Ore mining solid waste screening and classifying device

Abstract

The utility model discloses an ore mining solid waste screening and classifying device which comprises a screening box, a feeding port is formed in the top of the screening box, a partition plate is fixedly connected to the bottom of the inner wall of the screening box, a box door is installed on one side of the outer wall of the screening box, a screen is installed on one side of the outer wall of the partition plate, and a conveying belt is arranged above the screen. The utility model relates to the technical field of ore mining solid waste screening, solid waste can fall on one side of a partition plate, ore adsorbed on a conveying belt can fall on a screen under the action of a cleaning brush, the surface of a magnet and the surface of the conveying belt can be cleaned, reduction of magnetic force is avoided, the magnet can be replaced, and the cost is reduced. The problems that in the prior art, when a magnet is not replaced for a long time, the magnetic force is reduced, ore dust is further caused to adhere to a conveying belt, and therefore the magnetic force is reduced, and the working efficiency is reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of mining solid waste screening, in particular to a mining solid waste screening and classification device. Background Art

[0002] In mining production, ore can be classified by size through screening equipment, which is convenient for subsequent mineral processing and beneficiation. In the mining process, a large amount of waste will be generated, and different iron ores have different appearances, that is, the iron content in them is different. For example, the mining solid waste screening and classification device with application number "201910096644.8" is mainly composed of a transmission component, a vibration component and a conveyor belt. In actual use, the first belt roller and the second belt roller can be rotatably arranged on the vibration component, and the vibration component is used The conveyor belt is driven to vibrate. The conveyor belt includes an upper belt body and a lower belt body. The magnetic system is arranged below the upper belt body. The magnetic system is used to form a magnetic field passing through the upper belt body. The upper belt body is inclined relative to the horizontal plane. The moving direction of the conveyor belt is from the lower end to the higher end of the upper belt body. The above-mentioned magnetic separator can realize the separation of magnetic minerals and non-magnetic minerals. The vibration of the conveyor belt can make the minerals fully loose and reduce the inclusion of minerals. Under the combined action of vibration, magnetism and gravity, the separation effect is better and the magnetic separation efficiency is higher.

[0003] When the prior art is used, after the mined ore enters the screening box, the screen is driven by a vibration motor to screen the ore, thereby making it more convenient for subsequent use.

[0004] However, in actual use, since the magnet is installed inside the conveyor belt, it adsorbs the ore on the conveyor belt. However, after long-term use, the magnetism of the magnet will decrease, and some ore dust will accumulate on the conveyor belt, thereby reducing the magnetism and reducing work efficiency. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a mining solid waste screening and classification device, which solves the problem that in actual use, due to the magnet installed inside the conveyor belt, the ore is adsorbed on the conveyor belt, but after long-term use, the magnetism of the magnet will decrease, and some ore dust will accumulate on the conveyor belt, thereby reducing the magnetism and further reducing the work efficiency.

[0006] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a mining solid waste screening and classification device comprises a screening box, a feeding port is opened at the top of the screening box, a partition is fixedly connected to the bottom of the inner wall of the screening box, a box door is installed on one side of the outer wall of the screening box, a screen is installed on one side of the outer wall of the partition, a conveyor belt is arranged above the screen, a waste box is arranged below the screen, the outer wall of the waste box is plugged into the inner wall of the screening box, the outer wall of the conveyor belt is installed with a screening structure, the screening structure comprises a magnet, a mounting block and a cleaning brush, the outer wall of the magnet is fixedly connected to the outer wall of the conveyor belt, the outer wall of the magnet is provided with a cleaning brush, the outer wall of the cleaning brush is fixedly connected to the mounting block, and the outer wall of the mounting block is fixedly connected to the outer wall of the screening box.

[0007] Preferably, the outer wall of the screening box is fixedly connected to a first servo motor, an output end of the first servo motor extends to one end inside the screening box and is fixedly connected to a transmission wheel, the outer wall of the transmission wheel is rotatably connected to a fixing frame, the outer wall of the fixing frame is fixedly connected to the inner wall of the screening box, and the outer wall of the transmission wheel is pressed against the inner wall of the conveyor belt.

[0008] Preferably, the outer wall of the screen is fixedly connected to a mounting frame, the outer wall of the mounting frame is slidably engaged with the inner wall of the mounting box, the inner wall of the mounting box is fixedly connected to a limiting column, and the outer wall of the limiting column is slidably engaged with the inner wall of the mounting frame.

[0009] Preferably, the inner wall of the installation box is fixedly connected with a spring, the other end of the spring is pressed against a fixing plate, the outer wall of the fixing plate is fixedly connected to the outer wall of the installation frame, the outer wall of the fixing plate is pressed against a cam, the outer wall of the cam is fixedly connected with a rotating rod, the outer wall of the rotating rod is rotatably connected to the inner wall of the installation box through a bearing, one end of the rotating rod extending to the outer wall of the installation box is fixedly connected to a second servo motor, and the outer wall of the second servo motor is fixedly connected to the bottom of the installation box.

[0010] Preferably, a limiting block is fixedly connected to the bottom of the installation frame, a mounting column is inserted into the inner wall of the limiting block, and an outer wall of the mounting column is fixedly connected to the inner wall of the screening box. Beneficial Effects

[0011] The utility model provides a screening and classification device for mining solid waste. It has the following beneficial effects: the screening and classification device for mining solid waste cooperates with a magnet, a conveyor belt and a cleaning brush. After the ore enters the screening box, it will fall on the conveyor belt, and the ore will be sucked by the magnet, and the solid waste will fall on one side of the partition, and the ore adsorbed on the conveyor belt will fall on the screen under the action of the cleaning brush, and the surface of the magnet and the conveyor belt can be cleaned to avoid the reduction of magnetic force, and the magnet can be replaced, which solves the problem of the prior art that when the magnet is used, the magnetic force will be reduced if it is not replaced for a long time, and the ore dust will adhere to the conveyor belt, thereby reducing the magnetic force and reducing the work efficiency.

[0012] Through the cooperation of the first servo motor, the cam and the spring, the first servo motor is used to drive the rotating rod to rotate, so that the cam squeezes the fixed plate, thereby squeezing the spring, and when the narrow surface of the cam contacts the fixed plate, the fixed plate will restore the installation frame to its original position under the action of the spring, so that the cam cooperates with the spring when rotating to vibrate and screen the ore. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the appearance of the utility model;

[0015] Figure 3 for Figure 1 A top view of

[0016] Figure 4 for Figure 1 A schematic diagram of the structure of the middle mounting frame, mounting box and spring;

[0017] Figure 5 for Figure 1 Schematic diagram of the structure of the screening box, screen and installation frame;

[0018] Figure 6 for Figure 1 Schematic diagram of the structure of the conveyor belt, fixed frame and mounting block.

[0019] In the figure: 1, screening box, 2, feed port, 3, conveyor belt, 4, fixed frame, 5, partition, 6, box door, 7, mounting block, 8, mounting frame, 9, screen, 10, mounting box, 11, waste box, 12, spring, 13, first servo motor, 14, second servo motor, 15, rotating rod, 16, cam, 17, limit column, 18, fixed plate, 19, limit block, 20, mounting column, 21, cleaning brush, 22, magnet, 23, transmission wheel. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] However, in actual use, since the magnet is installed inside the conveyor belt, it adsorbs the ore on the conveyor belt. However, after long-term use, the magnetism of the magnet will decrease, and some ore dust will accumulate on the conveyor belt, thereby reducing the magnetism and reducing work efficiency.

[0022] In view of this, the utility model provides a mining solid waste screening and classification device, which solves the problem that in actual use, since the magnet is installed inside the conveyor belt, it adsorbs the ore on the conveyor belt, but after long-term use, the magnetism of the magnet will decrease, and some ore dust will accumulate on the conveyor belt, thereby reducing the magnetism and thus reducing the work efficiency.

[0023] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in the art. The following mainly introduces the working principle and process.

[0024] Embodiment 1: By Figure 1-6 It can be known that the mining solid waste screening and classification device comprises a screening box 1, a feeding port 2 is provided on the top of the screening box 1, a partition 5 is fixedly connected to the bottom of the inner wall of the screening box 1, a box door 6 is installed on one side of the outer wall of the screening box 1, a screen 9 is installed on one side of the outer wall of the partition 5, a conveyor belt 3 is arranged above the screen 9, a waste box 11 is arranged below the screen 9, the outer wall of the waste box 11 is plugged into the inner wall of the screening box 1, and a screening structure is installed on the outer wall of the conveyor belt 3. The screening structure comprises a magnet 22, a mounting block 7 and a cleaning brush 21, the outer wall of the magnet 22 is fixedly connected to the outer wall of the conveyor belt 3, the outer wall of the magnet 22 is provided with a cleaning brush 21, and the ore is adsorbed on the conveyor belt 3 by the magnet 22, the outer wall of the cleaning brush 21 is fixedly connected to the mounting block 7, and the outer wall of the mounting block 7 is fixedly connected to the outer wall of the screening box 1;

[0025] In the specific implementation process, it is worth pointing out that, with the cooperation of the magnet 22, the conveyor belt 3 and the cleaning brush 21, after the ore enters the screening box 1, it will fall on the conveyor belt 3, and the ore will be sucked by the magnet 22, and the solid waste will fall on one side of the partition 5, and the ore adsorbed on the conveyor belt 3 will fall on the screen 9 under the action of the cleaning brush 21, and the surface of the magnet 22 and the conveyor belt 3 can be cleaned to avoid the reduction of magnetic force, and the magnet 22 can also be replaced;

[0026] Further, the outer wall of the screening box 1 is fixedly connected to the first servo motor 13, the output end of the first servo motor 13 extends to one end inside the screening box 1 and is fixedly connected to the transmission wheel 23, the outer wall of the transmission wheel 23 is rotatably connected to the fixing frame 4, the outer wall of the fixing frame 4 is fixedly connected to the inner wall of the screening box 1, and the outer wall of the transmission wheel 23 is pressed against the inner wall of the conveyor belt 3, wherein the model of the first servo motor 13 is not limited;

[0027] In the specific implementation process, it is worth pointing out that, under the cooperation of the first servo motor 13, the transmission wheel 23 and the fixed frame 4, the first servo motor 13 is used to drive the transmission wheel 23 to rotate, and the conveyor belt 3 is driven to rotate to screen the ore;

[0028] Furthermore, the outer wall of the screen 9 is fixedly connected to the installation frame 8, the outer wall of the installation frame 8 is slidably connected to the inner wall of the installation box 10, the inner wall of the installation box 10 is fixedly connected to the limiting column 17, and the outer wall of the limiting column 17 is slidably connected to the inner wall of the installation frame 8;

[0029] In the specific implementation process, it is worth pointing out that, with the cooperation of the mounting frame 8, the mounting box 10 and the limiting column 17, the ore on the conveyor belt 3 will fall onto the screen 9 under the action of the cleaning brush 21, and when the mounting frame 8 is moving, the limiting column 17 can make the screen 9 more stable when moving;

[0030] Specifically, when using the mining solid waste screening and classification device, after the ore enters the screening box 1 through the feed port 2, it will fall onto the conveyor belt 3, and the magnet 22 will be used to adsorb the ore on the conveyor belt 3, and during transportation, the solid waste on the conveyor belt 3 will fall on one side of the partition 5, and the ore adsorbed on the conveyor belt 3 will fall on the screen 9 under the action of the cleaning brush 21, thereby screening the ore, and when the screen 9 screens the ore, it will move on the outer wall of the limit column 17, making it more stable when moving.

[0031] Embodiment 2: By Figure 1-6It can be seen that the inner wall of the installation box 10 is fixedly connected with a spring 12, the other end of the spring 12 is pressed against a fixing plate 18, the outer wall of the fixing plate 18 is fixedly connected to the outer wall of the installation frame 8, the outer wall of the fixing plate 18 is pressed against a cam 16, the outer wall of the cam 16 is fixedly connected with a rotating rod 15, the outer wall of the rotating rod 15 is rotatably connected to the inner wall of the installation box 10 through a bearing, and the end of the rotating rod 15 extending to the outer wall of the installation box 10 is fixedly connected with a second servo motor 14, the outer wall of the second servo motor 14 is fixedly connected to the bottom of the installation box 10, wherein the model of the second servo motor 14 is not limited;

[0032] In the specific implementation process, it is worth pointing out that, under the cooperation of the second servo motor 14, the rotating rod 15 and the installation box 10, the second servo motor 14 is used to drive the rotating rod 15 to rotate, and the cam 16 is driven to squeeze the fixed plate 18, so that it squeezes the spring 12, and under the action of the spring 12, the screen 9 is vibrated to screen the ore;

[0033] Furthermore, the bottom of the mounting frame 8 is fixedly connected to a limit block 19, the inner wall of the limit block 19 is plugged with a mounting column 20, and the outer wall of the mounting column 20 is fixedly connected to the inner wall of the screening box 1;

[0034] In the specific implementation process, it is worth pointing out that, with the cooperation of the limit block 19, the mounting column 20 and the mounting frame 8, when the mounting frame 8 moves, the mounting column 20 will move inside the limit block 19, making it more stable when vibrating;

[0035] Specifically, based on the above embodiment, after the ore falls on the screen 9 on the conveyor belt 3, the screen 9 is vibrated under the drive of the second servo motor 14, and when the mounting frame 8 moves, the limit block 19 can ensure that it is more stable during vibration.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0037] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0038] Although 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 appended claims and their equivalents.

Claims

1. A mining solid waste screening and classification device, comprising a screening box (1), characterized in that: The screening box (1) has a feed inlet (2) at the top, a partition (5) is fixedly connected to the bottom of the inner wall of the screening box (1), a box door (6) is installed on one side of the outer wall of the screening box (1), a screen (9) is installed on one side of the outer wall of the partition (5), a conveyor belt (3) is arranged above the screen (9), a waste box (11) is arranged below the screen (9), the outer wall of the waste box (11) is plugged into the inner wall of the screening box (1), and a screening structure is installed on the outer wall of the conveyor belt (3); The screening structure comprises a magnet (22), a mounting block (7) and a cleaning brush (21); The outer wall of the magnet (22) is fixedly connected to the outer wall of the conveyor belt (3), the outer wall of the magnet (22) is provided with a cleaning brush (21), the outer wall of the cleaning brush (21) is fixedly connected to a mounting block (7), and the outer wall of the mounting block (7) is fixedly connected to the outer wall of the screening box (1).

2. The mining solid waste screening and classification device according to claim 1 is characterized in that: The outer wall of the screening box (1) is fixedly connected to a first servo motor (13); an output end of the first servo motor (13) extending into one end of the screening box (1) is fixedly connected to a transmission wheel (23); the outer wall of the transmission wheel (23) is rotatably connected to a fixing frame (4); the outer wall of the fixing frame (4) is fixedly connected to the inner wall of the screening box (1); and the outer wall of the transmission wheel (23) is pressed against the inner wall of the conveyor belt (3).

3. The mining solid waste screening and classification device according to claim 1 is characterized in that: The outer wall of the screen (9) is fixedly connected to the installation frame (8), the outer wall of the installation frame (8) is slidably engaged with the inner wall of the installation box (10), the inner wall of the installation box (10) is fixedly connected to the limiting column (17), and the outer wall of the limiting column (17) is slidably engaged with the inner wall of the installation frame (8).

4. The mining solid waste screening and classification device according to claim 3 is characterized in that: The inner wall of the installation box (10) is fixedly connected to a spring (12), the other end of the spring (12) is pressed against a fixing plate (18), the outer wall of the fixing plate (18) is fixedly connected to the outer wall of the installation frame (8), the outer wall of the fixing plate (18) is pressed against a cam (16), the outer wall of the cam (16) is fixedly connected to a rotating rod (15), the outer wall of the rotating rod (15) is rotatably connected to the inner wall of the installation box (10) via a bearing, one end of the rotating rod (15) extending to the outer wall of the installation box (10) is fixedly connected to a second servo motor (14), and the outer wall of the second servo motor (14) is fixedly connected to the bottom of the installation box (10).

5. The mining solid waste screening and classification device according to claim 3 is characterized in that: The bottom of the installation frame (8) is fixedly connected to a limit block (19), the inner wall of the limit block (19) is plugged with a mounting column (20), and the outer wall of the mounting column (20) is fixedly connected to the inner wall of the screening box (1).

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