Visual inspection device

Abstract

The utility model discloses a visual inspection device, the device includes: main body frame, clamping mechanism, visual inspection mechanism and deashing mechanism, the main body frame is provided with the clamping mechanism, the two opposite sides of the clamping mechanism are respectively provided with the visual inspection mechanism, the deashing mechanism is provided with the deashing mechanism, the clamping mechanism is provided with the deashing mechanism, and the deashing mechanism is provided with the deashing mechanism. The ash removing mechanism is arranged on one side of the clamping mechanism and used for removing ash on the workpieces on the clamping mechanism. Wherein the dust cleaning mechanism comprises a linear driver, a cover body and a dust collector, the cover body is arranged right above the clamping mechanism in a lifting mode, and an air outlet hole and a plurality of air inlet holes are formed in the side wall of the cover body. The defect that in the prior art, in the detection process, the surfaces of the workpieces are stained with dust, so that a visual detection device can take some qualified workpieces as unqualified workpieces to be removed, the detection error is increased, and the percent of pass is reduced is overcome. Therefore, the visual detection device provided by the utility model can be used for cleaning dust on the surface of the workpiece so as to improve the detection accuracy.

Description

Technical Field

[0001] The utility model relates to the field of visual detection, in particular to a visual detection device. Background Art

[0002] The structure of an existing visual inspection device includes: a frame, a camera mounting bracket for mounting a camera on the frame, a light source mounting platform for mounting a light source below the camera, a movable platform for positioning the workpiece, and a movable platform drive device capable of driving the movable platform on the frame below the light source mounting platform. The movable platform drive device can drive the movable platform with the workpiece to a photographing position below the camera, so that the light source can illuminate the workpiece on the movable platform, and then the camera takes a photograph of the workpiece. The camera usually transmits the photographed image to a computer, and a visual inspection program in the computer inspects the image to determine whether the workpiece has any appearance defects. After inspection, the movable platform moves the workpiece to a loading and unloading position, where a worker removes the workpiece from the movable platform and loads a new workpiece. The worker then removes unqualified workpieces based on the inspection results. Existing visual inspection devices require workers to remove unqualified workpieces, which makes it easy to make mistakes during sorting.

[0003] Chinese patent number CN109865679B discloses a visual inspection device that can automatically reject unqualified workpieces, eliminating the need for workers to sort qualified and unqualified workpieces based on inspection results, thereby preventing sorting errors. In addition, the versatility of the visual inspection device is greatly improved because the light source and camera on the visual inspection device are height-adjustable, the positioning block on the movable platform is position-adjustable, the movable platform can be easily replaced, and a variety of light sources can be installed on the light source mounting platform.

[0004] The applicant discovered the following technical problems when implementing the above technical solution:

[0005] During the inspection process, dust may accumulate on the surface of the workpiece, causing the visual inspection device to reject some qualified workpieces as unqualified ones, thereby increasing the inspection error and reducing the pass rate.

[0006] Therefore, providing a visual inspection device that can clean the surface of a workpiece to improve the detection accuracy is an urgent problem to be solved by the present invention. Utility Model Content

[0007] In response to the above technical problems, the present invention aims to overcome the problem in the prior art where dust may accumulate on the workpiece surface during inspection, causing the visual inspection device to reject some qualified workpieces as unqualified, thereby increasing inspection errors and reducing the pass rate. The present invention thus provides a visual inspection device that can clean dust from the workpiece surface to improve inspection accuracy.

[0008] In order to achieve the above-mentioned purpose, the utility model provides a visual inspection device, which includes: a main frame, a clamping mechanism, a visual inspection mechanism and a cleaning mechanism. The main frame is provided with a clamping mechanism, and visual inspection mechanisms are respectively provided on two opposite sides of the clamping mechanism. The cleaning mechanism is provided on one side of the clamping mechanism for cleaning the workpiece on the clamping mechanism; wherein, the cleaning mechanism includes: a linear drive, a cover body and a dust collector, the cover body can be raised and lowered and arranged directly above the clamping mechanism, and its side wall is provided with an air outlet and a plurality of air inlet holes, the dust collector is arranged on the main frame, and its air inlet is connected to the air outlet on the side wall of the cover body, and the linear drive is vertically provided on one side of the clamping mechanism for driving the cover body to rise and fall.

[0009] Preferably, the clamping mechanism comprises: a rotating table and a positioning tool, the rotating table is rotatably arranged on the main frame, and the positioning tool is arranged on the rotating table for clamping the workpiece.

[0010] Preferably, the visual detection mechanism includes: a smart camera and a light source, and movable frames are respectively provided on the main frame on opposite sides of the clamping mechanism, and each movable frame is respectively provided with a smart camera that can move back and forth toward the clamping mechanism, and a light source is provided at the imaging end of the smart camera.

[0011] Preferably, the movable frame is provided with a slide rail and a sliding platform arranged on the slide rail so as to be reciprocally movable toward the clamping mechanism, and the smart camera is detachably arranged on the sliding platform.

[0012] Preferably, a protective shell covering the smart camera is detachably provided on the sliding platform.

[0013] Preferably, a horizontal thread on the movable frame passes through the sliding table and is provided with a rotating screw capable of driving the sliding table to move back and forth toward the clamping mechanism.

[0014] Preferably, a rotating handle is provided at one end of the rotating screw away from the clamping mechanism.

[0015] Preferably, a display screen and an operating console for operating the display screen are provided on the theme frame.

[0016] Preferably, a barcode scanner is detachably provided on the main frame for starting the device.

[0017] According to the above technical solution, the beneficial effect of the present invention compared with the prior art is: the present application uses a clamping mechanism to clamp the workpiece, then starts the linear drive to drive the cover body to move downward to cover the workpiece, then starts the vacuum cleaner to suck away the dust on the workpiece inside the cover, and then starts the linear drive to drive the cover body to move upward, so that the visual inspection mechanism can inspect the workpiece; thereby improving the detection accuracy.

[0018] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation methods; and the parts not involved in the present invention are the same as the existing technology or can be implemented by using the existing technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention but do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 It is a stereoscopic visual detection device provided in a preferred embodiment of the present invention. Figure 1 .

[0021] Figure 2 It is a stereoscopic visual detection device provided in a preferred embodiment of the present invention. Figure 2 .

[0022] Figure 3 It is a plan view of a visual inspection device provided in a preferred embodiment of the present invention.

[0023] Figure 4 It is a partial stereoscopic view of a visual inspection device provided in a preferred embodiment of the present invention. Figure 1 .

[0024] Figure 5 It is a partial stereoscopic view of a visual inspection device provided in a preferred embodiment of the present invention. Figure 2 .

[0025] Explanation of the accompanying reference numerals: 1-main frame; 101-moving frame; 10101-slide rail; 10102-sliding table; 10103-rotating screw; 10104-rotating handle; 102-protective shell; 2-clamping mechanism; 201-rotating table; 202-positioning tooling; 3-visual detection mechanism; 301-smart camera; 302-light source; 4-cleaning mechanism; 401-linear drive; 402-cover; 403-vacuum cleaner; 5-display screen; 6-operating table; 7-barcode scanner. DETAILED DESCRIPTION

[0026] The following is a detailed description of the specific embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention and are not intended to limit the present invention.

[0027] In the description of the embodiments of the present utility model, it should be noted that if the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the utility model product is usually placed when in use. It is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, if the terms "first", "second", "third" and the like appear, they are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In addition, if the terms "horizontal", "vertical", "overhanging" and the like appear, it does not mean that the component is required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0028] In the description of the embodiments of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0029] In order to further understand the features, technical means, specific objectives and functions achieved by the present invention, the present invention is described in further detail below in conjunction with the accompanying drawings and specific implementation methods.

[0030] Reference Figure 1-Figure 5 : A visual inspection device, the device includes: a main frame 1, a clamping mechanism 2, a visual inspection mechanism 3 and a cleaning mechanism 4, the main frame 1 is provided with a clamping mechanism 2, and the clamping mechanism 2 is provided with visual inspection mechanisms 3 on two opposite sides, the cleaning mechanism 4 is arranged on one side of the clamping mechanism 2 for cleaning the workpiece on the clamping mechanism 2; wherein, the cleaning mechanism 4 includes: a linear drive 401, a cover body 402 and a dust collector 403, the cover body 402 is arranged in a liftable manner directly above the clamping mechanism 2, and a plurality of air inlet holes are provided on its side wall, the dust collector 403 is arranged on the main frame 1, and its air inlet is connected to the air outlet holes on the side wall of the cover body 402, and the linear drive 401 is vertically arranged on one side of the clamping mechanism 2 for driving the cover body 402 to rise and fall.

[0031] The present application uses a clamping mechanism 2 to clamp the workpiece, then starts the linear drive 401 to drive the cover body 402 to move downward to cover the workpiece, then starts the vacuum cleaner 403 to suck away the dust on the workpiece inside the cover body 402, and then starts the linear drive 401 to drive the cover body 402 to move upward, so that the visual inspection mechanism 3 can inspect the workpiece; thereby improving the inspection accuracy.

[0032] Reference Figure 5 The clamping mechanism 2 includes a rotating table 201 and a positioning tool 202. The rotating table 201 is rotatably arranged on the main frame 1, and the positioning tool 202 is arranged on the rotating table 201 for clamping the workpiece.

[0033] The present application uses the positioning tool 202 to clamp the workpiece, and then starts the rotating table 201 to drive the positioning tool 202 to rotate, so that the cleaning mechanism 4 can fully clean the workpiece on the rotating table 201, and it is also convenient for the visual inspection mechanism 3 to fully inspect the workpiece on the rotating table 201; thereby improving the inspection accuracy.

[0034] Reference Figure 5 : The visual detection mechanism 3 includes: an intelligent camera 301 and a light source 302. The main frame 1 is provided with movable frames 101 on opposite sides of the clamping mechanism 2. Each movable frame 101 is provided with an intelligent camera 301 that can move back and forth toward the clamping mechanism 2. The imaging end of the intelligent camera 301 is provided with a light source 302.

[0035] The present application sets a light source 302 to ensure that the smart camera 301 can clearly photograph the workpiece; at the same time, the smart camera 301 can move back and forth toward the workpiece through the movable frame 101 to ensure that the smart camera 301 can clearly photograph the workpiece; thereby improving the detection accuracy.

[0036] Reference Figure 5 : The movable frame 101 is provided with a slide rail 10101 and a sliding platform 10102 which is arranged on the slide rail 10101 and can be reciprocated toward the clamping mechanism 2, and the smart camera 301 is detachably arranged on the sliding platform 10102.

[0037] The slide rail 10101 on the mobile frame 101 of the present application allows the sliding table 10102 to move back and forth, so that the smart camera 301 can be adjusted to different positions as needed to adapt to workpieces of different sizes and shapes, thereby improving the flexibility of detection and helping to detect more defects; the smart camera 301 can be detachably fixed on the sliding table 10102, which is convenient for rapid maintenance, replacement or upgrading when needed, thereby improving the operability of the equipment.

[0038] Reference Figure 4: The sliding platform 10102 is detachably provided with a protective shell 102 that covers the smart camera 301.

[0039] The protective case 102 of the present application can effectively prevent dust, dirt and other external substances from contaminating the smart camera 301, thereby extending the service life of the camera; the protective case 102 provides an additional buffer layer, reducing the risk of damage caused by accidental collisions or physical impacts, and ensuring the safe operation of the camera in the factory environment; the detachable design allows the operator to easily remove the protective case 102 for cleaning and maintenance, keeping the equipment in optimal condition and improving the accuracy of detection.

[0040] Reference Figure 5 : The horizontal thread on the movable frame 101 passes through the sliding table 10102 and is provided with a rotating screw rod 10103 that can drive the sliding table 10102 to move back and forth toward the clamping mechanism 2.

[0041] The present application can achieve smooth movement of the sliding table 10102 through the rotation of the screw rod, and the operator only needs to rotate the screw rod to complete the adjustment of the detection position.

[0042] Reference Figure 5 : A rotating handle 10104 is provided at one end of the rotating screw rod 10103 away from the clamping mechanism 2.

[0043] The setting of the rotating handle 10104 of the present application allows the operator to more easily control the rotation of the screw rod, thereby achieving more intuitive and convenient adjustment of the sliding table 10102.

[0044] Reference Figure 1-Figure 3 : A display screen 5 and an operating console 6 for operating the display screen 5 are provided on the subject frame.

[0045] The display screen 5 of the present application can display the test results, operation interface or other important information in real time, making it convenient for operators to view and obtain data at any time; through the operating console 6, users can intuitively adjust settings, input parameters and analyze results, thereby improving the convenience and efficiency of operations.

[0046] Reference Figure 1-Figure 3 : A barcode scanning gun 7 is detachably provided on the main frame 1 for starting the device.

[0047] The setting of the barcode scanner 7 of the present application allows the user to quickly start the device by scanning a barcode or a QR code, reducing the need for physical buttons or complex operations and improving the convenience of use.

[0048] When the device provided by the present invention is in use, the clamping mechanism 2 is used to clamp the workpiece, and then the linear drive 401 is started to drive the cover body 402 to move downward to cover the workpiece, and then the vacuum cleaner 403 is started to suck away the dust on the workpiece in the cover body 402, and then the linear drive 401 is started to drive the cover body 402 to move upward, so that the visual detection mechanism 3 can detect the workpiece; thereby improving the detection accuracy.

[0049] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. Within the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, and these simple modifications all fall within the scope of protection of the present invention.

[0050] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any appropriate manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

[0051] In addition, the various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A visual inspection device, characterized in that: The device comprises: a main frame (1), a clamping mechanism (2), a visual detection mechanism (3) and a dust cleaning mechanism (4); the main frame (1) is provided with a clamping mechanism (2); the clamping mechanism (2) is provided with visual detection mechanisms (3) on opposite sides of the clamping mechanism (2); the dust cleaning mechanism (4) is provided on one side of the clamping mechanism (2) for cleaning the workpiece on the clamping mechanism (2); wherein, The dust cleaning mechanism (4) comprises: a linear drive (401), a cover (402) and a dust collector (403); the cover (402) is arranged to be liftable directly above the clamping mechanism (2), and its side wall is provided with an air outlet and a plurality of air inlet holes; the dust collector (403) is arranged on the main frame (1), and its air inlet is connected to the air outlet holes on the side wall of the cover (402); the linear drive (401) is vertically arranged on one side of the clamping mechanism (2) to drive the cover (402) to rise and fall.

2. A visual inspection device according to claim 1, characterized in that: The clamping mechanism (2) comprises: a rotating platform (201) and a positioning tool (202); the rotating platform (201) is rotatably arranged on the main frame (1); and the positioning tool (202) is arranged on the rotating platform (201) for clamping a workpiece.

3. A visual inspection device according to claim 2, characterized in that: The visual detection mechanism (3) comprises: an intelligent camera (301) and a light source (302); movable frames (101) are respectively provided on the main frame (1) at opposite sides of the clamping mechanism (2); each movable frame (101) is provided with an intelligent camera (301) so as to be reciprocally movable toward the clamping mechanism (2); and an imaging end of the intelligent camera (301) is provided with a light source (302).

4. A visual inspection device according to claim 3, characterized in that: The movable frame (101) is provided with a slide rail (10101) and a sliding platform (10102) arranged on the slide rail (10101) and capable of reciprocating toward the clamping mechanism (2), and the smart camera (301) is detachably arranged on the sliding platform (10102).

5. A visual inspection device according to claim 4, characterized in that: The sliding platform (10102) is detachably provided with a protective shell (102) which covers the smart camera (301).

6. A visual inspection device according to claim 4, characterized in that: The horizontal thread on the movable frame (101) passes through the sliding platform (10102) and is provided with a rotating screw rod (10103) capable of driving the sliding platform (10102) to move back and forth toward the clamping mechanism (2).

7. A visual inspection device according to claim 6, characterized in that: A rotating handle (10104) is provided at one end of the rotating screw rod (10103) away from the clamping mechanism (2).

8. A visual inspection device according to claim 1, characterized in that: The main frame is provided with a display screen (5) and an operating table (6) for operating the display screen (5).

9. A visual inspection device according to claim 1, characterized in that: The main frame (1) is detachably provided with a barcode scanning gun (7) for starting the device.

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