Centrifugal fan convenient to clean for smelting and pouring

By introducing a rotating rod and a cleaning brush into the centrifugal fan used for smelting and casting, the filter screen dust is automatically cleaned by airflow, solving the problem of inconvenient shell disassembly and achieving a convenient dust cleaning effect.

CN223708089UActive Publication Date: 2025-12-23QINGHAI HONGLITONG METAL TECH CO LTD
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Patent Information

Application Number
CN202520294740.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2025-12-23
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

The casing of existing centrifugal fans used for smelting and casting is inconvenient to disassemble, which requires the disassembly of large equipment during maintenance, increasing the difficulty of maintenance for staff.

Method used

A structure including a housing, motor, exhaust pipe, sealing cover, filter plate, filter screen, rotating rod, and cleaning brush is designed. The rotating rod is driven by airflow to automatically clean the dust on the surface of the filter screen, reducing the frequency of manual cleaning.

Benefits of technology

It effectively reduces the probability of dust entering the housing, reduces the frequency of maintenance inside the housing, simplifies the cleaning process, and improves the ease of use of the equipment.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223708089U_ABST
    Figure CN223708089U_ABST
Patent Text Reader

Abstract

The utility model discloses a centrifugal fan convenient to clean for smelting and pouring, and relates to the technical field of centrifugal fans. The side end of the shell is fixedly connected with a motor; one end of the shell is fixedly connected with an exhaust pipe; a sealing cover is mounted at the side end of the shell; a filter plate is mounted at the side end of the sealing cover; a filter screen is fixedly connected to the interior of the filter plate; the side end of the sealing cover is fixedly connected with a supporting frame. A positioning bolt is mounted on the support frame; a filter screen is fixedly connected into a filter plate, a supporting frame is fixed to the side end of a sealing cover through a positioning bolt, when a shell works, airflow enters through the filter plate, flowing of the airflow enables a spiral blade to rotate, rotation of the spiral blade enables a first rotating rod to rotate, and rotation of the first rotating rod enables a first cleaning brush to rotate; and the first cleaning brush can clean dust on the surface of the filter screen, and the cleaning frequency of workers on the dust of the shell can be reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to centrifugal fan technical field, concretely relates to a centrifugal fan convenient to clear for smelting and pouring. BACKGROUND

[0002] Centrifugal fan is an important fluid machinery equipment, it mainly relies on the input mechanical energy to improve gas pressure and send gas, centrifugal fan for smelting and pouring mainly through motor drive impeller rotation, produces centrifugal force, and air is sucked and compressed and then discharged, in the smelting process, fan sends cold air or hot air into smelting furnace through pipeline to reach the purpose of adjusting temperature in the furnace and controlling smelting process.

[0003] The Chinese patent with the authorization announcement number CN218062823U discloses a centrifugal fan convenient to clean inside, which comprises a casing and an impeller arranged inside the casing, the casing is provided with a cleaning port for conveniently cleaning the impeller, the cleaning port is provided with a closing cover, the cleaning port is provided with a sliding groove near the edge of the two sides of the casing, the closing cover is embedded in the sliding groove, the casing is provided with a receiving groove for receiving the closing cover, the receiving groove is communicated with the sliding groove, the closing cover is provided with an opening part for conveniently opening, the cleaning port is provided with a locking part for locking the opening part, and the locking part is hinged to the edge of the cleaning port, the inside of the shell can be cleaned by opening the cover plate, the cleaning of the centrifugal fan is more convenient, the centrifugal fan blade can be disassembled and cleaned separately, and the cleaning of the centrifugal fan is more thorough.

[0004] The above-mentioned prior art has the following disadvantages: the above-mentioned scheme can clean the inside of the shell by opening the cover plate, which makes the cleaning of the centrifugal fan more convenient and thorough.

[0005] However, the above-mentioned scheme only disassembles the shell, so that the staff needs to disassemble the shell when maintaining the centrifugal fan dust, and the centrifugal fan for smelting and pouring is large in size, which is very inconvenient to disassemble the shell, and we provide a centrifugal fan convenient to clean for smelting and pouring. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a centrifugal fan convenient to clean for smelting and pouring to solve the technical problem that the shell is disassembled in the prior art, so that the staff needs to disassemble the shell when maintaining the centrifugal fan dust, and the centrifugal fan for smelting and pouring is large in size, which is very inconvenient to disassemble the shell.

[0007] The technical problem solved by the utility model can be realized by the following technical scheme:

[0008] The utility model provides a centrifugal fan of smelting and pouring convenient to clean, including the casing, the side end of casing is fixed with motor, one end of casing is fixed with exhaust pipe, the side end of casing is installed with sealing cover, the side end of sealing cover is installed with filter plate, the inside of filter plate is fixed with filter screen, the side end of sealing cover is fixed with support frame, the support frame is installed with locating bolt, one end of support frame is rotatably connected with no.

[0009] As a further scheme of the utility model: the inside of sealing cover is fixed with support plate, the side end of support plate is rotatably connected with second rotary rod, one end of second rotary rod is fixed with second cleaning brush, and second cleaning brush is arranged on one side of filter screen, the side end of no.

[0010] As a further scheme of the utility model: the bottom of casing is equipped with bottom plate, the top end of bottom plate is fixed with locating plate, locating plate is arranged on the side end of sealing cover, and a plurality of bolts are arranged on locating plate.

[0011] As a further scheme of the utility model: the inside of filter plate is provided with locating groove, the side end of sealing cover is rotatably connected with locating rotary plate, and locating rotary plate corresponds to locating groove.

[0012] As a further scheme of the utility model: the side end of casing is rotatably connected with locating clamping plate, a plurality of limiting grooves are arranged in the inside of sealing cover, and limiting groove corresponds to locating clamping plate.

[0013] As a further scheme of the utility model: the top end of bottom plate is fixed with support block, and support block is arranged below casing.

[0014] The utility model discloses a centrifugal fan of smelting and pouring convenient to clean, including the casing, the side end of casing is fixed with motor, one end of casing is fixed with exhaust pipe, the side end of casing is installed with sealing cover, the side end of sealing cover is installed with filter plate, the inside of filter plate is fixed with filter screen, the side end of sealing cover is fixed with support frame, the support frame is installed with locating bolt, one end of support frame is rotatably connected with no. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model makes further illustration to the utility model with reference to the drawings.

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the positioning plate structure schematic diagram in the utility model;

[0018] Figure 3 It is the utility model Figure 1 A place enlarged view in the utility model;

[0019] In the drawing: 1, shell, 2, motor, 3, exhaust pipe, 4, sealing cover, 5, bottom plate, 6, filter plate, 7, support frame, 8, positioning bolt, 9, one rotating rod, 10, spiral blade, 11, one cleaning brush, 12, connecting plug block, 13, two rotating rods, 14, two cleaning brushes, 15, support plate, 16, positioning rotary plate, 17, positioning groove, 18, positioning plate, 19, positioning clamping plate, 20, support block. Specific implementation

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] As Figures 1-3 shown, a kind of smelting pouring convenient to clean centrifugal fan, including shell 1;The side end of the shell 1 is fixedly connected with motor 2;One end of the shell 1 is fixedly connected with exhaust pipe 3;The side end of the shell 1 is installed with sealing cover 4;The side end of the sealing cover 4 is installed with filter plate 6;The inside of the filter plate 6 is fixedly connected with filter screen;The side end of the sealing cover 4 is fixedly connected with support frame 7;Positioning bolt 8 is installed on the support frame 7;One end of the support frame 7 is rotatably connected with one rotating rod 9;The outer side wall of the one rotating rod 9 is fixedly connected with spiral blade 10;The side end of the one rotating rod 9 is fixedly connected with one cleaning brush 11, and one cleaning brush 11 is arranged on one side of filter screen.

[0022] The airflow enters the inside of the shell 1 through the filter plate 6, the inside of the filter plate 6 is fixedly connected with a filter screen, the dust can be filtered through the filter screen, so that the dust entering the inside of the shell 1 is greatly reduced, the fan blade in the shell 1 is rotated by the operation of the motor 2, the airflow is discharged through the exhaust pipe 3, the dust can be blocked through the filter plate 6, the maintenance frequency of the inside of the shell 1 is reduced, the first cleaning brush 11 is installed to one side of the filter plate 6 before work, the support frame 7 is fixed to the side end of the sealing cover 4 through the positioning bolt 8, when the shell 1 works, the airflow enters through the filter plate 6, the flow of the airflow can make the spiral blade 10 rotate, the rotation of the spiral blade 10 makes the first rotating rod 9 rotate, the rotation of the first rotating rod 9 makes the first cleaning brush 11 rotate, the first cleaning brush 11 can clean the dust on the surface of the filter screen, so that the staff does not need to clean the dust.

[0023] The inside of the sealing cover 4 is fixedly connected with a support plate 15; the side end of the support plate 15 is rotatably connected with a second rotating rod 13; one end of the second rotating rod 13 is fixedly connected with a second cleaning brush 14, and the second cleaning brush 14 is arranged on one side of the filter screen; the side end of the first rotating rod 9 is fixedly connected with a connecting plug 12, and the connecting plug 12 corresponds to the second rotating rod 13.

[0024] The center of the filter screen has a hole, the hole corresponds to the connecting plug 12, the connecting plug 12 at the side end of the first rotating rod 9 can be inserted into the second rotating rod 13 in butt joint before work, after the connecting plug 12 is inserted into the inside of the second rotating rod 13, the rotation of the connecting plug 12 makes the second rotating rod 13 rotate together, the support plate 15 can limit the position of the second rotating rod 13, the rotation of the second rotating rod 13 makes the second cleaning brush 14 rotate, the rotation of the second cleaning brush 14 can clean the dust on the other side of the filter screen, and the dust on the two sides of the filter screen can be cleaned by cooperation of the first cleaning brush 11 and the second cleaning brush 14, and the airflow speed is improved.

[0025] The bottom plate 5 is arranged below the shell 1; the top end of the bottom plate 5 is fixedly connected with a positioning plate 18; the positioning plate 18 is arranged at the side end of the sealing cover 4, and a plurality of bolts are arranged on the positioning plate 18.

[0026] The dust can be accumulated in the inside of the shell 1 after long-term work, the sealing cover 4 can be disassembled, the positioning plate 18 and the sealing cover 4 are connected through a plurality of bolts, and the dust in the inside of the shell 1 can be cleaned by disassembling the bolts.

[0027] The inside of the filter plate 6 is provided with a positioning groove 17; the side end of the sealing cover 4 is rotatably connected with a positioning rotary plate 16, and the positioning rotary plate 16 corresponds to the positioning groove 17.

[0028] Before work, install the filter plate 6 to the side end of the sealing cover 4, make the positioning groove 17 inside the filter plate 6 and the positioning rotary plate 16 align and clasp, then rotate the positioning rotary plate 16 to fix one end of the filter plate 6 on the side end of the sealing cover 4, through the cooperation of the positioning rotary plate 16 and the positioning groove 17, the filter plate 6 can be conveniently installed and disassembled.

[0029] The side end of the shell 1 is rotationally connected with a positioning clamping plate 19; the inside of the sealing cover 4 is provided with a plurality of limiting grooves corresponding to the positioning clamping plate 19.

[0030] When the dust inside the shell 1 needs to be cleaned, the bolt is disassembled and the positioning clamping plate 19 is rotated, at this time the sealing cover 4 can be separated and disassembled from the shell 1, the staff can clean the dust inside the shell 1, and the maintenance frequency of the inside of the shell 1 can be reduced through the filter plate 6.

[0031] The top end of the bottom plate 5 is fixedly connected with a supporting block 20; the supporting block 20 is arranged below the shell 1.

[0032] The volume of the shell 1 is limited by the positioning plate 18 to the position of the sealing cover 4, and the bottom end position of the shell 1 can be supported by the supporting block 20 and the bottom plate 5. The shell 1 will vibrate when it is working, and the stability of the position of the shell 1 can be improved by the supporting block 20, so that the position of the shell 1 does not shake after long-term work.

[0033] The utility model discloses a working principle: install filter plate 6 to the side end of seal cover 4 before work, make the positioning groove 17 in filter plate 6 inside and positioning rotary plate 16 aligning clamping, then rotate positioning rotary plate 16 and fix one end of filter plate 6 on the side end of seal cover 4, and the cooperation of positioning rotary plate 16 and positioning groove 17 can conveniently install, dismounting operation to filter plate 6, airflow can enter the inside of casing 1 through filter plate 6, and the inside of filter plate 6 is fixedly connected with filter screen, and the dust can be filtered through filter screen, thereby greatly reducing the condition that dust enters the inside of casing 1, and the fan blade in casing 1 rotates through the operation of motor 2, and airflow is discharged through exhaust pipe 3, and the dust can be blocked through filter plate 6, and the maintenance frequency of the inside of casing 1 is reduced, install no. 1 cleaning brush 11 to one side of filter plate 6 before work, fix support frame 7 to the side end of seal cover 4 through positioning bolt 8, when casing 1 works, airflow can enter through filter plate 6, and the flow of airflow can make helical blade 10 rotate, and the rotation of helical blade 10 makes no. 1 rotary rod 9 rotate, and the rotation of no. 1 rotary rod 9 makes no. 1 cleaning brush 11 rotate, and no. 1 cleaning brush 11 can clean the dust on the surface of filter screen, thereby not needing staff to clean dust, the center of filter screen has a hole, and the hole corresponds with connecting plug 12, and the connecting plug 12 on the side end of no. 1 rotary rod 9 can be inserted into no. 2 rotary rod 13 before work, after connecting plug 12 is inserted into the inside of no. 2 rotary rod 13, the rotation of connecting plug 12 makes no. 2 rotary rod 13 rotate, support plate 15 can limit the position of no. 2 rotary rod 13, and the rotation of no. 2 rotary rod 13 makes no. 2 cleaning brush 14 rotate, and the rotation of no. 2 cleaning brush 14 can clean the dust on the other side of filter screen, and cooperating with no. 1 cleaning brush 11 can clean the dust on the two sides of filter screen, and improve airflow velocity, dust can be accumulated in the inside of casing 1 after long-term work, and seal cover 4 can be disassembled, positioning plate 18 and seal cover 4 are connected through multiple groups of bolts, and the bottom end position of casing 1 can be supported through support block 20 and bottom plate 5, after the bolt is disassembled and positioning clamping plate 19 is rotated, seal cover 4 can be separated and disassembled from casing 1 at this time, and staff can clean the dust in the inside of casing 1, and the maintenance frequency of the inside of casing 1 can be reduced through filter plate 6.

[0034] The above embodiment of the utility model has been described in detail, but the content described can only be the preferred embodiment of the utility model, and cannot be considered as limiting the scope of the utility model. Any equivalent change and improvement within the scope of the utility model application should still belong to the patent coverage range of the utility model.

Claims

1. A centrifugal fan for smelting casting which is easy to clean, characterized by, The utility model provides a kind of air filter, including shell (1);The side end of the shell (1) is fixed with motor (2);One end of the shell (1) is fixed with exhaust pipe (3);The side end of the sealing cover (4) is installed with filter plate (6);The inside of the filter plate (6) is fixed with filter screen;The side end of the sealing cover (4) is fixed with support frame (7);Positioning bolt (8) is installed on the support frame (7);One end of the support frame (7) is rotatably connected with No.

2. A centrifugal fan for smelting and casting, which is easy to clean according to claim 1, wherein The inside of the sealing cover (4) is fixed with support plate (15);The side end of the support plate (15) is rotatably connected with second rotary rod (13);One end of the second rotary rod (13) is fixed with second cleaning brush (14), and second cleaning brush (14) is arranged on one side of filter screen;The side end of the first rotary rod (9) is fixed with connecting plug block (12), and connecting plug block (12) corresponds with second rotary rod (13).

3. A centrifugal fan for smelting and casting, which is easy to clean according to claim 1, wherein The bottom of the shell (1) is equipped with bottom plate (5);The top of the bottom plate (5) is fixed with positioning plate (18);The side end of the sealing cover (4) is equipped with positioning plate (18), and positioning plate (18) is equipped with multiple bolts.

4. A centrifugal fan for smelting and casting, which is easy to clean according to claim 1, wherein The inside of the filter plate (6) is equipped with positioning groove (17);The side end of the sealing cover (4) is rotatably connected with positioning rotary plate (16), and positioning rotary plate (16) corresponds with positioning groove (17).

5. A centrifugal fan for smelting and casting, which is easy to clean according to claim 1, wherein The side end of the shell (1) is rotatably connected with positioning clamping plate (19);The inside of the sealing cover (4) is equipped with multiple limiting grooves, and limiting groove corresponds with positioning clamping plate (19).

6. A centrifugal fan for smelting and casting, which is easy to clean according to claim 3, wherein The top of the bottom plate (5) is fixed with support block (20);The bottom of the shell (1) is equipped with support block (20).

Citation Information

Patent Citations

  • Centrifugal fan convenient for internal cleaning

    CN218062823U