CN215640890U - Accurate detection device of product outward appearance based on machine vision - Google Patents
Accurate detection device of product outward appearance based on machine vision Download PDFInfo
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- CN215640890U CN215640890U CN202121328407.9U CN202121328407U CN215640890U CN 215640890 U CN215640890 U CN 215640890U CN 202121328407 U CN202121328407 U CN 202121328407U CN 215640890 U CN215640890 U CN 215640890U
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- 238000001514 detection method Methods 0.000 title claims abstract description 43
- 230000001105 regulatory effect Effects 0.000 claims abstract description 35
- 230000001939 inductive effect Effects 0.000 claims abstract description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a product appearance accurate detection device based on machine vision.A automatic conveying belt penetrates through the position right below a detection body, and a regulating device is arranged along the conveying direction of the automatic conveying belt and is fixed at the inlet end of the detection body; two structured plates of the structured device are surrounded to form a conveying channel which changes from wide to narrow, the inlet end channel of the detection body is narrower as the inlet end channel is closer, each structured plate is respectively connected with a driving motor, the driving motor reciprocates relative to the center of the conveying belt along the direction perpendicular to the conveying direction to push a product to be detected in the channel to the shooting center position of the detection body, and an inductor is arranged above the area of the structured plates and used for inducing the position of the product to be detected. Through the mode, the products on the conveying line can be completely placed at the shooting center position of the industrial camera through the arranged regulating device, so that the shooting precision is improved, the false detection and omission rate is reduced, the automation is high, the efficiency is high, and the production cost is reduced.
Description
Technical Field
The utility model relates to the technical field of appearance detection, in particular to a product appearance accurate detection device based on machine vision.
Background
At present, a visual detector in the domestic market detects the appearance of a product by photographing through an industrial camera fixed above a production line, so that the quality of a photographed picture directly determines the detection precision and efficiency, and whether an object is in the center of a lens of the industrial camera is a key factor influencing the photographing precision of the camera. If the observation object can not be kept at the center of the lens, the shooting precision can be reduced, the false detection and the omission can be caused, the production cost is improved, and the product quality is reduced.
The problem is generally solved by adopting an integrated design of a mechanical arm or a visual detector in China, but the two methods belong to high-product products, and the purchase cost of the two methods is too high for some common visual detectors needing to be modified aiming at the problem.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem of providing a product appearance accurate detection device based on machine vision, which can improve the shooting precision, further reduce the false detection and missed detection rate, and has the advantages of high automation, high efficiency and production cost reduction.
In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a product outward appearance accurate detection device based on machine vision, includes: the automatic detection device comprises a detection body, an automatic conveying belt and a regulating device, wherein the automatic conveying belt penetrates through the detection body from the right lower side, and the regulating device is arranged along the conveying direction of the automatic conveying belt and is fixed at the inlet end of the detection body; the regulating device comprises two regulating plates, a driving motor, an inductor and a control system, wherein the two regulating plates are symmetrically arranged, the two regulating plates are surrounded, a conveying channel which changes from wide to narrow is formed on an automatic conveying belt, the inlet end channel of the detection body is more close to and narrower, each regulating plate is respectively connected with the driving motor, the driving motor reciprocates along the center of the conveying belt relative to the conveying direction in a vertical mode, a product to be detected in the channel is pushed to the shooting center position of the detection body, the inductor is arranged above the regulating plate area and used for inducing the position of the product to be detected, and the driving motor are both connected with the control system.
In a preferred embodiment of the present invention, an industrial camera is disposed at the shooting center of the inspection main body.
In a preferred embodiment of the utility model, the gauge plate is a plate of high hardness metal material.
In a preferred embodiment of the present invention, the control system is a PLC control system.
In a preferred embodiment of the utility model, the driving motor is connected with the regulating plate through a motor shaft, and the motor shaft drives the regulating plate to move close to the center, so that the product to be detected in the narrow channel is accurately pushed to the shooting center along the conveying direction.
In a preferred embodiment of the utility model, the drive motor is a linear motor.
In a preferred embodiment of the present invention, the sensor is an infrared sensor.
The utility model has the beneficial effects that: according to the utility model, by the arrangement of the arranging device, all products on the conveying line can be placed at the shooting center position of the industrial camera, so that the shooting precision is improved, the false detection and omission rate is reduced, the automation is high, the efficiency is high, and the production cost is reduced; the arranged regulating devices can be purchased in the existing market, and a specially-customized integrated scheme or a mechanical arm with higher purchasing cost is not needed, so that the regulating device is very convenient and fast; the purchasing cost can be reduced, and the purpose of adjusting the cost is achieved.
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 precise product appearance inspection apparatus based on machine vision according to a preferred embodiment of the present invention;
fig. 2 is a side view of the device for precisely detecting the appearance of a product based on machine vision shown in fig. 1.
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.
The embodiment of the utility model comprises the following steps:
an accurate detection device of product outward appearance based on machine vision includes: a detection body 1, an automatic conveying belt 3 and a regulating device 2, as shown in fig. 1 and 2.
The automatic conveying belt 3 penetrates through the detection body 1 from the lower side, and the regulating device 2 is arranged along the conveying direction of the automatic conveying belt 3 and fixed at the inlet end of the detection body 1. The shooting center of the detection body 1 is provided with an industrial camera for accurately shooting pictures of products to be detected.
The organizer 2 includes two symmetrically disposed organizer plates 21, a drive motor 22, an inductor 25, and a control system 24.
The gauge plate 21 is a plate of high hardness metal material. Two regulating plates 21 surround each other, a conveying channel which changes from wide to narrow is formed on the automatic conveying belt 3, and the inlet end channel which is closer to the detection body 1 is narrower, so that a product to be detected is guided to the shooting center.
Each of the leveling plates 21 is connected to a drive motor 22, and the drive motor 22 is preferably a linear motor.
The driving motor 22 reciprocates relative to the center of the conveying belt 3 along the direction perpendicular to the conveying direction, as shown in fig. 1, the direct current motor of the utility model is connected with the regulating plate 21 through the motor shaft 23, the motor shaft 23 drives the regulating plate 21 to move close to the center, so that the product to be detected in the narrow channel is accurately pushed to the shooting center along the conveying direction.
A sensor 25 is provided above the area of the leveling plate 21 for sensing the position of the product to be inspected. The sensor 25 is preferably an infrared sensor.
The driving motor 22 and the inductor 25 are both connected with a control system. The control system is preferably a PLC control system. The PLC control system controls the starting, stopping, running speed and running direction of the motor; the sensor 25 senses the passing of the product to be detected and then sends a signal to the PLC control system.
When the automatic assembling line is used, when a product to be detected passes through the sensor above the front end of the regulating plate 21, the sensor 25 sends a signal to the PLC control system, then the PLC control system receives the signal of the sensor and sends a signal to start the linear motors at the two ends of the assembling line according to a pre-designed program, the linear motors start to push the motor shafts forward, so that the two regulating plates are pushed to be close to each other simultaneously, the product to be detected is pushed to the designed industrial camera shooting center position on the assembling line, then the PLC control system controls the two linear motors to operate in the reverse direction, the two regulating plates are pulled open by the two motor shafts, when the next product to be detected passes through the sensor, the process is repeated again, and the task that the product to be detected is regulated to the industrial camera shooting center is completed.
According to the utility model, by the arrangement of the arranging device, all products on the conveying line can be placed at the shooting center position of the industrial camera, so that the shooting precision is improved, the false detection and omission rate is reduced, the automation is high, the efficiency is high, and the production cost is reduced; the arranged regulating devices can be purchased in the existing market, and a specially-customized integrated scheme or a mechanical arm with higher purchasing cost is not needed, so that the regulating device is very convenient and fast; the purchasing cost can be reduced, and the purpose of adjusting the cost is achieved.
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. The utility model provides an accurate detection device of product outward appearance based on machine vision which characterized in that includes: the automatic detection device comprises a detection body, an automatic conveying belt and a regulating device, wherein the automatic conveying belt penetrates through the detection body from the right lower side, and the regulating device is arranged along the conveying direction of the automatic conveying belt and is fixed at the inlet end of the detection body; the regulating device comprises two regulating plates, a driving motor, an inductor and a control system, wherein the two regulating plates are symmetrically arranged, the two regulating plates are surrounded, a conveying channel which changes from wide to narrow is formed on an automatic conveying belt, the inlet end channel of the detection body is more close to and narrower, each regulating plate is respectively connected with the driving motor, the driving motor reciprocates along the center of the conveying belt relative to the conveying direction in a vertical mode, a product to be detected in the channel is pushed to the shooting center position of the detection body, the inductor is arranged above the regulating plate area and used for inducing the position of the product to be detected, and the driving motor are both connected with the control system.
2. The machine vision-based product appearance precision detection device as claimed in claim 1, wherein an industrial camera is arranged at a shooting center of the detection body.
3. The machine vision-based product appearance precision detection device of claim 1, wherein the gauge plate is a plate of high hardness metal material.
4. The machine vision-based product appearance precision detection device of claim 1, wherein the control system is a PLC control system.
5. The accurate product appearance detection device based on machine vision as claimed in claim 1, characterized in that the driving motor is connected with the regulating plate through a motor shaft, and the motor shaft drives the regulating plate to move close to the center, so that the product to be detected in the narrow channel is accurately pushed to the shooting center along the conveying direction.
6. The machine vision-based product appearance precision detection device of claim 5, wherein the driving motor is a linear motor.
7. The machine vision based product appearance precision detecting device of claim 1, wherein the sensor is an infrared sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121328407.9U CN215640890U (en) | 2021-06-16 | 2021-06-16 | Accurate detection device of product outward appearance based on machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121328407.9U CN215640890U (en) | 2021-06-16 | 2021-06-16 | Accurate detection device of product outward appearance based on machine vision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215640890U true CN215640890U (en) | 2022-01-25 |
Family
ID=79943153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121328407.9U Expired - Fee Related CN215640890U (en) | 2021-06-16 | 2021-06-16 | Accurate detection device of product outward appearance based on machine vision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215640890U (en) |
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2021
- 2021-06-16 CN CN202121328407.9U patent/CN215640890U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |