Self-cleaning dust removal filter bag

Abstract

The dust removal filter bag comprises a keel frame, the keel frame comprises a longitudinal frame and a transverse frame used for being connected with the longitudinal frame, a first elastic connecting piece is arranged on the outer side of the longitudinal frame, a side edge vibration strip is arranged on the outer side of the first elastic connecting piece, and a protective rubber strip is arranged on the surface of the side edge vibration strip. The outer side of the keel frame is sleeved with a filter bag body, the protective rubber strip makes contact with the inner wall of the filter bag body, the top end of the keel frame is provided with a compressed air supply pipe, the top end, extending into the keel frame, of the blowback pipe is provided with a blowback head, the blowback head is provided with a blowback pipe through a bearing, and a plurality of blowback openings are evenly formed in the blowback pipe. According to the utility model, the automatic shaking of the filter bag body in the use process can be realized, and meanwhile, the filter bag body can be uniformly and reversely blown, so that the self-cleaning effect of the filter bag body in the use process is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to dust filter bag technical field, more specifically, it relates to a self-cleaning dust filter bag. BACKGROUND

[0002] Dust filter bag is the core component of bag type dust collector, is mainly used for trapping dust, purifying gas. Dust filter bag is usually made of textile filter material or nonwoven felt, has good filter performance and wear resistance.

[0003] Dust filter bag is mainly installed on the installation flower board in the inside of filter bag dust collector through the keel frame when using, in use, the airflow enters the inside of dust filter bag from the outside of dust filter bag, in this process, the dust in the airflow will be intercepted on the outer surface of dust filter bag, along with the dust on the outer surface of dust filter bag, the filter effect of filter bag will also gradually decrease, the pulse blowback technology in the prior art is mainly used to periodically blow back the filter bag body, so that the filter bag body expands outward, thereby the dust impurities adhered to the outer surface of filter bag body are shaken off, the cleaning of dust filter bag is realized, but, in this way, the surface of filter bag body will adhere to more dust impurities before each cleaning, which affects the filter effect of filter bag, and the prior art cannot make the filter bag continuously self-cleaned during use, which affects the filter effect.

[0004] In addition, in the prior art, the uniformity of the airflow entering the filter bag body is poor when realizing the pulse blowback cleaning of dust filter bag, and the impact force is large, which affects the cleaning effect of dust filter bag, and the filter bag is easily broken due to the excessive blowback force. UTILITY MODEL CONTENTS

[0005] (I) technical problem solved

[0006] In view of the problems existing in the prior art, the utility model provides a self-cleaning dust filter bag to solve the technical problems that the dust cleaning continuity of the dust filter bag in the prior art is poor and the uniformity and protection are poor during blowback cleaning mentioned in the background art.

[0007] (II) technical scheme

[0008] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0009] The utility model provides a self -cleaning dust filter bag, including keel frame, the keel frame includes longitudinal frame and the lateral frame for connecting longitudinal frame, the outside of longitudinal frame is provided with first elastic connecting piece, the outside of first elastic connecting piece is provided with side edge vibration strip, the surface of side edge vibration strip is provided with protective rubber strip, the outside of keel frame is sleeved with filter bag body, protective rubber strip and filter bag body's inner wall contact, the top of keel frame is provided with compressed air supply pipe, the inside top of the extension of back -flushing pipe to keel frame is provided with back -flushing head, back -flushing head is provided with back -flushing pipe through sealing bearing, back -flushing pipe is evenly provided with a plurality of back -flushing mouths.

[0010] The utility model further sets up, the bottom of keel frame is provided with second elastic connecting piece, the bottom of second elastic connecting piece is provided with bottom vibration frame, the bottom of bottom vibration frame is provided with protective rubber pad, realize the elastic support of filter bag body bottom.

[0011] The utility model further sets up, the tail end of bottom vibration frame is upturned and forms protective end and improves the protection of the bottom of filter bag body and reduces end abrasion.

[0012] The utility model further sets up, first elastic connecting piece includes the first spring and first limit telescopic link between longitudinal frame and side edge vibration strip, first spring is sleeved in the outside of first limit telescopic link, realizes the elastic stable installation of side edge vibration strip on longitudinal frame.

[0013] The utility model further sets up, second elastic connecting piece includes the second spring and second limit telescopic link between the bottom of keel frame and bottom vibration frame, second spring is sleeved in the outside of second telescopic link, realizes the elastic stable installation of bottom vibration frame at the bottom of keel frame.

[0014] The utility model further sets up, the outside of every back -flushing mouth is provided with the fairing, improves the directionality when the airflow blows out from back -flushing mouth.

[0015] The utility model further sets up, the surface of protective rubber strip is evenly provided with a plurality of protective convex points, further improves the surface protection effect of protective rubber strip, reduces the abrasion of filter bag body when using, improves the protection performance.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the utility model provides a self -cleaning dust filter bag, has the following beneficial effects:

[0018] 1. The utility model provides a filter bag body, the utility model discloses a keel frame, the keel frame includes longitudinal frame and is used for connecting the transverse frame of longitudinal frame, the outside of longitudinal frame is provided with first elastic connecting piece, the outside of first elastic connecting piece is provided with side edge vibration strip, the surface of side edge vibration strip is provided with protective rubber strip, the outside of keel frame is provided with filter bag body, and protective rubber strip contacts with the inner wall of filter bag body, like this, when the airflow passes through filter bag body, filter bag body is extruded to side edge vibration strip direction, and first elastic connecting piece is extruded through side edge vibration strip, thereby can make first elastic connecting piece produce compression elastic force, when the extrusion force of filter bag body is changed under the airflow, can make filter bag body automatically vibrate under the elasticity of first elastic connecting piece, thereby when the airflow passes through filter bag body, make filter bag body can produce self -vibration, thereby can in time shake off the impurity that adheres on the outer surface of filter bag body, avoid the accumulation of dust impurity on the outer surface of filter bag body, improve the self -cleaning effect of filter bag body in the use process, improve the filtering effect of filter bag body.

[0019] 2. The utility model discloses a protective rubber strip can reduce the direct contact and friction of filter bag body and side edge vibration strip, improve the protection of filter bag body in the use process, reduce the wear and tear of filter bag body in the use process.

[0020] 3. The utility model discloses a compression gas supply pipe is provided with at the top of keel frame, and the inside top of keel frame is provided with backflushing head that backflushing pipe extends to, is provided with backflushing pipe on backflushing head through sealing bearing, evenly set up a plurality of backflushing ports on backflushing pipe, wherein, compression gas supply pipe connects compressed airflow supply equipment, thereby when needing to clean filter bag body, can deliver compressed airflow to backflushing head through compression gas supply pipe, and pass through backflushing head and pass to backflushing pipe, and make filter bag body expand outward through the backflushing port of backflushing pipe and blow out evenly, so that filter bag body outward adhered dust impurity is shaken off, realizes the self -cleaning of filter bag body in the use process.

[0021] 4. Here, the utility model discloses that backflushing pipe is installed on backflushing head through sealing bearing, like this, when the airflow flows into backflushing pipe and blows out outward through backflushing port, under the action of the impact of airflow, will make backflushing pipe produce rotation on backflushing head, thereby can improve the uniformity of filter bag body when reverse blowing and cleaning, improve the cleaning fullness of filter bag body.

[0022] 5、The utility model discloses a second elastic connecting piece is provided at the bottom end of keel frame, the bottom end of second elastic connecting piece is provided with bottom vibration frame, the bottom end of bottom vibration frame is provided with protective rubber pad, can realize the elastic installation of the bottom of filter bag body at the bottom end of keel frame to when filtering the airflow through filter bag body, can further improve the automatic vibration effect of filter bag body, improve the automatic cleaning effect of filter bag body in the use process, through second elastic connecting piece can realize the elastic pressure of bottom vibration frame to filter bag body inside bottom end. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is whole structure schematic diagram of the utility model discloses a kind of self-cleaning dust filter bag;

[0024] Figure 2 It is whole structure cross-sectional view schematic diagram of the utility model;

[0025] Figure 3 It is installation structure schematic diagram of side edge vibration strip in the utility model;

[0026] Figure 4 It is installation structure schematic diagram of bottom shock-absorbing frame in the utility model;

[0027] Figure 5 It is the cooperation structure schematic diagram between backflush pipe, backflush mouth and fairing in the utility model.

[0028] In the drawing: 1, keel frame;2, longitudinal frame;3, transverse frame;4, first elastic connecting piece;5, side edge vibration strip;6, protective rubber strip;7, filter bag body;8, compressed air supply pipe;9, backflush head;10, backflush pipe;11, backflush mouth;12, second elastic connecting piece;13, bottom vibration frame;14, protective rubber pad;15, protective end;16, first spring;17, first limiting telescopic rod;18, second spring;19, second limiting telescopic rod;20, fairing;21, protective convex point. DETAILED DESCRIPTION

[0029] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with embodiments.

[0030] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0031] In the utility model, in the case that no opposite statement is made, the orientation such as "up, down" is usually for the direction shown in the drawing, or for the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is usually for the left, right shown in the drawing; "inner, outer" refers to the inner, outer relative to the contour of each component itself, but the above orientation words are not used to limit the utility model.

[0032] Please refer to Figures 1-5 A self-cleaning dust removal filter bag, comprising a keel frame 1, the keel frame 1 includes longitudinal frame 2 and the transverse frame 3 for connecting longitudinal frame 2, the outer side of longitudinal frame 2 is provided with first elastic connecting piece 4, the outer side of first elastic connecting piece 4 is provided with side edge vibration strip 5, the surface of side edge vibration strip 5 is provided with protective rubber strip 6, the outer side of keel frame 1 is provided with filter bag body 7, protective rubber strip 6 is in contact with the inner wall of filter bag body 7, so that when airflow passes through filter bag body 7, filter bag body 7 is extruded to the direction of side edge vibration strip 5, first elastic connecting piece 4 is extruded through side edge vibration strip 5, so that first elastic connecting piece 4 can generate compression elastic force, when the extrusion force of filter bag body 7 changes under the action of first elastic connecting piece 4, filter bag body 7 can automatically vibrate, so that filter bag body 7 can generate self-vibration when airflow passes through filter bag body 7, so that the impurities adhered to the outer surface of filter bag body 7 can be shaken off in time, the accumulation of dust and impurities on the outer surface of filter bag body 7 is avoided, the self-cleaning effect of filter bag body 7 in the use process is improved, and the filtering effect of filter bag body 7 is improved.

[0033] Among them, the setting of protective rubber strip 6 can reduce the direct contact and friction between filter bag body 7 and side edge vibration strip 5, improve the protection of filter bag body 7 in the use process, and reduce the wear of filter bag body 7 in the use process.

[0034] The utility model is provided with compressed gas supply pipe 8 at the top of keel frame 1, the inside top of keel frame 1 is provided with blowback head 9, blowback pipe 10 is provided with blowback head 9 through sealing bearing, blowback pipe 10 is uniformly provided with a plurality of blowback ports 11, wherein compressed gas supply pipe 8 is connected with compressed airflow supply equipment, so that when filter bag body 7 needs to be cleaned, compressed airflow can be delivered to blowback head 9 through compressed gas supply pipe 8, and then transmitted to blowback pipe 10 through blowback head 9, and then uniformly blown out through blowback port 11 on blowback pipe 10, so that filter bag body 7 expands outward, and the dust and impurities adhered to the outer surface of filter bag body 7 are shaken off, realizing the self-cleaning of filter bag body 7 in the use process.

[0035] Herein, the utility model discloses the reverse blowing pipe 10 is installed on the reverse blowing head 9 through the sealing bearing, like this, the compressed air flow is flowed into the reverse blowing pipe 10, and blows outwards through the reverse blowing port 11, due to the impetus of air flow, will make the reverse blowing pipe 10 produce rotation on the reverse blowing head 9, to improve the uniformity of filter bag body 7 when reverse blowing cleaning, improve the cleaning sufficiency of filter bag body 7.

[0036] The utility model discloses the bottom vibration frame 13 of second elastic connecting piece 12's bottom is provided with the protection rubber pad 14, can realize the bottom of filter bag body 7's elastic installation at the bottom end of keel frame 1, to improve the automatic vibration effect of filter bag body 7 further when the air flow is filtered through filter bag body 7, improve the automatic cleaning effect of filter bag body 7 in the use process, through second elastic connecting piece 12 can realize the elastic pressure of bottom vibration frame 13 to filter bag body 7 inside bottom end.

[0037] Please refer to Figures 1-5 , as to the bottom vibration one embodiment: the tail end of bottom vibration frame 13 is formed with the protection end 15 that rises upwards.

[0038] Specifically, the tail end of bottom vibration frame 13 is more smooth and smooth through the setting of protection end 15, to reduce the abrasion between bottom vibration frame 13 and filter bag body 7.

[0039] Please refer to Figures 1-5 , as to the first elastic connecting piece 4 one embodiment: first elastic connecting piece 4 includes the first spring 16 and the first limiting telescopic rod 17 between longitudinal frame 2 and side edge vibration strip 5, and the first spring 16 is arranged on the outside of first limiting telescopic rod 17.

[0040] Specifically, the elastic connection between side edge vibration strip 5 and longitudinal frame 2 is realized through first spring 16, and the setting of first limiting telescopic rod 17 can improve the installation stability and movement limit of side edge vibration strip 5.

[0041] Please refer to Figures 1-5 , as to the second elastic connecting piece 12 one embodiment: second elastic connecting piece 12 includes the second spring 18 and the second limiting telescopic rod 19 between the bottom end of keel frame 1 and bottom vibration frame 13, and the second spring 18 is sleeved on the outside of second telescopic rod.

[0042] Specifically, the elastic connection between bottom vibration frame 13 and the bottom end of keel frame 1 is realized through second spring 18, and the setting of second limiting telescopic rod 19 can improve the installation stability and movement limit of bottom vibration frame 13 at the bottom end of keel frame 1.

[0043] As shown in Figures 1-5 , as an embodiment of the back blowing pipe 10: the outer side of each back blowing port 11 is provided with a flow guide cover 20.

[0044] Specifically, through the setting of the flow guide cover 20, the airflow blown out of the back blowing port 11 can be guided, so that the rotating drive of the back blowing pipe 10 during blowing can be better realized, and the back blowing cleaning effect on the filter bag body 7 can be improved.

[0045] As shown in Figures 1-5 , as an embodiment of the protective rubber strip 6: the surface of the protective rubber strip 6 is uniformly provided with a plurality of protective protrusions 21.

[0046] Specifically, through the setting of the protective protrusions 21, the elastic support of the side edge of the filter bag body 7 can be further improved, while the contact area between the protective rubber strip 6 and the filter bag body 7 can be reduced, and the abrasion of the filter bag body 7 can be reduced.

[0047] In summary, when the overall device is in use:

[0048] The filter bag body 7 is installed through the keel frame 1. During use, the airflow enters the inside of the filter bag body 7 from the outside of the filter bag body 7, and the dust in it is intercepted by the filter bag body 7 to achieve the filtration of the dust in the airflow;

[0049] During this process, when the airflow passes through the filter bag body 7, it will squeeze the filter bag body 7 towards the side edge vibration strip 5, and squeeze the first spring 16 through the side edge vibration strip 5, so that the first spring 16 generates compression elastic force. When the squeezing force of the filter bag body 7 by the airflow changes, the side edge vibration strip 5 can push the filter bag body 7 to automatically vibrate under the elastic action of the first spring 16, so that the filter bag body 7 can generate self-vibration when the airflow passes through the filter bag body 7, so that the dust and impurities intercepted on the outer surface of the filter bag body 7 can be shaken off in time, avoiding the accumulation of dust and impurities on the outer surface of the filter bag body 7, improving the self-cleaning effect of the filter bag body 7 during use, and improving the filtering effect of the filter bag body 7;

[0050] Among them, the surface of the side edge vibration strip 5 is provided with a protective rubber strip 6, which can reduce the direct contact and friction between the filter bag body 7 and the side edge vibration strip 5, improve the protection of the filter bag body 7 during use, and reduce the abrasion of the filter bag body 7 during use;

[0051] At the same time, when the airflow flows through the filter bag body 7, the bottom vibration frame 13 will elastically squeeze the bottom of the filter bag body 7 under the action of the second spring 18, which can improve the shaking effect of the filter bag body 7 during use, and improve the self-cleaning effect and efficiency of the filter bag body 7;

[0052] When the surface of the filter bag body 7 adheres more dust impurities, the external compressed air flow can be delivered to the back blowing head 9 through the compressed air supply pipe 8, and transmitted to the back blowing pipe 10 through the back blowing head 9, and uniformly blown out through the back blowing port 11 on the back blowing pipe 10, so that the filter bag body 7 expands outward, thereby shaking off the dust impurities adhered to the outer surface of the filter bag body 7, and realizing self-cleaning of the filter bag body 7 during use.

[0053] Here, the utility model will back blowing pipe 10 install on back blowing head 9 through sealing bearing, like this, compressed air flow flows into back blowing pipe 10, and blows out outward through back blowing port 11, because the impetus of air flow and the flow guiding effect of flow guide cover 20, will make back blowing pipe 10 produce rotation on back blowing head 9, like this, can uniformly with filter bag body 7 carry out reverse blowing, thereby can improve the uniformity of filter bag body 7 when reverse blowing and cleaning, improve the cleaning fullness of filter bag body 7.

[0054] In all the above-mentioned solutions, the electrical components involved, such as motors, fans, electric push rods, etc., are controlled by the controller unless otherwise specified. Since the controller is matched with commonly used devices, its control principle and circuit connection are all existing and mature technologies, and their electrical connection relationship and specific circuit structure are not described here.

[0055] In all the above-mentioned solutions, the motor can be matched with a speed reducer if necessary. The connection structure and working principle between the motor and the speed reducer are existing and mature technologies, and the utility model does not need to be described in detail.

[0056] In all the above-mentioned solutions, the solar panel and the battery connection can be matched with an inverter, a battery charging controller, a cable, a fuse, a bracket and other essential accessories. Their control principle and circuit connection are all existing and mature technologies, and their electrical connection relationship and specific circuit structure are not described here.

[0057] In all the above-mentioned solutions, the connection between two components can be selected according to actual conditions, such as welding, bolt and nut connection, bolt or screw connection or other known connection methods. This will not be described one by one. In the above-mentioned solutions, welding is preferred for fixed connection. Although embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model. The scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A self-cleaning dust filter bag comprising a spine frame (1) comprising longitudinal frames (2) and cross frames (3) for connecting the longitudinal frames (2), characterized in that: The outer side of the longitudinal frame (2) is provided with a first elastic connecting piece (4), the outer side of the first elastic connecting piece (4) is provided with a side edge vibration strip (5), the surface of the side edge vibration strip (5) is provided with a protective rubber strip (6), the outer side of the keel frame (1) is sleeved with a filter bag body (7), the protective rubber strip (6) is in contact with the inner wall of the filter bag body (7), the top end of the keel frame (1) is provided with a compressed air supply pipe (8), the inner top end of the back blowing pipe (10) extending to the keel frame (1) is provided with a back blowing head (9), the back blowing head (9) is provided with a back blowing pipe (10) through a bearing, and a plurality of back blowing openings (11) are uniformly arranged on the back blowing pipe (10).

2. A self-cleaning dust bag according to claim 1, characterized in that: The bottom end of the keel frame (1) is provided with a second elastic connecting piece (12), the bottom end of the second elastic connecting piece (12) is provided with a bottom vibration frame (13), and the bottom end of the bottom vibration frame (13) is provided with a protective rubber pad (14).

3. A self-cleaning dust bag according to claim 2, characterised in that: The tail end of the bottom vibration frame (13) is upwardly curved to form a protective end head (15).

4. A self-cleaning dust bag according to claim 1, characterized in that: The first elastic connecting piece (4) comprises a first spring (16) and a first limiting telescopic rod (17) arranged between the longitudinal frame (2) and the side edge vibration strip (5), and the first spring (16) is sleeved outside the first limiting telescopic rod (17).

5. A self-cleaning dust bag according to claim 3, characterized in that: The second elastic connecting piece (12) comprises a second spring (18) and a second limiting telescopic rod (19) arranged between the bottom end of the keel frame (1) and the bottom vibration frame (13), and the second spring (18) is sleeved outside the second telescopic rod.

6. A self-cleaning dust bag according to any one of claims 1 to 5, characterised in that: The outer side of each back blowing opening (11) is provided with a flow guide cover (20).

7. A self-cleaning dust bag according to claim 1, characterized in that: The surface of the protective rubber strip (6) is uniformly provided with a plurality of protective convex points (21).

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