JP2001001871A - Cleaning device of air filter element - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate the cleaning of an element and reduce the cost by providing a pair of separated roller parts for supporting the circumference of a cylindrical element to be cleaned from under. SOLUTION: An air blowing chamber Ra has a pair of separated roller parts 2 for supporting the circumferential surface of a cylindrical element to be cleaned E from under. According to this, when the dirty element to be cleaned E is put on the roller parts 2, the circumferential surface of the element E to be cleaned touches the circumferential surface of each roller part 2, and the element to be cleaned E is rotated by the rotation of the roller parts 2 by a rotating drive part 4. An inner nozzle part 5 and an outer nozzle part 6 are reciprocated in the axial direction of the element to be cleaned E by a protruding and recessing drive part 8. Cleaning air A is sprayed through the inner nozzle part 5 and the outer nozzle part 6 to clean the element to be cleaned E. On the other hand, the dirty air Ad in the air blowing chamber Ra is supplied to a dirty air treatment part 10 by the suction of a suction part 9.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air filter element cleaning device for cleaning an element used for an air filter mounted on a large vehicle such as a truck.

[0002]

2. Description of the Related Art Generally, an automobile is equipped with an air filter for filtering outside air taken into an engine, and the air filter is provided with an element for removing dirt from passing outside air. Normally, elements that are contaminated by use are replaced with new elements for small vehicles.However, the elements used for air filters mounted on large vehicles such as trucks are expensive. Used.

[0003] Conventionally, the cleaning of dirty elements has been performed by blowing or suctioning air for cleaning, so that there has been a problem that post-processing of dust generated after cleaning becomes difficult. For example, when blowing air for cleaning, it is necessary to collect and treat soaring dust, and in the case of suction, the filter on the suction device side is quickly clogged by the sucked dust. Also in the case of (1), there is a problem that the processing cost when processing the dust becomes high and the processing equipment becomes large.

[0004] The present invention has solved the above-mentioned problems in the prior art.
Moreover, an object of the present invention is to provide an air filter element cleaning device which can be implemented at low cost without requiring large-scale facilities.

[0005]

An air filter element cleaning apparatus 1 according to the present invention is provided in an air blowing chamber Ra and has a cylindrical cleaning element E (E).
a, Eb), a pair of spaced roller units 2 and 3 for supporting the peripheral surface from below, a rotation drive unit 4 for rotating at least one of the roller units 2 (3), and an inner peripheral surface Ei of the element E to be cleaned. And the inner nozzle portion 5 and the outer nozzle portion 6 on the outer peripheral surface Eo.
An air blowing unit 7 for blowing the cleaning air A to clean the element E to be cleaned, an advancing / retracting drive unit 8 for reciprocating the inner nozzle 5 and the outer nozzle 6 in the axial direction of the element E to be cleaned, It is characterized by including a suction unit 9 for sucking dirty air Ad in the blowing chamber Ra and a dirty air processing unit 10 for removing dirt from the sucked dirty air Ad.

In this case, according to a preferred embodiment, at least one of the roller portions 2 (3) is constituted by a pair of roller divided portions 2p and 2q separated in the axial direction, and the end of each roller divided portion 2p and 2q. The flange portions 2pf, 2qf for regulating both ends of the element E to be cleaned are provided in the portion, and at least one of the roller divided portions 2p (2q) is provided so that the axial position can be changed. Also, the inner nozzle portion 5
An outer nozzle unit 6 is provided at a position passing near the roller unit 2 (3), in addition to an interval adjusting mechanism unit 11 capable of changing an interval with respect to the element to be cleaned E. further,
The dirty air processing unit 10 includes a bag filter unit 12 with the dirty air inlet 12i facing downward, a beating mechanism unit 13 capable of hitting the bag filter unit 12 by an external operation, and a bag filter unit 12. And a dust collecting unit 14 that collects dust falling from the bag filter units 12.

Thus, when the dirty element to be cleaned E is placed on the pair of rollers 2 and 3, the outer peripheral surface of the element to be cleaned contacts the outer peripheral surfaces of the rollers 2 and 3, and the rotation is driven. The element to be cleaned E is rotated by the rotation of the roller section 2 (3) by the section 4. The inner nozzle section 5 and the outer nozzle section 6 are reciprocated in the axial direction of the element E to be cleaned by the advance / retreat driving section 8. Therefore, if the cleaning air A is injected from the inner nozzle portion 5 and the outer nozzle portion 6, the cleaning air A
Is evenly sprayed on the inner peripheral surface Ei and the outer peripheral surface Eo of the element to be cleaned E, and the element to be cleaned E is cleaned. On the other hand, the dirty air Ad in the air blowing chamber Ra is supplied to the dirty air processing unit 10 by suction by the suction unit 9. Since the dirty air processing unit 10 includes the bag filter units 12, the dirty air Ad passes through the bag filter units 12 to remove dust in the dirty air Ad.

At this time, the roller portion 2 (3) is constituted by a pair of roller divided portions 2p and 2q spaced apart in the axial direction, and an end of each roller divided portion 2p and 2q has an element E to be cleaned.
If the flanges 2pf and 2qf for regulating both ends of the roller are provided and the axial position of the roller dividing part 2p (2q) is made variable, various cleaning elements E having different lengths can be obtained.
Can be loaded, and the positions of the various elements to be cleaned E in the axial direction are fixed. Further, if the inner nozzle portion 5 is provided with the interval adjusting mechanism 11 capable of changing the interval with respect to the element to be cleaned E, the position of the inner nozzle portion 5 can be set according to the type and size of the element to be cleaned E. In addition, since the outer nozzle portion 6 is disposed at a position passing near the roller portion 2 (3), regardless of the type and size of the element E to be cleaned, the outer nozzle portion 6 and the The interval is substantially constant, and the position of the outer nozzle portion 6 can be fixed. On the other hand, the dirty air treatment unit 10 is
, A beating mechanism unit 13 capable of beating the bag filter unit 12 by an external operation, and a dust collecting unit 14 for collecting dust falling from the bag filter unit 12. 12 are easily and efficiently collected.

[0009]

Next, preferred embodiments according to the present invention will be described in detail with reference to the drawings.

First, the configuration of the cleaning device 1 according to the present embodiment will be described with reference to FIGS.

The cleaning device 1 has a plurality of casters 21 at the bottom.
Are provided. Further, the internal space of the housing 20 is partitioned left and right by a vertical partition wall 22, and one space is partitioned vertically by a horizontal partition wall 23. Thus, inside the housing 20, an upper air blowing chamber Ra, an upper other driving chamber Rb, a lower one blower chamber Rc, and a lower other filter chamber Rd are provided. In addition, a part of the housing 20 that covers the upper part of the air blowing chamber Ra is configured as an openable / closable door. Thus, the element to be cleaned E can be moved in and out of the air blowing chamber Ra.

The air blowing chamber Ra is provided with a pair of spaced roller portions 2 and 3 for supporting the outer peripheral surface of the cylindrical element E to be cleaned from below. The roller portions 2 and 3 have a pair of shafts 31 and 32 rotatably and horizontally installed between the housing 20 and the partition wall 22, and one shaft 31 has a pair of roller divided portions 2p separated in the axial direction. , 2q are loaded to form the roller section 2 and the roller body 3 is fixed to the other shaft 32 to form the roller section 3. Each of the roller divided portions 2p, 2q has a flange portion 2pf, 2qf that regulates both ends of the element E to be cleaned.
And one roller split portion 2p is a shaft 31
Can be varied in the axial direction. In this case, a fixing screw (not shown) is attached to the roller dividing portion 2p, and the fixing screw is loosened to displace the roller dividing portion 2p on the shaft 31, and the fixing screw is tightened at a target position to fix the roller dividing portion 2p. May be configured to be fixed to the shaft 31. It is needless to say that the configuration may be such that the axial position of both roller divisions 2p and 2q can be changed.

On the other hand, one ends of the shafts 31 and 32 protrude into the driving chamber Rb, and the driven pulleys 34 and 35 are fixed to the ends. A drive motor 36 having a built-in rotation reduction mechanism is disposed above the drive chamber Rb.
The drive pulley 37 is fixed to the rotation output shaft of
The rotation drive unit 4 is configured by extending an endless transmission belt 38 between the driving pulley 37 and the driven pulleys 34 and 35. Accordingly, when the drive motor 36 is driven, the rollers 2 and 3 rotate, and the element E to be cleaned placed on the rollers 2 and 3 can be rotated. Although the embodiment has shown the case where both the roller units 2 and 3 are rotated, only one of the roller units 2 or 3 may be rotated.

The housing 20 in the driving room Rb
Between the partition wall 22 and the horizontal fixed guide shaft 39,
A nozzle support portion 41 is slidably mounted on the fixed guide shafts 39 and 40. As shown in FIG. 4, the nozzle support portion 41 includes an L-shaped main body support portion 42 and an I-shaped movable support portion 43, and the upper end of the vertical portion of the main body support portion 42 has a linear bearing 4.
4 and the front end of the horizontal portion of the main body supporting portion 42 is connected to a pair of engaging portions 46.
The fixed guide shaft 40 is inserted between u and 46d. On the other hand, one end of the movable support portion 43 is loaded on the fixed guide shaft 39 via the linear bearing 45. As a result, the movable support portion 43 is rotationally displaced about the fixed guide shaft 39 as a fulcrum, and is displaced integrally with the main body support portion 42 in the axial direction of the fixed guide shaft 39. On the other hand, as shown in FIG. 3, an air cylinder 47 is housed in the air blowing chamber Ra, and a driving rod 48 of the air cylinder 47 is protruded into the driving chamber Rb, so that a distal end thereof is connected to the main body supporting portion 42. I do. Air cylinder 47
Constitutes an advance / retreat drive unit 8, and can move the nozzle support unit 41 forward / backward under the control of a control system described later.

Further, a rear end portion of the outer nozzle portion 6 formed in a pipe shape is fixed to the main body supporting portion 42, and a front end portion of the outer nozzle portion 6 passes through the partition wall 22 to form the air blowing chamber R.
a. The outer nozzle portion 6 has an injection port 49 on the outer peripheral surface of a front end portion, and has a connection port 50 for connecting a pressure air supply pipe (not shown) at a rear end. The outer nozzle 6 is shown in FIG.
As shown in FIG. 4, the nozzle 49 is disposed at a position passing near the roller unit 2, and the ejection port 49 is set to be ejected substantially at right angles to the outer peripheral surface Eo of the element E to be loaded. I do. On the other hand, the other end (free end) of the movable support portion 43 supports the rear end portion of the inner nozzle portion 5. In this case, as shown in FIG. 5, a guide tube 51 is fixed to the other end of the movable support portion 43, and the rear end of the inner nozzle portion 5 formed in a pipe shape is inserted through the guide tube 51. The front end side of the inner nozzle portion 5 projects through the partition wall 22 into the air blowing chamber Ra. The inner nozzle portion 5 has an injection port 52 on the outer peripheral surface at the front end, and has a connection port 53 at the rear end for connecting a pressure air supply pipe (not shown). As shown in FIG. 4, the inner nozzle portion 5 enters the inside of the element to be cleaned E to be loaded, and is set at a position so as to be jetted substantially at right angles to the inner peripheral surface Ei of the element to be cleaned E. The inner nozzle portion 5 and the outer nozzle portion 6 blow the cleaning air A supplied from a pressure air supply pipe (not shown) onto the inner peripheral surface Ei and the outer peripheral surface Eo of the element E to be cleaned. Element E
Of the air blowing unit 7 for cleaning the.

On the other hand, as shown in FIG.
The operator support portion 54 is provided in the inner nozzle portion 5 located in front of the
Are fixed, and the operating element 55 formed in a rod shape is supported by the operating element supporting portion 54. This operating element 55 is
3 and projecting to the opposite surface side, and a coil spring 56 is interposed between the operator support portion 54 and the movable support portion 43. As a result, the inner nozzle portion 5 is
3, and the connection port 53 is locked to the guide tube 51. Further, a first limit switch 57 is attached to the movable support 43. In this case, in the natural state, since the inner nozzle portion 5 is urged forward by the coil spring 56, the operation element 55 is displaced to the front position,
The first limit switch 57 is turned off. On the other hand, a second limit switch 58 is mounted on the housing 20. The relationship between the first limit switch 57 and the second limit switch 58 is as follows. Now, when the air cylinder 47 is driven and the inner nozzle portion 5 moves forward, the tip of the inner nozzle portion 5 comes into contact with the end surface portion Es of the element E to be cleaned, as indicated by a virtual line in FIG. 5 stops. At this time, since the movable support portion 43 further advances against the elasticity of the coil spring 56, the first limit switch 57 that is displaced integrally with the movable support portion 43 pushes on the operation element 55 and is turned on. As described above, since the first limit switch 57 is turned on in accordance with the shape and size of the element to be cleaned E, for example, if the length of the element to be cleaned E is short, the inner nozzle portion 5 and the outer nozzle The moving stroke of the part 6 is also shortened, and unnecessary operation is avoided, thereby enabling accurate and efficient cleaning. On the other hand, the nozzle support 4
When 1 (movable support portion 43) retreats and reaches the retreat limit position, as shown by a solid line in FIG.

Further, the inner nozzle section 5 is provided with an interval adjusting mechanism 11 capable of changing the interval with respect to the element to be cleaned E. The interval adjusting mechanism 11 includes a movable guide shaft 60.
And the movable guide shaft 60 is
Through the linear bearing 59 attached to the intermediate portion of the. Further, both ends of the movable guide shaft 60 are hung by a hanging member 61 configured in a U-shape as shown in FIG. 1, and a nut portion 62 is fixed to the center of the upper end of the hanging member 61.
The housing 20 located directly above the nut portion 62
, A thrust bearing 63 is attached, and the operation handle 64 is rotatably supported by the thrust bearing 63. The operation handle 64 includes a handle portion 65 exposed to the outside of the housing 20 and a bolt portion 6 protruding into the drive chamber Rb.
6 and the bolt portion 66 is screwed to the nut portion 62. Thereby, if the handle part 65 is turned, the suspension member 6
Since the movable guide shaft 1 and the movable guide shaft 60 move up and down, the movable support portion 43 is pivotally displaced about the fixed guide shaft 39 as a fulcrum, and the free end of the movable support portion 43, that is, the inner nozzle portion 5 is displaced up and down.

On the other hand, between the air blowing chamber Ra and the blower chamber Rc, an intake port 71 facing the air blowing chamber Ra is provided. Thus, the air blowing chamber Ra and the blower chamber Rc are separated by the intake port 71. The filter chamber Rd is partitioned into an upper filter storage chamber Rdf and a lower dust collection chamber Rdc by a partition plate 72, and the dust collection chamber Rdc and the air inlet 71 are connected to each other by a duct 73. Dust collection room R
A dust collection box 74 is accommodated in dc. The dust collection box 74 can be taken in and out through an opening / closing door (not shown) provided in the housing 20. The dust collection box 74 constitutes a dust collection unit 14 disposed below the bag filter units 12 to collect dust falling from the bag filter units 12. Further, the filter storage chamber R
df, a plurality of (five in the embodiment) bugs with the dirty air inlet (opening) 12i... facing downward and facing the dust collection chamber Rdc through the openings 75. The filter units 12 are provided. In this case, the hook portions 76 are fixed to the lower surface of the partition wall portion 23 at regular intervals, and the bag filter portions 1 are formed in the shape of an elongated cloth bag on the hook portions 76.
, The opening (dirty air inlet 12i) is fixed to the partition plate 72, and the opening 75 is fixed.
Through the dust collection chamber Rdc. Further, a tapping mechanism 13 is provided which can tap the bag filters 12 by an operation from the outside. The tapping mechanism section 13 includes an L-shaped operation section 77 and a plurality of tapping sections 78 provided integrally with the operation section 77. In this case, the horizontal bar 77h of the operation unit 77 is connected to the bag filter unit 12 in the dust collection chamber Rdc.
.. Are rotatably disposed immediately below the vertical rod portion 77.
v protrudes outside the housing 20. The tapping portions 78 are arranged at regular intervals on the horizontal bar portion 77h, and are erected upward to be inserted into each of the bag filter portions 12.

On the other hand, an air blower 79 is provided in the blower chamber Rc.
The intake port of the air blower 79 faces the filter housing chamber Rdf via the duct 80, and the exhaust port faces the outside of the housing 20 via the duct 81. The ventilation system from the intake port 71 to the air blower 79 constitutes an intake section 9 for sucking the dirty air Ad in the air blowing chamber Ra. The control system is, as shown in FIG.
1, a timer 92, a first limit switch 57, and a second limit switch 58 are provided on the input side of the control unit 91.
And a drive valve 36 and an air blower 79, and a control valve 93 for controlling the air cylinder 47 are connected to the output side.

Next, the operation and use of the cleaning device 1 according to the present embodiment will be described with reference to the drawings.

First, an opening / closing door (not shown) is opened, and the dirty element to be cleaned E is accommodated in the air blowing chamber 2, and the roller section 2,
Place on top of 3. At this time, the position of the roller dividing portion 2p of the roller portion 2 is adjusted according to the length of the element to be cleaned E. That is, after loosening a fixing screw (not shown) provided in the roller division 2p, the roller division 2p is displaced along the shaft 31, and the fixing screw is tightened at a target position. The interval adjusting mechanism 11 adjusts the interval between the inner nozzle 5 and the element E to be cleaned. In this case, if the handle portion 65 is turned, the suspension member 61 and the movable guide shaft 60 move up and down, so that the movable support portion 43 is rotationally displaced about the fixed guide shaft 39 as a fulcrum, that is, the free end of the movable support portion 43, that is, , The inner nozzle portion 5 can be moved up and down. Therefore, as shown in FIG. 4, in the case of a small cleaning element Ea having a small diameter, the inner nozzle portion 5 is lowered to the position shown by the solid line. On the other hand, in the case of a large cleaning element Eb having a large diameter. Can correspond to various types of elements to be cleaned E (Ea, Eb)... Of different types and sizes by raising the inner nozzle portion 5 to the position indicated by the imaginary line. The intervals between the elements E can be made constant. In this case, it is effective to make the interval between the inner nozzle portion 5 and the elements to be cleaned E as small as possible.

As described above, when the element to be cleaned E is loaded, it is only necessary to place it on the rollers 2 and 3, so that it can be carried out extremely easily and in a short time, and the type and size can be easily adjusted. It can be adapted to various cleaning elements E (Ea, Eb).

When the operation time is set by the timer 92 and the operation switch (not shown) is turned on, the cleaning device 1 is turned on.
Starts driving. As a result, the drive motor 36 is operated, and the compressed air is supplied to the air cylinder 47 through the air cylinder valve 93. Therefore, the element to be cleaned E rotates, and the outer nozzle portion 6 and the inner nozzle portion 5 are rotated. Reciprocates in the axial direction of the element E to be cleaned. In this case, the reciprocating movement of the outer nozzle portion 6 and the inner nozzle portion 5 is performed as follows. First, when the compressed air is supplied to the air cylinder 47, the drive rod 48 moves in the retracting direction, and the inner nozzle 5 (and the outer nozzle 6) supported by the nozzle support 41 moves forward. When the inner nozzle portion 5 moves forward and the tip of the inner nozzle portion 5 comes into contact with the end surface portion Es of the element E to be cleaned, as shown by a virtual line in FIG. 5, the first limit switch 57 is turned on. As a result, the controller 91 switches the air cylinder valve 93 to move the drive rod 48 of the air cylinder 47 in the projecting direction. Thereby, the inner nozzle portion 5 supported by the nozzle support portion 41
(And the outer nozzle portion 6) move backward. Then, when the nozzle support portion 41 (movable support portion 43) is retracted and reaches the retreat limit position, the movable support portion 43 hits the second limit switch 58 as shown by a solid line in FIG. Turns on. As a result, the control unit 91 switches the valve 93 for the air cylinder, and
Is moved in the retracting direction. Therefore, the outer nozzle portion 6 and the inner nozzle portion 5 repeat the reciprocating movement in the axial direction of the element E to be cleaned. At this time, since the first limit switch 57 is turned on in accordance with the shape and size of the element to be cleaned E, for example, if the length of the element to be cleaned E is short, the movement stroke of the inner nozzle part 5 and the outer nozzle part 6 Is shortened, and unnecessary operation is avoided, so that accurate and efficient cleaning can be performed.

Further, pressurized air is supplied from a pressure air supply pipe (not shown) to the outer nozzle portion 6 and the inner nozzle portion 5 through the connection ports 50 and 53, and cleaning air A is injected from the injection ports 49 and 52. I do. Thus, the inner nozzle portion 5 blows the cleaning air A to the inner surface Ei of the element E to be cleaned, and the outer nozzle 6 blows the cleaning air A to the outer surface Eo of the element E to be cleaned. Therefore, by the rotation of the element to be cleaned E and the reciprocating movement of the inner nozzle portion 5 and the outer nozzle portion 6, the cleaning air A is evenly blown on the inner peripheral surface Ei and the outer peripheral surface Eo of the dirty element to be cleaned E. The element to be cleaned E is cleaned.

On the other hand, by the operation of the air blower 79, the dirty air Ad in the air blowing chamber Ra is supplied to the dirty air processing section 10, and passes through the bag filter sections 12, so that dust of the dirty air Ad is removed. . At this time, the dirty air Ad passes through the intake port 71, the duct 73, and the dust collection chamber Rdc,
The exhaust air Ao supplied to the bag filter units 12 and from which dust is removed by the bag filter units 12 is discharged to the outside via the filter storage chamber Rdf, the duct 80, the air blower 79, and the duct 81.

The dust adhering to the bag filters 12 can be easily collected by the tapping mechanism 13. That is, if the operating portion 77 (horizontal bar portion 77h) is operated from the outside and the hitting portions 78 are rocked, the inside of the bag filter portions 12 is hit by the hitting portions 78, and the attached dust is removed. The dust that has fallen downward and is dropped is stored in the dust collection box 74. Therefore, this dust collection box 74
, The dust removed by the bag filter sections 12 can be easily collected.

The embodiment has been described in detail above.
The present invention is not limited to such an embodiment,
The configuration, shape, quantity, material, etc. of the details can be arbitrarily changed, added, or deleted without departing from the gist of the present invention.

[0028]

As described above, the air filter element cleaning apparatus according to the present invention is provided in the air blowing chamber and has a pair of spaced roller portions for supporting the outer peripheral surface of the cylindrical element to be cleaned from below. A rotation driving unit for rotating at least one roller unit, and air for cleaning the element to be cleaned by blowing cleaning air from the inner nozzle unit and the outer nozzle unit onto the inner and outer peripheral surfaces of the element to be cleaned. Spraying part,
A reciprocating drive unit that reciprocates the inner nozzle unit and the outer nozzle unit in the axial direction of the element to be cleaned, an intake unit that sucks dirty air in the air blowing chamber, and a dirty air processing unit that removes dirt from the sucked dirty air. Therefore, the following remarkable effects can be obtained.

The element is easy to clean, and
It can be implemented at low cost without requiring large-scale equipment.

The loading of the element to be cleaned can be performed extremely easily and in a short time because it is only necessary to place the element on the roller portion.

According to a preferred embodiment, the roller portion is constituted by a pair of roller divided portions spaced apart in the axial direction, and if an interval adjusting mechanism portion is provided, various types of members having different types and sizes can be formed only by simple adjustment. It can be adapted to the cleaning element and can be set to an optimal state.

According to the preferred embodiment, if the dirty air treatment unit is provided with the bag filter unit, the beating mechanism unit, and the dust collecting unit, the dust removed by the bag filter unit can be collected easily and efficiently. .

[Brief description of the drawings]

FIG. 1 is a sectional side view of a cleaning device according to a preferred embodiment of the present invention;

FIG. 2 is a sectional rear view of the cleaning device,

FIG. 3 is a cross-sectional plan view of the cleaning device.

FIG. 4 is a front configuration diagram of a nozzle support portion in the cleaning device.

FIG. 5 is a block diagram of a control system in the cleaning device;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cleaning device 2 Roller part 2p Roller division part 2q Roller division part 2pf Flange part 2qf Flange part 3 Roller part 4 Rotation drive part 5 Inner nozzle part 6 Outer nozzle part 7 Air blowing part 8 Reciprocation drive part 9 Suction part 10 Soil air treatment Part 11 Interval adjusting mechanism part 12i Dirty air inlet 12… Bag filter part 13 Tapping mechanism part 14 Dust collecting part Ra Air blowing chamber E Element to be cleaned Ei Inner peripheral surface of element to be cleaned Eo Outer peripheral surface of element to be cleaned A Cleaning air Ad dirty air

Claims (5)

[Claims] 1. A pair of spaced-apart rollers disposed in an air blowing chamber and supporting an outer peripheral surface of a cylindrical element to be cleaned from below, a rotation drive unit for rotating at least one roller, and a member to be cleaned. An air blowing portion for cleaning the element to be cleaned by blowing cleaning air from an inner nozzle portion and an outer nozzle portion to an inner peripheral surface and an outer peripheral surface of the element; and an element for cleaning the inner nozzle portion and the outer nozzle portion. A reciprocating drive unit for reciprocating in the axial direction of the air blower, an intake unit for sucking dirty air in the air blowing chamber, and a dirty air processing unit for removing dirt from the sucked dirty air. Element cleaning device. At least one of the roller portions is constituted by a pair of roller divided portions separated in the axial direction, and a flange portion for regulating both ends of the element to be cleaned is provided at an end of each roller divided portion. The device for cleaning an element for an air filter according to claim 1, wherein at least one of the roller divisions is provided so as to be capable of changing its axial position. 3. The air filter element cleaning device according to claim 1, wherein the inner nozzle portion includes an interval adjusting mechanism that can change an interval with respect to the element to be cleaned. 4. The air filter element cleaning device according to claim 1, wherein the outer nozzle portion is disposed at a position passing near the roller portion. 5. A dirty air processing unit includes a bag filter unit having a dirty air inlet directed downward, a beating mechanism capable of hitting the bag filter unit by an external operation, and a bag filter unit. 2. The air filter element cleaning device according to claim 1, further comprising a dust collection unit configured to collect dust falling from the bag filter unit.