CN106194717A - A kind of rubber screw rod molded lines of rotor being applicable to spiral displacement pump - Google Patents
A kind of rubber screw rod molded lines of rotor being applicable to spiral displacement pump Download PDFInfo
- Publication number
- CN106194717A CN106194717A CN201610791634.2A CN201610791634A CN106194717A CN 106194717 A CN106194717 A CN 106194717A CN 201610791634 A CN201610791634 A CN 201610791634A CN 106194717 A CN106194717 A CN 106194717A
- Authority
- CN
- China
- Prior art keywords
- circle
- section
- screw rod
- rotor
- sections
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
- F04C13/001—Pumps for particular liquids
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
nullA kind of rubber screw rod molded lines of rotor being applicable to spiral displacement pump，Curve g h i and five sections of power transmission curve a b c d e f is sealed including identical two sections，Five sections of power transmission curve a b c d e f are by the circular arc ab of one section of basic circle D2、With roundlet R, one section is that circle is to determine the constant amplitude hypocycloid bc on circle at pitch circle D、The involute cd of one section of basic circle D2、With roundlet R, one section is that circle is to determine the constant amplitude epicycloid de on circle at pitch circle D、One section of Archimedes spiral ef started with epicycloid peak e is sequentially connected with formation，During rubber screw rod working rotor, contact area reduces，Friction reduces，Power transmission curve engages the most continuously，No leakage district and stagnant area，Form strict seal，And transition is round and smooth，It is suitable for rubber-moulding，After assembling, the volumetric efficiency of pump is high，Overall efficiency is preferable，It is particularly suitable at flow big、Lift is low、Use under the operating mode that wear requirements is high，The conveying fluid containing minute solid particles.
Description
Technical field
The invention belongs to spiral displacement pump technical field, be specifically related to a kind of rubber being applicable to spiral displacement pump
Screw rotor molded line.
Background technology
Spiral displacement pump relies on the change conveying of sealed volume between two screw rotors and the pump housing inner chamber in pump respectively
Plant fluid, be widely used in the industries such as microelectronics, quasiconductor, pharmacy, Precision Machining.The key technology of spiral displacement pump is one
To intermeshing screw rotor, and the profile of screw rotor is designed to quality and will directly affect the property of spiral displacement pump
Can, such as sealing, transfer efficiency, plot ratio etc., also determine the difficulty of processing of screw rotor simultaneously.In prior art, metal
Screw rotor pump is relatively conventional, and metal screw rotor uses turnery processing molding to be relatively easy to, and rubber screw rod impeller pump, by
Having the biggest difference in material and processing technique, such as have contraction change during rubber-moulding, rubber-moulding mould is processed very
Complexity, the transition being excessively sharp is unfavorable for rubber-moulding, and rubber screw rod rotor speed can not be the fastest etc., and existing metal screw turns
The profile of son is not applied for rubber screw rod rotor.
Summary of the invention
The present invention mainly solves the technical problem existing for above-mentioned prior art, it is provided that one is applicable to spirally hold
The rubber screw rod molded lines of rotor of long-pending pump.
The above-mentioned technical problem of the present invention is mainly addressed by following technical proposals: one is applicable to spirally
The rubber screw rod molded lines of rotor of displacement pump, in the paired screw rotor of the reverse external toothing of parallel axes, two screw rods, a left side
Rotation, a dextrorotation, two screw rod profiles form conjugate relation, and the substantial linear of said two screw rod uses Type B twin screw
Molded line, seals curve g-h-i and five sections of power transmission curve a-b-c-d-e-f, five sections of power transmission curve a-including identical two sections
B-c-d-e-f by the circular arc ab of one section of basic circle D2, one section with roundlet R be circle pitch circle D be determine constant amplitude hypocycloid bc on circle,
The involute cd of one section of basic circle D2, one section be that circle is to determine constant amplitude epicycloid de on circle, beyond one section at pitch circle D with roundlet R
The Archimedes spiral ef that cycloid peak e starts is sequentially connected with formation, wherein the diameter d2 of the diameter d and basic circle D2 of roundlet R
With the relation between the diameter d1 of cylindrical D1 is: d=0.9 (d1-d2)/2；Described constant amplitude hypocycloid bc and involute cd transition light
Suitable, and both tangential directions at b point are consistent, described involute cd is suitable with constant amplitude epicycloid de transition light, and both are at d point
Tangential direction is consistent.
By the rubber screw rod rotor of processing and fabricating of the present invention, screw rod excircle part uses Archimedes spiral can reduce work
Contact area when making, reduces friction, and power transmission curve engages the most continuously, No leakage district and stagnant area, forms strict seal, and
Transition is round and smooth, is especially suitable for rubber-moulding, and after assembling, the volumetric efficiency of pump is high, and overall efficiency is preferable, be particularly suitable for big at flow,
Use under the operating mode that lift is low, wear requirements is high, the conveying fluid containing minute solid particles, such as fire-fighting foams, mud etc..
Therefore the present invention has simple in construction, the feature such as reasonable in design.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of rubber screw rod molded lines of rotor of the present invention；
Fig. 2 is the one main TV structure schematic diagram of rubber screw rod rotor of the present invention；
Fig. 3 is a kind of side-looking structural representation of rubber screw rod rotor of the present invention.
In figure, 1-left-hand screw rotor, 2-right-hand screw rotor.
Detailed description of the invention
Below by embodiment, and combine accompanying drawing, technical scheme is described in further detail.
Embodiment: referring to Fig. 1, a kind of rubber screw rod molded lines of rotor being applicable to spiral displacement pump, anti-for parallel axes
In the paired screw rotor of external toothing, two screw rotors, one left-handed, a dextrorotation, and two screw rod profiles are formed
Conjugate relation, the substantial linear of said two screw rod uses Type B twin screw molded line, seals curve g-including identical two sections
H-i and five sections of power transmission curve a-b-c-d-e-f, five sections of power transmission curve a-b-c-d-e-f by the circular arc ab of one section of basic circle D2, one section
With roundlet R be circle pitch circle D be determine the constant amplitude hypocycloid bc on circle, the involute cd of one section of basic circle D2, one section with roundlet R be
Dynamic circle is to determine constant amplitude epicycloid de on circle, one section of Archimedes spiral ef started with epicycloid peak e sequentially at pitch circle D
Connecting and formed, wherein the relation between the diameter d2 and the diameter d1 of cylindrical D1 of the diameter d and basic circle D2 of roundlet R is: d=0.9
(d1-d2)/2；Described constant amplitude hypocycloid bc is suitable with involute cd transition light, and both tangential directions at b point are consistent, described gradually
The cd that bursts at the seams is suitable with constant amplitude epicycloid de transition light, and both tangential directions at d point are consistent.
By the rubber screw rod rotor of processing and fabricating of the present invention, screw rod excircle part uses Archimedes spiral can reduce work
Contact area when making, reduces friction, and power transmission curve engages the most continuously, No leakage district and stagnant area, forms strict seal, and
Transition is round and smooth, is especially suitable for rubber-moulding, and after assembling, the volumetric efficiency of pump is high, and overall efficiency is preferable, be particularly suitable for big at flow,
Use under the operating mode that lift is low, wear requirements is high, the conveying fluid containing minute solid particles, such as fire-fighting foams, mud etc..
Therefore the present invention has simple in construction, the feature such as reasonable in design.
Finally it is pointed out that above example is only the more representational example of the present invention.It is clear that the invention is not restricted to
Above-described embodiment, it is also possible to have many deformation.Every any letter above example made according to the technical spirit of the present invention
Single amendment, equivalent variations and modification, be all considered as belonging to protection scope of the present invention.
Claims (2)
1. it is applicable to a rubber screw rod molded lines of rotor for spiral displacement pump, for the paired screw rod of the reverse external toothing of parallel axes
Rotor, two screw rod profile conjugation, it is characterised in that the substantial linear of said two screw rod uses Type B twin screw molded line,
Curve g-h-i and five sections of power transmission curve a-b-c-d-e-f, five sections of power transmission curve a-b-c-d-is sealed including identical two sections
E-f by the circular arc ab of one section of basic circle D2, one section be that circle is to determine the constant amplitude hypocycloid bc on circle, one section of base at pitch circle D with roundlet R
The circle involute cd of D2, one section with roundlet R be to justify pitch circle D be determine constant amplitude epicycloid de on circle, one section with epicycloid
The Archimedes spiral ef that high point e starts is sequentially connected with formation, wherein the diameter d2 of the diameter d and basic circle D2 of roundlet R and cylindrical
Relation between the diameter d1 of D1 is: d=0.9 (d1-d2)/2；Described constant amplitude hypocycloid bc is suitable with involute cd transition light, and
Both tangential directions at b point are consistent, and described involute cd is suitable with constant amplitude epicycloid de transition light, and both tangent lines at d point
Direction is consistent.
A kind of rubber screw rod molded lines of rotor being applicable to spiral displacement pump, it is characterised in that institute
Stating in two screw rods, one left-handed, a dextrorotation, forms conjugate relation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610791634.2A CN106194717B (en) | 2016-08-31 | 2016-08-31 | A kind of rubber screw rod molded lines of rotor suitable for spiral displacement pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610791634.2A CN106194717B (en) | 2016-08-31 | 2016-08-31 | A kind of rubber screw rod molded lines of rotor suitable for spiral displacement pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106194717A true CN106194717A (en) | 2016-12-07 |
| CN106194717B CN106194717B (en) | 2018-03-16 |
Family
ID=58085924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610791634.2A Active CN106194717B (en) | 2016-08-31 | 2016-08-31 | A kind of rubber screw rod molded lines of rotor suitable for spiral displacement pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106194717B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854504A (en) * | 2019-04-02 | 2019-06-07 | 萨震压缩机（上海）有限公司 | Energy saving screw molded line |
| WO2019119503A1 (en) * | 2017-12-19 | 2019-06-27 | 江南大学 | Method for modifying performance of rotor profile by adjusting meshing line segments |
| CN110230592A (en) * | 2019-07-30 | 2019-09-13 | 浙江博大泵业有限公司 | A kind of Quimby pump that metal screw is used with the pairing of line with rubber screw rod |
| CN111550400A (en) * | 2020-05-14 | 2020-08-18 | 天津市百利溢通电泵有限公司 | Axial-flow type inner gearing displacement pump with outer rotor provided with rubber inner bushing |
| US10883496B2 (en) | 2017-12-19 | 2021-01-05 | Jiangnan University | Method for modifying performance of rotor profile by adjusting meshing line segments |
| CN112539171A (en) * | 2020-12-07 | 2021-03-23 | 浙江博大泵业有限公司 | Two-head three-head glue-applying double screw |
| CN115111160A (en) * | 2022-06-24 | 2022-09-27 | 宁波爱发科真空技术有限公司 | Screw pump rotor molded lines |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58155288A (en) * | 1982-03-11 | 1983-09-14 | Shigeyoshi Osada | Improved-type queen-bee pump |
| CN1299928A (en) * | 2001-01-21 | 2001-06-20 | 华南理工大学 | Screw bolt with new type of profile |
| CN102979731A (en) * | 2012-12-03 | 2013-03-20 | 西安交通大学 | Rotor profile of double-screw vacuum pump, and designing method of rotor profile |
| CN103195716A (en) * | 2013-05-07 | 2013-07-10 | 巫修海 | Novel tooth-shaped screw type wire |
| CN206144781U (en) * | 2016-08-31 | 2017-05-03 | 浙江威隆机械科技有限公司 | Rubber screw rotor molded lines suitable for spiral displacement pump |
-
2016
- 2016-08-31 CN CN201610791634.2A patent/CN106194717B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58155288A (en) * | 1982-03-11 | 1983-09-14 | Shigeyoshi Osada | Improved-type queen-bee pump |
| CN1299928A (en) * | 2001-01-21 | 2001-06-20 | 华南理工大学 | Screw bolt with new type of profile |
| CN102979731A (en) * | 2012-12-03 | 2013-03-20 | 西安交通大学 | Rotor profile of double-screw vacuum pump, and designing method of rotor profile |
| CN103195716A (en) * | 2013-05-07 | 2013-07-10 | 巫修海 | Novel tooth-shaped screw type wire |
| CN206144781U (en) * | 2016-08-31 | 2017-05-03 | 浙江威隆机械科技有限公司 | Rubber screw rotor molded lines suitable for spiral displacement pump |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019119503A1 (en) * | 2017-12-19 | 2019-06-27 | 江南大学 | Method for modifying performance of rotor profile by adjusting meshing line segments |
| US10883496B2 (en) | 2017-12-19 | 2021-01-05 | Jiangnan University | Method for modifying performance of rotor profile by adjusting meshing line segments |
| CN109854504A (en) * | 2019-04-02 | 2019-06-07 | 萨震压缩机（上海）有限公司 | Energy saving screw molded line |
| CN109854504B (en) * | 2019-04-02 | 2020-03-24 | 萨震压缩机（上海）有限公司 | Energy-saving screw molded line |
| CN110230592A (en) * | 2019-07-30 | 2019-09-13 | 浙江博大泵业有限公司 | A kind of Quimby pump that metal screw is used with the pairing of line with rubber screw rod |
| CN111550400A (en) * | 2020-05-14 | 2020-08-18 | 天津市百利溢通电泵有限公司 | Axial-flow type inner gearing displacement pump with outer rotor provided with rubber inner bushing |
| CN112539171A (en) * | 2020-12-07 | 2021-03-23 | 浙江博大泵业有限公司 | Two-head three-head glue-applying double screw |
| CN115111160A (en) * | 2022-06-24 | 2022-09-27 | 宁波爱发科真空技术有限公司 | Screw pump rotor molded lines |
| CN115111160B (en) * | 2022-06-24 | 2024-02-20 | 宁波爱发科真空技术有限公司 | Screw pump rotor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106194717B (en) | 2018-03-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106194717B (en) | A kind of rubber screw rod molded lines of rotor suitable for spiral displacement pump | |
| CN104776027B (en) | Strict seal type dry screw vacuum pump screw rotor | |
| CN103195716A (en) | Novel tooth-shaped screw type wire | |
| KR20070112211A (en) | Gear pump | |
| CN101290009A (en) | All-tooth profile engaged dedicated gear | |
| CN102828954B (en) | Novel rotor profile of twin-screw compressor | |
| CN108757452B (en) | Tooth type of high-pressure ratio double-screw compressor rotor | |
| CN206144781U (en) | Rubber screw rotor molded lines suitable for spiral displacement pump | |
| CN102287374B (en) | Tooth form of twin-screw compressor rotor | |
| CN209164072U (en) | A kind of external gear rotary pump inner end wedge thread form compensating groove | |
| CN103982425A (en) | Tooth type of dry double-screw compressor rotor | |
| CN206495780U (en) | High temperature aluminium liquid delivery pump | |
| CN100360810C (en) | Screw profile for high flow high-pressure dual-screw pump | |
| CN203223383U (en) | Screw rotor type line of strictly sealed dry type screw vacuum pump | |
| CN110005609B (en) | Smooth rotor profile of double-screw vacuum pump and design method thereof | |
| CN112610474A (en) | Conical rotor double-screw pump with bilateral exhaust | |
| CN210889307U (en) | Screw molded line of four-screw pump | |
| CN206175207U (en) | Universal spiral shell sucker -rod pumping | |
| CN113236561B (en) | Variable-pitch co-rotating meshing double-screw compressor rotor and compressor | |
| CN104265629A (en) | Cam rotor with addendum circle and dedendum circle tangently matched and cam arcs on two sides | |
| CN210397082U (en) | Double-screw pump with matched metal screw and rubber-lined screw | |
| CN107829931A (en) | A kind of Twin-screw vacuum pump molded lines of rotor | |
| CN203835710U (en) | Improved NCB internal gear pump | |
| CN207583624U (en) | A kind of elastic composite spiral axial pump | |
| JPH01147177A (en) | Internal gear rotor for pump or motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Rubber screw rotor profile suitable for screw type positive displacement pump Effective date of registration: 20210825 Granted publication date: 20180316 Pledgee: Ganlin sub branch of Zhejiang Shengzhou Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG WEILONG MECHANICAL TECHNOLOGY Co.,Ltd. Registration number: Y2021330001243 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211215 Granted publication date: 20180316 Pledgee: Ganlin sub branch of Zhejiang Shengzhou Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG WEILONG MECHANICAL TECHNOLOGY CO.,LTD. Registration number: Y2021330001243 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220113 Address after: 312463 Shangdu mountain, Guishan village, Ganlin Town, Shengzhou City, Shaoxing City, Zhejiang Province (residence declaration) Patentee after: Shaoxing weigelong Pump Co.,Ltd. Address before: 312462 Zhejiang Weilong Machinery Technology Co., Ltd., shangdushan village, Ganlin Town, Shengzhou City, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG WEILONG MECHANICAL TECHNOLOGY CO.,LTD. |