Ultra-thin silicon steel strip surface defect online detection device
By using an online inspection device to identify defects on the surface of ultra-thin silicon steel strip in real time, the problem of defects in the production process has been solved, the comprehensiveness of inspection and product quality have been improved, and production costs have been reduced.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-03-20
AI Technical Summary
Ultra-thin silicon steel strips are prone to surface defects during the production process, which can affect subsequent processing and use.
An online detection device for surface defects of ultrathin silicon steel strip was designed. It uses a high-definition linear CCD camera and a laser light source combined with an image analysis and processing system to identify defects such as scratches, pits and cracks on the strip surface in real time, and performs comprehensive detection by adjusting the camera angle through adjustment components.
This enables timely detection of defects during the production process, avoids waste in subsequent processing, ensures product quality, and reduces production costs.
Smart Images

Figure CN224019659U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of defect detection, specifically is ultra -thin silicon steel strip surface defect on -line detection device. BACKGROUND
[0002] Ultra -thin silicon steel refers to the thickness of the iron silicon alloy strip material less than or equal to 0.1mm, mainly used under the condition of more than or equal to 400Hz medium high frequency, the core of the device such as the choke coil, inductance coil etc. of making anode saturated reactor.
[0003] However, the existing ultra -thin silicon steel strip material in the process of production, part of the surface of the ultra -thin silicon steel strip material will appear defect due to various reasons, the ultra -thin silicon steel strip material of appearing defect is not conducive to subsequent processing use. UTILITY MODEL CONTENT
[0004] The utility model discloses a surface defect on -line detection device of ultra -thin silicon steel strip material to solve the problem that part of the surface of the ultra -thin silicon steel strip material will appear defect due to various reasons in the background art.
[0005] To realize the above -mentioned purpose, the utility model provides the following technical scheme: the surface defect on -line detection device of ultra -thin silicon steel strip material, including:
[0006] The detection assembly is provided with an adjusting assembly on the upper surface.
[0007] The detection assembly includes a support frame, an image analysis processing system is fixedly installed above and one side of the support frame, a rotating rod is arranged in the middle of the inside of the support frame, a high-definition linear array CCD camera is fixedly installed on the middle outer wall of the rotating rod, a plurality of laser light sources are fixedly arranged on both sides of the high-definition linear array CCD camera, and a first gear is fixedly arranged on the outer wall of both ends of the rotating rod.
[0008] Preferably, the adjusting assembly includes a fixed block, a lead screw is penetrated through the inside of the fixed block, a nut pair is connected to the outer wall of the lead screw, a second gear is fixedly arranged on the outer wall of the nut pair, a third gear is engaged above the second gear, a drive rod is penetrated through the middle inside of the third gear, a servo motor is arranged on one end of the drive rod, a connecting rod is fixedly installed on one end of the lead screw, a toothed plate is fixedly connected to both ends of the connecting rod, and a guide block is penetrated through the inside of the toothed plate.
[0009] Preferably, the support frame is provided with an ultra -thin silicon steel strip below, and the rotating rod is rotatably connected with the support frame.
[0010] Preferably, the first gear is rotatably connected with the support frame, the fixed block is fixedly connected with the support frame, and the lead screw is slidably connected with the fixed block.
[0011] Preferably, the second gear can rotate around the screw center axis on the surface of the fixed block, and the third gear is fixedly connected with the driving rod.
[0012] Preferably, the output end of the servo motor is fixedly connected with the driving rod, and the servo motor is fixedly connected with the fixed block.
[0013] Preferably, the toothed plate is slidably connected with the guide block, the toothed plate is meshed with the first gear, and the guide block is fixedly connected with the support frame.
[0014] Compared with the prior art, the utility model has the beneficial effects that:
[0015] The utility model discloses an online detection device, which is installed above the ultra-thin silicon steel strip production line, and the laser light source irradiates the surface of the ultra-thin silicon steel strip in operation at a specific angle. The high-definition linear array CCD camera synchronously collects reflected light images. The image analysis processing system uses advanced algorithms to identify defects such as scratches, pitting and cracks on the surface of the strip in real time. The surface defects of the ultra-thin silicon steel strip can be found in the production process, and the production process can be adjusted in time or defective products can be removed, so that subsequent processing waste is avoided, product quality is effectively guaranteed, and production cost is reduced.
[0016] The utility model discloses an online detection device, which is installed above the ultra-thin silicon steel strip production line, and the laser light source irradiates the surface of the ultra-thin silicon steel strip in operation at a specific angle. The high-definition linear array CCD camera synchronously collects reflected light images. The image analysis processing system uses advanced algorithms to identify defects such as scratches, pitting and cracks on the surface of the strip in real time. The surface defects of the ultra-thin silicon steel strip can be found in the production process, and the production process can be adjusted in time or defective products can be removed, so that subsequent processing waste is avoided, product quality is effectively guaranteed, and production cost is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is an overall structure front schematic view of the utility model;
[0018] Figure 2 It is an overall structure front schematic view of the utility model; Figure 1 It is an overall structure front schematic view of the utility model;
[0019] Figure 3 It is an overall structure front schematic view of the utility model;
[0020] Figure 4 It is an overall structure front schematic view of the utility model;
[0021] Figure 5 It is an overall structure front schematic view of the utility model;
[0022] In the figure: 01, detection assembly; 11, support frame; 12, image analysis processing system; 13, rotating rod; 14, high-definition linear array CCD camera; 15, laser light source; 16, No. 1 gear; 02, adjusting assembly; 21, fixed block; 22, screw rod; 23, nut pair; 24, No. 2 gear; 25, No. 3 gear; 26, driving rod; 27, servo motor; 28, connecting rod; 29, toothed plate; 30, guide block. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0024] Please refer to Figures 1-5 An embodiment provided by the utility model: the online detection device for surface defects of ultra-thin silicon steel strip, the image analysis processing system 12, the high-definition linear array CCD camera 14, the laser light source 15, the nut pair 23 and the servo motor 27 used in the application are all products that can be directly purchased in the market, and their principles and connection modes are all prior art well known to those skilled in the art, so they will not be described here.
[0025] It comprises a detection assembly 01, and the upper surface of the detection assembly 01 is provided with an adjusting assembly 02.
[0026] The detection assembly 01 comprises a support frame 11, and an image analysis processing system 12 is fixedly installed above and on one side of the support frame 11; the image analysis processing system 12 uses an advanced algorithm to identify defects such as scratches, pockmarks and cracks on the surface of the strip in real time, and marks and records the defect position, size and type; the detection accuracy can reach 0.05 mm²; a rotating rod 13 is arranged in the middle of the inside of the support frame 11; a high-definition linear array CCD camera 14 is fixedly installed on the middle outer wall of the rotating rod 13; the high-definition linear array CCD camera 14 can directly perform online detection on the ultra-thin silicon steel strip below; a plurality of laser light sources 15 are fixedly arranged on the two sides of the high-definition linear array CCD camera 14; a No. 1 gear 16 is fixedly arranged on the outer wall of the two ends of the rotating rod 13; the No. 1 gear 16 can drive the rotating rod 13 and the high-definition linear array CCD camera 14 to rotate, so as to adjust the angle of the high-definition linear array CCD camera 14.
[0027] Further, the adjusting assembly 02 comprises a fixed block 21, a lead screw 22 is penetrated through the inside of the fixed block 21, the lead screw 22 is movable to drive the connecting rod 28 and the toothed plate 29 to move, thereby driving the first gear 16 to rotate, the outer wall of the lead screw 22 is connected with a nut pair 23, the outer wall of the nut pair 23 is fixedly provided with a second gear 24, the upper portion of the second gear 24 is engaged with a third gear 25, the middle portion of the third gear 25 is penetrated through with a driving rod 26, the driving rod 26 is rotatable to drive the third gear 25 to rotate, thereby driving the second gear 24 to rotate, one end of the driving rod 26 is provided with a servo motor 27, the servo motor 27 provides power, the servo motor 27 is started to drive the driving rod 26 to rotate, thereby driving the third gear 25 to rotate, one end of the lead screw 22 is fixedly installed with the connecting rod 28, the two ends of the connecting rod 28 are fixedly connected with the toothed plate 29, the toothed plate 29 is movable to drive the first gear 16 to rotate, the first gear 16 is rotatable to drive the rotating rod 13 and the high-definition linear array CCD camera 14 to rotate, thereby adjusting the angle of the high-definition linear array CCD camera 14, the inside of the toothed plate 29 is penetrated through with a guide block 30, the guide block 30 plays a guiding and limiting role on the toothed plate 29, and the moving direction of the toothed plate 29 is guaranteed to be accurate.
[0028] Further, the lower portion of the support frame 11 is provided with an ultra-thin silicon steel strip, the high-definition linear array CCD camera 14 can directly perform online detection on the ultra-thin silicon steel strip below, the rotating rod 13 is rotationally connected with the support frame 11, so that the support frame 11 does not affect the rotation of the rotating rod 13, the rotating rod 13 is rotatable to drive the high-definition linear array CCD camera 14 to rotate, thereby adjusting the angle of the high-definition linear array CCD camera 14.
[0029] Further, the first gear 16 is rotationally connected with the support frame 11, so that the support frame 11 does not affect the rotation of the first gear 16, the first gear 16 is rotatable to drive the rotating rod 13 and the high-definition linear array CCD camera 14 to rotate, thereby adjusting the angle of the high-definition linear array CCD camera 14, the fixed block 21 is fixedly connected with the support frame 11, so that the position of the fixed block 21 is firm, the lead screw 22 is slidingly connected with the fixed block 21, so that the fixed block 21 does not affect the movement of the lead screw 22, the lead screw 22 is movable to drive the connecting rod 28 and the toothed plate 29 to move, thereby driving the first gear 16 to rotate.
[0030] Further, the second gear 24 is rotatable around the central axis of the lead screw 22 on the surface of the fixed block 21, the second gear 24 is rotatable to drive the nut pair 23 to rotate, thereby driving the lead screw 22 to move, and further driving the connecting rod 28 and the toothed plate 29 to move, the third gear 25 is fixedly connected with the driving rod 26, so that the driving rod 26 is rotatable to drive the third gear 25 to rotate, thereby driving the second gear 24 to rotate.
[0031] Further, the output end of the servo motor 27 is fixedly connected with the driving rod 26, so that the servo motor 27 can drive the driving rod 26 to rotate after being started, and then drive the third gear 25 to rotate.
[0032] Further, the toothed plate 29 is slidably connected with the guide block 30, the guide block 30 plays a guiding and limiting role on the toothed plate 29, the toothed plate 29 is meshed with the first gear 16, so that the toothed plate 29 can drive the first gear 16 to rotate when moving, the first gear 16 drives the rotating rod 13 and the high-definition linear array CCD camera 14 to rotate, and then adjusts the angle of the high-definition linear array CCD camera 14, the guide block 30 is fixedly connected with the support frame 11, so that the position of the guide block 30 is firm, the guide block 30 plays a guiding and limiting role on the toothed plate 29, and the moving direction of the toothed plate 29 is accurate.
[0033] Working principle: when in use, the support frame 11 is installed above the ultra-thin silicon steel strip production line, the servo motor 27 is started, the servo motor 27 drives the driving rod 26 to rotate, the driving rod 26 drives the third gear 25 to rotate, the third gear 25 drives the second gear 24 to rotate, the second gear 24 drives the nut pair 23 to rotate, the nut pair 23 drives the lead screw 22 to move, the lead screw 22 drives the connecting rod 28 and the toothed plate 29 to move, the toothed plate 29 drives the first gear 16 to rotate, the first gear 16 drives the rotating rod 13 to rotate, the rotating rod 13 drives the high-definition linear array CCD camera 14 to rotate, and then adjusts the angle of the high-definition linear array CCD camera 14, the laser light source 15 irradiates the surface of the ultra-thin silicon steel strip in operation at a specific angle, the high-definition linear array CCD camera 14 synchronously collects reflected light images, and the image analysis processing system 12 uses an advanced algorithm to identify defects such as scratches, pockmarks and cracks on the surface of the strip in real time. The above is the whole working principle of the utility model.
[0034] It is apparent for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the utility model. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.
Claims
1. An online detection device for surface defects in ultra-thin silicon steel strip, characterized in that, include: The detection component (01) has an adjustment component (02) provided on its upper surface. The detection component (01) includes a support frame (11). An image analysis and processing system (12) is fixedly installed on the top and one side of the support frame (11). A rotating rod (13) is provided in the middle of the support frame (11). A high-definition linear array CCD camera (14) is fixedly installed on the middle outer wall of the rotating rod (13). Multiple laser light sources (15) are fixedly provided on both sides of the high-definition linear array CCD camera (14). A first gear (16) is fixedly provided on the outer walls of both ends of the rotating rod (13).
2. The online detection device for surface defects of ultra-thin silicon steel strip according to claim 1, characterized in that: The adjustment assembly (02) includes a fixed block (21), a lead screw (22) passing through the interior of the fixed block (21), a nut pair (23) connected to the outer wall of the lead screw (22), a second gear (24) fixedly installed on the outer wall of the nut pair (23), a third gear (25) meshing above the second gear (24), a drive rod (26) passing through the middle of the third gear (25), a servo motor (27) installed at one end of the drive rod (26), a connecting rod (28) fixedly installed at one end of the lead screw (22), toothed plates (29) fixedly connected to both ends of the connecting rod (28), and a guide block (30) passing through the interior of the toothed plate (29).
3. The online detection device for surface defects of ultra-thin silicon steel strip according to claim 1, characterized in that: The support frame (11) is provided with an ultra-thin silicon steel strip below it, and the rotating rod (13) is rotatably connected to the support frame (11).
4. The online detection device for surface defects of ultra-thin silicon steel strip according to claim 2, characterized in that: The first gear (16) is rotatably connected to the support frame (11), the fixed block (21) is fixedly connected to the support frame (11), and the lead screw (22) is slidably connected to the fixed block (21).
5. The online detection device for surface defects of ultra-thin silicon steel strip according to claim 2, characterized in that: The second gear (24) can rotate around the central axis of the lead screw (22) on the surface of the fixed block (21), and the third gear (25) is fixedly connected to the drive rod (26).
6. The online detection device for surface defects of ultra-thin silicon steel strip according to claim 2, characterized in that: The output end of the servo motor (27) is fixedly connected to the drive rod (26), and the servo motor (27) is fixedly connected to the fixed block (21).
7. The online detection device for surface defects of ultra-thin silicon steel strip according to claim 2, characterized in that: The toothed plate (29) is slidably connected to the guide block (30), the toothed plate (29) meshes with the first gear (16), and the guide block (30) is fixedly connected to the support frame (11).