Ore screening device for mining engineering

Abstract

The utility model discloses an ore screening device for mining engineering, which relates to the technical field of mining engineering and comprises a screening box, the top end of the screening box is provided with a filling port, and a first vibrating screen plate and a second vibrating screen plate which are sequentially distributed from top to bottom and are obliquely arranged are fixed in the screening box; the first vibrating screen plate and the second vibrating screen plate which are designed in an inclined mode are arranged in the screening box to conduct vibrating screening on ore raw materials, so that part of ore can be automatically discharged from the discharging port in the screening process; meanwhile, residual ores on the first vibrating screen plate and the second vibrating screen plate are pushed out of a discharging opening through an automatic pushing mechanism, so that the ore screening device can achieve automatic material taking, the automation degree is high, time and labor are saved, dust generated in the ore vibrating screening process is sucked into a dust removal box through a dust suction pipe by means of a dust suction fan, and the dust removal efficiency is improved. And the dust removal box is used for purifying the sucked dust, so that the dust generated in the ore screening process is effectively sucked and purified.

Description

Technical Field

[0001] The utility model relates to the technical field of mining engineering, in particular to an ore screening device used in mining engineering. Background Art

[0002] Mineral mining is a technology and science for extracting mineral resources contained in the earth's crust or on the surface. Since various minerals are buried in the earth's crust or on the surface to varying degrees of depth, the mining of ores requires the use of manual or mechanical equipment to mine and excavate the valuable natural minerals contained in the earth's crust and on the surface. In mining projects, the mined ore generally needs to be screened by size after crushing, and the slag mixed in it must be removed so that ores of different sizes can be subsequently classified and processed.

[0003] For example, the utility model patent with application number 202221908946.4 discloses a mining stone screening device, including a screening bin, which is equipped with a vibration motor and a screen plate inside, a paving assembly is provided at the upper end of the screening bin, and a pushing block of the paving assembly moves in the screening bin through the paving motor and the screw transmission mechanism, a feed port is provided at the top of the screening bin, and an adjustment plate that can be pushed out is provided in the feed port, and the adjustment plate is connected to the adjustment assembly.

[0004] Based on the findings in the prior art, most of the existing ore screening devices have a single function and cannot effectively absorb and purify the dust generated during the ore screening process, which causes the dust generated during the ore screening process to easily leak out and pollute the environment, which is not environmentally friendly. In addition, after ore screening, manual material removal is required, with a low degree of automation, time-consuming and labor-intensive, wasting unnecessary human resources, and inconvenient to use. Therefore, the utility model proposes an ore screening device for mining engineering to solve the problems existing in the prior art. Utility Model Content

[0005] In view of the above problems, the purpose of the utility model is to propose an ore screening device for mining engineering, so as to solve the problems that the existing ore screening devices cannot effectively absorb and purify the dust generated during the ore screening process, resulting in the dust generated during the ore screening process easily leaking out and polluting the environment, and the ore screening requires manual material removal and has a low degree of automation.

[0006] In order to achieve the purpose of the utility model, the utility model is implemented through the following technical solutions: an ore screening device for mining engineering, comprising a screening box, a filling port is provided at the top of the screening box, a first vibrating screen plate and a second vibrating screen plate are fixed inside the screening box, and are distributed in sequence from top to bottom and are inclined, and a vibration motor is fixed at the bottom of the first vibrating screen plate and the second vibrating screen plate, the screen mesh aperture on the first vibrating screen plate is larger than the screen mesh aperture on the second vibrating screen plate, and automatic pushing mechanisms are provided above the first vibrating screen plate and the second vibrating screen plate, and discharge ports adapted to the first vibrating screen plate and the second vibrating screen plate are respectively provided on both side walls of the screening box, and a slag collecting mechanism is provided below the second vibrating screen plate, and a dust suction fan is fixed on the side of the top of the screening box away from the filling port, the input end of the dust suction fan passes through the interior of the screening box and is fixed with a dust suction hood, and the output end of the dust suction fan is connected to a dust removal box through a dust suction pipe.

[0007] A further improvement is that tap water is stored inside the dust removal box, one end of the dust suction pipe away from the dust suction fan extends into the tap water inside the dust removal box, and an inlet pipe and a drain pipe are respectively fixed to the upper and lower parts of the side of the dust removal box away from the dust suction fan.

[0008] A further improvement is that the automatic pushing mechanism includes a screw rod rotatably connected to the front and rear sides of the screening box and driven to rotate by a servo motor, and a threaded plate threadedly sleeved on two groups of the screw rods, a scraper plate is fixed to the bottom end of the threaded plate, and the bottom ends of the two groups of scraper plates are in contact with the first vibrating screen plate and the second vibrating screen plate respectively.

[0009] A further improvement is that transmission boxes are fixed to the outer walls on both sides of the screening box, the ends of the front and rear groups of lead screws close to the servo motor are both passed through the transmission box through bearings and fixed with sprockets, the output end of the servo motor passes through the interior of the transmission box through a bearing and is fixedly connected to one of the groups of sprockets, and chains are commonly sleeved on the two groups of sprockets.

[0010] A further improvement is that the slag collecting mechanism comprises a material guide funnel fixed below the second vibrating screen plate and a slag collecting box located below the material guide funnel, and the slag collecting box is slidably connected to the bottom end of the interior of the screening box.

[0011] A further improvement is that support plates are fixed to the outer walls on both sides of the screening box, an ore collection box adapted to the position of the discharge port is slidably connected to the support plate, and a feed port connected to the discharge port is opened on the side wall of the ore collection box close to the screening box.

[0012] A further improvement is that a T-shaped sliding block is symmetrically fixed to the bottom of the support plate, a T-shaped sliding groove for the T-shaped sliding block is provided at the top of the support plate, and a handle is fixed to the side wall of the ore collecting box away from the screening box.

[0013] The beneficial effects of the utility model are as follows: the utility model comprises a screening box, and the ore raw materials are vibrated and screened by arranging a first vibrating screen plate and a second vibrating screen plate with an inclined design in the screening box, so that part of the ore can be automatically discharged from the discharge port during the screening process, and at the same time, the ore remaining on the first vibrating screen plate and the second vibrating screen plate is pushed out of the discharge port by the automatic pushing mechanism, so that the ore screening device can realize automatic material taking, with a high degree of automation, saving time and labor, and the dust generated in the process of vibrating screening of the ore is sucked into the dust removal box through the dust suction pipe by the dust suction fan, and the sucked dust is purified by the dust removal box, so that the dust generated in the process of ore screening can be effectively sucked and purified, which can fully avoid the problem of easy leakage of dust, play a certain protective role in the environment, and is more environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view of the utility model;

[0015] Figure 2 It is a front sectional view of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the automatic material pushing mechanism of the utility model from a top view.

[0017] Among them: 1. screening box; 2. injection port; 3. first vibrating screen plate; 4. second vibrating screen plate; 5. vibration motor; 6. discharge port; 7. dust suction fan; 8. dust suction hood; 9. dust suction pipe; 10. dust removal box; 11. servo motor; 12. screw rod; 13. threaded plate; 14. scraper plate; 15. transmission box; 16. sprocket; 17. material guide funnel; 18. slag collection box; 19. support plate; 20. ore collection box; 21. T-type slider. DETAILED DESCRIPTION

[0018] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention.

[0019] according to Figure 1 , Figure 2 , Figure 3As shown, this embodiment provides an ore screening device for mining engineering, including a screening box 1 with a hollow design and a material injection port 2 opened on the left side of the top of the screening box 1, support legs are welded and fixed at the four corners of the bottom end of the screening box 1, and the ore raw materials to be screened are injected into the screening box 1 through the material injection port 2, a first vibrating screen plate 3 arranged obliquely is fixed at the top of the screening box 1, and a second vibrating screen plate 4 arranged obliquely is fixed at the bottom of the screening box 1, and a vibration motor 5 is fixed to the bottom ends of the first vibrating screen plate 3 and the second vibrating screen plate 4 by bolts, and the vibration motor 5 drives the first vibrating screen plate 3 to move the first vibrating screen plate 3 and the second vibrating screen plate 4 to move the first vibrating screen plate 3 to move ... A vibrating screen plate 3 and a second vibrating screen plate 4 vibrate and screen the ore raw materials, and the mesh aperture of the first vibrating screen plate 3 is larger than the mesh aperture of the second vibrating screen plate 4, so as to screen out ore raw materials of different sizes and volumes. An automatic pushing mechanism is provided above the first vibrating screen plate 3 and the second vibrating screen plate 4, and the ore raw materials remaining on the first vibrating screen plate 3 and the second vibrating screen plate 4 are pushed to move by the automatic pushing mechanism. Discharge ports 6 are provided on the left and right side walls of the screening box 1, and the positions of the two groups of discharge ports 6 are respectively adapted to the first vibrating screen plate 3 and the second vibrating screen plate 4. In order to facilitate the discharge of ore raw materials, the ore raw materials are vibrated and screened by arranging the first vibrating screen plate 3 and the second vibrating screen plate 4 with an inclined design in the screening box 1, so that part of the ore can be automatically discharged from the discharge port 6 during the screening process, and the ore remaining on the first vibrating screen plate 3 and the second vibrating screen plate 4 is pushed out of the discharge port 6 by the automatic pushing mechanism, so that the ore screening device can realize automatic material taking, and the degree of automation is relatively high. A slag collecting mechanism for centralized collection of slag in the ore raw materials is provided under the second vibrating screen plate 4. The right side of the top of the screening box 1 is provided with a screw A dust suction fan 7 is fixed to the bolt, the input end of the dust suction fan 7 passes through the inside of the screening box 1 and is fixed with a dust suction hood 8, a dust suction pipe 9 is fixed to the output end of the dust suction fan 7, and the end of the dust suction pipe 9 away from the dust suction fan 7 is connected to a dust removal box 10, the top of the dust removal box 10 has a vent, and the dust removal box 10 is fixed to the top of the screening box 1. The dust generated during the vibration screening of the ore is sucked into the dust removal box 10 through the dust suction pipe 9 by the dust suction fan 7, and the dust removal box 10 is used to purify the sucked dust, so that the dust generated during the ore screening process can be effectively sucked and purified.

[0020] Tap water is stored inside the dust removal box 10, and one end of the dust suction pipe 9 away from the dust suction fan 7 extends to the tap water inside the dust removal box 10. When the air containing dust is injected into the tap water in the dust removal box 10 from the dust suction pipe 9, the tap water is used to adsorb and purify the dust in the air. An inlet pipe is fixed to the upper part of the dust removal box 10 away from the dust suction fan 7 for injecting tap water, and a drain pipe is fixed to the lower part of the dust removal box 10 away from the dust suction fan 7 for discharging the tap water.

[0021] Each set of automatic pushing mechanism includes two screw rods 12 and a threaded plate 13. The two screw rods 12 are rotatably connected to the front and rear sides of the screening box 1 through bearings. The front and rear sets of screw rods 12 are driven to rotate by the servo motor 11 outside the screening box 1. The threaded plate 13 is threadedly sleeved on the front and rear sets of screw rods 12. A scraper plate 14 made of rubber is fixed to the bottom end of the threaded plate 13. The rubber material can avoid obstruction to the vibration of the first vibrating screen plate 3 and the second vibrating screen plate 4. The bottom ends of the two sets of scraper plates 14 are in contact with the first vibrating screen plate 3 and the second vibrating screen plate 4 respectively. The screw rod 12 is driven to rotate by the servo motor 11, so that the threaded plate 13 threadedly sleeved on the screw rod 12 drives the scraper plate 14 to push the residual ore raw materials on the first vibrating screen plate 3 and the second vibrating screen plate 4 to move.

[0022] The outer walls on the left and right sides of the screening box 1 are fixed with a transmission box 15 close to the servo motor 11 by bolts. One end of the front and rear two lead screws 12 close to the servo motor 11 passes through the transmission box 15 through a bearing and is fixed with a sprocket 16. The output end shaft of the servo motor 11 passes through the bearing to the inside of the transmission box 15 and is fixedly connected to the sprocket 16 located on the rear side. Chains are commonly sleeved on the two sets of sprockets 16 and are connected through chain transmission. The rear sprocket 16 is driven to rotate by the servo motor 11, and the rear sprocket 16 drives the front sprocket 16 to rotate synchronously through the chain, thereby realizing the synchronous rotation of the two engaged lead screws 12.

[0023] The slag collecting mechanism includes a material guide funnel 17 and a slag collecting box 18, wherein the material guide funnel 17 is located below the second vibrating screen plate 4 and fixed on the inner wall of the screening box 1, the slag collecting box 18 is located below the material guide funnel 17 and is slidably connected to the bottom end of the screening box 1, pulleys are symmetrically fixed to the bottom end of the slag collecting box 18, and chute grooves adapted to the pulleys are symmetrically provided at the bottom end of the screening box 1, so that the slag collecting box 18 can be easily slid and taken out of the screening box 1, and the slag dropped from the second vibrating screen plate 4 gathers along the material guide funnel 17 and falls into the slag collecting box 18.

[0024] The left and right outer walls of the screening box 1 are fixed with support plates 19 by bolts, and an ore collecting box 20 for collecting the screened ore is slidably connected to the support plate 19. The ore collecting box 20 is adapted to the position of the discharge port 6 to facilitate the collection of the ore. A feed port connected to the discharge port 6 is provided on the side wall of the ore collecting box 20 close to the screening box 1, so that the ore can enter the ore collecting box 20 from the discharge port 6. A T-shaped slider 21 is symmetrically fixed to the bottom end of the support plate 19, and a T-shaped slide groove connected to the T-shaped slider 21 is provided on the top end of the support plate 19. The sliding connection between the ore collecting box 20 and the support plate 19 is realized by the cooperation of the T-shaped slider 21 and the T-shaped slide groove, so that the ore collecting box 20 can be taken and placed conveniently. A handle is fixed on the side wall of the ore collecting box 20 away from the screening box 1 to facilitate the pulling of the ore collecting box 20 to move.

[0025] When it is necessary to screen and process the mined and crushed ore in the mining project, the ore raw material is first added into the screening box 1 from the injection port 2, and two sets of vibration motors 5 are started to drive the first vibrating screen plate 3 and the second vibrating screen plate 4 to vibrate. When the ore raw material falls on the first vibrating screen plate 3, under the action of vibration, the large volume of ore is intercepted and discharged from the discharge port 6 on the right side of the screening box 1 along the first vibrating screen plate 3, while the small volume of ore and slag falls on the second vibrating screen plate 4. Under the vibration action of the second vibrating screen plate 4, the small volume of ore is intercepted and discharged from the discharge port 6 on the left side of the screening box 1 along the second vibrating screen plate 4, while the slag passes through the second vibrating screen plate 4 and is collected by the slag collecting mechanism. After the vibration screening is completed, the two sets of automatic pushing mechanisms are used to push the ore remaining on the first vibrating screen plate 3 and the second vibrating screen plate 4 out of the discharge port 6, that is, the entire ore screening work is completed;

[0026] During the ore screening process, the dust suction fan 7 is turned on to suck the dust generated during the ore vibration screening process into the dust removal box 10 through the dust suction pipe 9, and the dust removal box 10 is used to purify the sucked dust to achieve purification and prevent dust leakage.

[0027] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An ore screening device for mining engineering, comprising a screening box (1), characterized in that: The screening box (1) has a material injection port (2) at the top, a first vibration screen plate (3) and a second vibration screen plate (4) which are arranged in sequence from top to bottom and are arranged in an inclined manner are fixed inside the screening box (1), a vibration motor (5) is fixed at the bottom of each of the first vibration screen plate (3) and the second vibration screen plate (4), the mesh aperture on the first vibration screen plate (3) is larger than the mesh aperture on the second vibration screen plate (4), and automatic material pushers are provided above each of the first vibration screen plate (3) and the second vibration screen plate (4). The screening box (1) has a structure, wherein the two side walls thereof are respectively provided with discharge ports (6) adapted to the first vibrating screen plate (3) and the second vibrating screen plate (4), a slag collecting mechanism is provided below the second vibrating screen plate (4), a dust suction fan (7) is fixed on the side of the top of the screening box (1) away from the injection port (2), the input end of the dust suction fan (7) passes through the interior of the screening box (1) and is fixed with a dust suction hood (8), and the output end of the dust suction fan (7) is connected to a dust removal box (10) via a dust suction pipe (9).

2. The ore screening device for mining engineering according to claim 1, characterized in that: The dust removal box (10) stores tap water inside, and one end of the dust suction pipe (9) away from the dust suction fan (7) extends into the tap water inside the dust removal box (10). An inlet pipe and a drain pipe are respectively fixed to the upper and lower parts of the side of the dust removal box (10) away from the dust suction fan (7).

3. The ore screening device for mining engineering according to claim 1, characterized in that: The automatic material pushing mechanism comprises a screw rod (12) rotatably connected to the front and rear sides of the screening box (1) and driven to rotate by a servo motor (11), and a threaded plate (13) threadedly sleeved on two groups of the screw rod (12), a scraper plate (14) being fixed to the bottom end of the threaded plate (13), and the bottom ends of the two groups of scraper plates (14) are in contact with the first vibrating screen plate (3) and the second vibrating screen plate (4) respectively.

4. The ore screening device for mining engineering according to claim 3, characterized in that: Transmission boxes (15) are fixed to the outer walls of both sides of the screening box (1); one end of the front and rear groups of the lead screws (12) close to the servo motor (11) passes through the transmission box (15) through a bearing and is fixed with a sprocket (16); the output end of the servo motor (11) passes through the inside of the transmission box (15) through a bearing and is fixedly connected to one of the groups of the sprockets (16); and a chain is commonly sleeved on the two groups of the sprockets (16).

5. The ore screening device for mining engineering according to claim 1, characterized in that: The slag collection mechanism comprises a material guide funnel (17) fixed below the second vibrating screen plate (4) and a slag collection box (18) located below the material guide funnel (17); the slag collection box (18) is slidably connected to the bottom end of the screening box (1).

6. The ore screening device for mining engineering according to claim 1, characterized in that: Support plates (19) are fixed to the outer walls on both sides of the screening box (1), and an ore collection box (20) adapted to the position of the discharge port (6) is slidably connected to the support plate (19); a feed port connected to the discharge port (6) is provided on a side wall of the ore collection box (20) close to the screening box (1).

7. The ore screening device for mining engineering according to claim 6, characterized in that: A T-shaped sliding block (21) is symmetrically fixed to the bottom end of the support plate (19), a T-shaped sliding groove for connecting with the T-shaped sliding block (21) is provided at the top end of the support plate (19), and a handle is fixed to the side wall of the ore collecting box (20) away from the screening box (1).

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