Automatic detection device for lens surface defects of laser cutting machine
By designing an automatic detection device for surface defects of laser cutting machine lenses, and using active light sources and camera components for automated detection, the problem of subjectivity and low efficiency of human eye detection in the prior art is solved, and high-precision and fast lens defects are achieved Test.
Patent Information
- Application Number
- CN202421010041.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-05-10
AI Technical Summary
The existing laser cutting machine lens surface defect detection technology relies on human eye observation, and there are problems such as subjective judgment, low detection accuracy, slow speed and increasing the risk of secondary contamination of the lens.
Design an automatic detection device for surface defects of laser cutting machine lenses, including a base, a core control module, a clamping assembly, a camera assembly and an active light source. The lens surface is illuminated by an active light source, and the lens image is acquired from multiple angles using the camera assembly, and the core control module performs image preprocessing and defect detection.
Automatic detection of surface defects of laser cutting machine lenses is realized, the detection accuracy and speed are improved, and the subjectivity of manual detection and the risk of secondary pollution are reduced.
Smart Images
Figure CN222529254U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of laser cutting, and in particular to an automatic detection device for surface defects of a laser cutting machine lens. Background Art
[0002] In recent years, with the gradual increase in the power of fiber lasers, the requirements for the surface finish of lenses in the laser head light processing process are getting higher and higher. Before the laser cutting machine lens is installed, if the lens with surface defects is not discovered in time, it will affect the cutting quality of the laser cutting machine during operation, or even cause the internal lens of the laser head to burst due to uneven heat distribution, and even cause the laser head to be damaged as a whole, and cause collateral damage to the laser. If the lens with surface defects can be detected in time before the laser cutting machine lens is installed, and the lens inspection personnel are reminded to detect the unqualified lenses to prevent unqualified lenses from entering the assembly workshop, the product quality of the laser head can be greatly improved, and the losses caused by defects on the lens surface during the cutting operation of the laser cutting machine can also be reduced.
[0003] At present, the mainstream technology on the market for detecting surface defects of various lenses of laser cutting machines is to arrange professionals in a high-cleanliness workshop, use a strong flashlight to illuminate the lens to be inspected on one side, and observe it with the naked eye on the other side. After completing the single-sided inspection of the lens, it needs to be manually turned over, and the other side is inspected in the same way. Rely on their own inspection experience to judge whether the current lens meets the installation standards. However, this method often requires high inspection experience of lens inspectors, and will add subjective judgments of inspectors, which is prone to inconsistent judgments by different inspectors. With the improvement of lens inspection accuracy, the human eye can no longer meet the inspection requirements, and the human eye looking directly at strong light will cause certain damage to the inspector's eyes. Secondly, the use of this technology for lens surface defect detection will increase the risk of secondary contamination of the lens, and the manual inspection speed is slow, which neither meets the needs of efficient production nor the needs of automated workshop construction. Utility Model Content
[0004] In order to solve the above problems, the present application proposes an automatic detection device for surface defects of laser cutting machine lenses, comprising: a base, a core control module, a clamping assembly, a camera assembly, and an active light source; the core control module is connected to the camera assembly for controlling the camera assembly; the active light source is arranged on the base for emitting active detection light and irradiating the active detection light on the surface of the lens to be inspected; the clamping assembly is connected to the base for fixing the camera assembly and the lens to be inspected; the camera assembly is used to obtain images of the lens to be inspected from multiple angles.
[0005] In one example, the camera assembly includes a first industrial camera, a first industrial lens, a second industrial camera and a second industrial lens; the first industrial camera is connected to the first industrial lens; the second industrial camera is connected to the second industrial lens; the first industrial lens faces the upper surface of the lens to be inspected, and the second industrial lens faces the side of the lens to be inspected.
[0006] In one example, the clamping assembly includes: a first bracket, a second bracket, and a lens clamping device; the first bracket and the second bracket are both arranged on the base, and the lens clamping device is arranged on the first bracket; the lens clamping device is used to fix the lens to be inspected.
[0007] In one example, the first industrial camera is disposed on a first bracket, and the second industrial camera is disposed on a second bracket.
[0008] In one example, the automatic detection device also includes: a first sliding mechanism, which is arranged between the first industrial camera and the first bracket, and the first sliding mechanism can slide along the first bracket; a first drive motor, which is connected to the first sliding mechanism and the core control module, and is used to drive the first sliding mechanism to move on the first bracket.
[0009] In one example, the automatic detection device also includes: a second sliding mechanism, which is arranged between the lens clamping device and the first bracket, and the second sliding mechanism can slide along the first bracket; a second drive motor, which is connected to the second sliding mechanism and the core control module, and is used to drive the second sliding mechanism to move on the first bracket.
[0010] In one example, the active light source is coaxial with the lens to be inspected, the first industrial camera, and the first industrial lens.
[0011] In one example, the automatic detection device also includes: a display screen connected to the core control module, the display screen is used to interact with a user to send control instructions to the core control module; the display screen is also used to receive and display image data sent by the core control module.
[0012] In one example, the active light source is provided with multiple layers of light-emitting lamp beads arranged in a trumpet shape.
[0013] In one example, the angle between the light emitting lamp bead and the plane where the lens to be inspected is located is between 15° and 75°.
[0014] In one example, the lens to be inspected includes at least one of an upper protective mirror, a lower protective mirror, a focusing mirror, and a collimating mirror; the lens surface shape of the lens to be inspected includes at least one of a plane mirror, a plano-convex mirror, a meniscus mirror, a biconvex mirror, and an aspherical mirror.
[0015] In one example, the core control module is connected to the active light source and is used to control the on and off of the active light source.
[0016] The method proposed in this application can bring the following beneficial effects:
[0017] 1. By irradiating the lens with active light, using the camera to capture the lens image, extracting the features and contours of the lens surface defects, marking the size of the lens surface defects, and inferring whether there are defects on the lens surface.
[0018] 2. Through the automatic detection technology of lens surface defects in this application, it is possible to detect various types of surface laser cutting machine lenses such as plane mirrors, plano-convex mirrors, meniscus mirrors, biconvex mirrors, aspherical mirrors, etc.
[0019] 3. Through this application, lens holding devices of multiple sizes are combined into a package, which can cover the detection of laser cutting machine lenses of different sizes such as diameter, thickness, etc.
[0020] 4. Through this application, the size information and model information of the detected lens are automatically recorded and automatically matched and recorded with the detection results of the surface defects of the lens, so as to facilitate the tracing of the lens information later.
[0021] 5. This application effectively solves the existing problems of lens surface defect detection, and has the characteristics of high recognition rate, fast detection speed, and comprehensive defect detection.
[0022] 6. Through the automatic detection technology of lens surface defects in this application, there is no risk of secondary contamination to the laser cutting machine lens. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:
[0024] Figure 1 This is a schematic diagram of an automatic detection device for surface defects of a laser cutting machine lens in an embodiment of the present application;
[0025] Figure 2 This is a module schematic diagram of an automatic detection device for surface defects of a laser cutting machine lens in an embodiment of the present application.
[0026] Among them, 1. the first industrial camera; 2. the first industrial lens; 3. the active light source; 4. the lens to be inspected; 5. the lens clamping device; 6. the first bracket; 7. the first sliding mechanism; 8. the second sliding mechanism; 9. the core control module; 10. the first drive motor; 11. the second drive motor; 12. the second industrial lens; 13. the second industrial camera; 14. the second bracket; 15. the display screen. DETAILED DESCRIPTION
[0027] In order to more clearly illustrate the overall concept of the present application, a detailed description is given below in an illustrative manner in conjunction with the accompanying drawings.
[0028] The terms "first", "second", etc. in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the order used in this way can be interchanged where appropriate, so that the embodiments of the utility model described herein can be implemented in an order other than those illustrated or described herein.
[0029] In addition, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, product, or apparatus that includes a series of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not explicitly listed or inherent to such process, method, product, or apparatus.
[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0031] like Figure 1 and Figure 2 As shown, the embodiment of the present application provides an automatic detection device for surface defects of a laser cutting machine lens, comprising:
[0032] Base, core control module 9, clamping assembly, camera assembly, active light source 3; wherein the core control module 9 is connected to the camera assembly, and is used to control the camera assembly to collect the surface image of the lens to be inspected 4; the active light source 3 is arranged on the base, and is used to emit active detection light, and irradiate the active detection light on the surface of the lens to be inspected 4. The clamping assembly is connected to the base, and is used to fix the camera assembly and the lens to be inspected 4; the camera assembly is used to obtain the image of the lens to be inspected 4 from multiple angles.
[0033] In one embodiment, the camera assembly includes a first industrial camera 1, a first industrial lens 2, a second industrial camera 13 and a second industrial lens 12, the first industrial camera 1 is connected to the first industrial lens 2, the second industrial camera 13 is connected to the second industrial lens 12, the first industrial lens 2 faces the upper surface of the lens 4 to be inspected, and the second industrial lens 12 faces the side of the lens 4 to be inspected; the clamping assembly includes: a first bracket 6, a second bracket 14, and a lens clamping device 5; the first bracket 6 and the second bracket 14 are both arranged on the base, and the lens clamping device 5 is arranged on the first bracket 6; the lens clamping device 5 is used to fix the lens 4 to be inspected, the first industrial camera 1 is arranged on the first bracket 6, and the second industrial camera 13 is arranged on the second bracket 14.
[0034] In one embodiment, in order to detect lenses of different sizes, a first sliding mechanism 7 and a first driving motor 10 may be provided to adjust the distance between the first industrial camera 1 and the lens 4 to be inspected. Specifically, the first sliding mechanism 7 is provided between the first industrial camera 1 and the first bracket 6, and the first sliding mechanism 7 can slide along the first bracket 6; the first driving motor 10 is connected to the first sliding mechanism 7 and the core control module 9, and is used to drive the first sliding mechanism 7 to move on the first bracket 6.
[0035] In one embodiment, in addition to enabling the first industrial camera 1 to move along the first bracket 6, the lens to be inspected 4 can also be moved to adjust the distance between the lens to be inspected 4 and the first industrial camera 1. Specifically, a second sliding mechanism 8 and a second drive motor 11 can be provided, wherein the second sliding mechanism 8 is provided between the lens clamping device 5 and the first bracket 6, and the second sliding mechanism 8 can slide along the first bracket 6. The second drive motor 11 is connected to the second sliding mechanism 8 and the core control module 9, and is used to drive the second sliding mechanism 8 to move on the first bracket 6.
[0036] In one embodiment, the active light source 3 needs to be coaxial with the lens to be inspected 4 , the first industrial camera 1 , and the first industrial lens 2 .
[0037] In one embodiment, in order to facilitate user interaction and viewing of detection results, a display screen 15 connected to the core control module 9 may also be provided, and the display screen 15 is used to interact with the user to send control instructions to the core control module 9; the display screen 15 here is also used to receive and display image data sent by the core control module 9.
[0038] When the lens 4 to be inspected is inspected by the automatic inspection device, the automatic inspection device includes a first industrial camera 1 and a second industrial camera 13. The cameras are not limited to CCD cameras and CMOS cameras. The camera resolution is 2 million to 40 million. The first industrial camera 1 and the second industrial camera 13 are connected to the core control module 9 via a high-flexible network cable for data transmission and power supply. Figure 1 The core control module is arranged in the base, but can also be arranged in other positions. The first industrial camera 1 is fixedly mounted on the first sliding mechanism 7 , and the second industrial camera 13 is fixedly mounted on the top of the second bracket 14 .
[0039] The first industrial lens 2 and the second industrial lens 12 are not limited to fixed-focus lenses, zoom lenses, and liquid lenses; they are not limited to lens adapters, polarizers, and color filters; the lens focal length is 8mm-50mm; the first industrial lens 2 is fixedly installed below the first industrial camera 1, and the second industrial lens 12 is fixedly installed below the second industrial camera 13.
[0040] The active light source 3 is used to emit active detection light to illuminate the surface of the lens to be tested; the light source can be but not limited to strip light, backlight, ring light, quadrilateral light, bowl light; it is not limited to the use of a diffuser; the light beads inside the light source can be but not limited to 2-5 layers arranged in a trumpet shape, and the angle between the lamp beads and the plane where the lens to be tested 4 is located can be but not limited to 15°-75°; the active light source 3 is connected to the core control module 9 through a wire for switch control and power supply, and is fixedly installed on the top of the shell of the core control module 9, that is, the top of the base.
[0041] The lens to be tested 4 can be, but is not limited to, any one of the upper protective mirror, lower protective mirror, focusing mirror, and collimating mirror commonly used in laser cutting machines; the surface shape of the lens to be tested can be, but is not limited to, a plane mirror, a plano-convex mirror, a meniscus mirror, a biconvex mirror, and an aspheric mirror; the thickness of the lens to be tested can be, but is not limited to, 3mm-15mm; the diameter of the lens to be tested can be, but is not limited to, 15mm-75mm.
[0042] The lens clamping device 5 is used to place the lens 4 to be inspected. The lens holding device can be a single clamping device with adjustable lens clamping size or a lens clamping composite device composed of lens clamping devices of multiple sizes. The lens clamping composite device can be, but is not limited to, a multi-card slot turntable, a multi-card slot conveyor belt, or a multi-card slot drawer structure. The lens clamping device can clamp lenses of multiple sizes and is fixedly mounted on the second sliding mechanism 8.
[0043] The first bracket 6 is disposed on the base, and is used to fix and connect the first sliding mechanism 7 and the first driving motor 10 , the second sliding mechanism 8 and the second driving motor 11 , and is fixedly mounted on the top of the housing of the core control module 9 .
[0044] The second bracket 14 is disposed on the base and is used to fix the second industrial camera 13 , and is fixedly mounted on the top of the housing of the core control module 9 .
[0045] The first sliding mechanism 7 is used to fix the first industrial camera 1 and the first driving motor 10 . The first sliding mechanism 7 can be controlled by the core control module 9 through the control motor module 10 to adjust the position of the first industrial camera 1 .
[0046] The second sliding mechanism 8 is used to fix the lens clamping device 5 and the second driving motor 11 . The second sliding mechanism 8 can be controlled by the core control module 9 by controlling the second driving motor 11 , so as to adjust the position of the lens clamping device 5 .
[0047] The core control module 9 is connected to the active light source 3, the first industrial camera 1, the second industrial camera 13, the first drive motor 10, the second drive motor 11, and the display screen 15, controls the switch of the active light source 3, the motion control of the first drive motor 10 and the second drive motor 11, receives and analyzes the image of the lens 4 to be inspected, infers whether there are defects on the lens surface and the size of the defects, extracts and records the model and size information of the lens 4 to be inspected, and matches the lens information with the detection results. The core control module is an industrial computer.
[0048] The first drive motor 10 , which may be but is not limited to a stepper motor or a servo motor, is connected to the core control module 9 via a wire and is fixedly mounted on the first sliding mechanism 7 .
[0049] The second driving motor 11 may be, but is not limited to, a stepping motor or a servo motor, is connected to the core control module 9 via a wire, and is fixedly mounted on the second sliding mechanism 8 .
[0050] The display screen 15 can be, but is not limited to, a CRT display screen, an LCD screen, or an LED screen, and is used to display the test results of the lens 4 to be tested and the triggering of the lens testing instruction by the tester.
[0051] In this embodiment, the defects of the lens mainly include but are not limited to scratches, pitting, water stains, oil stains, dust, etc.
[0052] In this embodiment, the automatic detection of lens surface defects is not affected by the size and shape of the lens 4 to be inspected.
[0053] In this embodiment, the industrial camera 1, the industrial lens 2, the lens to be inspected 4, and the active light source 3 need to be coaxial.
[0054] Working method 1 in this embodiment: the lens 4 to be inspected is placed in the lens clamping device 5. When the lens inspector triggers the inspection operation through the inspection button on the display screen 15, the core control module 9 controls the active light source 3 to start working, and controls the second industrial camera 13 to start collecting the side image of the lens 4 to be inspected. When the second industrial camera 13 completes the image acquisition, the image data is transmitted to the core control module 9. The side image of the lens 4 to be inspected is preprocessed in the core control module 9 to obtain the lens information including but not limited to the diameter, thickness, type, and product code of the lens 4 to be inspected. The core control module 9 issues a control instruction to the first drive motor 10 according to the thickness of the lens 4 to be inspected, and controls the first drive motor 10 to drive the first sliding mechanism 7 and the first industrial camera 1 to move; when the first sliding mechanism 7 has finished moving, the core control module 9 controls the first industrial camera 1 to start collecting the image of the lens 4 to be inspected; when the first industrial camera 1 completes the image collection, the image data is transmitted to the core control module 9, and the image of the lens 4 to be inspected is preprocessed in the core control module 9 to obtain a binary image, and the area where the lens 4 to be inspected is located in the image is determined, and the features and contours of the lens surface defects in the area where the lens 4 to be inspected is located are extracted, and the size of the lens surface defects is marked to obtain the inspection result of the lens 4 to be inspected, and the inspection result of the lens 4 to be inspected is matched with its own inherent information including but not limited to diameter, thickness, type, and product code and recorded, and the inspection result of the lens 4 to be inspected and the image data are transmitted to the display screen 15 through the core control module 9 for display.
[0055] Working method 2 in this embodiment: the lens 4 to be inspected is placed in the lens clamping device 5. When the lens inspector triggers the inspection operation through the inspection button on the display screen 15, the core control module 9 controls the active light source 3 to start working, and controls the second industrial camera 13 to start collecting the side image of the lens 4 to be inspected. When the second industrial camera 13 completes the image acquisition, the image data is transmitted to the core control module 9. The side image of the lens 4 to be inspected is preprocessed in the core control module 9 to obtain the lens information including but not limited to the diameter, thickness, type, and product code of the lens 4 to be inspected. The core control module 9 issues a control instruction to the second drive motor 11 according to the thickness of the lens 4 to be inspected, and controls the second drive motor 11 to drive the second sliding mechanism 8 and the lens clamping device 5 to move; when the second sliding mechanism 8 has finished moving, the core control module 9 controls the first industrial camera 1 to start collecting the image of the lens 4 to be inspected; when the first industrial camera 1 completes the image collection, the image data is transmitted to the core control module 9, and the image of the lens 4 to be inspected is preprocessed in the core control module 9 to obtain a binary image, and the area where the lens 4 to be inspected is located in the image is determined, and the features and contours of the lens surface defects in the area where the lens 4 to be inspected is located are extracted, and the size of the lens surface defects is marked to obtain the inspection result of the lens 4 to be inspected, and the inspection result of the lens 4 to be inspected is matched with its own inherent information including but not limited to diameter, thickness, type, and product code and recorded, and the inspection result of the lens 4 to be inspected and the image data are transmitted to the display screen 15 through the core control module 9 for display.
[0056] In another embodiment, the core control module 9 is connected to the active light source 3, the first industrial camera 1, the second industrial camera 13, the first drive motor 10, the second drive motor 11, and the display screen 15. The core control module is used to control the switch of the active light source 3, and control the movement of the first drive motor 10 and the second drive motor 11, receive and analyze the image of the lens 4 to be inspected, infer whether there are defects on the lens surface and the defect size, extract and record the model and size information of the lens 4 to be inspected, and match the lens information with the test results. The main body of the core control module 9 is a development board, which includes an active light source drive and control circuit, a camera power supply circuit, a camera drive circuit, a camera data transmission circuit, a main control chip and other separate hardware. The core control module 9 is connected to the display screen 15 through a wire, and sends instructions to the main control chip on the development board of the core control module 9 through the touch screen, and controls other modules on the development board through the instructions sent by the main control chip.
[0057] The working method of this embodiment is as follows: the lens 4 to be inspected is placed in the lens clamping device 5. When the lens inspector triggers the inspection operation through the inspection button on the display screen 15, the main control chip in the core control module 9 controls the active light source drive and the control circuit to drive the active light source 3 to start working, and controls the camera power supply circuit to start powering the second industrial camera 13. At the same time, the camera driving circuit is controlled to drive the second industrial camera 13 to start collecting the side image of the lens 4 to be inspected. When the second industrial camera 13 completes image acquisition, the image data is transmitted to the main control chip in the core control module 9 through the camera data transmission circuit. The side image of the lens 4 to be inspected is preprocessed in the main control chip to obtain the lens information including but not limited to the diameter, thickness, type, and product code of the lens 4 to be inspected. The main control chip of the core control module 9 issues a control instruction to the first drive motor 10 according to the thickness of the lens 4 to be inspected, and controls the first drive motor 10 to drive the first sliding mechanism 7 and the first industrial camera 1 to move; when the first sliding mechanism 7 has finished moving, the main control chip of the core control module 9 controls the camera power supply circuit to start powering the first industrial camera 1, and at the same time controls the camera drive circuit to drive the first industrial camera 1 to start collecting the side image of the lens 4 to be inspected. When the first industrial camera 1 completes image acquisition, the image data is transmitted to the main control chip in the core control module 9 through the camera data transmission circuit. The main control chip in the core control module 9 pre-processes the image of the lens 4 to be inspected to obtain a binary image, determines the area where the lens 4 to be inspected is located in the image, extracts the features and contours of the lens surface defects in the area where the lens 4 to be inspected is located, marks the size of the lens surface defects, obtains the detection result of the lens 4 to be inspected, matches the detection result of the lens 4 to be inspected with its own inherent information including but not limited to diameter, thickness, type, and product code, and records it, and transmits the detection result of the lens 4 to be inspected and the image data to the display screen 15 through the core control module 9 for display.
[0058] Working method 2 in this embodiment: the lens 4 to be inspected is placed in the lens clamping device 5. When the lens inspector triggers the inspection operation through the inspection button on the display screen 15, the main control chip in the core control module 9 controls the active light source drive and the control circuit to drive the active light source 3 to start working, and controls the camera power supply circuit to start powering the second industrial camera 13. At the same time, the camera driving circuit is controlled to drive the second industrial camera 13 to start collecting the side image of the lens 4 to be inspected. When the second industrial camera 13 completes image acquisition, the image data is transmitted to the main control chip in the core control module 9 through the camera data transmission circuit. The side image of the lens 4 to be inspected is preprocessed in the main control chip to obtain the lens information including but not limited to the diameter, thickness, type, and product code of the lens 4 to be inspected. The main control chip of the core control module 9 sends a control instruction to the second drive motor 11 according to the thickness of the lens 4 to be inspected, and controls the second drive motor 11 to drive the second sliding mechanism 8 and the lens clamping device 5 to move; when the second sliding mechanism 8 is moved, the main control chip of the core control module 9 controls the camera power supply circuit to start powering the first industrial camera 1, and controls the camera drive circuit to drive the first industrial camera 1 to start collecting the side image of the lens 4 to be inspected. When the first industrial camera 1 completes image acquisition, the image data is transmitted to the main control chip in the core control module 9 through the camera data transmission circuit. The main control chip in the core control module 9 pre-processes the image of the lens 4 to be inspected to obtain a binary image, determines the area where the lens 4 to be inspected is located in the image, extracts the characteristics and contours of the lens surface defects in the area where the lens 4 to be inspected is located, marks the size of the lens surface defects, obtains the detection result of the lens 4 to be inspected, matches the detection result of the lens 4 to be inspected with its own inherent information including but not limited to diameter, thickness, type, and product code, and records it, and transmits the detection result of the lens 4 to be inspected and the image data to the display screen 15 through the core control module 9 for display.
[0059] It should be noted that the directional terms such as left, right, up, down, front and back in the embodiments of the present invention are merely relative concepts or are based on the normal use state of the product, that is, the direction of movement of the product, and should not be considered as limiting.
[0060] Secondly, it should be noted that when a component is referred to as being "located" or "set on" another component, it can be on the other component or there can be a central component at the same time. When a component is referred to as being "connected to" another component, it can be directly connected to the other component or there can be a central component at the same time.
[0061] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
[0062] The above-mentioned specific implementation manner cannot be used as a limitation on the protection scope of the present utility model. For those skilled in the art, any replacement, improvement or change made to the implementation manner of the present utility model falls within the protection scope of the present utility model.
[0063] The matters not described in detail in the present invention are all known technologies to those skilled in the art.
Claims
1. An automatic detection device for surface defects of laser cutting machine lenses, characterized in that: include: Base, core control module, clamping assembly, camera assembly, active light source; The core control module is connected to the camera assembly and is used to control the camera assembly; The active light source is arranged on the base, and is used to emit active detection light, and irradiate the active detection light onto the surface of the lens to be inspected; The clamping assembly is connected to the base and is used to fix the camera assembly and the lens to be inspected; The camera assembly is used to obtain images of the lens to be inspected from multiple angles.
2. The automatic detection device for surface defects of laser cutting machine lenses according to claim 1, characterized in that: The camera assembly includes a first industrial camera, a first industrial lens, a second industrial camera and a second industrial lens; The first industrial camera is connected to the first industrial lens; The second industrial camera is connected to the second industrial lens; The first industrial lens faces the upper surface of the lens to be inspected, and the second industrial lens faces the side surface of the lens to be inspected.
3. The automatic detection device for surface defects of laser cutting machine lenses as claimed in claim 2, characterized in that: The clamping assembly comprises: a first bracket, a second bracket, and a lens clamping device; The first bracket and the second bracket are both arranged on the base, and the lens clamping device is arranged on the first bracket; the lens clamping device is used to fix the lens to be inspected.
4. The automatic detection device for surface defects of laser cutting machine lenses as claimed in claim 3, characterized in that: The first industrial camera is arranged on a first bracket, and the second industrial camera is arranged on a second bracket.
5. The automatic detection device for surface defects of laser cutting machine lenses as claimed in claim 4, characterized in that: The automatic detection device also includes: A first sliding mechanism is disposed between the first industrial camera and the first bracket, and the first sliding mechanism can slide along the first bracket; A first driving motor is connected to the first sliding mechanism and the core control module, and is used for driving the first sliding mechanism to move on the first bracket.
6. The automatic detection device for surface defects of laser cutting machine lenses as claimed in claim 4, characterized in that: The automatic detection device also includes: A second sliding mechanism is disposed between the lens clamping device and the first bracket, and the second sliding mechanism can slide along the first bracket; A second driving motor is connected to the second sliding mechanism and the core control module, and is used for driving the second sliding mechanism to move on the first bracket.
7. The automatic detection device for surface defects of laser cutting machine lenses as claimed in claim 2, characterized in that: The active light source is coaxial with the lens to be inspected, the first industrial camera and the first industrial lens.
8. The automatic detection device for surface defects of laser cutting machine lenses as claimed in claim 1, characterized in that: The automatic detection device also includes: A display screen connected to the core control module, the display screen being used to interact with a user to send control instructions to the core control module; The display screen is also used to receive and display image data sent by the core control module.
9. The automatic detection device for surface defects of laser cutting machine lenses according to claim 1, characterized in that: The active light source is provided with multiple layers of light-emitting lamp beads arranged in a trumpet shape.
10. The automatic detection device for surface defects of laser cutting machine lenses according to claim 9, characterized in that: The angle between the light emitting lamp bead and the plane where the lens to be inspected is located is between 15° and 75°.
11. The automatic detection device for surface defects of laser cutting machine lenses according to claim 1, characterized in that: The lens to be inspected includes at least one of an upper protective mirror, a lower protective mirror, a focusing mirror, and a collimating mirror; the lens surface shape of the lens to be inspected includes at least one of a plane mirror, a plano-convex mirror, a meniscus mirror, a biconvex mirror, and an aspherical mirror.
12. The automatic detection device for surface defects of laser cutting machine lenses according to claim 1, characterized in that: The core control module is connected to the active light source and is used to control the on and off of the active light source.