CN220131151U

CN220131151U - Industrial camera vision automatic calibration device and material conveying equipment

Info

Publication number: CN220131151U
Application number: CN202321650362.6U
Authority: CN
Inventors: 方海建
Original assignee: Ningxia Baofeng Yuneng Technology Co Ltd
Current assignee: Ningxia Baofeng Yuneng Technology Co Ltd
Priority date: 2023-06-27
Filing date: 2023-06-27
Publication date: 2023-12-05
Anticipated expiration: 2033-06-27

Abstract

The utility model belongs to the technical field of visual identification, and discloses an industrial camera visual automatic verification device and material conveying equipment. The industrial camera vision automatic checking device is characterized in that an industrial camera is placed on a first support, an image acquisition assembly is arranged on a second support, and a pattern to be acquired is arranged on an acquisition table. The pattern to be collected on the surface of the collection table is collected through the industrial camera, and is compared with the standard result after collection, so that the verification is completed, and meanwhile, the function of automatic visual verification of the industrial camera is realized because the pattern to be collected on the surface of the collection table is continuously collected through the industrial camera and the verification is also continuously and circularly completed.

Description

Industrial camera vision automatic calibration device and material conveying equipment

Technical Field

The utility model relates to the technical field of visual identification, in particular to an industrial camera visual automatic checking device and material conveying equipment.

Background

In the field of automated production, it is necessary to monitor the operation of equipment (such as material conveying equipment) in real time, wherein an industrial camera is used as a carrier of visual recognition means, and is widely applied to an automated production line. But the industrial camera is required to be re-calibrated in 3 months, the calibration time is basically between four and eight hours, the calibration time is long, the equipment utilization rate is low, and the production efficiency is greatly influenced.

Meanwhile, external factors such as blocked lenses, stability of light source brightness, industrial camera bracket offset and the like influence the stable state of the industrial camera, and whether the industrial camera is in a good working state cannot be determined in time manually.

Therefore, there is a need for an industrial camera vision automatic calibration device and a material conveying device to solve the above problems.

Disclosure of Invention

The utility model aims to provide an industrial camera vision automatic checking device. The industrial camera vision automatic checking device can automatically check whether the camera is in a good working state in real time, and reduces the number of manual calibration.

To achieve the purpose, the utility model adopts the following technical scheme:

an industrial camera vision automatic verification device, comprising:

a first bracket for placing an industrial camera;

the image acquisition assembly comprises an acquisition table, the surface of the acquisition table is provided with a pattern to be acquired, the industrial camera can take a picture of the pattern to be acquired, and the industrial camera stores a standard result of the pattern to be acquired, which is used for comparing with a shooting result.

Optionally, the industrial camera vision automatic verification device further comprises a display unit, and the display unit is in signal connection with the industrial camera and is used for displaying the comparison result.

Optionally, the pattern to be acquired is a pattern per unit area.

Optionally, the pattern to be collected is stuck or etched on the surface of the collection table.

Optionally, the pattern to be collected is disposed at an edge portion of the collection table.

Optionally, the automatic vision calibration device for industrial cameras further comprises a light supplementing lamp and a light supplementing lamp fixing frame, wherein the light supplementing lamp fixing frame is arranged on the second support, the light supplementing lamp is positioned on the light supplementing lamp fixing frame, and the light supplementing lamp is used for supplementing light.

Optionally, the light filling lamp mount sets up the below of gathering the platform, the light of light filling lamp is towards gather the platform.

Optionally, the second support includes two connecting rods that extend along vertical direction, two the connecting rod interval sets up, gather the both ends of platform and connect respectively in two the connecting rod, the both ends of light filling lamp mount are connected respectively in two the connecting rod.

Optionally, the industrial camera vision automatic verification device further comprises a baseboard, and the bottom of the connecting rod is connected with the ground through the baseboard.

The utility model further aims to provide a material conveying device, wherein an industrial camera in the material conveying device can continuously and automatically check, so that the number of manual calibration times is reduced, and the stable operation of the device is ensured.

the material conveying equipment comprises an industrial camera vision automatic checking device and a plurality of conveying components, wherein the collecting table is a driving roller, the conveying components are sequentially arranged with the collecting table, and materials are conveyed by the conveying components and the collecting table.

The beneficial effects are that:

the utility model provides an industrial camera vision automatic verification device, wherein an industrial camera is placed on a first bracket, an image acquisition assembly is arranged on a second bracket, and a pattern to be acquired is arranged on an acquisition table. The industrial camera is arranged on the first bracket, the specification size of the first bracket and the fixed position of the industrial camera can be changed, the problem that the industrial camera is insufficient in view field when photographing due to fixed position is solved, the requirement of the industrial camera on the view field size is met, and the industrial camera is ensured to be capable of photographing patterns to be acquired. By arranging the image acquisition assembly on the second bracket, the detection of the image acquisition assembly by the industrial camera is facilitated, and the position of the image acquisition assembly and the industrial camera is improvedIs tied up. The front condition of the vision automatic calibration of the industrial camera is realized by arranging the pattern to be acquired on the surface of the acquisition table, the pattern to be acquired on the surface of the acquisition table is acquired by the industrial camera, and the acquired pattern is compared with the standard result, so that the single comparison processing is realized. Because the industrial camera collects the pattern to be collected on the surface of the collection table in real time and compares the pattern to be collected with the standard result in real time after collection, the problem that data distortion is not easy to be found in the measurement process is solved. Meanwhile, in the continuous shooting and contrast processing of the industrial camera, the process is equivalent to real-time industrial camera verification, the frequency of manual periodic calibration in the use process of the industrial camera is reduced, and the actual utilization rate of equipment is improved _。

According to the material conveying equipment, the visual automatic checking device of the industrial camera is combined with the plurality of transmission assemblies, so that the accuracy deviation or faults are detected in real time when the transmission assemblies and the material states on the collection table are detected, the frequency of periodic calibration in the use process of the industrial camera is reduced, and the actual utilization rate of the material conveying equipment is improved.

Drawings

FIG. 1 is a schematic diagram of the whole structure of an industrial camera vision automatic checking device provided by the utility model;

FIG. 2 is a schematic diagram of a part of the visual automatic checking device for an industrial camera;

fig. 3 is a schematic diagram of a part of a visual automatic checking device for an industrial camera.

In the figure:

1. a first bracket;

2. an industrial camera;

3. a second bracket; 31. an image acquisition component; 311. a collection station; 312. a bearing; 32. a light supplementing lamp; 33. a light supplementing lamp fixing frame;

4. a baseboard.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Fig. 1 is a schematic diagram of the overall structure of an industrial camera vision automatic calibration device in this embodiment. Referring to fig. 1, the industrial camera vision automatic checking device is capable of performing real-time automatic checking, and includes a first bracket 1 and a second bracket 3. An industrial camera 2 is arranged on the first support 1, an image acquisition assembly 31 is arranged on the second support 3, and the image acquisition assembly 31 comprises an acquisition table 311 and a pattern to be acquired (not shown in the figure). The surface of the collection table 311 is provided with a pattern to be collected, and the industrial camera 2 photographs the pattern to be collected.

The industrial camera 2 can continuously photograph the pattern to be acquired, and compare the photographing result with the standard result, if the difference value of the comparison is not higher than the predetermined difference value, i.e. the industrial camera 2 can work normally and the photographing precision meets the use requirement, the industrial camera 2 will continuously cycle the process. The comparison processing with the standard result is equivalent to checking the industrial camera 2 in real time, and if the accuracy of the pattern to be acquired, which is shot in the checking process, meets the process requirement, the equipment does not need to be calibrated, so that the frequency of periodic calibration in the use process of the industrial camera 2 is reduced, and the actual utilization rate of the equipment is improved. The industrial camera 2 is arranged on the first bracket 1, so that the requirement of the industrial camera 2 on the size of the field of view is met, and the industrial camera 2 is ensured to be capable of shooting the pattern to be acquired. By arranging the image capturing assembly 31 on the second bracket 3, the detection of the image capturing assembly 31 by the industrial camera 2 is facilitated, and the positional relationship between the image capturing assembly 31 and the industrial camera 2 is improved.

Further, the industrial camera vision automatic checking device further comprises a display unit, and the display unit is in signal connection with the industrial camera 2 and is used for displaying a comparison result. If the difference value of the comparison processing is larger than the preset difference value, that is, the industrial camera 2 cannot work normally or the shooting precision does not meet the use requirement, the display unit can be a monitoring screen or computer equipment of the same line in an embodiment, so that technicians can find the situation of data distortion in time, and the problem that the data distortion is not easy to find in the measuring process is solved. Of course, in other embodiments, the industrial camera 2 may be put on the display unit and perform warning actions, such as alarm bell, alarm lamp, etc., through other devices capable of giving an alarm or warning. Alternatively, the photographing result may be processed by the industrial camera 2, or may be processed by a data processing unit connected to the industrial camera 2, and the data processing process of the photographing result is a technical means well known in the art and will not be described herein.

Further, the pattern to be acquired is a pattern with a unit area, the industrial camera 2 photographs the pattern to be acquired, and converts the pattern into data information, such as the shape, the size, the color and other parameters of the pattern are converted into the data information, and then the data information is compared with a standard result, so that the requirement on the information processing capability of the industrial camera 2 is high, and the industrial camera has no universality. The method has the advantages that only the data information on the size of the area of the picture to be acquired is extracted, and the data information is compared with the standard result, so that the data information which needs to be compared is greatly reduced, the speed of the industrial camera 2 for comparison is increased, the accuracy of the industrial camera 2 for comparison is improved, the requirement on the information processing capability of the industrial camera 2 is reduced, and the application range of the industrial camera vision automatic verification device is widened.

Further, the pattern to be collected is stuck or etched on the surface of the collection table 311, so that the deformation and falling risk of the pattern to be collected is reduced, the service life of the pattern to be collected is prolonged, the false alarm possibility of the automatic visual inspection device of the industrial camera is reduced, and the stability and reliability of the automatic visual inspection device of the industrial camera are improved.

Further, the pattern to be collected is arranged at the edge part of the collection table 311, so that the requirements on the size and the placement position of materials are relaxed, the possibility that the pattern to be collected is shielded is reduced, the pattern to be collected can completely appear in the photographing view of the industrial camera 2 to the greatest extent, and the probability of false alarm of the visual automatic checking device of the industrial camera is reduced.

With continued reference to fig. 1, the industrial camera vision automatic verification device further includes a light supplementing lamp 32 and a light supplementing lamp fixing frame 33, the light supplementing lamp fixing frame 33 is disposed on the second bracket 3, the light supplementing lamp 32 is disposed on the light supplementing lamp fixing frame 33, and the light supplementing lamp 32 is used for supplementing light. The light filling lamp fixing frame 33 is arranged on the second bracket 3, so that the whole volume is reduced, the device is more compact and convenient, the working scene which can be used is increased, the structure is simplified, and the manufacturing cost is reduced. In addition, in different production workshops, the brightness conditions are various, the light supplementing lamp 32 supplements light to the pattern to be acquired under the environment of insufficient brightness, the requirement on the photographing capacity of the industrial camera 2 is reduced, the photographing precision of the industrial camera 2 is enhanced by phase change, and the error probability of the industrial camera 2 in processing is reduced.

Further, referring to fig. 2, the light-compensating lamp fixing frame 33 is disposed below the collecting table 311, so that the overall volume of the image collecting assembly 31 is reduced, the situation that the height of the object can be limited by the light-compensating lamp fixing frame 33 above the collecting table 311 is avoided, the distance between the light-compensating lamp 32 and the pattern to be collected of the collecting table 311 is reduced, the brightness requirement on the light-compensating lamp 32 is reduced, and the light of the light-compensating lamp 32 faces the collecting table 311, so that the light-compensating lamp 32 can pertinently perform light-compensating treatment on the pattern to be collected of the collecting table 311, and the photographing effect of the industrial camera 2 is better.

Optionally, with continued reference to fig. 2, the second bracket 3 includes two connecting rods extending along the vertical direction, the two connecting rods are disposed at intervals, two ends of the collecting table 311 are respectively connected to the two connecting rods, and two ends of the light compensating lamp fixing frame 33 are respectively connected to the two connecting rods. The whole door-shaped structure that is of second support 3, because need satisfy industry camera 2 and shoot the demand, so the height of two connecting rods of second support 3 need be less than the height of first support 1, need keep certain distance between two connecting rods simultaneously, this kind of interval setting has greatly increased the overall stability of second support 3. The collection stand 311 is arranged above the light supplementing lamp fixing frame 33, so that the light supplementing effect of the light supplementing lamp 32 can be ensured, and meanwhile, the light supplementing lamp fixing frame 33 is prevented from blocking the shooting of the industrial camera 2, so that unnecessary false alarm conditions are caused. The light supplementing lamp fixing frames 33 are connected to the lower half parts of the two connecting rods, so that the gravity center of the second bracket 3 is more stable, and the possibility of rollover of the second bracket 3 is reduced.

Optionally, referring to fig. 2 and 3, the industrial camera vision automatic calibration device further includes a baseboard 4, and the bottom of the connecting rod is connected to the ground through the baseboard 4. The skirting board 4 can be a metal block, and the skirting board 4 guarantees the stability of the two connecting rods through the self weight, so that the overall stability is guaranteed. In another embodiment, the baseboard 4 is a metal plate, and the baseboard 4 ensures the stability of the two connecting rods through a larger contact area with the ground, so as to maintain the reliability of the whole structure.

The embodiment also provides a material conveying device, which comprises a plurality of conveying components and an industrial camera vision automatic checking device, wherein the collecting table 311 is a driving roller, the plurality of conveying components and the collecting table 311 are sequentially arranged, and the material is conveyed through the plurality of conveying components and the collecting table 311. When the industrial camera 2 shoots materials in the transportation process, the patterns to be acquired are shot together, when the state of the materials is detected, the industrial camera 2 converts the acquired picture information of the patterns to be acquired into data information, and performs comparison processing with a standard result, if the difference value of the comparison processing is higher than a preset difference value, a popup window or an alarm can be performed through a monitoring screen or computer equipment of the same line, and if the difference value is not higher than the difference value, the operation is continued. Thereby realizing the automatic visual calibration of the industrial camera 2 while detecting the material state.

Further, the image capturing assembly 31 includes a bearing 312, and the capturing stage 311 is rotatably connected to the second bracket 3 via the bearing 312. The bearing 312 has good stability, and reduces the situation that the industrial camera 2 cannot collect the pattern to be collected due to the fact that the collecting table 311 cannot rotate, so that a warning is sent out in the contrast processing, the probability of false alarm is reduced, and the overall working efficiency is improved.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. Industrial camera vision automatic check-up device, its characterized in that includes:

a first bracket (1), wherein the first bracket (1) is used for placing an industrial camera (2);

the device comprises a second support (3), wherein an image acquisition assembly (31) is arranged on the second support (3), the image acquisition assembly (31) comprises an acquisition table (311), a pattern to be acquired is arranged on the surface of the acquisition table (311), the pattern to be acquired can be photographed by an industrial camera (2), and a standard result of the pattern to be acquired, which is used for comparing with a photographing result, is stored in the industrial camera (2).

2. The industrial camera vision automatic verification device according to claim 1, further comprising a display unit, wherein the display unit is in signal connection with the industrial camera for displaying a result of the comparison.

3. The industrial camera vision automatic verification device of claim 1, wherein the pattern to be collected is a pattern per unit area.

4. The industrial camera vision automatic verification device according to claim 1, wherein the pattern to be collected is stuck or etched on the surface of the collection table (311).

5. The industrial camera vision automatic verification device according to claim 1, wherein the pattern to be collected is provided at an edge portion of the collection stage (311).

6. The industrial camera vision automatic verification device according to any one of claims 1-5, further comprising a light supplementing lamp (32) and a light supplementing lamp fixing frame (33), wherein the light supplementing lamp fixing frame (33) is arranged on the second bracket (3), and the light supplementing lamp (32) is arranged on the light supplementing lamp fixing frame (33).

7. The automatic industrial camera vision calibration device according to claim 6, wherein the light-compensating lamp holder (33) is disposed below the collection table (311), and the light of the light-compensating lamp (32) is directed to the collection table (311).

8. The automatic vision calibration device for industrial cameras according to claim 7, wherein the second bracket (3) comprises two connecting rods extending along a vertical direction, the two connecting rods are arranged at intervals, two ends of the collecting table (311) are respectively connected to the two connecting rods, and two ends of the light supplementing lamp fixing frame (33) are respectively connected to the two connecting rods.

9. The industrial camera vision automatic verification device according to claim 8, further comprising a floor board (4), wherein the bottom of the connecting rod is connected with the ground through the floor board (4).

10. The material conveying equipment is characterized by comprising the industrial camera vision automatic checking device and a plurality of conveying components, wherein the collecting table (311) is a driving roller, the conveying components and the collecting table (311) are sequentially arranged, and materials are conveyed by the conveying components and the collecting table (311).