CN215032179U

CN215032179U - Dust collector and broken bag material loading machine

Info

Publication number: CN215032179U
Application number: CN202120871695.6U
Authority: CN
Inventors: 赖俊杰; 周逛; 麦智伟
Original assignee: Guangdong Bozhilin Robot Co Ltd
Current assignee: Anhui Hengchuang Construction Engineering Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-12-07
Anticipated expiration: 2031-04-26

Abstract

The utility model relates to a dust collector and broken bag material loading machine, include: a base; and the upper cover is rotatably arranged on the base and can be opened and closed, a bag breaking operation cavity is formed between the upper cover and the base in a surrounding manner, an air inlet gap is formed between the upper cover and the base in a matching manner when the upper cover and the base are closed, and the air inlet gap is communicated with the bag breaking operation cavity. When carrying out broken bag material loading operation, arrange the bagged material in broken bag operation intracavity and break the bag and handle, meanwhile close upper cover and base, because the upper cover can form the air inlet gap with the cooperation between the base this moment, the air inlet gap can directly regard as air inlet channel to use, make the air in the external environment can be by the broken bag operation intracavity of effective suction, in order to bring the raise dust into the dust extraction mechanism, and need not like prior art need additionally make the fresh air inlet alone on the casing, make the dust collector design manufacturing cost of this scheme lower, it is more convenient to use, help improving dust removal operating efficiency.

Description

Dust collector and broken bag material loading machine

Technical Field

The utility model relates to a dust removal technical field especially relates to a dust collector and broken bag material loading machine.

Background

At present, can use powder in bags such as cement, putty powder on the building site, broken bag pours out inside powder and generally is accomplished by artifical manual, also need use the cutter to cut open outer packing bag in broken bag operation promptly, and then the upset is poured out inside powder to the hopper in. Can produce great raise dust at whole in-process, not only can cause harm to workman's health, have the risk that causes occupational disease, also can cause the pollution to all ring edge borders and equipment simultaneously, consequently can equip the industry dust catcher on the building site and clear away the raise dust usually.

However, in order to ensure that the existing industrial vacuum cleaner can perform dust removal normally and obtain high dust removal efficiency, an air inlet needs to be designed and manufactured separately and additionally on the shell, which is high in cost and inconvenient to use.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a dust collector and broken bag material loading machine, aims at solving prior art problem with high costs, awkward.

In one aspect, the present application provides a dust removal device, the dust removal device includes:

a base; and

the upper cover, the upper cover rotate set up in just can open and close the cooperation on the base, the upper cover with enclose between the base and close and be formed with broken bag operation chamber the upper cover with when the base is closed, the upper cover with the cooperation is formed with the air inlet gap between the base, the air inlet gap with broken bag operation chamber intercommunication.

The dust collector of the scheme is applied to be equipped in a bag breaking feeding machine, and particularly, when bag breaking feeding is carried out on a bag loading material, the dust collector synchronously clears away generated dust so as to avoid harm to peripheral personnel, equipment and the environment caused by the dust. Particularly, when carrying out broken bag material loading operation, arrange the bagged material in broken bag operation intracavity and break the bag and handle, meanwhile close upper cover and base, because the upper cover can form the air inlet gap with the cooperation between the base this moment, the air inlet gap can directly regard as air intake channel to use, make the air in the external environment can be by the broken bag operation intracavity of effective suction, in order to bring the raise dust into the dust extraction mechanism, and need not like prior art need additionally make the fresh air inlet alone on the casing, make the dust collector design manufacturing cost of this scheme lower, it is more convenient to use, help improving the dust removal operating efficiency.

The technical solution of the present application is further described below:

in one embodiment, the air inlet gap is formed on the front surfaces of the base and the upper cover, auxiliary air inlet gaps are further formed on two opposite side surfaces of the base and the upper cover respectively, and the auxiliary air inlet gaps are communicated with the bag breaking operation cavity.

In one embodiment, the dust removing device further includes:

the dust removal shell is arranged on the base, the inner cavity of the dust removal shell is communicated with the bag breaking operation cavity,

the filter element is arranged in the dust removal shell and comprises a filter shell, filter paper arranged in the filter shell and a passive shifting sheet connected with the filter paper; and

the self-cleaning mechanism comprises a driving assembly, a rotating shaft and an active shifting piece, the rotating shaft is rotatably arranged inside the filter shell and is in driving connection with the driving assembly, the active shifting piece is arranged outside the rotating shaft, and when the rotating shaft rotates, the active shifting piece can shift the passive shifting piece.

In one embodiment, the passive poking sheets are of a clamping sheet structure, the number of the passive poking sheets is multiple, the filter paper comprises a plurality of folded parts, and the passive poking sheets are clamped outside the folded parts in a one-to-one correspondence manner.

In one embodiment, the dust removing device further comprises a dust collecting box, the bottom of the dust removing shell is provided with a dust falling port, and the dust collecting box is arranged on the dust removing shell and is positioned below the dust falling port;

the dust collection box is detachably connected with the dust collection shell through the quick-release buckle.

In one embodiment, the driving assembly comprises a supporting bearing, a coupler, a motor mounting frame and a driving motor, the supporting bearing is arranged on the filter shell and is rotatably connected with two opposite ends of the rotating shaft, the rotating shaft is in driving connection with the driving motor through the coupler, and the driving motor is fixed on the filter shell through the motor mounting frame;

the drive assembly further comprises a motor protection cover, and the motor protection cover is arranged on the motor mounting frame and covers the motor mounting frame to be arranged outside the drive motor.

In one embodiment, the dust removing device further comprises a dust exhaust mechanism, the dust exhaust mechanism comprises a dust exhaust fan, a dust exhaust support, a dust exhaust pipe and a dust bag, the dust exhaust fan is arranged on the dust exhaust support, one end of the dust exhaust pipe is connected with the air outlet of the dust removing housing, the other end of the dust exhaust pipe is connected with the air inlet of the dust exhaust fan, and the dust bag is connected with the air outlet of the dust exhaust fan.

In one embodiment, the dust removing device further comprises a wind shield, the wind shield is arranged on the base and provided with at least two wind-distributing through holes, and the wind-distributing through holes are respectively communicated with the bag breaking operation cavity and the inner cavity of the dust removing shell.

In one embodiment, the dust removing device further comprises a telescopic driving member, and the telescopic driving member is respectively connected with the base and the upper cover so as to drive the upper cover to be automatically opened or closed.

On the other hand, this application still provides a broken bag material loading machine, and it includes dust collector as above.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a bag breaking and feeding machine according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the dust removing device of the present invention in an open state;

FIG. 3 is a schematic structural view of the dust removing device of the present invention in a closed state;

FIG. 4 is a schematic view of the exploded structure of FIG. 2 (with the upper cover omitted);

FIG. 5 is a schematic view of the structure of FIG. 3 from another perspective (with the upper cover omitted);

FIG. 6 is a schematic view of an axial section of the filter element of the present invention;

FIG. 7 is a schematic structural view of a filter paper according to the present invention;

fig. 8 is an assembly structure diagram of the filter paper and the passive shifting piece of the present invention.

Description of reference numerals:

100. a dust removal device; 10. a dust removal housing; 20. a filter element; 21. a filter shell; 22. filtering paper; 221. a wrinkle part; 23. a passive plectrum; 30. a self-cleaning mechanism; 31. a drive assembly; 311. a support bearing; 312. a coupling; 313. a motor mounting bracket; 314. a drive motor; 315. a motor protection cover; 32. a rotating shaft; 33. an active poking sheet; 40. a dust collecting box; 50. a buckle is quickly disassembled; 60. a dust pumping mechanism; 61. a dust extraction fan; 62. a dust extraction bracket; 63. a dust extraction air pipe; 64. a dust collection bag; 70. a base; 71. a blanking port; 80. an upper cover; 90. a bag breaking operation cavity; 200. an air inlet gap; 300. a wind deflector; 310. uniformly passing through holes; 400. a telescopic driving member; 500. a bag breaking platform; 600. a feeding device; 700. the auxiliary air inlet gap.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

The embodiment of the application provides a broken bag material loading machine, it uses in the building construction place, can break the bag to the bagged material and handle, then gives low reaches agitated vessel with the powder automatic feeding who pours out, carries out cleaning to the raise dust of production simultaneously to guarantee peripheral personnel and sanitation and safety.

As shown in fig. 1, the bag breaking and feeding machine mainly includes a dust removing device 100, a bag breaking platform 500 and a feeding device 600. The dust removing device 100 and the bag breaking platform 500 are respectively installed on the feeding device 600. The bag-breaking platform 500 is disposed at a place where a bag-filling material is to be subjected to a bag-breaking operation. The feeding device 600 is used for automatically feeding powder poured out after bag breaking. The dust removing device 100 is used to remove dust from the generated dust.

Alternatively, the feeding device 600 may be, but is not limited to, a screw feeder, a continuous mixer, and the like.

It is to be noted that the bag may be a package, a packing putty, or the like. The stirring equipment correspondingly stirs the water with the cement powder, the putty powder and the like which are obtained by feeding according to a proper proportion, thereby preparing the fluid construction auxiliary materials such as cement, putty and the like.

As shown in fig. 1 to 3, a dust removing device 100 according to an embodiment of the present application is provided, where the dust removing device 100 includes: a dust removing shell 10, a filter element 20 and a self-cleaning mechanism 30. In addition, dust collector 100 still includes base 70 and upper cover 80, upper cover 80 rotate set up in on base 70 and can open and close the cooperation, upper cover 80 with it is formed with broken bag operation chamber 90 to enclose between base 70 upper cover 80 with when base 70 is closed, broken bag operation chamber 90 with the inner chamber intercommunication of dust removal shell 10, upper cover 80 with the cooperation is formed with air inlet gap 200 between the base 70, air inlet gap 200 with the air inlet gap 200 of broken bag operation chamber 90 intercommunication.

When carrying out broken bag material loading operation, arrange the bagged material in broken bag operation chamber 90 and carry out broken bag and handle, meanwhile close upper cover 80 and base 70, because the cooperation forms air inlet gap 200 between upper cover 80 can and the base 70 this moment, air inlet gap 200 can directly regard as air intake channel to use, make the air in the external environment can be by effective suction in broken bag operation chamber 90, in order to bring the raise dust into dust extraction mechanism 60, and need not to make the fresh air inlet separately on the casing like prior art, make the dust collector design manufacturing cost of this scheme lower, it is more convenient to use, help improving dust removal operating efficiency.

Preferably, the air intake slit 200 is formed on the front surfaces of the base 70 and the upper cover 80. At this time, the air inlet gap 200 can obtain the maximum size, thereby increasing the air inlet amount in unit time and strengthening the dust removal efficiency.

Furthermore, auxiliary air inlet gaps 700 are formed on two opposite side surfaces of the base 70 and the upper cover 80, and the auxiliary air inlet gaps 700 are communicated with the bag breaking operation cavity 90. Therefore, the external air can enter the bag breaking operation cavity 90 from the front and the two side surfaces simultaneously, the air inlet amount is effectively increased, and the dust collection efficiency is improved. Alternatively, the air intake slits 200 and the auxiliary air intake slits 700 may be connected or disconnected. In this embodiment, the air inlet slits 200 and the auxiliary air inlet slits 700 are preferably communicated, and the three form an air inlet with a U-shaped structure.

The base 70 and the cover 80 also form part of the bag-breaking platform. In addition, the bag breaking platform further comprises a bag breaking cutter, a bag breaking power assembly and the like.

With reference to fig. 2 to 4, in addition, the dust removing apparatus 100 further includes a dust exhaust mechanism 60, the dust exhaust mechanism 60 includes a dust exhaust fan 61, a dust exhaust bracket 62, a dust exhaust duct 63 and a dust bag 64, the dust exhaust fan 61 is disposed on the dust exhaust bracket 62, one end of the dust exhaust duct 63 is connected to the air outlet of the dust removing housing 10, the other end of the dust exhaust duct 63 is connected to the air inlet of the dust exhaust fan 61, and the dust bag 64 is connected to the air outlet of the dust exhaust fan 61.

The dust removing housing 10 is hermetically fixed on the base 70 by bolts and a sealant without interfering with the up-and-down rotation of the upper cover 80. A drop opening 71 is formed below the base 70. During bag breaking operation, the bagged materials are placed in the bag breaking operation cavity 90, then the upper cover 80 rotates downwards to be closed with the base 70, the bagged materials can be cut open, and powder contained inside falls into the feeding device 600 from the blanking port 71 under the self-weight to participate in feeding operation.

At the same time, the dust-removing blower 61 is started and evacuated, and the outside air is drawn into the bag-breaking operation chamber 90 through the air inlet slit 200, so that the generated dust can flow into the dust-removing housing 10 together with the air. At this time, because the upper cover 80 and the base 70 are kept in a closed state, and the size of the air inlet gap 200 is small, dust can be prevented from leaking to cause pollution, and in addition, enough air can be ensured to flow into the bag breaking operation cavity 90, so that the dust collection efficiency of the dust collection fan is improved.

The air which enters the dust removing housing 10 and is mixed with dust flows into the filter element 20 immediately, the dust is filtered in the filter element 20, the slightly clean air further enters the dust exhaust fan 61 through the dust exhaust air pipe 63 and finally flows into the dust collecting bag 64, and the dust collecting bag 64 can perform secondary filtering operation on the dust in the air, so that the air flowing out from the dust collecting bag 64 is ensured to be cleaner.

With reference to fig. 2 and fig. 4, further, the dust removing device 100 further includes a wind shielding plate 300, the wind shielding plate 300 is disposed on the base 70, and the wind shielding plate 300 is provided with at least two wind-distributing through holes 310, and the wind-distributing through holes 310 are respectively communicated with the bag breaking operation cavity 90 and the inner cavity of the dust removing housing 10.

Specifically, the wind deflector 300 is fixed above the base 70 by bolts, and the mounting manner is simple and the connection reliability is high. And the wind shield 300 is located between the bag-breaking operation chamber 90 and the inner chamber of the dust-removing housing 10 in the air flow passage. Because the wind deflector 300 is provided with at least two wind-uniforming through holes 310, the wind-uniforming through holes 310 can make the air with dust more uniformly flow into the dust-removing housing 10 and finally flow into the filter element 20, which is helpful to improve the filtering efficiency.

Referring to fig. 2 and fig. 3, further, the dust removing device 100 further includes a telescopic driving member 400, and the telescopic driving member 400 is respectively connected to the base 70 and the upper cover 80 to drive the upper cover 80 to open or close automatically. For example, the telescopic driver 400 is provided as an electric push rod, a hydraulic cylinder, or the like. Therefore, the upper cover 80 can be automatically rotated to open or close, and the automation level of the dust removing device 100 is improved.

With reference to fig. 4 to 8, in the present embodiment, the filter element 20 is disposed in the dust removing housing 10, and the filter element 20 includes a filter shell 21, a filter paper 22 disposed in the filter shell 21, and a passive pick-up 23 connected to the filter paper 22; the self-cleaning mechanism 30 comprises a driving component 31, a rotating shaft 32 and an active shifting piece 33, the rotating shaft 32 is rotatably arranged inside the filter shell 21 and is in driving connection with the driving component 31, the active shifting piece 33 is arranged outside the rotating shaft 32, and when the rotating shaft 32 rotates, the active shifting piece 33 can shift the passive shifting piece 23.

In summary, the implementation of the technical solution of the present embodiment has the following beneficial effects: the application of dust collector 100 of above-mentioned scheme is equipped in broken bag material loading machine, specifically is when the bag material carries out broken bag material loading, and dust collector 100 clears away the raise dust of production in step to avoid the raise dust to cause harm to peripheral personnel, equipment and environment. Specifically, when the bag-breaking loading work is performed, the generated dust is sucked into the dust removing housing 10 and flows through the filter cartridge 20, the dust is blocked by the filter paper 22 installed in the filter housing 21, and clean air is discharged from the filter cartridge 20 and discharged to the environment. Along with the continuous progress of dust removal work, when piling up the dust quantity on filter paper 22 more and influence filter capacity of filter paper 22, start drive assembly 31 this moment, drive assembly 31 drives pivot 32 and begins to rotate, pivot 32 drives initiative plectrum 33 in step and rotates, initiative plectrum 33 and then can stir passive plectrum 23, make passive plectrum 23 drive filter paper 22 in step and produce the shake, the dust of piling up on filter paper 22 drops from filter paper 22 by oneself under the shake effect, the self-cleaning function of filter core 20 has been realized, so can greatly reduced filter core 20 jam risk, guarantee that filter core 20 possesses the reliable filter capacity that lasts, increase filter core 20 life, guarantee dust collector 100 dust removal operational capability.

With continued reference to fig. 6 and 8, in some embodiments, the passive pulling piece 23 is a clip structure, such as a U-shaped metal clip. The number of the passive poking pieces 23 is multiple, the filter paper 22 comprises a plurality of fold parts 221, and the passive poking pieces 23 are clamped outside the fold parts 221 in a one-to-one correspondence manner. The passive shifting piece 23 is of a clamping piece structure, so that the passive shifting piece 23 can be directly clamped and fixed on the fold part 221 of the filter paper 22, the installation mode is simple, the filter paper 22 cannot be damaged, and the filtering capacity of the filter paper 22 cannot be influenced. A plurality of passive plectrums 23 are the annular and distribute the round, can continue to produce stirring effect to different passive plectrums 23 at the rotatory in-process of round of initiative plectrum 33 like this, also make filter paper 22 produce and continue the shake, and the at utmost prevents that the dust from piling up on filter paper 22 surface, promotes filter paper 22's filtration efficiency.

With reference to fig. 1, 4 and 5, the dust removing device 100 further includes a dust collecting box 40, a dust falling opening is disposed at the bottom of the dust removing housing 10, and the dust collecting box 40 is disposed on the dust removing housing 10 and below the dust falling opening. The dust falling from the filter paper 22 due to shaking can automatically fall into the dust collection box 40 under the action of self weight, and is collected by the dust collection box 40, so that the subsequent dust treatment is convenient.

In addition, since the dust removing housing 10 and the dust collecting box 40 are independently installed outside the base 70 and the upper cover 80, secondary pollution to the bag breaking platform 500 is not caused during dust shaking, dust collecting and collecting processes.

With reference to fig. 5, further, the dust removing device 100 further includes a quick-release buckle 50, and the dust collecting box 40 is detachably connected to the dust removing housing 10 through the quick-release buckle 50. Therefore, the dust collecting box 40 is convenient to mount and dismount, and the dust collecting box 40 can be conveniently dismounted to clean the collected dust after being fully collected with the dust.

With reference to fig. 4, on the basis of any of the above embodiments, the driving assembly 31 includes a supporting bearing 311, a coupling 312, a motor mounting bracket 313 and a driving motor 314, the supporting bearing 311 is disposed on the filter housing 21 and rotatably connected to two opposite ends of the rotating shaft 32, the rotating shaft 32 is drivingly connected to the driving motor 314 through the coupling 312, and the driving motor 314 is fixed on the filter housing 21 through the motor mounting bracket 313.

The driving motor 314 provides power required for rotating the rotating shaft 32. The rotary power can be transmitted to the rotating shaft 32 through the coupling 312, so that the power transmission is stable and efficient. The supporting bearing 311 plays a role in mounting, positioning and rotatably supporting the rotating shaft 32, so that the rotating shaft 32 can rotate stably, and the driving shifting piece 33 and the driven shifting piece 23 can be accurately matched in a shifting manner. The motor mounting frame 313 is used for stably assembling the driving motor 314 on the filter element 20, so that the overall stability of the structure is ensured.

The driving assembly 31 further includes a motor protecting cover 315, wherein the motor protecting cover 315 is disposed on the motor mounting frame 313 and covers the outside of the driving motor 314. The motor protective cover 315 protects the driving motor 314, and ensures reliable and safe operation of the driving motor 314.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims

1. A dust removing device, characterized in that the dust removing device comprises:

a base; and

2. The dust collector according to claim 1, wherein the air intake gap is formed on the front surfaces of the base and the upper cover, and auxiliary air intake gaps are respectively formed on the opposite side surfaces of the base and the upper cover and communicated with the bag breaking operation cavity.

3. The dust removing apparatus of claim 1, further comprising:

4. The dust collector according to claim 3, wherein the passive pulling sheet is of a clamping sheet structure, the passive pulling sheet is provided in plurality, the filter paper comprises a plurality of corrugated parts, and the passive pulling sheets are clamped outside the corrugated parts in a one-to-one correspondence manner.

5. The dust removing device of claim 3, further comprising a dust collecting box, wherein the bottom of the dust removing housing is provided with a dust falling port, and the dust collecting box is arranged on the dust removing housing and is positioned below the dust falling port;

6. The dust removing device according to claim 3, wherein the driving assembly comprises a supporting bearing, a coupler, a motor mounting bracket and a driving motor, the supporting bearing is arranged on the filter shell and is rotatably connected with two opposite ends of the rotating shaft, the rotating shaft is in driving connection with the driving motor through the coupler, and the driving motor is fixed on the filter shell through the motor mounting bracket;

7. The dust removing device according to any one of claims 3 to 6, further comprising a dust exhaust mechanism, wherein the dust exhaust mechanism comprises a dust exhaust fan, a dust exhaust support, a dust exhaust duct and a dust bag, the dust exhaust fan is disposed on the dust exhaust support, one end of the dust exhaust duct is connected to the air outlet of the dust removing housing, the other end of the dust exhaust duct is connected to the air inlet of the dust exhaust fan, and the dust bag is connected to the air outlet of the dust exhaust fan.

8. The dust removal device of claim 7, further comprising a wind shield, wherein the wind shield is disposed on the base, and the wind shield is provided with at least two wind-distributing through holes, and the wind-distributing through holes are respectively communicated with the bag breaking operation cavity and the inner cavity of the dust removal housing.

9. The dust removing device of claim 7, further comprising a telescopic driving member, wherein the telescopic driving member is respectively connected with the base and the upper cover to drive the upper cover to be automatically opened or closed.

10. A bag-breaking feeder, characterized in that it comprises a dust-extraction device according to any one of the preceding claims 1 to 9.