CN223324964U - Vibrating screen for mine - Google Patents

Abstract

The utility model relates to a vibrating screen for mines, which belongs to the technical field of vibrating screen equipment and comprises a screening component, wherein the screening component comprises a screening cylinder, two vibrating screens which are obliquely arranged are arranged in the screening cylinder, the lower end of the screening cylinder is communicated with a plurality of collecting tanks, the collecting tanks at the left side and the right side are communicated with a conveying pipe between the side walls of the screening cylinder, one end of the vibrating screen, which faces downwards, is inserted into the conveying pipe, the upper end of the collecting tank, which is positioned in the middle, is fixedly connected with two symmetrically arranged guide plates, the guide plates are fixedly connected with the inner side wall of the screening cylinder, the same sealing component used for conveying materials is fixedly connected between the plurality of collecting tanks, one of the side walls of the collecting tanks is fixedly connected with a driving component used for driving the sealing component, and the device can carry out sealing type conveying on the screened materials, so that external air can only enter from the upper part of the screening cylinder, thereby effectively improving the dust adsorption effect and avoiding dust floating in the air.

Description

Vibrating screen for mine

Technical Field

The utility model relates to the technical field of vibrating screen equipment, in particular to a vibrating screen for mines.

Background

The vibrating screen for mine is an important equipment for screening and classifying ore, coal, sand stone and other materials, and is widely applied to industries of mining, building materials, chemical industry and the like. According to the working principle and the use requirement, the vibrating screen is mainly divided into several types, namely a linear vibrating screen is suitable for materials with larger granularity, the screening efficiency is high, a circular vibrating screen generates circular motion through an eccentric block, the circular vibrating screen is suitable for screening various materials, particularly good in treatment of fine-grained materials, a high-frequency vibrating screen adopts a high-frequency vibrating technology, is suitable for fine-grained materials, the screening precision and efficiency can be improved, a rotary vibrating screen is mainly used for small-grained materials by utilizing a rotary vibrating principle, and an anti-blocking vibrating screen is provided with a special screen structure, can effectively prevent materials from being blocked and is suitable for treating viscous materials. When selecting a proper vibrating screen, factors such as material characteristics, processing capacity, screening precision, working environment and the like need to be comprehensively considered so as to ensure the optimal performance of equipment.

The specification of Chinese patent No. 210497200U discloses a dust-proof device of a mine vibrating screen, which comprises an upper screen, an electrostatic dust-removing net and a lower screen, wherein the lower screen is positioned below the upper screen, the electrostatic dust-removing net is arranged between the upper screen and the lower screen, the periphery of the electrostatic dust-removing net is fixed on the lower screen in a bolt fixing or welding mode, and one end of the electrostatic dust-removing net is connected with an electrostatic generator through a wire. According to the utility model, the double-layer screen is adopted, and the electrostatic dust removing net is arranged between the double-layer screen, so that dust generated by screening can be adsorbed on the electrostatic dust removing net in the process of vibrating and screening ores, the problem that a large amount of dust is generated in the vibrating and screening process of the mining vibrating screen is effectively solved, the dust can be prevented from polluting the working environment on ores, and the harm of the dust to the health of human bodies is reduced.

In the above patent, since dust far from the electrostatic dust collection net cannot be effectively adsorbed, the dust still floats in the air, and thus air quality and mine working environment are affected, therefore, the patent has a certain disadvantage in dust reduction effect, and in order to improve the problem, a novel vibrating screen for mines is proposed.

Disclosure of utility model

The utility model aims to provide a vibrating screen for mines, which aims to solve the problem that in the background art, dust floating in the air affects air quality in the process of screening crushed stones.

The technical scheme of the utility model is as follows:

Including screening subassembly, screening subassembly includes screening section of thick bamboo, screening section of thick bamboo inside is provided with the vibration screen cloth that two slopes set up, screening section of thick bamboo lower extreme intercommunication has a plurality of collection silo, the collection silo of left and right sides all with screening section of thick bamboo lateral wall between the intercommunication have the conveying pipeline, and vibration screen cloth one end down peg graft in the conveying pipeline, the collection silo upper end fixedly connected with at middle part two guide plates that the symmetry set up, and guide plate and screening section of thick bamboo inside wall fixedly connected with are the same seal assembly that is used for the conveying material between a plurality of collection silo, one of them collection silo lateral wall fixedly connected with is used for driving seal assembly's drive assembly, screening section of thick bamboo's lower extreme fixedly connected with is used for discharging the conveying assembly of material dust fall, seal assembly's one end fixedly connected with is used for providing the wind-force subassembly of wind-force.

Further, the sealing assembly comprises two annular blocks, a plurality of partition strips are fixedly connected between the two annular blocks, a dust filtering net is fixedly connected between the plurality of partition strips, two fixed swivel rings are fixedly connected between the plurality of partition strips, the plurality of partition strips are in rotary connection with the side wall of the material collecting groove through the annular blocks and the fixed swivel rings, rotary blocks are all in rotary connection with the inside of the two annular blocks, an air guide block is fixedly connected between the two rotary blocks, two air cavities are cut in the air guide block, a plurality of exhaust holes which are respectively communicated with the two air cavities are cut in the upper side wall and the lower side wall of the air guide block, a driving assembly comprises a fixed frame which is fixedly connected with the side wall of the material collecting groove, a driven gear is fixedly connected to the inner side wall of the fixed frame, a driving gear meshed with the driven gear is fixedly connected to the side wall of the fixed frame, and a limiting rod is fixedly connected between the fixed frame and the rotary block.

Through setting up seal assembly and drive assembly, can drive the separate strip rotation, when playing the conveying effect to the material, can also make screening section of thick bamboo be in negative pressure state.

Further, the material conveying assembly comprises a plurality of baffle plates fixedly connected to the side wall of the material collecting tank, a plurality of conveyor belts are arranged between the baffle plates, the same water pipe is fixedly connected between the baffle plates, a plurality of spray heads which are respectively positioned on one side of the material collecting tank are communicated with the water pipe, the wind power assembly comprises two air pipes fixedly connected to one of the rotating blocks, the two air pipes are respectively communicated with the two air cavities, and a fan is communicated between the two air pipes.

Through setting up defeated material subassembly and wind-force subassembly, can utilize the updraft ventilator of fan to play the adsorption to the dust, prevent that the dust from floating, can also utilize the function of airing exhaust of fan, carry out the blowback to the filtration dust net, prevent that the filtration dust net from blockking up.

Compared with the prior art, the vibrating screen for the mine provided by the utility model has the following improvements and advantages:

According to the utility model, the screened material can be conveyed in a closed mode, so that external air can only enter from the upper part of the screening cylinder, the dust adsorption effect is effectively improved, and dust is prevented from floating in the air.

Secondly, the utility model not only can adsorb dust, but also can dredge the dust filtering net.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a three-dimensional perspective view of the present utility model;

FIG. 2 is a schematic view of the structure of the screen assemblies of the present utility model;

FIG. 3 is a schematic view of the structure of the driving assembly, the material conveying assembly and the wind power assembly in the utility model;

FIG. 4 is a schematic view of the structure of the closure assembly of the present utility model;

fig. 5 is a cross-sectional view of a portion of an air guide block according to the present utility model.

Reference numerals illustrate:

1. The device comprises a screening assembly, a screening cylinder, a 102, a vibrating screen, a 103, a material collecting tank, a 104, a material conveying pipe, a 105 and a material guiding plate;

2. The device comprises a sealing component, a ring block, a 202, a separation strip, a 203, a dust filtering net, a 204, a fixed swivel, a 205, a rotating block, a 206, an air guide block, a 207, an air cavity, a 208 and a row of holes;

3. A drive assembly; 301, a fixed frame, 302, a driven gear, 303, a driving gear, 304, a motor, 305 and a limiting rod;

4. a material conveying component; 401, a baffle plate, 402, a conveyor belt, 403, a water pipe, 404 and a nozzle;

5. A wind power component 501, an air pipe 502 and a fan.

Detailed Description

The following detailed description of the present utility model will provide clear and complete description of the technical solutions of the embodiments of the present utility model, with reference to fig. 1 to 5, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a vibrating screen for mines through improvement, as shown in fig. 1-5, the vibrating screen comprises a screening component 1, the screening component 1 comprises a screening cylinder 101, two vibrating screens 102 which are obliquely arranged are arranged in the screening cylinder 101, the two vibrating screens 102 are fixed through a bracket, the vibrating mode of the two vibrating screens 102 is the prior art, the details are omitted, the lower end of the screening cylinder 101 is communicated with a plurality of material collecting tanks 103, material conveying pipes 104 are communicated between the material collecting tanks 103 on the left side and the right side and the side wall of the screening cylinder 101, one end of the vibrating screen 102 facing downwards is inserted into the material conveying pipes 104, the upper end of the material collecting tank 103 positioned in the middle is fixedly connected with two symmetrically arranged material guiding plates 105, the material guiding plates 105 are fixedly connected with the inner side wall of the screening cylinder 101, the same sealing component 2 for conveying materials is fixedly connected between the material collecting tanks 103, the side wall of one material collecting tank 103 is fixedly connected with a driving component 3 for driving the sealing component 2, the lower end of the screening cylinder 101 is fixedly connected with a material conveying component 4 for discharging dust falling, one end of the sealing component 2 is fixedly connected with a wind power component 5 for providing wind power

In the embodiment, ore is input from the upper part of the screening cylinder 101, and after being screened by the two vibrating screens 102, the ore falls into the two material collecting grooves 103 through the material conveying pipes 104 at the two sides, and the ore screened by the two vibrating screens 102 slides into the middle material collecting groove 103 through the material guiding plate 105, so that multiple screening effects are achieved.

In the embodiment, in order to further carry out closed type conveying of screened ore, the sealing assembly 2 comprises two annular blocks 201, a plurality of dividing strips 202 are fixedly connected between the two annular blocks 201, a dust filtering net 203 is fixedly connected between the plurality of dividing strips 202, two fixed rotating rings 204 are fixedly connected between the plurality of dividing strips 202, the dividing strips 202 are rotatably connected with the side wall of the collecting tank 103 through the annular blocks 201 and the fixed rotating rings 204, rotating blocks 205 are rotatably connected inside the two annular blocks 201, an air guide block 206 is fixedly connected between the two rotating blocks 205, two air cavities 207 are cut inside the air guide block 206, a plurality of discharging holes 208 which are respectively communicated with the two air cavities 207 are cut on the upper side wall and the lower side wall of the air guide block 206, a driving assembly 3 comprises a fixed frame 301 fixedly connected with the side wall of the collecting tank 103, a driven gear 302 is fixedly connected with one annular block 201, a driving gear 303 meshed with the driven gear 302 is rotatably connected with the inner side wall of the fixed frame 301, a motor 304 is fixedly connected with the side wall of the fixed frame 301, and an output end of the motor 205 is fixedly connected with the driving gear 303 and the fixed frame 301 is fixedly connected with a limiting rod 303.

It should be noted that, when the annular block 201 rotates, the fixed frame 301 is fixedly connected to the rotating block 205 through the stop lever 305, so that the rotating block 205 and other related components will not rotate.

In the preferred embodiment, when the motor 304 is started, the motor 304 drives the driven gear 302 to rotate through the driving gear 303, the driven gear 302 drives the annular block 201 to rotate, so that the annular block 201 drives the plurality of dividing strips 202 to rotate, when ore falls down, the ore falls down between the two dividing strips 202, after the dividing strips 202 rotate to the lower side, the ore falls down along with gravity, suction force is generated on the upper air cavity 207 through the wind power assembly 5, so that air enters the lower air cavity 207 from the upper part of the screening cylinder 101 and passes through the plurality of exhaust holes 208, and then is discharged from the plurality of exhaust holes 208 on the lower side, dust is filtered and accumulated on the surface of the dust filtering net 203, and when the air is discharged from the exhaust holes 208, the dust on the surface of the dust filtering net 203 can be blown out, and the permeability of the dust filtering net 203 is maintained.

Referring to fig. 4 and 5, in a preferred embodiment, the material conveying assembly 4 includes a plurality of partitions 401 fixedly connected to the side wall of the material collecting tank 103, a plurality of conveyor belts 402 are installed between the partitions 401, a same water pipe 403 is fixedly connected between the partitions 401, the water pipe 403 is connected with a water supply device, a plurality of spray heads 404 respectively located at one side of the material collecting tank 103 are communicated with the water pipe 403, the wind power assembly 5 includes two wind pipes 501 fixedly connected to one of the rotating blocks 205, the two wind pipes 501 are respectively communicated with the two air chambers 207, and a fan 502 is communicated between the two wind pipes 501.

In this embodiment, the sieved crushed stones fall onto the conveyor belt 402 and are finally transported away, and meanwhile, when the dust is blown out from the dust filtering net 203, a large amount of dust is accumulated at the bottom of the conveyor belt 402, and the accumulated and discharged dust is sprayed through the plurality of spray nozzles 404, so that the accumulated and discharged dust can be quickly reduced, the dust is kept at a relatively low height, and the working environment is improved.

When the device is used, firstly, workers throw ores into the device from the upper part of the screening cylinder 101, the ores are screened by the two vibrating screens 102 and then respectively fall into the two material collecting tanks 103 through the material conveying pipes 104 on the two sides, and the ores screened by the two vibrating screens 102 fall into the middle material collecting tanks 103 through the material guiding plates 105;

The motor 304 drives the driven gear 302 to rotate through the driving gear 303, the driven gear 302 drives the annular block 201 to rotate, so that the annular block 201 drives the plurality of dividing strips 202 to rotate, ore screened inside the plurality of collecting tanks 103 falls between the two dividing strips 202, after the dividing strips 202 rotate to the lower side, the ore falls downwards along with gravity, and screened crushed stones fall to the conveyor belt 402 and are finally conveyed away;

Suction is generated to the upper air cavity 207 through the wind power assembly 5, so that air enters the lower air cavity 207 from the upper part of the screening barrel 101 after passing through the plurality of exhaust holes 208 and is discharged from the plurality of exhaust holes 208 on the lower side, dust is filtered and accumulated on the surface of the dust filtering net 203, when the air is discharged from the exhaust holes 208, the dust on the surface of the dust filtering net 203 can be blown out, the permeability of the dust filtering net 203 is kept, and after the dust is blown out, the dust is sprayed through water pipes 403 and water spray heads 404, so that the dust settling effect is achieved.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. The utility model provides a shale shaker that mine was used, includes screening subassembly (1), its characterized in that screening subassembly (1) includes screening section of thick bamboo (101), screening section of thick bamboo (101) inside is provided with vibration screen cloth (102) that two slopes set up, screening section of thick bamboo (101) lower extreme intercommunication has a plurality of collection groove (103), both sides link between collection groove (103) all and screening section of thick bamboo (101) lateral wall has conveying pipeline (104), and vibration screen cloth (102) one end downward peg graft in conveying pipeline (104), be located the middle part collection groove (103) upper end fixedly connected with two guide plates (105) that the symmetry set up, and guide plates (105) and screening section of thick bamboo (101) inside wall fixed connection, a plurality of fixedly connected with is the same seal assembly (2) that are used for the conveying material between collection groove (103), one of them collection groove (103) lateral wall fixed connection has drive assembly (3) that are used for driving seal assembly (2), the lower extreme fixedly connected with of screening section of thick bamboo (101) is used for discharging dust fall material subassembly (4), seal assembly (5) are used for providing wind-force subassembly (5).

2. The vibrating screen for mines according to claim 1, wherein the sealing assembly (2) comprises two annular blocks (201), a plurality of separation strips (202) are fixedly connected between the two annular blocks (201), a dust filtering net (203) is fixedly connected between the plurality of separation strips (202), two fixed swivel rings (204) are fixedly connected between the plurality of separation strips (202), and the plurality of separation strips (202) are rotatably connected with the side wall of the collecting tank (103) through the annular blocks (201) and the fixed swivel rings (204).

3. The vibrating screen for mines according to claim 2, wherein the two annular blocks (201) are rotatably connected with rotating blocks (205), air guide blocks (206) are fixedly connected between the two rotating blocks (205), two air cavities (207) are formed in the air guide blocks (206), and a plurality of exhaust holes (208) which are respectively communicated with the two air cavities (207) are formed in the upper side wall and the lower side wall of the air guide blocks (206).

4. A vibrating screen for mines according to claim 3, wherein said driving assembly (3) comprises a fixed frame (301) fixedly connected to the side wall of the collecting tank (103), a driven gear (302) is fixedly connected to one of said annular blocks (201), and a driving gear (303) meshed with said driven gear (302) is rotatably connected to the inner side wall of said fixed frame (301).

5. The vibrating screen for mines according to claim 4, wherein a motor (304) is fixedly connected to the side wall of the fixed frame (301), the output end of the motor (304) is fixedly connected with the driving gear (303), and a limiting rod (305) is fixedly connected between the fixed frame (301) and the rotating block (205).

6. The vibrating screen for mines according to claim 5, wherein the material conveying assembly (4) comprises a plurality of partition boards (401) fixedly connected to the side wall of the material collecting tank (103), a plurality of conveyor belts (402) are arranged between the partition boards (401), the same water pipe (403) is fixedly connected between the partition boards (401), and a plurality of spray heads (404) respectively positioned at one side of the material collecting tank (103) are communicated with the water pipe (403).

7. A vibrating screen for mines according to claim 6, wherein said wind power assembly (5) comprises two air pipes (501) fixedly connected to one of the rotating blocks (205), and the two air pipes (501) are respectively communicated with the two air cavities (207), and a fan (502) is communicated between the two air pipes (501).