CN213032981U

CN213032981U - Movable vibrating screen mechanism of coal mine coal washing plant

Info

Publication number: CN213032981U
Application number: CN202021951084.4U
Authority: CN
Inventors: 周阳阳; 吕博; 王志强
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-04-23
Anticipated expiration: 2030-09-09

Abstract

The utility model belongs to the technical field of coal production, especially, for a colliery coal washery removes sieve mechanism that shakes, shake sieve mechanism to current colliery and can only produce two varieties usually when grading to the lump coal, lead to needing to carry out secondary screening to the coal, influenced work efficiency, and be difficult to take out the buggy completely after the screening is accomplished to influenced the problem of using the convenience, put forward following scheme now, it includes the casing, the equal fixed mounting in bottom four corners of casing has the supporting leg, the open-top part of casing is provided with the feeder hopper. The utility model relates to a rationally, it is convenient to use, through mutually supporting between components such as first board, second board, first sieve, second sieve, motor, cam, catch bar, can effectually carry out multistage screening to the lump coal, simultaneously through mutually supporting between components such as aggregate funnel, conveyer belt, can effectually convey easy operation with the buggy is quick.

Description

Movable vibrating screen mechanism of coal mine coal washing plant

Technical Field

The utility model relates to a coal production technical field especially relates to a colliery coal washery removes sieve mechanism that shakes.

Background

The coal mine vibrating screen adopts the advanced technology at home and abroad such as vibrating motor excitation, rubber spring vibration reduction, high wear-resistant material sieve plates, sealed sieve boxes and the like and the advanced self-synchronizing vibration principle, has the characteristics of long service life, low noise, high screening efficiency and the like, and is suitable for vibrating screen equipment for sintered ores, natural ores, cokes and other powdery materials.

However, the existing coal mine vibrating screen mechanism can only produce two varieties when lump coal is classified, secondary screening of the coal is needed, working efficiency is affected, pulverized coal is difficult to take out completely after screening is completed, and convenience in use is affected, so that the moving vibrating screen mechanism for the coal mine coal washing plant is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of the prior art and providing a mobile vibrating screen mechanism for a coal mine coal washing plant.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a movable vibrating screen mechanism of a coal mine coal washing plant comprises a shell, wherein supporting legs are fixedly mounted at four corners of the bottom of the shell, a feed hopper is arranged at an opening at the top of the shell, one end of a first plate is rotatably mounted on the inner wall of one side of the shell, the first plate is provided with a first screen, a first discharge port and a second discharge port are respectively arranged at two sides of the shell, the other end of the first plate is matched with the first discharge port, a chute is formed in the inner wall of the other side of the shell, a sliding plate is slidably mounted in the chute, one end of a second plate is rotatably mounted on the sliding plate, the other end of the second plate is matched with the second discharge port, a second screen is arranged on the second plate, one end of a first shaft is rotatably mounted on the inner wall of the rear side of the shell, the other end of the first shaft extends to the front side of the shell and is, the fixed cover in the outside of primary shaft is equipped with the cam, the bottom side one end activity butt of cam and first board, fixed mounting has the fixed pin on the cam, rotate the top of installing the catch bar on the fixed pin, the bottom of catch bar is rotated and is installed the top side one end at the second board, the rear side fixed mounting of casing has the motor, the one end of fixedly connected with secondary shaft on the output shaft of motor, and the other end of secondary shaft extends to the front side of casing and fixed cover and is equipped with the second belt pulley, transmission connection has same belt on first belt pulley and the second belt pulley, the outside fixed cover of secondary shaft is equipped with first transfer roller, the second transfer roller is installed in one side rotation of casing, and transmission connection has same conveyer belt on first transfer roller and the second transfer roller.

Preferably, fixed mounting has same diaphragm on the both sides inner wall of casing, has seted up the feed opening on the diaphragm, the top side of diaphragm is provided with the funnel that gathers materials, and the funnel that gathers materials and feed opening looks adaptation can be effectual assembles the coal that the second sieve was sieved to the conveyer belt through the feed opening through the funnel that gathers materials.

Preferably, fixed mounting has the one end of slide bar on the inner wall of one side of casing, and the other end fixed mounting of slide bar has the limiting plate, and the bottom fixed mounting of limiting plate has the top side at the diaphragm, the outside slidable mounting of slide bar has the sliding sleeve, the top side fixed mounting of sliding sleeve has the bottom of connecting plate, and the top of connecting plate is rotated with the bottom side one end of second board and is connected, can effectually support the second board through slide bar, sliding sleeve and connecting plate, can effectually carry on spacingly through the limiting plate to the sliding sleeve simultaneously.

Preferably, the one end of backup pad is fixedly mounted on the one side inner wall of casing, and the other end fixed mounting of backup pad has the baffle, can effectually avoid the coal that first sieve was sieved to influence the normal work of cam and spring through the baffle.

Preferably, fixed mounting has the buffer board on the bottom inner wall of first discharge gate, and the top side of buffer board is provided with the buffer board, can effectually avoid first board and first discharge gate to appear hard contact through the buffer board to carry out effectual protection to the first board.

Preferably, the top side of backup pad is fixed with the bottom of spring, the top of spring and the bottom side one end fixed connection of first board, can effectual pulling first board reset through the spring.

In the utility model, when in use, the movable vibrating screen mechanism of the coal mine coal washing plant is firstly powered on, the motor is started, the output shaft of the motor drives the first conveying roller and the second belt pulley to synchronously rotate through two shafts, the first conveying roller drives the second conveying roller to rotate through the conveying belt, the second belt pulley drives the first belt pulley through the belt to synchronously rotate the cam, so that the first plate drives the first screen to move, and meanwhile, the cam drives the push rod to make one end of the second plate reciprocate up and down, so that the other end of the second plate reciprocates left and right;

the device is moved to the position, coal to be screened is put into the shell from the feed hopper, the first plate drives the first screen to primarily screen the coal under the action of the cam and the spring, the first plate is effectively prevented from being in hard contact with the first discharge port under the action of the buffer plate, the screened coal with larger particle size is discharged out of the shell through the first discharge port, the coal passing through the first screen falls onto the second screen, the second plate drives the second screen to screen the coal under the combined action of the cam and the push rod, the second plate drives the second screen to keep stable work under the combined action of the slide rod, the slide sleeve, the connecting plate and the limiting plate, the screened coal with larger particle size is discharged out of the shell through the second discharge port, the coal passing through the second screen falls onto the conveying belt under the action of the aggregate hopper, and the screened coal is conveyed out of the shell under the combined action of the first conveying roller, the second conveying roller and the conveying belt, and (6) finishing screening.

The utility model relates to a rationally, it is convenient to use, through mutually supporting between components such as first board, second board, first sieve, second sieve, motor, cam, catch bar, can effectually carry out multistage screening to the lump coal, simultaneously through mutually supporting between components such as aggregate funnel, conveyer belt, can effectually convey easy operation with the buggy is quick.

Drawings

Fig. 1 is a front view of a mobile vibrating screen mechanism of a coal mine coal washing plant provided by the utility model;

fig. 2 is a cross-sectional view of a mobile vibrating screen mechanism of a coal mine coal washing plant provided by the utility model;

fig. 3 is a schematic structural diagram of a portion a of a mobile sieving machine composition 2 of a coal mine coal washing plant according to the present invention;

fig. 4 is a schematic structural diagram of a part B in a composition 2 of a mobile sieving machine of a coal mine coal washing plant according to the present invention;

fig. 5 is a rear view of the movable vibrating screen mechanism of the coal mine coal washing plant provided by the utility model.

In the figure: 1. a housing; 2. a feed hopper; 3. a first plate; 4. a first screen; 5. a first discharge port; 6. a chute; 7. a sliding plate; 8. a second plate; 9. a second screen; 10. a second discharge port; 11. a first shaft; 12. a first pulley; 13. a belt; 14. a cam; 15. a fixing pin; 16. a push rod; 17. a motor; 18. a second shaft; 19. a second pulley; 20. a first transfer roller; 21. a second transfer roller; 22. a conveyor belt; 23. a slide bar; 24. a sliding sleeve; 25. a connecting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a mobile vibrating screen mechanism for coal mine coal washing plant comprises a housing 1, wherein four corners of the bottom of the housing 1 are fixedly provided with supporting legs, an opening at the top of the housing 1 is provided with a feed hopper 2, one end of a first plate 3 is rotatably mounted on the inner wall of one side of the housing 1, the first plate 3 is provided with a first screen 4, two sides of the housing 1 are respectively provided with a first discharge port 5 and a second discharge port 10, the other end of the first plate 3 is matched with the first discharge port 5, the inner wall of the other side of the housing 1 is provided with a chute 6, a sliding plate 7 is slidably mounted in the chute 6, one end of a second plate 8 is rotatably mounted on the sliding plate 7, the other end of the second plate 8 is matched with the second discharge port 10, the second plate 8 is provided with a second screen 9, one end of a first shaft 11 is rotatably mounted on the inner wall of the rear side of the housing 1, the other end of the first, the fixed cover in the outside of primary shaft 11 is equipped with cam 14, cam 14 and the activity butt of the bottom side one end of first board 3, fixed mounting has fixed pin 15 on the cam 14, rotate the top of installing catch bar 16 on the fixed pin 15, the top side one end at second board 8 is installed in the rotation of the bottom of catch bar 16, the rear side fixed mounting of casing 1 has motor 17, the one end of fixedly connected with secondary shaft 18 on the output shaft of motor 17, the other end of secondary shaft 18 extends to the front side of casing 1 and fixed cover is equipped with second belt pulley 19, the transmission is connected with same belt 13 on first belt pulley 12 and the second belt pulley 19, the fixed cover in the outside of secondary shaft 18 is equipped with first transfer roller 20, the second transfer roller 21 is installed in the rotation of one side of casing 1, the transmission is connected with same conveyer belt 22 on first transfer roller 20 and the second.

In this embodiment, fixed mounting has same diaphragm on the both sides inner wall of casing 1, has seted up the feed opening on the diaphragm, and the top side of diaphragm is provided with the funnel that gathers materials, and the funnel and the feed opening looks adaptation of gathering materials can be effectual assembles the coal that the second sieve 9 sieved out to conveyer belt 22 on through the feed opening through the funnel that gathers materials.

In this embodiment, fixed mounting has the one end of slide bar 23 on the inner wall of one side of casing 1, the other end fixed mounting of slide bar 23 has the limiting plate, the bottom fixed mounting of limiting plate is in the top side of diaphragm, slide bar 23's outside slidable mounting has sliding sleeve 24, sliding sleeve 24's top side fixed mounting has the bottom of connecting plate 25, the top of connecting plate 25 rotates with the bottom side one end of second board 8 to be connected, through slide bar 23, sliding sleeve 24 and connecting plate 25 can effectually support second board 8, can effectually carry on spacingly through the limiting plate to sliding sleeve 24 simultaneously.

In this embodiment, one end of the supporting plate is fixedly mounted on the inner wall of one side of the casing 1, the baffle is fixedly mounted at the other end of the supporting plate, and the coal screened by the first screen 4 can be effectively prevented from affecting the normal work of the cam 14 and the spring through the baffle.

In this embodiment, fixed mounting has the buffer board on the bottom inner wall of first discharge gate 5, and the top side of buffer board is provided with the buffer board, can effectually avoid first board 3 and first discharge gate 5 to appear hard contact through the buffer board to carry out effectual protection to first board 3.

In this embodiment, the top side fixed mounting of backup pad has the bottom of spring, and the top of spring and the bottom side one end fixed connection of first board 3 can effectual pulling first board 3 reset through the spring.

In the utility model, when in use, firstly, the power is switched on, the motor 17 is started, the output shaft of the motor 17 rotates to drive the second shaft 18 to rotate, the second shaft 18 rotates to drive the first transmission roller 20 and the second belt pulley 19 to synchronously rotate, the first transmission roller 20 drives the second transmission roller 21 to rotate through the transmission belt 22, the second belt pulley 19 drives the first belt pulley 12 to rotate through the belt 13, the first belt pulley 12 rotates to drive the cam 14 to synchronously rotate, the cam 14 rotates to drive the first plate 3 to enable the first sieve 4 to upwards rotate by one end of the first plate 3, the cam 14 rotates to drive the push rod 16 to move, the push rod 16 moves to drive one end of the second plate 8 to enable the second sieve 9 to synchronously reciprocate up and down, the second plate 8 moves to drive the sliding plate 7 to vertically reciprocate along the sliding groove 6, meanwhile, the second plate 8 drives the connecting plate 25 to move, and the connecting plate 25 drives the sliding sleeve 24 to slide left and right in a reciprocating manner along the sliding rod 23;

the device is moved to the position, coal to be screened is put into the shell 1 from the feed hopper 2, the first plate 3 drives the first screen 4 to primarily screen the coal under the action of the cam 14 and the spring, the first plate 3 is effectively prevented from being in hard contact with the first discharge port 5 under the action of the buffer plate, the screened coal with larger particle size is discharged out of the shell 1 through the first discharge port 5, the coal passing through the first screen 4 falls onto the second screen 9, the push rod 16 drives the second plate 8 to enable the second screen 9 to reciprocate up and down under the action of the cam 14 to screen the coal, the second plate 8 drives the second screen 9 to keep stable work under the combined action of the slide rod 23, the sliding sleeve 24, the connecting plate 25 and the limiting plate, the screened coal with larger particle size is discharged out of the shell 1 through the second discharge port 10, the coal passing through the second screen 9 falls onto the conveyor belt 22 through the discharge port under the action of the aggregate hopper, the screened coal is conveyed out of the shell 1 under the combined action of the first conveying roller 20, the second conveying roller 21 and the conveying belt 22, and screening is completed.

The above, only be the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the present invention, the technical solution and the utility model concept of the present invention should be covered within the protection scope of the present invention.

Claims

1. A movable vibrating screen mechanism of a coal mine coal washing plant comprises a shell (1), wherein supporting legs are fixedly mounted at four corners of the bottom of the shell (1), and the movable vibrating screen mechanism is characterized in that a feed hopper (2) is arranged at an opening at the top of the shell (1), one end of a first plate (3) is rotatably mounted on the inner wall of one side of the shell (1), a first screen (4) is arranged on the first plate (3), a first discharge hole (5) and a second discharge hole (10) are respectively arranged at two sides of the shell (1), the other end of the first plate (3) is matched with the first discharge hole (5), a chute (6) is formed in the inner wall of the other side of the shell (1), a sliding plate (7) is slidably mounted in the chute (6), one end of a second plate (8) is rotatably mounted on the sliding plate (7), and the other end of the second plate (8) is matched with the second discharge hole (10), the utility model discloses a screen, including casing (1), be provided with second sieve (9) on second board (8), rotate on the rear side inner wall of casing (1) and install the one end of primary shaft (11), the other end of primary shaft (11) extends to the front side of casing (1) and fixed cover is equipped with first belt pulley (12), the fixed cover in outside of primary shaft (11) is equipped with cam (14), and cam (14) and the activity butt of the bottom side one end of primary plate (3), fixed mounting has fixed pin (15) on cam (14), rotate on fixed pin (15) and install the top of catch bar (16), the bottom of catch bar (16) is rotated and is installed the top side one end at second board (8), the rear side fixed mounting of casing (1) has motor (17), fixedly connected with the one end of secondary shaft (18) on the output shaft of motor (17), and the other end of secondary shaft (18) extends to the front side of casing (1) and fixed cover is equipped with second belt pulley (19), the utility model discloses a conveying belt, including first belt pulley (12) and second belt pulley (19), the fixed cover in outside of secondary shaft (18) is equipped with first conveying roller (20), one side of casing (1) is rotated and is installed second conveying roller (21), and transmission connection has same conveyer belt (22) on first conveying roller (20) and second conveying roller (21).

2. The mobile vibrating screen mechanism of the coal mine coal washing plant as recited in claim 1, characterized in that the same transverse plate is fixedly installed on the inner walls of the two sides of the housing (1), a feed opening is opened on the transverse plate, a collecting hopper is arranged on the top side of the transverse plate, and the collecting hopper is matched with the feed opening.

3. The coal mine coal washing plant mobile vibrating screen mechanism is characterized in that one end of a sliding rod (23) is fixedly mounted on the inner wall of one side of the shell (1), a limiting plate is fixedly mounted at the other end of the sliding rod (23), the bottom end of the limiting plate is fixedly mounted on the top side of the transverse plate, a sliding sleeve (24) is slidably mounted on the outer side of the sliding rod (23), the top side of the sliding sleeve (24) is fixedly mounted with the bottom end of a connecting plate (25), and the top end of the connecting plate (25) is rotatably connected with one end of the bottom side of the second plate (8).

4. The mobile vibrating screen mechanism for the coal mine coal washery according to claim 1, characterized in that one end of a support plate is fixedly arranged on the inner wall of one side of the shell (1), and a baffle plate is fixedly arranged at the other end of the support plate.

5. The mobile vibrating screen mechanism of the coal mine coal washing plant as recited in claim 1, characterized in that a buffer plate is fixedly installed on the inner wall of the bottom of the first discharge port (5), and the top side of the buffer plate is provided with the buffer plate.

6. The mobile vibrating screen mechanism for the coal mine coal washing plant as recited in claim 4, characterized in that the top side of the supporting plate is fixedly provided with the bottom end of the spring, and the top end of the spring is fixedly connected with one end of the bottom side of the first plate (3).