CN220032847U - Feed bin subassembly with clear material function - Google Patents

Abstract

The utility model provides a feed bin assembly with a material cleaning function. The feed bin subassembly includes feed bin, unloading pipe, clear material pipe and filter, and the feed bin has the discharge gate, and the unloading pipe is with the controllable intercommunication and the wall of discharge gate, and the one end of clear material pipe has first interface and second interface, and first interface and the controllable intercommunication and the wall of discharge gate, second interface are used for connecting the air supply, and the filter communicates with the other end of clear material pipe, and the filter has the bin outlet. The feed bin assembly with the material clearing function can discharge materials in the feed bin into the filter through the material clearing pipe to collect the materials, clear the materials in the feed bin and avoid discharging the materials into the blanking pipe.

Description

Feed bin subassembly with clear material function

Technical Field

The utility model relates to the technical field of bins, in particular to a bin assembly with a material cleaning function.

Background

The silo is used for storing and supplying materials, which is usually arranged at the front end of the mixer for a mixing process of the materials, such as a homogenization process of lithium batteries. In the homogenization process, the raw material requirements of different batches of products are different, and after the current product is processed, the residual raw materials in the storage bin are required to be replaced. The material in the material bin can be discharged by vibration by adopting a mode of arranging the vibration device, but the material is discharged into downstream mixing equipment through a discharging pipeline, so that the material changing requirement of a homogenizing process cannot be met.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the utility model provides a bin assembly with a material clearing function, which can discharge materials in a bin into a filter through a material clearing pipe for collection, so that the material clearing of the bin is realized, and the discharge of the materials into a blanking pipe is avoided.

The bin assembly with the material cleaning function comprises:

the storage bin is provided with a discharge hole;

the discharging pipe is controllably communicated and separated from the discharging hole;

the material cleaning pipe is provided with a first interface and a second interface at one end, the first interface is controllably communicated and separated from the discharge hole, and the second interface is used for connecting an air source;

the filter is communicated with the other end of the material cleaning pipe, and is provided with a material discharging port.

According to the feed bin assembly with the material clearing function, the discharge hole of the feed bin is controllably communicated with and separated from the material clearing pipe, so that materials in the feed bin are discharged into the material clearing pipe, meanwhile, the material clearing pipe is also used for being connected with an air source, so that the materials are discharged into the filter along the material clearing pipe through air flow for collection, the material clearing of the feed bin is realized, and the materials are prevented from being discharged into the blanking pipe.

In some embodiments, the bin assembly with purge function further comprises a suction apparatus, the bin having a suction port, the suction apparatus in communication with the suction port.

In some embodiments, the filter is in communication between the suction apparatus and the suction port.

In some embodiments, the bin assembly with a purge function further comprises a screw feeder, an inlet of the screw feeder is in communication with the discharge port, an outlet of the screw feeder is in controllable communication with and isolated from the blanking pipe, and an outlet of the screw feeder is in controllable communication with and isolated from the first interface.

In some embodiments, the screw feeder comprises a body having an interface for connecting to the air source and a first nozzle disposed in the interior cavity of the body and in communication with the interface.

In some embodiments, the bin assembly with a purge function further comprises a multi-way valve having a first valve port in communication with the outlet of the screw feeder, a second valve port in communication with the discharge tube, and a third valve port in communication with the first port.

In some embodiments, the bin assembly with purge function further comprises an air supply line connected between the air source and the second interface, the air supply line having a one-way valve and a pneumatic ball valve.

In some embodiments, the bin assembly with a purge function further comprises a vibrator provided on the bin for vibrating the bin.

In some embodiments, the bin assembly with the material cleaning function further comprises a second nozzle, wherein the second nozzle is arranged on the bin and is used for being connected with the air source, so that the second nozzle sprays air flow to the inner wall surface of the bin.

In some embodiments, the bin assembly with the purge function further comprises a scale on which the bin is disposed.

Drawings

Fig. 1 is a schematic structural view of a bin assembly with a purging function according to an embodiment of the present utility model.

Reference numerals:

1. a storage bin; 101. a discharge port; 102. a suction port; 2. discharging pipes; 3. a material cleaning pipe; 31. a first interface; 32. a second interface; 4. a filter; 5. a suction device; 6. a screw feeder; 61. an air path interface; 7. a first multi-way valve; 8. an air supply line; 9. a vibrator; 10. a second nozzle; 11. a weighing device; 12. and a receiving container.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

A silo assembly having a purge function according to an embodiment of the utility model is described below with reference to fig. 1.

As shown in fig. 1, a bin assembly with a material cleaning function according to an embodiment of the present utility model includes a bin 1, a blanking pipe 2, a material cleaning pipe 3, and a filter 4.

The silo 1 has a discharge opening 101. The blanking pipe 2 is controllably communicated with and separated from the discharging hole 101. One end of the material cleaning pipe 3 is provided with a first interface 31 and a second interface 32, the first interface 31 is controllably communicated and separated from the discharge hole 101, and the second interface 32 is used for connecting an air source. The filter 4 is communicated with the other end of the material cleaning pipe 3, and the filter 4 is provided with a material outlet.

Specifically, as shown in fig. 1, the lower end of the bin 1 is conical, the bottom of the bin 1 is provided with a discharge hole 101, and powder materials in the bin 1 can be discharged from the discharge hole 101 under the action of gravity.

The left end of clear material pipe 3 is equipped with first interface 31 and second interface 32, and discharge gate 101 links to each other with the first interface 31 of unloading pipe 2 and clear material pipe 3 simultaneously, and discharge gate 101 and unloading pipe 2 controllable intercommunication and cut off, and discharge gate 101 also with first interface 31 controllable intercommunication and cut off, when the feed bin subassembly uses, can make discharge gate 101 and unloading pipe 2 intercommunication, and cuts off with first interface 31, still can make discharge gate 101 and first interface 31 intercommunication, and cuts off with unloading pipe 2.

The second interface 32 is used for connecting an air source to enable the air source to supply air flow into the material cleaning pipe 3, so that the air flow carries materials in the material cleaning pipe 3 to move from the left end to the right end of the material cleaning pipe 3.

The right end of the clear material pipe 3 is communicated with the filter 4 so as to collect the material discharged by the clear material pipe 3 through the filter 4, a discharge hole is formed in the bottom of the filter 4, and the material collected by the filter 4 can be discharged from the discharge hole for moving and storing.

Preferably, the discharge opening of the filter 4 is provided with a manual butterfly valve, so that the opening and closing of the discharge opening can be controlled by the manual butterfly valve.

When the bin assembly is subjected to homogenization process, the discharge port 101 is communicated with the blanking pipe 2 and is isolated from the first interface 31, and at the moment, materials in the bin 1 are discharged into downstream mixing equipment through the blanking pipe 2 for mixing.

When the homogenization process is finished and the material in the storage bin 1 needs to be emptied, the discharge port 101 is communicated with the first interface 31 and is separated from the blanking pipe 2, at the moment, the material in the storage bin 1 is discharged into the material cleaning pipe 3, the material in the air enters the filter 4 under the driving of the air flow, is collected under the filtering action of the filter 4, is discharged into the receiving container 12 from the discharge port, and is moved and stored through the receiving container 12 so as to be convenient for being utilized when the material with the composition needs to be used. The air filtered in the filter 4 is discharged out of the filter 4. Thereby realizing the collection of the materials, avoiding the waste of the materials, and simultaneously avoiding the risks of air pollution and dust explosion caused by the discharge of the materials along with the air.

According to the feed bin assembly with the material clearing function, the discharge hole of the feed bin is controllably communicated with and separated from the material clearing pipe, so that materials in the feed bin are discharged into the material clearing pipe, meanwhile, the material clearing pipe is also used for being connected with an air source, so that the materials are discharged into the filter along the material clearing pipe through air flow for collection, the material clearing of the feed bin is realized, and the materials are prevented from being discharged into the blanking pipe.

It is understood that the bin assembly with the material cleaning function in the embodiment of the utility model is not limited to being applied to a homogenization process of a lithium battery, and can be applied to other fields of material storage and supply.

In some embodiments, the bin assembly with a purge function according to embodiments of the utility model further comprises a suction device 5, the bin 1 having a suction opening 102, the suction device 5 being in communication with the suction opening 102.

As shown in fig. 1, the bin 1 is a closed bin body, a suction port 102 is arranged at the top of the bin 1, and the suction device 5 is communicated with the suction port 102. During the process of supplying materials into the bin 1 and discharging the materials from the discharge hole 101, dust is generated in the bin 1, the dust automatically deposits for a long time, the suction equipment 5 can generate negative pressure vacuum suction, so that the dust floating in the bin 1 is sucked out from the suction hole 102, and the situation that the materials in the bin 1 remain in the air in the bin 1 in the form of dust after the materials in the bin 1 are discharged from the discharge hole 101 is avoided. Preferably, the suction device 5 is a negative pressure power unit, and the pipeline between the suction device 5 and the suction port 102 is a vacuum pipeline.

It will be appreciated that the suction apparatus is not limited to a negative pressure power pack and in other embodiments the suction apparatus is a fan.

It will be appreciated that the cartridge assembly is not limited to having a suction device, and in other embodiments the cartridge is an open-top cartridge body, in which case the suction device need not be provided.

In some embodiments, the filter 4 communicates between the suction device 5 and the suction port 102.

As shown in fig. 1, the suction port 102 is provided with a first pipe which communicates with the filter 4, and the suction device 5 is provided with a second pipe which communicates with the filter 4, so that the suction port 102 and the suction device 5 communicate indirectly through the filter 4. Preferably, one end of the filter 4 is provided with a second multi-way valve, one valve port of the second multi-way valve is communicated with the first pipeline, the other valve port of the second multi-way valve is communicated with the right end of the material cleaning pipe 3, the other end of the filter 4 is communicated with the second pipeline, and a filter element is arranged between the two ends of the filter 4.

The negative pressure vacuum suction generated by the suction equipment 5 is transmitted to the suction port 102 through the filter 4, dust sucked out from the suction port 102 enters the filter 4, and because the filter element is positioned between two ends of the filter 4, the dust enters the filter 4 through the first pipeline and can be trapped by the filter element of the filter element in the process of moving to the second pipeline in the filter 4, so that dust-shaped materials are collected, the waste of the materials is avoided, and meanwhile, the risks of air pollution and dust explosion caused by the direct discharge of the materials are also avoided.

Meanwhile, the negative pressure vacuum suction generated by the suction device 5 can be transmitted to the material cleaning pipe 3 through the filter 4 to assist the materials in the material cleaning pipe 3 to enter the filter 4, so that the materials discharged to the filter 4 by the material cleaning pipe 3 are captured by the filter element, and the filtered air enters the suction device 5 and is discharged.

In some embodiments, the bin assembly with a purge function according to the embodiments of the present utility model further includes a screw feeder 6, an inlet of the screw feeder 6 is in communication with the discharge port 101, an outlet of the screw feeder 6 is in controllable communication with and isolated from the blanking pipe 2, and an outlet of the screw feeder 6 is in controllable communication with and isolated from the first interface 31.

As shown in fig. 1, the screw feeder 6 is arranged at the downstream of the stock bin 1, the inlet of the screw feeder 6 is communicated with the discharge port 101, so that the material discharged from the discharge port 101 enters the screw feeder 6, the outlet of the screw feeder 6 is simultaneously connected with the first interfaces 31 of the blanking pipe 2 and the cleaning pipe 3, the outlet of the screw feeder 6 is controllably communicated with and separated from the blanking pipe 2, and the outlet of the screw feeder 6 is also controllably communicated with and separated from the first interfaces 31.

When the bin assembly is processed by the homogenization process, the outlet of the screw feeder 6 is communicated with the blanking pipe 2 and is separated from the first connector 31, at the moment, the screw feeder 6 plays a role in feeding the blanking pipe 2, and the materials in the bin 1 enter the screw feeder 6 and are supplied to the blanking pipe 2 under the driving of the screw feeder 6 to be further supplied to downstream mixing equipment for mixing.

When the homogenization process is finished and the materials in the storage bin 1 need to be emptied, the outlet of the screw feeder 6 is communicated with the first interface 31 and is separated from the blanking pipe 2, at the moment, the screw feeder 6 plays a role in feeding the material cleaning pipe 3, the materials in the storage bin 1 enter the screw feeder 6 and are supplied to the material cleaning pipe 3 under the driving of the screw feeder 6, and then enter the filter 4 under the driving of air flow.

Preferably, the outlet of the screw feeder 6 is also provided with a pneumatic butterfly valve, so that the opening and closing of the outlet of the screw feeder 6 can be controlled by the pneumatic butterfly valve.

In some embodiments, the screw feeder 6 comprises a body and a first nozzle, the body has a gas path interface 61, the gas path interface 61 is used for connecting a gas source, the first nozzle is arranged in an inner cavity of the body, and the first nozzle is communicated with the gas path interface 61.

As shown in fig. 1, two air passage interfaces 61 are provided on the machine body of the screw feeder 6, a plurality of first spray heads are provided in the inner cavity of the machine body, the first spray heads are communicated with the air passage interfaces 61, the air passage interfaces 61 are used for connecting an air source through pipelines, so that air of the air source is supplied to the first spray heads through the air passage interfaces 61 and sprayed out from the first spray heads, the spray opening direction of one part of the first spray heads is arranged towards the inner wall surface of the machine body, and the spray opening direction of the other part of the first spray heads is arranged towards the screw blades in the machine body.

When the material passes through the screw feeder 6, part of the material is attached to the inner wall surface of the machine body and the screw blade, and gas sprayed from the first spray head acts on the inner wall surface of the machine body and the screw blade to separate the attached material from the screw blade, and the attached material is discharged into the material cleaning pipe 3 in the material cleaning process, so that the material cleaning of the screw feeder 6 is realized, the material in the storage bin 1 is prevented from being polluted by the attached material when passing through the screw feeder 6 after being replaced, and the yield after the material replacement is influenced.

In some embodiments, the bin assembly with a purge function according to the embodiments of the present utility model further includes a first multi-way valve 7, where the first multi-way valve 7 has a first valve port, a second valve port, and a third valve port, the first valve port is in communication with the outlet of the screw feeder 6, the second valve port is in communication with the blanking tube 2, and the third valve port is in communication with the first port 31.

As shown in fig. 1, the first multi-way valve 7 has a first valve port, a second valve port and a third valve port, the first valve port is located at the top end of the first multi-way valve 7 and is communicated with the outlet of the screw feeder 6, the second valve port is located at the lower end of the first multi-way valve 7 and is communicated with the discharging pipe 2, the third valve port is communicated with the first port 31, and the third valve port and the first port 31 extend from top to bottom and are obliquely arranged along the flow direction of the air flow in the material cleaning pipe 3.

The opening and closing of the second valve port of the first multi-way valve 7 realizes the controlled communication and the separation of the outlet of the screw feeder 6 and the blanking pipe 2, and the opening and the closing of the third valve port of the first multi-way valve 7 realizes the controlled communication and the separation of the outlet of the screw feeder 6 and the first interface 31.

The third valve port and the first interface 31 extend from top to bottom and are obliquely arranged along the flow direction of the air flow in the material cleaning pipe 3, so that the material discharged from the third valve port into the material cleaning pipe 3 can be prevented from accumulating, the material can enter the material cleaning pipe 3 as much as possible, the material is conveniently taken away by the air flow in the material cleaning pipe 3, and the air flow in the material cleaning pipe 3 is prevented from blowing the material back into the third valve port.

It will be appreciated that the screw feeder, the blanking tube and the purge tube are not limited to being connected by a first multi-way valve, and in other embodiments, the screw feeder, the blanking tube and the purge tube are connected by a tee, and the blanking tube and the purge tube are each provided with an independent valve.

In some embodiments, the bin assembly with purge function of the embodiment of the utility model further comprises an air supply line 8, the air supply line 8 being connected between the air supply and the second interface 32, the air supply line 8 having a one-way valve 81 and a pneumatic ball valve 82.

As shown in fig. 1, the left end of the second connector 32 is provided with a gas supply pipeline 8, so that a gas source and the second connector 32 are indirectly communicated through the gas supply pipeline 8, and pressure gas or compressed gas generated by the gas source is supplied into the material cleaning pipe 3, so that materials in the material cleaning pipe 3 are driven to enter the filter 4. The air supply line 8 has a one-way valve 81 and a pneumatic ball valve 82. The check valve 81 can avoid the air flow in the air supply pipeline 8 and the material cleaning pipe 3 from flowing reversely, so as to avoid the material in the material cleaning pipe 3 from entering the air supply pipeline 8, thereby leading to the pollution of the current material to the previous material in the air supply pipeline 8 in the material cleaning process. The pneumatic ball valve 82 is used for controlling the opening and closing of the air supply pipeline 8 and the air flow rate.

In some embodiments, the bin assembly with the material cleaning function according to the embodiment of the utility model further comprises a vibrator 9, wherein the vibrator 9 is arranged on the bin 1, and the vibrator 9 is used for vibrating the bin 1.

As shown in fig. 1, a vibrator 9 is provided on the outer wall surface of the bin 1, the vibrator 9 is preferably a vibration motor, and the bin 1 is vibrated by the vibrator 9 to separate materials attached to the bin wall of the bin 1, so that the materials are prevented from being left.

In some embodiments, the bin assembly with a material cleaning function according to the embodiments of the present utility model further includes a second nozzle 10, where the second nozzle 10 is disposed on the bin 1, and the second nozzle 10 is used to connect to a gas source, so that the second nozzle 10 ejects a gas flow to an inner wall surface of the bin 1.

As shown in fig. 1, the second nozzle 10 is disposed on a wall of the bin 1, a joint of the second nozzle 10 is disposed outside the bin 1 and is used for connecting an air source through a pipeline, a nozzle of the second nozzle 10 is disposed in the bin 1, and the nozzle of the second nozzle 10 is disposed towards an inner wall surface of the bin 1 so as to spray air flow to the inner wall surface of the bin 1, and materials attached to the wall of the bin 1 are separated through the air flow, so that the materials are prevented from being left. Preferably, the second nozzle 10 is a fluidization air dish.

In some embodiments, the bin assembly with the material cleaning function according to the embodiment of the utility model further comprises a weighing device 11, and the bin 1 is arranged on the weighing device 11.

As shown in fig. 1, the outer wall surface of the storage bin 1 is provided with a plurality of supports, the supports are circumferentially arranged around the storage bin 1 or a plurality of supports are circumferentially arranged at intervals along the storage bin 1, the weighing devices 11 are multiple, a plurality of weighing devices 11 are circumferentially arranged at intervals along the storage bin 1, the circumferentially arranged supports around the storage bin are arranged on the plurality of weighing devices 11, or the plurality of supports are arranged on the plurality of weighing devices 11 in a one-to-one correspondence manner, so that the weight of the storage bin 1 and the materials inside the storage bin 1 can be obtained through the weighing devices 11, and whether the materials in the storage bin 1 are empty can be judged.

Preferably, the weighing device 11 has a preset value or a predetermined value, and as the material in the storage bin 1 is supplied into the cleaning pipe 3 by the screw feeder 6, the indication of the weighing device 11 gradually descends, and when the indication of the weighing device 11 descends to the preset value or the predetermined value, the vibrator 9 and the second nozzle 10 are started so as to separate the material on the wall of the storage bin 1, a part of the separated material is discharged from the discharge port 101, and the other part of the separated material is in a dust shape and discharged through the suction port 102, so that the storage bin 1 is emptied.

Simultaneously, the first nozzle is opened to clear the material of the screw feeder 6, and the gas discharged by the first nozzle carries the separated material into the material clearing pipe 3 through the third valve opening and is converged with the air flow provided by the air supply pipeline 8, and meanwhile, the carried material moves to the filter 4 so that the screw feeder 6 is cleared.

When the indication of the weighing device 11 returns to zero or is displayed as the weight of the storage bin 1, the material cleaning operation is completed, the vibrator 9 and the second spray head 10 are closed, in order to ensure that the screw feeder 6 is emptied, the first spray head can be closed again for a long time, and the air supply pipeline 8 and the first spray head are closed simultaneously or after the first spray head is closed, so that the material is ensured to completely enter the filter 4.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between and not for indicating or implying a relative importance or an implicit indication of the number of features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the utility model.

Claims (10)

1. Feed bin subassembly with clear material function, characterized by, include:

the device comprises a bin (1), wherein the bin (1) is provided with a discharge hole (101);

a blanking pipe (2), wherein the blanking pipe (2) is controllably communicated and separated from the discharge hole (101);

the material cleaning pipe (3), one end of the material cleaning pipe (3) is provided with a first interface (31) and a second interface (32), the first interface (31) is controllably communicated and separated from the discharge port (101), and the second interface (32) is used for connecting an air source;

the filter (4) is communicated with the other end of the material cleaning pipe (3), and the filter (4) is provided with a material outlet.

2. The silo assembly with a purging function according to claim 1, characterized by a suction device (5), the silo (1) having a suction opening (102), the suction device (5) being in communication with the suction opening (102).

3. The silo assembly with a purge function according to claim 2, characterized in that the filter (4) is in communication between the suction device (5) and the suction port (102).

4. The silo assembly with a purge function according to claim 1, further comprising a screw feeder (6), the inlet of the screw feeder (6) being in communication with the discharge port (101), the outlet of the screw feeder (6) being in controllable communication and shut-off with the blanking pipe (2), and the outlet of the screw feeder (6) being in controllable communication and shut-off with the first interface (31).

5. The storage bin assembly with the material cleaning function according to claim 4, wherein the screw feeder (6) comprises a machine body and a first spray head, the machine body is provided with a gas path interface (61), the gas path interface (61) is used for connecting the gas source, the first spray head is arranged in an inner cavity of the machine body, and the first spray head is communicated with the gas path interface (61).

6. The storage bin assembly with a material cleaning function according to claim 4, further comprising a first multi-way valve (7), wherein the first multi-way valve (7) is provided with a first valve port, a second valve port and a third valve port, the first valve port is communicated with an outlet of the screw feeder (6), the second valve port is communicated with the discharging pipe (2), and the third valve port is communicated with the first interface (31).

7. The silo assembly with a purge function according to claim 1, characterized by further comprising an air supply line (8), the air supply line (8) being connected between the air supply and the second interface (32), the air supply line (8) having a one-way valve (81) and a pneumatic ball valve (82).

8. The silo assembly with a purging function according to claim 1, characterized by further comprising a vibrator (9), the vibrator (9) being provided on the silo (1), the vibrator (9) being used for vibrating the silo (1).

9. The bin assembly with the material cleaning function according to claim 1, further comprising a second nozzle (10), wherein the second nozzle (10) is arranged on the bin (1), and the second nozzle (10) is used for being connected with the air source so that the second nozzle (10) sprays air flow to the inner wall surface of the bin (1).

10. The silo assembly with a purging function according to claim 1, characterized by further comprising a weighing device (11), the silo (1) being arranged on the weighing device (11).