CN118558087A - A dust collecting device for non-woven bag production - Google Patents

Abstract

The invention discloses a dust collection device for producing non-woven fabric bags, in particular to the technical field of dust collection devices, which comprises a mounting cylinder, wherein the inner surface of the mounting cylinder is in threaded connection with a filtering structure, the dust collecting box is arranged at the lower end of the filtering structure, the primary filtering structure is arranged at the part, located at the inner side of the dust collecting box, of the lower end of the filtering structure, and the air suction structure is arranged at the lower part of the inner surface of the dust collecting box. According to the dust collection device for producing the non-woven fabric bags, air in a workshop is pumped into the inner cavity of the air suction structure through the air suction structure and is uniformly fed into the primary filtering structure, heavier dust particles in the air are separated and fed into the dust collection box through the primary filtering structure, air containing cotton wool and cloth scraps enters the filtering structure through the primary filtering structure and is separated and discharged through the filtering structure and is fed into the dust collection box, so that maintenance and replacement frequency of filtering consumable materials are reduced, ventilation efficiency is improved, and impurity proportion in discharged air is reduced.

Description

A dust collecting device for non-woven bag production

Technical Field

The invention relates to the technical field of dust removal devices, and in particular to a dust removal device for producing non-woven fabric bags.

Background Art

In the production process of non-woven bags, due to the crushing, cutting and other operation processes, a large amount of non-woven fabric debris will be suspended in the workshop. If these debris are directly discharged into the external environment, it will affect the environmental quality and cause a certain degree of air pollution. It is necessary to treat the air containing non-woven fabric debris and dust.

Chinese patent document CN218249137U discloses a dust collection device for non-woven bag production, comprising: a bottom plate, a bracket, a slot and a box body, wherein a box body is fixed to one end of the top surface of the bottom plate, a first cavity is provided on one side of the interior of the box body, a pipe is provided inside the first cavity, an air outlet hood is connected and installed on one end of the pipe, an accretion hood is connected and installed on the other end of the pipe, and the accretion hood is rotatably installed inside the bracket through an axle, the bracket is fixed on the surface of a turntable, the turntable is fixed to the other end of the top surface of the bottom plate, a second cavity is provided on the other side of the interior of the box body, slots are provided on both sides of the interior of the second cavity, a filter plate is inserted into the interior of the slot, and a filter screen is fixed inside the filter plate.

The device in the above document adjusts the direction of sucking flying catkins and dust, and the filter screen for filtering flying catkins and dust is easy to replace, which has the advantage of being easy for staff to use.

However, in actual use, the device requires frequent replacement of consumables, the filter element consumes a lot and is inconvenient to clean during use. After using it for a period of time, its air intake will be affected and it needs to be cleaned and maintained frequently. It is cumbersome to use and lacks convenience.

Summary of the invention

The main purpose of the present invention is to provide a dust collection device for non-woven bag production, which can effectively solve the problems that the existing devices require frequent maintenance, replacement of filter consumables and inconvenience in internal cleaning.

To achieve the above object, the technical solution adopted by the present invention is:

A dust collection device for non-woven bag production includes a mounting tube, the inner surface of the mounting tube is threadedly connected with a filter structure, a dust collecting box is arranged at the lower end of the filter structure, a primary filter structure is arranged at the part of the lower end of the filter structure located inside the dust collecting box, and an air suction structure is arranged at the lower part of the inner surface of the dust collecting box.

Preferably, the air suction structure includes an air inlet box fixedly connected to the inner surface of the dust box via a number of support blocks and connected to the lower end of the dust box, the inner surface of the air inlet box is fixedly connected with a guide cover, the top of the inner surface of the air inlet box is fixedly connected with a diverter table, the top wall of the inner surface of the diverter table is fixedly connected with a drive motor, the output end of the drive motor is fixedly connected with a vortex fan blade, the top wall of the inner surface of the air inlet box is provided with a number of uniform air holes distributed in an annular manner, and the end of the uniform air holes away from the drive motor is connected to the primary filter structure.

Preferably, the primary filtration structure includes a plurality of dust removal components distributed in an annular shape, the outer surfaces of the plurality of dust removal components are fixedly connected to the inner surfaces of the corresponding uniform air holes, the ends of the dust removal components away from the air inlet box are fixedly connected to gear three, and a plurality of gear threes are commonly meshed with a toothed disk, the upper end of the gear three is rotatably connected to an isolation plate one fixedly connected to the inner wall of the dust collecting box, and the upper end of the isolation plate one is provided with a plurality of connecting holes connected to the lower end in an annular shape.

Preferably, the dust removal assembly includes a drainage column fixedly connected to the inner surface of the uniform air hole, a plurality of swirl holes connected to the upper end are arranged in an annular distribution at the lower end of the drainage column, the inner surface of the drainage column is rotatably connected to a central axis, a portion of the outer surface of the central axis located on the upper side of the drainage column is fixedly connected to a plurality of fan plates in an annular distribution, the upper end of the drainage column is fixedly connected to an isolation cover, the upper end of the central axis passes through the top wall of the inner surface of the isolation cover, extends to the upper end of the isolation cover and is fixedly connected to the inner surface of the adjacent gear three, and a portion of the outer surface of the central axis located on the inner side of the isolation cover is arranged in an annular distribution with a plurality of ventilation holes that pass through the upper end of the central axis.

Preferably, a dust exhaust hole is opened on one side of the outer surface of the isolation cover close to the inner wall of the dust collecting box, the opening direction of the dust exhaust hole is the same as the rotation direction of the cleaning plate, the part of the outer surface of the central axis located on the upper part of the cleaning plate is fixedly connected to the cleaning plate, and the outer surface of the vertical part of the cleaning plate is in contact with the inner surface of the isolation cover.

Preferably, the filtering structure includes an installation box fixedly connected to the upper end of an isolation plate, a filter cleaning assembly is provided on the inner surface of the installation box, a filter is fixedly connected to the outer surface of the installation box, a gear ring 1 is provided on the upper part of the inner surface of the installation box, a gear ring 2 is provided on the inner surface of the installation box at a position below the gear ring, and a plurality of dust exhaust ports connected to adjacent connecting holes are distributed in an annular manner on the lower part of the inner surface of the installation box.

Preferably, the filter cleaning assembly includes a drive shaft fixedly connected to the upper end of the toothed disc, and two adhered dust cleaning components and two floating dust cleaning components are fixedly connected to the outer surface of the drive shaft in an annular distribution.

Preferably, the adhered dust cleaning component includes support plates symmetrically distributed above and below and fixedly connected to the outer surface of the driving shaft, the support plates have one end away from the driving shaft and are commonly fixedly connected to a storage box, the inner surface of the storage box is rotatably connected to a cleaning brush that is tightly attached to the inner surface of the filter screen on the side away from the rotation direction, the upper end of the cleaning brush passes through the inner surface of the storage box and extends to the upper end of the storage box and is fixedly connected to a gear 1 that meshes with a gear ring 2, the lower end of the storage box is fixedly connected to a dust exhaust duct 1 that is connected to its inner cavity, and the dust exhaust duct 1 is periodically connected to the dust exhaust port during rotation.

Preferably, the floating dust cleaning component includes support rods symmetrically distributed up and down and fixedly connected to the outer surface of the driving shaft, the support rods are rotatably connected with a curtain, the upper transmission shaft of the curtain passes through the inner surface of the support rods and extends to one end away from the driving shaft and is fixedly connected to a gear 2 meshing with a gear ring 1, and a plurality of dust catching needles are fixedly connected to the outer surface of the curtain.

Preferably, the lower end of the support rod located at the lower part is fixedly connected with a dust exhaust duct 2 connected with its inner cavity, and the end of the dust exhaust duct 2 away from the driving shaft is provided with a discharge port matched with the driving shaft, and the inner surface of the support rod located at the lower part is fixedly connected with a cleaning comb, and the cleaning comb is provided with teeth matched with the spacing between dust collecting needles.

Compared with the prior art, the present invention has the following beneficial effects:

1. The present invention draws the air in the workshop into the inner cavity of the air intake structure through the air intake structure and evenly sends it to the primary filter structure. The heavier dust particles are separated and sent to the dust collecting box through the action of the primary filter structure. The air containing cotton wool and cloth scraps enters the filter structure through the primary filter structure and is separated and removed through the action of the filter structure before being sent to the dust collecting box, thereby reducing the maintenance and replacement frequency of filter consumables, improving ventilation efficiency, and reducing the proportion of impurities in the exhaust air.

2. The present invention utilizes a driving motor to drive external air to flow into the air intake box, and through the action of the air guide cover and the diverter table, the air is evenly sent into the dust removal component through the uniform wind holes. The dust removal component centrifuges large particles and heavier impurities in the air to reduce the proportion of impurities and relieve the pressure on the filter consumables. At the same time, the air intake rate is increased and the pressure on a single filter unit is reduced. At the same time, the inward air extraction by the driving motor can prevent the traditional air intake equipment from being affected by non-woven fabrics or other fabric fibers and reduce the maintenance frequency and cost.

3. The present invention utilizes the function of the floating dust cleaning component to capture the non-woven fabric debris in the air in the inner cavity of the installation box, and promotes the air to be discharged outward through the filter, thereby reducing the pressure of the filter; at the same time, the non-woven fabric debris and fibers on the filter are swept away by the function of the adhesion dust cleaning component, thereby reducing the accumulation of non-woven fabric debris on the inner side of the filter, reducing the impact on ventilation efficiency, reducing maintenance frequency, and improving filtration efficiency.

4. The present invention utilizes the rotation of the central axis to drive the ventilation holes to slide on the inner wall of the isolation cover, thereby scraping off the dust in the isolation cover that adheres to the inner wall of the isolation cover due to centrifugal action and sending it out through the dust discharge hole to fall into the dust collecting box; similarly, the dust discharge port opened on the lower side of the inner wall of the installation box can be periodically connected with the dust discharge duct 2 and the dust discharge duct 1 at the lower part when the adhesion dust cleaning component and the floating dust cleaning component rotate, and the debris accumulated inside is discharged into the dust discharge port through the centrifugal action and enters the dust collecting box through the connecting hole for temporary storage.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic diagram of the overall structure of the present invention;

FIG2 is a schematic cross-sectional view of the internal structure of the installation tube of the present invention;

FIG3 is a schematic structural diagram of an air intake structure and a primary filter structure of the present invention;

FIG4 is a schematic structural diagram of a dust removal assembly of the present invention;

FIG5 is a schematic cross-sectional view of the dust removal assembly of the present invention;

FIG6 is a schematic diagram of the positional relationship between gear 3 and the toothed disc of the present invention;

FIG7 is a schematic cross-sectional view of the internal structure of the filter structure of the present invention;

FIG8 is a schematic structural diagram of a filter cleaning assembly of the present invention;

FIG9 is a schematic structural diagram of an adhesion dust cleaning component of the present invention;

FIG10 is a schematic diagram of the local structure at D in FIG9 of the present invention;

FIG11 is a schematic structural diagram of a floating dust cleaning component of the present invention;

FIG12 is a schematic diagram of the local structure of point B in FIG8 of the present invention;

FIG13 is a schematic cross-sectional view of the internal structure of the isolation cover of the present invention;

FIG14 is a schematic diagram of the local structure of point A in FIG2 of the present invention;

FIG. 15 is a schematic diagram of the local structure at point C in FIG. 11 of the present invention.

In the figure: 1. Mounting cylinder; 2. Filter structure; 21. Mounting box; 211. Gear ring 1; 212. Gear ring 2; 213. Dust outlet; 22. Filter screen; 23. Filter screen cleaning assembly; 231. Drive shaft; 232. Adhesive dust cleaning component; 2321. Storage box; 2322. Support plate; 2323. Dust discharge channel 1; 2324. Cleaning brush; 2325. Gear 1; 233. Floating dust cleaning component; 2331. Support rod; 2332. Gear 2; 2333. Curtain; 2334. Dust discharge channel 2; 2 335. Dust collecting needle; 2336. Cleaning comb; 3. Primary filter structure; 31. Isolation plate one; 32. Connecting hole; 33. Dust removal assembly; 331. Isolation cover; 332. Fan plate; 333. Central axis; 334. Drainage column; 335. Swirl hole; 336. Cleaning plate; 337. Ventilation hole; 338. Dust exhaust hole; 34. Toothed disc; 35. Gear three; 4. Dust collection box; 5. Suction structure; 51. Inlet box; 52. Guide cover; 53. Vortex fan blade; 54. Driving motor; 56. Wind uniformity hole; 57. Diverter table.

DETAILED DESCRIPTION

In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

Embodiment 1

As shown in Figures 1 and 2, a dust collection device for non-woven bag production includes a mounting tube 1, a filter structure 2 is threadedly connected to the inner surface of the mounting tube 1, a dust collecting box 4 is arranged at the lower end of the filter structure 2, a primary filter structure 3 is arranged at the part of the lower end of the filter structure 2 located inside the dust collecting box 4, and an air suction structure 5 is arranged at the lower part of the inner surface of the dust collecting box 4.

It should be noted that the above-mentioned installation tube 1 is a ventilation duct required for circulation in the production environment, which is used to promote air circulation in the production workshop. Usually, one end of it is connected to the factory environment, and the other end is connected to a high-power fan or a fresh air system. It is a circulation device commonly used in modern workshops and a conventional technical means in the prior art. Its specific installation method and connection method are not repeated in the present invention.

During the operation of this embodiment, the air in the workshop is firstly drawn into the inner cavity of the air intake structure 5 through the air intake structure 5 and evenly sent to the primary filter structure 3. The heavier dust particles therein are separated and sent to the dust collecting box 4 through the action of the primary filter structure 3. The air containing cotton wool and cloth scraps enters the filter structure 2 through the primary filter structure 3 and is separated and removed through the action of the filter structure 2 and then sent to the dust collecting box 4, thereby reducing the maintenance and replacement frequency of the filter consumables, improving the ventilation efficiency, and reducing the proportion of impurities in the exhaust air.

Embodiment 2

Based on the first embodiment, the present embodiment utilizes a driving motor 54 to drive external air to flow into the air inlet box 51, and through the action of the air guide cover 52 and the diverter 57, the external air is evenly delivered into the dust removal component 33 through the uniform air holes 56. The dust removal component 33 is used to centrifugally separate large particles and heavier impurities in the air, thereby reducing the proportion of impurities therein and alleviating the pressure on the filter consumables. At the same time, the air intake rate is increased, and the pressure on a single filter unit is reduced. At the same time, the inward air extraction by the driving motor 54 can prevent the traditional air intake equipment from being affected by non-woven fabrics or other fabric fibers and the operating stability, thereby reducing the maintenance frequency and cost.

Specifically, in order to realize the extraction of air containing non-woven fabric debris in the workshop, referring to Figure 3, the air intake structure 5 includes an air intake box 51 fixedly connected to the inner surface of the dust collecting box 4 through a plurality of support blocks and connected to the lower end of the dust collecting box 4, the inner surface of the air intake box 51 is fixedly connected with a guide cover 52, the top of the inner surface of the air intake box 51 is fixedly connected with a diverter table 57, the top wall of the inner surface of the diverter table 57 is fixedly connected with a drive motor 54, the output end of the drive motor 54 is fixedly connected with a vortex fan blade 53, and the top wall of the inner surface of the air intake box 51 is provided with a plurality of uniform air holes 56 distributed in an annular manner, and the end of the uniform air holes 56 away from the drive motor 54 is connected with the primary filter structure 3.

The driving motor 54 rotates to drive the vortex blades 53 to rotate, and the vortex blades 53 draw air inward, and the drawn air is evenly distributed to a plurality of uniform air holes 56 through the action of the air guide cover 52 and the diverter 57.

Specifically, in order to achieve centrifugal separation of heavy particles, referring to Figure 3, the primary filter structure 3 includes a number of dust removal components 33 distributed in an annular shape, and the outer surfaces of the dust removal components 33 are fixedly connected to the inner surfaces of the corresponding uniform air holes 56. The ends of the dust removal components 33 away from the air inlet box 51 are fixedly connected to gear three 35, and the gear three 35 are meshed with a toothed disk 34. The upper end of the gear three 35 is rotatably connected to an isolation plate 31 fixedly connected to the inner wall of the dust collecting box 4, and the upper end of the isolation plate 31 is provided with a number of connecting holes 32 connected to the lower end in an annular shape.

The plurality of dust removal components 33 can reduce the pressure of the unit structure processing, and can also drive the toothed disc 34 to rotate through the action of the multi-stage gear three 35.

Furthermore, in order to achieve centrifugal separation of particulate matter, it is necessary to convert air into swirl through the action of swirl hole 335, and drive fan plate 332 to rotate through swirl, and separate particulate matter through the action of fan plate 332. For details, please refer to Figures 4, 5 and 6. The dust removal component 33 includes a drainage column 334 fixedly connected to the inner surface of the uniform air hole 56, and a plurality of swirl holes 335 connected to the upper end are arranged in an annular distribution at the lower end of the drainage column 334. The inner surface of the drainage column 334 is rotatably connected to a central The outer surface of the central shaft 333 is located on the upper side of the drainage column 334 and is fixedly connected to a plurality of fan plates 332 in an annular distribution. The upper end of the drainage column 334 is fixedly connected to the isolation cover 331. The upper end of the central shaft 333 passes through the top wall of the inner surface of the isolation cover 331 and extends to the upper end of the isolation cover 331 and is fixedly connected to the inner surface of the adjacent gear three 35. The outer surface of the central shaft 333 is located on the inner side of the isolation cover 331 and is provided with a plurality of ventilation holes 337 that pass through the upper end of the central shaft 333.

In summary, the air in the uniform air hole 56 will pass through a number of swirl holes 335. The path of the swirl hole 335 is spiral, and its air outlet is relatively inclined, which will blow the fan plate 332 obliquely to drive the central axis 333 to rotate, thereby making the air inside the isolation cover 331 swirl, and large particles and heavier dust are thrown to the inner wall of the isolation cover 331 through the centrifugal action of the swirl, and make it close to the inner wall.

The rotation of the central shaft 333 will drive the gear three 35 fixed thereto to rotate. All gear three 35 are meshed with the toothed disc 34. When the gear three 35 rotates, it will synchronously drive the toothed disc 34 to rotate, thereby driving the filter structure 2 to operate through the toothed disc 34.

Embodiment 3

On the basis of the second embodiment, this embodiment utilizes the function of the floating dust cleaning component 233 to capture the non-woven fabric debris in the air in the inner cavity of the installation box 21, and promotes the air to be discharged outward through the filter 22, thereby reducing the pressure of the filter 22; at the same time, the non-woven fabric debris and fibers on the filter 22 are swept away through the action of the adhesion dust cleaning component 232, thereby reducing the accumulation of non-woven fabric debris on the inner side of the filter 22, reducing the impact on ventilation efficiency, reducing maintenance frequency, and improving filtration efficiency.

Specifically, in order to achieve air filtering, referring to Figure 7, the filtering structure 2 includes an installation box 21 fixedly connected to the upper end of the isolation plate 31, a filter cleaning assembly 23 is provided on the inner surface of the installation box 21, a filter 22 is fixedly connected to the outer surface of the installation box 21, a gear ring 211 is provided on the upper part of the inner surface of the installation box 21, and a gear ring 212 is provided on the inner surface of the installation box 21 at a position below the gear ring 211.

Furthermore, in order to process the non-woven fabric debris in the air inside the installation box 21, referring to Figure 8, the filter cleaning assembly 23 includes a drive shaft 231 fixedly connected to the upper end of the toothed disc 34, and the outer surface of the drive shaft 231 is annularly distributed and fixedly connected with two adhesive dust cleaning components 232 and two floating dust cleaning components 233.

The toothed disc 34 rotates to drive the driving shaft 231 to rotate, thereby driving the adhesion dust cleaning component 232 and the floating dust cleaning component 233 to rotate around the driving shaft 231 inside the installation box 21 .

Furthermore, in order to continuously clean the surface of the filter 22 and ensure the filtering efficiency of the filter 22, referring to Figures 9 and 10, the adhesion dust cleaning component 232 includes support plates 2322 symmetrically distributed up and down and fixedly connected to the outer surface of the drive shaft 231, and the end of the support plate 2322 away from the drive shaft 231 is commonly fixedly connected to a storage box 2321, and the inner surface of the storage box 2321 is rotatably connected to the side away from the rotation direction. A cleaning brush 2324 that is tightly attached to the inner surface of the filter 22, the upper end of the cleaning brush 2324 penetrates the inner surface of the storage box 2321 and extends to the upper end of the storage box 2321 and is fixedly connected to a gear 1 2325 that meshes with the gear ring 212.

During the rotation of the driving shaft 231, the storage box 2321 will be driven to slide along the inner surface of the filter 22 through the support plate 2322, and the gear 1 2325 will be driven to rotate through the action of the gear ring 212, and the cleaning brush 2324 will be driven by the gear 1 2325 to sweep the surface of the filter 22, so that the non-woven fabric debris and dust adsorbed on the surface of the filter 22 are swept into the storage box 2321, thereby reducing the adhesion of debris on the inner surface of the filter 22 and ensuring its ventilation rate.

Furthermore, in order to capture non-woven fabric debris suspended in the air inside the installation box 21 and reduce the filtering pressure of the filter 22, referring to Figures 11 and 12, the dust cleaning component 233 includes support rods 2331 symmetrically distributed above and below and fixedly connected to the outer surface of the driving shaft 231, and the support rods 2331 are connected to a curtain 2333 for rotation together. The upper transmission shaft of the curtain 2333 passes through the inner surface of the support rod 2331 and extends to one end away from the driving shaft 231 and is fixedly connected to a gear 2 2332 meshing with a gear ring 1 211, and a plurality of dust catching needles 2335 are fixedly connected to the outer surface of the curtain 2333.

The rotation of the driving shaft 231 will synchronously drive the supporting rod 2331 to rotate, thereby driving the curtain 2333 to rotate around the driving shaft 231 inside the mounting box 21. When air flows over the surface of the curtain 2333, the non-woven fabric fibers mixed therein will be captured by the dust collecting needles 2335 and stay on the surface of the curtain 2333, thereby reducing the amount of non-woven fabric attached to the filter 22 and alleviating the filtering pressure of the filter 22.

Embodiment 4

On the basis of the second and third embodiments, the present embodiment utilizes the central axis 333 to rotate and drive the ventilation hole 337 to slide on the inner wall of the isolation cover 331, thereby scraping off the dust in the isolation cover 331 that adheres to the inner wall of the isolation cover 331 due to the centrifugal action and sending it out through the dust discharge hole 338 to fall into the dust collecting box 4; similarly, the dust discharge port 213 opened on the lower side of the inner wall of the installation box 21 can be periodically connected with the dust discharge channel 2 2334 and the dust discharge channel 1 2323 at their lower parts when the adhesion dust cleaning component 232 and the floating dust cleaning component 233 rotate, and the debris accumulated inside is discharged into the dust discharge port 213 through the connecting hole 32 and enters the dust collecting box 4 for temporary storage.

Furthermore, in order to realize the dust exhaust function, referring to Figure 13, a dust exhaust hole 338 is opened on the side of the outer surface of the isolation cover 331 close to the inner wall of the dust collecting box 4, and the opening direction of the dust exhaust hole 338 is the same as the rotation direction of the cleaning plate 336. The outer surface of the central axis 333 located on the upper part of the cleaning plate 336 is fixedly connected to the cleaning plate 336, and the outer surface of the vertical part of the cleaning plate 336 is in contact with the inner surface of the isolation cover 331.

When the central shaft 333 drives the cleaning plate 336 to rotate, the cleaning plate 336 will scrape off the dust attached to the inner wall of the isolation cover 331 and send it out through the dust exhaust hole 338. The dust exhaust hole 338 is biased towards the inner wall of the dust box 4. The discharged dust will fall into the dust box 4 through the connection between the suction structure 5 and the dust box 4. At the same time, since the dust box 4 is closed, the air will not flow to the dust exhaust hole 338.

Furthermore, in order to connect the installation box 21 with the dust collecting box 4, referring to FIG. 4, a plurality of dust exhaust ports 213 communicating with adjacent communication holes 32 are provided in an annular distribution at the lower inner surface of the installation box 21.

The main function of the connecting hole 32 is to connect the installation box 21 with the dust collecting box 4 through the dust discharge port 213 , and serve as a debris discharge channel of the filter structure 2 .

Furthermore, in order to discharge the dust inside the storage box 2321, referring to Figures 7 and 9, the lower end of the storage box 2321 is fixedly connected with a dust exhaust duct 2323 connected to its inner cavity, and the dust exhaust duct 2323 is periodically connected to the dust exhaust port 213 during the rotation process.

During the rotation of the storage box 2321 , the dust exhaust duct 1 2323 will fit with the inner wall of the installation box 21 until it is connected with the dust exhaust port 213 , and the dust therein is discharged into the dust exhaust port 213 through centrifugal force.

Furthermore, in order to scrape off the dust attached to the curtain 2333 and discharge it into the dust collecting box 4, referring to Figures 11 and 15, the lower end of the support rod 2331 is fixedly connected to a dust exhaust duct 2334 connected to its inner cavity, and the end of the dust exhaust duct 2334 away from the driving shaft 231 is provided with a discharge port matched with the driving shaft 231, and the inner surface of the support rod 2331 is fixedly connected to a cleaning comb 2336, and the cleaning comb 2336 is provided with teeth matched with the spacing of the dust catching needles 2335.

The dust on the curtain 2333 will be scraped off by the cleaning comb 2336 when entering the lower support rod 2331 and fall into the second dust exhaust duct 2334. During the rotation process, the second dust exhaust duct 2334 will be periodically connected with the dust exhaust port 213 like the first dust exhaust duct 2323 and throw the dust into the dust exhaust port 213 through centrifugal force.

The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims (10)

1. The utility model provides a dust extraction of non-woven fabrics bag production usefulness, includes mounting cylinder (1), its characterized in that: the dust collecting device is characterized in that a filter structure (2) is connected to the inner surface of the mounting cylinder (1) in a threaded mode, a dust collecting box (4) is arranged at the lower end of the filter structure (2), a primary filter structure (3) is arranged at the part, located at the inner side of the dust collecting box (4), of the lower end of the filter structure (2), and an air suction structure (5) is arranged at the lower portion of the inner surface of the dust collecting box (4).

2. The dust collection device for producing a non-woven fabric bag according to claim 1, wherein: the utility model discloses a dust collection box, including dust collection box (4), suction structure (5) are including admitting air box (51) through a plurality of supporting shoe fixed connection and with dust collection box (4) lower extreme intercommunication, admittance box (51) internal surface fixedly connected with kuppe (52), admittance box (51) internal surface top fixedly connected with reposition of redundant personnel platform (57), reposition of redundant personnel platform (57) internal surface roof fixedly connected with driving motor (54), driving motor (54) output fixedly connected with vortex flabellum (53), a plurality of even wind holes (56) have been seted up to admittance box (51) internal surface roof annular distribution, the one end that driving motor (54) was kept away from to even wind hole (56) communicates with primary filter structure (3).

3. A dust extraction for the production of nonwoven bags according to claim 2, wherein: the primary filter structure (3) comprises a plurality of dust removal components (33) which are annularly distributed, the outer surfaces of the dust removal components (33) are fixedly connected with the inner surfaces of corresponding air homogenizing holes (56), one end, far away from an air inlet box (51), of each dust removal component (33) is fixedly connected with a gear III (35), the gears III (35) are meshed with a fluted disc (34) jointly, the upper ends of the gears III (35) are rotationally connected with a first isolation plate (31) fixedly connected with the inner wall of the dust collection box (4), and a plurality of communication holes (32) which are communicated with the lower end are annularly distributed on the first isolation plate (31).

4. A dust extraction for the production of nonwoven bags according to claim 3, wherein: the dust removal assembly (33) comprises a drainage column (334) fixedly connected with the inner surface of the air homogenizing hole (56), a plurality of cyclone holes (335) communicated with the upper end are annularly distributed in the lower end of the drainage column (334), a central shaft (333) is rotatably connected to the inner surface of the drainage column (334), a plurality of fan plates (332) are fixedly connected to the outer surface of the central shaft (333) in a part annular distribution mode on the upper side of the drainage column (334), an isolation cover (331) is fixedly connected to the upper end of the drainage column (334), the upper end of the central shaft (333) penetrates through the top wall of the inner surface of the isolation cover (331) to extend to the upper end of the isolation cover (331) and fixedly connected with the inner surface of the adjacent gear three (35), and a plurality of ventilation holes (337) communicated with the upper end of the central shaft (333) are annularly distributed in the part of the outer surface of the central shaft (333) located inside the isolation cover (331).

5. The dust extraction of nonwoven sack production usefulness of claim 4, wherein: dust discharging holes (338) are formed in one side, close to the inner wall of the dust collecting box (4), of the outer surface of the isolation cover (331), the opening direction of each dust discharging hole (338) is the same as the rotation direction of the corresponding cleaning plate (336), the cleaning plate (336) is fixedly connected to the portion, located on the upper portion of the cleaning plate (336), of the outer surface of the central shaft (333), and the outer surface of the vertical portion of the cleaning plate (336) is attached to the inner surface of the isolation cover (331).

6. A dust extraction for the production of nonwoven bags according to claim 3, wherein: the filter structure (2) comprises a mounting box (21) fixedly connected with the upper end of a first partition plate (31), a filter screen cleaning assembly (23) is arranged on the inner surface of the mounting box (21), a filter screen (22) is fixedly connected to the outer surface of the mounting box (21), a first toothed ring (211) is arranged on the upper portion of the inner surface of the mounting box (21), a second toothed ring (212) is arranged at the position, located at the lower portion of the first toothed ring (211), of the inner surface of the mounting box (21), and a plurality of dust exhaust ports (213) communicated with adjacent communication holes (32) are annularly distributed at the lower portion of the inner surface of the mounting box (21).

7. The dust collector for producing non-woven bags of claim 6, wherein: the filter screen cleaning assembly (23) comprises a driving shaft (231) fixedly connected with the upper end of the fluted disc (34), and two adhesion dust cleaning components (232) and two floating dust cleaning components (233) are fixedly connected to the outer surface of the driving shaft (231) in an annular distribution mode.

8. The dust collector for producing non-woven fabric bags according to claim 7, the method is characterized in that: the adhesion dust cleaning component (232) comprises a supporting plate (2322) which is vertically symmetrically distributed and fixedly connected with the outer surface of the driving shaft (231), one end, away from the driving shaft (231), of the supporting plate (2322) is fixedly connected with a storage box (2321) in a common mode, one side, away from the rotation direction, of the inner surface of the storage box (2321) is rotationally connected with a cleaning brush (2324) which is clung to the inner surface of the filter screen (22), the upper end of the cleaning brush (2324) penetrates through the inner surface of the storage box (2321) to extend to the upper end of the storage box (2321) and is fixedly connected with a first gear (2325) meshed with the toothed ring II (212), the lower end of the storage box (2321) is fixedly connected with a first dust discharge channel (2323) communicated with the inner cavity of the storage box, and the first dust discharge channel (2323) is periodically communicated with a dust discharge port (213) in the rotation process.

9. The dust collector for producing non-woven fabric bags according to claim 7, the method is characterized in that: the floating dust cleaning component (233) comprises supporting rods (2331) which are vertically symmetrically distributed and fixedly connected with the outer surface of the driving shaft (231), the supporting rods (2331) are connected with a curtain (2333) in a co-rotating mode, a transmission shaft on the upper portion of the curtain (2333) penetrates through the inner surface of the supporting rods (2331) to extend to one end far away from the driving shaft (231) and is fixedly connected with a second gear (2332) meshed with the first gear ring (211), and a plurality of dust catching needles (2335) are fixedly connected to the outer surface of the curtain (2333).

10. The dust extraction for producing nonwoven fabric bags of claim 9, wherein: the lower end of the supporting rod (2331) is fixedly connected with a dust exhaust channel II (2334) communicated with the inner cavity of the supporting rod, one end of the dust exhaust channel II (2334) away from the driving shaft (231) is provided with a discharge hole matched with the driving shaft (231), the inner surface of the supporting rod (2331) is fixedly connected with a cleaning comb (2336), and the cleaning comb (2336) is provided with a tooth hole matched with the space between dust catching needles (2335).