CN215640891U - Product appearance detection device based on machine vision - Google Patents
Product appearance detection device based on machine vision Download PDFInfo
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- CN215640891U CN215640891U CN202121328462.8U CN202121328462U CN215640891U CN 215640891 U CN215640891 U CN 215640891U CN 202121328462 U CN202121328462 U CN 202121328462U CN 215640891 U CN215640891 U CN 215640891U
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Abstract
The utility model discloses a product appearance detection device based on machine vision, which comprises: drive unit and detecting element, detecting element include unable adjustment base, rotation chassis and image collector, and unable adjustment base is used for fixed detecting element, and rotation chassis is connected with unable adjustment base, provides rotary power by drive unit, connects 1 at least image collector on the rotation chassis. Through the mode, the device can perform 360-degree rotation shooting relative to the detection object, the product appearance is detected in an all-round mode, the detection precision is improved, the detection qualified rate is guaranteed, and the secondary detection cost is saved; degree of automation is high, replaces workman's operation, improves detection efficiency, the effectual outward appearance defective rate that has restricted the product.
Description
Technical Field
The utility model relates to the technical field of appearance detection, in particular to a product appearance detection device based on machine vision.
Background
The quality of the product determines the quality of sale and the reputation of the product, so that the appearance of the produced product is detected sequentially by a conveying belt usually by adopting manual detection or visual detection machines at present. However, manual detection is too dependent on the energy and experience of workers, and control of product quality is uneven, but at present, a camera and a light source are usually fixed right above a product conveying belt for shooting detection by an ordinary visual detection machine, although the detection efficiency and precision are improved, the definition of some shot pictures is reduced due to fixed shooting and illumination angles, so that the quality detection precision is reduced, the product reject ratio is increased due to unqualified control of the product quality, and the economic benefit is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem of providing a product appearance detection device based on machine vision, which can detect the product appearance in an all-round way, improve the detection precision, ensure the qualification rate of detection and improve the economic benefit.
In order to solve the technical problems, the utility model adopts a technical scheme that: there is provided a machine vision-based product appearance inspection device, including: drive unit and detecting element, detecting element include unable adjustment base, rotation chassis and image collector, and unable adjustment base is used for fixed detecting element, and rotation chassis is connected with unable adjustment base, provides rotary power by drive unit, connects 1 at least image collector on the rotation chassis.
In a preferred embodiment of the present invention, the driving unit includes a driving gear, a motor and a control device, the control device is electrically connected to the motor, the motor is in transmission connection with the driving gear, the driving gear is in meshing connection with the rotating chassis, and the control device is used for controlling the rotating direction and the rotating speed of the rotating chassis.
In a preferred embodiment of the utility model, the rotating chassis comprises a rotating disc and an assembly disc, the rotating disc is meshed with the driving gear, the assembly disc is connected with the rotating disc, and a plurality of clamping devices are arranged on a panel of the assembly disc and used for fixing the image collector.
In a preferred embodiment of the utility model, the mounting plate is a circular arc plate with a certain radian, the radian faces to the direction of the object to be detected, and the radian ranges from 60 degrees to 175 degrees.
In a preferred embodiment of the utility model, the rotation angle of the rotating disc is 0-360 °.
In a preferred embodiment of the present invention, the detecting device further comprises a frame, the fixing base of the detecting unit is fixedly connected to the frame, and the motor of the driving device is fixed to the frame through the motor mounting plate.
In a preferred embodiment of the present invention, the image collector includes 2 to 8 industrial cameras, which are respectively disposed at different orientations.
The utility model has the beneficial effects that: the utility model utilizes the industrial camera to rotate 360 degrees relative to the detection object for shooting, detects the appearance of the product in an omnibearing way, improves the detection precision, ensures the qualification rate of the detection and saves the cost of secondary detection; degree of automation is high, replaces workman's operation, improves detection efficiency, the effectual outward appearance defective rate that has restricted the product.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural diagram of a preferred embodiment of a machine vision-based product appearance inspection apparatus according to the present invention;
fig. 2 is a schematic structural diagram of a driving unit in the machine vision-based product appearance inspection device shown in fig. 1 according to a preferred embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "front" and "back" and the like refer to the orientation or position relationship based on the drawings or the orientation or position relationship that the utility model product is usually placed when in use, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, the first feature may be present on or under the second feature in direct contact with the first and second feature, or may be present in the first and second feature not in direct contact but in contact with another feature between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Referring to fig. 1 and 2, an embodiment of the present invention includes:
a machine vision-based product appearance inspection device, comprising: a frame 1, a drive unit 2 and a detection unit 3.
The detection unit 3 comprises a fixed base 31, a rotary chassis 32 and an image collector 33, the fixed base 31 is fixedly connected with the rack 1 and used for fixing the detection unit 3, the rotary chassis 32 is connected with the fixed base 31, the driving unit 2 provides rotary power, and the rotary chassis 32 is connected with at least 1 image collector 33.
The image collector 33 preferably includes 2 to 8 industrial cameras, and the industrial cameras are respectively arranged in different directions.
The driving unit 2 comprises a driving gear 21, a motor 22 and a control device, the control device is electrically connected with the motor 22, and the control device preferably selects a PLC control system; the motor 22 is fixed on the frame 1 through a motor mounting plate 23, the motor 22 is in transmission connection with the driving gear 21, and the driving gear 21 is in meshing connection with the rotating chassis 32.
The PLC control system is used for controlling the movement direction, the running speed and the running steps of the motor 22, and further controlling the rotation direction and the rotation speed of the driving gear 21 and the rotating chassis 32, so that the rotation direction and the rotation speed of the industrial camera are controlled. The rotation angle of the rotating chassis 32 is preferably 0 to 360 degrees in the present invention.
The rotating chassis 32 comprises a rotating disc 321 and an assembling disc 322, the rotating disc 321 is meshed with the driving gear 21, the assembling disc 322 is connected with the rotating disc 321, and a plurality of clamping devices 323 are arranged on a panel of the assembling disc 322 and used for fixing the image collector 33. The clamping device 323 may be provided according to the number of industrial cameras, and the setting angle thereof is adjustable.
The assembly disc 322 is an arc disc with a certain radian, the radian faces to the direction of the object to be detected, and the radian range is 60-175 degrees.
The mounting plate 322 may be replaced with a circular arc plate, and may be arbitrarily selected to fit the appearance inspection and industrial camera mounting.
The working principle of the utility model is as follows: after an image acquisition card of the industrial camera and a PLC control system receive a trigger signal, the industrial camera starts to take a picture, the PLC control system controls a motor 22 at the same time, the motor 22 rotates to drive a driving gear 21 and an assembly disc 322 to rotate, and the industrial camera starts to rotate by 360 degrees. Therefore, the industrial camera acquires a complete image of the product to be detected.
In conclusion, the product appearance detection device based on machine vision provided by the utility model utilizes the industrial camera to carry out 360-degree rotation shooting relative to the detection object, so that the product appearance is detected in an all-round manner, the detection precision is improved, the detection qualified rate is ensured, and the secondary detection cost is saved; degree of automation is high, replaces workman's operation, improves detection efficiency, the effectual outward appearance defective rate that has restricted the product.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A machine vision based product appearance inspection device, comprising: drive unit and detecting element, detecting element include unable adjustment base, rotation chassis and image collector, and unable adjustment base is used for fixed detecting element, and rotation chassis is connected with unable adjustment base, provides rotary power by drive unit, connects 1 at least image collector on the rotation chassis.
2. The machine vision-based product appearance detection device according to claim 1, wherein the driving unit comprises a driving gear, a motor and a control device, the control device is electrically connected with the motor, the motor is in transmission connection with the driving gear, the driving gear is in meshing connection with the rotating chassis, and the control device is used for controlling the rotating direction and the rotating speed of the rotating chassis.
3. The machine vision-based product appearance detection device according to claim 1, wherein the rotating base plate comprises a rotating disc and an assembly disc, the rotating disc is meshed with the driving gear, the assembly disc is connected with the rotating disc, and a plurality of clamping devices are arranged on a panel of the assembly disc and used for fixing the image collector.
4. The machine vision-based product appearance inspection device of claim 3, wherein the mounting plate is a circular arc plate having an arc that faces the object to be inspected, the arc ranging from 60 ° to 175 °.
5. The machine-vision based product appearance inspection device of claim 3, wherein the rotation angle of the rotating disk is 0-360 °.
6. The machine vision-based product appearance detection device according to claim 2, further comprising a frame, wherein the fixing base of the detection unit is fixedly connected with the frame, and the motor of the driving device is fixed on the frame through a motor mounting plate.
7. The machine vision-based product appearance detection device of claim 1, wherein the image collector comprises 2-8 industrial cameras, and the industrial cameras are respectively arranged at different orientations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121328462.8U CN215640891U (en) | 2021-06-16 | 2021-06-16 | Product appearance detection device based on machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121328462.8U CN215640891U (en) | 2021-06-16 | 2021-06-16 | Product appearance detection device based on machine vision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215640891U true CN215640891U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121328462.8U Active CN215640891U (en) | 2021-06-16 | 2021-06-16 | Product appearance detection device based on machine vision |
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| Country | Link |
|---|---|
| CN (1) | CN215640891U (en) |
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2021
- 2021-06-16 CN CN202121328462.8U patent/CN215640891U/en active Active
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