CN104214070A - Shaftless spiral feeding screw pump - Google Patents
Shaftless spiral feeding screw pump Download PDFInfo
- Publication number
- CN104214070A CN104214070A CN201310215554.9A CN201310215554A CN104214070A CN 104214070 A CN104214070 A CN 104214070A CN 201310215554 A CN201310215554 A CN 201310215554A CN 104214070 A CN104214070 A CN 104214070A
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- Prior art keywords
- screw feeding
- shaftless screw
- suction chamber
- rotor
- stator
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Abstract
The invention provides a shaftless spiral feeding screw pump which comprises a motor, a speed reducer, a coupling and a pump body. The motor is connected with the speed reducer. The speed reducer is connected with the pump body through the coupling. The pump body comprises a bearing seat, a transmission shaft, a suction chamber, a stator and a rotor. The bearing seat is connected with the coupling. One end of the suction chamber is fixedly connected with the bearing seat, and the other end of the suction chamber is fixedly connected with the stator. The connecting position of the suction chamber and the stator is sealed. The transmission shaft is sleeved with the bearing seat. The stator and the rotor are matched with each other and are mounted in the pump body. The rotor is connected with the transmission shaft through an intermediate shaft. The intermediate shaft is located in the suction chamber. The intermediate shaft is in eccentric connection with the rotor. A feeding port is formed in the position, where the intermediate shaft is located, of the suction chamber. The shaftless spiral feeding screw pump further comprises a shaftless spiral feeding blade. One end of the shaftless spiral feeding blade is fixedly connected with the transmission shaft. The shaftless spiral feeding screw pump has the advantages of being simple in structure, high in feeding efficiency and long in service life.
Description
Technical field
The present invention relates generally to conveying mechanical field, mainly a kind of shaftless screw feeding spiro rod pump.
Background technique
The spiral feed pump technology of prior art, as the pump housing of the patent No. to be 201120512782 patent names be band centering spiral-tube, because its spiral-tube is connected with rotor, it is solid construction in the middle part of spiral-tube, cannot pressure release under solid accumulation to rotor inlet place situation, it is carrying the inert material that viscosity is large, during as dewatered sludge, the spiral-tube of material easily and in suction chamber and helical blade pile up compacting, form bar-shaped, do not play the effect advancing material, usability is discount to some extent, and easily produce the dry operation of pump, cause the life-span of pump to decline.
The Shaftless screw conveyor technology of existing market, its mass transport belongs to open, cannot material pressurized delivered, and what require for there being pressure conveying just cannot reach usage requirement.
Summary of the invention
In order to solve the problem, the present invention proposes a kind of shaftless screw feeding spiro rod pump.A kind of shaftless screw feeding spiro rod pump that the present invention proposes overcomes the shortcoming and defect in background technique, and structure is simple, and powder feeding efficiency is high, long service life.
The present invention solves the problems of the technologies described above adopted technological scheme:
A kind of shaftless screw feeding spiro rod pump, comprise motor, retarder, coupling and the pump housing, described motor is connected with retarder, described retarder is connected with the pump housing by coupling, the described pump housing comprises bearing support, transmission shaft, suction chamber, stator, rotor, described bearing support is connected with coupling, one end of described suction chamber is fixedly connected with bearing support, the other end of described suction chamber is fixedly connected with stator, the joint of described suction chamber and stator seals, transmission shaft is arranged with in described bearing support, the described pump housing is built with the stator of working in coordination and rotor, described rotor is connected by jack shaft with between transmission shaft, described jack shaft is positioned at suction chamber, described jack shaft is connected with rotor eccentricity, the suction chamber of described jack shaft position is provided with material feeding mouth, also comprise shaftless screw feeding blade, one end of described shaftless screw feeding blade is fixedly connected with transmission shaft, jack shaft is provided with in described shaftless screw feeding blade central space, described suction chamber cylindrically.
Above-mentioned a kind of shaftless screw feeding spiro rod pump, wherein, shaftless screw feeding blade is fixedly connected with transmission shaft by flange, is convenient to dismounting, maintenance.
Above-mentioned a kind of shaftless screw feeding spiro rod pump, wherein, the external diameter of described shaftless screw feeding blade and the gap of suction chamber internal diameter are less than or equal to 10 millimeters.
Above-mentioned a kind of shaftless screw feeding spiro rod pump, wherein, described jack shaft is connected with transmission shaft by the first universal joint, and described rotor is connected with jack shaft by the second universal joint.
Above-mentioned a kind of shaftless screw feeding spiro rod pump, wherein, described rotor is rigidity single thread face construction rotor, and stator is elasticity twin-feed spiral face structure stator.
Above-mentioned a kind of shaftless screw feeding spiro rod pump, wherein, the side of the described pump housing arranges discharge body, and described discharge body is fixedly connected with stator by pull bar.Discharge the open end of body and arrange flange-interface, described flange-interface can be connected with the pipeline used, and uses pull bar can ensure being tightly connected of discharge body and stator.
Above-mentioned a kind of shaftless screw feeding spiro rod pump, wherein, the described pump housing is the singe screw pump housing.
Above-mentioned a kind of shaftless screw feeding spiro rod pump, wherein, the external diameter of inner diameter-max(first universal joint of described shaftless screw feeding blade, the external diameter of the second universal joint) the eccentricity value <=40 millimeter of-2 × stator and rotor.
Shaftless screw feeding blade is provided with in the pump housing of product of the present invention, and adopt the helical rotor pump transporting pattern of rigidity single thread face structure stator and elasticity twin-feed spiral face structure stator, because shaftless screw feeding blade is fixedly installed on transmission shaft, Concentric rotation is done with transmission shaft, gap between shaftless screw feeding blade outer wall and suction chamber inwall is accomplished very little (within such as 10 millimeters), increase quantity delivered, viscous material is discharged from the pressurization of pump housing cavity volume with the propelling of shaftless screw feeding blade, when there is solid accumulation pressure and increasing, material can return suction chamber entry end from the central space of shaftless screw feeding blade automatically, and suction chamber one end near rotor can not be squeezed in, thus produce pressure release effect, form bar-shaped after avoiding solid accumulation with jack shaft, improve the progradation of viscous material.Traditional helical blade is arranged on jack shaft, and the one end due to jack shaft is followed rotor and done planetary oscillating, can not accomplish and transmission shaft Concentric rotation, and eccentric motion numerical value must be considered in the gap that thus helical blade outer wall and the corresponding pump housing hold between matter inwall.So shaftless screw feeding blade is directly connected with transmission shaft by product of the present invention, avoid bulk materials to pile up at suction chamber inwall, improve the push-in stroke of viscous material, avoid occurring dead angle, reduce viscous material air content, reduce cavitation erosion, avoid the dry operation of the pump housing, ensure that the life-span of pump, improve pump efficiency.Operationally, the planetary motion of rotor makes jack shaft produce the swing of small angle spiral to product of the present invention, and the swing of jack shaft increases disturbance to the spiral charging of shaftless screw feeding blade, improves powder feeding efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of shaftless screw feeding spiro rod of the present invention pump structure schematic diagram;
Fig. 2 is the partial structurtes schematic diagram of a kind of shaftless screw feeding spiro rod of the present invention pump.
Description of reference numerals:
1 motor 2 retarder 3 bearing support
Body discharged by 4 suction chamber 5 rotors 6
7 stator 8 pull bar 9 second universal joints
10 jack shaft 11 shaftless screw feeding blades
12 first universal joint 13 transmission shaft 14 coupling
15 pump housing 16 material feeding mouths
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
A kind of shaftless screw feeding spiro rod pump, comprise motor 1, retarder 2, coupling 14 and the pump housing 15, described motor 1 is connected with retarder 2, described retarder 2 is connected with the pump housing 15 by coupling 14, the described pump housing 15 comprises bearing support 3, transmission shaft 13, suction chamber 4, shaftless screw feeding blade 11, stator 7, rotor 5, discharge body 6, described bearing support 3 is connected with coupling 14, one end of described suction chamber 4 is fixedly connected with bearing support 3, the other end of described suction chamber 4 is fixedly connected with stator 7, described suction chamber 4 seals with the joint of stator 7, transmission shaft 13 is arranged with in described bearing support 3, the described pump housing 15 is built with the stator 7 of working in coordination and rotor 5, described rotor 5 is connected by jack shaft 10 with between transmission shaft 13, one end of described jack shaft 10 is connected with transmission shaft 13 by the first universal joint 12, the other end is connected with rotor 5 by the second universal joint 9.Described jack shaft 10 is positioned at suction chamber 4, and described jack shaft 10 is connected with rotor 5 bias, and the suction chamber 4 of described jack shaft 10 position is provided with material feeding mouth 16.Described rotor 5 is rigidity single thread face construction rotor, and stator 7 is elasticity twin-feed spiral face structure stator, and the described pump housing 15 is singe screw pump housings.
One end of shaftless screw feeding blade 11 is fixedly connected with transmission shaft 13 by flange, is convenient to the dismounting of shaftless screw feeding blade 11, maintenance; Be provided with jack shaft 10 in described shaftless screw feeding blade 11 central space, described suction chamber 4 cylindrically.The external diameter of described shaftless screw feeding blade 11 and the gap of suction chamber 4 internal diameter are less than or equal to 10 millimeters, and the difference of the length of shaftless screw feeding blade 11 and the length of suction chamber 4 is less than or equal to 10 millimeters.The external diameter of described shaftless screw feeding blade and the difference of suction chamber 4 internal diameter less, the difference of the length of shaftless screw feeding blade 11 and the length of suction chamber 4 is less, and the conveying effect of product of the present invention is better.
The side of the described pump housing 15 is arranged discharges body 6, and described discharge body 6 is fixedly connected with stator 7 by pull bar 8.Discharge the open end of body 6 and arrange flange-interface, described flange-interface can be connected with the pipeline used, and uses pull bar 8 can ensure to discharge being tightly connected of body 6 and stator 7.
The external diameter of inner diameter-max(first universal joint of described shaftless screw feeding blade 11, the external diameter of the second universal joint) the eccentricity value <=40 millimeter of-2 × stator and rotor.
In order to ensure to be transferred the phenomenons such as material does not block in course of conveying, accumulation, the push-in stroke that shaftless screw feeding blade 11 often turns is less than or equals the quantity delivered that rotor 5 often turns, and the pitch of the push-in stroke that shaftless screw feeding blade 11 often turns=(shaftless screw feeding blade 11 external diameter place area-shaftless screw feeding blade 11 internal diameter place area) × shaftless screw feeding blade 11.In addition, the moment of torsion that also will can bear according to the weight of shaftless screw feeding blade 11, bearing and the use occasion of product of the present invention decide length and the external diameter of the suction chamber 4 of product of the present invention.
The power of motor 1 passes to through retarder 2, coupling 14, transmission shaft 13 the shaftless spiral shell feeding blade 11 fixed with it.Because shaftless screw feeding blade 11 is fixedly connected with transmission shaft 13, shaftless screw feeding blade 11 does form concentric spirals motion in suction chamber 4, the viscous material in the pump housing 15 is pushed to the cavity volume that rotor 5 is formed with stator 7.The power of motor 1 passes to coupled rotor 5 through retarder 2, coupling 14, transmission shaft 13, first universal joint 12, jack shaft 10, second universal joint 9, due to the restriction of stator 7 die cavity, the rotation of rotor 5 in stator 7, existing rotation has again with the planetary motion of small eccentricity revolution.Engaging the cavity volume formed when rotor 5 moves to move to discharging body 6 side continuously with stator 7, viscous material in chamber being exported through discharging body 6, transmission shaft 13 side cavity volume vacuum simultaneously, the viscous material advanced via shaftless screw feeding blade 11 is sucked.Due to hollow in the middle part of shaftless screw feeding blade 11, there is space in its inside, can avoid viscous material pile up after with jack shaft form bar-shaped, improve the volumetric efficiency of pump, avoid the dry operation of pump, ensure that pump normal safe operation.Because shaftless screw feeding blade 11 has axial elasticity, the speed ratio that can control screw feeding and screw feed compresses gas in mud to make shaftless screw feeding blade 11, reduces cavitation erosion, improves pump efficiency.Because shaftless screw feeding blade 11 and transmission shaft 13 do Concentric rotation, the gap between the inwall can accomplishing shaftless screw feeding blade 11 outer wall and suction chamber 4 is accomplished very little, increases quantity delivered.
See Fig. 2, because the motion of rotor 5 exists small eccentricity, the jack shaft 10 be connected with rotor 5 is done, and feel relieved in one end, the rotary motion of one end bias, and the viscous material near jack shaft 10 can be made to promote to shaftless screw feeding blade 11 place, help to spiral feeding belt, raise the efficiency.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a shaftless screw feeding spiro rod pump, comprise motor, retarder, coupling and the pump housing, described motor is connected with retarder, described retarder is connected with the pump housing by coupling, the described pump housing comprises bearing support, transmission shaft, suction chamber, stator, rotor, described bearing support is connected with coupling, one end of described suction chamber is fixedly connected with bearing support, the other end of described suction chamber is fixedly connected with stator, the joint of described suction chamber and stator seals, transmission shaft is arranged with in described bearing support, the described pump housing is built with the stator of working in coordination and rotor, described rotor is connected by jack shaft with between transmission shaft, described jack shaft is positioned at suction chamber, described jack shaft is connected with rotor eccentricity, the suction chamber of described jack shaft position is provided with material feeding mouth, it is characterized in that, also comprise shaftless screw feeding blade, one end of described shaftless screw feeding blade is fixedly connected with transmission shaft, jack shaft is provided with in described shaftless screw feeding blade central space, described suction chamber cylindrically.
2. a kind of shaftless screw feeding spiro rod pump according to claim 1, it is characterized in that, shaftless screw feeding blade is fixedly connected with transmission shaft by flange.
3. a kind of shaftless screw feeding spiro rod pump according to claim 1, is characterized in that, the external diameter of described shaftless screw feeding blade and the gap of suction chamber internal diameter are less than or equal to 10 millimeters.
4. a kind of shaftless screw feeding spiro rod pump according to claim 1, is characterized in that, described jack shaft is connected with transmission shaft by the first universal joint, and described rotor is connected with jack shaft by the second universal joint.
5. a kind of shaftless screw feeding spiro rod pump according to claim 1 or 4, is characterized in that, described rotor is rigidity single thread face construction rotor, and stator is elasticity twin-feed spiral face structure stator.
6. a kind of shaftless screw feeding spiro rod pump according to claim 1, it is characterized in that, the side of the described pump housing arranges discharge body, and described discharge body is fixedly connected with stator by pull bar, and the open end of described discharge body arranges flange-interface.
7. a kind of shaftless screw feeding spiro rod pump according to claim 1, it is characterized in that, the described pump housing is the singe screw pump housing.
8. a kind of shaftless screw feeding spiro rod pump according to claim 4, it is characterized in that, the external diameter of inner diameter-max(first universal joint of described shaftless screw feeding blade, the external diameter of the second universal joint) the eccentricity value <=40 millimeter of-2 × stator and rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310215554.9A CN104214070A (en) | 2013-05-31 | 2013-05-31 | Shaftless spiral feeding screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310215554.9A CN104214070A (en) | 2013-05-31 | 2013-05-31 | Shaftless spiral feeding screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104214070A true CN104214070A (en) | 2014-12-17 |
Family
ID=52095888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310215554.9A Pending CN104214070A (en) | 2013-05-31 | 2013-05-31 | Shaftless spiral feeding screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104214070A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107187815A (en) * | 2017-07-14 | 2017-09-22 | 扬州起航机械有限公司 | A kind of screw feeder of self-cleaning |
| CN108314293A (en) * | 2018-04-14 | 2018-07-24 | 宜兴市爱迪尔科技有限公司 | Low temperature belt-type drying system |
| CN108825511A (en) * | 2018-07-23 | 2018-11-16 | 无锡唯勒科技有限公司 | Single-screw rotor pump |
| CN115871337A (en) * | 2022-12-21 | 2023-03-31 | 众联易通(北京)科技有限公司 | Ink jet apparatus and printing ink jet system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001140769A (en) * | 1999-11-12 | 2001-05-22 | Heishin Engineering & Equipment Co Ltd | Eccentric screw pump with single shaft and buffering method for stopping rotation |
| CN1529679A (en) * | 2001-06-21 | 2004-09-15 | �����̬��Ʒ����˾ | Device for thickening or dewatering sludge, watery, sediments or the like, espeically surplus sludge in sewage treantment plants |
| CN201720014U (en) * | 2010-07-09 | 2011-01-26 | 杭州兴龙泵业有限公司 | Mixing single-screw pump |
| CN202417930U (en) * | 2011-12-09 | 2012-09-05 | 重庆明珠机电有限公司 | Pump with centering spiral drum |
| CN203463295U (en) * | 2013-05-31 | 2014-03-05 | 杭州兴龙泵业有限公司 | Shaftless screw feeding type screw pump |
-
2013
- 2013-05-31 CN CN201310215554.9A patent/CN104214070A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001140769A (en) * | 1999-11-12 | 2001-05-22 | Heishin Engineering & Equipment Co Ltd | Eccentric screw pump with single shaft and buffering method for stopping rotation |
| CN1529679A (en) * | 2001-06-21 | 2004-09-15 | �����̬��Ʒ����˾ | Device for thickening or dewatering sludge, watery, sediments or the like, espeically surplus sludge in sewage treantment plants |
| CN201720014U (en) * | 2010-07-09 | 2011-01-26 | 杭州兴龙泵业有限公司 | Mixing single-screw pump |
| CN202417930U (en) * | 2011-12-09 | 2012-09-05 | 重庆明珠机电有限公司 | Pump with centering spiral drum |
| CN203463295U (en) * | 2013-05-31 | 2014-03-05 | 杭州兴龙泵业有限公司 | Shaftless screw feeding type screw pump |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107187815A (en) * | 2017-07-14 | 2017-09-22 | 扬州起航机械有限公司 | A kind of screw feeder of self-cleaning |
| CN107187815B (en) * | 2017-07-14 | 2023-10-13 | 扬州起航机械有限公司 | Self-cleaning screw feeder |
| CN108314293A (en) * | 2018-04-14 | 2018-07-24 | 宜兴市爱迪尔科技有限公司 | Low temperature belt-type drying system |
| CN108825511A (en) * | 2018-07-23 | 2018-11-16 | 无锡唯勒科技有限公司 | Single-screw rotor pump |
| CN115871337A (en) * | 2022-12-21 | 2023-03-31 | 众联易通(北京)科技有限公司 | Ink jet apparatus and printing ink jet system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141217 |
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| RJ01 | Rejection of invention patent application after publication |