CN106583962A - Welding process for centrifugal fan housing of range hood - Google Patents
Welding process for centrifugal fan housing of range hood Download PDFInfo
- Publication number
- CN106583962A CN106583962A CN201611142069.3A CN201611142069A CN106583962A CN 106583962 A CN106583962 A CN 106583962A CN 201611142069 A CN201611142069 A CN 201611142069A CN 106583962 A CN106583962 A CN 106583962A
- Authority
- CN
- China
- Prior art keywords
- coaming plate
- welding
- gradual change
- back shroud
- air outlet
- 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.)
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Classifications
-
- 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
- B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
-
- 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
Abstract
The invention discloses a welding process for a centrifugal fan housing of a range hood and aims to provide the welding process which does not need putty scraping for seam filling and can effectively improve the production efficiency and the production quality. The axial projection outer contour line of the centrifugal fan housing comprises an air outlet internal straight edge section, a worm tongue section, an encircling board gradient circular arc section and an air outlet external straight edge section. The welding process for the centrifugal fan housing of the range hood comprises the following steps: A, a preliminary positioning procedure of an encircling board, a front cover plate and a rear cover plate: the front cover plate and the encircling board are subjected to preliminary positioning connection at the air outlet internal straight edge section and/or the worm tongue section through spot welding, and the rear cover plate and the encircling board are subjected to preliminary positioning connection at the air outlet internal straight edge section and/or the worm tongue section through spot welding; B, a roll welding procedure of an encircling board gradient circular arc circle: the front cover plate and the rear cover plate are connected with the encircling board at the encircling board gradient circular arc section through roll welding; and C, an air outlet straight edge roll welding procedure: the front cover plate and the rear cover plate are connected with the encircling board at the air outlet external straight edge section through roll welding.
Description
Technical field
The present invention relates to a kind of lampblack absorber centrifugal blower shell processing technology, and in particular to outside a kind of lampblack absorber centrifugal blower
Shell welding procedure.
Background technology
The centrifugal blower shell that range hood class product is used at present is typically by the way of spot welding by centrifugal blower shell
Front shroud, back shroud and coaming plate be combined connection（Centrifugal blower shell generally comprises front shroud, back shroud and coaming plate）.Mesh
Level of skill requirement of the centrifugal blower shell that the mode of front this spot welding is combined on the one hand to workman is higher, generally requires to point
The very artisan people for being welded with 3 to five years working experiences could operation on duty；On the other hand, as spot welding is discontinuous
Property welding, certain gap can be produced, needed manually to carry out batch putty and being squeegeeed production efficiency of not only affect, and putty powder solvent
Workpiece is easily caused during drying to get rusty, and affects enforcement of sequent surface handling process etc..
The content of the invention
The invention aims to overcome the deficiencies in the prior art, there is provided a kind of putty of need not criticizing is squeegeeed, can
Effectively improve the lampblack absorber centrifugal blower shell welding procedure of production efficiency and the quality of production.
The technical scheme is that：
A kind of lampblack absorber centrifugal blower shell welding procedure, the axis projection outer contour of centrifugal blower shell include being sequentially connected
Air outlet in the outer straight section of straight section, snail tongue section, coaming plate gradual change arc section and air outlet, the welding of lampblack absorber centrifugal blower shell
Technique is comprised the following steps successively：
The first positioning process of A, coaming plate and forward and backward cover plate：
Front shroud and coaming plate are located by connecting at the beginning of by spot welding at straight section and/or snail tongue section in the air outlet；Back shroud and coaming plate
By being located by connecting at the beginning of spot welding at straight section and/or snail tongue section in the air outlet；
B, coaming plate gradual change circular arc ring roll welding operation：
Front shroud and back shroud are connected by roll welding at coaming plate gradual change arc section with coaming plate；
C, air outlet straight flange roll welding operation：
Front shroud and back shroud are connected by roll welding at the outer straight section of air outlet with coaming plate.
Preferably, also including coaming plate gradual change circular arc ring roll welding device, coaming plate gradual change circular arc ring roll welding device includes gradual change
Circle profiling electrode and upper and lower two collar plate shape circular electrodes, gradual change circle profiling electrode are included for positioning the spacing top of front shroud
Face, the limit bottom surface for positioning back shroud and spacing side between spacing top surface and limit bottom surface is located at, spacing top surface and limit
Position bottom surface is parallel, and spacing side is perpendicular with spacing top surface, and contour projection of the spacing side on spacing top surface includes
The lateral spacing position supporting section corresponding with coaming plate gradual change arc section；
In the step B：The operation bag that front shroud and back shroud are connected by roll welding at coaming plate gradual change arc section with coaming plate
Include following steps：
B1, front shroud, back shroud and coaming plate are positioned on gradual change circle profiling electrode, wherein, front shroud is overlayed in spacing top surface
On, back shroud is overlayed in limit bottom surface, and coaming plate is overlayed on spacing side, and lateral spacing position supporting section and coaming plate gradual change arc section
It is corresponding；
B2, upper and lower two collar plate shape circular electrodes is resisted against on the lateral surface of coaming plate, collar plate shape circular electrode above
Corresponding with front shroud, underlying collar plate shape circular electrode is corresponding with back shroud；
B3, is coordinated with upper and lower two collar plate shape circular electrodes by gradual change circle profiling electrode, to front shroud and coaming plate in coaming plate gradually
Become and roll welding connection is carried out at arc section, roll welding is carried out at coaming plate gradual change arc section with coaming plate to back shroud and is connected, and protecgulum
Plate carries out at coaming plate gradual change arc section with coaming plate that roll welding is connected and back shroud is rolled at coaming plate gradual change arc section with coaming plate
Weldering connection is synchronous to be carried out.
Preferably, further comprising the steps of after step C：
D：Electric machine support pressure welding operation：
Electric machine support is placed on back shroud by specified location, then, is connected by pressure welding between electric machine support and back shroud；
The electric machine support position being connected with back shroud pressure welding is provided with towards the raised salient point of back shroud.
Preferably, electric machine support has three or four stent foots being connected with back shroud pressure welding, electric machine support passes through
Stent foot is connected with back shroud pressure welding, and the pressure welding synchronous with back shroud of each stent foot.
Preferably, further comprising the steps of after D steps：
E：Air outlet adpting flange welding sequence：
Adpting flange is enclosed within the air outlet of centrifugal blower shell；Then, the air outlet of adpting flange and centrifugal blower shell
Connected by pressure welding.
The invention has the beneficial effects as follows：Putty need not be criticized to squeegee, production efficiency and the quality of production can be effectively improved.
Description of the drawings
Fig. 1 is the axonometric drawing of centrifugal blower shell of the prior art.
Fig. 2 is the axis projection view of centrifugal blower shell of the prior art.
Fig. 3 is the top view of the gradual change circle profiling electrode of the present invention.
In figure：Front shroud 1；Back shroud 2；Coaming plate 3；Electric machine support 4；Adpting flange 5；
Straight section 6.1 in air outlet, snail tongue section 6.2, coaming plate gradual change arc section 6.3, the outer straight section 6.4 of air outlet；
Gradual change circle profiling electrode 7, spacing top surface 7.1, lateral spacing position supporting section 7.2.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
As shown in Figure 1 and Figure 2, a kind of lampblack absorber centrifugal blower shell welding procedure, including centrifugal blower shell and coaming plate gradual change circle
Loop-drive roll welding device.Centrifugal blower shell includes front shroud 1, back shroud 2 and coaming plate 3.Back shroud is provided with electric machine support 4.From
Adpting flange 5 is arranged with the air outlet of heart blower housing.The axis projection outer contour of centrifugal blower shell includes phase successively
Straight section 6.1, snail tongue section 6.2, coaming plate gradual change arc section 6.3 and the outer straight section 6.4 of air outlet in air outlet even.
As shown in figure 3, coaming plate gradual change circular arc ring roll welding device includes gradual change circle profiling electrode 7 and the rolling of upper and lower two collar plate shapes
Wheel electrode.Gradual change circle profiling electrode is included for positioning the spacing top surface 7.1 of front shroud, for the limit bottom surface of positioning back shroud
And it is located at spacing side between spacing top surface and limit bottom surface.Spacing top surface is parallel with limit bottom surface.Spacing side with it is spacing
Top surface is perpendicular.Contour projection of the spacing side on spacing top surface includes the lateral spacing corresponding with coaming plate gradual change arc section
Position supporting section 7.2.Two collar plate shape rollers are coaxially disposed.The axis of collar plate shape roller is perpendicular with spacing top surface.
Lampblack absorber centrifugal blower shell welding procedure is comprised the following steps successively：
The first positioning process of A, coaming plate and forward and backward cover plate：
Front shroud and coaming plate are located by connecting at the beginning of by spot welding at straight section and/or snail tongue section in the air outlet；
Back shroud and coaming plate are located by connecting at the beginning of by spot welding at straight section and/or snail tongue section in the air outlet.
B, coaming plate gradual change circular arc ring roll welding operation：
Front shroud and back shroud are connected by roll welding at coaming plate gradual change arc section with coaming plate.
Front shroud and back shroud include following step by the operation that roll welding is connected with coaming plate at coaming plate gradual change arc section
Suddenly：
B1, front shroud, back shroud and coaming plate are positioned on gradual change circle profiling electrode, wherein, front shroud is overlayed in spacing top surface
On, back shroud is overlayed in limit bottom surface, and coaming plate is overlayed on spacing side, and lateral spacing position supporting section and coaming plate gradual change arc section
It is corresponding；
B2, upper and lower two collar plate shape circular electrodes is resisted against on the lateral surface of coaming plate, collar plate shape circular electrode above
Corresponding with front shroud, underlying collar plate shape circular electrode is corresponding with back shroud；
B3, is coordinated with upper and lower two collar plate shape circular electrodes by gradual change circle profiling electrode, to front shroud and coaming plate in coaming plate gradually
Become and roll welding connection is carried out at arc section, roll welding is carried out at coaming plate gradual change arc section with coaming plate to back shroud and is connected, and protecgulum
Plate carries out at coaming plate gradual change arc section with coaming plate that roll welding is connected and back shroud is rolled at coaming plate gradual change arc section with coaming plate
Weldering connection is synchronous to be carried out.
C, air outlet straight flange roll welding operation：
Front shroud and back shroud are connected by roll welding at the outer straight section of air outlet with coaming plate.
D：Electric machine support pressure welding operation：
Electric machine support is placed on back shroud by specified location, then, is connected by pressure welding between electric machine support and back shroud.
Electric machine support has three or four stent foots being connected with back shroud pressure welding.Electric machine support is by stent foot and back shroud pressure welding
Connection, and the pressure welding synchronous with back shroud of each stent foot.The electric machine support position being connected with back shroud pressure welding is provided with convex towards back shroud
The salient point for rising, the salient point of the present embodiment are arranged on stent foot.
E：Air outlet adpting flange welding sequence：
Adpting flange is enclosed within the air outlet of centrifugal blower shell；Then, the air outlet of adpting flange and centrifugal blower shell
Connected by pressure welding.
Pressure welding in the present embodiment refers to electric resistance welding.
In the present embodiment in the welding procedure of the front shroud of centrifugal blower shell, back shroud and coaming plate, only in step A
Forward and backward cover plate and coaming plate are located by connecting at the beginning of by spot welding at straight section and/or snail tongue section in the air outlet, step A spot welding part
Positioned at the inside edge of centrifugal blower air outlet of casing（Centrifugal blower shell when actually used, centrifugal blower air outlet of casing
Upward）, and spot welding part is shorter, thus step A spot welding part can batch putty squeegee；And the coaming plate of remaining step B
The outer straight section of the air outlet of gradual change arc section and step C is connected using roll welding, and roll welding is seriality rolling pressure welding, workpiece it is close
Envelope property is good, thus the welding of step B and step C is squeegeeed without criticizing putty, there is no putty powder solvent and holds during drying
It is easily caused workpiece to get rusty, affects the problem of sequent surface handling process, so as to puies forward the production efficiency of effective high centrifugal blower shell
With the quality of production.
On the other hand, step B coaming plate gradual change circular arc ring roll welding operation（The welding sequence of coaming plate gradual change arc section is whole
It is most difficult to what is operated in the welding of centrifugal blower shell, is also most important part）, the gradual change circle profiling electrode in the step not only may be used
Using the interior welding electrode as roll welding, while the upper lid, lower cover and the coaming plate that position at the beginning of Jing step As can be fixed on gradual change circle imitating
On shape electrode, the effect of being accurately positioned can be played to front shroud, back shroud and coaming plate, make front shroud, back shroud and coaming plate fit gradually
Become on circle profiling electrode, during preventing roll welding, upper lid, lower cover and coaming plate are deformed upon, while welding quality is ensured, pole
Big simplifies welding operation, reduces the level of skill to workman and requires.
Claims (5)
1. a kind of lampblack absorber centrifugal blower shell welding procedure, the axis projection outer contour of centrifugal blower shell include phase successively
In air outlet even, the outer straight section of straight section, snail tongue section, coaming plate gradual change arc section and air outlet, is characterized in that, lampblack absorber centrifugation
Blower housing welding procedure is comprised the following steps successively：
The first positioning process of A, coaming plate and forward and backward cover plate：
Front shroud and coaming plate are located by connecting at the beginning of by spot welding at straight section and/or snail tongue section in the air outlet；
Back shroud and coaming plate are located by connecting at the beginning of by spot welding at straight section and/or snail tongue section in the air outlet；
B, coaming plate gradual change circular arc ring roll welding operation：
Front shroud and back shroud are connected by roll welding at coaming plate gradual change arc section with coaming plate；
C, air outlet straight flange roll welding operation：
Front shroud and back shroud are connected by roll welding at the outer straight section of air outlet with coaming plate.
2. lampblack absorber centrifugal blower shell welding procedure according to claim 1, is characterized in that, also justify including coaming plate gradual change
Loop-drive roll welding device, coaming plate gradual change circular arc ring roll welding device include gradual change circle profiling electrode and upper and lower two collar plate shape rollers electricity
Pole, gradual change circle profiling electrode are included for positioning the spacing top surface of front shroud, the limit bottom surface for positioning back shroud and being located at
Spacing side between spacing top surface and limit bottom surface, spacing top surface are parallel with limit bottom surface, spacing side and spacing top surface phase
Vertically, contour projection of the spacing side on spacing top surface includes the side limited support corresponding with coaming plate gradual change arc section
Section；
In the step B：The operation bag that front shroud and back shroud are connected by roll welding at coaming plate gradual change arc section with coaming plate
Include following steps：
B1, front shroud, back shroud and coaming plate are positioned on gradual change circle profiling electrode, wherein, front shroud is overlayed in spacing top surface
On, back shroud is overlayed in limit bottom surface, and coaming plate is overlayed on spacing side, and lateral spacing position supporting section and coaming plate gradual change arc section
It is corresponding；
B2, upper and lower two collar plate shape circular electrodes is resisted against on the lateral surface of coaming plate, collar plate shape circular electrode above
Corresponding with front shroud, underlying collar plate shape circular electrode is corresponding with back shroud；
B3, is coordinated with upper and lower two collar plate shape circular electrodes by gradual change circle profiling electrode, to front shroud and coaming plate in coaming plate gradually
Become and roll welding connection is carried out at arc section, roll welding is carried out at coaming plate gradual change arc section with coaming plate to back shroud and is connected, and protecgulum
Plate carries out at coaming plate gradual change arc section with coaming plate that roll welding is connected and back shroud is rolled at coaming plate gradual change arc section with coaming plate
Weldering connection is synchronous to be carried out.
3. lampblack absorber centrifugal blower shell welding procedure according to claim 1 and 2, is characterized in that, after the step C
It is further comprising the steps of：
D：Electric machine support pressure welding operation：
Electric machine support is placed on back shroud by specified location, then, is connected by pressure welding between electric machine support and back shroud；
The electric machine support position being connected with back shroud pressure welding is provided with towards the raised salient point of back shroud.
4. lampblack absorber centrifugal blower shell welding procedure according to claim 3, is characterized in that, the electric machine support has
Three or four stent foots being connected with back shroud pressure welding, electric machine support are connected with back shroud pressure welding by stent foot, and each
The pressure welding synchronous with back shroud of frame foot.
5. lampblack absorber centrifugal blower shell welding procedure according to claim 3, is characterized in that, after the D steps also
Comprise the following steps：
E：Air outlet adpting flange welding sequence：
Adpting flange is enclosed within the air outlet of centrifugal blower shell；Then, the air outlet of adpting flange and centrifugal blower shell
Connected by pressure welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611142069.3A CN106583962B (en) | 2016-12-12 | 2016-12-12 | Kitchen ventilator centrifugal blower shell welding procedure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611142069.3A CN106583962B (en) | 2016-12-12 | 2016-12-12 | Kitchen ventilator centrifugal blower shell welding procedure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106583962A true CN106583962A (en) | 2017-04-26 |
| CN106583962B CN106583962B (en) | 2018-12-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611142069.3A Active CN106583962B (en) | 2016-12-12 | 2016-12-12 | Kitchen ventilator centrifugal blower shell welding procedure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106583962B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108098116A (en) * | 2017-11-30 | 2018-06-01 | 贵州航天电子科技有限公司 | A kind of rear case component welding method |
| CN108687479A (en) * | 2018-06-07 | 2018-10-23 | 浙江松科电器有限公司 | A kind of fixed-position welding device and its welding method for range hood fan shell |
| CN112620995A (en) * | 2020-12-07 | 2021-04-09 | 陕西广大重型机械有限公司 | Fan welding process |
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| US3585345A (en) * | 1969-04-02 | 1971-06-15 | Karl G Jespersen | Apparatus and method for welding |
| US4332998A (en) * | 1980-08-28 | 1982-06-01 | Rockwell International Corporation | Apparatus for welding automotive brake shoes |
| CN1348065A (en) * | 2001-10-28 | 2002-05-08 | 宁波方太厨具有限公司 | Blower volute structure of top-sucking kitchen ventilator |
| WO2011028333A1 (en) * | 2009-09-03 | 2011-03-10 | Thermal Structures, Inc. | Planetary resistance welding device and methods therefor |
| CN102242944A (en) * | 2011-07-04 | 2011-11-16 | 宁波方太厨具有限公司 | Static-suction-type range hood fan volute |
| CN202280660U (en) * | 2011-09-15 | 2012-06-20 | 美的集团有限公司 | Centrifugal fan volute of range hood |
| CN105057951A (en) * | 2015-08-10 | 2015-11-18 | 南车长江车辆有限公司 | Installing and welding device and method for curved surface cover board |
| CN105257598A (en) * | 2015-11-16 | 2016-01-20 | 上海林内有限公司 | Volute casing of fan with oblique ladder volute tongue |
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2016
- 2016-12-12 CN CN201611142069.3A patent/CN106583962B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3585345A (en) * | 1969-04-02 | 1971-06-15 | Karl G Jespersen | Apparatus and method for welding |
| US4332998A (en) * | 1980-08-28 | 1982-06-01 | Rockwell International Corporation | Apparatus for welding automotive brake shoes |
| CN1348065A (en) * | 2001-10-28 | 2002-05-08 | 宁波方太厨具有限公司 | Blower volute structure of top-sucking kitchen ventilator |
| WO2011028333A1 (en) * | 2009-09-03 | 2011-03-10 | Thermal Structures, Inc. | Planetary resistance welding device and methods therefor |
| CN102242944A (en) * | 2011-07-04 | 2011-11-16 | 宁波方太厨具有限公司 | Static-suction-type range hood fan volute |
| CN202280660U (en) * | 2011-09-15 | 2012-06-20 | 美的集团有限公司 | Centrifugal fan volute of range hood |
| CN105057951A (en) * | 2015-08-10 | 2015-11-18 | 南车长江车辆有限公司 | Installing and welding device and method for curved surface cover board |
| CN105257598A (en) * | 2015-11-16 | 2016-01-20 | 上海林内有限公司 | Volute casing of fan with oblique ladder volute tongue |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108098116A (en) * | 2017-11-30 | 2018-06-01 | 贵州航天电子科技有限公司 | A kind of rear case component welding method |
| CN108687479A (en) * | 2018-06-07 | 2018-10-23 | 浙江松科电器有限公司 | A kind of fixed-position welding device and its welding method for range hood fan shell |
| CN108687479B (en) * | 2018-06-07 | 2020-05-29 | 浙江松科电器有限公司 | Positioning welding device for fan shell of range hood and welding method thereof |
| CN112620995A (en) * | 2020-12-07 | 2021-04-09 | 陕西广大重型机械有限公司 | Fan welding process |
| CN112620995B (en) * | 2020-12-07 | 2022-07-12 | 陕西广大重型机械有限公司 | Fan welding process |
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| Publication number | Publication date |
|---|---|
| CN106583962B (en) | 2018-12-07 |
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