Coal mine dry separation device

Abstract

The utility model relates to the technical field of ore processing, and particularly discloses a coal mine dry separation device which comprises a bottom plate and an obliquely-arranged screening box, the bottom of the screening box is connected with a vibration motor, a spring supporting piece used for supporting the screening box is installed on the top of the bottom plate, a screening plate is arranged in the screening box, and the two sides of the screening plate are connected with guide strips. Guide grooves in sliding fit with the guide strips are formed in the inner wall of the screening box; a feeding hopper is connected to the top of the screening box, a discharging hopper is arranged at the discharging end of the bottom of the screening box, and a butt-joint plate used for limiting the guide strips is connected to one side of the discharging hopper and connected with the screening box through a mounting piece. Ores can be screened, loosening of the ores is achieved in mechanical vibration, the ores are firstly subjected to particle grading, dust is reduced, then the ores are conveniently conveyed to airflow separation equipment at the next machining position for fine separation, and dry separation of the ores is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of ore processing, in particular to a coal mine dry separation device. Background Art

[0002] Dry separation is a process for extracting target minerals from ores, which usually includes crushing, screening and selection. The ore needs to be crushed to remove impurities and reach a certain particle size to facilitate subsequent screening and selection. The crushed ore will be graded and classified by screening equipment. The screening equipment screens according to the size of the ore particles and separates ores of different particle sizes for subsequent processing.

[0003] The vibrating screening device for dry ore selection and processing disclosed in the existing patent announcement number CN220346488U includes a bracket, on which a vibrating screen box is installed, and a screen plate is installed inside the screen box; it also includes a buffer structure, which extends to the top of the screen plate, and the interior of the buffer structure is filled with ore to form an inclined ore material lining; when the belt conveyor transports the ore to the screen plate, the ore first falls into the buffer structure and forms an ore material lining in the buffer structure, and the ore that continues to fall falls on the ore material lining, and then slides along the ore material lining onto the screen plate, and the screen plate performs screening work.

[0004] The above device can screen the ore when in use, but the continuity of the screening needs to be improved, and the ore contains dust, and the dust raised during the screening affects the working environment, which needs to be improved. In view of the above problems, a coal mine dry sorting device is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a coal mine dry separation device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A coal mine dry separation device comprises a bottom plate and a tilted screening box, the bottom of the screening box is connected to a vibration motor, and the top of the bottom plate is equipped with a spring support for supporting the screening box.

[0008] A sieve plate is provided in the screening box, guide strips are connected to the two sides of the sieve plate, and a guide groove is provided on the inner wall of the screening box to slide with the guide strip;

[0009] The top of the screening box is connected to a feed hopper, and the bottom of the screening box is provided with a discharge hopper. One side of the discharge hopper is connected to a docking plate for limiting the guide bar, and the docking plate is connected to the screening box through a mounting member.

[0010] A protective cover connected to the top opening of the screening box is provided on one side of the feed hopper, a dust suction pipe is connected to the protective cover, and an air supply member for supplying air into the screening box is installed on the top of the bottom plate.

[0011] In an optional solution: a first discharge cavity is provided at the top of the discharge hopper for discharging material from the top of the sieve plate, a second discharge cavity is provided in the inner cavity of the discharge hopper for discharging material from the bottom of the sieve plate, and a discharge pipe connected to the second discharge cavity is provided at the bottom of the discharge hopper.

[0012] In an optional solution: the mounting member includes a plurality of mounting bolts threadedly connected to the docking plate, and the screening box is provided with mounting screw holes corresponding to the mounting bolts.

[0013] In an optional solution: the air supply component includes an air supply box and an air supply pipe connected to the air supply box, an air supply device is installed on the top of the base plate, the air outlet end of the air supply device is connected to the air supply pipe, the air supply box is installed on one side of the screening box, and the screening box is provided with a ventilation hole connected to the air supply box, and a mesh plate is installed on one side of the ventilation hole close to the inner cavity of the screening box.

[0014] In an optional solution, the protective cover is connected to the screening box via positioning bolts.

[0015] In an optional solution: the spring support member includes a mounting plate and a support column, the mounting plate is connected to one side of the screening box, the support column is connected to the top of the bottom plate, and a spring is connected between the mounting plate and the support column.

[0016] In an optional solution: a dust suction port communicating with the inner cavity of the screening box is provided at the bottom of the dust suction pipe, and a filter is installed at the dust suction port.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model can screen the ore, loosen the ore during mechanical vibration, first classify the ore particles, and reduce dust, and then conveniently transport it to the air flow sorting equipment at the next processing site for selection, which is beneficial to the dry selection of the ore;

[0019] The setting of the protective cover in the utility model can reduce the impact of dust dispersion on the environment. The coordinated setting of the air supply member, the protective cover and the dust suction pipe can promote the discharge of dust in the ore, reduce the dust in the ore, and reduce the interference with the subsequent further selection.

[0020] The sieve plate in the utility model is convenient to be disassembled and replaced; during the process of installing and fixing the discharge hopper, the sieve plate can be limited and fixed, and the installation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the utility model.

[0022] Figure 2 It is a structural schematic diagram of the discharge hopper in the utility model.

[0023] Figure 3 It is a schematic diagram of the partial split structure of the utility model.

[0024] In the figure: 11, bottom plate; 12, screening box; 13, mounting plate; 14, spring; 15, support column; 16, feed hopper; 17, protective cover; 18, dust suction pipe; 19, discharge hopper; 20, mounting bolts; 21, docking plate; 22, first discharge cavity; 23, second discharge cavity; 24, discharge pipe; 25, sieve plate; 26, guide strip; 27, guide groove; 28, air supply box; 29, mesh plate; 30, air supply pipe; 31, air supply equipment. DETAILED DESCRIPTION

[0025] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral 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. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] 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.

[0027] See also Figure 1-Figure 3 In this embodiment, a coal mine dry sorting device includes a bottom plate 11 and an inclined screening box 12, the bottom of the screening box 12 is connected to a vibration motor, and a spring support for supporting the screening box 12 is installed on the top of the bottom plate 11; when the vibration motor is working, the screening box 12 can perform mechanical vibration, and the ore can be loosened during the mechanical vibration, and the ore can be firstly graded and dust can be reduced, and then it can be conveniently transported to the airflow sorting equipment at the next processing place for selection, which is conducive to the dry sorting of the ore;

[0028] The screening box 12 is provided with a sieve plate 25, and guide bars 26 are connected to both sides of the sieve plate 25. The inner wall of the screening box 12 is provided with a guide groove 27 that is slidably matched with the guide bar 26; when the sieve plate 25 is installed, the guide bar 26 can be docked into the guide groove 27, so that the sieve plate 25 can be stably installed;

[0029] The top of the screening box 12 is connected to a feed hopper 16, and a discharge hopper 19 is provided at the discharge end of the bottom of the screening box 12. A docking plate 21 for limiting the guide bar 26 is connected to one side of the discharge hopper 19, and the docking plate 21 is connected to the screening box 12 through a mounting member; the feed hopper 16 can be used for feeding ore;

[0030] A protective cover 17 connected to the top opening of the screening box 12 is provided on one side of the feed hopper 16, a dust suction pipe 18 is connected to the protective cover 17, and an air supply member for supplying air into the screening box 12 is installed on the top of the bottom plate 11;

[0031] The air supply of the air supply member can blow the dust in the ore, and at the same time cooperate with the mechanical vibration to loosen the ore. The dust suction pipe 18 is connected to the dust suction equipment to carry out dust suction treatment in the ore;

[0032] In this embodiment, the feed hopper 16 can be used for feeding ore, the vibration motor is working, the screening box 12 can perform mechanical vibration, and the ore can be loosened during the mechanical vibration. The ore is first classified into particles and then output from the discharge hopper 19. The air supply part can blow away the dust in the ore. At the same time, with the mechanical vibration, the ore is loosened. The dust suction pipe 18 is connected to the dust suction equipment to perform dust suction treatment in the ore, reduce the dust in the ore, and reduce the interference with the subsequent further selection.

[0033] In another embodiment, the top of the discharging hopper 19 is provided with a first discharging cavity 22 for discharging materials from the top of the sieve plate 25, the inner cavity of the discharging hopper 19 is provided with a second discharging cavity 23 for discharging materials from the bottom of the sieve plate 25, and the bottom of the discharging hopper 19 is provided with a discharging pipe 24 connected to the second discharging cavity 23; the first discharging cavity 22 and the second discharging cavity 23 are used to discharge ores with different particle size ranges.

[0034] In another embodiment, the mounting member includes a plurality of mounting bolts 20 threadedly connected to a docking plate 21, and the screening box 12 is provided with mounting screw holes corresponding to the mounting bolts 20; the mounting bolts 20 can be used to fix the docking plate 21 to the screening box 12, thereby achieving the installation and fixation of the discharge hopper 19 and limiting the sliding removal of the guide bar 26.

[0035] In another embodiment, the air supply component includes an air supply box 28 and an air supply pipe 30 connected to the air supply box 28, an air supply device 31 is installed on the top of the base plate 11, and the air outlet end of the air supply device 31 is connected to the air supply pipe 30, the air supply box 28 is installed on one side of the screening box 12, and the screening box 12 is provided with a ventilation hole connected to the air supply box 28, and a mesh plate 29 is installed on the side of the ventilation hole close to the inner cavity of the screening box 12; the air supply device 31 can be an existing fan, which can supply air into the screening box 12 after operation, and the delivered air can enter the air supply box 28 from the air supply pipe 30, and then enter the ventilation hole and be discharged from the mesh plate 29.

[0036] In another embodiment, the protective cover 17 is connected to the screening box 12 via positioning bolts, so as to facilitate subsequent disassembly and assembly.

[0037] In another embodiment, the spring support member includes a mounting plate 13 and a support column 15, the mounting plate 13 is connected to one side of the screening box 12, the support column 15 is connected to the top of the base plate 11, and a spring 14 is connected between the mounting plate 13 and the support column 15; when the screening box 12 vibrates, the spring can effectively disperse the pressure, ensure the stable operation of the screening box 12, and facilitate the screening work of the screening box 12.

[0038] In another embodiment, a dust suction port communicating with the inner cavity of the screening box 12 is provided at the bottom of the dust suction pipe 18, and a filter is installed at the dust suction port; the dust suction pipe 18 can be connected to an existing dust suction device.

[0039] When the utility model is used, the feed hopper 16 can be used to feed ore, the vibration motor works, the screening box 12 can perform mechanical vibration, the ore can be loosened during the mechanical vibration, the ore is firstly graded and then output from the discharge hopper 19, the air supply part can blow the dust in the ore, and at the same time, with the mechanical vibration, the ore is loosened, the dust suction pipe 18 is connected to the dust suction equipment, and the dust in the ore can be removed to reduce the dust in the ore and reduce the interference with the subsequent further selection.

[0040] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A coal mine dry sorting device, comprising a bottom plate (11) and a screening box (12) arranged obliquely, wherein a vibration motor is connected to the bottom of the screening box (12), and a spring support for supporting the screening box (12) is installed on the top of the bottom plate (11); Features: The screening box (12) is provided with a screen plate (25), the two sides of the screen plate (25) are connected to guide strips (26), and the inner wall of the screening box (12) is provided with a guide groove (27) that is slidably matched with the guide strip (26); The top of the screening box (12) is connected to a feed hopper (16), and a discharge hopper (19) is provided at the discharge end of the bottom of the screening box (12). A docking plate (21) for limiting the position of the guide bar (26) is connected to one side of the discharge hopper (19), and the docking plate (21) is connected to the screening box (12) via a mounting member; A protective cover (17) connected to the top opening of the screening box (12) is provided on one side of the feed hopper (16); a dust suction pipe (18) is connected to the protective cover (17); and an air supply member for supplying air into the screening box (12) is installed on the top of the bottom plate (11).

2. A coal mine dry separation device according to claim 1, characterized in that: The top of the discharge hopper (19) is provided with a first discharge cavity (22) for discharging material from the top of the sieve plate (25), the inner cavity of the discharge hopper (19) is provided with a second discharge cavity (23) for discharging material from the bottom of the sieve plate (25), and the bottom of the discharge hopper (19) is provided with a discharge pipe (24) connected to the second discharge cavity (23).

3. A coal mine dry separation device according to claim 1, characterized in that: The mounting member comprises a plurality of mounting bolts (20) threadedly connected to a docking plate (21), and the screening box (12) is provided with mounting screw holes corresponding to the mounting bolts (20).

4. A coal mine dry separation device according to claim 1, characterized in that: The air supply component comprises an air supply box (28) and an air supply pipe (30) connected to the air supply box (28); an air supply device (31) is installed on the top of the base plate (11); an air outlet end of the air supply device (31) is connected to the air supply pipe (30); the air supply box (28) is installed on one side of the screening box (12); a ventilation hole connected to the air supply box (28) is provided on the screening box (12); a mesh plate (29) is installed on one side of the ventilation hole close to the inner cavity of the screening box (12).

5. A coal mine dry separation device according to claim 1, characterized in that: The protective cover (17) is connected to the screening box (12) via positioning bolts.

6. A coal mine dry separation device according to claim 1, characterized in that: The spring support comprises a mounting plate (13) and a support column (15), wherein the mounting plate (13) is connected to one side of the screening box (12), the support column (15) is connected to the top of the bottom plate (11), and a spring (14) is connected between the mounting plate (13) and the support column (15).

7. A coal mine dry separation device according to claim 1, characterized in that: The bottom of the dust suction pipe (18) is provided with a dust suction port which is in communication with the inner cavity of the screening box (12), and a filter screen is installed at the dust suction port.

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