CN215557257U

CN215557257U - Prevent stifled discharge bin

Info

Publication number: CN215557257U
Application number: CN202122361246.XU
Authority: CN
Inventors: 赵海青; 孙进科; 孙昊男; 尤嘉洋; 李安永; 郝成喜; 刘德海; 高海燕
Original assignee: Zhangjiakou Chuangxin Machinery Technology Co ltd
Current assignee: Zhangjiakou Chuangxin Machinery Technology Co ltd
Priority date: 2021-07-30
Filing date: 2021-09-28
Publication date: 2022-01-18
Anticipated expiration: 2031-09-28
Also published as: CN113716349A

Abstract

The utility model relates to the technical field of agricultural machinery equipment, in particular to an anti-blocking discharging bin. In the common air suction type collecting equipment for crops such as grains, the problems that the normal discharging is influenced due to the blockage of a filter screen and the like exist. The technical scheme of the utility model comprises a separation bin, a rotary filter screen and an air-tight discharging mechanism; the upper section of the separation bin is provided with a feed inlet and an air outlet, and the bottom of the separation bin is provided with a discharge outlet, so that an airflow passage from the feed inlet to the air outlet and a material passage from the feed inlet to the discharge outlet are formed in the bin; the rotary filter screen is rotatably assembled in the separation bin and is positioned on the air flow path or the air outlet; the discharge port is provided with an air-closed type discharging mechanism. The device is installed on a material pipeline of air-suction type collecting equipment such as grains or feeds, the structure is simple and reasonable, the filter screen roller rotates to change the windward angle in the process of absorbing materials, the mesh blockage is effectively avoided, and the problems of the prior product such as the interruption of discharging caused by the blockage of the filter screen and the like are solved.

Description

Prevent stifled discharge bin

Technical Field

The utility model relates to the technical field of agricultural machinery equipment, in particular to an anti-blocking discharging bin.

Background

During the collection and processing of the lump or granular materials, the materials are often required to be lifted to a high degree, such as processing, airing or collection and storage of grains, feeds and the like. At present, most of common lifting equipment mainly adopts an air suction type structure design, materials such as grains and feed are sucked up through a material suction pipe and conveyed to storage or processing equipment, and therefore the operation efficiency is improved. In the actual use process, in order to remove part of dust or slag mixed in the material, a filter screen is usually arranged in a material conveying channel of the equipment to separate the material from the dust, and the filter screen is an important part for ensuring the normal work of the equipment, not only blocking the material from overflowing, but also ensuring the rapid passing of air flow; however, under the action of high-speed airflow, the meshes of the filter screen are easy to be blocked by sundries or dust, so that the suction force of the equipment is reduced, particularly when the lifting material contains more floccules, the blockage phenomenon is obvious, the filter screen is often stopped and cleaned halfway, and the low working efficiency is greatly reduced.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides an anti-blocking discharging bin which is arranged in a material suction channel of air suction type collecting equipment, and a rotatable filtering mechanism is used as a separating mechanism for materials and dust, so that the materials and the dust are ensured to be quickly separated, meanwhile, sundries are effectively prevented from blocking meshes, and the problem of low operation efficiency of the existing equipment is solved.

An anti-blocking discharging bin: comprises a separation bin, a rotary filter screen and an air-closed discharging mechanism;

the upper section of the separation bin is provided with a feed inlet and an air outlet, and the bottom of the separation bin is provided with a discharge outlet, so that an airflow passage from the feed inlet to the air outlet and a material passage from the feed inlet to the discharge outlet are formed in the bin;

the rotary filter screen is rotatably assembled in the separation bin and positioned on the air flow path, or the rotary filter screen is arranged at the opening of the air outlet;

and a discharge port of the separation bin is provided with an air-closed type discharging mechanism.

Furthermore, the structure of the air-tight type discharging mechanism comprises a material accumulation bin and an air-tight plate which are vertically arranged, the upper port of the material accumulation bin is connected with the discharge port of the separation bin, and the air-tight plate can be assembled at the lower port of the material accumulation bin in an opening and closing manner.

Furthermore, the air-closed type discharging mechanism is a star-shaped valve discharger.

Furthermore, a guide plate for guiding the materials to flow downwards to the discharge hole is arranged in the separation bin, the space in the separation bin is divided into a front bin and a rear bin by the guide plate, the feed inlet and the discharge hole of the separation bin are positioned on one side of the front bin of the bin body, and the exhaust outlet is positioned on one side of the rear bin of the bin body; a flow guide port communicated with the front bin and the rear bin is formed between the tail end of the guide plate and the bin wall of the separation bin.

Furthermore, the rotary filter screen structure is a hollow cylindrical roller body, and the circumferential surface of the roller body is a cylindrical filter screen.

Furthermore, the rotary filter screen is a rolling screen with a star-shaped section, and the rolling screen structure consists of a plurality of meshes which surround the shaft of the rotary filter screen and are fixed on the shaft in a radial shape, so that a plurality of fan-shaped spaces surrounding the shaft are formed among the meshes; the opening of the airflow passage or the air outlet is provided with an arc-shaped baffle which is matched with the edge of the net piece to prevent the overflow of materials and sundries.

Furthermore, the rotary filter screen is internally provided with at least one group of wind wheels rotating along with the rotary filter screen.

Furthermore, the wind wheel is connected with the rotary filter screen integrally.

Furthermore, the wind wheel is connected with the rotary filter screen through a speed reducer; the speed reducer structure comprises a speed reducer box body, an outer shaft sleeve and a speed reduction gear set assembled in the speed reducer box body, wherein the speed reducer box body is fixedly connected to the separation bin body, the outer shaft sleeve is sleeved on a shaft of the rotary filter screen and can rotate around the shaft, and the wind wheel is fixedly connected with the outer shaft sleeve; the outer shaft sleeve is connected with the shaft of the rotary filter screen through a reduction gear set for transmission.

Furthermore, the reduction gear set consists of four gears, and the connection structure is as follows: the gear B and the gear C are coaxially assembled in the speed reducer box body through short shafts; the gear A and the gear D are coaxially arranged, the gear D is fixedly connected to a shaft of the rotary filter screen, and the gear A is fixedly connected with the outer shaft sleeve; gear a intermeshes with gear B and gear C intermeshes with gear D.

The utility model has the beneficial effects that:

the device is used for air-suction type material lifting or collecting equipment, and has a simple and reasonable structure; the device is arranged on an air duct or a material conveying pipeline of air suction type material lifting or collecting equipment, a rotary filter screen is used for separating materials from dust, the filter screen separates the materials in the rolling process, and dust and sand mixed in the filter screen pass through meshes and are discharged from an air outlet; the rotation action of the filter screen enables the filter screen surface to continuously change the windward angle in the air flow, ensures that the air flow and dust can quickly pass through, and simultaneously pulls down the materials impacting on the screen surface, so as to prevent the material blocks (particles) from being attached to the filter screen under the action of high-speed air flow; and because the filter screen face constantly rotates, make its tow sides receive the wind in turn repeatedly, avoided conventional filter screen face to receive the wind and made debris and dust store up and cause the mesh to block up in mesh one side, solved and lead to the problem of frequent shut down of main equipment because of clearing up the filter screen, improved work efficiency and the quality of the material of receiving by a wide margin.

The technical solution of the present invention will be described in detail below with reference to the accompanying drawings and the detailed description.

Drawings

FIG. 1 is a schematic structural view of example 1 of the present invention;

FIG. 2 is a schematic structural diagram of example 2 of the present invention;

FIG. 3 is a left side view of FIG. 2;

FIG. 4 is a schematic structural diagram of embodiment 3 of the present invention;

FIG. 5 is a schematic structural view of a speed reducer according to embodiment 4 of the present invention;

FIG. 6 is a schematic structural view of example 5 of the present invention;

fig. 7 is a schematic view of a rolling screen structure in embodiment 5 of the present invention.

Detailed Description

In the figure: 1-separation bin 1, 11-front bin, 12-rear bin, 13-diversion port, 101-feed port, 102-exhaust port, 103-discharge port, 2-shaft, 21-cylindrical filter screen, 22-mesh sheet, 23-arc baffle, 31-material accumulation bin, 32-air-lock plate, 4-guide plate, 5-star valve discharger, 51-shell, 52-star valve body, 6-wind wheel, 7-material pipe, 8-exhaust pipe, 9-speed reducer, 91-speed reducer box body, 92-outer shaft sleeve, 901-gear A, 902-gear B, 903-gear C and 904-gear D.

Example 1

As can be seen from FIG. 1, the technical scheme of the utility model comprises a separation bin 1, a rotary filter screen and a wind-closed type discharging mechanism;

the upper section of the separation bin 1 is provided with a feeding hole 101 and an exhaust hole 102, the bottom of the separation bin 1 is provided with a discharge hole 103, and the feeding hole 101, the exhaust hole 102 and the discharge hole 103 are distributed in an inverted 'article' shape, so that an air flow passage which ascends from the feeding hole 101 to the exhaust hole 102 and a material passage which descends from the feeding hole 101 to the discharge hole 103 are formed in the bin.

The discharge hole 103 of the separation bin 1 is provided with an air-closed type discharging mechanism; the structure of the air-tight discharging mechanism in this embodiment includes an accumulation chamber 31 and an air-tight plate 32 which are vertically arranged, the upper port of the accumulation chamber 31 is hermetically connected with the discharge port 103 of the separation chamber 1, and the air-tight plate 32 is openably assembled at the lower port of the accumulation chamber 31 through a hinge.

The rotary filter screen is rotatably assembled in the separation bin 1 through the shaft 2, and the rotary filter screen is arranged on an airflow passage between the feeding hole 101 and the air outlet 102 (namely, the passage which is necessary for the feeding hole to lead to the air outlet), or the rotary filter screen is arranged at the opening of the air outlet 102.

The rotary filter screen can adopt a hollow cylindrical roller structure, and the circumferential surface of the roller is a cylindrical filter screen 21.

As a preferred scheme, a guide plate 4 for guiding materials to flow to a discharge port is arranged in a bin body of the separation bin 1, the guide plate 4 divides the bin space of the separation bin 1 into a front bin 11 and a rear bin 12, a feed port 101 and a discharge port 103 of the separation bin are positioned on one side of the front bin 11 of the bin body, an exhaust port 102 is positioned on one side of the rear bin 12 of the bin body, a diversion port 13 is arranged between the tail end (the tail end and the upper and lower equal positions refer to the flow direction of the materials or figures in the text for convenience of description) of the guide plate 4 and the bin wall, the front bin 11 is communicated with the rear bin 12 through the diversion port 13, and the diversion port 13 is positioned below the exhaust port 102;

the rotary filter screen is arranged at the diversion port 13, the front bin and the rear bin can only be communicated through the filter screen, namely, the rotary filter screen is arranged on a necessary path for air flow flowing from the feeding port 101 to the exhaust port 102 (the rotary filter screen can also be arranged at the opening of the exhaust port 102).

The device is matched with conventional air suction type material lifting machines and other equipment for use, namely the device is connected into an air channel of the material lifting machines and other equipment, a feed inlet 101 of a separation bin is communicated with a material pipe 7 of the material lifting machine, an exhaust outlet 102 is connected with an exhaust pipe 8 of the material lifting machine, and under the air suction effect of the material lifting equipment, the internal pressure of the separation bin 1 is reduced, so that an air closing plate 32 at the lower port of a material accumulation bin 31 is closed, and the pressure difference between the inside and the outside of the bin is further increased;

after the material is sucked into the separation bin 1 from the feeding hole 101 along with the airflow, under the guide of the guide plate 4, the material and the airflow quickly move to the flow guide port 13 along the guide plate, dust, sand, slag and the like mixed in the material move upwards along with the airflow to pass through the cylindrical filter screen 21 (flow guide port 13) of the rotary filter screen, enter the rear bin 12 from the front bin 11 and flow out of the separation bin through the air outlet 102, and an airflow passage with a V-shaped broken line is formed; and the material is blocked and dialled by rotatory cylindric filter screen 21, and downstream passes discharge gate 103 and falls into long-pending feed bin 31, is relatively more gentle descending material route, makes material and air current can high-efficient, quick separation, and the effectual material that has avoided imbeds the mesh behind the high-speed direct impact wire side and causes the jam.

Along with the accumulation of the materials in the accumulation bin 31, the materials are pressed down under the action of gravity and overcome the pressure difference between the inside and the outside of the bin, and the air-lock plate 32 is pushed to open to release the materials; the airlock 32 is then again engaged and material lifting operation resumes. The pressure difference between the inside and outside of the bin, the gravity of the airlock and the like can also be set, so that the resultant force of the pressure in the bin, the material, the gravity of the airlock and the like is balanced, the airlock 32 is opened and kept at a certain opening, and the continuous discharging is realized.

The power device of the air suction type material conveying equipment connected with the device can be used for providing power for the rotary filter screen to drive the filter screen to rotate. In the rotation process of the rotary filter screen, because the cylindrical filter screen 21 continuously changes the windward angle in the airflow, the front surface and the back surface of the screen surface are repeatedly blown by high-speed gas of equipment such as a wind-suction material lifter in turn, materials, sundries and the like are difficult to store, and the problem of mesh blockage is effectively solved.

Example 2

As can be seen from fig. 2 to 3, the difference between this embodiment and embodiment 1 is that the air-lock type discharging mechanism is a star-type valve discharger 5, the structure of the star-type valve discharger 5 includes a housing 51 having an opening at the upper end and a lower end, and a middle section of the housing is in a horizontal cylindrical shape, and a star-shaped valve body 52 rotatably assembled in a cylindrical section of the housing, a main shaft of the star-shaped valve body 52 is arranged along a center line of the housing 51, a plurality of baffles are radially fixed on the main shaft, the valve body is divided into a plurality of sub-tanks having sector-shaped cross sections, and outer end edges of the baffles are attached to an inner wall of the cylindrical section of the housing 51 to play a role of air locking.

The main shaft of the star-shaped valve body 52 can be driven by a power device of air-suction type material lifting (collecting) equipment matched with the device, and the valve body is driven to rotate to uniformly distribute and release materials.

Other technical features of the present embodiment are the same as those of embodiment 1.

Example 3

As can be seen from fig. 4, the difference between this embodiment and embodiment 2 is that at least one set of wind wheels 6 for driving the rotary filter to rotate and rotating with the filter is installed inside the rotary filter; in this embodiment, the wind wheel 6 is integrally connected with the rotary filter screen, when a main device (i.e. a wind suction type material conveying device connected with the device, such as a material elevator) is started, and gas flows through a material pipe 7, high-speed gas flow enters the separation bin 1 from a feed inlet 101 and flows to an exhaust pipe 8 through an exhaust outlet 102, and when the gas flow passes through a cylindrical filter screen 21 of the rotary filter screen, the wind wheel 6 is blown to rotate and drives the filter screen to rotate, so that the self-rotation of the filter screen is realized; this configuration eliminates the need for external power input as compared to embodiment 2.

Other technical features of this embodiment are the same as those of embodiment 2.

Example 4

The difference between the embodiment and the embodiment 3 is that the wind wheel 6 is connected with the rotary filter screen through a speed reducer 9, the rotating speed of the filter screen is reduced through the speed reducer (see fig. 5), and the speed reducer structure comprises a speed reducer box 91, an outer shaft sleeve 92 and a speed reduction gear set assembled in the speed reducer box; the speed reducer box 91 is fixedly connected with the separation bin 1, the outer shaft sleeve 92 is sleeved on the shaft 2 of the rotary filter screen and can rotate around the shaft, the wind wheel 6 is fixedly connected on the outer shaft sleeve 92, and the wind wheel is positioned in the cylindrical filter screen 21 of the filter screen roller;

the reduction gear set consists of four gears, wherein a gear B902 and a gear C903 are coaxially assembled in the reducer case 91 through short shafts and synchronously rotate; the gear A901 and the gear D904 are coaxially arranged, the tail section of the shaft 2 of the rotary filter screen extends into the reducer box body 91, the gear A901 is sleeved on the shaft 2 and fixedly connected with the outer shaft sleeve 92, and the wind wheel 6 and the gear A901 rotate synchronously with the outer shaft sleeve; the gear D904 is fixedly connected to the shaft 2 of the rotary filter screen and rotates synchronously with the shaft 2; the gear A901 is meshed with the gear B902, and the gear C903 is meshed with the gear D904.

When the air current passes through the cylindrical filter screen 21 of the rotary filter screen, the blowing wind wheel 6 drives the outer shaft sleeve 92 and the gear A to rotate around the shaft 2, and power is transmitted between the gear A and the gear D through the gear B and the gear C to realize speed reduction, so that the rotating speed of the rotary filter screen is reduced, and the excessive rotation of the rotary filter screen is avoided.

Other technical features of this embodiment are the same as those of embodiment 3.

Example 5

As can be seen from fig. 6 to 7, the difference between the present embodiment and embodiment 2 is that the rotary filter screen is a rolling screen with a star-shaped cross section, the rolling screen structure is composed of a plurality of meshes 22 surrounding the shaft 2 of the rotary filter screen and fixed on the shaft 2 in a radial shape, and a plurality of sector-shaped spaces surrounding the shaft 2 are formed between the meshes; an arc baffle 23 matched with the edge of the rotary filter screen is arranged on the air flow path from the feeding hole 101 to the exhaust hole 102 or the opening of the exhaust hole to prevent the materials and sundries from overflowing from the edge of the rotary filter screen.

The arc baffle of this embodiment is installed in the terminal water conservancy diversion mouth 13 department of guide plate 4, and the arc baffle cooperates with the net piece 22 free end of rotation type filter screen, blocks that debris etc. that flow through the filter screen from overflowing by the filter screen lateral part (the fan-shaped space of rotatory air current route lateral part promptly).

The structure is suitable for the operation of lifting materials with larger material blocks and more flocculent impurities (such as broken mulching films and the like), and the materials are guided by the guide plate 4 to fall downwards into the star-shaped valve discharger 5 below the discharge hole 103 under the action of inertia and gravity because the material blocks and the weight are relatively larger; the radial arrangement of the net sheets 22 is beneficial to the quick falling of flocculent impurities and the falling of materials mistakenly entering the fan-shaped space among the net sheets.

Finally, it should be noted that: the above embodiments are intended to illustrate rather than limit the technical solution of the present invention, and those skilled in the art should modify the embodiments or substitute part of the technical features without departing from the spirit of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims.

Claims

1. The utility model provides an anti-blocking discharging material silo which characterized in that: comprises a separation bin (1), a rotary filter screen and an air-tight discharging mechanism;

the upper section of the separation bin (1) is provided with a feeding hole (101) and an air outlet (102), the bottom of the separation bin (1) is provided with a discharging hole (103), so that an airflow passage from the feeding hole (101) to the air outlet (102) and a material passage from the feeding hole (101) to the discharging hole (103) are formed in the bin;

the rotary filter screen is rotatably assembled in the separation bin (1) and positioned on the air flow path, or the rotary filter screen is arranged at the opening of the air outlet (102);

and a discharge port (103) of the separation bin (1) is provided with an air-tight discharging mechanism.

2. The anti-clogging discharge bin as claimed in claim 1, wherein: the structure of the air-tight discharging mechanism comprises a material accumulation bin (31) and an air-tight plate (32), wherein the material accumulation bin (31) is vertically arranged, the upper port of the material accumulation bin (31) is connected with a discharge port (103) of the separation bin (1), and the air-tight plate (32) can be assembled at the lower port of the material accumulation bin (31) in an opening and closing manner.

3. The anti-clogging discharge bin as claimed in claim 1, wherein: the wind-closed type discharging mechanism is a star-shaped valve discharger (5).

4. The anti-clogging discharge bin as claimed in claim 1, wherein: a guide plate (4) for guiding the materials to flow downwards to the discharge hole is arranged in the separation bin (1), the space in the separation bin (1) is divided into a front bin (11) and a rear bin (12) by the guide plate (4), the feed inlet (101) and the discharge hole (103) of the separation bin (1) are positioned on one side of the front bin (11) of the bin body, and the exhaust outlet (102) is positioned on one side of the rear bin (12) of the bin body; a flow guide port (13) communicated with the front bin and the rear bin is formed between the tail end of the guide plate (4) and the bin wall of the separation bin.

5. The anti-clogging discharge bin as claimed in claim 1, wherein: the rotary filter screen structure is a hollow cylindrical roller body, and the circumferential surface of the roller body is a cylindrical filter screen (21).

6. The anti-clogging discharge bin as claimed in claim 1, wherein: the rotary filter screen is a rolling screen with a star-shaped section, the rolling screen structure is composed of a shaft (2) surrounding the rotary filter screen and a plurality of meshes (22) radially fixed on the shaft, and a plurality of fan-shaped spaces surrounding the shaft (2) are formed among the meshes; the opening of the air flow passage or the air outlet is provided with an arc-shaped baffle which is matched with the edge of the net piece to prevent materials and sundries from overflowing.

7. The anti-clogging discharge bin as claimed in claim 1, wherein: the interior of the rotary filter screen is at least provided with a group of wind wheels (6) rotating along with the rotary filter screen.

8. An anti-clogging discharge bin according to claim 7, characterized in that: the wind wheel (6) is integrally connected with the rotary filter screen.

9. An anti-clogging discharge bin according to claim 7, characterized in that: the wind wheel (6) is connected with the rotary filter screen through a reducer (9); the speed reducer structure comprises a speed reducer box body (91), an outer shaft sleeve (92) and a speed reduction gear set assembled in the speed reducer box body, wherein the speed reducer box body (91) is fixedly connected to the bin body of the separation bin (1), the outer shaft sleeve (92) is sleeved on a shaft (2) of the rotary filter screen and can rotate around the shaft, and the wind wheel is fixedly connected with the outer shaft sleeve; the outer shaft sleeve (92) is connected with the shaft (2) of the rotary filter screen through a reduction gear set for transmission.

10. An anti-clogging discharge bin according to claim 9, characterized in that: the reduction gear set consists of four gears, and the connection relationship is as follows: the gear B (902) and the gear C (903) are coaxially assembled in the reducer box body (91) through short shafts; the gear A (901) and the gear D (904) are coaxially arranged, the gear D (904) is fixedly connected to the shaft (2) of the rotary filter screen, and the gear A (901) is fixedly connected with the outer shaft sleeve (92); gear a (901) intermeshes with gear B (902), and gear C (903) intermeshes with gear D (904).