CN111350677A - Negative pressure system - Google Patents
Negative pressure system Download PDFInfo
- Publication number
- CN111350677A CN111350677A CN202010306595.9A CN202010306595A CN111350677A CN 111350677 A CN111350677 A CN 111350677A CN 202010306595 A CN202010306595 A CN 202010306595A CN 111350677 A CN111350677 A CN 111350677A
- Authority
- CN
- China
- Prior art keywords
- pressure fan
- blade
- pressure
- assembly
- yarn box
- 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.)
- Pending
Links
- 239000002699 waste material Substances 0.000 claims abstract description 37
- 238000003466 welding Methods 0.000 claims abstract description 22
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 6
- 238000005266 casting Methods 0.000 claims abstract description 5
- 230000007704 transition Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000004753 textile Substances 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
- F04D17/168—Pumps specially adapted to produce a vacuum
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H11/00—Arrangements for confining or removing dust, fly or the like
- D01H11/005—Arrangements for confining or removing dust, fly or the like with blowing and/or suction devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of textile machinery, in particular to a negative pressure system. In the prior art, the blades of the fan blade are short and narrow. The blower with large air quantity and large air pressure is large in volume, and the blower with small volume has small air quantity and small air pressure. A negative pressure system is characterized in that a high-pressure fan component is fixed inside a trolley welding frame, and an outlet of a waste yarn box component is connected with an inlet of the high-pressure fan component and fixed on the other side of the trolley welding frame. The high-pressure fan assembly comprises a three-phase asynchronous motor, a high-pressure fan blade is arranged on the three-phase asynchronous motor, the high-pressure fan blade comprises flanges at two sides and a blade in the middle, the blade is lengthened in width and height, each blade consists of two oblique sections, the two oblique sections are in arc transition, two ends of the blade respectively extend to the flanges and the middle fixed section, and all the blades are arranged in a turbine shape; the blades, the flanges and the middle fixing section are of an aluminum casting integrated structure. The blade is easier to suck air quantity, the blade is of an aluminum casting integrated structure, the rigidity is strong, the weight is light, and the high-pressure fan component is small in volume, large in air quantity and large in air pressure.
Description
Technical Field
The invention relates to the technical field of textile machinery, in particular to a negative pressure system.
Background
In an automatic mechanical device, negative pressure control actions are often used, for example, the automatic mechanical device uses negative pressure to adsorb or unload an object, fixes the object, or forms and maintains a vacuum environment, and the like, and the control or maintenance of the negative pressure is usually realized by controlling the closing of valves such as butterfly valves, ball valves, and the like on an air inlet or exhaust pipeline. In the prior art, the blades are generally riveted by thin steel sheets, and the blades of the fan blade are short and narrow. The blower with large air volume and large air pressure has huge volume and high noise, seriously influences the health of human body, and the blower with small volume has small air volume and air pressure. Are not suitable for automation equipment.
Disclosure of Invention
The invention aims to provide a negative pressure system with small volume, high pressure resistance, large air volume and low noise aiming at the defects of the prior art.
A negative pressure system comprises a trolley welding frame, a high-pressure fan assembly is fixed inside the trolley welding frame, and an outlet of a waste yarn box assembly is connected with an inlet of the high-pressure fan assembly and fixed on the other side of the trolley welding frame. The high-pressure fan component comprises a three-phase asynchronous motor, and a high-pressure fan blade gasket and a high-pressure fan blade are sleeved on a motor shaft of the three-phase asynchronous motor. The high-pressure fan blade comprises flanges at two sides and a blade in the middle, the blade is lengthened in width and height, each blade consists of two oblique sections, the two oblique sections are in arc transition, two ends of each blade respectively extend to the flanges and the middle fixed section, and all the blades are arranged in a turbine shape; in the whole high-pressure fan, the blades, the flanges at the two sides and the middle fixing section are of an aluminum casting integrated structure. The invention increases the width and height of the blade, increases the inclined section of the inner side of the blade, and ensures that the blade can more easily suck air quantity, and the blade is of an aluminum casting integrated structure, and has strong rigidity, light weight, small volume of a high-pressure fan component, large air quantity and large air pressure. Low noise and long service life.
As a further improvement and complement to the above solution, the present invention also includes the following additional technical features:
the high-pressure fan assembly also comprises a high-pressure impeller housing, wherein a high-pressure fan air inlet is fixed on the high-pressure impeller housing, one end of the high-pressure fan air inlet is sleeved in the flange, and the size of the high-pressure fan air inlet is smaller than the radial size between the two blades; the outlet end of the air inlet of the high-pressure fan is sleeved with a second PVC steel wire transparent hose. The air pressure of the air inlet of the high-pressure fan is increased along with the reduction of the air inlet or the reduction of the air quantity, so that the negative pressure at the tail end of the negative pressure pipeline is ensured, and the negative pressure extraction efficiency is improved. And the air quantity is ensured to only enter from the air inlet of the high-pressure fan and exit from the gap in the middle of the blade and not exit from the flanges at the two sides of the blade, and meanwhile, the air quantity at the outlet can be prevented from flowing backwards.
The waste yarn box component comprises a waste yarn box welding component, a waste yarn box door component with a lock and a PVC pipe component, and the PVC pipe component is directly fixed at the top of the waste yarn box welding component through a reducing pipe.
The inside filter screen that still is equipped with of yarn waste case welding subassembly, the filter screen filters the air medium that gets into yarn waste case subassembly from other pipelines of system, if impurity such as the yarn end that has, cotton dust has guaranteed clean medium.
The PVC pipe assembly is formed by connecting a plurality of PVC pipe straight pieces, a PVC pipe three-way joint and a first PVC steel wire transparent hose, and the PVC pipe three-way joint is sleeved with the PVC pipe straight piece at another outlet of the three-way joint. The negative pressure system has simple structure, good sealing performance in pipeline connection and high pipeline vacuum degree.
The invention can achieve the following beneficial effects:
1. the high-pressure fan assembly has small volume, large air quantity and large air pressure.
2. The air pressure of the air inlet of the high-pressure fan is increased along with the reduction of the air inlet or the reduction of the air quantity, so that the negative pressure at the tail end of the negative pressure pipeline is ensured, and the negative pressure extraction efficiency is improved.
3. High pressure resistance, low noise and long service life.
4. The waste yarn box is small in size, the filter screen is long and narrow, the waste yarn box is not easy to block, and the waste yarn box is convenient to clean.
5. The whole negative pressure system is simple in structure, good in sealing performance in pipeline connection and high in pipeline vacuum degree.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the construction of the waste yarn box assembly 2 of the present invention.
Fig. 3 is a schematic structural view of the high-pressure fan assembly 3 according to the present invention.
Fig. 4 is a schematic structural diagram of a high-pressure fan blade 302 according to the present invention.
Fig. 5 is a front view of a high pressure fan blade 302 according to the present invention.
Fig. 6 is a cross-sectional view of a high pressure fan blade 302 according to the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings.
As shown in fig. 1-6, the present invention is a negative pressure system.
The negative pressure system comprises a trolley welding frame 1, a high-pressure fan assembly 3 is fixed inside the trolley welding frame 1, and an outlet of a waste yarn box assembly 2 is connected with an inlet of the high-pressure fan assembly 3 and fixed on the other side of the trolley welding frame 1.
The high-pressure fan component 3 comprises a three-phase asynchronous motor 301, the three-phase asynchronous motor 301 is fixed on a high-pressure fan support 307, the high-pressure fan support 307 is fixed on a trolley welding frame 1, and a high-pressure fan blade gasket 306 and a high-pressure fan blade 302 are sleeved on a motor shaft of the three-phase asynchronous motor 301. The high-pressure fan blade 302 comprises two flanges 3021 at two sides and a middle blade 3022, the blade 3022 has an increased width and height, each blade 3022 is composed of two oblique sections, the two oblique sections are in arc transition, two ends of each blade extend to the flanges 3021 and the middle fixed section respectively, and all the blades 3022 are arranged in a turbine shape; in the whole high-pressure fan blade 302, the blade 3022, the flanges 3021 on both sides, and the middle fixing section are cast aluminum.
Further, the high-pressure fan assembly 3 further includes a high-pressure impeller housing 303, a high-pressure fan inlet 305 is fixed on the high-pressure impeller housing 303, one end of the high-pressure fan inlet 305 is sleeved in the flange 3021, that is, located in the corresponding blade 3022, and the size of the high-pressure fan inlet 305 is smaller than the radial size between the two blades 3022; the outlet end of the high pressure fan inlet 305 is sleeved with a second PVC steel wire transparent hose 308.
Further, the waste yarn box component 2 include waste yarn box welded component 201, waste yarn box door component 202 and PVC pipe subassembly 203 that take the lock, waste yarn box welded component 201 is formed by waste yarn box 2011, waste yarn box right branch foot 2012 and waste yarn box left branch foot 2013 welding, waste yarn box door 202 one side is fixed on waste yarn box welded component 201 through 2 hinges, the opposite side controls opening and shutting of waste yarn box door 202 through opening and shutting of lock. The second PVC steel wire transparent hose 308, the other outlet end is sleeved with the air outlet of the waste yarn box welding assembly 201 in the waste yarn box assembly 2. The top of the waste yarn box welding assembly 201 is fixed with a PVC pipe assembly 3 through a reducing straight-through 2031.
Further, a filter screen 204 is arranged inside the waste yarn box welding component 201.
Furthermore, the PVC pipe assembly 3 is formed by connecting a plurality of PVC pipe straight pieces 2032, a PVC pipe three-way joint 2033 and a first PVC steel wire transparent hose 2034, the PVC pipe three-way joint 2033 is sleeved with the PVC pipe straight piece 2032 at another outlet of the three-way joint, and the other end of the PVC pipe straight piece 2032 is connected with other pipelines of the system.
When the negative pressure system is used, the three-phase asynchronous motor 301 is normally opened, an air inlet is arranged in the axial direction, an air outlet is arranged in the radial direction, and the air inlet is communicated with the waste yarn box assembly 2 and is connected with other negative pressure pipelines of the system. The three-phase asynchronous motor 301 rotates to drive the high-voltage fan blade 302 to rotate at a high speed, and air in the inner cavity of the high-voltage fan blade 302 is thrown out of the air outlet, so that a negative pressure cavity is formed in the inner cavity of the high-voltage fan blade 302, air in the waste yarn box 2011 can be automatically extracted, and then the whole negative pressure pipeline is communicated to form a negative pressure system. The filter screen 204 in the waste yarn box assembly 2 filters the air medium (usually with yarn ends, cotton dust and other impurities) entering the waste yarn box assembly 2 from other pipelines of the system, so that the air medium is ensured to enter the inner cavity of the high-pressure fan blade 302 as an impurity-free clean medium, and workers only need to clean the yarn ends and the cotton dust regularly.
The above is the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and variations and modifications made by those skilled in the art according to the design concept of the present invention should be considered to be within the scope of the present invention.
Claims (5)
1. The utility model provides a negative pressure system, includes dolly welding jig (1), its characterized in that: the high-pressure fan assembly (3) is fixed inside the trolley welding frame (1), and the outlet of the waste yarn box assembly (2) is connected with the inlet of the high-pressure fan assembly (3) and fixed on the other side of the trolley welding frame (1); the high-pressure fan assembly (3) comprises a three-phase asynchronous motor (301), and a high-pressure fan blade gasket (306) and a high-pressure fan blade (302) are sleeved on a motor shaft of the three-phase asynchronous motor (301); the high-pressure fan blade (302) comprises flanges (3021) at two sides and blades (3022) in the middle, the blades (3022) have lengthened width and height, each blade (3022) consists of two oblique sections, the two oblique sections are in arc transition, two ends of each blade extend to the flanges (3021) and the middle fixed section respectively, and all the blades (3022) are arranged in a turbine shape; in the whole high-pressure fan blade (302), the blade (3022), the flanges (3021) at the two sides and the middle fixing section are of an aluminum casting integrated structure.
2. The negative pressure system of claim 1, wherein: the high-pressure fan assembly (3) further comprises a high-pressure impeller housing (303), a high-pressure fan air inlet (305) is fixed on the high-pressure impeller housing (303), one end of the high-pressure fan air inlet (305) is sleeved in the flange (3021), and the size of the high-pressure fan air inlet (305) is smaller than the radial size between the two blades (3022); the outlet end of the high pressure fan air inlet (305) is sleeved with a second PVC steel wire transparent hose (308).
3. The negative pressure system of claim 1, wherein: the waste yarn box assembly (2) comprises a waste yarn box welding assembly (201), a waste yarn box door assembly (202) with a lock and a PVC pipe assembly (203), and the top of the waste yarn box welding assembly (201) is fixed with the PVC pipe assembly (3) through a reducing straight-through pipe (2031).
4. The negative-pressure system of claim 3, wherein: a filter screen (204) is further arranged inside the waste yarn box welding component (201).
5. The negative-pressure system of claim 3, wherein: PVC pipe sub-assembly (3) connect through a plurality of PVC pipe straight-through pieces (2032), PVC pipe three way connection (2033) and first PVC steel wire transparent hose (2034) and constitute, PVC pipe three way connection (2033) have cup jointed PVC pipe straight-through piece (2032) at another export of three way connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010306595.9A CN111350677A (en) | 2020-04-17 | 2020-04-17 | Negative pressure system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010306595.9A CN111350677A (en) | 2020-04-17 | 2020-04-17 | Negative pressure system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111350677A true CN111350677A (en) | 2020-06-30 |
Family
ID=71193240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010306595.9A Pending CN111350677A (en) | 2020-04-17 | 2020-04-17 | Negative pressure system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111350677A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007192034A (en) * | 2006-01-17 | 2007-08-02 | Matsushita Electric Ind Co Ltd | Electric blower and vacuum cleaner using it |
| CN203977013U (en) * | 2014-08-05 | 2014-12-03 | 海宁市富利达纺织有限公司 | The air intake device that a kind of tight match network spins |
| CN104373379A (en) * | 2014-11-08 | 2015-02-25 | 江阴市精亚风机有限公司 | High-pressure high-efficiency process fan of long air spinning wheel |
| CN107429707A (en) * | 2015-06-03 | 2017-12-01 | 三星电子株式会社 | Turbine fan and the air-conditioning with turbine fan |
| CN208089596U (en) * | 2018-04-09 | 2018-11-13 | 南京海英机械有限公司 | A kind of mute centrifugal blower of big flow |
| CN208771109U (en) * | 2018-08-24 | 2019-04-23 | 金方圆无锡环境科技有限公司 | A kind of fabric dust processing and explosion-proof dust pelletizing system |
| CN110711484A (en) * | 2019-09-30 | 2020-01-21 | 广州紫科环保科技股份有限公司 | A clarification plant that is used for weaving printing factory sewage treatment back to discharge waste gas |
| CN212155200U (en) * | 2020-04-17 | 2020-12-15 | 浙江宝耀智能科技有限公司 | Negative pressure system |
-
2020
- 2020-04-17 CN CN202010306595.9A patent/CN111350677A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007192034A (en) * | 2006-01-17 | 2007-08-02 | Matsushita Electric Ind Co Ltd | Electric blower and vacuum cleaner using it |
| CN203977013U (en) * | 2014-08-05 | 2014-12-03 | 海宁市富利达纺织有限公司 | The air intake device that a kind of tight match network spins |
| CN104373379A (en) * | 2014-11-08 | 2015-02-25 | 江阴市精亚风机有限公司 | High-pressure high-efficiency process fan of long air spinning wheel |
| CN107429707A (en) * | 2015-06-03 | 2017-12-01 | 三星电子株式会社 | Turbine fan and the air-conditioning with turbine fan |
| CN208089596U (en) * | 2018-04-09 | 2018-11-13 | 南京海英机械有限公司 | A kind of mute centrifugal blower of big flow |
| CN208771109U (en) * | 2018-08-24 | 2019-04-23 | 金方圆无锡环境科技有限公司 | A kind of fabric dust processing and explosion-proof dust pelletizing system |
| CN110711484A (en) * | 2019-09-30 | 2020-01-21 | 广州紫科环保科技股份有限公司 | A clarification plant that is used for weaving printing factory sewage treatment back to discharge waste gas |
| CN212155200U (en) * | 2020-04-17 | 2020-12-15 | 浙江宝耀智能科技有限公司 | Negative pressure system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0497574B1 (en) | Fan case treatment | |
| CN205478443U (en) | Magnetic suspension high speed centrifugation air -blower | |
| CN105987018A (en) | Centrifugal fan with multiple groups of fan blades | |
| CN212155200U (en) | Negative pressure system | |
| CN110102135A (en) | A kind of electric automatization equipment dust-extraction unit | |
| CN108678877B (en) | Air pre-filter for engine and air filtering system | |
| CN111350677A (en) | Negative pressure system | |
| CN111219884B (en) | Anti-downdraft device of smoke exhaust pipe and gas water heater | |
| CN110821863A (en) | Self-radiating axial flow fan | |
| CN207401877U (en) | A kind of passage of central air conditioner cleaning dust collection equipment | |
| CN201301833Y (en) | Explosion-proof centrifugal cooling fan for oil-drilling motor | |
| CN217558562U (en) | Double-suction high-lift balance type even-level centrifugal pump | |
| CN216812310U (en) | Vacuum pump dust pelletizing system | |
| CN209510367U (en) | A kind of Tunnel Engineering has the curved tube axis stream air duct of ir-flow guide function | |
| CN207971164U (en) | A kind of electric automatization dust-extraction unit | |
| CN219222542U (en) | Air outlet cover and range hood with same | |
| CN214945198U (en) | Anti-surge control device of centrifugal compressor | |
| CN2343409Y (en) | Dust filtering fan | |
| CN216554510U (en) | Integral cantilever type locomotive dust removal ventilator | |
| CN110159558A (en) | Air intake device and kitchen ventilator | |
| CN214660513U (en) | Novel super-silent double-layer partition plate noise elimination air inlet device | |
| CN219953770U (en) | Mixed flow fan | |
| CN219119535U (en) | Ash removal mechanism of suspension centrifugal fan | |
| CN110159557A (en) | Blower and kitchen ventilator | |
| CN219274004U (en) | Laboratory self-adaptive variable air volume ventilation control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |