Visual inspection screening equipment

Abstract

The utility model discloses visual inspection screening equipment which comprises an equipment body, a conveying belt and a shading visual inspection mechanism, the equipment body is used for screening qualified materials, the conveying belt is used for conveying the detected materials, and the shading visual inspection mechanism is used for conducting shading detection on the materials; the shading visual detection mechanism comprises a detection camera, a light supplementing mechanism and a shading plate, the detection camera is used for performing visual detection on materials, the light supplementing mechanism is used for supplementing light to the detection camera, the shading plate is used for shading an external light source, and the detection camera is supported by the adjusting support frame; the adjusting supporting frame comprises a supporting plate, a sliding supporting frame and a driving mechanism used for driving the sliding supporting frame to slide. When the camera is used for visual inspection, the camera has a good shading effect and is not influenced by irradiation of other light sources with different colors, so that the detection accuracy of the camera can be greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of product detection, in particular to visual detection and screening equipment. Background Art

[0002] Gears are widely used in various equipment and instruments, with the characteristics of high transmission accuracy, strong load-bearing capacity, and long life. Its structure is relatively simple, usually consisting of two parts: a gear rack and a gear disc.

[0003] After the gears are processed, they need to be inspected. Only after they pass the inspection can they be put into use or packaged for transportation. The inspection method in existing processing plants mostly uses visual inspection equipment to inspect the workpieces to check the pass rate of the workpieces. When using it, it is necessary to add fill light outside the camera to improve the accuracy of camera inspection.

[0004] The camera fill light device in the existing visual inspection equipment needs to replace the fill light with different color lights according to the inspection requirements. However, when the fill light is used to illuminate the camera, it will be affected by other surrounding light sources, and the color uniformity of the fill light cannot be guaranteed, which will greatly affect the camera's detection accuracy. Utility Model Content

[0005] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a visual inspection and screening device that has a good light shielding effect during visual inspection and is not affected by illumination from other light sources of different colors, thereby greatly improving the accuracy of camera detection.

[0006] According to an embodiment of the present invention, the visual inspection and screening device includes an equipment body, a conveyor belt, and a light-shielding visual inspection mechanism. The equipment body is used to screen qualified materials, the conveyor belt is used to transport the inspected materials, and the light-shielding visual inspection mechanism is used to perform light-shielding inspection on the materials.

[0007] The light-shielding visual inspection mechanism includes a detection camera, a light-filling mechanism, and a light-shielding plate. The detection camera is used for visual inspection of materials. The light-filling mechanism is used to fill light for the detection camera. The light-shielding plate is used to block external light sources. The detection camera is supported by an adjustable support frame.

[0008] The adjustment support frame includes a support plate, a sliding support frame and a driving mechanism for driving the sliding support frame to slide.

[0009] According to the visual inspection and screening equipment of the embodiment of the present invention, a light shielding hood for assisting light shading is provided at the upper end of the equipment body, and the light shielding hood includes a plurality of support rods, a light shielding glass arranged between every two of the support rods, and a sealing cover plate, and the light shielding glass and the sealing cover plate are both used for light shading.

[0010] According to the visual inspection and screening equipment of the embodiment of the present invention, the rear shading glass is an opaque shading glass, and the other shading glasses are all dark shading glasses, and the sealing cover plates are fixedly arranged on the upper ends of several of the support rods.

[0011] According to the visual inspection and screening equipment of the embodiment of the present utility model, the sliding support frame is fixedly connected to the inspection camera through a fixing plate, and the fill light mechanism includes a fixing sleeve threadedly connected to the fixing plate, a fill light arranged inside the fixing sleeve, and a rotating handle arranged at the upper end of the fixing sleeve.

[0012] According to the visual inspection and screening equipment of the embodiment of the present invention, T-shaped grooves are vertically opened on both sides of the fixed plate, the light shielding plate is mounted on the outside of the fixed plate, the light shielding plate is slidably connected to the T-shaped grooves through a T-shaped slider, and a through groove adapted to the sliding support frame is vertically opened on the side of the light shielding plate close to the sliding support frame.

[0013] According to the visual inspection and screening equipment of the embodiment of the present invention, a cover plate is provided at the upper end of the light shielding plate, a mounting disk is provided at the upper end of the inspection camera, a driving motor is provided at the upper end of the mounting disk, and a screw rod is provided at the output end of the driving motor which is threadedly connected to the cover plate.

[0014] According to the visual inspection and screening equipment of an embodiment of the present invention, a slide groove is vertically opened inside the support plate, and a second screw rod is vertically rotatably connected inside the slide groove and is threadedly engaged with the sliding support frame. The second drive motor is arranged at the upper end of the support plate and connected to the second screw rod.

[0015] According to the visual inspection and screening equipment of the embodiment of the present invention, an electric slide rail for driving the support plate to slide is provided at the upper end of the equipment body, and the sliding support frame is a triangular support frame structure.

[0016] The visual inspection and screening device according to the embodiment of the present invention has at least the following beneficial effects:

[0017] First, the utility model uses a conveyor belt to transport the material into the equipment body, and then uses a light-shielding visual detection mechanism to perform visual inspection on the material at the upper end of the conveyor belt. Compared with manual inspection, it has more efficient inspection efficiency. During inspection, the fill light mechanism is used to achieve a fill light effect on the detection camera. When performing fill light, the light shielding plate set in the light-shielding visual detection mechanism is used to isolate and shield the external light source, and will not be affected by the illumination of other light sources of different colors. Therefore, the accuracy of camera detection can be greatly improved.

[0018] Secondly, the utility model supports several shading glasses and a sealing cover plate through the support rods provided, thereby achieving the shading effect of the entire shading hood, thereby further achieving good shading performance, and setting the rear shading glass to be opaque shading glass can make up for the light leakage of the shading plate, and setting the remaining shading glass to dark shading glass, so that it can ensure that the shading hood has good shading performance while not affecting the detection situation inside the observation equipment.

[0019] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 This is a schematic diagram of the internal three-dimensional structure of the visual inspection and screening equipment according to an embodiment of the present invention;

[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the visual inspection and screening equipment according to an embodiment of the present utility model;

[0023] Figure 3 This is a schematic diagram of the internal three-dimensional structure of the light-shielding visual inspection mechanism of the visual inspection and screening equipment according to an embodiment of the present utility model;

[0024] Figure 4 A three-dimensional schematic diagram of a light-shielding visual inspection mechanism of a visual inspection and screening device according to an embodiment of the present invention;

[0025] Figure 5 This is a schematic cross-sectional view of the interior of a light-shielding visual inspection mechanism of a visual inspection and screening device according to an embodiment of the present invention;

[0026] Figure 6 A side cross-sectional schematic diagram of a visual inspection and screening device according to an embodiment of the present invention;

[0027] Figure 7 This is a schematic diagram of the three-dimensional structure of the light shielding plate of the visual inspection and screening equipment according to an embodiment of the present utility model;.

[0028] In the figure: 100, equipment body; 110, conveyor belt; 120, light-shielding visual detection mechanism; 130, rotating handle; 140, detection camera; 150, fill light mechanism; 160, light shielding plate; 170, adjustment support frame; 180, support plate; 190, sliding support frame; 200, cover plate; 210, light shield; 220, support rod; 230, light-shielding glass; 240, sealing cover; 250, fixing plate; 260, fixing sleeve; 270, fill light; 280, T-type slide; 290, T-type slider; 300, drive motor; 310, screw rod; 320, slide; 330, second screw rod; 340, second drive motor; 350, electric slide rail; 360, mounting plate. DETAILED DESCRIPTION

[0029] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0030] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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 invention.

[0031] In the description of this utility model, "several" means one or more, "more" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. If a first or second is mentioned, this is solely for the purpose of distinguishing the technical features and is not to be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0032] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "mounted, connected, and connected" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0033] The visual inspection and screening device according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

[0034] Reference Figure 1-Figure 7 The present invention aims to provide an embodiment of a visual inspection and screening device. The visual inspection and screening device of this embodiment includes an equipment body 100, a conveyor belt 110 and a light-shielding visual inspection mechanism 120. The equipment body 100 is used to screen qualified materials, the conveyor belt 110 is used to transport the inspected materials, and the light-shielding visual inspection mechanism 120 is used to perform light-shielding inspection on the materials.

[0035] In some specific embodiments of the present invention, a conventional electric control box that can control the entire device can be set outside the device body 100, thereby realizing the control of opening and closing of the electrical components of the entire device.

[0036] In some specific embodiments of the present invention, the conveyor belt 110 can be set at the upper end of the equipment body 100, and the two ends of the conveyor belt 110 can protrude from both sides of the equipment body 100, so as to facilitate receiving the materials transported by the previous link and transporting the inspected materials to the next link.

[0037] In some specific embodiments of the present invention, the light-shielding visual detection mechanism 120 can be set at the upper end of the equipment body 100 and on one side of the conveyor belt 110. Several light-shielding visual detection mechanisms 120 can be set on the equipment body 100 to further improve the accuracy of visual detection of materials.

[0038] In some specific embodiments of the present invention, the light-shielding visual detection mechanism 120 includes a detection camera 140, a fill light mechanism 150 and a light-shielding plate 160. The detection camera 140 is used for visual detection of materials, the fill light mechanism 150 is used to fill light for the detection camera 140, and the light-shielding plate 160 is used to block external light sources. The detection camera 140 is supported by an adjustable support frame 170.

[0039] In some specific embodiments of the present invention, the detection camera 140 can be set above the conveyor belt 110. The detection camera 140 adopts an ultra-clear camera with visual detection function to improve the accuracy and clarity of material detection.

[0040] In some specific embodiments of the present invention, a plurality of fill light mechanisms 150 may be provided around the detection camera 140 to increase the brightness of the fill light and improve the detection effect.

[0041] In some specific embodiments of the present invention, the shading plate 160 can wrap the detection camera 140 and several fill light mechanisms 150, thereby achieving a shading effect and preventing external light sources from affecting the fill light effect of the fill light mechanism 150, thereby improving the detection accuracy of the detection camera 140.

[0042] In some specific embodiments of the present invention, the adjustment support frame 170 includes a support plate 180 , a sliding support frame 190 , and a driving mechanism 200 for driving the sliding support frame 190 to slide.

[0043] In some specific embodiments of the present invention, the support plate 180 can be arranged on an end surface of the device body 100 to provide a supporting effect.

[0044] In some specific embodiments of the present invention, the sliding support frame 190 can be slidably connected to the support plate 180, thereby fixing the detection camera 140.

[0045] In some specific embodiments of the present invention, the second driving motor 340 can drive the sliding support frame 190 to slide on the support plate 180, thereby driving the detection camera 180 to slide up and down as needed.

[0046] In summary, first, this embodiment transports the material transported from the previous process into the equipment body 100 using the conveyor belt 110, and then uses the light-shielding visual inspection mechanism 120 to perform visual inspection on the material at the upper end of the conveyor belt 110, which has higher inspection efficiency than manual inspection.

[0047] Secondly, this embodiment achieves the fill light effect on the detection camera 140 by utilizing the fill light mechanism 150. When performing fill light, the shading plate 160 provided in the shading visual detection mechanism 120 is utilized to isolate and shield the external light source, and will not be affected by the illumination of other light sources of different colors, thereby greatly improving the accuracy of camera detection.

[0048] Furthermore, when the height of the detection camera 140 needs to be adjusted, the second drive motor 340 is used to drive the sliding support frame 190 connected to the detection camera 140 to slide and adjust, thereby achieving the up and down height adjustment of the detection camera 140.

[0049] Reference Figure 2 In some specific embodiments of the present invention, a light shielding hood 210 for auxiliary light shielding can be provided at the upper end of the device body 1. The light shielding hood 210 includes a plurality of support rods 220, a light shielding glass 230 and a sealing cover plate 240 arranged between every two support rods 220. The light shielding glass 230 and the sealing cover plate 240 are both used for light shielding.

[0050] It is easy to understand that in this embodiment, the support rod 220 is provided to support several shading glasses 230 and the sealing cover plate 240 to achieve the shading effect of the entire shading cover 210, thereby further providing good shading properties. At the same time, grooves are provided on both sides of the shading glass 230 for transportation by the conveyor belt 110.

[0051] In some specific embodiments of the present invention, the rear shading glass 230 can be made of opaque shading glass, and the other shading glasses 230 can be made of dark shading glass. The sealing cover 240 is fixedly arranged on the upper ends of the support rods 220 .

[0052] It is easy to understand that this embodiment can compensate for the light leakage of the shading plate 160 by setting the rear shading glass 230 to opaque shading glass, and setting the remaining shading glass 230 to dark shading glass, so as to ensure that the shading cover 230 has good light blocking properties while not affecting the detection situation inside the observation device.

[0053] Reference Figure 3 In some specific embodiments of the present invention, the sliding support frame 190 can be fixedly connected to the detection camera 140 through the fixing plate 250, and the fill light mechanism 150 includes a fixing sleeve 260 threadedly connected to the fixing plate 250, a fill light 270 arranged inside the fixing sleeve 260, and a rotating handle 130 arranged at the upper end of the fixing sleeve 260.

[0054] It is easy to understand that in this embodiment, the detection camera 140 is fixed by the fixing plate 250, so that it can be fixed to the sliding support frame 190. Furthermore, the sliding support frame 190 can drive the detection camera 140 to slide up and down according to needs, and when the fill light mechanism 150 needs to be repaired or replaced later, the handle 130 for conveniently rotating the fixed sleeve 260 is used to rotate the fixed sleeve 260, and then the fixed sleeve 260 of the substitute fill light 270 can be separated from the fixing plate 250, which is convenient for the later repair or replacement of the fill light mechanism 150.

[0055] Reference Figure 5 In some specific embodiments of the present invention, T-shaped grooves 280 can be vertically opened on both sides of the fixed plate 250, the light shielding plate 160 is mounted on the outside of the fixed plate 250, and the light shielding plate 160 is slidably connected to the T-shaped grooves 280 through the T-shaped slider 290. A through groove adapted to the sliding support frame 190 is vertically opened on one side of the light shielding plate 160 close to the sliding support frame 190.

[0056] It is easy to understand that in this embodiment, the shading plate 160 can be adjusted up and down by utilizing the sliding connection between the T-shaped slot and the T-shaped slider 290, thereby adapting to different shading requirements. The through slot on the rear side of the shading plate 160 is provided so as not to affect the normal sliding of the shading plate 160.

[0057] Reference Figure 7 In some specific embodiments of the present invention, a cover plate 200 can be provided at the upper end of the shading plate 160, a mounting plate 360 ​​can be provided at the upper end of the detection camera 140, a driving motor 300 can be provided at the upper end of the mounting plate 360, and a screw rod 310 threadedly connected to the cover plate 200 can be provided at the output end of the driving motor 300.

[0058] It is easy to understand that this embodiment utilizes the drive motor 300 to drive the screw rod 310 to rotate on the cover 200, thereby driving the shading plate 160 to slide up and down electrically, and then, the shading plate 160 can be adjusted accordingly according to the requirements of the shading range and distance.

[0059] In some specific embodiments of the present invention, a slide groove 320 can be vertically opened inside the support plate 180, and a second screw rod 330 that is vertically rotatably connected to the sliding support frame 190 is threadedly engaged inside the slide groove 320. The second drive motor 340 is arranged at the upper end of the support plate 180 and connected to the second screw rod 330.

[0060] Reference Figure 6It is easy to understand that this embodiment utilizes the second drive motor 340 to drive the second screw rod 330 to rotate, thereby driving the sliding support frame 190 to rotate in the slide groove 320, and then driving the detection camera 140 to slide up and down, so as to further improve the flexibility and practicality during detection.

[0061] In some specific embodiments of the present invention, an electric slide rail 350 for driving the support plate 180 to slide may be provided on the upper end of the device body 100, and the sliding support frame 190 is a triangular support frame structure.

[0062] It is easy to understand that this embodiment uses the electric slide rail 350 to drive the support plate 180 to slide, thereby moving the detection camera 140, the fill light mechanism 150 and the light shielding plate 160 away from or close to the conveyor belt 110, which is convenient for flexible adjustment according to the detection requirements in the later stage. The sliding support frame 190 of the triangular support frame structure has higher support stability.

[0063] Throughout this specification, references to terms such as "one embodiment, some embodiments, exemplary embodiments, examples, specific examples, or some examples" indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, illustrative uses of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0064] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. Visual inspection screening equipment, characterized in that, The device comprises a device body (100), a conveyor belt (110), and a light-shielding visual detection mechanism (120), wherein the device body (100) is used to screen qualified materials, the conveyor belt (110) is used to transport the materials to be tested, and the light-shielding visual detection mechanism (120) is used to perform light-shielding detection on the materials; The light-shielding visual detection mechanism (120) comprises a detection camera (140), a light-filling mechanism (150), and a light-shielding plate (160); the detection camera (140) is used for visual detection of materials; the light-filling mechanism (150) is used for filling light for the detection camera (140); the light-shielding plate (160) is used for shielding external light sources; and the detection camera (140) is supported by an adjustable support frame (170); The adjustment support frame (170) comprises a support plate (180), a sliding support frame (190), and a second driving motor (340) for driving the sliding support frame (190) to slide.

2. The visual inspection and screening equipment according to claim 1, characterized in that: A light shield (210) for assisting light shielding is provided at the upper end of the device body (100); the light shield (210) comprises a plurality of support rods (220), a light shielding glass (230) provided between every two support rods (220), and a sealing cover plate (240); the light shielding glass (230) and the sealing cover plate (240) are both used for light shielding.

3. The visual inspection and screening equipment according to claim 2, characterized in that: The rear shading glass (230) is an opaque shading glass, and the remaining shading glasses (230) are all dark shading glasses. The sealing cover plate (240) is fixedly arranged on the upper ends of a plurality of the support rods (220).

4. The visual inspection and screening equipment according to claim 1, characterized in that: The sliding support frame (190) is fixedly connected to the detection camera (140) via a fixing plate (250), and the fill light mechanism (150) comprises a fixing sleeve (260) threadedly connected to the fixing plate (250), a fill light (270) arranged inside the fixing sleeve (260), and a rotating handle (130) arranged at the upper end of the fixing sleeve (260).

5. The visual inspection and screening equipment according to claim 4, characterized in that: Both sides of the fixed plate (250) are vertically provided with T-shaped sliding grooves (280), the light shielding plate (160) is sleeved on the outside of the fixed plate (250), the light shielding plate (160) is slidably connected to the T-shaped sliding grooves (280) through a T-shaped sliding block (290), and a through groove adapted to the sliding support frame (190) is vertically provided on one side of the light shielding plate (160) close to the sliding support frame (190).

6. The visual inspection and screening equipment according to claim 5, characterized in that: A cover plate (200) is provided at the upper end of the light shielding plate (160), a mounting plate (360) is provided at the upper end of the detection camera (140), a driving motor (300) is provided at the upper end of the mounting plate (360), and a screw rod (310) threadedly connected to the cover plate (200) is provided at the output end of the driving motor (300).

7. The visual inspection and screening equipment according to claim 1, characterized in that: A sliding groove (320) is vertically provided inside the support plate (180), and a second screw rod (330) is vertically rotatably connected inside the sliding groove (320) and is threadedly connected to the sliding support frame (190). The second drive motor (340) is arranged at the upper end of the support plate (180) and is connected to the second screw rod (330).

8. The visual inspection and screening equipment according to claim 7, characterized in that: An electric slide rail (350) for driving the support plate (180) to slide is provided at the upper end of the device body (100), and the sliding support frame (190) is a triangular support frame structure.

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