CN220479470U - Stone grading device - Google Patents
Stone grading device Download PDFInfo
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- CN220479470U CN220479470U CN202322350167.8U CN202322350167U CN220479470U CN 220479470 U CN220479470 U CN 220479470U CN 202322350167 U CN202322350167 U CN 202322350167U CN 220479470 U CN220479470 U CN 220479470U
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- 239000004575 stone Substances 0.000 title claims abstract description 146
- 239000000463 material Substances 0.000 claims abstract description 21
- 230000007547 defect Effects 0.000 claims description 34
- 238000005096 rolling process Methods 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 7
- -1 and meanwhile Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 5
- 238000012216 screening Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000010801 machine learning Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Abstract
The utility model provides a stone grading device, and relates to the technical field of stone processing equipment. Comprising a conveyor belt device adapted to convey stone material, further comprising: the control system, and set up in on the conveyer belt device and with the first grading plant, second grading plant and the third grading plant of control system electrical connection. According to the technical scheme, the stone grading machine has the advantages of high grading automation degree and efficiency of stone, and meanwhile, stone with various quality requirements can be obtained.
Description
Technical Field
The utility model relates to the technical field of stone processing equipment, in particular to a stone grading device.
Background
The stone slab is used as a common building material, is widely applied in actual production, has the characteristics of high strength, good sealing performance and strong wear resistance, cracks are common defects on the surface of stone, and if the surface of the stone has the defects of cracks, the attractiveness, the product safety and the product quality are affected, so that the detection of whether the surface of the stone has the defects of cracks or not and classification are key procedures in the automatic stone detection process, and the stone slab has decisive effects on splitting stone slabs with different qualities in real time, and has important significance on improving the production efficiency and the stone utilization rate and saving stone resources.
At present, china is taken as a main stone production country, the scale and the production capacity of the stone industry are large, the conventional device for classifying the quality of the stone is artificial detection, because the surface of the stone is provided with irregular natural textures, the color and the textures of the stone are complex, the surface image information is often unstable and not unique, the inherent textures of the stone and crack defects are not easy to accurately distinguish, and meanwhile, the artificial detection of the stone surface has the defects of strong subjectivity, poor instantaneity and high labor intensity, and if the stone surface is classified by facing a large number of stones with different qualities, the artificial detection efficiency is not high.
Disclosure of Invention
The utility model discloses a stone grading device, which is simple in structure and convenient to operate, and aims to solve the problems that the existing stone grading device is low in grading efficiency, production lines are prolonged due to separation between different grading procedures, various data cannot be utilized for multiple times, and the grading effect is poor.
The utility model adopts the following scheme:
the application provides a stone material grading plant, including being suitable for the conveyer belt device of conveying stone material, still include: the control system, and a first grading device, a second grading device and a third grading device which are arranged on the conveyor belt device and are electrically connected with the control system, wherein,
the first grading device comprises an image acquisition device and a first distribution device, the image acquisition device is used for shooting image information of the stone surface positioned on the conveyor belt device, and the first distribution device is suitable for guiding out the stone;
the second grading device is arranged at the downstream end of the first grading device and comprises a first scanning device and a second flow dividing device, wherein the first scanning device is used for scanning defects on the surface of the stone on the conveyor belt device to form a three-dimensional model of the defects, and the second flow dividing device is suitable for guiding out the stone;
the third grading device is arranged at the downstream end of the second grading device and comprises a second scanning device and a third splitting device, the second scanning device is used for scanning grain images of stones, and the third splitting device is suitable for guiding out the stones.
Further, the conveyor belt device comprises a rack and a first driving roller which is arranged on the rack in a lifting manner, and a first driving wheel which is suitable for driving stone to move along the conveyor belt device is arranged on the first driving roller; the first flow dividing device, the second flow dividing device and the third flow dividing device comprise grading idler wheels which are arranged on the rack in a lifting mode, and the first flow dividing conveying device, the second flow dividing conveying device and the third flow dividing conveying device which correspond to the grading idler wheels; the rolling direction of the grading roller faces to the first split-flow conveying device, the second split-flow conveying device and the third split-flow conveying device respectively.
Further, the rolling directions of the grading roller and the first driving wheel are mutually perpendicular.
Further, the first split-flow conveying device, the second split-flow conveying device and the third split-flow conveying device comprise a rack and a second driving roller arranged on the rack, and the second driving roller is provided with a second driving wheel with the same rolling direction as the grading roller.
Further, the first scanning device is arranged on the transmission belt device through a positioning device, and the positioning device is an XYZ-axis motion system.
Further, a triggering module is arranged on the conveyor belt device below the positioning device, and the triggering module is electrically connected with the control system.
The beneficial effects are that:
according to the stone grading device, stone materials are graded and screened for multiple times in a three-level grading mode, so that stone materials meeting different requirements can be accurately selected, the grading devices are located on the same production line, data of the grading devices at all levels can be utilized for multiple times, production line replacement is not needed during multi-level grading, grading is more convenient, and efficiency is high.
Drawings
Fig. 1 is a schematic structural view of a stone grading device according to an embodiment of the present utility model;
fig. 2 is a schematic structural view of a conveyor belt device of the stone grading device according to the embodiment of the present utility model;
icon: the image classifying device comprises a positioning device 1, a conveyor device 2, a first driving roller 21, a first driving wheel 22, a control system 3, a first classifying device 4, an image acquisition device 41, a first distributing device 42, a second classifying device 4, a first scanning device 51, a second distributing device 52, a second driving roller 521, a second driving wheel 522, a third classifying device 6, a second scanning device 61, a third distributing device 62 and a classifying roller 7.
Detailed Description
As shown in fig. 1 and 2, the present embodiment provides a stone grading device including a conveyor belt device 2 adapted to convey stone, further including: a control system 3, and a first classifying device 4, a second classifying device 4 and a third classifying device 6 which are arranged on the conveyor belt device 2 and are electrically connected with the control system 3, wherein,
the first grading device 4 comprises an image acquisition device 41 and a first distribution device 42, wherein the image acquisition device 41 is configured to acquire image information of the stone surface, extract boundary contour slope and defect position information of the stone surface through image processing, compare the boundary contour information with preset data of the control system 3, guide unqualified stone out through the first distribution device 42, and convey the qualified stone into the region of the second grading device 4 through the conveyor device 2;
the second grading device 4 is disposed at the downstream end of the first grading device 4, and includes a first scanning device 51 and a second grading device 52, where the first scanning device 51 is adapted to move above the defect position of the stone according to the defect position information collected by the image collecting device 41 to scan the defect of the stone to form a three-dimensional model, identify and analyze volume, area and depth data of the stone defect, compare the data with preset data of the control system 3, export unqualified stone through the second grading device 52, and transfer qualified stone into the area of the third grading device 6 through the conveyor belt device 2;
the third grading device 6 is disposed at the downstream end of the second grading device 4, and includes a second scanning device 61 and a third splitting device 62, where the second scanning device 61 is configured to scan a grain image of the stone, and compare the grain image information with an image value preset by the control system 3 according to the grain image information, so as to export unqualified stone through the third device, and send qualified stone into a next process or take out.
In this embodiment, as shown in fig. 1 and fig. 2, the conveyor belt device 2 includes a rack and a first driving roller 21 that is disposed on the rack in a lifting manner, and a first driving wheel 22 that is adapted to drive stone materials to move along the conveyor belt device 2 is disposed on the first driving roller 21; the first splitting device 42, the second splitting device 52 and the third splitting device 62 each comprise a classifying roller 7 arranged on the bench in a lifting manner, and a first splitting and conveying device, a second splitting and conveying device and a third splitting and conveying device corresponding to the classifying roller 7; the rolling direction of the classifying roller 7 is respectively towards the first split conveying device, the second split conveying device and the third split conveying device. Here, the first split-flow conveying device, the second split-flow conveying device and the third split-flow conveying device are all vertically arranged at one side of the conveyor belt device 2, and each of the first split-flow conveying device, the second split-flow conveying device and the third split-flow conveying device comprises a frame and a second driving roller 521 arranged on the frame, and a second driving wheel 522 with the same rolling direction as the classifying roller 7 is arranged on the second driving roller 521.
When the stone moves on the conveyor belt device 2, the first driving roller 21 is driven to rotate by the motor, so that the stone moves towards the length direction of the conveyor belt device 2, the lifting of the first driving roller 21 is realized by controlling the lifting device, the stone is propped against the stone to drive the stone to rotate during lifting, and the stone falls on the rack during descending, so that scanning, processing and the like are facilitated.
The classifying roller 7 is arranged on the rack through a lifting mechanism, the rotation axis direction of the classifying roller 7 is perpendicular to the axis direction of the first driving roller 21, the rotating axis direction of the classifying roller is opposite to the lifting direction of the first driving roller 21, the first driving roller 21 and the first driving wheel 22 are used for controlling the stone to move towards the direction of the conveyor belt device 2, when the first diversion device 42 or the second diversion device 52 or the third diversion device 62 is started to conduct diversion, the first driving roller 21 descends, the classifying roller 7 ascends at the moment, and the second driving roller 521 also ascends, so that the stone is moved towards the direction of the first diversion conveyor device or the second diversion conveyor device or the third diversion conveyor device. In this embodiment, the unqualified stone is transferred to the corresponding positions by the first diversion and transfer device, the second diversion and transfer device and the third diversion and transfer device respectively, and the qualified stone continues to move to the next process along the conveyor belt device 2.
The control system 3 according to this embodiment includes a database storing stone image data, which can also be used to coordinate the operation of the electrical components of the conveyor belt assembly 2, the diverting assembly.
The first grading device 4 comprises an image acquisition device 41 and a first distribution device 42, which are arranged above the conveyor device 2, wherein the image acquisition device 41 can adopt an industrial camera for shooting and acquiring image information of the stone surface, the control system 3 is used for identifying and processing the acquired image information, and the stone surface can be further divided into areas by comparing and extracting the contour slope and the defect position information of the stone surface through chromatic aberration so as to be convenient for positioning. The obtained image information can be compared with the stone contour data pre-stored in the database, and the stone with poor contour integrity is conveyed to a designated position through the first flow dividing device 42. The determination of whether the contour line is acceptable or not may be performed by using a minimum value and a maximum value of the contour in the XY axis direction, and when the minimum value is smaller than a preset value, it is indicated that there is an excessive recess in a certain position, and when the maximum value exceeds the preset value, it is not acceptable. The image acquisition device 41 may here be a VGA-industry camera. The first diversion device 42 comprises a grading roller 7 and a first diversion conveying device, when non-conforming stones are identified, the grading roller 7 rises to bear against the stones, the stones are conveyed to the first diversion conveying device by rotating the grading roller 7, and the stones are conveyed to the designated positions by the first diversion conveying device.
The second grading device 4 is disposed at the downstream end of the first grading device 4, and includes a first scanning device 51 and a second grading device 52, where the first scanning device 51 may be an existing 3d laser scanning imaging device, and is disposed on the positioning device 1, and the first scanning device 51 may be moved to a defect position of the stone material by the positioning device 1 to scan the defect position. The positioning device 1 adopts an XYZ axis motion system, and comprises a cross beam, wherein the cross beam is arranged above the conveyor belt device 2 through a positioning frame, and the cross beam is fixedly connected with the first scanning device 51. The device is characterized in that a triggering module is arranged on the conveyor belt device 2 below the positioning device 1, the triggering module is electrically connected with the control system 3, when stones reach the triggering module, signals are transmitted to the control system 3 through the triggering module, the control system 3 moves the first scanning device 51 to the position above the defect position through defect position information of the stones in the first grading device 4, so that scanning imaging is carried out on the defect position, a three-dimensional model of the defect is formed, the size, the area size and other information of the defect are analyzed through the three-dimensional model, the stone with the size exceeding the preset range or the area exceeding the preset range is moved out through the second grading device 4 through data comparison preset with a database, and qualified stones continue to move to the next position along the conveyor belt device 2. The second grading device 4 here comprises a further set of grading rolls 7 and a second grading conveyor, which operate in the same way as the first grading device 4 for conveying the reject stone material to the designated location.
The third grading device 6 is disposed at the downstream end of the second grading device 4, and includes a second scanning device 61 and a third splitting device 62, where the second scanning device 61 is configured to scan a grain image of the stone, and compare the grain image information with an image value preset by the control system 3 according to the grain image information, so as to export unqualified stone through the third device, and send qualified stone into a next process or take out. The second scanning device 61 can adopt a german schaft+ki rchhoff color line scanning camera to perform linear scanning on the stone surface, so as to obtain grain information of the stone surface, pre-store stone grain patterns meeting requirements in a database system in a machine learning mode, compare the integrity and shape of the scanned stone grains with the information in the database, and accordingly identify and classify the stone grains, judge the stone with better grains as qualified stone, and judge the stone with higher contrast difference between the integrity and shape and the database as unqualified stone.
According to the scheme, the first grading device 4 is arranged to compare the contour information of the stone, grade the stone with poor contour integrity, and calibrate the defect position of the stone, so that the follow-up scanning of stone defects is facilitated; the defects calibrated by the first grading device 4 are further scanned through the second grading device 4, a three-dimensional model of the defects is scanned, the three-dimensional model is analyzed, data of specific ranges, volumes, areas and the like of the defects are obtained, the defects are conveniently processed subsequently, meanwhile, stone materials with larger defects are graded, and therefore stone materials with smaller defects are obtained, and the quality of the stone materials is guaranteed; the first grading device 4 and the second grading device 4 are used for screening the product quality of the stone, or the stone with better quality, and the third grading device 6 is used for scanning and comparing the grains on the surface of the stone, so that the stone with better appearance is obtained. According to the stone material classifying and screening device, multiple times of classifying and screening are carried out on the same conveyor belt device 2, products classified by the last classifying device are stone materials with good quality and appearance, stone materials with different qualities can be obtained through different classifications, the stone materials with different qualities can be conveniently and respectively treated, the problem of repeated classification for multiple times is solved, and the stone material treating efficiency is improved.
The stone grading device in the embodiment of the utility model comprises the following using steps:
s1, stone slab feeding, entering a first grading device 4 area for image information acquisition, extracting boundary contour slope and defect position information of the stone surface according to the obtained salient information, comparing the extracted data information with preset data of a control system 3, guiding out unqualified stone materials through a first shunting device 42, and conveying the qualified stone materials into a second grading device 4 area through a conveyor belt device 2;
s2, after qualified stones classified by the first splitting device reach the area of the second splitting device 4, the first scanning device 51 is started, the positions of the defects of the stones are scanned according to the defect position information of the stones acquired in S1 and form a three-dimensional model, the volume, area and depth data of the stone defects are identified and analyzed through the three-dimensional model, the data are compared with preset data of the control system 3 according to the data, unqualified stones are exported through the second splitting device 52, and the qualified stones are conveyed into the area of the third splitting device 6 through the conveyor belt device 2;
s3, when the second scanning device 61 senses that the stone enters the area of the third grading device 6, automatically scanning the grain image of the stone, comparing the grain image information with an image value preset by the control system 3 to lead out unqualified stone through the third device, and sending the qualified stone into the next working procedure or taking out the qualified stone.
According to the stone grading device, stone materials are graded and screened for multiple times in a three-level grading mode, so that stone materials meeting different requirements can be accurately selected, the grading devices are located on the same production line, data of the grading devices at all levels can be utilized for multiple times, production line replacement is not needed during multi-level grading, grading is more convenient, and efficiency is high.
It should be understood that: the above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model.
The description of the drawings in the embodiments above illustrates only certain embodiments of the utility model and should not be taken as limiting the scope, since other related drawings may be made by those of ordinary skill in the art without the benefit of the inventive faculty.
Claims (6)
1. A stone grading device comprising a conveyor belt device adapted to convey stone material, characterized in that it further comprises: the control system, and a first grading device, a second grading device and a third grading device which are arranged on the conveyor belt device and are electrically connected with the control system, wherein,
the first grading device comprises an image acquisition device and a first distribution device, the image acquisition device is used for shooting image information of the stone surface positioned on the conveyor belt device, and the first distribution device is suitable for guiding out the stone;
the second grading device is arranged at the downstream end of the first grading device and comprises a first scanning device and a second flow dividing device, wherein the first scanning device is used for scanning defects on the surface of the stone on the conveyor belt device to form a three-dimensional model of the defects, and the second flow dividing device is suitable for guiding out the stone;
the third grading device is arranged at the downstream end of the second grading device and comprises a second scanning device and a third splitting device, the second scanning device is used for scanning grain images of stones, and the third splitting device is suitable for guiding out the stones.
2. The stone grading device according to claim 1, wherein the conveyor belt device comprises a rack and a first driving roller which is arranged on the rack in a lifting manner, and a first driving wheel which is suitable for driving stone to move along the conveyor belt device is arranged on the first driving roller; the first flow dividing device, the second flow dividing device and the third flow dividing device comprise grading idler wheels which are arranged on the rack in a lifting mode, and the first flow dividing conveying device, the second flow dividing conveying device and the third flow dividing conveying device which correspond to the grading idler wheels; the rolling direction of the grading roller faces the first split-flow conveying device, the second split-flow conveying device and the third split-flow conveying device respectively.
3. The stone classifying device according to claim 2, wherein the classifying roller and the rolling direction of the first driving wheel are perpendicular to each other.
4. The stone grading device according to claim 2, wherein the first shunt conveying device, the second shunt conveying device and the third shunt conveying device comprise a frame and a second driving roller arranged on the frame, and the second driving roller is provided with a second driving wheel with the same rolling direction as the grading roller.
5. The stone grading device according to claim 1, wherein the first scanning device is arranged on the conveyor belt device by a positioning device, which is an XYZ axis motion system.
6. The stone grading device according to claim 5, wherein a triggering module is provided on the conveyor belt means below the positioning means, the triggering module being electrically connected to the control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322350167.8U CN220479470U (en) | 2023-08-31 | 2023-08-31 | Stone grading device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322350167.8U CN220479470U (en) | 2023-08-31 | 2023-08-31 | Stone grading device |
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| CN220479470U true CN220479470U (en) | 2024-02-13 |
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| CN202322350167.8U Active CN220479470U (en) | 2023-08-31 | 2023-08-31 | Stone grading device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117862065A (en) * | 2024-03-13 | 2024-04-12 | 合肥水泥研究设计院有限公司 | Intelligent conveying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117862065A (en) * | 2024-03-13 | 2024-04-12 | 合肥水泥研究设计院有限公司 | Intelligent conveying device |
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