CN113426793A - Welding smoke and dust device that induced drafts based on air multiplication technique - Google Patents
Welding smoke and dust device that induced drafts based on air multiplication technique Download PDFInfo
- Publication number
- CN113426793A CN113426793A CN202110540166.2A CN202110540166A CN113426793A CN 113426793 A CN113426793 A CN 113426793A CN 202110540166 A CN202110540166 A CN 202110540166A CN 113426793 A CN113426793 A CN 113426793A
- Authority
- CN
- China
- Prior art keywords
- air
- driving structure
- airflow driving
- air duct
- motor
- 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
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- 239000000779 smoke Substances 0.000 title claims abstract description 17
- 239000000428 dust Substances 0.000 title claims abstract description 14
- 238000003466 welding Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims description 5
- 238000005516 engineering process Methods 0.000 claims abstract description 11
- 238000000605 extraction Methods 0.000 claims abstract description 10
- 238000004806 packaging method and process Methods 0.000 claims abstract description 10
- 239000003496 welding fume Substances 0.000 claims description 9
- 239000007789 gas Substances 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a welding smoke dust air suction device based on an air multiplication technology, which comprises an air cylinder communicated with a smoke dust extraction pipeline, wherein the air cylinder is connected with an airflow driving structure, and the interior of the air cylinder is communicated with the interior of the airflow driving structure; an annular structure baffle is arranged at the joint of the air duct and the airflow driving structure, and the annular structure baffle forms an annular gap so that airflow generated by the airflow driving structure enters the air duct from the annular gap; the airflow driving structure comprises a packaging shell, a base is fixed at the bottom of the packaging shell, a motor is fixed on the base, and fan blades are arranged on a rotating shaft of the motor. The smoke dust extractor is simple in structure and convenient to disassemble and assemble, and can effectively increase the extraction force of smoke dust.
Description
Technical Field
The invention relates to the field of welding fume treatment, in particular to a welding fume air suction device based on an air multiplication technology.
Background
Can produce a large amount of smoke and dust in the welding process, need bleed and purify the smoke and dust, nevertheless the dynamics of bleeding can lead to the smoke and dust loss for a short time, causes the influence to workman's health, needs a device that can increase the dynamics of bleeding.
The existing fan products based on the air multiplication technology in the market are all household products, and cannot be used as industrial production equipment taking profit as a main purpose due to the characteristics of high manufacturing cost, complex structure and the like. The device realizes the collection of welding smoke dust of a welding station in a welding factory by simplifying and partially optimizing the internal structure of the bladeless fan.
Disclosure of Invention
The invention aims to provide a welding fume suction device based on an air multiplication technology so as to increase the air extraction capacity of a fume extraction device.
In order to solve the technical problem, the invention provides a technical scheme that: a welding smoke dust suction device based on an air multiplication technology comprises an air cylinder communicated with a smoke dust extraction pipeline, wherein the air cylinder is connected with an airflow driving structure, and the interior of the air cylinder is communicated with the interior of the airflow driving structure;
an annular structure baffle is arranged at the joint of the air duct and the airflow driving structure, and the annular structure baffle forms an annular gap so that airflow generated by the airflow driving structure enters the air duct from the annular gap;
the airflow driving structure comprises a packaging shell, a base is fixed at the bottom of the packaging shell, a motor is fixed on the base, and fan blades are arranged on a rotating shaft of the motor.
According to the scheme, the baffle with the annular structure is in an Archimedes spiral line shape.
According to the scheme, the width of the annular gap is 0.95-1.05 mm.
According to the scheme, the motor is a brushless motor.
According to the scheme, the fan blades are double-layer fan blades.
According to the scheme, the packaging shell is a detachable shell.
The invention has the beneficial effects that: the air flow generated by the air flow driving structure enters the air duct through the annular gap, and due to the influence of the annular gap, the flow velocity of the air flow generated by the air flow driving structure is increased when the air flow enters the air duct, so that a low-pressure area is formed, the air quantity entering from the smoke extraction pipeline is increased, and the air extraction strength is further increased;
furthermore, the annular structure baffle is arranged to be in an Archimedes spiral line shape, so that the pneumatic layout of the device is improved;
furthermore, the arranged detachable packaging shell is beneficial to follow-up maintenance of the motor and the fan blades.
Drawings
FIG. 1 is a front view of an apparatus according to an embodiment of the present invention;
FIG. 2 is a side view of an apparatus according to an embodiment of the present invention;
FIG. 3 is a top view of an apparatus according to an embodiment of the present invention;
FIG. 4 is an isometric view of an apparatus according to an embodiment of the invention;
FIG. 5 is a cross-sectional view of an air duct according to an embodiment of the present invention;
fig. 6 is a schematic diagram of an air duct according to an embodiment of the present invention;
FIG. 7 is an elevational view of the electromechanical portion of one embodiment of the present invention;
FIG. 8 is a top view of the electromechanical portion of an embodiment of the present invention;
FIG. 9 is an isometric view of an electromechanical portion of one embodiment of the present invention;
in the figure: 1-air duct, 2-airflow driving structure, 101-annular structure baffle, 201-base, 202-motor, 203-fan.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.
Referring to fig. 1, 2, 3, 4, 5, 7, 8 and 9, a welding fume suction device based on an air multiplication technology comprises an air duct 1 communicated with a fume extraction pipeline, the air duct 1 is connected with an airflow driving structure 2, and the interior of the air duct 1 is communicated with the interior of the airflow driving structure 2;
an annular structure baffle 101 is arranged at the joint of the air duct 1 and the airflow driving structure 3, and the annular structure baffle 101 forms an annular gap so that the airflow generated by the airflow driving structure enters the air duct 1 from the annular gap;
the airflow driving structure 2 comprises an encapsulation shell, a base 201 is fixed at the bottom of the encapsulation shell, a motor 202 is fixed on the base 201, and fan blades 203 are arranged on a rotating shaft of the motor 202.
Further, the air duct 1 is provided with an installation interface matched with the smoke extraction pipeline, so that rapid butt joint installation can be performed.
Further, the annular structure baffle 101 is in the shape of an archimedes spiral to improve the aerodynamic layout of the device.
Further, the annular gap width is 1 mm.
Further, the motor 202 is a brushless motor.
Further, the fan blade 203 is a double-layer fan blade.
Further, the packaging shell is a detachable shell, so that the motor 202 and the fan blades 203 can be conveniently maintained.
Referring to fig. 6, the working principle of an embodiment of the present invention is as follows:
according to the continuity equation:
A0V0＝A1V1＝Qn
obtaining a velocity V at the nozzle1；
According to the law of conservation of momentum:
mpV1+0＝(mp+ms)Vp
obtaining a stable air velocity Vp；
By the formula
u＝Qs/Qn
Obtaining the flow ratio of the jet gas and the injection gas;
in the above formula, A0Is the cross-sectional area of the air cavity, V0Is the velocity of the gas in the air cavity, A1Is the area of the nozzle, V1Is the velocity at the nozzle, QPFor injecting gas flow, QSFor injecting gas flow, mPFor ejecting the mass of gas, mSFor injecting gas mass, VSSteady gas flow rate。
The flow ratio of the injected air to the injected air is 1:10, namely the total moving air quantity can reach 10 times of the active air input, and the wind speed can reach 35km/h (9.72 m/s). The device can be fine the collection of completion welding smoke and dust, and produce wind efficiency under with the power and greatly promote, and the equipment energy consumption is only 20% of axial flow fan.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The utility model provides a welding smoke and dust device of induced drafting based on air multiplication technique which characterized in that: the device comprises an air duct communicated with a smoke extraction pipeline, the air duct is connected with an airflow driving structure, and the interior of the air duct is communicated with the interior of the airflow driving structure;
an annular structure baffle is arranged at the joint of the air duct and the airflow driving structure, and the annular structure baffle forms an annular gap so that airflow generated by the airflow driving structure enters the air duct from the annular gap;
the airflow driving structure comprises a packaging shell, a base is fixed at the bottom of the packaging shell, a motor is fixed on the base, and fan blades are arranged on a rotating shaft of the motor.
2. The welding fume suction device based on the air multiplication technology as claimed in claim 1, characterized in that: the annular structure baffle is in an Archimedes spiral line shape.
3. The welding fume suction device based on the air multiplication technology as claimed in claim 1, characterized in that: the width of the annular gap is 0.95-1.05 mm.
4. The welding fume suction device based on the air multiplication technology as claimed in claim 1, characterized in that: the motor is a brushless motor.
5. The welding fume suction device based on the air multiplication technology as claimed in claim 1, characterized in that: the fan blades are double-layer fan blades.
6. The welding fume suction device based on the air multiplication technology as claimed in claim 1, characterized in that: the packaging shell is a detachable shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110540166.2A CN113426793A (en) | 2021-05-18 | 2021-05-18 | Welding smoke and dust device that induced drafts based on air multiplication technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110540166.2A CN113426793A (en) | 2021-05-18 | 2021-05-18 | Welding smoke and dust device that induced drafts based on air multiplication technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113426793A true CN113426793A (en) | 2021-09-24 |
Family
ID=77802670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110540166.2A Pending CN113426793A (en) | 2021-05-18 | 2021-05-18 | Welding smoke and dust device that induced drafts based on air multiplication technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113426793A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2324957Y (en) * | 1998-02-26 | 1999-06-23 | 倪祖根 | Improved structure of motor and fan for dust catcher |
| CN202146022U (en) * | 2011-07-29 | 2012-02-22 | 俞峰 | Circumfluence type hair dryer |
| CN102562683A (en) * | 2012-02-20 | 2012-07-11 | 魏建峰 | Electric fan without blades |
| CN107503958A (en) * | 2017-09-22 | 2017-12-22 | 杭州德意电器股份有限公司 | A kind of centrifugal blower fan system for range hood |
| JP2017227156A (en) * | 2016-06-22 | 2017-12-28 | 日立アプライアンス株式会社 | Electric blower and vacuum cleaner including the same |
| CN206881413U (en) * | 2017-04-20 | 2018-01-16 | 广东博兰迪科技有限公司 | A kind of oil mist collector |
| CN210867306U (en) * | 2019-12-03 | 2020-06-26 | 深圳市中驱电机有限公司 | Super high rotating speed wind motor |
| CN111804076A (en) * | 2020-06-29 | 2020-10-23 | 沙洋海威尔节能环保有限公司 | Industrial air purification dust collector |
| CN212055200U (en) * | 2020-04-01 | 2020-12-01 | 兰溪市新旺铝制品有限公司 | Bladeless fan with good circulation |
-
2021
- 2021-05-18 CN CN202110540166.2A patent/CN113426793A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2324957Y (en) * | 1998-02-26 | 1999-06-23 | 倪祖根 | Improved structure of motor and fan for dust catcher |
| CN202146022U (en) * | 2011-07-29 | 2012-02-22 | 俞峰 | Circumfluence type hair dryer |
| CN102562683A (en) * | 2012-02-20 | 2012-07-11 | 魏建峰 | Electric fan without blades |
| JP2017227156A (en) * | 2016-06-22 | 2017-12-28 | 日立アプライアンス株式会社 | Electric blower and vacuum cleaner including the same |
| CN206881413U (en) * | 2017-04-20 | 2018-01-16 | 广东博兰迪科技有限公司 | A kind of oil mist collector |
| CN107503958A (en) * | 2017-09-22 | 2017-12-22 | 杭州德意电器股份有限公司 | A kind of centrifugal blower fan system for range hood |
| CN210867306U (en) * | 2019-12-03 | 2020-06-26 | 深圳市中驱电机有限公司 | Super high rotating speed wind motor |
| CN212055200U (en) * | 2020-04-01 | 2020-12-01 | 兰溪市新旺铝制品有限公司 | Bladeless fan with good circulation |
| CN111804076A (en) * | 2020-06-29 | 2020-10-23 | 沙洋海威尔节能环保有限公司 | Industrial air purification dust collector |
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