CN212143531U - Coal gangue separation equipment based on depth vision - Google Patents
Coal gangue separation equipment based on depth vision Download PDFInfo
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- CN212143531U CN212143531U CN202020584364.XU CN202020584364U CN212143531U CN 212143531 U CN212143531 U CN 212143531U CN 202020584364 U CN202020584364 U CN 202020584364U CN 212143531 U CN212143531 U CN 212143531U
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Abstract
The utility model discloses a gangue splitter based on degree of depth vision relates to machine vision technical field, and this gangue splitter realizes the queue adjustment of material piece from the mixed state of following row to the single separation state through the multistage velocity difference in the differential conveying production line, makes things convenient for subsequent processing, has reduced the coal cinder loss volume to a great extent; the coal gangue identification device can realize rapid identification, detection and positioning of the material blocks based on the existing machine vision technology, the identification assembly in the coal gangue identification device is novel in structure, the dust removal structure can well clean the shooting area of the camera assembly, the influence of flying coal ash on the shooting effect in the separation process is avoided, the identification precision is ensured, and automatic separation can be realized by combining the rejection structure; the equipment can automatically queue, identify and separate the coal blocks and the coal gangue in a coal block separation production line, and can ensure the identification precision under long-term work, thereby realizing high-precision and high-speed separation operation.
Description
Technical Field
The utility model belongs to the technical field of the machine vision technique and specifically relates to a gangue splitter based on degree of depth vision.
Background
The coal gangue is solid waste discharged in the coal mining and washing processing processes, and the yield of the coal gangue accounts for about 15% of the yield of raw coal. The coal and gangue separation is an essential process in the coal mine production process, the gangue removal is simultaneously the basis of clean energy produced by coal, and pm2.5 unit emission can be reduced by reducing the gangue particle emission. The sorting waste rock can reduce the washing cost, improve the grade of finished coal and improve the economic benefit of coal mine enterprises. The strengthening of the research on comprehensive treatment and comprehensive utilization of coal gangue and the improvement of clean coal technology are important research contents of the current coal-fired big countries and are also requirements for environmental protection and development.
At present, most manual visual inspection modes of coal preparation plants are adopted for coal briquette separation, the separation speed and the separation precision are not ideal, and partial coal preparation plants also utilize the depth vision technology to realize the automatic separation of the identification of coal briquettes and coal gangue, but a large amount of fly-ash coal ash exists in the coal preparation process, and the machine vision detection equipment is interfered, so the identification precision is reduced after the coal preparation plants are used for a period of time, the reliability is not high, or the regular manual cleaning is needed, the manual intervention is still needed, the automatic automation is difficult to complete, and the actual separation effect is not ideal.
SUMMERY OF THE UTILITY MODEL
The inventor of the present invention provides a gangue splitter based on degree of depth vision to above-mentioned problem and technical demand, the technical scheme of the utility model as follows:
a coal gangue separation device based on deep vision comprises a differential conveying production line, a coal gangue identification device, an eliminating structure and a controller, wherein the differential conveying production line comprises a plurality of sequentially connected conveying belt conveyors, and a speed difference exists between the conveying speeds of every two adjacent conveying belt conveyors; the coal gangue identification device is arranged above the last conveying belt conveyor in the conveying direction of the differential conveying production line in a spanning mode, the coal gangue identification device comprises a camera bellows and an identification assembly inside the camera bellows, the camera bellows is covered above the differential conveying production line, a gap for feeding a feeding block to enter and exit is reserved between the camera bellows and the differential conveying production line, the feeding block comprises coal blocks and/or coal gangue, the identification assembly comprises an assembly case, a camera assembly, an industrial light source and a dust removal structure, one side of the assembly case is a transparent cover, the transparent cover faces the differential conveying production line, the camera assembly and the industrial light source are arranged inside the assembly case and face the transparent cover, the dust removal structure is arranged at the transparent cover, the dust removal structure comprises a sliding table rail, a sliding table motor, a brush fixing rod and a cleaning brush, the sliding table rail and the sliding table motor are arranged on, one end of the brush fixing rod is fixed on the sliding block in the sliding table track, the brush fixing rod is perpendicular to the sliding table track and spans the outer side of the transparent cover, and the cleaning brush is installed on the brush fixing rod and is in contact with the surface of the transparent cover; the controller is connected with and controls the sliding table motor; the removing structure is arranged behind the coal gangue identification device along the transmission direction; the controller is connected with the camera assembly, the industrial light source, the dust removal structure and the rejection structure.
The dust removing structure further comprises a detergent container, a detergent and a built-in pump set are arranged in the detergent container, a plurality of spray heads are arranged on one side, facing the transparent cover, of the brush fixing rod, a liquid outlet of the built-in pump set of the detergent container is communicated with the spray heads in the brush fixing rod, and the controller is connected with and controls the pump set of the detergent container.
The differential conveying production line is characterized in that notches are respectively formed in opposite positions of two sides of the coal gangue identification device behind the coal gangue identification device along the conveying direction, a removing structure is arranged at the notch of one side and comprises a pushing plate and a pushing plate driving assembly, a controller is connected with and controls the pushing plate driving assembly, the pushing plate driving assembly is connected with and drives the pushing plate to push materials, and the pushing direction of the pushing plate faces to the notch of the other opposite side and is perpendicular to the conveying direction of the materials on the differential conveying production line.
The differential conveying production line comprises a first conveying belt conveyor, a second conveying belt conveyor, a third conveying belt conveyor and a fourth conveying belt conveyor which are sequentially connected, speed differences are respectively arranged between the conveying speeds of the first conveying belt conveyor and the second conveying belt conveyor, between the conveying speeds of the second conveying belt conveyor and the third conveying belt conveyor and between the conveying speeds of the third conveying belt conveyor and the fourth conveying belt conveyor, the widths of the first conveying belt conveyor and the second conveying belt conveyor are larger than the size of a single material block, the widths of the third conveying belt conveyor and the fourth conveying belt conveyor are larger than the size of the single material block and smaller than the sizes of the two material blocks, and a coal gangue identification device and an eliminating structure are both arranged at the fourth conveying belt conveyor.
The utility model has the beneficial technical effects that:
the application discloses a depth vision-based coal gangue separation device.A differential conveying production line can realize queue adjustment of material blocks from a multi-row mixed state to a single-row separation state by utilizing multi-stage speed difference, so that subsequent treatment is facilitated, and the loss of the coal blocks is greatly reduced; the coal gangue identification device can realize the quick identification detection location of material piece based on current machine vision technique, and the discernment subassembly among the coal gangue identification device novel structure, dust removal structure can be fine clean the shooting region of camera subassembly, avoid flying upward the influence of coal ash to the shooting effect, guarantee the discernment precision, combine to reject the structure and can realize automatic separation, realize the sorting operation of high accuracy, high speed.
Drawings
Fig. 1 is a schematic structural diagram of a coal gangue separation apparatus of the present application.
FIG. 2 is a schematic view of the use effect of the coal gangue separation equipment of the present application.
Fig. 3 is a structural diagram of an identification component in the coal gangue identification device of the present application.
Fig. 4 is a cross-sectional view of an identification component in the coal refuse identification device of the present application.
Detailed Description
The following describes the embodiments of the present invention with reference to the accompanying drawings.
The application discloses gangue splitter based on degree of depth vision please refer to fig. 1, and this gangue splitter includes that the differential is carried production line 1, gangue recognition device 2, is rejected structure 3 and controller, and the controller is the master control equipment of this equipment, can adopt conventional products such as PLC controller to realize.
Wherein, differential is carried and is produced line 1 and include a plurality of consecutive transmission belt feeder, has the speed difference between the transmission speed of every two adjacent transmission belt feeders to make the automatic lining up of material piece on the differential is carried and is produced line 1. In this application, the differential conveying production line 1 includes a first conveying belt 11, a second conveying belt 12, a third conveying belt 13 and a fourth conveying belt 14 which are connected in sequence, and the four conveying belts constitute a three-level variable speed combination. The first conveying belt 11 is a material block feeding belt, raw material blocks enter the differential conveying production line 1 from a feeding port of the first conveying belt 11, the raw material blocks include coal blocks and/or coal gangue, the width of the first conveying belt 11 is generally larger than the size of a single material block, so as to improve the feeding amount, and the material blocks are distributed on the first conveying belt 11 in a disordered manner, please refer to fig. 2, wherein the coal blocks are represented by black material blocks, and the coal gangue is represented by white material blocks. The feeding end of the second conveying belt machine 12 is connected with the discharging end of the first conveying belt machine 11, the second conveying belt machine 12 is a material block grouping belt, a speed difference exists between the second conveying belt machine 12 and the first conveying belt machine 11, a first speed change is formed, the width of the second conveying belt machine 12 is generally larger than the size of a single material block and is generally equal to the width of the first conveying belt machine 11, through the first speed change, the material block is divided into horizontal group groups by the speed difference of the belts on two sides, namely the material blocks are arranged on the second conveying belt machine 12 in horizontal rows, and the horizontal groups are perpendicular to the conveying speed, as shown in fig. 2. The feeding end of the third conveying belt conveyor 13 is connected with the discharging end of the second conveying belt conveyor 12, the third conveying belt conveyor 13 is a material block queuing belt, a speed difference exists between the third conveying belt conveyor 13 and the second conveying belt conveyor 12, a second speed change is formed, the width of the third conveying belt conveyor 13 is larger than the size of a single material block and smaller than the sizes of two material blocks, and a material block transverse team group is merged into a single-row conveying queue through the second speed change. The feeding end of the fourth conveying belt conveyor 14 is connected with the discharging end of the third conveying belt conveyor 13, the fourth conveying belt conveyor 14 is a material block separation belt, a speed difference exists between the fourth conveying belt conveyor 14 and the third conveying belt conveyor 13, a third speed change is formed, the width of the fourth conveying belt conveyor 14 is usually larger than the size of a single material block, and the material blocks in a single-row conveying queue of the material blocks are separated from each other through the third speed change.
The coal gangue identification device 2 is arranged above the last conveying belt conveyor in the conveying direction of the differential conveying production line 1 in a spanning mode, and is arranged at the position of a fourth conveying belt conveyor 14 in the application in the spanning mode. The coal gangue identification device 2 comprises a dark box and an identification assembly inside the dark box, the dark box is covered above the differential conveying production line 1 and a gap for the feeding block to enter and exit is reserved between the dark box and the differential conveying production line 1, as described above, the material blocks in the fourth conveying belt conveyor 14 are in a single-row conveying queue structure with two separated material blocks, so that the material blocks can enter the dark box of the coal gangue identification device 2 one by one, the identification assembly identifies the material blocks in the dark box, and the illumination influence is reduced.
Referring to the structure diagram of the identification component shown in fig. 3 and the cross-sectional view shown in fig. 4, the identification component includes a component case 21, a camera component 22, an industrial light source 23 and a dust removing structure, one side of the component case 21 is a transparent cover 24, and the transparent cover 24 faces the differential speed conveying production line 1. A camera assembly 22 and an industrial light source 23 are disposed inside the assembly housing 21 and directed toward a transparent cover 24, the camera assembly 22 including an industrial camera and an industrial lens, the industrial light source 23 generally above the camera assembly 22. The controller is connected to the camera assembly 22 and the industrial light source 23. The dust removing structure is provided at the transparent cover 24, and includes a slide rail 25, a slide motor 26, a brush fixing rod 27, and a cleaning brush 28. The sliding table track 25 and the sliding table motor 26 are installed on the assembly case 21, the sliding table motor 26 is connected with and drives the sliding block in the sliding table track 25 to move along the sliding table track 25, one end of the brush fixing rod 27 is fixed on the sliding block in the sliding table track 25, the brush fixing rod 27 is arranged outside the transparent cover 24 in a spanning mode perpendicular to the sliding table track 25, and the cleaning brush 28 is installed on the brush fixing rod 27 along the rod length direction of the brush fixing rod 27 and is in surface contact with the transparent cover 24. The controller is connected to and controls the dust removing structure, that is, the ramp motor 26. When the sliding table motor 26 works, the brush fixing rod 27 is driven to move along the sliding table track 25 through the sliding block in the sliding table track 25, so that the cleaning brush 28 cleans the surface of the transparent cover 24, and the visual recognition precision is improved.
Further, the dust removing structure further comprises a detergent container 29, a detergent is arranged in the detergent container 29, a pump set is arranged in the detergent container 29, and a plurality of spray heads are arranged on the side of the brush fixing rod 27 facing the transparent cover 24. The liquid outlet of the built-in pump set is communicated with the spray head in the brush fixing rod 27 through a pipe system, and the controller is connected with and controls the pump set of the cleaning agent container 29. Therefore, when the brush fixing rod 27 is moved to drive the cleaning brush 28 for cleaning, the pump unit in the detergent container 29 is operated and the detergent is sprayed on the transparent cover 24 through the spray head on the brush fixing rod 27, thereby enhancing the cleaning power of the transparent cover 24.
The removal device 3 is arranged behind the coal gangue identification device 2 in the conveying direction, in the present application also at the fourth conveyor belt 14. As shown in fig. 1, the differential conveying production line 1 is provided with notches at two opposite positions of the coal gangue identification device 2 along the rear direction of the conveying direction, the removing structure 3 is arranged at the notch at one side, the removing structure comprises a material pushing plate driving assembly 31 and a material pushing plate 32, and the material pushing plate driving assembly 31 can be a common electric cylinder, an air cylinder and other devices. The controller is connected with and controls the material pushing plate driving assembly 31, the material pushing plate driving assembly 31 is connected with and drives the material pushing plate 32 to move so as to push materials, the material pushing direction of the material pushing plate 32 faces to the notch on the other side, opposite to the tone, of the differential conveying production line 1, namely the material pushing direction of the material pushing plate 32 is perpendicular to the conveying direction of the materials on the differential conveying production line 1. Therefore, as shown in fig. 2, when the material pushing plate 32 is not operated, the material block passes through the rejecting structure 3 and is output from the discharge port of the differential conveying production line 1, when the material pushing plate 32 is operated, the material block is pushed out from the notch by the material pushing plate 32 at the rejecting structure 3, and the separation of the coal block and the coal gangue can be realized by combining the visual identification function of the coal gangue identification device 2.
What has been described above is only a preferred embodiment of the present application, and the present invention is not limited to the above embodiments. It is to be understood that other modifications and variations directly derivable or suggested by those skilled in the art without departing from the spirit and scope of the present invention are to be considered as included within the scope of the present invention.
Claims (4)
1. The coal gangue separation equipment based on the depth vision is characterized by comprising a differential conveying production line, a coal gangue identification device, a removing structure and a controller, wherein the differential conveying production line comprises a plurality of conveying belt conveyors which are sequentially connected, and a speed difference exists between the conveying speeds of every two adjacent conveying belt conveyors; the coal gangue identification device is arranged above the last transmission belt conveyor in the transmission direction of the differential conveying production line in a crossing manner, the coal gangue identification device comprises a camera bellows and an identification component inside the camera bellows, the camera bellows is covered above the differential conveying production line and is in clearance with the feeding block between the differential conveying production lines, the material block comprises coal blocks and/or coal gangue, the identification component comprises a component case, a camera component, an industrial light source and a dust removal structure, one side of the component case is a transparent cover, the transparent cover faces the differential conveying production line, the camera component and the industrial light source are arranged inside the component case and face the transparent cover, the dust removal structure is arranged at the transparent cover, and the dust removal structure comprises a sliding table track, a sliding table motor, a hair brush fixing rod and a cleaning hair brush, the sliding table track and the sliding table motor are arranged on the assembly case, the sliding table motor is connected with and drives a sliding block in the sliding table track, one end of the brush fixing rod is fixed on the sliding block in the sliding table track, the brush fixing rod is perpendicular to the sliding table track and spans the outer side of the transparent cover, and the cleaning brush is arranged on the brush fixing rod and is in surface contact with the transparent cover; the controller is connected with and controls the sliding table motor; the rejection structure is arranged behind the coal gangue identification device along the transmission direction; the controller is connected with the camera assembly, the industrial light source, the dust removal structure and the rejection structure.
2. The coal gangue separation equipment as claimed in claim 1, wherein the dust removing structure further comprises a detergent container, a detergent and a pump set are arranged in the detergent container, the brush fixing rod is provided with a plurality of nozzles on a side facing the transparent cover, a liquid outlet of the pump set arranged in the detergent container is communicated with the nozzles in the brush fixing rod, and the controller is connected with and controls the pump set of the detergent container.
3. The coal gangue separation equipment as claimed in claim 1, wherein the differential conveying production line is provided with notches at opposite positions on two sides of the coal gangue identification device along the rear direction of the conveying direction, the removing structure is arranged at the notch on one side, the removing structure comprises a pushing plate and a pushing plate driving assembly, the controller is connected with and controls the pushing plate driving assembly, the pushing plate driving assembly is connected with and drives the pushing plate to push materials, and the pushing direction of the pushing plate faces the notch on the other opposite side and is perpendicular to the conveying direction of the materials on the differential conveying production line.
4. The coal refuse separation plant of any one of claims 1 to 3, characterized in that, the differential conveying production line comprises a first conveying belt conveyor, a second conveying belt conveyor, a third conveying belt conveyor and a fourth conveying belt conveyor which are connected in sequence, the transmission speeds of the first transmission belt conveyor and the second transmission belt conveyor, the second transmission belt conveyor and the third transmission belt conveyor and the fourth transmission belt conveyor respectively have speed differences, the widths of the first conveying belt and the second conveying belt are larger than the size of a single material block, the width of the third conveying belt conveyor and the width of the fourth conveying belt conveyor are larger than the size of a single material block and smaller than the size of two material blocks, and the coal gangue identification device and the removing structure are arranged at the fourth conveying belt conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020584364.XU CN212143531U (en) | 2020-04-17 | 2020-04-17 | Coal gangue separation equipment based on depth vision |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020584364.XU CN212143531U (en) | 2020-04-17 | 2020-04-17 | Coal gangue separation equipment based on depth vision |
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| CN212143531U true CN212143531U (en) | 2020-12-15 |
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| CN202020584364.XU Active CN212143531U (en) | 2020-04-17 | 2020-04-17 | Coal gangue separation equipment based on depth vision |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695244A (en) * | 2021-08-02 | 2021-11-26 | 程玉群 | Dedusting mattress wrapping film cracking detection equipment and detection method thereof |
| CN113955378A (en) * | 2021-12-07 | 2022-01-21 | 上海擅韬信息技术有限公司 | Automatic feeding system |
| CN114435917A (en) * | 2022-02-24 | 2022-05-06 | 北京华康诚信医疗科技有限公司 | Finished infusion bag reason material device |
| CN114472203A (en) * | 2021-03-03 | 2022-05-13 | 北京软体机器人科技有限公司 | Sorting method and device |
-
2020
- 2020-04-17 CN CN202020584364.XU patent/CN212143531U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114472203A (en) * | 2021-03-03 | 2022-05-13 | 北京软体机器人科技有限公司 | Sorting method and device |
| CN114472203B (en) * | 2021-03-03 | 2024-02-20 | 北京软体机器人科技股份有限公司 | Sorting method and device thereof |
| CN113695244A (en) * | 2021-08-02 | 2021-11-26 | 程玉群 | Dedusting mattress wrapping film cracking detection equipment and detection method thereof |
| CN113955378A (en) * | 2021-12-07 | 2022-01-21 | 上海擅韬信息技术有限公司 | Automatic feeding system |
| CN113955378B (en) * | 2021-12-07 | 2023-11-07 | 上海擅韬信息技术有限公司 | Automatic feeding system |
| CN114435917A (en) * | 2022-02-24 | 2022-05-06 | 北京华康诚信医疗科技有限公司 | Finished infusion bag reason material device |
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