CN201582198U - Centrifugal fan used for airflow spinning machine process - Google Patents
Centrifugal fan used for airflow spinning machine process Download PDFInfo
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- CN201582198U CN201582198U CN2009202995019U CN200920299501U CN201582198U CN 201582198 U CN201582198 U CN 201582198U CN 2009202995019 U CN2009202995019 U CN 2009202995019U CN 200920299501 U CN200920299501 U CN 200920299501U CN 201582198 U CN201582198 U CN 201582198U
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Abstract
The utility model relates to a centrifugal fan used for an airflow spinning machine process, which is suitable for suction negative-pressure process at a rotating cup location in spinning work procedures for the airflow spinning machine. The centrifugal fan comprises a wind inlet (1), a machine shell (2), an impeller (3), a bracket (4) and a motor (5). The bracket (4) is fixed on the motor (5); the machine shell (2) is fixed on the bracket (4); the impeller (3) is arranged in the machine shell (2) and is installed on a shaft of the motor (5); the wind inlet (1) is arranged at an inlet side of the impeller (3) and is arranged on the machine shell (2). The characteristics are as follows: the impeller (3) comprises an oblique wheel cover (6), a straight wheel disc (7), a shaft disc (8) and blades (9); the shaft disc (8) is fixedly arranged at the center of the straight wheel disc (7), and the blades (9) are evenly distributed between the oblique wheel cover (6) and the straight wheel disc (7). The centrifugal fan used for the airflow spinning machine process has advantages of high efficiency, good energy saving, compact structure, simple maintenance, convenient installation and stable running, and meets performance requirements of suction negative-pressure process at the rotating cup location in spinning work procedures for the airflow spinning machine.
Description
(1) technical field
The utility model relates to a kind of centrifugal blower.Be applicable to revolving cup place suction negative pressure manufacturing process in the rotation frame spinning process.Belong to technical field of textile machine.
(2) background technique
Present stage is used for the rotation frame technology blower fan of textile industry, is that the employing impeller blade is the high pressure centrifugal ventilator of antecurvature formula.Adopt the centrifugal blower of forward-curved blade impeller obtaining under the uniform pressure condition, its impeller diameter is less, but exist that fan efficiency is low, energy consumption is high, the working zone is narrow, easy surge, runner camber greatly, easy many shortcomings such as stifled cotton and Yi Chaogong.
(3) summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, and in satisfying the rotation frame spinning process under the requirement of revolving cup place suction negative pressure technology, provide a kind of have energy-efficient, the working zone is broad, the rotation frame technology centrifugal blower of no surge.
The purpose of this utility model is achieved in that a kind of rotation frame technology centrifugal blower, comprise intake grill, casing, impeller, support and motor, described support is fixed on the motor, casing is fixed on the support, described impeller is arranged in the casing, impeller is installed on the axle of motor, described intake grill is arranged on the suction side of described impeller, and be arranged on the described casing, described impeller comprises oblique wheel cap, straight wheel disc, reel and blade, reel is fixedly installed on the center of straight wheel disc, and blade is evenly distributed between oblique wheel cap and the straight wheel disc.
The utility model rotation frame technology centrifugal blower, the blade profile of described blade is that the back curved circular arc is plate shaped.
The utility model rotation frame technology centrifugal blower, the molded lines of described blade is formed the radius of arc r of vane type line inlet circular arc section by two tangent inlet circular arc section and outlet arc sections
1With the ratio of impeller diameter D be 0.1~0.2, the radius of arc r of vane type line outlet arc section
2With the ratio of impeller diameter D be 1.0~1.4, the center of circle of inlet circular arc section is being r with impeller center radius
3Circle on, the center of circle radius r of inlet circular arc section
3With the ratio of impeller diameter D be 0.05~0.15, it is r that blade import starting point is positioned at impeller center radius
4Circle on, entrance radius of blade r
4With the ratio of impeller diameter D be 0.10~0.15, impeller outlet angle θ is 60 °~70 °, impeller inlet width b
1With the ratio of impeller diameter D be 0.10~0.15, impeller outlet width b
2With the ratio of impeller diameter D be 0.04~0.06, the impeller inlet diameter compares D with the diameter of impeller
1/ D is 0.25~0.35, and the impeller blade number is 8~16.
Impeller rotates under the drive of motor, and gas is axially sucked through intake grill, and the effect of intake grill is to guarantee that air-flow can be full of fan inlet area equably, to reduce flow losses.Gas is turned back into the runner that blade constituted of radial flow through impeller then, because the effect of blade makes gas obtain energy, gas pressure improves and kinetic energy increases.The gas that casing then throws away impeller is concentrated, discharge behind the water conservancy diversion, diffusion, makes blower fan obtain pressure difference, realizes the gas forced flow.The utility model rotation frame technology adopts the back curved blade profile design of two sections circular arc molded lines to guarantee high pressure, high efficiency, no surge and the more broad working zone of blower fan with the impeller blade of centrifugal blower, casing and intake grill is combined into one makes blower fan structure compactness, easy to maintenance and easy for installation.
The beneficial effects of the utility model are:
Under the requirement of the utility model rotation frame technology with centrifugal blower revolving cup place suction negative pressure technology in satisfying textile industry rotation frame spinning process, adopt the impeller of backward bent vane pattern, thereby a kind of have energy-efficient, compact structure, easy to maintenance, easy for installation, the rotation frame technology centrifugal blower that operates steadily are provided.
(4) description of drawings
Fig. 1 is the Facad structure schematic representation of the utility model rotation frame technology with centrifugal blower.
Fig. 2 is the Facad structure schematic representation of impeller of the present utility model.
Fig. 3 is the left view of Fig. 2.
Reference character among the figure:
(5) embodiment
Referring to Fig. 1, Fig. 1 is the Facad structure schematic representation of the utility model rotation frame technology with centrifugal blower.As seen from Figure 1, model utility rotation frame technology centrifugal blower mainly is made up of intake grill 1, casing 2, impeller 3, support 4 and motor 5.Described support 4 is fixed on the motor 5, and casing 2 is by being bolted on the support 4, and described impeller 3 is arranged in the casing 2, and impeller 3 is installed on the axle of motor 5, and described intake grill 1 is arranged on the suction side of described impeller 3, and is arranged on the described casing 2.
Referring to Fig. 2~3, Fig. 2 is the Facad structure schematic representation of impeller of the present utility model.Fig. 3 is the left view of Fig. 2.By Fig. 2 and Fig. 3 as can be seen, impeller of the present utility model comprises oblique wheel cap 6, straight wheel disc 7, reel 8 and blade 9, and reel 8 is fixedly installed on the center of straight wheel disc 7, and blade 9 is evenly distributed between oblique wheel cap 6 and the straight wheel disc 7.
The blade profile of described blade 9 is that the back curved circular arc is plate shaped.
The molded lines of described blade 9 is made up of two tangent inlet circular arc section and outlet arc sections.The radius of arc r of vane type line inlet circular arc section
1With the ratio of impeller diameter D be 0.1~0.2, the radius of arc r of vane type line outlet arc section
2With the ratio of impeller diameter D be 1.0~1.4.The center of circle of inlet circular arc section is being r with impeller center radius
3Circle on, the center of circle radius r of inlet circular arc section
3With the ratio of impeller diameter D be 0.05~0.15.It is r that blade import starting point is positioned at impeller center radius
4Circle on, entrance radius of blade r
4With the ratio of impeller diameter D be 0.10~0.15.Impeller outlet angle θ is 60 °~70 °, impeller inlet width b
1With the ratio of impeller diameter D be 0.10~0.15, impeller outlet width b
2With the ratio of impeller diameter D be 0.04~0.06, the impeller inlet diameter compares D with the diameter of impeller
1/ D is 0.25~0.35, and the impeller blade number is 8~16.Impeller 3 employing steel plate welding or cast aluminium alloy casting or other material and method are made.
Claims (4)
1. rotation frame technology centrifugal blower, comprise intake grill (1), casing (2), impeller (3), support (4) and motor (5), described support (4) is fixed on the motor (5), casing (2) is fixed on the support (4), described impeller (3) is arranged in the casing (2), impeller (3) is installed on the axle of motor (5), described intake grill (1) is arranged on the suction side of described impeller (3), and be arranged on the described casing (2), it is characterized in that: described impeller (3) comprises oblique wheel cap (6), straight wheel disc (7), reel (8) and blade (9), reel (8) is fixedly installed on the center of straight wheel disc (7), and blade (9) is evenly distributed between oblique wheel cap (6) and the straight wheel disc (7).
2. a kind of rotation frame technology centrifugal blower according to claim 1, it is characterized in that: the blade profile of described blade (9) is that the back curved circular arc is plate shaped.
3. a kind of rotation frame technology centrifugal blower according to claim 1 and 2 is characterized in that: the molded lines of described blade (9) is formed the radius of arc r of vane type line inlet circular arc section by two tangent inlet circular arc section and outlet arc sections
1With the ratio of impeller diameter D be 0.1~0.2, the radius of arc r of vane type line outlet arc section
2With the ratio of impeller diameter D be 1.0~1.4, the center of circle of described inlet circular arc section is being r with impeller center radius
3Circle on, the center of circle radius r of inlet circular arc section
3With the ratio of impeller diameter D be 0.05~0.15, it is r that blade import starting point is positioned at impeller center radius
4Circle on, entrance radius of blade r
4With the ratio of impeller diameter D be 0.10~0.15, impeller outlet angle θ is 60 °~70 °, impeller inlet width b
1With the ratio of impeller diameter D be 0.10~0.15, impeller outlet width b
2With the ratio of impeller diameter D be 0.04~0.06, the impeller inlet diameter compares D with the diameter of impeller
1/ D is 0.25~0.35, and the impeller blade number is 8~16.
4. a kind of rotation frame technology centrifugal blower according to claim 1 and 2 is characterized in that: described impeller (3) adopts steel plate welding or cast aluminium alloy casting.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009202995019U CN201582198U (en) | 2009-12-22 | 2009-12-22 | Centrifugal fan used for airflow spinning machine process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009202995019U CN201582198U (en) | 2009-12-22 | 2009-12-22 | Centrifugal fan used for airflow spinning machine process |
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CN201582198U true CN201582198U (en) | 2010-09-15 |
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CN2009202995019U Expired - Fee Related CN201582198U (en) | 2009-12-22 | 2009-12-22 | Centrifugal fan used for airflow spinning machine process |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104373380A (en) * | 2014-11-08 | 2015-02-25 | 江阴市精亚风机有限公司 | Energy-saving draught fan impeller of automatic winder |
CN104373379A (en) * | 2014-11-08 | 2015-02-25 | 江阴市精亚风机有限公司 | High-pressure high-efficiency process fan of long air spinning wheel |
CN104863888A (en) * | 2015-06-01 | 2015-08-26 | 柳州钢铁股份有限公司 | Pressure limiting water seal device of low pressure centrifugal fan |
EP3199675B1 (en) * | 2016-01-29 | 2023-03-29 | Rieter Ingolstadt GmbH | Spinning machine with a suction device |
CN116201763A (en) * | 2023-01-16 | 2023-06-02 | 威海克莱特菲尔风机股份有限公司 | Forward special-shaped impeller of centrifugal fan with low specific rotation speed and small casing |
-
2009
- 2009-12-22 CN CN2009202995019U patent/CN201582198U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104373380A (en) * | 2014-11-08 | 2015-02-25 | 江阴市精亚风机有限公司 | Energy-saving draught fan impeller of automatic winder |
CN104373379A (en) * | 2014-11-08 | 2015-02-25 | 江阴市精亚风机有限公司 | High-pressure high-efficiency process fan of long air spinning wheel |
CN104863888A (en) * | 2015-06-01 | 2015-08-26 | 柳州钢铁股份有限公司 | Pressure limiting water seal device of low pressure centrifugal fan |
EP3199675B1 (en) * | 2016-01-29 | 2023-03-29 | Rieter Ingolstadt GmbH | Spinning machine with a suction device |
CN116201763A (en) * | 2023-01-16 | 2023-06-02 | 威海克莱特菲尔风机股份有限公司 | Forward special-shaped impeller of centrifugal fan with low specific rotation speed and small casing |
CN116201763B (en) * | 2023-01-16 | 2023-09-26 | 威海克莱特菲尔风机股份有限公司 | Forward special-shaped impeller of centrifugal fan with low specific rotation speed and small casing |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20121222 |