CN223687633U - A centrifugal fan for conveying powder with noise reduction - Google Patents
A centrifugal fan for conveying powder with noise reductionInfo
- Publication number
- CN223687633U CN223687633U CN202520221396.6U CN202520221396U CN223687633U CN 223687633 U CN223687633 U CN 223687633U CN 202520221396 U CN202520221396 U CN 202520221396U CN 223687633 U CN223687633 U CN 223687633U
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- fan
- block
- fixedly connected
- noise reduction
- main body
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Abstract
The utility model belongs to the field of centrifugal fans, in particular to a centrifugal fan with noise reduction for powder conveying, which comprises an outer main body of the fan, wherein the bottom end of the outer main body of the fan is fixedly connected with a base, a detachable filter mechanism is arranged on the outer side of the outer main body of the fan, the detachable filter mechanism comprises a motor, the motor is arranged at the rear end of the outer main body of the fan, the motor is fixedly connected with the outer main body of the fan, the front end of the motor passes through the rear end of the outer main body of the fan to reach the inside of the outer main body of the fan, the function of reducing noise is realized through the design of the detachable filter mechanism, the problem that the ears of workers are damaged when the staff works in a noisy environment for a long time without noise reduction treatment is solved, and the noise is reduced because the high-speed rotation of the existing centrifugal fan is adopted.
Description
Technical Field
The utility model relates to the field of centrifugal fans, in particular to a centrifugal fan with noise reduction for powder conveying.
Background
The centrifugal fan works according to the principle that kinetic energy is converted into potential energy, and the gas is accelerated by utilizing an impeller rotating at a high speed, and then the flow direction is changed by decelerating, so that the kinetic energy is converted into potential energy (pressure).
The conventional centrifugal fan for powder conveying can be specifically referred to as a powder conveying fan with the application number of CN201920526786.9, the powder conveying fan is used for conveying crushed wax into a material tower, compared with a traditional structure conveying fan, the powder conveying fan has the advantages that the energy consumption is reduced under the condition that the material conveying efficiency is obviously improved, meanwhile, the noise reduction during the operation of equipment is obvious, the working environment of a production workshop is improved, the structure of the conveying fan is simple, the maintenance is easy, and continuous production can be realized. The powder conveying fan is used for conveying crushed wax materials into the material tower, compared with a traditional conveying fan, the powder conveying fan has the advantages that the energy consumption is reduced under the condition that the material conveying efficiency is obviously improved, meanwhile, the noise of equipment in operation is obviously reduced, the working environment of a production workshop is improved, the structure of the conveying fan is simple, the maintenance is easy, and continuous production can be realized;
The centrifugal fan is not provided with a component capable of reducing noise, and when the centrifugal fan is started, large noise is generated due to high-speed rotation, if noise is not reduced, staff can easily cause damage to ears of the staff when the staff works in a noisy environment for a long time, so that the centrifugal fan for conveying powder with noise reduction is provided for the problems.
Disclosure of utility model
In order to make up the deficiency of the prior art, the existing centrifugal fan is not provided with a component capable of being used for noise reduction, and large noise can be generated due to high-speed rotation when the centrifugal fan is started, if noise reduction treatment is not carried out on the noise, staff can easily cause the problem that ears of the staff are damaged when working in a noisy environment for a long time.
The utility model solves the technical problems by adopting the technical scheme that the centrifugal fan with the noise reduction for powder conveying comprises an outer main body of the fan, wherein the bottom end of the outer main body of the fan is fixedly connected with a base, and a detachable filter mechanism is arranged on the outer side of the outer main body of the fan;
The detachable filter mechanism comprises a motor, the motor is arranged at the rear end of the outer main body of the fan, the motor is fixedly connected with the outer main body of the fan, the front end of the motor penetrates through the rear end of the outer main body of the fan to reach the inside of the outer main body of the fan, the front end of the motor is fixedly connected with an impeller, and the inner wall of the outer main body of the fan is fixedly connected with a noise reduction block.
Preferably, one side of the outer main body of the fan is fixedly connected with a suction pipe, the other side of the outer main body of the fan is fixedly connected with a conveying pipe, and the suction pipe and the conveying pipe are communicated with the inside of the outer main body of the fan.
Preferably, the right side end of the suction pipe is provided with a first fixed block, the front end and the rear end of the first fixed block are fixedly connected with fixed seats in the same way, the outer sides of the fixed seats are sleeved with rotating blocks, and the fixed seats are rotationally connected with the rotating blocks.
Preferably, the inside plug-in block one end that inserts of turning block, and turning block sliding connection have the plug-in block, the plug-in block other end inserts and establishes inside the second fixed block, and plug-in block sliding connection has the second fixed block, second fixed block one end fixedly connected with suction tube.
Preferably, the upper end and the lower end of the inside of the rotating block are also fixedly connected with reset springs, the other ends of the reset springs are fixedly connected with inserting blocks, and the inside of the first fixed block is fixedly connected with a filter plate.
Preferably, the upper end and the lower end of one end of the inserting block are fixedly connected with one end of a sliding block, the upper end and the lower end of the rotating block are also provided with sliding grooves, the other end of the sliding block is inserted into the sliding grooves, and the sliding blocks are in sliding connection with the sliding grooves.
The utility model has the advantages that:
1. According to the utility model, through the structural design of the noise reduction block, the function of reducing noise is realized, the problem that the ears of a worker are easily damaged when the worker works in a noisy environment for a long time without noise reduction treatment because the centrifugal fan is started and high noise is generated due to high-speed rotation is solved;
2. According to the utility model, through the structural design of the detachable filtering mechanism, the function of shielding and filtering the foreign matters and larger particles is realized, the problem that the centrifugal fan is not provided with a component for filtering, and when powder is conveyed, if larger powder or sundries are sucked into the centrifugal fan, the situation of blockage in the centrifugal fan is extremely easy to occur, so that the problem of later maintenance probability is increased, and the foreign matters are reduced.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a first partial cross-sectional structure of the present utility model;
FIG. 3 is a schematic view of a second partial cross-sectional structure of the present utility model;
FIG. 4 is an enlarged schematic structural view of the portion A of FIG. 1 according to the present utility model;
fig. 5 is a schematic diagram of the structure of the enlarged schematic diagram at B in fig. 2 according to the present utility model.
Fig. 6 is an enlarged schematic diagram of fig. 2C according to the present utility model.
Fig. 7 is a schematic diagram of the structure of the enlarged schematic diagram of fig. 3D according to the present utility model.
In the figure, 1, a fan outer main body; 2, a base, 10, a motor, 11, an impeller, 12, a noise reduction block, 13, a suction pipe, 14, a conveying pipe, 15, a first fixed block, 16, a fixed seat, 17, a rotating block, 18, an inserting block, 19, a second fixed block, 20, a sliding chute, 21, a sliding block, 22, a filter plate, 23 and a return spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-7, a centrifugal fan with noise reduction for powder conveying comprises an outer main body 1 of the fan, wherein the bottom ends of the outer main body 1 of the fan are welded together to form a base 2, and a detachable filter mechanism is arranged outside the outer main body 1 of the fan;
The detachable filter mechanism comprises a motor 10, wherein the motor 10 is arranged at the rear end of a fan outer main body 1, the motor 10 is welded together to form the fan outer main body 1, the front end of the motor 10 passes through the rear end of the fan outer main body 1 to reach the inside of the fan outer main body 1, the front ends of the motor 10 are welded together to form an impeller 11, the inner walls of the fan outer main body 1 are adhered together to form a noise reduction block 12, and the noise reduction block 12 is made of rubber;
During operation, the motor 10 at the rear end of the fan outer body 1 is started to drive the impeller 11 inside the fan outer body 1 to rotate, and when the impeller 11 rotates, larger noise is generated, and the noise is absorbed and isolated by the noise reduction block 12 on the inner wall of the fan outer body 1, so that the noise is reduced.
Further, one side of the outer main body 1 of the fan is welded together to form a suction pipe 13, the other side of the outer main body 1 of the fan is welded together to form a conveying pipe 14, and the suction pipe 13 and the conveying pipe 14 are communicated with the inside of the outer main body 1 of the fan;
in operation, the impeller 11 rotates to generate suction force, and powder is sucked into the fan outer body 1 through the suction pipe 13, and when the suction pipe 13 sucks, the powder is filtered through the filter plate 22 in the first fixed block 15 and then discharged through the delivery pipe 14.
Further, a first fixed block 15 is arranged at the right side end of the suction pipe 13, a fixed seat 16 is welded at the front end and the rear end of the first fixed block 15, a rotating block 17 is sleeved outside the fixed seat 16, the fixed seat 16 is rotationally connected with the rotating block 17, and the inner wall of the rotating block 17 sleeved outside the fixed seat 16 is in a circular design;
during operation, the rotating block 17 is rotated outwards, and the rotating block 17 rotates along the outer side of the fixed seat 16 until the rotating block 17 is completely opened, and then the rotating block can be removed.
Further, one end of an inserting block 18 is inserted into the rotating block 17, the inserting block 18 is connected with the rotating block 17 in a sliding way, the other end of the inserting block 18 is inserted into the second fixing block 19, the inserting block 18 is connected with the second fixing block 19 in a sliding way, one end of the second fixing block 19 is welded with the suction pipe 13, and the inserting block 18 is in a square design;
During operation, the insert blocks 18 at the front end and the rear end are pulled outwards simultaneously, one end of the insert block 18 is driven to move outwards along the inner wall of the rotating block 17, and the other end of the insert block 18 moves outwards along the inner part of the second fixed block 19 until the other end of the insert block 18 is completely separated from the inner part of the second fixed block 19.
Further, the upper and lower ends of the inside of the rotating block 17 are welded together with a return spring 23, the other end of the return spring 23 is welded together with an inserting block 18, and the inside of the first fixed block 15 is welded together with a filter plate 22;
when in operation, the insert block 18 is pulled, and the reset spring 23 inside the rotating block 17 is driven to be stretched and prolonged.
Further, the upper and lower ends of one end of the insertion block 18 are welded together to form one end of a sliding block 21, the upper and lower ends of the rotation block 17 are also provided with sliding grooves 20, the other end of the sliding block 21 is inserted into the sliding grooves 20, the sliding block 21 is connected with the sliding grooves 20 in a sliding manner, and the sliding block 21 and the sliding grooves 20 are both square;
in operation, the insert block 18 pulls to drive the slide block 21 to slide along the inside of the slide groove 20.
When the powder is conveyed, the motor 10 at the rear end of the outer main body 1 of the fan is started to drive the impeller 11 in the outer main body 1 of the fan to rotate, and when the impeller 11 rotates, larger noise is generated, the noise is absorbed and isolated by the noise reduction block 12 on the inner wall of the outer main body 1 of the fan, so that the noise is reduced, meanwhile, the impeller 11 rotates to generate suction force, the powder is sucked into the outer main body 1 of the fan through the suction pipe 13, and when the suction pipe 13 is sucked, the powder is filtered through the filter plate 22 in the first fixed block 15 and then is discharged through the conveying pipe 14.
When the filter piece is required to be dismantled and is convenient to clean and maintain at the later stage, the insert block 18 at the front end and the rear end is pulled outwards simultaneously, one end of the insert block 18 is driven to move outwards along the inner wall of the rotating block 17, the other end of the insert block 18 is simultaneously moved outwards along the inner wall of the second fixed block 19 until the other end of the insert block 18 is completely separated from the inner part of the second fixed block 19, the return spring 23 in the rotating block 17 is driven to be stretched and prolonged simultaneously by pulling the insert block 18, the slide blocks 21 at the upper end and the lower end of the insert block 18 are driven to move outwards along the inner wall of the slide groove 20 when the insert block 18 is pulled, the slide blocks 21 are driven to slide along the inner wall of the slide groove 20, the rotating block 17 is then rotated outwards, and the rotating block 17 is rotated outwards along the outer side of the fixed seat 16 until the rotating block 17 is completely opened, and then the filter piece can be removed.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520221396.6U CN223687633U (en) | 2025-02-12 | 2025-02-12 | A centrifugal fan for conveying powder with noise reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520221396.6U CN223687633U (en) | 2025-02-12 | 2025-02-12 | A centrifugal fan for conveying powder with noise reduction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223687633U true CN223687633U (en) | 2025-12-19 |
Family
ID=98017173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520221396.6U Active CN223687633U (en) | 2025-02-12 | 2025-02-12 | A centrifugal fan for conveying powder with noise reduction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223687633U (en) |
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2025
- 2025-02-12 CN CN202520221396.6U patent/CN223687633U/en active Active
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