CN221038758U - Large-size plate surface image acquisition device based on sliding rail - Google Patents
Large-size plate surface image acquisition device based on sliding rail Download PDFInfo
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- CN221038758U CN221038758U CN202322448944.2U CN202322448944U CN221038758U CN 221038758 U CN221038758 U CN 221038758U CN 202322448944 U CN202322448944 U CN 202322448944U CN 221038758 U CN221038758 U CN 221038758U
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Abstract
The utility model discloses a large-size plate surface image acquisition device based on a sliding rail, and relates to the technical field of image acquisition, wherein the device comprises a photoelectric sensor, an image acquisition unit, a sliding rail control unit and a plate conveying belt; the photoelectric sensor is fixed on the plate conveyor belt and used for sensing that the plate to be detected enters the image acquisition area, wherein the image acquisition area is an area where the image acquisition unit can acquire images on the plate conveyor belt; the image acquisition unit is fixed on the slide rail control unit and is used for acquiring the sectional image information of the plate to be detected under the drive of the slide rail control unit; and the sliding rail control unit is positioned right above the plate conveying belt and is arranged in parallel with the plate conveying belt and used for moving the image acquisition unit. The device can be used for acquiring and acquiring the surface image information of the large-size and large-specification plate, and providing complete data information for detecting the plate defects.
Description
Technical Field
The utility model relates to the technical field of image acquisition, in particular to a large-size plate surface image acquisition device based on a sliding rail.
Background
In current solid wood board processing enterprises, the main mode for detecting board defects is as follows: based on a machine vision detection method, an image acquisition device is used for acquiring a plate image, and then the plate image is identified through a machine learning defect identification algorithm. Although the existing detection device and method improve part of detection rate, the detection device and method mainly aim at small-size plates, and no surface image acquisition device aims at large-size plates exists.
Therefore, the prior art has the following problems: due to the design of the image acquisition device, only small-size and small-format plate images can be acquired, the acquired plate image size can only be smaller than the shooting range of the camera, and large-size plate surface images cannot be completely shot, so that real-time online acquisition and detection of the large-size plate surface images cannot be performed.
Disclosure of utility model
The utility model aims to provide a large-size plate surface image acquisition device based on a sliding rail, which can acquire and acquire large-size and large-specification plate surface image information and provide complete data information for plate defect detection.
In order to achieve the above object, the present utility model provides the following solutions:
The utility model provides a large-size plate surface image acquisition device based on a sliding rail, which comprises: the device comprises a photoelectric sensor, an image acquisition unit, a slide rail control unit and a plate conveying belt;
the photoelectric sensor is fixed on the plate conveying belt and is used for sensing that the plate to be detected enters the image acquisition area; the image acquisition area is an area where the image acquisition unit can acquire images on the plate conveyor belt;
The image acquisition unit is fixed on the slide rail control unit and is used for acquiring segmented image information of the plate to be detected under the drive of the slide rail control unit;
The sliding rail control unit is positioned right above the plate conveying belt and is arranged in parallel with the plate conveying belt and used for moving the image acquisition unit.
Optionally, the apparatus further comprises: an image processor;
the image processor is connected with the image acquisition unit and is used for splicing the segmented image information of the plate to be detected acquired by the image acquisition unit.
Optionally, the slide rail control unit specifically includes: a slide rail transmission mechanism and a transmission controller;
The sliding rail transmission mechanism is connected with the transmission controller; and the transmission controller is respectively connected with the photoelectric sensor and the sliding rail transmission mechanism.
Optionally, the image acquisition unit is fixedly installed in the clamping groove of the sliding rail transmission mechanism, and can move on the sliding rail transmission mechanism to take a picture.
Optionally, the image acquisition unit specifically includes: industrial cameras and photographic lenses;
the industrial camera is fixed on the sliding rail transmission mechanism; the shooting lens is fixed at the shooting end of the industrial camera; the shooting lens faces to the plate conveying belt vertically.
Optionally, the photoelectric sensor is fixed on one side of the board conveyor belt and is located at one end of a shooting range distance of the industrial camera, and the shooting range distance of the industrial camera is a maximum picture length distance captured by the shooting lens on the board conveyor belt.
Optionally, a vertical distance between the slide rail transmission mechanism and the plate conveying belt is greater than or equal to a shooting range distance of the industrial camera.
Optionally, an initial position of the industrial camera on the slide rail transmission mechanism corresponds to a midpoint position of the sheet material conveyor belt.
According to the specific embodiment provided by the utility model, the utility model discloses the following technical effects:
The utility model aims to provide a large-size plate surface image acquisition device based on a sliding rail, which comprises the following components: the device comprises a photoelectric sensor, an image acquisition unit, a slide rail control unit and a plate conveying belt; the photoelectric sensor is fixed on the plate conveying belt and is used for sensing that the plate to be detected enters the image acquisition area; the image acquisition unit is fixed on the slide rail control unit and is used for acquiring the sectional image information of the plate to be detected under the drive of the slide rail control unit; and the sliding rail control unit is positioned right above the plate conveying belt and is arranged in parallel with the plate conveying belt and used for moving the image acquisition unit. By using the device, the surface image information of the large-size and large-specification plate can be acquired and obtained, and complete data information is provided for detecting the defects of the plate.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a large-size plate surface image acquisition device based on a sliding rail;
Fig. 2 is a working flow chart of the large-size plate surface image acquisition device based on the sliding rail.
Symbol description:
The device comprises a photoelectric sensor-1, an image acquisition unit-2, an industrial camera-21, a shooting lens-22, a slide rail control unit-3, a slide rail transmission mechanism-31, a transmission controller-32, a plate conveyor belt-4, a plate to be detected-5 and a shooting range-6.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide a large-size plate surface image acquisition device based on a sliding rail, which can acquire and acquire large-size and large-specification plate surface image information and provide complete data information for plate defect detection.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Fig. 1 shows the overall structure of a large-size plate surface image acquisition device based on a slide rail.
As shown in fig. 1, the apparatus mainly includes: photoelectric sensor 1, image acquisition unit 2, slide rail control unit 3 and panel conveyer belt 4.
Specifically, the photoelectric sensor 1 is fixed on the plate conveying belt 4 and is used for sensing that a plate to be detected enters an image acquisition area; the image acquisition area is an area where the image acquisition unit 2 can acquire an image on the plate conveyor belt 4. The image acquisition unit 2 is fixed on the slide rail control unit 3 and is used for acquiring the sectional image information of the plate 5 to be detected under the drive of the slide rail control unit 3. And the sliding rail control unit 3 is positioned right above the plate conveying belt 4 and is arranged in parallel with the plate conveying belt 4 and is used for moving the image acquisition unit.
Wherein, slide rail control unit 3 specifically includes: a slide rail transmission mechanism 31 and a transmission controller 32. The slide rail transmission mechanism 31 is connected with the transmission controller 32; the transmission controller 32 is respectively connected with the photoelectric sensor 1 and the slide rail transmission mechanism 31. The image acquisition unit 2 specifically includes: an industrial camera 21 and a photographing lens 22. The industrial camera 21 is fixed on the slide rail transmission mechanism 31; the photographing lens 22 is fixed at a photographing end of the industrial camera 21; the photographing lens 22 is vertically oriented toward the board transfer belt 4.
Further, the apparatus further comprises: an image processor. The image processor is connected with the image acquisition unit 2 and is used for splicing the segmented image information of the plate 5 to be detected, which is acquired by the image acquisition unit 2.
As a preferred embodiment, the image capturing unit 2 is fixedly mounted in a clamping groove of the slide rail transmission mechanism 31, and is capable of moving on the slide rail transmission mechanism 31 to take a photograph. The photoelectric sensor 1 is fixed at one side of the board conveyor 4 and is located at one end of a photographing range distance of the industrial camera 21, wherein the photographing range distance of the industrial camera 21 is a maximum picture length distance captured by the photographing lens 22 on the board conveyor 4.
As another preferred embodiment, the vertical distance between the slide rail transmission mechanism 31 and the board conveyor 4 is equal to or greater than the photographing range distance of the industrial camera 21. The initial position of the industrial camera 21 on the slide drive 31 corresponds to the midpoint position of the sheet material conveyor 4.
In the actual working process: firstly, the plate conveying belt 4 and the slide rail transmission mechanism 31 are required to be horizontally placed, the slide rail transmission mechanism 31 is kept at a proper position right above the plate conveying belt 4, the plate conveying belt 4 is utilized to drive the plate 5 to be tested, and the slide rail transmission mechanism 31 is utilized to move the industrial camera 21; the industrial camera 21 and the shooting lens 22 are assembled together and placed on the slide rail transmission mechanism 31, so that the image information of the plate 5 to be detected can be shot conveniently; the photoelectric sensor 1 is placed on the plate conveyor belt 4 and is positioned at one end of the shooting range of the industrial camera 21 and is used for detecting whether a plate to be detected enters the shooting range of the industrial camera 21; the transmission controller 32 is connected between the photoelectric sensor 1 and the slide rail transmission mechanism 31 through a circuit, so that the slide rail transmission mechanism 31 is effectively controlled; finally, the sheet 5 to be measured enters the photographing range of the industrial camera 21 from one end of the sheet conveyor 4 in parallel for segmented photographing.
Example 1
The embodiment provides an actual workflow of a large-size plate surface image acquisition device based on a sliding rail, as shown in fig. 2, the specific workflow of the device is as follows:
Step 101: each unit of the large-size plate surface image acquisition device based on the sliding rail is installed according to the position structure shown in fig. 1.
Step 102: it is detected by the photoelectric sensor 1 whether or not the sheet material 5 to be measured enters the photographing range 6 of the industrial camera 21. When the photoelectric sensor 1 detects that the sheet 5 to be detected enters the shooting range 6 of the industrial camera 21, the step 103 is continuously executed; when the photoelectric sensor 1 does not detect that the sheet material 5 to be measured enters the photographing range 6 of the industrial camera 21, step 102 is repeatedly performed.
Step 103: the transmission controller 32 controls the industrial camera 21 to move on the slide rail transmission mechanism 31 at the same speed as the plate material conveyor belt 4 in the opposite direction, and when the industrial camera 21 and the plate material 5 to be measured move D/2 simultaneously, photographing is performed. The relationship among the photographing interval, the speed, and the photographing range 6 of the industrial camera 21 is:
Where Δt is a photographing interval, D is a photographing range of the industrial camera 21, and v is a moving speed of the board conveyance belt 4.
Step 104: after the triggering of the photoelectric sensor 1 is finished, the industrial camera 21 is controlled to reset through the transmission controller 32, and the next board 5 to be tested is waited for triggering the photoelectric sensor 1.
In summary, the large-size plate surface image collecting device based on the sliding rail can effectively and rapidly collect the large-size plate surface image, the industrial camera 21 is controlled to move on the sliding rail rotating mechanism by using the transmission controller 32 according to the signal sent by the photoelectric sensor 1, so that the industrial camera 21 moves at the same speed and the opposite direction as the plate conveying belt 4, the plate 5 to be detected is photographed at a certain time interval, and when the photoelectric sensor 1 does not detect the plate 5 to be detected, the industrial camera 21 is reset by the transmission controller 32. The device has solved on the current industrial assembly line, utilizes machine vision defect detection to only aim at the problem of small-size object, and the device can not receive the restriction of panel size, and in theory, the size of the panel that awaits measuring that can gather can be infinitely long.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to assist in understanding the methods of the present utility model and the core ideas thereof; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (8)
1. Large-size panel surface image acquisition device based on slide rail, its characterized in that includes: the device comprises a photoelectric sensor, an image acquisition unit, a slide rail control unit and a plate conveying belt;
the photoelectric sensor is fixed on the plate conveying belt and is used for sensing that the plate to be detected enters the image acquisition area; the image acquisition area is an area where the image acquisition unit can acquire images on the plate conveyor belt;
The image acquisition unit is fixed on the slide rail control unit and is used for acquiring segmented image information of the plate to be detected under the drive of the slide rail control unit;
The sliding rail control unit is positioned right above the plate conveying belt and is arranged in parallel with the plate conveying belt and used for moving the image acquisition unit.
2. The slide-rail-based large-sized sheet surface image acquisition device of claim 1, further comprising: an image processor;
the image processor is connected with the image acquisition unit and is used for splicing the segmented image information of the plate to be detected acquired by the image acquisition unit.
3. The large-size plate surface image acquisition device based on the sliding rail according to claim 1, wherein the sliding rail control unit specifically comprises: a slide rail transmission mechanism and a transmission controller;
The sliding rail transmission mechanism is connected with the transmission controller; and the transmission controller is respectively connected with the photoelectric sensor and the sliding rail transmission mechanism.
4. A large-size plate surface image acquisition device based on a sliding rail according to claim 3, wherein the image acquisition unit is fixedly arranged in a clamping groove of the sliding rail transmission mechanism and can move on the sliding rail transmission mechanism to take a picture.
5. A large-size plate surface image acquisition device based on a sliding rail according to claim 3, wherein the image acquisition unit specifically comprises: industrial cameras and photographic lenses;
the industrial camera is fixed on the sliding rail transmission mechanism; the shooting lens is fixed at the shooting end of the industrial camera; the shooting lens faces to the plate conveying belt vertically.
6. The slide rail-based large-sized sheet surface image acquisition device according to claim 5, wherein the photoelectric sensor is fixed on one side of the sheet conveyor belt and is located at one end of a photographing range distance of the industrial camera, and the photographing range distance of the industrial camera is a maximum picture length distance captured by the photographing lens on the sheet conveyor belt.
7. The slide-rail-based large-size plate surface image acquisition device according to claim 6, wherein a vertical distance between the slide rail transmission mechanism and the plate conveyor belt is greater than or equal to a shooting range distance of the industrial camera.
8. The slide-rail-based large-size sheet surface image acquisition device of claim 5, wherein an initial position of the industrial camera on the slide rail transmission mechanism corresponds to a midpoint position of the sheet conveyor belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322448944.2U CN221038758U (en) | 2023-09-08 | 2023-09-08 | Large-size plate surface image acquisition device based on sliding rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322448944.2U CN221038758U (en) | 2023-09-08 | 2023-09-08 | Large-size plate surface image acquisition device based on sliding rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221038758U true CN221038758U (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322448944.2U Active CN221038758U (en) | 2023-09-08 | 2023-09-08 | Large-size plate surface image acquisition device based on sliding rail |
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| CN (1) | CN221038758U (en) |
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2023
- 2023-09-08 CN CN202322448944.2U patent/CN221038758U/en active Active
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