CN113775520A - Corrosion-resistant wear-resistant double-screw pump - Google Patents
Corrosion-resistant wear-resistant double-screw pump Download PDFInfo
- Publication number
- CN113775520A CN113775520A CN202111118939.4A CN202111118939A CN113775520A CN 113775520 A CN113775520 A CN 113775520A CN 202111118939 A CN202111118939 A CN 202111118939A CN 113775520 A CN113775520 A CN 113775520A
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- Prior art keywords
- resistant
- corrosion
- screw pump
- wear
- base
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- 238000005260 corrosion Methods 0.000 title claims abstract description 20
- 230000007797 corrosion Effects 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 32
- 239000002245 particle Substances 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 239000007787 solid Substances 0.000 claims abstract description 16
- 239000000872 buffer Substances 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 239000011236 particulate material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 15
- 239000012530 fluid Substances 0.000 abstract description 9
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
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
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
-
- 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
- F04C13/005—Removing contaminants, deposits or scale from the pump; Cleaning
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
A corrosion-resistant wear-resistant double-screw pump belongs to the technical field of double-screw pumps; the corrosion-resistant wear-resistant double-screw pump comprises a base, a transverse plate movably arranged above the base through an elastic buffer mechanism, and a lining fixed on the transverse plate, a feed inlet and a discharge outlet which are respectively used for inputting and outputting materials are arranged on the bushing, and a thread matching mechanism used for conveying the materials is arranged in the bushing, the material is input at the feed inlet of the bushing, the particle interception mechanism filters fine solid particles in the material, therefore, the increase of the friction force in the fluid conveying process caused by the solid particles entering the lining is effectively prevented, and then lead to the problem that parts in bush or the bush take place wearing and tearing, to sum up, effectively avoided the serious problem of inside parts wearing and tearing in the operation process to, promoted the life of pump greatly, be suitable for using widely.
Description
Technical Field
The invention belongs to the technical field of double-screw pumps, and particularly relates to a corrosion-resistant wear-resistant double-screw pump.
Background
The double-screw pump is a common fluid conveying device, has the advantages of stable medium conveying, no pulsation, no stirring, small vibration, low noise and the like, is widely applied to a plurality of fields such as food, petroleum, chemical engineering and the like at the present stage, forms a sealed cavity with constant volume between a spiral sleeve and a pump body or a lining which are mutually meshed on a driving shaft and a driven shaft, respectively conveys the medium to the middle of the pump body along with the rotation of the screw shaft, and finally conveys the medium to the outlet of the pump, thereby realizing the purpose of conveying the pump.
The twin-screw pump has two types of sealing type and non-sealing type, and the twin-screw pump is divided into a double-suction type structure and a single-suction type structure according to whether a medium enters an engagement space from one end or two ends. The double-screw pump is an externally meshed screw pump which pumps liquid by utilizing two mutually meshed and non-contact screws. The double-screw pump is a double-suction non-closed double-screw pump. A drive screw having one end extending out of the pump is driven by a prime mover.
The existing twin-screw pump is in the using process, because fine solid particles usually exist in materials, the solid particles can increase the friction force in the fluid conveying process, so that the screw sleeve or the lining is abraded, the service life of the twin-screw pump is greatly shortened, and therefore, the practical effect in an ideal situation is often not achieved in the actual use.
Disclosure of Invention
The invention mainly solves the technical problems in the prior art and provides a corrosion-resistant wear-resistant double-screw pump.
The technical problem of the invention is mainly solved by the following technical scheme: the utility model provides a wear-resisting type double screw pump of corrosion resistant, wear-resisting type double screw pump of corrosion resistant includes the base and is in through the activity setting of elastic buffer mechanism the diaphragm of base top still includes:
the lining is fixed on the transverse plate, a feeding hole and a discharging hole which are used for inputting and outputting materials are formed in the lining, and a thread matching mechanism used for conveying the materials is installed inside the lining;
the particle intercepting mechanism is arranged on the feeding hole and used for filtering the material input into the lining so as to remove fine solid particles in the material.
Furthermore, the thread matching mechanism comprises a driving shaft and a driven shaft which are rotatably arranged in the bushing, and a first spiral sleeve and a second spiral sleeve which are respectively fixed on the driving shaft and the driven shaft;
the driving shaft and the driven shaft are respectively fixed with a first gear and a second gear, the first gear is meshed with the second gear, and the tail end of the driving shaft is connected with an output end of a driving motor arranged on the upper portion of the transverse plate.
Furthermore, the particle intercepting mechanism comprises a filtering component which is matched with the feeding hole and is used for filtering fine fixed particles in the material, and an opening and closing control structure which is arranged on the filtering component and is used for switching the opening and closing state of the feeding hole;
the filtering component comprises a filter hopper arranged on the feeding hole and a bearing cylinder which is fixed with the filter hopper and used for fixedly collecting fine particles in the material, and a fixed disc is obliquely arranged in the bearing cylinder.
Furthermore, the opening and closing control structure comprises a butterfly valve arranged on the feeding hole, a rack plate fixed at the bottom of the receiving barrel and a third gear arranged on a rotating knob of the butterfly valve, and the third gear is matched with teeth on the rack plate.
Furthermore, the elastic buffer mechanism comprises four groups of telescopic structures arranged between the base and the transverse plate and an elastic sliding assembly which is arranged on the base and connected with the bottom of the transverse plate;
the telescopic structure comprises a vertical plate which is fixed on the side part of the base and is vertical to the base, and a movable plate which is fixed on the side part of the horizontal plate;
the interior of the vertical plate is arranged in a hollow mode and is in sliding fit with the movable plate.
Furthermore, the elastic sliding structure comprises two transverse shafts fixed above the base, a sliding block arranged on the transverse shafts in a sliding manner, and a connecting plate connecting the sliding block and the bottom of the transverse plates;
the cross shaft is further sleeved with two springs, the tail ends of the springs are connected with the sliding block, and two ends of the connecting plate are respectively connected with the sliding block and the bottom of the transverse plate in a rotating mode.
Compared with the prior art, the invention has the beneficial effects that: when the pump is used, materials are input at the feeding hole of the lining, and fine solid particles in the materials are filtered by the particle intercepting mechanism, so that the problem that the friction force in the fluid conveying process is increased due to the fact that the solid particles enter the lining, and then parts in the lining or the lining are abraded is effectively solved, the service life of the pump is greatly prolonged, and the pump is suitable for popularization and use.
Drawings
FIG. 1 is a schematic view of the structure provided by the present invention;
FIG. 2 is a schematic view of the internal structure of the bushing provided by the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
fig. 4 is a schematic structural diagram of the elastic buffer mechanism provided by the present invention.
In the figure: 1. a base; 2. a vertical plate; 3. a movable plate; 4. a transverse plate; 5. a bushing; 6. a drive motor; 7. a drive shaft; 8. a driven shaft; 9. a first helical casing; 10. a second helical casing; 11. a first gear; 12. a second gear; 13. a horizontal axis; 14. a slider; 15. a spring; 16. a connecting plate; 17. a feed inlet; 18. a receiving cylinder; 19. a filter hopper; 20. a discharge port; 21. a butterfly valve; 22. a third gear; 23. a rack plate; 24. and (7) fixing the disc.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to effectively explain embodiments of the present invention, the embodiments of the present application will be described in detail below with reference to the accompanying drawings.
The invention provides a corrosion-resistant wear-resistant double-screw pump, which aims to solve the problem that a spiral sleeve or a lining is abraded due to the existence of fine fixed particles in materials
Example one
Referring to fig. 1-4, in an embodiment of the present invention, an anti-corrosion and anti-wear type twin-screw pump includes a base 1 and a transverse plate 4 movably disposed above the base 1 through an elastic buffer mechanism, and further includes:
the lining 5 is fixed on the transverse plate 4, a feeding hole 17 and a discharging hole 20 which are used for inputting and outputting materials are arranged on the lining 5, and a thread matching mechanism used for conveying the materials is arranged in the lining 5;
and the particle intercepting mechanism is arranged on the feeding hole 17 and is used for filtering the material input into the lining 5 so as to remove fine solid particles in the material.
In the embodiment of the invention, when the device is used, materials are input at the feed inlet of the lining 5, and the particle interception mechanism filters fine solid particles in the materials, so that the problem that the friction force is increased in the fluid conveying process due to the fact that the solid particles enter the lining 5, and further the lining 5 or parts in the lining 5 are abraded is effectively prevented;
in the working process of the double-screw pump, the elastic buffer mechanism buffers the vibration generated in the process, and plays a certain role in shock absorption, so that the stability of the double-screw pump in the operation is improved;
in conclusion, the double-screw pump is stable in structure, and effectively avoids the problem that internal parts are seriously abraded in the operation process, so that the service life of the pump is greatly prolonged, and the double-screw pump is suitable for popularization and use.
Example two
The thread matching mechanism comprises a driving shaft 7 and a driven shaft 8 which are rotatably arranged in the bushing 5, and a first spiral sleeve 9 and a second spiral sleeve 10 which are respectively fixed on the driving shaft 7 and the driven shaft 8;
the driving shaft 7 and the driven shaft 8 are respectively fixed with a first gear 11 and a second gear 12, the first gear 11 is meshed with the second gear 12, and the tail end of the driving shaft 7 is connected with the output end of a driving motor 6 arranged on the upper portion of the transverse plate 4.
In the embodiment of the present invention, it should be added that the rotation directions of the threads on the first screw sleeve 9 and the second screw sleeve 10 are opposite, a sealed chamber with a constant volume is formed between the first screw sleeve 9 and the second screw sleeve 10 and the liner 5, when the driving motor 6 operates, the driving shaft 7 and the driven shaft 8 rotate, and the negative pressure generated inside the chamber draws the fluid into the chamber and outputs the fluid through the discharge port 20.
EXAMPLE III
The particle intercepting mechanism comprises a filtering component matched with the feed port 17 and used for filtering fine fixed particles in the material and an opening and closing control structure arranged on the filtering component, and the opening and closing control structure is used for switching the opening and closing states of the feed port 17;
the filtering component comprises a filter hopper 19 arranged on the feeding hole 17 and a receiving cylinder 18 which is fixed with the filter hopper 19 and is used for fixedly collecting fine particles in the materials;
a fixed disc 24 is also obliquely arranged in the receiving cylinder 18;
the opening and closing control structure comprises a butterfly valve 21 arranged on the feed inlet 17, a rack plate 23 fixed at the bottom of the receiving barrel 18 and a third gear 22 arranged on a rotating button of the butterfly valve 21, wherein the third gear 22 is matched with teeth on the rack plate 23.
It should be noted that the butterfly valve 21 is also called a flap valve, is a regulating valve with a simple structure, is an application in the prior art, and is not described in detail in the present application.
In the embodiment of the invention, when in use, the filter bucket 19 is inserted into the feed inlet 17, in the process, the rack plate 23 is matched with the third gear 22, so that the third gear 22 rotates, the butterfly valve 21 is opened, the feed inlet 17 is communicated, then materials can be input into the filter bucket 19, the filter bucket 19 filters out fine solid particles, the solid particles slide to the bottom outlet of the bearing cylinder 18 along the fixed disc 24, after use, the filter bucket 19 is removed, the third gear 22 rotates reversely, and the butterfly valve 21 is closed, so that foreign matters are prevented from entering the lining 5 when not in use.
Example four
The elastic buffer mechanism comprises four groups of telescopic structures arranged between the base 1 and the transverse plate 4 and an elastic sliding assembly which is arranged on the base 1 and connected with the bottom of the transverse plate 4;
the telescopic structure comprises a vertical plate 2 which is fixed on the side part of the base 1 and is vertical to the base 1, and a movable plate 3 which is fixed on the side part of the transverse plate 4;
the vertical plate 2 is arranged in a hollow manner and is sleeved with the movable plate 3 in a sliding manner;
the elastic sliding structure comprises two transverse shafts 13 fixed above the base 1, a sliding block 14 arranged on the transverse shafts 13 in a sliding manner, and a connecting plate 16 connecting the sliding block 14 with the bottom of the transverse plate 4;
two springs 15 are further sleeved on the transverse shaft 13, the tail ends of the springs 15 are connected with the sliding block 14, and two ends of the connecting plate 16 are respectively connected with the sliding block 14 and the bottom of the transverse plate 4 in a rotating mode.
In detail, two baffles are fixed on the upper part of the base 1, and the two transverse shafts 13 are fixed between the two baffles and are parallel to the base 1.
In the embodiment of the invention, in the working and running process of the twin-screw pump, when vibration is generated, the transverse plate 4 moves up and down in the vertical direction through the vertical plate 2 and the movable plate 3, the connecting plate 16 drives the sliding block 14 to slide on the transverse shaft 13, and the spring 15 buffers the movement, so that the effective damping effect is achieved, and the stability of the twin-screw pump in the running process is ensured
Taking an embodiment combining all the features described in the present application as an example, when in use, the filter hopper 19 is inserted into the feed port 17, in this process, the rack plate 23 is engaged with the third gear 22, so that the third gear 22 rotates, the butterfly valve 21 is opened, the feed port 17 is conducted, and then materials can be input into the filter hopper 19, the filter hopper 19 filters out fine solid particles therein, the driving motor 6 works, the driving shaft 7 and the driven shaft 8 rotate, the fluid is sucked into the cavity by the negative pressure generated inside the cavity and is output outwards through the discharge port 20, in the whole process, when vibration is generated, the transverse plate 4 moves up and down in the vertical direction through the vertical plate 2 and the movable plate 3, the connecting plate 16 drives the sliding block 14 to slide on the transverse shaft 13, and the spring 15 buffers the movement thereof.
When the corrosion-resistant wear-resistant double-screw pump is used, materials are input into a feed inlet of the lining, and fine solid particles in the materials are filtered by the particle intercepting mechanism, so that the problem that the friction force is increased in the fluid conveying process due to the fact that the solid particles enter the lining, and further parts in the lining or the lining are abraded is effectively solved, the service life of the pump is greatly prolonged, and the corrosion-resistant wear-resistant double-screw pump is suitable for popularization and use.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a wear-resisting type double screw pump of corrosion resistant, its characterized in that, wear-resisting type double screw pump of corrosion resistant includes base (1) and is in through the activity setting of elastic buffer mechanism diaphragm (4) of base (1) top still includes:
the lining (5) is fixed on the transverse plate (4), a feeding hole (17) and a discharging hole (20) which are used for inputting and outputting materials are formed in the lining (5), and a thread matching mechanism used for conveying the materials is installed in the lining (5);
the particle intercepting mechanism is arranged on the feeding hole (17) and is used for filtering the material input into the lining (5) so as to remove fine solid particles existing in the material.
2. A corrosion-resistant wear-resistant twin-screw pump according to claim 1, characterized in that said screw-fit mechanism comprises a driving shaft (7) and a driven shaft (8) rotatably mounted in said liner (5), a first screw sleeve (9) and a second screw sleeve (10) respectively fixed to said driving shaft (7) and said driven shaft (8);
the driving shaft (7) and the driven shaft (8) are further respectively fixed with a first gear (11) and a second gear (12), the first gear (11) is meshed with the second gear (12), and the tail end of the driving shaft (7) is further connected with an output end of a driving motor (6) installed on the upper portion of the transverse plate (4).
3. The corrosion-resistant wear-resistant twin-screw pump according to claim 1, wherein the particle intercepting mechanism includes a filtering-out component cooperating with the feed port (17) and for filtering fine fixed particles in the material, and an open-close control structure mounted on the filtering-out component for switching the open and close states of the feed port (17).
4. The corrosion and wear resistant twin screw pump according to claim 3 wherein said filtering out assembly comprises a hopper (19) disposed on said feed port (17) and a receiving cylinder (18) secured to said hopper (19) for collecting fine particulate material from the material;
the interior of the receiving cylinder (18) is also obliquely provided with a fixed disc (24).
5. The pump according to claim 4, wherein said opening and closing control structure comprises a butterfly valve (21) installed on said inlet port (17), a rack plate (23) fixed on the bottom of said receiving cylinder (18), and a third gear (22) installed on the knob of said butterfly valve (21), said third gear (22) being engaged with the teeth on said rack plate (23).
6. The corrosion-resistant wear-resistant twin-screw pump according to claim 1, characterized in that the elastic buffer mechanism comprises four groups of telescopic structures arranged between the base (1) and the transverse plate (4) and an elastic sliding assembly mounted on the base (1) and connected with the bottom of the transverse plate (4).
7. The corrosion-resistant, wear-resistant twin-screw pump according to claim 6, characterized in that said telescopic structure comprises a vertical plate (2) fixed on the side of said base (1) and perpendicular to said base (1), and a movable plate (3) fixed on the side of said transverse plate (4);
the interior of the vertical plate (2) is hollow and is in sliding sleeve fit with the movable plate (3).
8. The corrosion-resistant wear-resistant twin-screw pump according to claim 7, wherein the elastic sliding structure comprises two transverse shafts (13) fixed above the base (1), sliding blocks (14) arranged on the transverse shafts (13) in a sliding manner, and connecting plates (16) connecting the sliding blocks (14) with the bottoms of the transverse plates (4);
still overlap on the cross axle (13) and be equipped with two springs (15), the end of spring (15) with slider (14) are connected, the both ends of connecting plate (16) respectively with slider (14) with the bottom of diaphragm (4) is rotated and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111118939.4A CN113775520A (en) | 2021-09-24 | 2021-09-24 | Corrosion-resistant wear-resistant double-screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111118939.4A CN113775520A (en) | 2021-09-24 | 2021-09-24 | Corrosion-resistant wear-resistant double-screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113775520A true CN113775520A (en) | 2021-12-10 |
Family
ID=78853032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111118939.4A Pending CN113775520A (en) | 2021-09-24 | 2021-09-24 | Corrosion-resistant wear-resistant double-screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113775520A (en) |
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| CN211648456U (en) * | 2020-02-12 | 2020-10-09 | 东营市东营区东泊泵业有限公司 | Gas-liquid mixed conveying double-screw pump |
| CN111963804A (en) * | 2020-08-29 | 2020-11-20 | 新疆八一钢铁股份有限公司 | Pipe joint |
| CN213899283U (en) * | 2020-12-07 | 2021-08-06 | 江西恒威液压科技有限公司 | Wear-resistant damping screw pump |
-
2021
- 2021-09-24 CN CN202111118939.4A patent/CN113775520A/en active Pending
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| CN103693608A (en) * | 2012-09-27 | 2014-04-02 | 上海宝钢化工有限公司 | Funnel for collecting waste liquid and waste oil |
| CN106567933A (en) * | 2015-10-08 | 2017-04-19 | 新兴铸管新疆有限公司 | Automatic adjusting valve at constant air velocity |
| CN205555102U (en) * | 2016-02-02 | 2016-09-07 | 广州麦芽有限公司 | Electrical control flashboard |
| CN206093021U (en) * | 2016-10-13 | 2017-04-12 | 师宗东方红锌业有限公司 | Simple and easy material funnel valve |
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Application publication date: 20211210 |