Detection equipment based on machine vision

Abstract

The utility model discloses detection equipment based on machine vision, which comprises a working table, a conveying belt is arranged in the middle of the working table, a workpiece is placed on the conveying belt, a detection mechanism is arranged on the working table, the detection mechanism comprises a support frame arranged on the working table, and a first servo motor is arranged on the support frame. An output shaft of the first servo motor is connected with a first lead screw, the first lead screw is in threaded connection with a lifting table, one end of the lifting table is provided with a second servo motor, and the lifting table is driven to move by starting the first servo motor, so that the visual camera can be adjusted to the height matched with a workpiece through movement of the lifting table; therefore, the purpose of detecting workpieces of different specifications is achieved, and the production cost is further reduced. And by operating a second servo motor, a moving rod can reciprocate in the horizontal direction, so that the visual camera is driven to synchronously move, and the purpose that the visual camera globally detects the workpiece is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of machine vision detection, in particular to a machine vision-based detection device. Background Art

[0002] Visual inspection is to use machines instead of human eyes to make measurements and judgments. Visual inspection refers to converting the captured target into image signals through machine vision products and transmitting them to dedicated image processing systems. Many emerging industries have put forward higher requirements for inspection.

[0003] The utility model with the authorization announcement number CN221464663U discloses a visual inspection device based on machine vision, which specifically relates to the field of visual inspection equipment, including a workbench and a support plate, wherein an adjustment mechanism is fixedly connected to the upper rear end of the workbench, wherein the adjustment mechanism includes a sleeve plate, wherein the bottom of the sleeve plate is connected to a movable shaft via a shaft sleeve, wherein the outer wall of the movable shaft is fixedly connected to a first gear, and one side of the first gear is meshedly connected to a second gear. The utility model starts the servo motor, which drives the second gear to rotate, and then drives the first gear to rotate, and drives the movable shaft and the screw rod to rotate, the moving block moves on the screw rod, and drives the reinforcement plate to move its position and adjust the height, and then the workpiece moves on the conveyor belt, and then starts the electric slide rail, and then drives the slider to move on the electric slide rail, which will drive the extension plate and the visual inspection component to move back and forth, and take photos of the workpieces at multiple positions on the conveyor belt for inspection.

[0004] The detection equipment disclosed in the above utility model requires several components to control the movement of the reinforcement plate, which has a high production cost; and the equipment can only perform horizontal detection of the workpiece through visual detection components, with a small detection range and prone to quality risks. Utility Model Content

[0005] The purpose of the present utility model is to provide a machine vision-based inspection device to solve the problem that the inspection device disclosed in the above utility model proposed in the above background technology needs to control the movement of the reinforcement plate through several components, which has a high production cost; and the device can only perform horizontal inspection of the workpiece through visual inspection components, has a small inspection range, and is prone to quality risks.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a machine vision inspection device, comprising a workbench, a conveyor belt is provided at the middle position of the workbench, a workpiece is placed on the conveyor belt, a detection mechanism is provided on the workbench, the detection mechanism includes a support frame installed on the workbench, a first servo motor is installed on the support frame, a first screw rod is connected to the output shaft of the first servo motor, a lifting platform is threadedly connected to the first screw rod, a second servo motor is installed at one end of the lifting platform, a second screw rod is connected to the output shaft of the second servo motor, a moving rod is threadedly connected to the second screw rod, and a visual camera is rotatably connected to the moving rod.

[0007] Preferably, a slider is installed at one end of the lifting platform away from the first screw rod, and a sliding groove is provided on one side wall of the support frame, and the slider is slidably adapted on the sliding groove.

[0008] Preferably, a connecting groove is provided on the lifting platform, the second screw rod is rotatably connected in the connecting groove, and the moving rod threadedly connected to the second screw rod is adapted to the connecting groove.

[0009] Preferably, a movable groove is provided on a side of the support frame close to the second servo motor, and the second servo motor is slidably fitted in the movable groove.

[0010] Preferably, a first connecting rod is rotatably connected to the moving rod, and an end of the first connecting rod away from the moving rod is connected to the visual camera.

[0011] Preferably, an adjustment slot is provided on a side of the lifting platform close to the visual camera, a connecting shaft is slidably connected in the adjustment slot, a second connecting rod is connected to the connecting shaft, and the second connecting rod is connected to the first connecting rod.

[0012] Preferably, a cavity is provided inside the workbench.

[0013] The beneficial effects of the utility model are:

[0014] In the utility model, by starting the first servo motor to drive the movement of the lifting platform, the visual camera can be adjusted to a height matching the workpiece through the movement of the lifting platform, thereby achieving the purpose of inspecting workpieces of different specifications and further reducing production costs; by operating the second servo motor, the moving rod can move back and forth in the horizontal direction, thereby driving the visual camera to move synchronously, thereby achieving the purpose of the visual camera performing global inspection of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of a machine vision detection device proposed in the present invention;

[0016] Figure 2This is a schematic diagram of the side cross-sectional structure of a machine vision detection device proposed in the present invention;

[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of a lifting platform based on machine vision detection equipment proposed in the utility model;

[0018] Figure 4 This is a schematic diagram of the enlarged structure of a lifting platform based on machine vision detection equipment proposed in the utility model.

[0019] In the figure: 1. workbench; 2. conveyor belt; 3. workpiece; 4. detection mechanism; 5. cavity; 41. support frame; 42. first servo motor; 43. first screw rod; 44. lifting platform; 45. second servo motor; 46. second screw rod; 47. moving rod; 48. visual camera; 49. slider; 410. slide groove; 411. connecting groove; 412. moving groove; 413. first connecting rod; 414. adjusting groove; 415. connecting shaft; 416. second connecting rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] Reference Figure 1-4 A machine vision inspection device includes a workbench 1, a conveyor belt 2 is provided at the middle position of the workbench 1, a workpiece 3 is placed on the conveyor belt 2, a detection mechanism 4 is provided on the workbench 1, and the detection mechanism 4 includes a support frame 41 installed on the workbench 1, a first servo motor 42 is installed on the support frame 41, a first screw rod 43 is connected to the output shaft of the first servo motor 42, a lifting platform 44 is threadedly connected to the first screw rod 43, a second servo motor 45 is installed at one end of the lifting platform 44, a second screw rod 46 is connected to the output shaft of the second servo motor 45, a moving rod 47 is threadedly connected to the second screw rod 46, and a visual camera 48 is rotatably connected to the moving rod 47.

[0022] When the device is in use, the first servo motor 42 is started to rotate the first screw rod 43, thereby driving the lifting platform 44 threadedly connected to the first screw rod 43 to reciprocate in the vertical direction, so that the visual camera 48 can be adjusted to a height matching the workpiece 3 through the movement of the lifting platform 44, thereby achieving the purpose of inspecting workpieces 3 of different specifications; then the second servo motor 45 is turned on to rotate the second screw rod 46, thereby causing the moving rod 47 threadedly connected to the second screw rod 46 to reciprocate in the horizontal direction, thereby driving the visual camera 48 to move synchronously, thereby achieving the purpose of the visual camera 48 to perform global inspection of the workpiece 3.

[0023] Specifically, in the embodiment, the lifting platform 44 is provided with a sliding block 49 at one end away from the first lead screw 43, and a sliding groove 41 is formed on one side wall surface of the support frame 41, and the sliding block 49 is slidingly fitted in the sliding groove 41, so that the lifting platform 44 can be slidingly connected to the support frame 41 through the sliding groove 41 and the sliding block 49, thereby limiting the moving direction of the lifting platform 44, so that it can only move in the vertical direction.

[0024] Specifically, in the embodiment, a connecting groove 411 is formed on the lifting platform 44, the second lead screw 46 is rotationally connected in the connecting groove 411, and a moving rod 47 threaded on the second lead screw 46 is adapted to the connecting groove 411, so that the second lead screw 46 can be rotationally connected to the lifting platform 44 through the connecting groove 411, and the moving rod 47 is limited by the connecting groove 411, so that the moving rod 47 can only move in the horizontal direction.

[0025] Specifically, in the embodiment, a moving groove 412 is formed on one side of the support frame 41 close to the second servo motor 45, and the second servo motor 45 is slidingly fitted in the moving groove 412, so that the second servo motor 45 can be slidingly connected to the support frame 41 through the moving groove 412, thereby preventing the wall lifting platform 44 from moving while driving the second servo motor 45 to move synchronously, so that the second servo motor 45 is limited by the support frame 41, thereby providing protection for the normal operation of the equipment.

[0026] Specifically, in the embodiment, a first connecting rod 413 is rotationally connected to the moving rod 47, and one end of the first connecting rod 413 away from the moving rod 47 is connected to the visual camera 48, so that the visual camera 48 can be rotationally connected to the moving rod 47 through the first connecting rod 413, thereby adjusting the angle of the visual camera 48, so that it can detect different positions of the workpiece 3.

[0027] Specifically, in the embodiment, an adjusting groove 414 is formed on one side of the lifting platform 44 close to the visual camera 48, a connecting shaft 415 is slidingly connected in the adjusting groove 414, a second connecting rod 416 is connected to the connecting shaft 415, and the second connecting rod 416 is connected to the first connecting rod 413, so that when the moving rod 47 moves in the horizontal direction, the first connecting rod 413 and the second connecting rod 416 move synchronously, thereby causing the connecting shaft 415 to slide in the adjusting groove 414, thereby achieving the purpose of adjusting the height of the visual camera 48 through the adjusting groove 414, so that the visual camera 48 can detect the workpiece 3 at multiple angles while moving.

[0028] Specifically, in this embodiment, the workbench 1 is internally provided with a cavity 5, the cavity 5 is provided so that the space of the workbench 1 is fully utilized, and the space in the cavity 5 is planned by the user to store various articles, thereby further improving the practicability of the equipment.

[0029] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A machine vision inspection device, comprising a workbench (1), a conveyor belt (2) provided at the middle of the workbench (1), a workpiece (3) placed on the conveyor belt (2), and an inspection mechanism (4) provided on the workbench (1), characterized in that: The detection mechanism (4) includes a support frame (41) installed on the workbench (1), a first servo motor (42) is installed on the support frame (41), a first screw rod (43) is connected to the output shaft of the first servo motor (42), a lifting platform (44) is threadedly connected to the first screw rod (43), a second servo motor (45) is installed at one end of the lifting platform (44), a second screw rod (46) is connected to the output shaft of the second servo motor (45), a moving rod (47) is threadedly connected to the second screw rod (46), and a visual camera (48) is rotatably connected to the moving rod (47).

2. The machine vision inspection device according to claim 1, characterized in that: A slider (49) is installed at one end of the lifting platform (44) away from the first screw rod (43), and a sliding groove (410) is opened on a side wall of the support frame (41), and the slider (49) is slidably adapted on the sliding groove (410).

3. The machine vision inspection device according to claim 1, characterized in that: The lifting platform (44) is provided with a connecting groove (411), the second screw rod (46) is rotatably connected in the connecting groove (411), and the moving rod (47) threadedly connected to the second screw rod (46) is adapted to the connecting groove (411).

4. The machine vision inspection device according to claim 1, characterized in that: A movable groove (412) is provided on one side of the support frame (41) close to the second servo motor (45), and the second servo motor (45) is slidably fitted in the movable groove (412).

5. The machine vision inspection device according to claim 1, characterized in that: The moving rod (47) is rotatably connected to a first connecting rod (413), and one end of the first connecting rod (413) away from the moving rod (47) is connected to a visual camera (48).

6. The machine vision inspection device according to claim 1, characterized in that: An adjustment slot (414) is provided on one side of the lifting platform (44) close to the visual camera (48), a connecting shaft (415) is slidably connected in the adjustment slot (414), a second connecting rod (416) is connected to the connecting shaft (415), and the second connecting rod (416) is connected to the first connecting rod (413).

7. The machine vision inspection device according to claim 1, characterized in that: A cavity (5) is provided inside the workbench (1).

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