluation module is used to identify the flaw detection defects of the abnormal points based on the flaw detection defect database, and to make a quality evaluation report according to the identification results.

7. The surface microscopic flaw detection triaxial online detection device according to claim 2 is characterized in that: Also includes: The quick-release fixture is used to initially position the object to be measured on the bracket according to the size of the object to be measured and to fix the object to be measured; The clamping position of the object to be measured is adjusted according to the inspection result, and the object to be measured is fine-tuned so that the detection surface is perpendicular to the observation axis.

8. The surface microscopic flaw detection triaxial online detection device according to claim 4 is characterized in that: The X-axis drive assembly also includes a speed sensor, The speed sensor is used to detect the reciprocating speed of the observation and photography component on the X-axis, and transmit the speed of the observation and photography component to the control terminal.

9. The surface microscopic flaw detection triaxial online detection device according to claim 5, characterized in that: Also includes: The observation and photographing component is used to adjust the observation magnification according to the detection requirements after the X-axis driving component is paused to further observe the flaw detection defects of the abnormal points, and take pictures of the abnormal points after the observation magnification is adjusted.

10. The surface microscopic flaw detection triaxial online detection device according to claim 2, characterized in that: Also includes: The quick-release fixture is used to make micro-adjustments to the object to be tested according to the position, size and shape of the flaw to be detected, and to make angle adjustments to the object to be tested according to detection requirements.

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