CN220939630U - A bag dust collector with easy bag replacement - Google Patents

Abstract

The utility model discloses a bag dust collector that is easy to replace bags, including a support frame, a dust removal box, a negative pressure pump and multiple groups of bag bodies, wherein the dust removal box is fixedly connected to the inner wall of the support frame and close to the upper end. According to the utility model, after the front door is opened by a sliding structure, the porous plate and multiple groups of bag bodies are pulled to the outside of the dust removal box for easy replacement. During the pulling process, the second dust hopper is driven to rotate forward along the rotating shaft by a tension spring. When the bag body is pulled outside the dust removal box, the open mouth of the second dust hopper is below the porous plate. When the bag body is replaced, the negative pressure pump is turned on to form a negative pressure airflow inside the second dust hopper through the negative pressure pump. The dust generated when the bag body is disassembled can be adsorbed into the second dust hopper by its own weight and the negative pressure airflow, and intercepted by a filter to prevent the dust from floating to the external environment.

Description

A bag dust collector with easy bag replacement

Technical Field

The utility model relates to the technical field of dust collectors, in particular to a bag dust collector with convenient bag replacement.

Background technique

A bag dust collector is a dust removal device that uses fiber fabrics or filling layers as filter media. It is mainly used in places where fine dust is captured. After long-term use, the dust bags in the dust collector inevitably need to be replaced. However, the current bag dust collectors are not easy to replace, and the replacement process is relatively complicated, resulting in unsatisfactory work efficiency. Therefore, it is urgent to design a bag dust collector that is easy to replace the bags to solve the above problems. To this end, a public technology proposes a bag dust collector that is easy to replace the bags, including a dust box and a symmetrically arranged support frame. The improved technology is through the electromagnetic Pulse valve and air storage bag, open the electromagnetic pulse valve, cooperate with the venturi tube, injection pipe and air storage bag to achieve the vibration effect of the dust bag, so that the dust in the dust bag falls into the ash collecting hopper, and then open the discharge valve to discharge the dust into the external environment through the discharge pipe. However, in actual application, this technology cannot usually be completely removed when the dust in the bag is shaken off by the vibration of the dust bag, especially the installation connection of the dust bag, which will get a lot of dust stuck. At this time, when moving to the outside of the dust box to replace the dust bag, it is easy to cause the residual dust to return to the external environment;

Therefore, it is necessary to improve the structure of the bag filter so that the bags can be replaced more conveniently and the dust can be reduced from flying to the outside during the bag replacement process.

Utility Model Content

The utility model aims to solve the shortcomings in the prior art and proposes a bag dust collector which is easy to replace the bag.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a bag dust collector that is easy to replace bag, comprising a support frame, a dust box, a negative pressure pump and multiple groups of bag bodies, the dust box is fixedly connected to the inner side wall of the support frame and close to the upper end position, the side wall of the dust box is fixedly connected to the air inlet pipe, the upper wall of the dust box is fixedly connected to the back-blowing air pipe and the air outlet pipe in sequence according to the left and right distribution, the lower wall of the dust box is provided with a first dust hopper, the front wall of the dust box is slidably connected to the front door through a sliding structure, the side of the front door facing the inside of the dust box is fixedly connected to a porous plate, multiple groups of bag bodies are fixedly connected to the lower wall of the porous plate, the inner side wall of the support frame and located below the dust box is rotatably connected to a second dust hopper through two rotating shafts, a linkage structure for linkage is provided between the second dust hopper and the front door, the inner side wall of the second dust hopper is provided with a filtering structure for filtering, and the front wall of the second dust hopper is provided with a joint structure for connecting with the negative pressure pump.

As a further description of the above technical solution:

The sliding structure includes four groups of sliding seats, sliding rods and limit blocks. The four groups of sliding seats are fixedly connected to the inner left wall and the inner right wall of the dust removal box in groups of two. The four groups of sliding rods are fixedly connected to the rear wall of the front door and are respectively opposite to the four groups of sliding seats in front and behind. The end of the sliding rod away from the front door passes through the inner wall of the sliding seat and is slidably connected thereto.

As a further description of the above technical solution:

The four groups of limit blocks are respectively fixedly connected to the ends of the four groups of slide bars away from the front door.

As a further description of the above technical solution:

The linkage structure includes a connecting plate, a connecting rod and a tension spring. The connecting plate is fixedly connected to the front wall of the front door and close to the lower end. The connecting rod is fixedly connected to the front wall of the second ash hopper. The tension spring is arranged between the connecting plate and the connecting rod.

As a further description of the above technical solution:

The filter structure is a filter screen, and the filter screen is detachably connected to the inner wall of the second ash hopper.

As a further description of the above technical solution:

The joint structure is a negative pressure pipe joint, which is fixedly connected to the front wall of the second ash hopper and close to the lower end. The negative pressure pipe joint is connected to the inside of the second ash hopper, and the end of the negative pressure pipe joint away from the second ash hopper is connected to the negative pressure pump through an air pipe.

The utility model has the following beneficial effects:

Compared with the prior art, the bag-type dust collector is easy to replace bags. After the front door is opened by the sliding structure, the porous plate and multiple groups of bag bodies are pulled to the outside of the dust collection box for easy replacement. During the pulling process, the second ash hopper is driven to rotate forward along the rotating shaft by the tension spring. When the bag body is pulled out of the dust collection box, the open mouth of the second ash hopper is under the porous plate. While replacing the bag body, the negative pressure pump is turned on to form a negative pressure airflow inside the second ash hopper through the negative pressure pump. The dust generated when disassembling the bag body can be adsorbed into the second ash hopper by its own weight and the negative pressure airflow, and intercepted by the filter to prevent the dust from floating into the external environment.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the overall structure of a bag filter for easy bag replacement proposed by the present invention;

FIG2 is a partial sectional side view of the internal structure of a dust removal box of a bag filter for easy bag replacement proposed by the present invention;

FIG3 is a partial sectional side view of the internal structure of the second dust hopper of a bag filter for easy bag replacement proposed by the present invention.

illustration:

1. Support frame; 2. Dust removal box; 3. First ash hopper; 4. Air inlet pipe; 5. Air outlet pipe; 6. Back-blowing air duct; 7. Front door; 8. Rotating shaft; 9. Second ash hopper; 10. Filter screen; 11. Negative pressure pipe joint; 12. Connecting plate; 13. Connecting rod; 14. Tension spring; 15. Perforated plate; 16. Cloth bag body; 17. Sliding seat; 18. Sliding rod; 19. Limit block.

Detailed ways

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

1 to 3, the utility model provides a bag dust collector which is easy to replace the bag: it comprises a support frame 1, a dust collecting box 2, a negative pressure pump and a plurality of bag bodies 16. The dust collecting box 2 is fixedly connected to the inner side wall of the support frame 1 and close to the upper end position. The side wall of the dust collecting box 2 is fixedly connected with an air inlet pipe 4. The upper wall of the dust collecting box 2 is fixedly connected with a back-blowing air pipe 6 and an air outlet pipe 5 in sequence according to the left and right distribution. The lower wall of the dust collecting box 2 is provided with a first dust accumulating hopper 3. The front wall of the dust collecting box 2 is slidably connected with a front door 7 through a sliding structure. The front door 7 is fixedly connected with a porous plate 15 on one side facing the inside of the dust collecting box 2. The plurality of bag bodies 16 are fixedly connected to the lower wall of the porous plate 15. When the dust collecting is working, the dust-laden air enters the dust collecting box 2 through the air inlet pipe 4, and the dust in the dust-laden air is intercepted by the plurality of bag bodies 16. The clean air is discharged from the air outlet pipe 5. When the bag bodies 16 need to be cleaned, compressed air is introduced through the back-blowing air pipe 6 for back-blowing cleaning.

The sliding structure includes four groups of sliding seats 17, sliding rods 18 and limiting blocks 19. The four groups of sliding seats 17 are fixedly connected to the inner left wall and the inner right wall of the dust removal box 2 in groups of two. The four groups of sliding rods 18 are fixedly connected to the rear wall of the front door 7 and are respectively opposite to the front and rear of the four groups of sliding seats 17. The end of the sliding rod 18 away from the front door 7 passes through the inner wall of the sliding seat 17 and is slidably connected thereto. The four groups of limiting blocks 19 are respectively fixedly connected to the ends of the four groups of sliding rods 18 away from the front door 7. The front door 7 and the dust removal box 2 are locked by a common locking structure on the market and sealed by a common sealing structure. When the bag body 16 needs to be replaced, the locking structure is released, and the front door 7 is pulled forward, and the porous plate 15 can be pulled out to the outside of the dust removal box 2 by the sliding rod 18 and the sliding seat 17, thereby facilitating the replacement operation of the bag body 16. The limiting block 19 is to limit the pulling range of the front door 7 to prevent the sliding rod 18 from completely falling out of the sliding seat 17.

The inner wall of the support frame 1 and located below the dust box 2 is rotatably connected with a second dust hopper 9 through two rotating shafts 8. The second dust hopper 9 can rotate forward and backward through the two rotating shafts 8. When the bag body 16 is replaced, the second dust hopper 9 is taken out. When the dust box 2 is in dust removal operation, the second dust hopper 9 is stored inside the support frame 1;

A linkage structure for linkage is provided between the second ash hopper 9 and the front door 7, and the linkage structure includes a connecting plate 12, a connecting rod 13 and a tension spring 14. The connecting plate 12 is fixedly connected to the front wall of the front door 7 and close to the lower end, and the connecting rod 13 is fixedly connected to the front wall of the second ash hopper 9. The tension spring 14 is provided between the connecting plate 12 and the connecting rod 13. When the front door 7 moves forward or backward, the second ash hopper 9 can be driven to rotate along the rotating shaft 8 through the connection of the tension spring 14 to form a linkage;

The front wall of the second ash hopper 9 is provided with a joint structure for connecting with a negative pressure pump, and the joint structure is a negative pressure pipe joint 11, which is fixedly connected to the front wall of the second ash hopper 9 and close to the lower end. The negative pressure pipe joint 11 is connected to the inside of the second ash hopper 9, and the end of the negative pressure pipe joint 11 away from the second ash hopper 9 is connected to the negative pressure pump through an air pipe. The dust generated when the bag body 16 is replaced, part of it falls into the second ash hopper 9 by its own weight, and part of it is attracted by the negative pressure airflow formed by the opening of the second ash hopper 9 by the negative pressure pump, and also falls into the second ash hopper 9, thereby preventing dust from floating to the outside;

The inner wall of the second ash hopper 9 is provided with a filtering structure for filtering, and the filtering structure is a filter screen 10. The filter screen 10 is detachably connected to the inner wall of the second ash hopper 9. When the negative pressure pump forms a negative pressure airflow, dust is intercepted through the filter screen 10.

Working principle: When dust removal is working, dust-laden air enters the dust removal box 2 through the air inlet pipe 4, and the dust in the dust-laden air is intercepted by multiple groups of bag bodies 16, and the clean air is discharged from the air outlet pipe 5. When the bag body 16 needs to be cleaned, compressed air is introduced through the back-blowing air pipe 6 for back-blowing cleaning. The front door 7 and the dust removal box 2 are locked by a common locking structure on the market, and sealed by a common sealing structure. When the bag body 16 needs to be replaced, the locking structure is released, and the front door 7 is pulled forward, and the porous plate 15 can be pulled out to the outside of the dust removal box 2 through the sliding rod 18 and the sliding seat 17, so as to facilitate the replacement operation of the bag body 16. The limit block 19 is used to limit the pulling range of the front door 7 to avoid The sliding rod 18 is completely disengaged from the sliding seat 17, and the second ash hopper 9 can rotate forward and backward through the two rotating shafts 8. When the bag body 16 is replaced, the second ash hopper 9 is brought out, and the second ash hopper 9 is stored in the support frame 1 during the dust removal operation of the dust removal box 2. When the front door 7 moves forward or backward, the second ash hopper 9 can be driven to rotate along the rotating shaft 8 through the connection of the tension spring 14 to form a linkage. Part of the dust caused when the bag body 16 is replaced falls into the second ash hopper 9 by its own weight, and part of it is attracted by the negative pressure airflow formed by the opening of the second ash hopper 9 by the negative pressure pump, and also falls into the second ash hopper 9, thereby preventing dust from floating to the outside. While the negative pressure pump forms the negative pressure airflow, the dust is intercepted by the filter 10.

Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a sack cleaner convenient to change sack, includes support frame (1), dust removal case (2), negative pressure pump and multiunit sack body (16), its characterized in that: dust collection box (2) fixedly connected with is at support frame (1) inside wall and be close to upper end position, dust collection box (2) lateral wall fixedly connected with intake pipe (4), dust collection box (2) upper wall is according to controlling distribution fixedly connected with back-blowing pipe (6), outlet duct (5) in proper order, dust collection box (2) lower wall is provided with first dust accumulation bucket (3), dust collection box (2) front wall is through sliding structure sliding connection has qianmen (7), qianmen (7) are towards dust collection box (2) inside one side fixedly connected with perforated plate (15), multiunit sack body (16) equal fixedly connected with is at perforated plate (15) lower wall, support frame (1) inside wall just is located dust collection box (2) below and is provided with second dust accumulation bucket (9) through two pivot (8) rotation connection, be provided with the linkage structure that is used for the linkage between second dust accumulation bucket (9) and qianmen (7), second dust accumulation bucket (9) inside wall is provided with the filtration structure that is used for filterable, second dust accumulation bucket (9) front wall is provided with and is used for connecting with the negative pressure structure with the pump.

2. The bag-type dust collector for facilitating replacement of a cloth bag according to claim 1, wherein: the sliding structure comprises four groups of sliding seats (17), sliding rods (18) and limiting blocks (19), wherein the four groups of sliding seats (17) are fixedly connected to the left wall and the right wall on the inner side of the dust removal box (2) in pairs, the four groups of sliding rods (18) are fixedly connected to the rear wall of the front door (7) and are respectively opposite to the four groups of sliding seats (17) in front-back direction, and one end of each sliding rod (18) far away from the front door (7) penetrates through the inner wall of the sliding seat (17) and is in sliding connection with the inner wall.

3. The bag-type dust collector for facilitating replacement of a cloth bag according to claim 2, wherein: the four groups of limiting blocks (19) are respectively and fixedly connected to the ends of the four groups of sliding rods (18) far away from the front door (7).

4. A bag-type dust collector for facilitating replacement of a cloth bag according to claim 3, wherein: the linkage structure comprises a connecting plate (12), a connecting rod (13) and a tension spring (14), wherein the connecting plate (12) is fixedly connected to the front wall of the front door (7) and is close to the lower end, the connecting rod (13) is fixedly connected to the front wall of the second ash accumulation bucket (9), and the tension spring (14) is arranged between the connecting plate (12) and the connecting rod (13).

5. The bag-type dust collector for facilitating replacement of a cloth bag according to claim 4, wherein: the filter structure is a filter screen (10), and the filter screen (10) is detachably connected to the inner side wall of the second ash accumulation bucket (9).

6. The bag-type dust collector for facilitating replacement of a cloth bag according to claim 5, wherein: the connector structure is a negative pressure pipe joint (11), the negative pressure pipe joint (11) is fixedly connected to the front wall of the second ash accumulation hopper (9) and is close to the lower end position, the negative pressure pipe joint (11) is communicated with the inside of the second ash accumulation hopper (9), and one end, far away from the second ash accumulation hopper (9), of the negative pressure pipe joint (11) is connected with a negative pressure pump through an air pipe.