CN111468409B - Coal mine screening device - Google Patents

Coal mine screening device Download PDF

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Publication number
CN111468409B
CN111468409B CN202010397909.0A CN202010397909A CN111468409B CN 111468409 B CN111468409 B CN 111468409B CN 202010397909 A CN202010397909 A CN 202010397909A CN 111468409 B CN111468409 B CN 111468409B
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China
Prior art keywords
shell
guide rod
separation roller
screen body
rod
Prior art date
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CN202010397909.0A
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Chinese (zh)
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CN111468409A (en
Inventor
宋伟
朱磊
宋立平
古文哲
张新福
赵萌烨
宋天奇
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China Coal Energy Research Institute Co Ltd
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China Coal Energy Research Institute Co Ltd
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Priority to CN202010397909.0A priority Critical patent/CN111468409B/en
Publication of CN111468409A publication Critical patent/CN111468409A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
    • B07B13/04—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to size
    • B07B13/05—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to size using material mover cooperating with retainer, deflector or discharger
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
    • B07B13/14—Details or accessories
    • B07B13/16—Feed or discharge arrangements

Landscapes

  • Combined Means For Separation Of Solids (AREA)

Abstract

本发明公开了一种煤矿筛分装置，壳体腔内从上到下依次设有分离辊、集料斗和筛体，分离辊左端和右端均贯穿壳体，且在左端和右端上套设有偏心轮，分离辊的右端还依次套设有从动皮带轮和摆动轮，分离辊上方对应位置的壳体上固定连接上导料杆，分离辊下方对应位置的壳体上固定连接下导料杆，转动杆均与上导料杆和下导料杆相互交错，集料斗置于分离辊下方，集料斗剖面呈漏斗状，筛体置于集料斗下方，筛体倾斜设置，筛体一端铰接在壳体腔内，筛体另一端贯穿壳体，置于壳体腔外的筛体两侧安装有耳座，耳座上铰接支架，支架均与连杆铰接，连杆铰接在摆杆上。本发明优点有：便于分类，防堵塞，工作效率高和避免筛体造成损坏。

The invention discloses a coal mine screening device, wherein a separation roller, a collection hopper and a screen body are sequentially arranged in a shell cavity from top to bottom, the left and right ends of the separation roller both penetrate the shell, and eccentric wheels are sleeved on the left and right ends, and a driven pulley and a swing wheel are sleeved on the right end of the separation roller in sequence, an upper guide rod is fixedly connected to the shell at a corresponding position above the separation roller, and a lower guide rod is fixedly connected to the shell at a corresponding position below the separation roller, and the rotating rods are interlaced with the upper guide rod and the lower guide rod, the collection hopper is placed below the separation roller, and the cross section of the collection hopper is funnel-shaped, the screen body is placed below the collection hopper, the screen body is tilted, one end of the screen body is hinged in the shell cavity, and the other end of the screen body penetrates the shell, and ear seats are installed on both sides of the screen body outside the shell cavity, and brackets are hinged on the ear seats, and the brackets are hinged to the connecting rods, and the connecting rods are hinged to the swing rods. The advantages of the invention are: easy classification, anti-blocking, high working efficiency and avoidance of damage to the screen body.

Description

Colliery screening plant
Technical Field
The invention belongs to the technical field of coal mine screening, and particularly relates to a coal mine screening device.
Background
The coal mine is a region where coal resources are mined in a mining area rich in coal, and is generally divided into an underground coal mine and an open pit coal mine, when a coal seam is far away from the ground surface, coal is generally selected to be mined into an underground mining roadway, when the coal seam is very close to the ground surface, the coal is generally selected to be mined by directly stripping off a surface soil layer, the open pit coal mine is the open pit coal mine, most of coal mines in China belong to the underground coal mine, most of the conventional coal mine screening devices are single in performance, when the ores are screened, the input ores are directly placed above a screen, the screen is easily damaged under the action of gravity of the large ores, the processing progress is seriously influenced, and meanwhile, the ores cannot be effectively classified and are easily blocked. Therefore, it is particularly important to solve the above-mentioned problems.
Disclosure of Invention
The coal mine screening device overcomes the defects of the prior art, is convenient to classify, prevents blockage, has high working efficiency and avoids damage to the screen body.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The utility model provides a colliery screening plant, includes the casing, from the top down is equipped with separator roll, collecting hopper and screen frame in proper order in the casing intracavity, the separator roll is horizontal form rotation connection through both ends be in on the casing, separator roll left end and right-hand member all run through the casing, and the cover is equipped with the eccentric wheel on left end and right-hand member, separator roll's right-hand member still overlaps in proper order and is equipped with driven pulley and swing wheel, driven pulley belt connection driving pulley, the driving pulley cover is established on the output of motor, the motor is installed the casing top, be equipped with the pendulum rod on the swing wheel, evenly distributed is equipped with the dwang on the separator roll, the separator roll top corresponds the position on the casing fixed connection upper guide bar, upper guide bar slope sets up, and follows separator roll axis direction of extension evenly distributed, the separator roll below corresponds the fixed connection lower guide bar, the lower guide bar slope sets up, and follows separator roll axis direction of extension evenly distributed, the dwang all with upper guide bar and lower guide bar, the position corresponds the upper guide bar with the lower guide bar is equipped with the guide bar, the upper guide bar is equipped with the guide bar, the guide bar is equipped with the guide pulley set up on the side of side, the pressure-sensitive roller is equipped with the pressure-sensitive roller set, the pressure-sensitive roller is equipped with the opening on the side to the casing, the position corresponds the collecting hopper, the pressure-sensitive roller is equipped with the opening on the side, the pressure-sensitive roller set is equipped with the opening on the side, the utility model discloses a swing link, including bearing rod, buffer opening contact surface, bearing rod, buffer opening contact surface, bearing rod with buffer opening contact surface is equipped with the guide way in the side of buffer opening, the guide way is arranged in the guide way, bearing rod with be equipped with buffer spring between the buffer opening bottom, the screen frame is arranged in the collecting hopper below, the screen frame slope sets up, screen frame one end articulates in the casing intracavity, the screen frame other end runs through the casing, arranges in the casing intracavity the ear seat is installed to the screen frame both sides, articulated support on the ear seat, the support all articulates with the connecting rod, the connecting rod articulates on the pendulum rod.
The invention is further improved in that the side part of the shell is provided with a trash removal door close to the bottom end.
The invention is further improved in that the cross section of the collecting hopper is funnel-shaped.
Compared with the prior art, the invention has the advantages that:
Small ores enter the collecting hopper through gaps between the guide rods arranged at intervals, large ores are placed above the upper guide rods, the rotating rods on the large ores can carry the large ores to rotate along with the rotation of the separating rollers, the large ores can be collected in the material receiving box through the material discharging holes under the action of gravity, the small ores entering the collecting hopper can be discharged into the sieve body through the bottom under the action of up-and-down swing of the collecting hopper, and the small ores collect impurities such as sand and soil mixed in the bottom of the shell under the action of up-and-down swing of the sieve body, so that the impurities such as sand and soil at the bottom of the shell can be cleaned conveniently through the impurity cleaning door.
Drawings
FIG. 1 is a schematic front view of a coal mine screening apparatus of the present invention;
FIG. 2 is a schematic front cross-sectional view of a coal mine screening apparatus of the present invention;
FIG. 3 is a schematic right side view of a coal mine screening apparatus of the present invention;
FIG. 4 is a schematic top view of a coal mine screening apparatus of the present invention;
FIG. 5 is an enlarged schematic view of the structure of the coal mine screening apparatus of FIG. 1 in the A direction;
FIG. 6 is a schematic view of a B-direction enlarged structure of the coal mine screening apparatus of the present invention shown in FIG. 3.
Reference numerals illustrate:
1. the device comprises a shell, a feed hopper, a separating roller, a collecting hopper, a sieve, a eccentric wheel, a driven pulley, a swing wheel, a driving pulley, a motor, a swing rod, a rotating rod, an upper guide rod, a lower guide rod, a discharge hole, a material receiving box, a pressure bearing rod, a buffer opening, a pulley, a guide rod, a guide groove, a buffer spring, an ear seat, a support, a connecting rod, a cleaning door and a cleaning door.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 6, the coal mine screening device provided by the invention comprises a shell 1 and a feed hopper 2, and is characterized in that: the separating roller 3, the collecting hopper 4 and the screen body 5 are sequentially arranged in the cavity of the shell 1 from top to bottom, the separating roller 3 is horizontally connected to the shell 1 in a rotating way through two ends, the left end and the right end of the separating roller 3 penetrate through the shell 1, eccentric wheels 6 are sleeved on the left end and the right end, a driven pulley 7 and a swinging wheel 8 are sleeved on the right end of the separating roller 3 in sequence, the driven pulley 7 is connected with a driving pulley 9 through a belt, the driving pulley 9 is sleeved on the output end of a motor 10, the motor 10 is arranged at the top of the shell 1, swinging wheels 8 are provided with swinging rods 11, rotating rods 12 are uniformly distributed on the separating roller 3, upper guide rods 13 are fixedly connected to the shell 1 at corresponding positions above the separating roller 3 in an inclined way and uniformly distributed along the extending direction of the axis of the separating roller 3, the shell 1 at the corresponding position below the separating roller 3 is fixedly connected with a lower guide rod 14, the lower guide rod 14 is obliquely arranged and uniformly distributed along the extending direction of the axis of the separating roller 3, the rotating rods 12 are mutually staggered with the upper guide rod 13 and the lower guide rod 14, the top of the shell 1 at the corresponding position of the upper guide rod 13 is provided with a feed hopper 2, the side part of the shell 1 at the corresponding position of the lower guide rod 14 is provided with a discharge port 15, the shell 1 at the corresponding position of the discharge port 15 is provided with a material receiving box 16, the material collecting hopper 4 is arranged below the separating roller 3, the section of the material collecting hopper 4 is funnel-shaped, a group of pressure bearing rods 17 are symmetrically arranged at the side surface of the material collecting hopper 4 close to the top, buffer openings 18 are respectively arranged on the shell 1 at the corresponding positions of the pressure bearing rods 17, the pressure bearing rods 17 penetrate through the buffer openings 18 and are rotatably sleeved at the end parts with pulleys 19, the pulleys 19 are meshed with the eccentric wheels 6, the lateral part of the pressure-bearing rod 17 between the contact surfaces of the pressure-bearing rod 17 and the buffering opening 18 is provided with a guide rod 20, the lateral part of the buffering opening 18 between the contact surfaces of the pressure-bearing rod 17 and the buffering opening 18 is provided with a guide groove 21, the guide rod 20 is arranged in the guide groove 21, a buffering spring 22 is arranged between the pressure-bearing rod 17 and the bottom of the buffering opening 18, the sieve body 5 is arranged below the collecting hopper 4, the sieve body 5 is obliquely arranged, one end of the sieve body 5 is hinged in the cavity of the shell 1, the other end of the sieve body 5 penetrates through the shell 1, lugs 23 are arranged on two sides of the sieve body 5 outside the cavity of the shell 1, brackets 24 are hinged on the lugs 23, the brackets 24 are hinged with connecting rods 25, and the connecting rods 25 are hinged on the swing rods 11.
The side part of the shell 1 is provided with a trash removal door 26 near the bottom end.
During operation, the motor 10 is started firstly, ore is thrown into the feeding hopper 2, the ore falls on the upper guide rods 13, small ore enters the collecting hopper 4 through gaps between the guide rods arranged at intervals, large ore is placed above the upper guide rods 13, along with rotation of the separating roller 3, the rotating rod 12 on the large ore can carry the large ore to rotate, when the large ore contacts with the lower guide rods 14, the large ore is separated from the rotating rod 12, and is obliquely arranged below the connecting rod 25, so that the large ore can be collected in the material receiving box 16 through the discharge opening 15 under the action of self gravity, the small ore entering the collecting hopper 4 can be discharged into the sieve body 5 through the bottom under the action of vertical swing of the collecting hopper 4, the small ore can collect impurities such as sand and soil mixed in the bottom of the shell 1 under the action of vertical swing of the sieve body 5, the small ore without the impurities such as sand and the like can finally be discharged out of the shell 1 through the sieve body 5, and the impurities such as sand and the like at the bottom of the shell 1 can be cleaned conveniently through the cleaning door 26.
The invention has the working principle that a motor 10 drives a driving belt pulley 9, a belt of the driving belt pulley 9 drives a driven belt pulley 7, the driven belt pulley 7 drives a separation roller 3 to rotate, the separation roller 3 drives a rotating rod 12 and simultaneously drives a coaxial eccentric wheel 6 and a swinging wheel 8, the eccentric wheel 6 is meshed with a pulley 19, the pulley 19 presses a pressure-bearing rod 17, the pressure-bearing rod 17 presses a collecting hopper 4, the swinging wheel 8 drives a swinging rod 11, the swinging rod 11 can drive a connecting rod 25 to reciprocate up and down, the connecting rod 25 drives a bracket 24 to reciprocate up and down, and the bracket 24 drives a screen body 5 to reciprocate up and down.
The invention is not described in detail in the prior art.

Claims (1)

1.一种煤矿筛分装置，其特征在于，包括壳体（1），所述壳体（1）腔内从上到下依次设有分离辊（3）、集料斗（4）和筛体（5），所述分离辊（3）通过两端呈水平状转动连接在所述壳体（1）上，所述分离辊（3）左端和右端均贯穿所述壳体（1），且在左端和右端上套设有偏心轮（6），所述分离辊（3）的右端还依次套设有从动皮带轮（7）和摆动轮（8），所述从动皮带轮（7）皮带连接主动皮带轮（9），所述主动皮带轮（9）套设在电机（10）的输出端上，所述电机（10）安装在所述壳体（1）顶部，所述摆动轮（8）上设有摆杆（11），所述分离辊（3）上均匀分布设有转动杆（12），所述分离辊（3）上方对应位置的所述壳体（1）上固定连接上导料杆（13），所述上导料杆（13）倾斜设置，且沿所述分离辊（3）轴线延伸方向均匀分布，所述分离辊（3）下方对应位置的所述壳体（1）上固定连接下导料杆（14），所述下导料杆（14）倾斜设置，且沿所述分离辊（3）轴线延伸方向均匀分布，所述转动杆（12）均与所述上导料杆（13）和所述下导料杆（14）相互交错，所述上导料杆（13）对应位置的所述壳体（1）顶部设有进料斗（2），所述下导料杆（14）对应位置的所述壳体（1）侧部设有排料口（15），所述排料口（15）对应位置处的所述壳体（1）上安装有接料箱（16），所述集料斗（4）置于所述分离辊（3）下方，所述集料斗（4）侧面靠近顶部位置对称设有一组承压杆（17），所述承压杆（17）对应位置的所述壳体（1）上均设有缓冲开口（18），所述承压杆（17）穿过所述缓冲开口（18）且在端部转动套设有滑轮（19），所述滑轮（19）与所述偏心轮（6）啮合，所述承压杆（17）与所述缓冲开口（18）接触面之间的所述承压杆（17）侧部设有导向杆（20），所述承压杆（17）与所述缓冲开口（18）接触面之间的所述缓冲开口（18）侧部设有导向槽（21），所述导向杆（20）置于所述导向槽（21）中，所述承压杆（17）与所述缓冲开口（18）底部之间设有缓冲弹簧（22），所述筛体（5）置于所述集料斗（4）下方，所述筛体（5）倾斜设置，所述筛体（5）一端铰接在所述壳体（1）腔内，所述筛体（5）另一端贯穿所述壳体（1），置于所述壳体（1）腔外的所述筛体（5）两侧安装有耳座（23），所述耳座（23）上铰接支架（24），所述支架（24）均与连杆（25）铰接，所述连杆（25）铰接在所述摆杆（11）上；1. A coal mine screening device, characterized in that it comprises a shell (1), wherein a separation roller (3), a collecting hopper (4) and a screen body (5) are sequentially arranged in a cavity of the shell (1) from top to bottom, wherein the separation roller (3) is horizontally rotatably connected to the shell (1) through both ends, the left end and the right end of the separation roller (3) both pass through the shell (1), and eccentric wheels (6) are sleeved on the left and right ends, and the right end of the separation roller (3) is also sleeved with a driven pulley (7) and a swing wheel (8) in sequence, wherein the driven pulley (7) is belt-connected to a driving pulley (9), and the driving pulley (9) is sleeved on the output end of a motor (10), and the motor (10) is mounted on the top of the shell (1), and a swing rod (11) is provided on the swing wheel (8), The separation roller (3) is evenly distributed with rotating rods (12); an upper material guide rod (13) is fixedly connected to the shell (1) at a corresponding position above the separation roller (3); the upper material guide rod (13) is arranged obliquely and is evenly distributed along the extension direction of the axis of the separation roller (3); a lower material guide rod (14) is fixedly connected to the shell (1) at a corresponding position below the separation roller (3); the lower material guide rod (14) is arranged obliquely and is evenly distributed along the extension direction of the axis of the separation roller (3); the rotating rods (12) are staggered with the upper material guide rod (13) and the lower material guide rod (14); a feed hopper (2) is provided on the top of the shell (1) at a corresponding position of the upper material guide rod (13); and the lower material guide rod (14) is provided at a corresponding position of the lower material guide rod (14). A discharge port (15) is provided on the side of the shell (1), a receiving box (16) is installed on the shell (1) at a position corresponding to the discharge port (15), the collecting hopper (4) is placed below the separating roller (3), a group of pressure rods (17) are symmetrically provided on the side of the collecting hopper (4) near the top, a buffer opening (18) is provided on the shell (1) at a position corresponding to the pressure rod (17), the pressure rod (17) passes through the buffer opening (18) and a pulley (19) is rotatably sleeved on the end, the pulley (19) is meshed with the eccentric wheel (6), a guide rod (20) is provided on the side of the pressure rod (17) between the contact surface of the pressure rod (17) and the buffer opening (18), the pressure rod (17) and the buffer are connected to each other. A guide groove (21) is provided on the side of the buffer opening (18) between the contact surfaces of the opening (18), the guide rod (20) is placed in the guide groove (21), a buffer spring (22) is provided between the pressure-bearing rod (17) and the bottom of the buffer opening (18), the screen body (5) is placed below the collecting hopper (4), the screen body (5) is tilted, one end of the screen body (5) is hinged in the cavity of the shell (1), the other end of the screen body (5) passes through the shell (1), ear seats (23) are installed on both sides of the screen body (5) outside the cavity of the shell (1), brackets (24) are hinged on the ear seats (23), the brackets (24) are hinged to the connecting rods (25), and the connecting rods (25) are hinged to the swing rod (11); 所述壳体（1）侧部靠近底端位置设有清杂门（26）；A cleaning door (26) is provided on the side of the housing (1) near the bottom end; 所述集料斗（4）剖面呈漏斗状。The collecting hopper (4) has a funnel-shaped cross section.
CN202010397909.0A 2020-05-12 2020-05-12 Coal mine screening device Active CN111468409B (en)

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CN112791795B (en) * 2021-02-01 2022-06-21 南丰县吉品生物科技有限公司 Raw material crushing device is used in production of mandarin orange coarse grain rice flour

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Publication number Priority date Publication date Assignee Title
CN212397301U (en) * 2020-05-12 2021-01-26 中煤能源研究院有限责任公司 Coal mine screening device

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CN2577593Y (en) * 2002-09-21 2003-10-08 吴德华 Chinese chestnut peeler
CN207563224U (en) * 2017-11-20 2018-07-03 溧阳市乔森塑料有限公司 A kind of sieve powder host of high speed sieve powder equipment suitable for amino film plastics
KR102084456B1 (en) * 2019-01-14 2020-04-24 주식회사 영도테크 Capsale automatic separation apparatus
CN110523621B (en) * 2019-10-08 2021-01-01 安徽智汇和科技服务有限公司 Material screening method

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