CN220641792U - Device capable of reducing dust overflow of discharging hopper - Google Patents
Device capable of reducing dust overflow of discharging hopper Download PDFInfo
- Publication number
- CN220641792U CN220641792U CN202321916136.8U CN202321916136U CN220641792U CN 220641792 U CN220641792 U CN 220641792U CN 202321916136 U CN202321916136 U CN 202321916136U CN 220641792 U CN220641792 U CN 220641792U
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- China
- Prior art keywords
- funnel
- bottom plate
- discharging
- blanking
- pulley
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- 239000000428 dust Substances 0.000 title claims abstract description 22
- 238000007599 discharging Methods 0.000 title claims description 50
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000007664 blowing Methods 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Landscapes
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
A device capable of reducing dust overflow of a blanking funnel to the outside belongs to the technical field of belt conveyor equipment and is used for reducing the dust overflow of the blanking funnel to the outside. The technical proposal is as follows: the periphery of funnel bottom plate and the lower extreme welded connection of unloading funnel, there is square feed opening on the face of funnel bottom plate, the blowing turns over the board and installs at the feed opening through the pivot, the blowing turns over to cover the feed opening from the below, there is the pulley hole on the funnel wall of funnel bottom plate top, the fixed pulley is placed in the pulley hole, the shaft of fixed pulley and the funnel wall fixed connection of pulley hole both sides, the circumference of fixed pulley is located the outside and the inboard of funnel wall respectively, the up end of blowing turns over the board is connected with the one end of stay cord, the other end of stay cord passes the fixed pulley and is connected with the weight, the weight is located the outside free whereabouts of unloading funnel. The utility model has simple structure and strong practicability, solves the problem that the materials overflow dust from the hopper to the outside under the influence of wind power powder selecting airflow, protects the environment and reduces the economic loss caused by the overflow of the dust.
Description
Technical Field
The utility model relates to a device capable of reducing dust overflow of a blanking funnel outwards under the action of ascending air flow, and belongs to the technical field of belt conveyor equipment.
Background
The belt conveyor is a widely used material conveying device for industrial and mining enterprises, ports, railways and the like. Belt conveyors often use hoppers for converting the material being fed during transport of the bulk material. In the production of machine-made sand, the production of a lot of powder adopts wind power to carry out the size fraction selection, at this moment the funnel all is in open state in unloading in-process and unloading back, and the wind-force powder selection air current of funnel below will have partial air current to flow upwards through the funnel when flowing, and the fine powder of rising air current can drive the funnel below when flowing upwards and upwards move along the funnel, produces the dust phenomenon of overflowing, and the dust is excessive and has not only polluted the environment, has caused the economic loss of enterprise moreover, needs to solve urgently.
Disclosure of Invention
The utility model aims to solve the problem of providing a device capable of reducing dust overflow from a blanking funnel to the outside, which can be opened during blanking and automatically closed after blanking, so that dust overflow from the funnel to the outside is prevented from occurring under the influence of air flow below the funnel after blanking.
The technical scheme for solving the technical problems is as follows:
the utility model provides a device that can reduce unloading funnel outwards spills dirt, it includes unloading funnel, lower part feed bin, the lower extreme of unloading funnel is connected with the upper end of lower part feed bin, it has increased the funnel bottom plate, the unloading turns over the board, the pivot, the fixed pulley, the stay cord, the weight, the funnel bottom plate level is placed, the periphery of funnel bottom plate and the lower extreme welded connection of unloading funnel, there is square feed opening on the face of funnel bottom plate, the unloading turns over the board and installs at the feed opening through the pivot, there is the pulley hole on the funnel wall of funnel bottom plate top, the fixed pulley is placed in the pulley hole, the shaft of fixed pulley and the funnel wall fixed connection of pulley hole both sides, the circumference of fixed pulley is located the outside and the inboard of funnel wall respectively, the up end of unloading turns over the board is connected with the one end of stay cord, the other end of stay cord passes the fixed pulley and is connected with the weight, the weight is located the outside free whereabouts of unloading funnel.
Above-mentioned device that can reduce unloading funnel outwards spills dirt, the blowing turns over the below that is located the feed opening of funnel bottom plate, and one side that the blowing turns over the board is connected by the pivot with one side of feed opening, and the area that the blowing turns over the board face is greater than the area of feed opening, and the blowing turns over the board and shields the feed opening from the below of feed opening.
The device capable of reducing the dust overflow of the discharging funnel, wherein the position of the pulley hole on the funnel wall of the discharging funnel is more than 1/2 of the height of the funnel wall.
Above-mentioned device that can reduce unloading funnel to excessive dirt, the weight of a plurality of weight is unequal, and the weight of weight matches with the weight of the material of depositing in the unloading funnel, changes the weight of different weights according to the quality and the blowing frequency of material in the use.
The beneficial effects of the utility model are as follows:
the discharging turning plate can rotate through the rotating shaft, and during discharging, the material can be discharged through the discharging turning plate, and after discharging is finished, the discharging turning plate seals a discharging opening to prevent dust from overflowing; the weight pulls up the discharging turning plate through the pull rope to realize the sealing of the discharging opening of the bottom plate of the hopper, and when the weight of the material in the discharging hopper is greater than that of the weight, the weight of the material overcomes the gravity of the weight to open the discharging turning plate downwards to finish discharging; the heavy weights with different weights can be replaced according to the mass of the materials and the discharging frequency in use.
The automatic dust collecting device is simple in structure, convenient to use, easy to adjust and high in practicability, can be opened during discharging, is automatically closed after discharging, solves the problem that dust overflows from a funnel to the outside under the influence of wind power powder selecting airflow below the funnel after discharging, protects the environment and reduces economic loss caused by dust overflow.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic installation of a discharge flap;
fig. 3 is a schematic view of the installation of the fixed sheave.
The figures are labeled as follows: the blanking hopper 1, the lower bin 2, the hopper bottom plate 3, the blanking mouth 4, the blanking turning plate 5, the rotating shaft 6, the pulley hole 7, the fixed pulley 8, the pull rope 9, the heavy hammer 10, the material 11 and the air flow 12.
Description of the embodiments
The utility model consists of a funnel bottom plate 3, a discharging turning plate 5, a rotating shaft 6, a pulley hole 7, a fixed pulley 8, a pull rope 9 and a heavy hammer 10.
In the figure, the lower end of a blanking funnel 1 is connected with the upper end of a lower bin 2, a funnel bottom plate 3 is horizontally arranged, and the periphery of the funnel bottom plate 3 is welded with the lower end of the blanking funnel 1.
In the figure, a square blanking opening 4 is arranged on the surface of the funnel bottom plate 3, and a blanking turning plate 5 is arranged on the blanking opening 4 through a rotating shaft 6. The discharging turning plate 5 is positioned below the discharging opening 4, and one side of the discharging turning plate 5 is connected with one side of the discharging opening 4 through a rotating shaft 6. The area of the face of the discharging turning plate 5 is larger than that of the discharging opening 4, when the discharging turning plate 5 rotates upwards to a horizontal position, the discharging opening 4 can be closed from the lower part of the discharging opening 4, and when the discharging turning plate 5 rotates downwards to a vertical position, the material 11 can fall from the discharging opening 4.
The rotation of the discharging turning plate 5 is controlled by a fixed pulley 8, a pull rope 9 and a heavy hammer 10. The upper surface of blowing turns over board 5 has the couple, the lower extreme of stay cord 9 is tethered on the couple, there is pulley hole 7 on the funnel wall of funnel bottom plate 3 top, fixed pulley 8 is placed in pulley hole 7, the shaft of fixed pulley 8 and the funnel wall fixed connection of pulley hole 7 both sides, the circumference of fixed pulley 8 is located the outside and the inboard of funnel wall respectively, the other end of stay cord 9 passes fixed pulley 8 and is connected with weight 10, weight 10 is located the outside free whereabouts of unloading funnel 1, weight 10 can upwards pull up through fixed pulley 8 and stay cord 9 and blow up board 5, the feed opening 4 with funnel bottom plate 3 is sealed, avoid the emergence of dust overflow.
The position of the pulley hole 7 on the funnel wall of the blanking funnel 1 is shown to be more than 1/2 of the height of the funnel wall, so that the possibility that the material 11 is scattered from the pulley hole 7 when being piled up in the blanking funnel 1 can be reduced, and the probability that the material 11 is blocked in the pulley hole 7 by the fixed pulley 8 can be reduced.
In the figure, there are a plurality of heavy weights 10, the weights of the heavy weights 10 are different, the weight of the heavy weights 10 is matched with the weight of the material 11 stored in the blanking funnel 1, and the heavy weights 10 with different weights are replaced according to the mass of the material 11 and the blanking frequency in use.
The working process of the utility model is as follows:
in the process that the belt conveyor conveys the materials 11 to the blanking funnel 1 for blanking, when the materials 11 in the blanking funnel 1 are less, the heavy hammer 10 pulls up the blanking turning plate 5 through the fixed pulley 8 and the pull rope 9, the blanking turning plate 5 seals the blanking opening 4 from the lower part of the blanking opening 4 of the funnel bottom plate 3, the materials 11 cannot be blanked, meanwhile, the air flow 12 below the funnel bottom plate 3 cannot rise to enter the blanking funnel 1, and the materials 11 in the lower bin 2 cannot overflow outwards from the blanking funnel 1, so that dust overflow is avoided;
when the materials 11 in the blanking funnel 1 are piled up to reach the expected weight, and when the gravity of the materials 11 exceeds the tensile force given by the heavy hammer 10, the materials 11 press the blanking turning plate 5 below from the blanking opening 4, the blanking turning plate 5 rotates downwards to a vertical position, the materials 11 can fall from the blanking opening 4, and the blanking funnel 1 performs centralized blanking;
after discharging, under the action of the pull force of the heavy hammer 10, the discharging turning plate 5 is pulled upwards to quickly restore the discharging opening 2 of the funnel bottom plate 3 to a sealing state, so that dust overflow of the discharging funnel 1 due to long-term opening of the discharging opening is avoided;
the sealing and single discharging amount of the whole device are all determined by the gravity of the heavy hammer 10, so that the discharging frequency and sealing pressure can be quickly adjusted by changing the specification of the heavy hammer 10.
One embodiment of the utility model is as follows:
the length of the funnel bottom plate 3 is 350mm, and the width is 350mm;
the length of the feed opening 4 is 800mm, and the width is 800mm;
the length of the discharging turning plate 5 is 400mm, and the width is 400mm;
the diameter of the rotating shaft 6 is 15mm, and the length is 1000mm;
the length of the pulley hole 7 is 120mm, and the width is 50mm;
the diameter of the fixed pulley 8 is 100mm, and the thickness is 30mm;
the diameter of the pull rope 9 is 10mm, and the length is 2000mm;
the weight of the weight 10 was 10kg.
Claims (4)
1. The utility model provides a device that can reduce unloading funnel to excessive dirt, it includes unloading funnel (1), lower part feed bin (2), and the lower extreme of unloading funnel (1) is connected its characterized in that with the upper end of lower part feed bin (2): it has increased funnel bottom plate (3), blowing turns over board (5), pivot (6), fixed pulley (8), stay cord (9), weight (10), funnel bottom plate (3) horizontal placement, the periphery of funnel bottom plate (3) is connected with the lower extreme welded connection of unloading funnel (1), there is square feed opening (4) on the face of funnel bottom plate (3), blowing turns over board (5) and installs at feed opening (4) through pivot (6), there is pulley hole (7) on the funnel wall of funnel bottom plate (3) top, fixed pulley (8) are placed in pulley hole (7), the shaft of fixed pulley (8) is located the outside and the inboard of funnel wall fixed connection of pulley hole (7) both sides respectively, the up end of blowing turns over board (5) is connected with the one end of stay cord (9), the other end of stay cord (9) is passed fixed pulley (8) and is connected with weight (10), weight (10) are located the outside free whereabouts of unloading funnel (1).
2. The device for reducing dust overflow of a blanking funnel according to claim 1, wherein: the discharging turning plate (5) is located below the discharging opening (4) of the funnel bottom plate (3), one side of the discharging turning plate (5) is connected with one side of the discharging opening (4) through a rotating shaft (6), the plate surface area of the discharging turning plate (5) is larger than the area of the discharging opening (4), and the discharging turning plate (5) shields the discharging opening (4) from the below of the discharging opening (4).
3. The device for reducing dust overflow of a blanking funnel according to claim 1, wherein: the position of the pulley hole (7) on the funnel wall of the blanking funnel (1) is more than 1/2 of the height of the funnel wall.
4. The device for reducing dust overflow of a blanking funnel according to claim 1, wherein: the weight of the heavy hammer (10) is matched with the weight of the materials stored in the blanking funnel (1), and the heavy hammers (10) with different weights are replaced according to the quality and the discharging frequency of the materials in use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321916136.8U CN220641792U (en) | 2023-07-20 | 2023-07-20 | Device capable of reducing dust overflow of discharging hopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321916136.8U CN220641792U (en) | 2023-07-20 | 2023-07-20 | Device capable of reducing dust overflow of discharging hopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220641792U true CN220641792U (en) | 2024-03-22 |
Family
ID=90270534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321916136.8U Active CN220641792U (en) | 2023-07-20 | 2023-07-20 | Device capable of reducing dust overflow of discharging hopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220641792U (en) |
-
2023
- 2023-07-20 CN CN202321916136.8U patent/CN220641792U/en active Active
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