CN216117397U - Multi-dimensional scanning ore sorting device - Google Patents
Multi-dimensional scanning ore sorting device Download PDFInfo
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- CN216117397U CN216117397U CN202220104199.2U CN202220104199U CN216117397U CN 216117397 U CN216117397 U CN 216117397U CN 202220104199 U CN202220104199 U CN 202220104199U CN 216117397 U CN216117397 U CN 216117397U
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Abstract
The utility model provides a multi-dimensional scanning ore sorting device, which relates to the technical field of ore sorting, and comprises a conveying mechanism, an X-ray collector, an X-ray generator, a first adjusting component, a laser generator and an industrial camera; the X-ray collector is arranged on the conveying mechanism; the X-ray generator is arranged above the conveying mechanism through the first adjusting assembly and is arranged opposite to the X-ray collector; laser generator and industry camera all set up in conveying mechanism top, and laser generator is located X ray generator towards one side of conveying mechanism discharge end, and industry camera is used for the ore line scanning formation of image that shines to laser generator. The multi-dimensional scanning ore sorting device provided by the utility model combines a three-dimensional laser scanning method with X-ray transmission imaging, improves the ore identification precision, and can effectively avoid inaccurate identification caused by the problem of ore thickness.
Description
Technical Field
The utility model relates to the technical field of ore sorting, in particular to a multi-dimensional scanning ore sorting device.
Background
In the ore field of sorting, based on visible light image acquisition, can acquire ore surface characteristic, can classify different types of ore according to differences such as the colour on ore surface, texture. In the actual separation process, most of the concentrates and the gangue have no obvious difference on the surface characteristics, and an effective classification model is difficult to establish. In recent years, a sorting method based on X-ray transmission is widely applied to the field of ore sorting, and based on the principle of penetration, different substances have different absorption capacities to form transmission imaging, so that the defect that the surface characteristics of visible light imaging are not obvious is overcome. The X-ray has stronger penetrability, and the transmission intensity is related to attributes such as density, atomic number and thickness of the substance, so the thickness of the ore can influence the transmission capability of the X-ray, and the classification can be more accurate by establishing the relation between the thickness and the transmission of the ore.
Patent CN 111957600A discloses a multispectral fused material identification system, an intelligent sorting device and a sorting method, wherein the system comprises a conveyer belt, a signal acquisition unit and an identification host. The conveyor belt distributes the objects to be identified evenly and delivers them to the signal acquisition unit at a uniform speed. The signal acquisition unit acquires a detection signal and sends the detection signal to the identification host. The identification host calculates and identifies the category of the object to be identified according to the acquired signal. The signal acquisition unit comprises an X-ray emitter, a linear array camera and at least one column of linear light sources. The X-ray emitter and the line camera are arranged above the conveyor belt along the moving direction of the conveyor belt, and the at least one column of linear light sources is arranged below the line camera.
Based on the scheme that a 2D camera and X-rays are fused, the 2D camera can only test the property change of the ore surface, in the actual sorting process, the surface property difference of complex ores is small, the ore surface is susceptible to the influence of the environment (humidity, dust, illumination and the like), and the X-rays can penetrate through the ores, and the penetration capacity is influenced by the ray intensity, the thickness of the ores and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multi-dimensional scanning ore sorting device which is high in ore identification precision and free of influence of the thickness of ores on X-ray penetrating capacity.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a multi-dimensional scanning ore sorting device which comprises a conveying mechanism, an X-ray collector, an X-ray generator, a first adjusting component, a laser generator and an industrial camera, wherein the X-ray collector is arranged on the conveying mechanism;
the X-ray collector is arranged on the conveying mechanism;
the X-ray generator is arranged above the conveying mechanism X through the first adjusting assembly, the X-ray generator is arranged opposite to the X-ray collector, and the first adjusting assembly is used for adjusting the height of the X-ray generator;
the laser generator with the industry camera all set up in conveying mechanism top, laser generator is located X ray generator faces one side of conveying mechanism discharge end, the industry camera is used for to the ore line scanning formation of image that laser generator shines.
Further, the device also comprises a control machine and a blowing mechanism;
the X-ray collector and the industrial camera are both connected with the control machine, the X-ray collector is used for sending a first scanning image to the control machine, and the industrial camera is used for sending a second scanning image to the control machine;
the control machine is connected with the blowing mechanism and used for receiving the first scanning image and the second scanning image and controlling the blowing mechanism to blow the ore thrown out from the discharging end of the conveying mechanism.
Further, the laser line that laser generator sent is perpendicular to the direction of transportation of ore on the conveying mechanism.
Further, the laser line emitted by the laser generator is red laser, and the wavelength of the red laser is 650 nm.
Further, the industrial camera is positioned on the side of the laser generator facing the discharge end of the conveying mechanism, and the scanning opening of the industrial camera faces the projection of the laser generator on the conveying mechanism.
Further, the industrial camera is a line scan industrial camera.
Further, the industrial camera is installed above the conveying mechanism through a second adjusting assembly, and the second adjusting assembly is used for adjusting the orientation of a scanning opening of the industrial camera.
Furthermore, the X-ray collector is installed on the conveying mechanism through a third adjusting component, and the third adjusting component is used for adjusting the horizontal position of the X-ray collector.
Furthermore, a sliding rail is arranged on the conveying mechanism, the length direction of the sliding rail is parallel to the conveying direction of ore on the conveying mechanism, and the X-ray collector is installed on the sliding rail through the third adjusting component.
Furthermore, scales are arranged on the slide rail.
The multi-dimensional scanning ore sorting device provided by the utility model can produce the following beneficial effects:
the height of the X-ray generator can be adjusted by using the first adjusting component according to the distribution condition of the thickness of the ore, when the ore can be transported to a discharging end from a feeding end of the conveying mechanism, the X-ray generator sends X-rays and finishes scanning imaging by the X-ray collector, the laser generator sends laser, and when the ore reaches the irradiation position of the laser generator, the industrial camera performs line scanning imaging.
Compared with the prior art, the multi-dimensional scanning ore sorting device provided by the utility model combines a three-dimensional laser scanning method with X-ray transmission imaging, can eliminate the influence of thickness parameters on the identification precision on the premise of accurately obtaining ore thickness information, improves the ore identification precision, can adjust the height of the X-ray generator according to the thickness distribution of ores, enhances the ray penetration capacity, and effectively avoids inaccurate identification caused by the problem of ore thickness.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a multi-dimensional scanning ore sorting device according to an embodiment of the present invention.
Icon: 1-a conveying mechanism; 11-a slide rail; 2-an X-ray collector; 3-X-ray generator; 4-a first adjustment assembly; 5-a laser generator; 6-an industrial camera; 7-a blowing mechanism; 8-a second adjustment assembly; 9-a third adjustment assembly; and 10-ore bin.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.
The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
An embodiment of a first aspect of the present invention provides a multi-dimensional scanning ore sorting device, as shown in fig. 1, including a conveying mechanism 1, an X-ray collector 2, an X-ray generator 3, a first adjusting component 4, a laser generator 5, and an industrial camera 6; the X-ray collector 2 is arranged on the conveying mechanism 1; the X-ray generator 3 is arranged above the conveying mechanism 1 through a first adjusting component 4, the X-ray generator 3 is arranged opposite to the X-ray collector 2, and the first adjusting component 4 is used for adjusting the height of the X-ray generator 3; laser generator 5 and industry camera 6 all set up in conveying mechanism 1 top, and laser generator 5 is located one side that X ray generator 3 faces conveying mechanism 1 discharge end, and industry camera 6 is used for to the ore line scanning formation of image that laser generator 5 shines.
Specifically, as shown in fig. 1, the conveying mechanism 1 firstly conveys the ore to the lower part of the X-ray generator 3, the X-ray emitted by the X-ray generator 3 penetrates through the ore, the X-ray collector 2 performs scanning imaging, then the ore is conveyed to the lower part of the laser generator 5, the industrial camera 6 is used for scanning imaging of the ore line irradiated by the laser generator 5 to obtain thickness information of the ore, and the X-ray transmission imaging can eliminate the influence of the thickness parameter on the identification precision and improve the ore identification precision.
When sorting different batches of ore, the height of X ray generator 3 is adjusted to the accessible first adjusting part 4 to the detection distance of adjustment ray source changes the ray penetrability, thereby is applicable to the sorting of different thickness ores.
It should be noted that all the structures capable of adjusting the height of the X-ray generator 3 can be the first adjusting assembly 4 mentioned in the above embodiments. For example: the first adjustment assembly 4 may comprise a manual adjustment structure such as an orchid screw, or the first adjustment assembly 4 may comprise an automatic driving structure such as a pneumatic cylinder, a hydraulic cylinder, etc.
In some embodiments, as shown in fig. 1, the first adjusting assembly 4 includes a fixing pipe, a moving pipe and a locking member, the fixing pipe can be connected to an external object, the fixing pipe is provided with a plurality of first connecting holes along a height direction, the moving pipe is provided with a second connecting hole matched with the first connecting holes, the X-ray generator 3 is connected to the moving pipe, and an operator can insert the locking member into the second connecting hole and the appropriate first connecting hole to lock the position of the moving pipe relative to the fixing pipe.
In addition, the conveying mechanism 1 preferably includes a belt conveyor, one end of the belt conveyor is a feeding end, and the other end of the belt conveyor is a discharging end, and the conveying mechanism 1 may also include a chain transmission structure and the like. The X-ray collector 2, the X-ray generator 3, the laser generator 5 and the industrial camera 6 are all directly available devices, and therefore the specific structures of the four devices will not be described in detail.
In at least one embodiment, as shown in fig. 1, the multi-dimensional scanning ore sorting device further comprises a control machine and a blowing mechanism 7; the X-ray collector 2 and the industrial camera 6 are both connected with the control machine, the X-ray collector 2 is used for sending the first scanning image to the control machine, and the industrial camera 6 is used for sending the second scanning image to the control machine; the control machine is connected with the injection mechanism 7 and is used for receiving the first scanning image and the second scanning image and controlling the injection mechanism 7 to inject the ore thrown out from the discharging end of the conveying mechanism 1, so that the ore can freely change a moving path under the injection of the injection mechanism 7 or reach the specified ore bin 10.
Specifically, the control machine firstly carries out filtering, morphological operation and segmentation to remove the background after receiving the first scanning image, and reserves the original numerical value of the ore area; then, fusion calculation is carried out on the thickness information and the ore gray information, and correction processing is carried out on the gray information of the X-ray imaging of the ore through the thickness information; then, carrying out feature extraction on the corrected ore gray level image to form a sorting feature function; and then, setting separation parameters according to the separation characteristic function to form an injection point table, wherein each point position of the injection point table represents the switch of an electromagnetic valve in the injection mechanism 7, and the injection table is sent to the injection mechanism 7 to complete the execution of the electromagnetic valve so that the minerals reach the specified ore bin 10.
The ore thickness information is calculated by adopting a laser triangulation distance measuring method, and specifically, the thickness is measured by adopting an oblique shooting mode. The features in the feature extraction of the corrected ore gray level image comprise gray level textures, a mean value and a variance. It should be noted that the above operation steps are well known means of those skilled in the art, that is, those skilled in the art can use a well-known control machine to operate according to the above steps so as to make the ore reach the instruction ore bin, and the above control machine may specifically use an industrial personal computer.
The laser generator 5 is specifically described below:
in some embodiments, the laser line emitted by the laser generator 5 is perpendicular to the transportation direction of the ore on the conveying mechanism 1, so that the laser emitted by the laser generator 5 vertically irradiates the ore, and the accuracy of ore thickness judgment is ensured.
In some embodiments, the laser line generated by the laser generator 5 is red laser light having a wavelength of 650 nm.
The industrial camera 6 is specifically described below:
in some embodiments, the industrial camera 6 is located on the side of the laser generator 5 facing the discharge end of the conveying mechanism 1, i.e. the industrial camera 6 is located at the next station of the laser generator 5 along the feeding direction of the conveying mechanism 1, and the scanning port of the industrial camera 6 faces the projection of the laser generator 5 on the conveying mechanism 1, so as to ensure that the industrial camera 6 accurately scans ore right below the laser generator 5.
In at least one embodiment, the industrial camera 6 is a line scan industrial camera, specifically a CMOS line scan industrial camera.
In some embodiments, as shown in fig. 1, the industrial camera 6 is mounted above the conveying mechanism 1 by a second adjusting assembly 8, and the second adjusting assembly 8 is used for adjusting the orientation of the scanning port of the industrial camera 6, so as to ensure that the scanning port of the industrial camera 6 is adjusted to be aligned with ore below the laser generator 5.
It should be noted that all the structures capable of adjusting the orientation of the scanning opening of the industrial camera 6 may be the second adjusting assembly 8 mentioned in the above embodiments. For example: the second adjusting assembly 8 may include an arc-shaped guide rail and a slide bar installed on the arc-shaped guide rail through a fastening bolt, the arc-shaped guide rail may be installed on an external object, and the industrial camera 6 is connected with the slide bar; or the second adjusting component 8 comprises a universal joint, the angle of the scanning opening in the industrial camera 6 is adjusted through the rotation of the universal joint, and the like.
A preferred embodiment of the above-described multidimensional scanning ore sorting apparatus is described in detail below:
in some embodiments, as shown in fig. 1, the X-ray collector 2 is mounted on the conveying mechanism 1 through a third adjusting assembly 9, and the third adjusting assembly 9 is used for adjusting the horizontal position of the X-ray collector 2, so that the X-ray collector 2 can be conveniently aligned to the rays emitted by the X-ray generator 3, the focusing of the rays is ensured, the scattering of the rays is reduced, and the X-ray ore transmission imaging quality is enhanced.
It should be noted that all the structures capable of adjusting the horizontal position of the X-ray collector 2 can be the third adjusting assembly 9 mentioned in the above embodiments. For example: the third adjustment assembly 9 may comprise a bolt and nut; or the third adjustment member 9 may comprise a snap and a catch etc.
On the basis of the above embodiment, preferably, as shown in fig. 1, the conveying mechanism 1 is provided with a slide rail 11, the length direction of the slide rail 11 is parallel to the conveying direction of ore on the conveying mechanism 1, and the X-ray collector 2 is mounted on the slide rail 11 through the third adjusting assembly 9.
The slide rail 11 plays a guiding role in the movement of the X-ray collector 2, and the X-ray collector 2 is ensured to move along the direction parallel to the transportation direction of the ores on the conveying mechanism 1.
On the basis of the above embodiment, preferably, in order to record the moving distance of the X-ray collector 2, the slide rail 11 is provided with a scale.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A multi-dimensional scanning ore sorting device is characterized by comprising a conveying mechanism (1), an X-ray collector (2), an X-ray generator (3), a first adjusting component (4), a laser generator (5) and an industrial camera (6);
the X-ray collector (2) is arranged on the conveying mechanism (1);
the X-ray generator (3) is mounted above the conveying mechanism (1) through the first adjusting component (4), the X-ray generator (3) is arranged opposite to the X-ray collector (2), and the first adjusting component (4) is used for adjusting the height of the X-ray generator (3);
laser generator (5) with industry camera (6) all set up in conveying mechanism (1) top, laser generator (5) are located X ray generator (3) face one side of conveying mechanism (1) discharge end, industry camera (6) are used for right the ore line scanning formation of image that laser generator (5) shone.
2. The multi-dimensional scanning ore sorting device according to claim 1, further comprising a control machine and a blowing mechanism (7);
the X-ray collector (2) and the industrial camera (6) are both connected with the control machine, the X-ray collector (2) is used for sending a first scanning image to the control machine, and the industrial camera (6) is used for sending a second scanning image to the control machine;
the control machine is connected with the blowing mechanism (7), and is used for receiving the first scanning image and the second scanning image and controlling the blowing mechanism (7) to blow the ore thrown out from the discharging end of the conveying mechanism (1).
3. The multi-dimensional scanning ore sorting device according to claim 1, characterized in that the laser line emitted by the laser generator (5) is perpendicular to the transport direction of the ore on the conveyor mechanism (1).
4. A multi-dimensional scanning ore sorting device according to claim 3, characterized in that the laser line emitted by the laser generator (5) is red laser, and the wavelength of the red laser is 650 nm.
5. The multi-dimensional scanning ore sorting device according to claim 3, characterized in that the industrial camera (6) is located on the side of the laser generator (5) facing the discharge end of the conveyor mechanism (1), the scanning opening of the industrial camera (6) facing the projection of the laser generator (5) on the conveyor mechanism (1).
6. The multi-dimensional scanning ore sorting device according to claim 1, characterized in that the industrial camera (6) is a line scan industrial camera.
7. The multi-dimensional scanning ore sorting device according to claim 1, characterized in that the industrial camera (6) is mounted above the conveyor mechanism (1) by a second adjusting assembly (8), the second adjusting assembly (8) being used for adjusting the scanning mouth orientation of the industrial camera (6).
8. The multi-dimensional scanning ore sorting device according to claim 1, characterized in that the X-ray collector (2) is mounted to the conveying mechanism (1) by a third adjusting assembly (9), the third adjusting assembly (9) being used to adjust the horizontal position of the X-ray collector (2).
9. The multi-dimensional scanning ore sorting device according to claim 8, wherein a slide rail (11) is arranged on the conveying mechanism (1), the length direction of the slide rail (11) is parallel to the conveying direction of the ore on the conveying mechanism (1), and the X-ray collector (2) is mounted on the slide rail (11) through the third adjusting component (9).
10. The multi-dimensional scanning ore sorting device according to claim 9, characterized in that the slide rail (11) is provided with graduations.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220104199.2U CN216117397U (en) | 2022-01-17 | 2022-01-17 | Multi-dimensional scanning ore sorting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220104199.2U CN216117397U (en) | 2022-01-17 | 2022-01-17 | Multi-dimensional scanning ore sorting device |
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| CN216117397U true CN216117397U (en) | 2022-03-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114798488A (en) * | 2022-04-19 | 2022-07-29 | 同方威视技术股份有限公司 | Material sorting system and sorting method |
| WO2024138826A1 (en) * | 2022-12-29 | 2024-07-04 | 瑞声光电科技(常州)有限公司 | Thickness measurement apparatus and thickness measurement method |
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2022
- 2022-01-17 CN CN202220104199.2U patent/CN216117397U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114798488A (en) * | 2022-04-19 | 2022-07-29 | 同方威视技术股份有限公司 | Material sorting system and sorting method |
| WO2023202259A1 (en) * | 2022-04-19 | 2023-10-26 | 同方威视技术股份有限公司 | Material sorting system and sorting method |
| WO2024138826A1 (en) * | 2022-12-29 | 2024-07-04 | 瑞声光电科技(常州)有限公司 | Thickness measurement apparatus and thickness measurement method |
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