Visual unmanned coal gangue identifying and screening device based on infrared thermal imaging

Abstract

The visual unmanned coal gangue recognizing and screening device comprises a feeding assembly, the feeding assembly comprises a side plate, the inner wall of the side plate is rotationally connected with a feeding roller through a bearing, the outer wall of the feeding roller is in matched transmission connection with a conveying belt, and a thermal imaging recognizing assembly is fixedly installed on the outer wall of the top of the side plate. The imaging recognition assembly comprises a plurality of thermal imaging cameras which are evenly distributed, a coal storage bin is arranged at the bottom of the output end of the conveying belt, and a picker used for picking up coal gangue is arranged on the outer side of the output end of the conveying belt. After the size and position of coal gangue in a mixture of coal and the coal gangue are recognized by arranging the imaging recognition assembly, the coal gangue can be rapidly transferred into a rinsing pool by controlling the slide way to stretch out and draw back through the linkage picker when passing through the discharging plate, rapid unmanned recognition and screening are facilitated, and the working efficiency is improved. And the working efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of gangue identification and screening devices, in particular to a visible unmanned gangue identification and screening device based on infrared thermal imaging. Background Art

[0002] In the process of coal mining and processing, the separation of coal gangue is an important link. The traditional method of separating coal gangue mainly relies on manual screening or mechanical screening, which is inefficient and inaccurate. At the same time, manual screening is labor-intensive and has a bad working environment, posing a threat to the health of workers. The existing visual unmanned coal gangue identification and screening devices often have low identification accuracy, and it is not convenient to grade and screen coal and coal gangue through integrated equipment, which is not convenient to improve the separation accuracy and work efficiency. Summary of the invention

[0003] The purpose of the present invention is to provide a visual unmanned coal gangue identification and screening device based on infrared thermal imaging to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A visual unmanned coal gangue identification and screening device based on infrared thermal imaging.

[0006] In a preferred embodiment of the present invention, it includes a feeding assembly, which includes a side plate, the inner wall of the side plate is rotatably connected to a feeding roller through a bearing, the outer wall of the feeding roller is connected to a conveyor belt through a transmission, and a thermal imaging recognition assembly is fixedly installed on the outer wall of the top of the side plate, and the imaging recognition assembly includes a number of evenly distributed thermal imaging cameras. A coal storage bin is provided at the bottom of the output end of the conveyor belt, a pickup for picking up coal gangue is provided on the outer side of the output end of the conveyor belt, and a coal rinsing assembly is provided at the output end of the pickup, the coal rinsing assembly includes a rinsing tank, and the output end of the rinsing tank is connected to a coal separation assembly, and the coal separation assembly includes a separation bin, and a scraper is slidably connected to the inner wall of the separation bin.

[0007] In a preferred embodiment of the present invention, the feeding assembly includes a servo motor, a groove is formed on the outer wall of the side plate, the outer walls of adjacent feeding rollers are connected in sequence through a synchronous belt and a synchronous pulley, the servo motor is installed on the inner wall of the groove, and the outer wall of the output shaft of the servo motor is connected to the outer wall of the feeding roller through a synchronous pulley and a synchronous belt transmission.

[0008] In a preferred embodiment of the present invention, the thermal imaging recognition component includes a support frame, and baffles are arranged on the front and rear sides of the support frame. The thermal imaging camera is evenly fixed on the bottom inner wall of the support frame, and the controller is fixedly installed on the outer wall of the support frame. The display screen and operation buttons are fixedly installed on the front outer wall of the controller.

[0009] In a preferred embodiment of the present invention, the pickup comprises a guide rail frame, the inclination angle between the guide rail frame and the side plate is 30°, the top of the guide rail frame is evenly provided with slide grooves, and the bottom of the slide grooves is provided with through holes.

[0010] In a preferred embodiment of the present invention, the inner wall of the guide rail frame is slidably connected with a slideway, the bottom of the slideway is fixedly connected to a slider, the slider slides on the inner wall of the through hole, a cylinder is fixedly installed on the outer wall of the bottom of the guide rail frame, the output end of the cylinder is fixedly connected to the slider, the inner wall of the side panel is fixedly connected to a blanking plate, and the slideway is cooperatively connected to the blanking plate.

[0011] In a preferred embodiment of the present invention, rollers are rotatably connected at the four corners of the bottom of the coal storage bin, and a handle is fixedly connected to the outer wall of the coal storage bin.

[0012] In a preferred embodiment of the present invention, the coal separation assembly comprises a guide plate, which is fixedly mounted on the inner wall of the separation bin, and the bottom of the guide plate is fixedly connected to the outer wall of the separation bin via a support rod.

[0013] In a preferred embodiment of the present invention, a limit frame is fixedly installed on the top outer walls of both sides of the separation bin, the inner wall of the limit frame is rotatably connected to the screw through a bearing, the two screws are connected through a third synchronous pulley and a third synchronous belt transmission, and the second servo motor is fixedly installed on the outer wall of the limit frame.

[0014] In a preferred embodiment of the present invention, the outer wall of the output shaft of the second servo motor is connected to the outer wall of the lead screw through a gear meshing transmission, the inner wall of the scraper is provided with a filter, the outer wall of the front end of the scraper is fixedly connected to a pull rod, the outer wall of the top end of the pull rod is slidably connected to the inner wall of the limit frame, and the inner wall of the top end of the pull rod is threadedly connected to the outer wall of the lead screw.

[0015] In a preferred embodiment of the present invention, the rinsing tank includes an inlet pipe and a discharge pipe, which are fixedly mounted on the outer wall of the rinsing tank, a filter element is installed at the input end of the discharge pipe, the inner wall of the separation bin is fixedly connected to the second inlet pipe and the second discharge pipe, the end of the side panel is fixedly connected to the frame, and the rinsing tank is installed inside the frame.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention.

[0017] 1. After the size and position of the gangue in the mixture of coal and gangue are identified by setting an imaging recognition component, the gangue is linked to the picker so that the slideway is controlled to extend and retract when the gangue passes through the unloading plate, so that the slideway can quickly transfer the gangue to the rinsing tank, which is convenient for rapid unmanned identification and screening, and improves work efficiency;

[0018] 2. By setting up a rinsing pool and using water to distinguish the density of gangue and coal, the fine coal slag mixed in the gangue can be quickly separated, and the dust and other impurities in the coal slag can be cleaned, thereby improving the practicality of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0020] Figure 1 It is a schematic diagram of the main structure of a visual unmanned coal gangue identification and screening device based on infrared thermal imaging;

[0021] Figure 2 It is a schematic diagram of a top view structure of a visual unmanned coal gangue identification and screening device based on infrared thermal imaging;

[0022] Figure 3 It is a schematic diagram of the structure of a thermal imaging recognition component in a visual unmanned coal gangue recognition and screening device based on infrared thermal imaging;

[0023] Figure 4 It is a schematic diagram of the structure of a gangue separation component in a visual unmanned gangue identification and screening device based on infrared thermal imaging;

[0024] Figure 5 It is a schematic diagram of the upward structure of a picker in a visual unmanned coal gangue identification and screening device based on infrared thermal imaging;

[0025] Figure 6 It is a schematic diagram of the structure of the coal bin in a visual unmanned coal gangue identification and screening device based on infrared thermal imaging;

[0026] Figure 7 It is a schematic diagram of the structure of a rinsing bin in a visual unmanned coal gangue identification and screening device based on infrared thermal imaging;

[0027] Figure 8 The figure is a schematic diagram of the structure of a coal enrichment bin in a visual unmanned coal gangue identification and screening device based on infrared thermal imaging.

[0028] In the figure: side plate 100, groove 110, synchronous belt 120, synchronous pulley 130, servo motor 140, unloading plate 150, conveyor belt 160, guide frame 170, slide groove 171, through hole 172, slideway 173, slider 174, cylinder 175, support frame 200, baffle 210, thermal imaging camera 220, controller 230, display screen 231, operation button 232, coal storage bin 300, handle 310, roller 320, frame 400, rinsing tank 410, water inlet pipe 420, discharge pipe 430, separation bin 500, guide plate 510, scraper 520, pull rod 521, limit frame 530, screw 540, third synchronous belt 550, second servo motor 560. DETAILED DESCRIPTION

[0029] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0030] Example 1: Figure 1-Figure 4 , including a feeding assembly, the feeding assembly includes a side plate 100, the inner wall of the side plate 100 is rotatably connected to a feeding roller through a bearing, the outer wall of the feeding roller is connected to a conveyor belt 160 through a transmission, a thermal imaging recognition assembly is fixedly installed on the outer wall of the top of the side plate 100, the imaging recognition assembly includes a number of evenly distributed thermal imaging cameras 220, a coal storage bin 300 is provided at the bottom of the output end of the conveyor belt 160, a picker for picking up coal gangue is provided on the outer side of the output end of the conveyor belt 160, a coal rinsing assembly is provided at the output end of the picker, the coal rinsing assembly includes a rinsing tank 410, the output end of the rinsing tank 410 is connected to a coal separation assembly, the coal separation assembly includes a separation bin 500, and a scraper 520 is slidably connected to the inner wall of the separation bin 500.

[0031] The specific usage scenario of this embodiment is: after setting an imaging recognition component to identify the size and position of the gangue in the mixture of coal and gangue, the gangue is controlled to extend and retract by the linkage picker when passing through the unloading plate 150, so that the slide 173 can quickly transfer the gangue to the rinsing tank 410, which is convenient for rapid unmanned identification and screening, and improves work efficiency. By setting up the rinsing tank 410, the density difference between gangue and coal is distinguished by water, and the fine coal slag mixed in the gangue can be quickly separated, and impurities such as dust in the coal slag can be cleaned, thereby improving the practicality of the equipment.

[0032] Example 2: Figure 1 and Figure 2The feeding assembly includes a servo motor 140. A groove 110 is formed on the outer wall of the side plate 100. The outer walls of adjacent feeding rollers are connected in turn through a synchronous belt 120 and a synchronous pulley 130. The servo motor 140 is installed on the inner wall of the groove 110. The outer wall of the output shaft of the servo motor 140 is connected to the outer wall of the feeding roller through a synchronous pulley and a synchronous belt transmission.

[0033] The specific usage scenario of this embodiment is: the mixture of coal and gangue is transported to the bottom of the thermal imaging camera 220, and the thermal imaging camera 220 is used to identify the gangue in the mixture of coal and gangue, and to identify the size and position of the gangue.

[0034] Example 3: Figure 3 The thermal imaging recognition component includes a support frame 200, and baffles 210 are set on the front and rear sides of the support frame 200. The thermal imaging camera 220 is evenly fixed on the bottom inner wall of the support frame 200. The controller 230 is fixed on the outer wall of the support frame 200. The display screen 231 and the operation button 232 are fixed on the front outer wall of the controller 230.

[0035] The specific usage scenario of this embodiment is: a mixture of coal and gangue is transported to the bottom of the thermal imaging camera 220, and the thermal imaging camera 220 is used to identify the gangue in the mixture of coal and gangue, and the size and position of the gangue are identified. When the gangue is transported to the unloading plate 150, the cylinder 175 is turned on to push the slide 173 at the corresponding position to move along the slide 171 to the unloading plate 150, so that the gangue transported from the unloading plate 150 is received, and the gangue falls into the coal storage bin 300 under the action of gravity. The controller 230 includes general standard parts or parts known to technicians in this field. Its structure and principle can be known to technicians in this field through technical manuals or through conventional experimental methods, and is used to control the equipment.

[0036] Example 4: Figure 4 and Figure 5 The picker includes a guide rail frame 170, the inclination angle between the guide rail frame 170 and the side plate 100 is 30°, the top of the guide rail frame 170 is evenly provided with slide grooves 171, the bottom of the slide groove 171 is provided with a through hole 172, the inner wall of the guide rail frame 170 is slidably connected with a slideway 173, the bottom of the slideway 173 is fixedly connected with a slider 174, the slider 174 slides on the inner wall of the through hole 172, the outer wall of the bottom of the guide rail frame 170 is fixedly installed with a cylinder 175, the output end of the cylinder 175 is fixedly connected to the slider 174, the inner wall of the side plate 100 is fixedly connected to the blanking plate 150, and the slideway 173 is cooperatively connected with the blanking plate 150.

[0037] The specific usage scenario of this embodiment is: by turning on the cylinder 175, the cylinder 175 pushes the slide 173 at the corresponding position to move along the slide 171 to the unloading plate 150, so that the coal gangue transported from the unloading plate 150 is received, and the coal gangue slides into the rinsing tank 410 under the action of gravity.

[0038] Example 5: Figure 6-Figure 8 The four corners of the bottom of the coal storage bin 300 are rotatably connected to rollers 320, the outer wall of the coal storage bin 300 is fixedly connected to the handle 310, the rinsing tank 410 includes an inlet pipe 420 and a discharge pipe 430, the inlet pipe 420 and the discharge pipe 430 are fixedly installed on the outer wall of the rinsing tank 410, a filter element is installed at the input end of the discharge pipe 430, the inner wall of the separation bin 500 is fixedly connected to the second inlet pipe and the second discharge pipe, the end of the side panel 100 is fixedly connected to the frame 400, and the rinsing tank 410 is installed inside the frame 400.

[0039] The specific usage scenario of this embodiment is: clean water is injected into the rinsing tank 410 through the water inlet pipe 420, so that under the action of buoyancy, the coal floats on the water surface and is transported to the guide plate 510. The density of the coal gangue is greater than the density of water and is thus precipitated inside the rinsing tank 410, so that the coal gangue and coal in the rinsing tank 410 can be screened in one step, and the sewage is discharged and filtered through the discharge pipe 430 and can be reused.

[0040] Example 5: Figure 1 and Figure 2 The coal separation component includes a guide plate 510, which is fixedly installed on the inner wall of the separation bin 500. The bottom of the guide plate 510 is fixedly connected to the outer wall of the separation bin 500 by a support rod. The top outer walls of both sides of the separation bin 500 are fixedly installed with a limit frame 530. The inner wall of the limit frame 530 is rotatably connected to the lead screw 540 through a bearing. The two lead screws 540 are connected by a third synchronous pulley and a third synchronous belt 550. The second servo motor 560 is fixedly installed on the outer wall of the limit frame 530. The outer wall of the output shaft of the second servo motor 560 is connected to the outer wall of the lead screw 540 by gear meshing transmission. The inner wall of the scraper 520 is provided with a filter screen. The outer wall of the front end of the scraper 520 is fixedly connected to the pull rod 521. The outer wall of the top end of the pull rod 521 is slidably connected to the inner wall of the limit frame 530, and the inner wall of the top end of the pull rod 521 is threadedly connected to the outer wall of the lead screw 540.

[0041] The specific usage scenario of this embodiment is: by turning on the second servo motor 560, the second servo motor 560 drives the lead screw 540 to rotate, so that the lead screw 540 can drive the pull rod 521 to pull the scraper 520, so that the scraper 520 can separate the water and coal ash in the separation bin 500 under the action of the filter, and after enriching the coal ash, take the coal ash out of the separation bin 500.

[0042] The working principle of the present invention is as follows: when in use, a person skilled in the art places the mixture of coal and gangue to be separated on the top of the conveyor belt 160, and turns on the servo motor 140 so that the servo motor 140 drives the conveyor belt 160 to rotate, and the mixture of coal and gangue is transported to the bottom of the thermal imaging camera 220, and the thermal imaging camera 220 is used to identify the gangue in the mixture of coal and gangue, and to identify the size and position of the gangue. When the gangue is transported to the unloading plate 150, the cylinder 175 is turned on so that the cylinder 175 pushes the slide 173 at the corresponding position to move along the slide 171 to the unloading plate 150, so that the unloading plate 150 receives the transported gangue, and the gangue slides into the rinsing tank 410 under the action of gravity, and the water in the rinsing tank 410 is injected through the water inlet pipe 420. The water makes the fine coal slag mixed around the coal gangue be transported to the guide plate 510 through the outlet of the output end of the rinsing tank 410 under the buoyancy of the water, and then transported to the separation bin 500 through the guide plate 510. After the coal passes through the unloading plate 150, it falls directly into the coal storage bin 300 under the action of gravity for separation. By turning on the second servo motor 560, the second servo motor 560 drives the lead screw 540 to rotate, so that the lead screw 540 can drive the pull rod 521 to pull the scraper 520, so that the scraper 520 can separate the water and coal slag in the separation bin 500 under the action of the filter screen, and after the coal slag is enriched, the coal slag is taken out from the separation bin 500, and the water in the separation bin 500 is discharged through the second drain pipe. The second water inlet pipe is provided to introduce clean water into the separation bin 500 for flushing.

[0043] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A visual unmanned coal gangue identification and screening device based on infrared thermal imaging, comprising a feeding assembly, wherein the feeding assembly comprises a side plate (100), the inner wall of the side plate (100) is rotatably connected to a feeding roller via a bearing, the outer wall of the feeding roller is connected to a conveyor belt (160) via a transmission, and the thermal imaging identification assembly is fixedly installed on the top outer wall of the side plate (100), characterized in that: The imaging recognition component comprises a plurality of evenly distributed thermal imaging cameras (220); a coal storage bin (300) is provided at the bottom of the output end of the conveyor belt (160); a picker for picking up coal gangue is provided on the outside of the output end of the conveyor belt (160); a coal rinsing component is provided at the output end of the picker; the coal rinsing component comprises a rinsing tank (410); the output end of the rinsing tank (410) is connected to a coal separation component; the coal separation component comprises a separation bin (500); a scraper (520) is slidably connected to the inner wall of the separation bin (500).

2. The visual unmanned coal gangue identification and screening device based on infrared thermal imaging according to claim 1 is characterized in that: The feeding assembly comprises a servo motor (140), the outer wall of the side plate (100) is provided with a groove (110), the outer walls of adjacent feeding rollers are connected in transmission via a synchronous belt (120) and a synchronous pulley (130) in sequence, the servo motor (140) is mounted on the inner wall of the groove (110), and the outer wall of the output shaft of the servo motor (140) is connected to the outer wall of the feeding roller via a synchronous pulley and a synchronous belt.

3. The visual unmanned coal gangue identification and screening device based on infrared thermal imaging according to claim 1 is characterized in that: The thermal imaging recognition component comprises a support frame (200), baffles (210) are arranged on the front and rear sides of the support frame (200), the thermal imaging camera (220) is evenly fixedly mounted on the bottom inner wall of the support frame (200), a controller (230) is fixedly mounted on the outer wall of the support frame (200), and a display screen (231) and an operation button (232) are fixedly mounted on the front outer wall of the controller (230).

4. The visual unmanned coal gangue identification and screening device based on infrared thermal imaging according to claim 1 is characterized in that: The picker comprises a guide rail frame (170), the inclination angle between the guide rail frame (170) and the side plate (100) is 30 degrees, the top of the guide rail frame (170) is evenly provided with sliding grooves (171), and the bottom of the sliding grooves (171) is provided with through holes (172).

5. The visual unmanned coal gangue identification and screening device based on infrared thermal imaging according to claim 4 is characterized in that: The inner wall of the guide rail frame (170) is slidably connected to a slideway (173), the bottom of the slideway (173) is fixedly connected to a slider (174), the slider (174) slides on the inner wall of the through hole (172), a cylinder (175) is fixedly installed on the outer wall of the bottom of the guide rail frame (170), the output end of the cylinder (175) is fixedly connected to the slider (174), the inner wall of the side plate (100) is fixedly connected to the blanking plate (150), and the slideway (173) is cooperatively connected to the blanking plate (150).

6. The visual unmanned coal gangue identification and screening device based on infrared thermal imaging according to claim 1 is characterized in that: The four corners of the bottom of the coal storage bin (300) are all rotatably connected to rollers (320), and the outer wall of the coal storage bin (300) is fixedly connected to a handle (310).

7. The visual unmanned coal gangue identification and screening device based on infrared thermal imaging according to claim 1 is characterized in that: The coal separation assembly comprises a guide plate (510), wherein the guide plate (510) is fixedly mounted on the inner wall of the separation bin (500), and the bottom of the guide plate (510) is fixedly connected to the outer wall of the separation bin (500) via a support rod.

8. The visual unmanned coal gangue identification and screening device based on infrared thermal imaging according to claim 7 is characterized in that: The limiting frames (530) are fixedly mounted on the top outer walls of both sides of the separation bin (500); the inner walls of the limiting frames (530) are rotatably connected to the lead screws (540) via bearings; the two lead screws (540) are transmission-connected via a third synchronous pulley and a third synchronous belt (550); and the outer walls of the limiting frames (530) are fixedly mounted with a second servo motor (560).

9. The visual unmanned coal gangue identification and screening device based on infrared thermal imaging according to claim 8 is characterized in that: The outer wall of the output shaft of the second servo motor (560) is connected to the outer wall of the lead screw (540) via a gear meshing transmission. The inner wall of the scraper (520) is provided with a filter screen. The outer wall at the front end of the scraper (520) is fixedly connected to a pull rod (521). The outer wall at the top end of the pull rod (521) is slidably connected to the inner wall of the limit frame (530). The inner wall at the top end of the pull rod (521) is threadedly connected to the outer wall of the lead screw (540).

10. The visual unmanned coal gangue identification and screening device based on infrared thermal imaging according to claim 1, characterized in that: The rinsing tank (410) comprises a water inlet pipe (420) and a discharge pipe (430), wherein the water inlet pipe (420) and the discharge pipe (430) are fixedly mounted on the outer wall of the rinsing tank (410), a filter element is mounted on the input end of the discharge pipe (430), the inner wall of the separation chamber (500) is fixedly connected to a second water inlet pipe and a second discharge pipe, the end of the side plate (100) is fixedly connected to a frame (400), and the rinsing tank (410) is mounted inside the frame (400).

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