CN113713652B - Ball shuttle-shaped blade hub and design method thereof - Google Patents
Ball shuttle-shaped blade hub and design method thereof Download PDFInfo
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- CN113713652B CN113713652B CN202111198495.XA CN202111198495A CN113713652B CN 113713652 B CN113713652 B CN 113713652B CN 202111198495 A CN202111198495 A CN 202111198495A CN 113713652 B CN113713652 B CN 113713652B
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 241001530121 Trollius Species 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 10
- 239000002002 slurry Substances 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 7
- 230000001788 irregular Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000011664 nicotinic acid Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The patent of the invention relates to a paddle hub, in particular to a ball shuttle-shaped paddle hub and a design method thereof. The ball shuttle comprises a ball shuttle body, wherein 3 uniformly distributed blade matching and fixing surfaces are arranged in the ball shuttle body, the working angle of blades installed in the blade matching and fixing surfaces is 2.5-23 degrees, and shaft penetrating positioning holes for installing stirring shafts are formed in the blade matching and fixing surfaces. So as to effectively improve the mixing effect of the slurry around the hub; the hub has strong streamline appearance and is very beautiful; the volume is smaller, and the installation is convenient.
Description
Technical Field
The patent of the invention relates to a paddle hub, in particular to a ball shuttle-shaped paddle hub and a design method thereof.
Background
At present, the matching parts of the fluid mixing or stirring blade for materials in the industries of medicine, food, paper making and the like mainly adopt the following technologies: firstly, the cylindrical shape is adopted, most of laminar flow or regular flow generated at the periphery of the hub is not mixed with each other, so that the mixing effect of the hub on materials is poor; secondly, the regular polygon is adopted, most of the generated laminar flow or regular flow and the bypass flow or transition flow around the hub are only partially mixed, so that the mixing of materials is insufficient or uneven.
SUMMARY OF THE PATENT FOR INVENTION
The invention mainly solves the defects existing in the prior art, and provides a method for improving the shape of the hub of the existing blade into a ball shuttle structure, so that irregular flow such as turbulence and the like is generated at the periphery of the hub, and the mixing effect of slurry at the periphery of the hub is effectively improved; the hub has strong streamline appearance and is very beautiful; the ball shuttle-shaped paddle hub is smaller in size and convenient to install and the design method thereof.
The technical problems of the invention are mainly solved by the following technical proposal:
the utility model provides a ball shuttle form paddle wheel hub, includes the ball shuttle body, the ball shuttle body in be equipped with 3 and be evenly distributed's paddle and join in marriage the face and join in marriage the work angle of installing the paddle in the face and be 2.5 ~ 23, the paddle join in marriage and be equipped with the through axle locating hole that is used for installing the (mixing) shaft in the face.
Preferably, a middle-section convex ridge is formed at the middle end between the 2 blade matching and fixing surfaces, a sheath end concave arc groove is formed at the left end between the 2 blade matching and fixing surfaces and is positioned at the inlet end of the shaft penetrating positioning hole, a fastening end concave arc groove is formed at the right end between the 2 blade matching and fixing surfaces and is positioned at the tail end of the shaft penetrating positioning hole, a middle-section concave arc groove is formed at the middle end of the middle-section convex ridge, and an arc-shaped flow surface is formed by the fastening end concave arc groove, the middle-section convex ridge and the sheath end concave arc groove.
Preferably, the center end of the blade matching and fixing surface is a center centering pin hole, and the edge of the blade matching and fixing surface is provided with a positioning pin hole and a double-row fastening screw hole.
Preferably, the two rows of the fastening screw holes are symmetrically distributed.
Preferably, the ball shuttle body is provided with a sheath end locating surface which is the inlet end of the stirring shaft, and the ball shuttle body is provided with a fastening end surface, and the central line of the fastening end surface and the central line of the sheath end locating surface are concentrically distributed.
Preferably, the tail end in the shaft penetrating positioning hole is provided with a tool retracting groove, the outer end of the tool retracting 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 locking opening, and the locking opening is positioned at the outer side of the concave arc groove of the fastening end.
Preferably, the outer side end of the blade matching and fixing surface is a convex spherical surface of the sheath end, the convex spherical surface of the sheath end is a transitional connection surface of the blade matching and fixing surface and a positioning surface of the sheath end, and the outer side end of the blade matching and fixing surface is a convex spherical surface of the fastening end, and the convex spherical surface of the fastening end is a transitional connection surface of the blade matching and fixing surface and the fastening end surface.
A design method of a ball shuttle type blade 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 body ball; the base body sphere radius SR of the ball shuttle is 1/3-3/7 of the total height of the matched mixed flow type blade, and the eccentricity between the center of the base body sphere of the ball shuttle and the center of the ball shuttle is 7/24-3/10 of the base body sphere radius SR; the radius R1 of the cross section on the truncated platform is 1/2-2/3 of the radius SR of the base body, the radius R2 of the cross section on the locating surface of the sheath end is 4/9-5/11 of the radius SR of the base body, the radius SR3 of the intersecting sphere on the concave arc groove of the sheath end is 1/3-2/5 of the radius SR of the base body, the radius SR4 of the intersecting sphere on the convex ridge of the middle section is 3/4-4/5 of the radius SR of the base body, the radius SR5 of the intersecting sphere on the concave arc groove of the fastening end is 10/9-5/4 of the radius SR of the base body, and the radius SR6 of the intersecting sphere on the concave arc groove of the middle section is 1/6-1/5 of the radius SR of the base body.
Wherein: l is the total length of the ball shuttle; SR is the base body sphere radius of the ball shuttle, R1 is the section radius of the truncated platform or the radius of the blade matching surface, R2 is the section radius of the sheath end positioning surface, SR3 is the intersecting sphere radius of the sheath end concave arc groove, SR4 is the intersecting sphere radius of the middle section convex ridge, SR5 is the intersecting sphere radius of the fastening end concave arc groove, and SR6 is the intersecting sphere radius of the middle section concave arc groove.
Because of the diversity of a material mixing system and the complexity of material rheological property, a bionic technology is adopted, and the method has important practical significance for optimizing the mixing effect of materials, therefore, the matrix of the ball shuttle-shaped paddle hub is in an eccentric sphere shape, the head and the tail are imitated to be made into a shuttle shape, the main shape of the ball shuttle-shaped paddle hub belongs to a trisection concave-convex complex, the main shape is obtained through the streamline shape of a bionic shuttle fish, the periphery adopts an asymmetric structural design to destroy the periodicity of a fluid system, irregular flows such as transitional flows, turbulent flows and the like are generated, and the mixing effect of slurry around the hub can be effectively improved; the ball shuttle is a trisection concave-convex complex and is formed by the through combination of an eccentric sphere, a column table, a shuttle body and the like, and the ball shuttle mainly enables the periphery of the hub to generate irregular flow so as to effectively improve the mixing effect of slurry around the hub; the hub has strong streamline appearance and is very beautiful; the volume is smaller, the installation is convenient, etc. Each positioning pin hole in the blade matching and fixing surface is used for positioning and locking the working angle of the matched blade and transmitting power, and can be set into different working angles of the matched blade according to different technological requirements such as the types of materials, mixing, circulation or stirring tasks, time and the like, wherein the range of the working angles is 2.5-23 degrees, namely, the adjusting range of the working angles is very wide; the double rows of fastening screw holes are used for fastening matched paddles; the fastening end face is used for installing a hub nut and sealing; the back locking port is used for back buckling and locking the hub nut to prevent the hub nut from falling off and being damaged in the running process; the truncated platform is in a column platform shape and is used for installing matched paddles with the paddle fixing surface; the centering pin hole is used for cutting off the center positioning of the platform or the blade matching 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 blade matching and fixing surface is used for assembling and fixing matched blades; the tool retracting groove is used for retracting the tool when the anti-rotation key groove is processed; the shaft penetrating threaded hole and the shaft penetrating positioning hole are used for installing a shaft and the like; the sealing groove is used for sealing by a matched O-shaped sealing ring; the fastening end concave arc groove, the middle section convex ridge, the sheath end concave arc groove, the middle section concave arc groove, the fastening end convex spherical surface and the sheath end convex spherical surface all adopt asymmetric structural design to destroy the periodicity of a fluid system and generate irregular flow, such as transitional flow, turbulent flow and the like, so that the mixing effect of slurry around the hub can be effectively improved.
Working principle: when the hub stands on the fastening end face and rotates anticlockwise, the hub of the ball shuttle-shaped blade flows in from the positioning surface of the sheath end under the action of a certain rotating speed and the like, and flows into two main flows of transitional flow and turbulent flow generated on the concave arc groove of the sheath end and the convex spherical surface of the sheath end, and flows in a small part of annular direction, and flows into the ascending slope section between the middle section convex ridge and the middle section concave arc groove and crawls in a turbulent mode, and then flows down to the concave arc groove of the fastening end and the convex spherical surface of the fastening end and the like, and the irregular flows are repeatedly mixed and circulated in this way, so that the mixing effect of slurry around the hub is improved.
Compared with the prior art, the invention has the advantages and effects that:
the ball shuttle structure is adopted, so that irregular flow is generated at the periphery of the hub, and the mixing effect of slurry at the periphery of the hub is effectively improved.
The hub has strong streamline appearance and is beautiful.
The volume is smaller, the installation is convenient, etc.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of the structure 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 a schematic perspective view of another embodiment of the present invention.
Detailed Description
The technical scheme of the invention patent is further specifically described below by examples and with reference to the accompanying drawings.
Example 1: as shown in the figure, the ball shuttle-shaped paddle hub comprises a ball shuttle body 1, 3 paddle matching and fixing surfaces 2 which are uniformly distributed are arranged in the ball shuttle body 1, the working angle of the paddles installed in the paddle matching and fixing surfaces 2 is 2.5-23 degrees, and shaft penetrating positioning holes 3 for installing stirring shafts are formed in the paddle matching and fixing surfaces 2.
Preferably, a middle-section ridge 4 is formed at the middle end between the 2 blade matching and fixing surfaces 2, a sheath end concave arc groove 5 is formed at the left end between the 2 blade matching and fixing surfaces 2, the sheath end concave arc groove 5 is positioned at the inlet end of the shaft penetrating positioning hole 3, a fastening end concave arc groove 6 is formed at the right end between the 2 blade matching and fixing surfaces 2, the fastening end concave arc groove 6 is positioned at the tail end of the shaft penetrating positioning hole 3, a middle-section concave arc groove 7 is formed at the middle end of the middle-section ridge 4, and an arc-shaped flow surface is formed by the fastening end concave arc groove 6, the middle-section ridge 4 and the sheath end concave arc groove 5.
Preferably, the center end of the blade matching and fixing surface 2 is a center centering pin hole 8, and the edge of the blade matching and fixing surface 2 is provided with a positioning pin hole 9 and a double-row fastening screw hole 10.
Preferably, the two rows of the fastening screw holes 10 are symmetrically distributed.
Preferably, the ball shuttle 1 is provided with a jacket end positioning surface 11, the jacket end positioning surface 11 is an inlet end of the stirring shaft, the ball shuttle 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 jacket end positioning surface 11 are concentrically distributed.
Preferably, the tail end in the shaft-penetrating positioning hole 3 is provided with a tool retracting groove 13, the outer end of the tool retracting groove 13 is provided with 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 tail end of the shaft-penetrating positioning hole 3 is provided with a reverse locking opening 15, and the reverse locking opening 15 is positioned at the outer side of the fastening end concave arc groove 6.
Preferably, the outer side end of the blade matching and fixing surface 2 is a convex spherical surface 16 of the sheath end, the convex spherical surface 16 of the sheath end is a transitional connection surface between the blade matching and fixing surface 2 and a positioning surface 11 of the sheath end, the outer side end of the blade matching and fixing surface 2 is a convex spherical surface 17 of the fastening end, and the convex spherical surface 17 of the fastening end is a transitional connection surface between the blade matching and fixing surface 2 and the fastening end surface 12.
A design method of a ball shuttle type blade hub includes that the total length L of a ball shuttle body is 7/5-14/9 of the radius SR of a base body ball; the base body sphere radius SR of the ball shuttle is 1/3-3/7 of the total height of the matched mixed flow type blade, and the eccentricity between the center of the base body sphere of the ball shuttle and the center of the ball shuttle is 7/24-3/10 of the base body sphere radius SR; the radius R1 of the cross section on the truncated platform is 1/2-2/3 of the radius SR of the base body, the radius R2 of the cross section on the locating surface of the sheath end is 4/9-5/11 of the radius SR of the base body, the radius SR3 of the intersecting sphere on the concave arc groove of the sheath end is 1/3-2/5 of the radius SR of the base body, the radius SR4 of the intersecting sphere on the convex ridge of the middle section is 3/4-4/5 of the radius SR of the base body, the radius SR5 of the intersecting sphere on the concave arc groove of the fastening end is 10/9-5/4 of the radius SR of the base body, and the radius SR6 of the intersecting sphere on the concave arc groove of the middle section is 1/6-1/5 of the radius SR of the base body.
Claims (4)
1. A globoidal paddle hub, characterized by: the ball shuttle comprises 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 blades installed in the blade matching and fixing surfaces (2) is 2.5-23 degrees, and shaft penetrating positioning holes (3) for installing stirring shafts are formed in the blade matching and fixing surfaces (2); the middle ends of the 2 blade matching and fixing surfaces (2) form middle-section convex ridges (4), the left ends of the 2 blade matching and fixing surfaces (2) form sheath end concave arc grooves (5) and the sheath end concave arc grooves (5) are positioned at the inlet ends of the shaft penetrating positioning holes (3), the right ends of the 2 blade matching and fixing surfaces (2) form fastening end concave arc grooves (6) and the fastening end concave arc grooves (6) are positioned at the tail ends of the shaft penetrating positioning holes (3), the middle ends of the middle-section convex ridges (4) are middle-section concave arc grooves (7), and the fastening end concave arc grooves (6), the middle-section convex ridges (4) and the sheath end concave arc grooves (5) form arc flow surfaces; the ball shuttle (1) is internally provided with a sheath end positioning surface (11), the sheath end positioning surface (11) is the inlet end of the stirring shaft, the ball shuttle (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; the outer side end of the blade matching and fixing surface (2) is a convex spherical surface (16) of the sheath end, the convex spherical surface (16) of the sheath end is a transitional connection surface of the blade matching and fixing surface (2) and a positioning surface (11) of the sheath end, the outer side end of the blade matching and fixing surface (2) is a convex spherical surface (17) of the fastening end, and the convex spherical surface (17) of the fastening end is a transitional connection surface of the blade matching and fixing surface (2) and the fastening end surface (12);
the design method of the ball shuttle type blade hub comprises the following steps: the total length L of the ball shuttle body is 7/5-14/9 of the radius SR of the base body ball; the base body sphere radius SR of the ball shuttle is 1/3-3/7 of the total height of the matched mixed flow type blade, and the eccentricity between the center of the base body sphere of the ball shuttle and the center of the ball shuttle is 7/24-3/10 of the base body sphere radius SR; the radius R1 of the cross section on the truncated platform is 1/2-2/3 of the radius SR of the base body, the radius R2 of the cross section on the locating surface of the sheath end is 4/9-5/11 of the radius SR of the base body, the radius SR3 of the intersecting sphere on the concave arc groove of the sheath end is 1/3-2/5 of the radius SR of the base body, the radius SR4 of the intersecting sphere on the convex ridge of the middle section is 3/4-4/5 of the radius SR of the base body, the radius SR5 of the intersecting sphere on the concave arc groove of the fastening end is 10/9-5/4 of the radius SR of the base body, and the radius SR6 of the intersecting sphere on the concave arc groove of the middle section is 1/6-1/5 of the radius SR of the base body.
2. A globeflower paddle hub as recited in claim 1 wherein: the center end of the blade matching and fixing surface (2) is provided with a center centering pin hole (8), and the edge of the blade matching and fixing surface (2) is provided with a positioning pin hole (9) and a double-row fastening screw hole (10).
3. A globeflower paddle wheel hub as recited in claim 2 wherein: the two rows of the fastening screw holes (10) are symmetrically distributed.
4. A globeflower paddle hub as recited in claim 1 wherein: the tail end in the shaft penetrating locating hole (3) be equipped with withdrawal groove (13) and the outer end of withdrawal groove (13) be threaded shaft hole (14), the outer end of threaded shaft hole (14) be linked together with fastening terminal surface (12), the tail end of shaft penetrating locating hole (3) be equipped with anti-locking notch (15), anti-locking notch (15) be located the outside of fastening end concave arc groove (6).
Priority Applications (1)
| 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 |
|---|---|---|---|
| CN202111198495.XA CN113713652B (en) | 2021-10-14 | 2021-10-14 | Ball shuttle-shaped blade hub and design method thereof |
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| Publication Number | Publication Date |
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| CN113713652A CN113713652A (en) | 2021-11-30 |
| CN113713652B true CN113713652B (en) | 2024-02-09 |
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| CN202111198495.XA Active CN113713652B (en) | 2021-10-14 | 2021-10-14 | Ball shuttle-shaped blade hub and design method thereof |
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| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6506019B2 (en) * | 2001-05-29 | 2003-01-14 | Solas Science & Engineering Co., Ltd. | Boat propeller capable of being easily changed in pitch thereof |
-
2021
- 2021-10-14 CN CN202111198495.XA patent/CN113713652B/en active Active
Patent Citations (11)
| 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 |
| 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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| Publication number | Publication date |
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| CN113713652A (en) | 2021-11-30 |
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