CN215276202U - Foldable air filter dust collector - Google Patents

Abstract

The utility model discloses a foldable air filter dust collector, relate to the clean field of maintaining, this scheme includes that inside has the purge chamber of clear blowing cavity, be provided with the mount pad in the clear blowing cavity, still be provided with the subassembly of blowing outward in the clear blowing cavity, the subassembly of blowing in, fixed subassembly is used for being fixed in the mount pad with foldable air filter, the subassembly of blowing outward sets up on the inner wall of purge chamber and blows to the foldable air filter surface that is fixed in on the mount pad, the subassembly of blowing in sets up on the mount pad and is used for blowing to the inside of the foldable air filter who is fixed in the mount pad, fixed subassembly includes the flexible subassembly of centre gripping and fixed clamp splice, the fixed clamp splice is located the top of mount pad, the flexible subassembly of centre gripping drives fixed clamp splice and goes up and down so that the fixed clamp splice is close to or keeps away from the mount pad. The air filter element is clamped in a mode of driving the fixed clamping block to lift through the clamping telescopic assembly, clamping is stable and reliable, and the foldable air filter element dust removal device is wide in application range.

Description

Foldable air filter dust collector

Technical Field

The utility model relates to a clean field of maintaining, concretely relates to foldable air filter dust collector.

Background

The air filter is mainly applied to the fields of pneumatic machinery, internal combustion machinery and the like, and is used for filtering impurities of air entering the mechanical equipment so as to prevent the mechanical equipment from sucking the air with impurity particles in work and increasing the probability of abrasion and damage.

Referring to fig. 1, the structure of the foldable air filter cartridge generally includes a cylindrical filter cartridge main body 101 and connecting end blocks 102 disposed at two ends of the filter cartridge main body, the filter cartridge main body 101 includes a supporting net 1011 disposed at the inside and a pleated filter material 1012 disposed at the outside, the supporting net 1011 connects the connecting end blocks 102 at two sides to provide a stable mounting base for pleated aluminum, and the connecting end blocks 102 are provided with vent holes 1021.

After the air filter is used for a period of time, impurities can be accumulated on the filter element, and the normal use of the air filter is influenced.

In order to ensure the filtering effect, the filter element must be cleaned regularly, and at the present stage, the folding air filter elements of the air compressor, the air conditioner and other equipment are cleaned and blown repeatedly by high-speed and high-pressure airflow by hands, and the manual cleaning and blowing of the folding air filter elements can cause that the dust on the working site is large and harmful to the lung of the human body.

Among the prior art, chinese patent with application number 201610488255.6 discloses an air cleaner filter element descaling machine, including the closed cover body, two-position valve, the closed cover body inboard is equipped with chassis and outer cleaning device, install rotary platform and interior cleaning device that can realize rotary motion on the chassis, the last mounting fixture who is used for fixed air cleaner filter element of installing of rotary platform, interior cleaning device's the mouth of blowing is just right the inner wall of air cleaner filter element, outer cleaning device's the mouth of blowing is just right the outer wall of air cleaner filter element, interior cleaning device with outer cleaning device passes through two-position valve and is connected with compressed air source.

This patent drives the rotation of air cleaner filter core through rotary platform, sets up cleaning device outside the air cleaner filter core, has realized the high-efficient environmental protection clearance to the air cleaner filter core.

However, this patent adopts the special-shaped elastic piece as the mounting fixture of fixed air cleaner filter core, the filter core overlaps outside the special-shaped elastic piece, take place elastic deformation and fix the filter core chucking by the special-shaped elastic piece, however, this kind of suitability of fixed mode is not strong, only be applicable to the great filter core of aperture size, and to the less filter core of size, when fixed, because the aperture restriction, the filter core can only overlap in the upper end of special-shaped elastic piece, thereby make fixed filter core hang in the air, it is extremely unstable to fix, in addition the air current of washing usefulness adopts high-pressure draught, under high-speed air current scouring, the filter core can take place to shift, can cause the condition of washing unclean to take place.

Therefore, a new reliable new and higher foldable air filter element dust removing device is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a foldable air filter dust collector, this foldable air filter dust collector is stable to the air filter centre gripping, has that the centre gripping is firm, be suitable for extensive advantage.

In order to realize the purpose of the utility model, the embodiment of the utility model adopts the following technical scheme:

a dust removing device for a folding air filter element comprises a cleaning chamber with a cleaning cavity inside, wherein a mounting seat for placing the folding air filter element is arranged in the cleaning cavity, an outer blowing assembly, an inner blowing assembly and a fixing assembly are also arranged in the blowing cavity, the fixing assembly is used for fixing the folding air filter element on the mounting seat, the external blowing component is arranged on the inner wall of the cleaning chamber and blows air to the outer surface of the foldable air filter element fixed on the mounting seat, the inner blowing assembly is arranged on the mounting seat and is used for blowing air to the interior of the foldable air filter element fixed on the mounting seat, the fixing component comprises a clamping telescopic component and a fixing clamping block, the fixing clamping block is positioned above the mounting seat, the clamping telescopic assembly drives the fixed clamping block to lift so that the fixed clamping block is close to or far away from the mounting seat.

From this, when fixed treating clear foldable air filter, place air filter on the mount pad, the flexible subassembly action of rethread control centre gripping makes its drive fixed clamp splice be close to the mount pad to make fixed clamp splice and air filter butt and compress tightly, thereby be fixed in air filter on the mount pad, fixed firm, be difficult for appearing shifting under fast-speed washing gas flow, and not be subject to air filter's aperture specification size, be suitable for extensively.

In a possible embodiment, the clamping telescopic assembly comprises a clamping telescopic rod, the fixing clamping block is fixed to a telescopic portion of the clamping telescopic rod, and a fixing portion of the clamping telescopic rod is fixed to a top wall or a side wall of the cleaning chamber.

Therefore, the fixed clamping block is driven to move by the stretching of the clamping telescopic rod, so that the clamping action is realized.

In a possible implementation manner, a clamping cushion block is arranged on the mounting seat, and the clamping cushion block is matched with the end face shape of the folding air filter element.

From this, the centre gripping cushion helps spacing to foldable air filter, is favorable to further improving the fixed steadiness of foldable air filter.

In a possible embodiment, the gripping pad is a flexible pad.

From this, adopt flexible cushion to help buffering the clamping-force of centre gripping in-process to folding air filter, avoid pressing from both sides the air filter and warp because the clamping-force is too big, in addition, flexible cushion has certain resilience performance certainly, can compensate the not hard up that probably produces in the clamping-process, and the centre gripping is more stable.

In one possible embodiment, the flexible pad is a rubber block or a silicone block.

In a possible implementation manner, a pressure sensor is arranged on the mounting seat, the foldable air filter dust removal device further comprises a clamping controller, the pressure sensor is electrically connected with the clamping controller, and the clamping controller controls the clamping telescopic assembly to act.

From this, set up pressure sensor, in the clamping process, when pressure sensor detected the pressure value and reached preset pressure value, can judge that the centre gripping targets in place to the flexible subassembly stop motion of steerable centre gripping of clamping controller avoids the clamping-force not enough or too big.

In a possible embodiment, the external blowing assembly includes an external blowing nozzle, an external connection air pipe, a compressed air pump, and an external driving telescopic rod, the external connection air pipe connects the external blowing nozzle and the compressed air pump, an air outlet end of the external blowing nozzle is disposed toward a foldable air filter element fixed on the mounting seat, and the external blowing nozzle is fixed on a telescopic portion of the external driving telescopic rod and is lifted up and down along a vertical direction under the external driving telescopic rod.

From this, through the vertical lift of outer blowing nozzle of outer drive telescopic link drive to wash air filter's surface comprehensively, be applicable to the washing of the air filter of high difference.

In a possible embodiment, a guide assembly for moving the outer blowing nozzle is arranged on the inner wall of the cleaning chamber.

Therefore, the guide assembly is beneficial to keeping the stability of the lifting and moving process of the outer blowing nozzle, and the outer blowing nozzle can be lifted smoothly.

In a possible embodiment, the guide assembly comprises a guide rail fixed to the inner wall to be cleaned in a vertical direction, the outer blowing nozzle being in sliding engagement with the guide rail.

Therefore, the guide rail can guide the movement of the external blowing nozzle, and the structure is simple.

In a possible embodiment, the mounting seat is fixed on a rotating disc, the rotating disc is rotatably arranged in the cleaning chamber, a rotary driving assembly is arranged corresponding to the rotating disc, the rotary driving assembly comprises a driving motor and a speed reducer, and the speed reducer is connected with the rotating disc and the driving motor.

From this, provide rotary power by driving motor, again by the reduction gear with power transmission to the rotary disk on to the drive rotary disk rotates, and then drives the air cleaner who is fixed in on the rotary disk and rotates, so that wash air cleaner core surface comprehensively.

In a possible implementation mode, the dust removing and collecting device further comprises a dust removing and collecting barrel and a collecting fan, wherein the dust removing and collecting barrel is connected with a collecting air pipe, and the collecting air pipe is connected with the collecting fan and the cleaning and blowing cavity.

Therefore, the dust collection power is provided by the collection fan, and the dust blown off by the outer blowing assembly and the inner blowing assembly is sucked and collected.

In a possible implementation mode, a sprayer is further connected in the dust removal collecting barrel.

From this, the atomizer can avoid the raise dust to the inside liquid that sprays of dust removal collecting vessel.

In a possible embodiment, a one-way valve is arranged in the collecting air pipe.

Therefore, the problem that the cleaning and blowing cavity is polluted by the mist entering the cleaning and blowing cavity through the dust removal collecting barrel in the spraying process of the sprayer can be avoided.

Compared with the prior art, the utility model discloses profitable technological effect has been obtained:

1. the air filter element is clamped in a mode of driving the fixed clamping block to lift through the clamping telescopic assembly, clamping is stable and reliable, and the foldable air filter element dust removal device is wide in application range.

2. Set up pressure sensor, be favorable to keeping sufficient clamp force to air filter, avoid the clamp force too big or not enough.

3. Positive pressure is generated inside the air filter element, and the cleaning effect is good by combining with external blowing.

4. Set up the atomizer in the collection bucket that removes dust, the raise dust phenomenon appears in the dust that reduces to collect and clear away for the process of clearance, collection dust is cleaner.

Drawings

Fig. 1 is a schematic diagram of a prior art collapsible air filter element;

fig. 2 is a schematic structural diagram of a foldable air filter dust removing device according to an embodiment of the present invention;

the picture layer is the structure schematic diagram of the foldable air filter dust collector of another embodiment of the utility model.

Wherein, the technical characteristics that each reference numeral refers to are as follows:

1. an air filter element; 101. a filter element main body; 1011. a support net; 1012. pleating the filter material; 102. connecting the end block; 1021. a vent hole; 2. a cleaning chamber; 201. cleaning and blowing the cavity; 3. a mounting seat; 4. an external blowing assembly; 401. an external blowing nozzle; 402. the outer part is connected with an air pipe; 403. a compressed air pump; 404. externally driving a telescopic rod; 5. an inner blowing assembly; 501. an inner blowing nozzle; 502. an internal connection pipe; 503. an inner blowing pipe; 6. a fixing assembly; 601. clamping the telescopic assembly; 602. fixing the clamping block; 7. clamping the cushion block; 8. a tension assembly; 801. a fixed pulley; 802. a balancing weight; 9. a guide assembly; 901. a guide rail; 10. rotating the disc; 11. a rotary drive assembly; 1101. a drive motor; 1102. a speed reducer; 12. a dust removal collecting barrel; 13. a collection fan; 14. a dust removal controller.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments, but the scope of the present invention is not limited to the following specific embodiments.

Referring to fig. 2, the embodiment discloses a foldable air filter dust removing device, which comprises a cleaning chamber 2 with a cleaning and blowing cavity 201 inside, wherein a mounting seat 3 for placing the foldable air filter 1 is arranged in the cleaning and blowing cavity 201, an outer air blowing assembly 4 and an inner air blowing assembly 5 are also arranged in the cleaning chamber 2, fixed subassembly 6, fixed subassembly 6 is used for being fixed in mount pad 3 with foldable air filter 1, the subassembly 4 of blowing outward sets up on the purge chamber 2 inner wall and blows to the foldable air filter 1 surface that is fixed in on mount pad 3, the subassembly 5 of blowing in sets up on mount pad 3 and is used for blowing to the inside of the foldable air filter 1 that is fixed in mount pad 3, fixed subassembly 6 includes centre gripping telescopic component 601 and fixed clamp splice 602, fixed clamp splice 602 is located the top of mount pad 3, centre gripping telescopic component 601 drive fixed clamp splice 602 goes up and down so that fixed clamp splice 602 is close to or keeps away from mount pad 3.

The lateral wall of purge chamber 2 is provided with the open and close door (not shown in the figure) that can open and shut, opens the open and close door, can place the foldable air filter 1 of treating the washing to mount pad 3 on, and in the cleaning process, will open and close the door and close, avoid the in-process dust of wasing to spill over purge chamber 2.

In a possible embodiment, referring to fig. 2, the gripping extension assembly 601 comprises a gripping extension rod, the fixed gripping block 602 is fixed to the extension portion of the gripping extension rod, and the fixed portion of the gripping extension rod is fixed to the top wall or side wall of the washing chamber 2.

The clamping telescopic rod can adopt a pneumatic telescopic rod, an electric telescopic rod or a hydraulic telescopic rod.

In other embodiments, the clamp retraction assembly 601 may also be selected to achieve linear reciprocating motion, such as a motor-coupled rack-and-pinion configuration.

In a possible embodiment, the mounting seat 3 is provided with a clamping cushion block 7, and the clamping cushion block 7 is matched with the end surface shape of the folding air filter element 1.

The gripping pad 7 may be placed on the mounting base 3 or may be configured to be removably attached to the mounting base 3.

The detachable connection mode may be that an accommodating groove (not shown in the figure) is formed on the mounting base 3, and the clamping cushion block 7 is clamped and fixed in the accommodating groove; it is also possible to fix the clamping block 7 to the mounting block 3 by means of a threaded connection, such as a screw or bolt-nut assembly.

The end face of the foldable air filter element 1 can be round, square or other polygonal shapes.

In one possible embodiment, the surface of the clamping pad 7 is planar and need not be configured to match the shape of the foldable air filter element 1.

In a possible embodiment, the gripping pad 7 is a flexible pad.

In a possible implementation mode, the flexible cushion block is a rubber block or a silicon rubber block, and the flexible cushion block is convenient to obtain and process.

In a possible embodiment, a pressure sensor (not shown in the figure) is disposed on the mounting seat 3, and the foldable air filter dust removing device further includes a clamping controller (not shown in the figure), the pressure sensor is electrically connected to the clamping controller, and the clamping controller controls the clamping telescopic assembly 601 to operate.

The pressure sensor adopts the existing sensor, the clamping controller can adopt the existing single chip microcomputer or PLC, the pressure sensor data collected by the pressure sensor is received through the clamping controller, the pressure sensor data is compared with the preset clamping pressure value, and when the pressure value collected by the pressure sensor is equal to the preset clamping pressure value, the foldable air filter element 1 can be clamped in place.

In one possible embodiment, the external blowing assembly 4 includes an external blowing nozzle 401, an external connecting air pipe 402, a compressed air pump 403, and an external driving telescopic rod 404, the external connecting air pipe 402 connects the external blowing nozzle 401 and the compressed air pump 403, an air outlet end of the external blowing nozzle 401 is disposed toward the foldable air filter cartridge 1 fixed on the mounting base 3, and the external blowing nozzle 401 is fixed on a telescopic portion of the external driving telescopic rod 404 and ascends and descends along a vertical direction under the external driving telescopic rod 404.

In a possible embodiment, referring to fig. 3, in order to avoid the situation that the external connection air pipe 402 is wound to hinder the movement of the external air nozzle 401 during the lifting of the external air nozzle 401, a tensioning assembly 8 is further provided, the tensioning assembly 8 includes a fixed pulley 801 and a weight block 802, after the external connection air pipe 402 comes out of the compressed air pump 403, the external connection air pipe 402 bypasses the fixed pulley 801 to be connected with the external air nozzle 401, and the weight block 802 is connected to the external connection air pipe 402 and located on one side of the fixed pulley 801 close to the compressed air pump 403.

In one possible embodiment, the outer surface of the outer connecting air tube 402 is provided with a rough or smooth, preferably smooth, surface.

In one possible embodiment, inner blow assembly 5 includes an inner blow nozzle 501, an inner connection pipe 502, inner blow nozzle 501 is disposed on mounting base 3, and inner blow nozzle 501 and compressed air pump 403 are connected through inner connection pipe 502, so that compressed air pump 403 can simultaneously supply air to outer blow nozzle 401 and inner blow nozzle 501.

In a possible embodiment, the inner blowing assembly 5 further includes an inner blowing pipe 503, the inner blowing pipe 503 is detachably connected to the inner blowing nozzle 501, a plurality of blowing holes (not shown) are formed in the wall of the inner blowing pipe 503, and the blowing holes are distributed along the axial direction of the inner blowing pipe 503, and the distribution mode may be uniform distribution or non-uniform distribution, and is preferably uniform distribution.

In addition, a plurality of air blowing holes can be distributed around the circumferential direction of the inner air blowing pipe 503, so that the air output is increased, and the cleaning effect is improved.

The detachable connection mode can be selected to be clamped, namely, the inner blowing pipe 503 is directly sleeved outside the inner blowing nozzle 501 to be fixed with the inner blowing nozzle 501.

Before the foldable air filter element 1 is placed, the inner blowing pipe 503 is detached to be separated from the inner blowing nozzle 501, the foldable air filter element 1 is placed on the mounting base 3, then the inner blowing pipe 503 is inserted from the upper portion of the foldable air filter element 1 to be connected with the inner blowing nozzle 501, and then subsequent clamping and cleaning processes are carried out.

In a possible embodiment, the inner wall of washing chamber 2 is provided with a guide assembly 9 for moving outer blow nozzle 401.

In a possible embodiment, with reference to fig. 2, the guide assembly 9 comprises a guide 901, the guide 901 being fixed to the inner wall to be cleaned in a vertical direction, the outer blowing nozzle 401 being slidingly engaged with the guide 901.

In a possible embodiment, mounting 3 is fixed to a rotating plate 10, rotating plate 10 is rotatably disposed in washing chamber 2, rotating drive assembly 11 is disposed corresponding to rotating plate 10, rotating drive assembly 11 includes a driving motor 1101 and a reducer 1102, and reducer 1102 connects rotating plate 10 and driving motor 1101.

In a possible embodiment, the dust removing and collecting device further comprises a dust removing and collecting barrel 12 and a collecting fan 13, wherein the dust removing and collecting barrel 12 is connected with a collecting air pipe (not labeled in the figure), and the collecting air pipe is connected with the collecting fan 13 and the cleaning and blowing cavity 201.

In a possible embodiment, the washing chamber 2 is provided with a connection valve (not shown) communicating with the collection pipe, which is detachably connected to the connection valve by means of a clamp connection or a bolt-nut connection.

The collection fan 13 may be an axial flow fan or a vacuum cleaner.

In a possible embodiment, a sprayer (not shown) is also connected to the dust-removing collecting barrel 12, and the sprayer contains water or other humidifying liquid.

The sprayer can be a manual spray pipe or an electric sprayer, and can automatically spray in combination with electric control, for example, a response switch can be arranged, the response switch is used for controlling the sprayer to be turned on or off, the response switch is turned on in response to the start of the collection fan 13 when the collection fan 13 starts to work so as to spray, and the response switch is turned off when the collection fan 13 stops to work so as to stop spraying, so that the sprayer and the collection fan 13 work synchronously.

In a possible embodiment, a one-way valve (not shown in the figures) is arranged in the collecting air duct.

In one possible embodiment, the foldable air filter dust removal device further comprises a dust removal controller 14, the dust removal controller 14 is electrically connected with the clamping controller, the outer blowing nozzle 401, the inner blowing nozzle 501, the outer driving telescopic rod 404, the driving motor 1101, the collecting fan 13 and the sprayer, so that the dust removal controller 14 can indirectly or directly control the actions of the outer blowing nozzle 401, the inner blowing nozzle 501, the outer driving telescopic rod 404, the driving motor 1101, the collecting fan 13 and the sprayer of the clamping telescopic assembly 601, and the dust removal controller 14 can be a PLC or an industrial personal computer.

The utility model discloses use of embodiment:

placing the air filter element 1 on the mounting seat 3, controlling the clamping telescopic assembly 601 to act to drive the fixed clamping block 602 to be close to the mounting seat 3, so that the fixed clamping block 602 is abutted against and pressed against the air filter element 1, fixing the air filter element 1 on the mounting seat 3, then controlling the opening of the outer blowing nozzle 401 and the inner blowing nozzle 501 through the dust removal controller 14, driving the outer driving telescopic rod 404 to stretch, driving the outer driving telescopic rod 404 to drive the outer blowing nozzle 401 to lift, and blowing the outer surface of the folded air filter element 1;

the dust removal controller 14 also drives the driving motor 1101 to rotate, so that the foldable air filter element 1 rotates, the inner blowing nozzle 501 performs blowing in the foldable air filter element 1, positive pressure is formed in the foldable air filter element 1, and the blowing is cleaner.

Before clamping the air filter element 1, an inner blowing pipe 503 is connected with an inner blowing nozzle 501.

The dust removing controller 14 also controls the collection fan 13 and the sprayer to be pneumatic in the cleaning and blowing process, so that the dust in the cleaning and blowing cavity 201 is sucked and collected in the dust removing and collecting barrel 12, and the collection process is clean.

After the cleaning and blowing are completed, the dust removal controller 14 controls the outer blowing nozzle 401, the inner blowing nozzle 501, the collecting fan 13 and the sprayer to be closed, and controls the clamping telescopic assembly 601 to act, so that the clamping telescopic assembly drives the fixed clamping block 602 to be far away from the mounting base 3, and the cleaned and blown foldable air filter element 1 can be taken away.

This foldable air filter dust collector's suitability is strong, application scope is wide, and can clear the action of blowing automatically, reduces manual intervention, convenient and fast.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used in the specification, the terms are used for convenience of description and do not limit the utility model in any way.

Claims (10)

1. A foldable air filter dust removal device comprises a cleaning chamber (2) with a cleaning and blowing cavity (201) inside, wherein a mounting seat (3) for placing a foldable air filter (1) is arranged in the cleaning and blowing cavity (201), an outer blowing component (4), an inner blowing component (5) and a fixing component (6) are also arranged in the cleaning and blowing cavity (201), the fixing component (6) is used for fixing the foldable air filter (1) on the mounting seat (3), the outer blowing component (4) is arranged on the inner wall of the cleaning chamber (2) and blows air to the outer surface of the foldable air filter (1) fixed on the mounting seat (3), the inner blowing component (5) is arranged on the mounting seat (3) and is used for blowing air to the inside of the foldable air filter (1) fixed on the mounting seat (3), and the foldable air filter dust removal device is characterized in that, fixed subassembly (6) are including centre gripping telescopic component (601) and fixed clamp splice (602), fixed clamp splice (602) are located the top of mount pad (3), centre gripping telescopic component (601) drive fixed clamp splice (602) go up and down so that fixed clamp splice (602) are close to or keep away from mount pad (3).

2. The foldable air filter dust collector of claim 1, wherein the clamping telescoping assembly (601) comprises a clamping telescoping rod, the fixed clamping block (602) is fixed to a telescoping portion of the clamping telescoping rod, and a fixed portion of the clamping telescoping rod is fixed to a top wall or a side wall of the cleaning chamber (2).

3. The foldable air filter element dust removal device according to claim 1 or 2, wherein the mounting seat (3) is provided with a clamping cushion block (7), and the clamping cushion block (7) is matched with the end surface shape of the foldable air filter element (1).

4. The foldable air filter cartridge dedusting apparatus of claim 3, wherein the clamp pad (7) is a flexible pad.

5. The foldable air filter dust removal device according to claim 3, wherein a pressure sensor is disposed on the mounting seat (3), and the foldable air filter dust removal device further comprises a clamping controller, wherein the pressure sensor is electrically connected with the clamping controller, and the clamping controller controls the clamping telescopic assembly (601) to operate.

6. The foldable air filter element dust removal device according to claim 1, wherein the external blowing assembly (4) comprises an external blowing nozzle (401), an external connecting air pipe (402), a compressed air pump (403) and an external driving telescopic rod (404), the external connecting air pipe (402) connects the external blowing nozzle (401) and the compressed air pump (403), the air outlet end of the external blowing nozzle (401) is arranged towards the foldable air filter element (1) fixed on the mounting seat (3), and the external blowing nozzle (401) is fixed on the telescopic part of the external driving telescopic rod (404) and is lifted and lowered in the vertical direction under the external driving telescopic rod (404).

7. The pleated air filter de-dusting device of claim 6, characterized in that a guide assembly (9) for moving the outer blowing nozzle (401) is arranged on the inner wall of the washing chamber (2).

8. The pleated air filter de-dusting device of claim 7, characterized in that the guiding assembly (9) comprises a guide rail (901), the guide rail (901) is fixed to the inner wall of the washing chamber (2) in a vertical direction, and the outer blowing nozzle (401) is slidably fitted with the guide rail (901).

9. A pleated air filter device according to claim 1, 2, 4, 5, 6, 7 or 8, characterized in that the mounting seat (3) is fixed to a rotary disk (10), the rotary disk (10) is rotatably disposed in the cleaning chamber (2), a rotary drive assembly (11) is disposed corresponding to the rotary disk (10), the rotary drive assembly (11) comprises a drive motor (1101) and a reducer (1102), and the reducer (1102) connects the rotary disk (10) and the drive motor (1101).

10. The foldable air filter element dust removal device according to claim 9, further comprising a dust removal collection barrel (12) and a collection fan (13), wherein the dust removal collection barrel (12) is connected with a collection air pipe, and the collection air pipe is connected with the collection fan (13) and the blowing cavity (201).

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