Fan blade visual detection mechanism

Abstract

The utility model discloses a visual detection mechanism for fan blades, which comprises a fixed frame, a base arranged on the fixed frame and used for bearing an industrial camera, and an adjusting assembly arranged between the fixed frame and the base, the drive adjusting assembly can drive the industrial camera to move and / or rotate so that a lens of the industrial camera can be aligned with fan blades placed on the fixing frame for shooting, a light source plate is arranged on the fixing frame, and the light source plate is designed to be a closed or semi-closed camera obscura surrounding the industrial camera. The adjusting assembly is arranged between the fixing frame and the base to drive the industrial camera to move and rotate, flexible adjustment can be carried out according to the position of the fan blade, and even if the fan blade deviates from a to-be-detected point due to external factors, the industrial camera still can be aligned with all faces of the fan blade to shoot; the closed or semi-closed camera obscura located on the outer side of the industrial camera provides a controllable and uniform lighting environment, interference of external light is eliminated or reduced, and therefore shooting efficiency and accuracy are further improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of detection device, especially a fan blade visual inspection mechanism. BACKGROUND

[0002] With the rapid development of computer technology, image processing technology and artificial intelligence technology, the technical level of visual sensor and visual detection device has also been rapidly improved. The visual detection device is mainly used for visual inspection of products, and unqualified products are sorted out to ensure production quality.

[0003] Due to the variety of vehicle types on the production line, the fan blade types are different, and multi-angle measurement is required to ensure the detection quality. The previous inspection equipment has single function, mainly through the camera fixedly installed near the fan blade to take pictures, and the camera needs to be adjusted again after moving to take pictures, which has low accuracy, and manual re-inspection is required in most cases, which is time-consuming and laborious, and cannot avoid the error caused by manual operation. Therefore, the technical personnel in the field provide a fan blade visual inspection mechanism to solve the problems in the background technology. UTILITARIAN CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art, and provides a fan blade visual inspection mechanism to improve the accuracy of detection results and reduce labor and cost.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of a fan blade visual inspection mechanism, which comprises a fixing frame, a base for carrying an industrial camera arranged on the fixing frame, and an adjusting assembly arranged between the fixing frame and the base. The adjusting assembly can drive the industrial camera to move and / or rotate so that the lens of the industrial camera is aligned with the fan blade placed on the fixing frame for shooting. The fixing frame is provided with a light source plate, which is designed as a closed or semi-closed dark box around the industrial camera.

[0006] Further, the adjusting assembly comprises a telescopic rod connected with the base, a first support plate connected with the telescopic rod, a second support plate rotationally connected with the first support plate and arranged on the fixing frame, and an adjusting rod arranged between the first support plate and the second support plate. The first support plate, the second support plate and the adjusting rod form an adjustable triangle.

[0007] Further, the first support plate is rotationally connected with the second support plate through a rotating shaft, and damping springs are arranged between the plate bodies of the two.

[0008] Further, the first support plate is provided with a first sliding block, the adjusting rod is provided with a first sliding rail for sliding of the first sliding block, the first sliding block is driven to slide in the first sliding rail, so that the first support plate drives the base to rotate around the rotating shaft.

[0009] Further, the second support plate is provided with a second sliding block away from the side of the base, the fixed frame is provided with a second sliding rail for sliding of the second sliding block, and the second sliding rail is slidably connected to the fixed frame through a third sliding block at two ends.

[0010] Further, the fixed frame is provided with a third sliding rail, the third sliding block is inserted into the third sliding rail and can drive the second sliding rail to move along the length direction of the third sliding rail, and the second sliding rail is arranged perpendicularly to the third sliding rail.

[0011] Further, the telescopic rod comprises an inner tube and an outer tube which is sleeved outside the inner tube and is slidably connected to the inner tube, the inner tube is connected to the base, and the outer tube is connected to the first support plate through a support block.

[0012] Further, the end of the telescopic rod away from the base is connected to a driving motor to provide power for movement of the telescopic rod, and the driving motor is arranged on the fixed frame.

[0013] Further, the fixed frame is provided with a fault alarm device which is electrically connected to the industrial camera.

[0014] Further, the fixed frame is provided with a third support plate for bearing the fan blades and universal wheels.

[0015] The utility model has the advantages and positive effects that: through the fixed frame and the adjusting assembly arranged between the fixed frame and the base, the base drives the industrial camera to move and rotate, the position of the fan blade to be detected can be flexibly adjusted, the shooting angle is more, even if the fan blade deviates from the detection point due to external factors, the industrial camera can still shoot each surface of the fan blade, the detection efficiency and accuracy of the fan blade are improved, and the applicability is stronger. Secondly, the closed or semi-closed dark box outside the industrial camera provides a controllable and uniform lighting environment, eliminates or reduces the interference of external light, ensures that the industrial camera can receive clear and stable light from the light source plate, and further improves the shooting efficiency and accuracy. In addition, the adjustable triangular structure is arranged, a stable frame is formed, the whole structure can withstand a large load without being easily damaged. Even if adjustment is made at different angles or lengths, the triangular structure can still maintain high stability. This dynamic balance capability enables the triangular structure to adapt to different working environments and requirements, thereby ensuring the accuracy of the detection result. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0017] Figure 1 is the overall structure schematic diagram of the embodiment of the present application in use;

[0018] Figure 2 is the front view of the dark box of the embodiment of the present application;

[0019] Figure 3 is the side view of the dark box of the embodiment of the present application.

[0020] The following is the explanation of the reference signs:

[0021] 100, fixed frame, 110, second sliding rail; 120, third sliding rail; 200, base; 300, adjusting assembly; 310, telescopic rod; 311, inner tube; 312, outer tube; 320, first support plate; 321, first sliding block; 330, second support plate; 331, second sliding block; 332, third sliding block; 340, adjusting rod; 341, first sliding rail; 350, rotating shaft; 360, support block; 400, fan blade; 500, industrial camera; 600, fault alarm device; 700, third support plate. DETAILED DESCRIPTION

[0022] In the description of the present application, it is understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the present application, unless otherwise specified, the meaning of "multiple" is two or more.

[0023] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integral connection;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can be indirectly connected through intermediate medium, can be two element internal communication.For ordinary skilled in the art, can understand the concrete meaning of the above-mentioned term in the utility model through specific circumstances.

[0024] The utility model will be further described below in connection with the drawings:

[0025] As Figure 1 Indicated, a fan blade visual inspection mechanism, including fixed frame 100, set up on fixed frame 100 and be used to carry industrial camera's base 200 and set up between fixed frame 100 and base 200's adjusting assembly 300, drive adjusting assembly 300 can drive industrial camera 500 to move and / or rotate to make its lens align the fan blade 400 placed on fixed frame 100 carry out shooting, fixed frame 100 is equipped with light source board 130, light source board 130 is designed as the closed or semi-closed dark box around industrial camera 500.Using, not only can flexibly adjust the spatial position of industrial camera 500 according to actual needs, also can rotate a certain angle relative to the fan on fixed frame 100, to make it better align each surface of fan blade 400 carries out shooting, improves fan blade detection efficiency and accuracy.And the closed or semi-closed dark box located above fan 500 provides an industrial camera 500 with a controllable, uniform lighting environment, which will be very beneficial to shooting, because it can eliminate or reduce the interference of external light, ensure that industrial camera 500 can receive clear, stable light from light source board 130, to further improve the shooting efficiency and accuracy.

[0026] Preferably, as Figure 2 And Figure 3As shown, the adjusting assembly 300 comprises a telescopic rod 310 connected with the base 200, a first support plate 320 connected with the telescopic rod 310, a second support plate 330 connected with the first support plate 320 and arranged on the fixed frame 100, and an adjusting rod 340 arranged between the first support plate 320 and the second support plate 330, and the first support plate 320, the second support plate 330 and the adjusting rod 340 form an adjustable triangle. In the embodiment, the adjusting assembly 300 is arranged in the dark box on the top of the fixed frame 100, the lens of the industrial camera 500 is aligned to shoot the fan blade 400 below, and the length of the telescopic rod 310 is controlled to drive the industrial camera 500 to move up and down to approach or move away from the fan blade 400 to be detected, so that even if the fan blade 400 deviates from the preset position, better shooting effect can be achieved by adjusting the industrial camera 500, and the accuracy of the detection result is ensured. Secondly, the adjustable triangle structure formed by the first support plate 320, the second support plate 330 and the adjusting rod 340 ensures the stability of the structure of the adjusting assembly 300. Due to the mutual support of the three sides, a stable frame is formed, so that the whole structure can withstand a larger load without being easily damaged. Even if the adjustment is made at different angles or lengths, it can still maintain high stability. This dynamic balance capability enables the triangular structure to adapt to different working environments and requirements, thereby ensuring the accuracy of the detection result.

[0027] Preferably, the first support plate 320 is rotatably connected with the second support plate 330 through the rotating shaft 350. More preferably, a damping spring is arranged between the first support plate 320 and the second support plate 330, which can effectively absorb and alleviate the vibration and impact generated during the rotation of the two support plates by using the elasticity of the spring itself, which helps to reduce the shaking of the industrial camera 500 during the angle adjustment, thereby affecting the reliability of the measurement result.

[0028] Preferably, the first support plate 320 is provided with a first sliding block 321, the adjusting rod 340 is provided with a first sliding rail 341 for sliding of the first sliding block 321, and the first sliding block 321 is driven to slide in the first sliding rail 341 to drive the first support plate 320 to rotate around the rotating shaft 350. In the embodiment, the end of the first support plate 320 close to the industrial camera 500 is provided with a protruding part (i.e. the first sliding block 321), and the first sliding block 321 is driven to move in the first sliding rail 341, so as to change the included angle between the first support plate 320 and the second support plate 330. For example, when the first sliding block 321 is driven to move to the right, the first support plate 320 rotates counterclockwise around the rotating shaft 350, and the included angle between the first support plate 320 and the second support plate 330 decreases. When the first sliding block 321 is driven to move to the left, the first support plate 320 rotates clockwise around the rotating shaft 350, and the included angle between the first support plate 320 and the second support plate 330 increases. The design enables the industrial camera 500 to cover a larger shooting area and achieve better detection effect.

[0029] Preferably, the second support plate 330 is provided with a second sliding block 331 away from the side of the base 200, and the fixed frame 100 is provided with a second sliding rail 110 for sliding of the second sliding block 331, and the two ends of the second sliding rail 110 are slidably connected to the fixed frame 100 through a third sliding block 332.

[0030] Preferably, the fixed frame 100 is provided with a third sliding rail 120, the third sliding block 332 is inserted into the third sliding rail 120 and can drive the second sliding rail 110 to move along the length direction of the third sliding rail 120, and the second sliding rail 110 is perpendicular to the third sliding rail 120. In the embodiment, the moving directions of the second sliding block 331 and the third sliding block 332 are perpendicular, which can drive the adjustable triangular structure to move horizontally and vertically, so as to realize wider shooting scene of the industrial camera 500, help to capture more details of the fan blade 400 to be detected, and improve the accuracy of the detection result.

[0031] Preferably, the telescopic rod 310 includes an inner tube 311 and an outer tube 312 sleeved outside the inner tube 311 and slidably connected with the inner tube 311, the inner tube 311 is connected with the base 200, and the outer tube 312 is connected with the first support plate 320 through a support block 360. More preferably, the end of the outer tube 312 away from the base 200 is connected with a driving motor to provide power for movement of the telescopic rod 310, and the driving motor is arranged on the fixed frame 100.

[0032] Preferably, the fixing frame 100 is provided with a fault alarm device 600, which is electrically connected with the industrial camera 500. The fault alarm device 600 in the application is mainly used for sending a warning to the user or the monitoring center, so as to remind timely processing of unqualified products and avoid affecting the subsequent process. The warning can be in the form of sound, vibration or display screen, which is not limited here, as long as the same function can be achieved.

[0033] Preferably, the fixing frame 100 is provided with universal wheels and a third support plate 700 for bearing the fan blades 400. In use, the lens of the industrial camera 500 is vertically placed downward, and the lens is aligned with the fan blades directly below. When the fan blades deviate from the preset position or are detected from multiple sides, the industrial camera 500 can be moved or rotated, and the results are synchronously transferred to the numerical control center, which helps to improve the automation level of the production line, saves time and effort, and improves the accuracy of the detection results.

[0034] The above describes one embodiment of the application in detail, but the content described is only a preferred embodiment of the application, and cannot be considered as limiting the scope of the application. Any equivalent changes and improvements within the scope of the application should still belong to the patent coverage of the application.

Claims

1. A fan blade visual inspection mechanism, characterized by: The fixing frame, the base for carrying the industrial camera arranged on the fixing frame, and the adjusting assembly arranged between the fixing frame and the base, driving the adjusting assembly can drive the industrial camera to move and / or rotate to make its lens align with the fan leaf placed on the fixing frame to take a photo, and the fixing frame is provided with a light source plate designed as a closed or semi-closed dark box around the industrial camera.

2. The fan blade vision inspection mechanism of claim 1, wherein: The adjusting assembly comprises a telescopic rod connected with the base, a first support plate connected with the telescopic rod, a second support plate rotationally connected with the first support plate and arranged on the fixing frame, and an adjusting rod arranged between the first support plate and the second support plate, and the first support plate, the second support plate and the adjusting rod form an adjustable triangle.

3. The fan blade vision inspection mechanism of claim 2, wherein: The first support plate is rotationally connected with the second support plate through a rotating shaft, and damping springs are arranged between the plate bodies of the first support plate and the second support plate.

4. The fan blade vision inspection mechanism of claim 3, wherein: The first support plate is provided with a first sliding block, the adjusting rod is provided with a first sliding rail for sliding of the first sliding block, and driving the first sliding block to slide in the first sliding rail can drive the first support plate to rotate the base around the rotating shaft.

5. The fan blade vision inspection mechanism of any of claims 2 to 4, wherein: The second support plate is provided with a second sliding block on the side away from the base, the fixing frame is provided with a second sliding rail for sliding of the second sliding block, and the second sliding rail is slidably connected with the fixing frame through a third sliding block at both ends.

6. The fan blade vision inspection mechanism of claim 5, wherein: The fixing frame is provided with a third sliding rail, the third sliding block is inserted into the third sliding rail and can drive the second sliding rail to move along the length direction of the third sliding rail, and the second sliding rail is arranged perpendicularly to the third sliding rail.

7. The fan blade vision inspection mechanism of claim 5, wherein: The telescopic rod comprises an inner tube and an outer tube sleeved outside the inner tube and slidably connected with the inner tube, the inner tube is connected with the base, and the outer tube is connected with the first support plate through a support block.

8. The fan blade vision inspection mechanism of claim 6, wherein: The end of the telescopic rod away from the base is connected with a driving motor to provide power for movement of the telescopic rod, and the driving motor is arranged on the fixing frame.

9. The fan blade vision detection mechanism of claim 7 or 8, wherein: The fixing frame is provided with a fault alarm device electrically connected with the industrial camera.

10. The fan blade vision detection mechanism of claim 7 or 8, wherein: The fixing frame is provided with universal wheels and a third support plate for carrying the fan leaf at the bottom.

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