Automatic adjusting mechanism for camera light source

Abstract

The utility model discloses an automatic adjusting mechanism for a camera light source, which relates to the technical field of automatic cigarette case detection equipment and comprises a placing platform for placing a product to be detected, an image acquisition mechanism for acquiring an appearance image of the product to be detected, and a light source mechanism for providing a light source for the product to be detected, the distance between the image acquisition mechanism and the placing platform and the distance between the light source mechanism and the placing platform can be adjusted. The automatic adjusting device is composed of the first servo motor, the first moving module, the hollow rotating platform, the moving claw assembly and the stepping motor, so that the automatic adjusting requirement of the image acquisition camera and the illuminating lamp strip is met, rapid switching of product models is achieved, and guarantee is provided for the precision and accuracy of subsequent defect detection. Control is more accurate, stability is better, adjustment and change can be carried out at any time according to the later interval change, time cost is saved, the adjustment time of product replacement is shortened, and production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic cigarette box detection equipment, and more specifically to the technical field of automatic light source adjustment mechanism for cameras. Background Art

[0002] For the automatic defect detection equipment for cigarette packs, during the defect detection process of cigarette packs, the compatibility requirements of the equipment are relatively high. The types and sizes of products vary greatly, and the detection accuracy requirements are high. During the operation of the equipment, the product model may be switched many times a day. In this way, it is necessary to automatically adjust the camera, light source, etc. of the detection station to meet the needs of rapid model change. The existing patents disclose the following technologies:

[0003] The patent with the publication number CN1537782A and the patent name "A cigarette box packaging quality detection system" discloses the following content: A cigarette box packaging quality detection system, including: a position detection unit, which outputs a signal that the cigarette box is at the detection position when the cigarette box moves to the detection position; an image acquisition unit connected to the position detection unit, which captures a grayscale image of the cigarette box surface when receiving the signal that the cigarette box is at the detection position, and the brightness and chromaticity of the captured grayscale image are selected to make the grayscale contrast of the standard image larger, wherein the standard image is a grayscale image of a cigarette box without quality defects; an image processing unit connected to the image acquisition unit, which compares the grayscale image output by the image acquisition unit with a preset standard image and outputs a comparison result signal; a rejection processing unit connected to the image processing unit, if a rejection signal is received, the corresponding cigarette box is rejected. The cigarette box packaging quality detection system of the present invention has the advantages of low cost, fast processing speed, and good position detection accuracy and stability.

[0004] The above patent and existing automatic detection systems have the problem that the light source and image acquisition equipment are inconvenient to adjust, and the position of the camera and light source needs to be adjusted manually. However, this method has the defects of high labor intensity and cumbersome debugging. Utility Model Content

[0005] The purpose of the utility model is to solve the above technical problems and provide an automatic adjustment mechanism for a camera light source.

[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0007] The utility model provides an automatic adjustment mechanism for a camera light source, comprising a placement platform for placing a product to be detected, an image acquisition mechanism for acquiring an appearance image of the product to be detected, and a light source mechanism for providing a light source for the product to be detected, wherein the distances between the image acquisition mechanism and the light source mechanism and the placement platform are adjustable.

[0008] In one embodiment, the image acquisition mechanism includes two image acquisition components symmetrically arranged on both sides of the placement platform and with an adjustable distance between them.

[0009] In one embodiment, each of the image acquisition components includes a mounting platform, an image acquisition camera movably disposed on the mounting platform, a first movable module disposed on the mounting platform for driving the image acquisition camera to move back and forth, and a first power mechanism for driving the movable module to work.

[0010] In one embodiment, the first moving module is a screw-nut mechanism, the image acquisition camera is mounted on a nut of the screw-nut mechanism, and the first power mechanism is a first servo motor that drives the screw of the screw-nut mechanism to rotate.

[0011] In one embodiment, the light source mechanism includes two light source assemblies symmetrically arranged on both sides of the placement platform and with an adjustable distance therebetween.

[0012] In one embodiment, each of the light source assemblies includes a base, a movable claw assembly, a second movable module disposed on the base for driving the movable claw assembly to move, a second power mechanism for driving the second movable module to work, and a lighting assembly installed on the movable claw.

[0013] In one embodiment, the second moving module is a screw-nut mechanism, the moving claw assembly is mounted on a nut of the screw-nut mechanism, and the second power mechanism is a second servo motor that drives the screw of the screw-nut mechanism to rotate.

[0014] In one embodiment, the movable claw assembly includes a vertically arranged mounting plate, and the lighting assembly includes two rotating lighting units symmetrically arranged at upper and lower ends of the mounting plate.

[0015] In one embodiment, each of the rotating lighting units includes a hollow rotating platform, a stepper motor and a lighting strip, the hollow rotating platform is installed on the front side of the mounting plate, the lighting strip is eccentrically arranged on the hollow rotating platform, and the stepper motor is fixed on the back side of the mounting plate and is used to drive the hollow rotating platform to rotate.

[0016] In one embodiment, the lighting strip is an LED light strip, and the lighting strip is located between the placement platform and the corresponding image acquisition mechanism.

[0017] The beneficial effects of the utility model are as follows:

[0018] The utility model has a reasonable design. The utility model is composed of a first servo motor, a first moving module, a hollow rotating platform, a moving claw assembly and a stepping motor, so as to meet the automatic adjustment requirements of the image acquisition camera and the lighting strip, realize the rapid switching of product models, and provide guarantee for the precision and accuracy of subsequent defect detection. The control is more precise and the stability is better. It can be adjusted at any time according to the change of the later spacing, and can be changed at any time, saving time and cost, reducing the adjustment time of changing products, and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure numerals: 1-first servo motor, 2-first moving module, 3-hollow rotating platform, 4-stepping motor, 5-moving claw assembly, 6-light strip, 7-product to be inspected, 8-image acquisition camera. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0024] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do 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 invention.

[0025] Example 1

[0026] like Figure 1 As shown, this embodiment provides an automatic adjustment mechanism for a camera light source, including a placement platform for placing a product 7 to be inspected, an image acquisition mechanism for acquiring an appearance image of the product 7 to be inspected, and a light source mechanism for providing light to the product 7 to be inspected, and the distance between the image acquisition mechanism and the light source mechanism and the placement platform is adjustable.

[0027] Example 2

[0028] like Figure 1 As shown, this embodiment provides an automatic adjustment mechanism for a camera light source, including a placement platform for placing a product 7 to be inspected, an image acquisition mechanism for acquiring an appearance image of the product 7 to be inspected, and a light source mechanism for providing light to the product 7 to be inspected, and the distance between the image acquisition mechanism and the light source mechanism and the placement platform is adjustable.

[0029] The image acquisition mechanism comprises two image acquisition components which are symmetrically arranged on both sides of the placement platform and the distance between them can be adjusted.

[0030] Each image acquisition component includes a mounting platform, an image acquisition camera 8 movably arranged on the mounting platform, a first movable module 2 arranged on the mounting platform for driving the image acquisition camera 8 to move back and forth, and a first power mechanism for driving the movable module to work.

[0031] Example 3

[0032] like Figure 1 As shown, this embodiment provides an automatic adjustment mechanism for a camera light source, including a placement platform for placing a product 7 to be inspected, an image acquisition mechanism for acquiring an appearance image of the product 7 to be inspected, and a light source mechanism for providing light to the product 7 to be inspected, and the distance between the image acquisition mechanism and the light source mechanism and the placement platform is adjustable.

[0033] The image acquisition mechanism comprises two image acquisition components which are symmetrically arranged on both sides of the placement platform and the distance between them can be adjusted.

[0034] Each image acquisition component includes a mounting platform, an image acquisition camera 8 movably arranged on the mounting platform, a first movable module 2 arranged on the mounting platform for driving the image acquisition camera 8 to move back and forth, and a first power mechanism for driving the movable module to work.

[0035] The first moving module 2 is a screw-nut mechanism, the image acquisition camera 8 is mounted on the nut of the screw-nut mechanism, and the first power mechanism is a first servo motor 1 that drives the screw of the screw-nut mechanism to rotate.

[0036] The light source mechanism comprises two light source components which are symmetrically arranged on both sides of the placement platform and the distance between them can be adjusted.

[0037] Each light source assembly includes a base, a moving claw assembly 5, a second moving module arranged on the base to drive the moving claw assembly 5 to move, a second power mechanism to drive the second moving module to work, and a lighting assembly installed on the moving claw.

[0038] The second moving module is a screw-nut mechanism, the moving claw assembly 5 is mounted on the nut of the screw-nut mechanism, and the second power mechanism is a second servo motor that drives the screw of the screw-nut mechanism to rotate.

[0039] The movable claw assembly 5 comprises a vertically arranged mounting plate, and the lighting assembly comprises two rotating lighting units symmetrically arranged at the upper and lower ends of the mounting plate.

[0040] Each rotating lighting unit includes a hollow rotating platform 3, a stepper motor 4 and a lighting strip 6. The hollow rotating platform 3 is installed on the front of the mounting plate, the lighting strip 6 is eccentrically arranged on the hollow rotating platform 3, and the stepper motor 4 is fixed on the back of the mounting plate and is used to drive the hollow rotating platform 3 to rotate.

[0041] The lighting strip 6 is an LED light strip, and the lighting strip 6 is located between the placement platform and the corresponding image acquisition mechanism.

[0042] Working principle: When the product enters the defect inspection station, when the model of the product to be inspected 7 is switched, the first servo motor 1 rotates to drive the image acquisition camera 8 to move on the first moving module 2, and automatically moves to a fixed position. The first servo motor 1 rotates to drive the lighting strip 6 to move on the first moving module 2, the stepper motor 4 drives the lighting strip 6 to rotate on the hollow rotating platform 3, and the moving claw assembly 5 drives the lighting strip 6 to move up and down, so that the light source automatically moves to a fixed position and angle. This achieves the purpose of quickly switching the model of the product to be inspected 7, and provides a guarantee for the precision and accuracy of subsequent defect detection.

Claims

1. A camera light source automatic adjustment mechanism, characterized in that: It comprises a placement platform for placing a product to be detected (7), an image acquisition mechanism for acquiring an appearance image of the product to be detected (7), and a light source mechanism for providing a light source to the product to be detected (7); the distance between the image acquisition mechanism and the light source mechanism and the placement platform is adjustable.

2. The automatic adjustment mechanism for camera light source according to claim 1, characterized in that: The image acquisition mechanism comprises two image acquisition components which are symmetrically arranged on both sides of the placement platform and the distance between them can be adjusted.

3. The automatic adjustment mechanism for camera light source according to claim 2, characterized in that: Each of the image acquisition components comprises a mounting platform, an image acquisition camera (8) movably arranged on the mounting platform, a first movable module (2) arranged on the mounting platform for driving the image acquisition camera (8) to move back and forth, and a first power mechanism for driving the movable module to work.

4. The automatic light source adjustment mechanism for a camera according to claim 3, characterized in that: The first moving module (2) is a screw-nut mechanism, the image acquisition camera (8) is mounted on a nut of the screw-nut mechanism, and the first power mechanism is a first servo motor (1) that drives the screw of the screw-nut mechanism to rotate.

5. The automatic adjustment mechanism for camera light source according to claim 1, characterized in that: The light source mechanism comprises two light source components which are symmetrically arranged on both sides of the placement platform and the distance between them can be adjusted.

6. The automatic light source adjustment mechanism for a camera according to claim 5, characterized in that: Each of the light source assemblies comprises a base, a movable claw assembly (5), a second movable module arranged on the base for driving the movable claw assembly (5) to move, a second power mechanism for driving the second movable module to work, and a lighting assembly installed on the movable claw.

7. The automatic adjustment mechanism for camera light source according to claim 6, characterized in that: The second moving module is a screw-nut mechanism, the moving claw assembly (5) is mounted on the nut of the screw-nut mechanism, and the second power mechanism is a second servo motor that drives the screw of the screw-nut mechanism to rotate.

8. The automatic adjustment mechanism for camera light source according to claim 7, characterized in that: The movable claw assembly (5) comprises a vertically arranged mounting plate, and the lighting assembly comprises two rotating lighting units symmetrically arranged at the upper and lower ends of the mounting plate.

9. The automatic adjustment mechanism for camera light source according to claim 8, characterized in that: Each of the rotating lighting units comprises a hollow rotating platform (3), a stepper motor (4) and a lighting strip (6); the hollow rotating platform (3) is mounted on the front of the mounting plate; the lighting strip (6) is eccentrically arranged on the hollow rotating platform (3); and the stepper motor (4) is fixed on the back of the mounting plate and is used to drive the hollow rotating platform (3) to rotate.

10. The automatic adjustment mechanism for camera light source according to claim 9, characterized in that: The lighting light strip (6) is an LED light strip, and the lighting light strip (6) is located between the placement platform and the corresponding image acquisition mechanism.

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