CN113713652A - Spherical shuttle-shaped impeller hub and design method thereof - Google Patents
Spherical shuttle-shaped impeller hub and design method thereof Download PDFInfo
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- CN113713652A CN113713652A CN202111198495.XA CN202111198495A CN113713652A CN 113713652 A CN113713652 A CN 113713652A CN 202111198495 A CN202111198495 A CN 202111198495A CN 113713652 A CN113713652 A CN 113713652A
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 23
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 239000011159 matrix material Substances 0.000 claims description 18
- 239000007787 solid Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 10
- 239000002002 slurry Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 9
- 230000001788 irregular Effects 0.000 description 7
- 238000007789 sealing Methods 0.000 description 5
- 230000007704 transition Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The patent of the invention relates to a propeller hub, in particular to a spherical shuttle-shaped propeller hub and a design method thereof. The stirring shaft comprises a ball shuttle body, wherein 3 paddle matching and fixing surfaces which are uniformly distributed are arranged in the ball shuttle body, the working angle of the paddle in the paddle matching and fixing surface is 2.5-23 degrees, and a shaft penetrating positioning hole for mounting a stirring shaft is arranged in the paddle matching and fixing surface. So as to effectively improve the mixing effect of the slurry around the hub; the hub has strong streamline sense and is very beautiful; the volume is smaller, and the installation is convenient.
Description
Technical Field
The patent of the invention relates to a propeller hub, in particular to a spherical shuttle-shaped propeller hub and a design method thereof.
Background
At present, the following technologies are mainly adopted for the matching parts of fluid mixing or stirring blades of materials in the industries of medicine, food, paper making and the like: one is that the hub is cylindrical, most of the hub periphery is laminar flow or regular flow, and the laminar flow or regular flow is not mixed with the regular flow, so that the mixing effect of the hub on materials is poor; the other is that regular polygon is adopted, most of the flow generated around the hub is laminar flow or regular flow and circumfluent flow or transitional flow, and only partial mixing is performed, so that the mixing of the materials is insufficient or uneven.
SUMMARY OF THE PATENT FOR INVENTION
The invention mainly aims to solve the defects in the prior art, and provides a method for improving the shape of the hub of the existing paddle wheel into a ball shuttle-shaped structure, so that irregular flow such as turbulent flow and the like is generated around the hub, and the mixing effect of slurry around the hub is effectively improved; the hub has strong streamline sense and is very beautiful; the spherical shuttle-shaped impeller hub is smaller in size and convenient to install, and the design method of the spherical shuttle-shaped impeller hub is provided.
The technical problem of the patent of the invention is mainly solved by the following technical scheme:
the spherical shuttle impeller hub comprises a spherical shuttle body, wherein 3 uniformly distributed blades are arranged in the spherical shuttle body, the working angle of the blades arranged in the blade matching and fixing surface is 2.5-23 degrees, and a shaft penetrating positioning hole for mounting a stirring shaft is arranged in the blade matching and fixing surface.
Preferably, the middle end between the 2 paddle fixing surfaces forms a middle-section convex ridge, the left end between the 2 paddle fixing surfaces forms a sheath end concave arc groove and the sheath end concave arc groove is located at the inlet end of the shaft penetrating positioning hole, the right end between the 2 paddle fixing surfaces forms a fastening end concave arc groove and the fastening end concave arc groove is located at the tail end of the shaft penetrating positioning hole, the middle end of the middle-section convex ridge is a middle-section concave arc groove, and the fastening end concave arc groove, the middle-section convex ridge and the sheath end concave arc groove form an arc-shaped flow surface.
Preferably, the center end of the paddle matching and fixing surface is a center centering pin hole, and the edge of the paddle matching and fixing surface is provided with a positioning pin hole and two rows of fastening screw holes.
Preferably, the double-row fastening screw holes are distributed symmetrically in two groups.
Preferably, the ball shuttle body is provided with a sheath end positioning surface which is an inlet end of the stirring shaft, the ball shuttle body is provided with a fastening end surface, and the center line of the fastening end surface and the center line of the sheath end positioning surface are concentrically distributed.
Preferably, the tail end of the shaft penetrating positioning hole is provided with a tool withdrawal groove, the outer end of the tool withdrawal groove is a shaft penetrating threaded hole, the outer end of the shaft penetrating threaded hole is communicated with the fastening end face, the tail end of the shaft penetrating positioning hole is provided with a reverse locking hole, and the reverse locking hole is positioned on the outer side of the fastening end concave arc groove.
Preferably, the outer end of the blade fixing surface is a sheath end convex spherical surface, the sheath end convex spherical surface is a transitional connecting surface of the blade fixing surface and the sheath end positioning surface, and the outer end of the blade fixing surface is a fastening end convex spherical surface, and the fastening end convex spherical surface is a transitional connecting surface of the blade fixing surface and the fastening end surface.
A design method of a spherical shuttle-shaped impeller hub is characterized in that:
the total length L of the ball shuttle body is 7/5-14/9 of the radius SR of the base ball; the base body sphere radius SR of the ball shuttle body is 1/3-3/7 of the total height of the matched mixed flow type paddle, and the eccentricity between the base body sphere center of the ball shuttle body and the center of the ball shuttle body is 7/24-3/10 of the base body sphere radius SR; the section radius R1 on the truncated stage is 1/2-2/3 of the sphere radius SR of the matrix, the section radius R2 on the positioning surface of the sheath end is 4/9-5/11 of the sphere radius SR of the matrix, the intersecting sphere radius SR3 on the concave arc groove of the sheath end is 1/3-2/5 of the sphere radius SR of the matrix, the intersecting sphere radius SR4 on the middle section ridge is 3/4-4/5 of the sphere radius SR of the matrix, the intersecting sphere radius SR5 on the concave arc groove of the fastening end is 10/9-5/4 of the sphere radius SR of the matrix, and the intersecting sphere radius SR6 on the concave arc groove of the middle section is 1/6-1/5 of the sphere radius SR of the matrix.
Wherein: l is the total length of the ball shuttle body; SR is the radius of the base body ball of the ball shuttle body, R1 is the radius of the section on the truncated stage or the radius of the blade fixing surface, R2 is the radius of the section on the sheath end positioning surface, SR3 is the radius of the intersecting ball on the concave arc groove of the sheath end, SR4 is the radius of the intersecting ball on the middle section convex ridge, SR5 is the radius of the intersecting ball on the concave arc groove of the fastening end, and SR6 is the radius of the intersecting ball on the concave arc groove of the middle section.
Due to the diversity of a material mixing system and the complexity of rheological properties of materials, the bionic technology is adopted, and the important practical significance is realized on the optimization of the mixing effect of the materials, so that the base body of the spherical fusiform impeller hub is in an eccentric spherical shape, the head and the tail of the spherical fusiform impeller hub are made into a fusiform shape in an imitation way, the main shape of the spherical fusiform impeller hub belongs to a trisection concave-convex complex body, the name is obtained by simulating the streamline shape of a 'fusiform fish', the periphery of the spherical fusiform impeller hub adopts an asymmetric structural design, so that the periodicity of a fluid system is damaged, irregular flows such as transition flow and turbulent flow are generated, and the mixing effect of slurry at the periphery of the hub can be effectively improved; the ball shuttle body is a trisection concave-convex complex body and is formed by penetrating an eccentric ball body, a pillar stand, a shuttle body and the like, and irregular flow is mainly generated at the periphery of the hub so as to effectively improve the mixing effect of slurry at the periphery of the hub; the hub has strong streamline sense and is very beautiful; the volume is smaller, the installation is convenient, and the like. Each positioning pin hole in the paddle fixing surface is used for positioning and locking the working angle of the matched paddle and transmitting power, and different working angles of the matched paddle can be set according to different process requirements of material types, mixing, circulation or stirring tasks, time and the like, the range of the working angles is 2.5-23 degrees, namely the working angle adjusting range is very wide; the double rows of fastening screw holes are used for fastening the matched blade; the fastening end face is used for mounting a hub nut and sealing; the reverse locking port is used for reversely buckling and locking the hub nut to prevent the hub nut from falling off and being damaged in the operation process; the truncated stage is in a column stage shape and is used for mounting the matched blade together with the blade matching and fixing surface; the centering pin hole is used for positioning the center of the cutting platform or the blade matching and fixing surface and locking the matched blade, so that the matched blade can be conveniently machined, assembled and rotated when the working angle of the matched blade is adjusted; the reference scale mark is used as a working angle alignment reference line when the matched blade is machined or assembled so as to improve the machining or mounting precision; the sheath end positioning surface is used for positioning and sealing the sheath end; the paddle matching and fixing surface is used for assembling and fixing the matched paddle; the tool withdrawal groove is used for tool withdrawal when the anti-rotation key groove is processed; the shaft penetrating threaded hole and the shaft penetrating positioning hole are used for installing shafts and the like; the sealing groove is used for sealing with an O-shaped sealing ring; fastening end concave arc groove, middle section convex ridge, sheath end concave arc groove, middle section concave arc groove, fastening end convex sphere and sheath end convex sphere all adopt asymmetric structural design to destroy fluidic system's periodicity, produce the irregular flow, like transition flow, torrent etc. can effectively improve the mixed effect of the peripheral thick liquids of wheel hub.
The working principle is as follows: when the hub rotates anticlockwise when standing on the fastening end face, the ball shuttle-shaped impeller hub flows materials from the positioning face of the sheath end under the action of a certain rotating speed and the like, the materials pass through two main flows of transition flow and turbulent flow generated on the concave arc groove of the sheath end and the convex spherical surface of the sheath end and a small part of circular flow, and the irregular flows repeatedly mix and circulate after the transition flow and the turbulent flow of the ramp section between the middle section convex ridge and the middle section concave arc groove climb, and then the irregular flows go down to the concave arc groove of the fastening end and the convex spherical surface of the fastening end and the like, so that the mixing effect of the slurry around the hub is improved.
Compared with the prior art, the invention has the advantages and effects that:
the adoption of the ball shuttle-shaped structure can cause irregular flow to be generated around the hub, so as to effectively improve the mixing effect of the slurry around the hub.
The hub has strong streamline sense and is very beautiful.
The volume is smaller, the installation is convenient, and the like.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic cross-sectional view of FIG. 2;
FIG. 4 is a schematic side view of the present invention;
fig. 5 is another perspective view of the present invention.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example 1: as shown in the figure, the spherical shuttle impeller hub comprises a spherical shuttle body 1, wherein 3 uniformly distributed blade matching and fixing surfaces 2 are arranged in the spherical shuttle body 1, the working angle of the blade in the blade matching and fixing surface 2 for mounting the blade is 2.5-23 degrees, and a shaft penetrating positioning hole 3 for mounting a stirring shaft is arranged in the blade matching and fixing surface 2.
Preferably, 2 paddles are matched with the middle end between the solid surface 2 to form a middle-section convex ridge 4, 2 paddles are matched with the left end between the solid surface 2 to form a sheath end concave arc groove 5 and the sheath end concave arc groove 5 is positioned at the inlet end of the shaft penetrating positioning hole 3, 2 paddles are matched with the right end between the solid surface 2 to form a fastening end concave arc groove 6 and the fastening end concave arc groove 6 is positioned at the tail end of the shaft penetrating positioning hole 3, the middle end of the middle-section convex ridge 4 is a middle-section concave arc groove 7, and the fastening end concave arc groove 6, the middle-section convex ridge 4 and the sheath end concave arc groove 5 form an arc flow surface.
Preferably, the center end of the blade fixing surface 2 is a center centering pin hole 8, and the edge of the blade fixing surface 2 is provided with a positioning pin hole 9 and a double row of fastening screw holes 10.
Preferably, the double-row fastening screw holes 10 are distributed symmetrically in two groups.
Preferably, the ball shuttle body 1 is provided with a sheath end positioning surface 11, the sheath end positioning surface 11 is an inlet end of the stirring shaft, the ball shuttle body 1 is provided with a fastening end surface 12, and a center line of the fastening end surface 12 and a center line of the sheath end positioning surface 11 are concentrically distributed.
Preferably, the tail end of the shaft penetrating positioning hole 3 is provided with a tool withdrawal groove 13, the outer end of the tool withdrawal groove 13 is a shaft penetrating threaded hole 14, the outer end of the shaft penetrating threaded hole 14 is communicated with the fastening end surface 12, the tail end of the shaft penetrating positioning hole 3 is provided with a back locking hole 15, and the back locking hole 15 is positioned outside the fastening end concave arc groove 6.
Preferably, the outer end of the blade fixing surface 2 is a sheath end convex spherical surface 16, the sheath end convex spherical surface 16 is a transitional connecting surface between the blade fixing surface 2 and the sheath end positioning surface 11, the outer end of the blade fixing surface 2 is a fastening end convex spherical surface 17, and the fastening end convex spherical surface 17 is a transitional connecting surface between the blade fixing surface 2 and the fastening end surface 12.
A design method of a spherical shuttle impeller hub comprises the steps that the total length L of a spherical shuttle body is 7/5-14/9 of the spherical radius SR of a base body; the base body sphere radius SR of the ball shuttle body is 1/3-3/7 of the total height of the matched mixed flow type paddle, and the eccentricity between the base body sphere center of the ball shuttle body and the center of the ball shuttle body is 7/24-3/10 of the base body sphere radius SR; the section radius R1 on the truncated stage is 1/2-2/3 of the sphere radius SR of the matrix, the section radius R2 on the positioning surface of the sheath end is 4/9-5/11 of the sphere radius SR of the matrix, the intersecting sphere radius SR3 on the concave arc groove of the sheath end is 1/3-2/5 of the sphere radius SR of the matrix, the intersecting sphere radius SR4 on the middle section ridge is 3/4-4/5 of the sphere radius SR of the matrix, the intersecting sphere radius SR5 on the concave arc groove of the fastening end is 10/9-5/4 of the sphere radius SR of the matrix, and the intersecting sphere radius SR6 on the concave arc groove of the middle section is 1/6-1/5 of the sphere radius SR of the matrix.
Claims (8)
1. A spherical shuttle vane wheel hub characterized by: the novel stirring shaft is characterized by comprising a ball shuttle body (1), wherein 3 uniformly distributed blade matching and fixing surfaces (2) are arranged in the ball shuttle body (1), the working angle of the blade matching and fixing surfaces (2) for mounting blades is 2.5-23 degrees, and shaft penetrating positioning holes (3) for mounting a stirring shaft are formed in the blade matching and fixing surfaces (2).
2. A spherical shuttle impeller hub according to claim 1, wherein: middle part formation middle section convex ridge (4) between 2 solid face (2) are joined in marriage to individual paddle, and 2 left end formation sheath end concave arc groove (5) and sheath end concave arc groove (5) between solid face (2) are joined in marriage to individual paddle are located the entry end of wearing a locating hole (3), and 2 right-hand member that the paddle was joined in marriage between solid face (2) forms fastening end concave arc groove (6) and is located the tail end of wearing a locating hole (3), the middle part of middle section convex ridge (4) be middle section concave arc groove (7), fastening end concave arc groove (6), middle section convex ridge (4) and sheath end concave arc groove (5) form the arc and flow the face.
3. A spherical shuttle impeller hub according to claim 1 or 2, wherein: the center end of the paddle matching and fixing surface (2) is a center centering pin hole (8), and the edge of the paddle matching and fixing surface (2) is provided with a positioning pin hole (9) and double rows of fastening screw holes (10).
4. A spherical shuttle impeller hub according to claim 3, wherein: the double-row fastening screw holes (10) are two groups and are symmetrically distributed.
5. A spherical shuttle impeller hub according to claim 1 or 2, wherein: the ball shuttle body (1) is internally provided with a sheath end positioning surface (11), the sheath end positioning surface (11) is an inlet end of the stirring shaft, the ball shuttle body (1) is internally provided with a fastening end surface (12), and the central line of the fastening end surface (12) and the central line of the sheath end positioning surface (11) are concentrically distributed.
6. The spherical shuttle impeller hub of claim 5, wherein: the rear end of the shaft penetrating positioning hole (3) is provided with a tool withdrawal groove (13), the outer end of the tool withdrawal groove (13) is a shaft penetrating threaded hole (14), the outer end of the shaft penetrating threaded hole (14) is communicated with the fastening end face (12), the rear end of the shaft penetrating positioning hole (3) is provided with a reverse locking notch (15), and the reverse locking notch (15) is positioned on the outer side of the fastening end concave arc groove (6).
7. The spherical shuttle impeller hub of claim 5, wherein: the outer side end of the blade matching fixing surface (2) is a sheath end convex spherical surface (16), the sheath end convex spherical surface (16) is a transitional connecting surface of the blade matching fixing surface (2) and the sheath end positioning surface (11), the outer side end of the blade matching fixing surface (2) is a fastening end convex spherical surface (17), and the fastening end convex spherical surface (17) is a transitional connecting surface of the blade matching fixing surface (2) and the fastening end surface (12).
8. A design method of a spherical shuttle-shaped impeller hub is characterized in that:
the total length L of the ball shuttle body is 7/5-14/9 of the radius SR of the base ball; the base body sphere radius SR of the ball shuttle body is 1/3-3/7 of the total height of the matched mixed flow type paddle, and the eccentricity between the base body sphere center of the ball shuttle body and the center of the ball shuttle body is 7/24-3/10 of the base body sphere radius SR; the section radius R1 on the truncated stage is 1/2-2/3 of the sphere radius SR of the matrix, the section radius R2 on the positioning surface of the sheath end is 4/9-5/11 of the sphere radius SR of the matrix, the intersecting sphere radius SR3 on the concave arc groove of the sheath end is 1/3-2/5 of the sphere radius SR of the matrix, the intersecting sphere radius SR4 on the middle section ridge is 3/4-4/5 of the sphere radius SR of the matrix, the intersecting sphere radius SR5 on the concave arc groove of the fastening end is 10/9-5/4 of the sphere radius SR of the matrix, and the intersecting sphere radius SR6 on the concave arc groove of the middle section is 1/6-1/5 of the sphere radius SR of the matrix.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111198495.XA CN113713652B (en) | 2021-10-14 | 2021-10-14 | Ball shuttle-shaped blade hub and design method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111198495.XA CN113713652B (en) | 2021-10-14 | 2021-10-14 | Ball shuttle-shaped blade hub and design method thereof |
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| CN113713652A true CN113713652A (en) | 2021-11-30 |
| CN113713652B CN113713652B (en) | 2024-02-09 |
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|---|---|---|---|---|
| JPH09131525A (en) * | 1995-11-09 | 1997-05-20 | Satake Kagaku Kikai Kogyo Kk | Agitation impeller |
| CN2400175Y (en) * | 1999-09-22 | 2000-10-11 | 虞培清 | Propeller type stirrer |
| JP2001353434A (en) * | 2000-04-13 | 2001-12-25 | Toli Corp | Stirring implement |
| US20020182080A1 (en) * | 2001-05-29 | 2002-12-05 | Yeun-Junn Lin | Boat propeller capable of being easily changed in pitch thereof |
| WO2011001393A1 (en) * | 2009-06-30 | 2011-01-06 | Braun Gmbh | Mixing tool for stiff dough |
| CN103949179A (en) * | 2014-04-28 | 2014-07-30 | 于法周 | Rotating blade for mixing powder |
| CN107754716A (en) * | 2017-11-12 | 2018-03-06 | 卢满松 | A kind of plant equipment turbine type stirring vane |
| CN108236860A (en) * | 2018-03-19 | 2018-07-03 | 江苏开放大学（江苏城市职业学院） | A kind of automatically cleaning vertical mixer |
| CN210645945U (en) * | 2019-08-07 | 2020-06-02 | 山东川大机械设备有限公司 | Special balanced type agitator of side stirring |
| CN211025878U (en) * | 2019-11-20 | 2020-07-17 | 昆明茨坝矿山机械有限公司 | Agitating tank impeller part for agitating high-concentration ore pulp |
| CN112823052A (en) * | 2018-10-12 | 2021-05-18 | 赛莱默欧洲有限公司 | Propeller for digester mixer |
| CN214076052U (en) * | 2020-12-08 | 2021-08-31 | 浙江工业大学 | Impeller for two-phase contact |
-
2021
- 2021-10-14 CN CN202111198495.XA patent/CN113713652B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09131525A (en) * | 1995-11-09 | 1997-05-20 | Satake Kagaku Kikai Kogyo Kk | Agitation impeller |
| CN2400175Y (en) * | 1999-09-22 | 2000-10-11 | 虞培清 | Propeller type stirrer |
| JP2001353434A (en) * | 2000-04-13 | 2001-12-25 | Toli Corp | Stirring implement |
| US20020182080A1 (en) * | 2001-05-29 | 2002-12-05 | Yeun-Junn Lin | Boat propeller capable of being easily changed in pitch thereof |
| WO2011001393A1 (en) * | 2009-06-30 | 2011-01-06 | Braun Gmbh | Mixing tool for stiff dough |
| CN103949179A (en) * | 2014-04-28 | 2014-07-30 | 于法周 | Rotating blade for mixing powder |
| CN107754716A (en) * | 2017-11-12 | 2018-03-06 | 卢满松 | A kind of plant equipment turbine type stirring vane |
| CN108236860A (en) * | 2018-03-19 | 2018-07-03 | 江苏开放大学（江苏城市职业学院） | A kind of automatically cleaning vertical mixer |
| CN112823052A (en) * | 2018-10-12 | 2021-05-18 | 赛莱默欧洲有限公司 | Propeller for digester mixer |
| CN210645945U (en) * | 2019-08-07 | 2020-06-02 | 山东川大机械设备有限公司 | Special balanced type agitator of side stirring |
| CN211025878U (en) * | 2019-11-20 | 2020-07-17 | 昆明茨坝矿山机械有限公司 | Agitating tank impeller part for agitating high-concentration ore pulp |
| CN214076052U (en) * | 2020-12-08 | 2021-08-31 | 浙江工业大学 | Impeller for two-phase contact |
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| CN113713652B (en) | 2024-02-09 |
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