CN215613167U

CN215613167U - Closed coal sieving mechanism

Info

Publication number: CN215613167U
Application number: CN202122360141.2U
Authority: CN
Inventors: 罗奕; 陈煌; 冯清山; 王宝玉; 岳跃谭; 刘吉宝; 牟崇文; 孔彦; 徐凌云
Original assignee: Huaneng Fujian Seaport Co ltd
Current assignee: Huaneng Fujian Seaport Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-01-25
Anticipated expiration: 2031-09-28

Abstract

The utility model discloses a closed coal screening device which comprises a bottom plate, wherein two fixed plates are fixedly connected to the upper surface of the bottom plate, a first rotating rod is movably connected between the two fixed plates, a cam is fixedly connected to the circumferential outer wall of the first rotating rod, a motor is fixedly connected to the outer wall of one side of each fixed plate, one end of an output shaft of the motor penetrates through the fixed plates and is fixed with the rotating rod, a fixed rod is fixedly connected between the two fixed plates, a filter sieve is movably connected to the circumferential outer wall of the fixed rod, a supporting rod is fixedly connected between the two fixed plates and is in contact with the filter sieve, fixed blocks are fixedly connected to the inner walls of one sides of the two fixed plates, and springs are fixedly connected to the upper surfaces of the fixed blocks. The utility model not only solves the problem of blockage caused by excessive material accumulation on the filter screen, but also enables the device to carry out intermittent blanking, prevents excessive material accumulation, and can improve the screening effect of the device.

Description

Closed coal sieving mechanism

Technical Field

The utility model relates to the technical field of coal screening, in particular to a closed type coal screening device.

Background

The screening is the operation of dividing the mixture with different particle sizes into various particle size grades through a screen surface with holes, the screening can be divided into the screening of different works such as independent screening, auxiliary screening, preparation screening, selection screening and the like, the screening work is mainly used for factories such as coal factories and mining sites, and the requirements of the factories on screening devices are higher and higher at any time due to the development of technologies.

At present, in the production technology of coal in the market, sometimes, the coal needs to be screened due to different sizes of coal particles to distinguish the sizes of the coal, under general conditions, the coal is placed on a filter screen, the coal with the size required by people is obtained through screening, however, sometimes, the filter screen is easy to block due to excessive accumulation of materials on the filter screen, and insufficient screening is caused, so that a closed coal screening device is provided to meet the requirements of people.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a closed coal screening device.

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

the utility model provides a closed coal sieving mechanism, includes the bottom plate, two fixed plates of last fixed surface of bottom plate are connected with, and swing joint has first dwang between two fixed plates, the circumference outer wall fixedly connected with cam of first dwang, one side outer wall fixedly connected with motor of fixed plate, and the one end of motor output shaft passes the fixed plate and fixes mutually with the dwang, fixedly connected with dead lever between two fixed plates, the circumference outer wall swing joint of dead lever has the filter sieve, fixedly connected with bracing piece between two fixed plates, and the bracing piece contacts with the filter sieve, the equal fixedly connected with fixed block of one side inner wall of two fixed plates, the last fixed surface of fixed block is connected with the spring, and the spring is fixed mutually with the filter sieve.

As a further scheme of the present invention, the inner wall of one side of the fixing plate is movably connected with a rotating rod, the circumferential outer wall of the rotating rod is fixedly connected with a second missing gear, the circumferential outer wall of the first rotating rod is fixedly connected with a first missing gear, and the first missing gear is engaged with the second missing gear.

As a further scheme of the utility model, the upper surfaces of the two fixing plates are fixedly connected with a discharging box, the bottom of the discharging box is provided with a discharging hole, a discharging pipe is fixedly connected in the discharging hole, and one end of the rotating rod penetrates through the discharging pipe and is fixedly connected with a material blocking plate.

As a further scheme of the utility model, the upper surface of the bottom plate is fixedly connected with a first material receiving box, the upper surface of the bottom plate is fixedly connected with a second material receiving box, and the first material receiving box and the second material receiving box are positioned below the filter screen.

As a further scheme of the utility model, the upper surface of the filter screen is fixedly connected with two baffles which are symmetrically distributed.

As a further scheme of the present invention, the upper surface of the base plate is fixedly connected with a supporting plate, the supporting plate is fixed with two fixing plates, and one side of each fixing plate is fixedly connected with a control panel.

As a further scheme of the utility model, the bottom of the bottom plate is fixedly connected with a plurality of feet which are uniformly distributed, and the bottoms of the feet are bonded with anti-skid pads.

The utility model has the beneficial effects that:

1. the motor drives the first rotating rod to rotate, the first rotating rod drives the cam to rotate, the protruding part of the cam can jack the filter screen when rotating to the upper side, the cam rotates to enable the protruding part to move downwards, the filter screen resets through the elastic force of the spring, the filter screen is made to move vertically, the material is vibrated, the filter screen is prevented from being blocked due to the fact that the material is too much, and the problem that the material is blocked due to the fact that the material is too much accumulated on the filter screen is solved.

2. Through the cooperation that lacks the gear of first gear and second and use, the motor drives first rotation pole and rotates, first rotation pole drives first gear rotation that lacks, first gear rotation that lacks the gear makes with the second lacks gear engagement, it rotates to drive the second and lacks gear, the second lacks the gear and drives the bull stick and rotate, the bull stick drives and keeps off the charging tray and rotates, make the material in the blowing pipe enter into on filtering sieve, make the device carry out intermittent type nature unloading, can prevent that the material from piling up too much.

3. Through the setting of baffle, when the filter sieve reciprocated and vibrate the material, the baffle can prevent that the material from breaking away from the filter sieve because of the filter sieve reciprocates, lets the filter sieve carry out abundant screening to the material, has improved the screening effect of device.

Drawings

FIG. 1 is a schematic perspective view of a closed coal screening apparatus according to the present invention;

FIG. 2 is a schematic view of the internal structure of a closed coal screening apparatus according to the present invention;

fig. 3 is a schematic partial sectional structural view of a closed coal screening device according to the present invention.

In the figure: 1. a base plate; 2. a fixing plate; 3. ground feet; 4. a control panel; 5. a motor; 6. a support plate; 7. a material placing box; 8. a first material receiving box; 9. a second material receiving box; 10. a baffle plate; 11. filtering and screening; 12. a support bar; 13. a fixed block; 14. a spring; 15. a cam; 16. a first missing gear; 17. a second missing gear; 18. discharging the material pipe; 19. a material blocking disc; 20. and (4) rotating the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent may be understood by those skilled in the art as appropriate.

Referring to fig. 1-3, a closed coal screening device comprises a base plate 1, two fixed plates 2 are fixed on the upper surface of the base plate 1 through bolts, a first rotating rod is rotatably connected between the two fixed plates 2, a cam 15 is connected with the circumferential outer wall key of the first rotating rod, a motor 5 is fixed on one side outer wall of the fixed plates 2 through bolts, one end of the output shaft of the motor 5 penetrates through the fixed plates 2 and is fixed with the rotating rod, a fixed rod is fixed between the two fixed plates 2 through bolts, a filter sieve 11 is rotatably connected with the circumferential outer wall of the fixed rod, a support rod 12 is fixed between the two fixed plates 2 through bolts, the support rod 12 is in contact with the filter sieve 11, a fixed block 13 is fixed on one side inner wall of each of the two fixed plates 2 through bolts, a spring 14 is welded on the upper surface of the fixed block 13, the spring 14 is fixed with the filter sieve 11, and the motor 5 drives the first rotating rod to rotate, the first rotating rod drives the cam 15 to rotate, the convex part of the cam 15 can jack up the filter screen 11 when rotating, and when the convex part of the cam 15 leaves the filter screen 11, the spring 14 resets the filter screen 11 so as to move the filter screen 11 up and down, so that the filter screen 11 vibrates the material.

In the utility model, a rotating rod 20 is rotatably connected to the inner wall of one side of a fixed plate 2, a second gear lacking 17 is connected to the circumferential outer wall of the rotating rod 20 in a key manner, a first gear lacking 16 is connected to the circumferential outer wall of the first rotating rod in a key manner, the first gear lacking 16 is meshed with the first gear lacking 16, the motor 5 is started, the first rotating rod drives the first rotating rod to rotate, the first rotating rod drives the first gear lacking 16 to rotate, the second gear lacking 17 is driven to rotate after the gear of the first gear lacking 16 is meshed with the second gear lacking 17, the second gear lacking 17 drives the rotating rod 20, the rotating rod 20 drives a material blocking plate 19 to rotate in a material discharging pipe 18, when the material blocking plate 19 rotates, the material falls onto a filter screen 11, the upper surfaces of the two fixed plates 2 are fixedly provided with material discharging boxes 7 through bolts, the bottom of the material discharging boxes 7 are provided with material discharging holes, material discharging pipes 18 are fixedly arranged in the material discharging holes through bolts, one end of the rotating rod 20 penetrates through the material discharging pipe 18 and is fixedly provided with the material blocking plate 19 through bolts, a first material receiving box 8 is fixed on the upper surface of the bottom plate 1 through bolts, a second material receiving box 9 is fixed on the upper surface of the bottom plate 1 through bolts, the first material receiving box 8 and the second material receiving box 9 are positioned below the filter sieve 11, the filtered materials enter the second material receiving box 9 through the filter sieve 11, the unfiltered materials enter the first material receiving box 8, two baffles 10 are fixed on the upper surface of the filter sieve 11 through bolts, the baffles 10 are symmetrically distributed, the support plate 6 is fixed on the upper surface of the bottom plate 1 through bolts, and the supporting plate 6 is fixed with the two fixing plates 2, one side of the fixing plate 2 is fixed with a control panel 4 through bolts, the bottom of the bottom plate 1 is fixed with a plurality of feet 3 through bolts, and 3 evenly distributed of lower margin, the bottom bonding of lower margin 3 has the slipmat, and the slipmat can increase the frictional force on device and ground, improves the stability of device.

The working principle is as follows: when the material screening machine is used, when materials need to be screened, the materials are placed into the material placing box 7, then the motor 5 is started, the motor 5 drives the first rotating rod to rotate, the first rotating rod drives the first gear lacking 16 to rotate, after the gear of the first gear lacking 16 is meshed with the second gear lacking 17, the second gear lacking 17 is driven to rotate, the second gear lacking 17 drives the rotating rod 20, the rotating rod 20 drives the material blocking disc 19 to rotate in the material placing pipe 18, the materials fall onto the filter screen 11 when the material blocking disc 19 rotates, the motor 5 drives the first rotating rod to rotate, the first rotating rod drives the cam 15 to rotate, the convex part can jack up the filter screen 11 when the cam 15 rotates, when the convex part of the cam 15 leaves the filter screen 11, the spring 14 resets the filter screen 11 to enable the filter screen 11 to move up and down, the filter screen 11 shakes the materials, and the filter screen 11 is prevented from being blocked by too many materials, meanwhile, the filtered materials pass through the filter screen 11 and enter the second receiving box 9, and the unfiltered materials enter the first receiving box 8.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The closed coal screening device comprises a bottom plate (1) and is characterized in that two fixed plates (2) are fixedly connected to the upper surface of the bottom plate (1), a first rotating rod is movably connected between the two fixed plates (2), a cam (15) is fixedly connected to the outer wall of the first rotating rod, a motor (5) is fixedly connected to the outer wall of one side of each fixed plate (2), one end of the output shaft of the motor (5) penetrates through the fixed plates (2) to be fixed with the rotating rods, a fixed rod is fixedly connected between the two fixed plates (2), a filter sieve (11) is movably connected to the outer wall of the circumference of the fixed rod, a supporting rod (12) is fixedly connected between the two fixed plates (2), the supporting rod (12) is in contact with the filter sieve (11), a fixed block (13) is fixedly connected to the inner wall of one side of the two fixed plates (2), the upper surface of the fixed block (13) is fixedly connected with a spring (14), and the spring (14) is fixed with the filter sieve (11).

2. The closed coal screening device according to claim 1, characterized in that a rotating rod (20) is movably connected to the inner wall of one side of the fixed plate (2), a second gear (17) is fixedly connected to the outer circumferential wall of the rotating rod (20), a first gear (16) is fixedly connected to the outer circumferential wall of the first rotating rod, and the first gear (16) is meshed with the second gear (17).

3. The closed type coal screening device according to claim 2, wherein the upper surfaces of the two fixing plates (2) are fixedly connected with a discharge box (7), a discharge hole is formed in the bottom of the discharge box (7), a discharge pipe (18) is fixedly connected in the discharge hole, and one end of the rotating rod (20) penetrates through the discharge pipe (18) and is fixedly connected with a blocking plate (19).

4. The closed type coal screening device according to claim 1, characterized in that a first material receiving box (8) is fixedly connected to the upper surface of the bottom plate (1), a second material receiving box (9) is fixedly connected to the upper surface of the bottom plate (1), and the first material receiving box (8) and the second material receiving box (9) are positioned below the filter screen (11).

5. A closed coal screening device according to claim 4, characterized in that the upper surface of the filter screen (11) is fixedly connected with two baffles (10), and the baffles (10) are symmetrically distributed.

6. A closed coal screening device according to claim 1, characterized in that the upper surface of the bottom plate (1) is fixedly connected with a support plate (6), the support plate (6) is fixed with two fixing plates (2), and one side of the fixing plates (2) is fixedly connected with a control panel (4).

7. The closed coal screening device according to claim 1, characterized in that a plurality of ground feet (3) are fixedly connected to the bottom of the bottom plate (1), the ground feet (3) are uniformly distributed, and anti-slip pads are bonded to the bottoms of the ground feet (3).