CN106583962B - Kitchen ventilator centrifugal blower shell welding procedure - Google Patents
Kitchen ventilator centrifugal blower shell welding procedure Download PDFInfo
- Publication number
- CN106583962B CN106583962B CN201611142069.3A CN201611142069A CN106583962B CN 106583962 B CN106583962 B CN 106583962B CN 201611142069 A CN201611142069 A CN 201611142069A CN 106583962 B CN106583962 B CN 106583962B
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- coaming plate
- welding
- gradual change
- back shroud
- air outlet
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of kitchen ventilator centrifugal blower shell welding procedures, it is desirable to provide one kind is squeegeeed without batch putty, can effectively improve the welding procedure of production efficiency and the quality of production.The axis projection outer contour of centrifugal blower shell includes the outer straight section of straight section in the air outlet being sequentially connected, volute tongue section, coaming plate gradual change arc section and air outlet.Kitchen ventilator centrifugal blower shell welding procedure the following steps are included: A, coaming plate and forward and backward cover board first positioning process: front shroud and coaming plate are in air outlet by being located by connecting at the beginning of spot welding at straight section and/or volute tongue section；Back shroud and coaming plate are in air outlet by being located by connecting at the beginning of spot welding at straight section and/or volute tongue section；B, coaming plate gradual change circular arc ring roll welding process: front shroud and back shroud are connected at coaming plate gradual change arc section by roll welding with coaming plate；C, air outlet straight flange roll welding process: front shroud and back shroud are connected at straight section by roll welding outside air outlet with coaming plate.
Description
Technical field
The present invention relates to a kind of kitchen ventilator centrifugal blower shell manufacture crafts, and in particular to outside a kind of kitchen ventilator centrifugal blower
Shell welding procedure.
Background technique
The centrifugal blower shell that range hood class product uses at present is generally 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
The centrifugal blower shell that the mode of preceding this spot welding combines is on the one hand more demanding to the level of skill of worker, generally requires to point
The very artisan talent for being welded with 3 to five years working experiences can be on duty operation；On the other hand, since spot welding is discontinuous
Property welding, certain gap can be generated, need manually to carry out batch putty and squeegee not only to influence production efficiency, but also putty powder solvent
It is easy to cause workpiece to get rusty during drying, influences the implementation etc. of sequent surface treatment process.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings in the prior art and to provide one kind to squeegee without batch putty, can
Effectively improve the kitchen ventilator centrifugal blower shell welding procedure of production efficiency and the quality of production.
The technical scheme is that
A kind of kitchen ventilator centrifugal blower shell welding procedure, the axis projection outer contour of centrifugal blower shell include successively
The outer straight section of straight section, volute tongue section, coaming plate gradual change arc section and air outlet, kitchen ventilator centrifugal blower shell in connected air outlet
Welding procedure successively the following steps are included:
The first positioning process of A, coaming plate and forward and backward cover board:
Front shroud and coaming plate are in air outlet by being located by connecting at the beginning of spot welding at straight section and/or volute tongue section；Back shroud with
Coaming plate is in air outlet by being located by connecting at the beginning of spot welding at straight section and/or volute tongue section；
B, coaming plate gradual change circular arc ring roll welding process:
Front shroud and back shroud are connected at coaming plate gradual change arc section by roll welding with coaming plate；
C, air outlet straight flange roll welding process:
Front shroud and back shroud are connected at straight section by roll welding outside air outlet with coaming plate.
Preferably, further including coaming plate gradual change circular arc ring roll welding device, coaming plate gradual change circular arc ring roll welding device includes gradual change
It encloses profiling electrode and upper and lower two collar plate shape circular electrodes, gradual change circle profiling electrode includes the spacing top for positioning front shroud
Face limits side, limit top surface and limit for the limit bottom surface of positioning back shroud and between limit top surface and limit bottom surface
Position bottom surface is parallel, and limit side and limit top surface are perpendicular, and limit side includes in the contour projection on limit top surface
Lateral confinement corresponding with coaming plate gradual change arc section position supporting section；
In the step B: front shroud and back shroud are and coaming plate passes through the behaviour that roll welding connects at coaming plate gradual change arc section
Make the following steps are included:
Front shroud, back shroud and coaming plate are located on gradual change circle profiling electrode by B1, wherein front shroud, which overlays, to be limited
On top surface, back shroud is overlayed in limit bottom surface, and coaming plate overlays on limit side, and lateral confinement position supporting section and coaming plate gradual change circle
Segmental arc is corresponding；
Upper and lower two collar plate shape circular electrodes are resisted against on the lateral surface of coaming plate, the collar plate shape idler wheel being located above by B2
Electrode is corresponding with front shroud, and underlying collar plate shape circular electrode is corresponding with back shroud；
B3 is cooperated by gradual change circle profiling electrode and upper and lower two collar plate shape circular electrodes, is being enclosed to front shroud and coaming plate
Roll welding connection is carried out at plate gradual change arc section, and roll welding connection is carried out at coaming plate gradual change arc section to back shroud and coaming plate, and
Front shroud and coaming plate carried out at coaming plate gradual change arc section roll welding connection and back shroud and coaming plate at coaming plate gradual change arc section into
Row roll welding connection is synchronous to be carried out.
Preferably, further comprising the steps of after step C:
D: electric machine support pressure welding process:
Electric machine support is placed on back shroud by designated position, then, passes through pressure welding between electric machine support and back shroud
Connection；The electric machine support position connecting with back shroud pressure welding is equipped with the salient point towards back shroud protrusion.
Preferably, electric machine support tool there are three or four stent foots being connect with back shroud pressure welding, electric machine support pass through
Stent foot is connect 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 step:
E: air outlet connecting flange welding sequence:
Connecting flange is covered on the air outlet of centrifugal blower shell；Then, connecting flange and centrifugal blower shell go out
Air port is connected by pressure welding.
The beneficial effects of the present invention are: squeegeeing without batch putty, production efficiency and the quality of production can be effectively improved.
Detailed description of the invention
Fig. 1 is the axonometric drawing of centrifugal blower shell in the prior art.
Fig. 2 is the axis projection view of centrifugal blower shell in the prior art.
Fig. 3 is the top view of gradual change circle profiling electrode of the invention.
In figure: front shroud 1；Back shroud 2；Coaming plate 3；Electric machine support 4, stent foot 4.1；Connecting flange 5；Straight flange in air outlet
Section 6.1, volute 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 limits top surface 7.1, lateral confinement position supporting section 7.2.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing:
As shown in Figure 1 and Figure 2, a kind of kitchen ventilator centrifugal blower shell welding procedure, including centrifugal blower shell and coaming plate are gradually
It is rounded loop-drive roll welding device.Centrifugal blower shell includes front shroud 1, back shroud 2 and coaming plate 3.Back shroud is equipped with electric machine support
4.Connecting flange 5 is arranged on the air outlet of centrifugal blower shell.The axis projection outer contour of centrifugal blower shell include according to
The outer straight section 6.4 of straight section 6.1, volute tongue section 6.2, coaming plate gradual change arc section 6.3 and air outlet in secondary connected air outlet.
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
Take turns electrode.Gradual change circle profiling electrode includes for positioning the limit top surface 7.1 of front shroud, for the limit bottom surface of positioning back shroud
And side is limited between limit top surface and limit bottom surface.It is parallel with limit bottom surface to limit top surface.Limit side and limit
Top surface is perpendicular.It includes lateral confinement corresponding with coaming plate gradual change arc section that side, which is limited, in the contour projection on limit top surface
Position supporting section 7.2.Two collar plate shape idler wheel coaxial arrangements.The axis of collar plate shape idler wheel and limit top surface are perpendicular.
Kitchen ventilator centrifugal blower shell welding procedure successively the following steps are included:
The first positioning process of A, coaming plate and forward and backward cover board:
Front shroud and coaming plate are in air outlet by being located by connecting at the beginning of spot welding at straight section and/or volute tongue section；
Back shroud and coaming plate are in air outlet by being located by connecting at the beginning of spot welding at straight section and/or volute tongue section.
B, coaming plate gradual change circular arc ring roll welding process:
Front shroud and back shroud are connected at coaming plate gradual change arc section by roll welding with coaming plate.
Front shroud and back shroud are and coaming plate includes following step by the operation that roll welding connects at coaming plate gradual change arc section
It is rapid:
Front shroud, back shroud and coaming plate are located on gradual change circle profiling electrode by B1, wherein front shroud, which overlays, to be limited
On top surface, back shroud is overlayed in limit bottom surface, and coaming plate overlays on limit side, and lateral confinement position supporting section and coaming plate gradual change circle
Segmental arc is corresponding；
Upper and lower two collar plate shape circular electrodes are resisted against on the lateral surface of coaming plate, the collar plate shape idler wheel being located above by B2
Electrode is corresponding with front shroud, and underlying collar plate shape circular electrode is corresponding with back shroud；
B3 is cooperated by gradual change circle profiling electrode and upper and lower two collar plate shape circular electrodes, is being enclosed to front shroud and coaming plate
Roll welding connection is carried out at plate gradual change arc section, and roll welding connection is carried out at coaming plate gradual change arc section to back shroud and coaming plate, and
Front shroud and coaming plate carried out at coaming plate gradual change arc section roll welding connection and back shroud and coaming plate at coaming plate gradual change arc section into
Row roll welding connection is synchronous to be carried out.
C, air outlet straight flange roll welding process:
Front shroud and back shroud are connected at straight section by roll welding outside air outlet with coaming plate.
D: electric machine support pressure welding process:
Electric machine support is placed on back shroud by designated position, then, passes through pressure welding between electric machine support and back shroud
Connection.There are three electric machine support tools or four stent foots 4.1 connecting with back shroud pressure welding.Electric machine support is by stent foot with after
Cover board pressure welding connection, and the pressure welding synchronous with back shroud of each stent foot.The electric machine support position connecting with back shroud pressure welding is equipped with court
The salient point of the salient point of back shroud protrusion, the present embodiment is arranged on stent foot.
E: air outlet connecting flange welding sequence:
Connecting flange is covered on the air outlet of centrifugal blower shell；Then, connecting flange and centrifugal blower shell go out
Air port is 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 board and coaming plate in air outlet at straight section and/or volute tongue section by being located by connecting at the beginning of spot welding, step A spot welding part
Positioned inside edge (centrifugal blower shell in actual use, the centrifugal blower air outlet of casing of centrifugal blower air outlet of casing
Upward), and spot welding part it is shorter, thus step A spot welding part may not need batch putty and squeegee；And the coaming plate of remaining step B
The outer straight section of gradual change arc section and the air outlet of step C is all made of roll welding connection, and roll welding is that continuity rolls pressure welding, workpiece it is close
Envelope property is good, thus the welding of step B and step C is squeegeeed without batch putty, and there is no putty powder solvents to hold during drying
The problem of easily leading to workpiece to get rusty, influencing sequent surface treatment process, to propose the production efficiency of effective high centrifugal blower shell
With the quality of production.
On the other hand, (welding sequence of coaming plate gradual change arc section is entire to step B coaming plate gradual change circular arc ring roll welding process
Be most difficult in the welding of centrifugal blower shell operation and 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 upper cover, lower cover and the coaming plate just positioned through step A can be fixed on gradual change circle and imitated
On shape electrode, accurate positionin can be played the role of to front shroud, back shroud and coaming plate, make front shroud, back shroud and coaming plate fitting gradually
Become on circle profiling electrode, preventing upper cover, lower cover and coaming plate during roll welding, deformation occurs, while guaranteeing welding quality, pole
Big simplifies welding operation, reduces the level of skill requirement to worker.
Claims (5)
1. the axis projection outer contour of a kind of kitchen ventilator centrifugal blower shell welding procedure, centrifugal blower shell includes successively phase
The outer straight section of straight section, volute tongue section, coaming plate gradual change arc section and air outlet in air outlet even, characterized in that further include coaming plate
Gradual change circular arc ring roll welding device, coaming plate gradual change circular arc ring roll welding device include gradual change circle profiling electrode and the rolling of upper and lower two collar plate shapes
Take turns electrode, gradual change circle profiling electrode include for position front shroud limit top surface, for positioning back shroud limit bottom surface and
Side is limited between limit top surface and limit bottom surface, limit top surface is parallel with limit bottom surface, limits side and spacing top
Face is perpendicular, and limit side includes lateral confinement corresponding with coaming plate gradual change arc section position in the contour projection on limit top surface
Supporting section;
Kitchen ventilator centrifugal blower shell welding procedure successively the following steps are included:
The first positioning process of A, coaming plate and forward and backward cover board:
Front shroud and coaming plate are in air outlet by being located by connecting at the beginning of spot welding at straight section and/or volute tongue section；
Back shroud and coaming plate are in air outlet by being located by connecting at the beginning of spot welding at straight section and/or volute tongue section；
B, coaming plate gradual change circular arc ring roll welding process:
Front shroud and back shroud are connected at coaming plate gradual change arc section by roll welding with coaming plate；
C, air outlet straight flange roll welding process:
Front shroud and back shroud are connected at straight section by roll welding outside air outlet with coaming plate.
2. kitchen ventilator centrifugal blower shell welding procedure according to claim 1, characterized in that in the step B: front cover
Plate and back shroud and the operation that is connected at coaming plate gradual change arc section by roll welding of coaming plate the following steps are included:
Front shroud, back shroud and coaming plate are located on gradual change circle profiling electrode by B1, wherein front shroud is overlayed in limit top surface
On, back shroud overlays in limit bottom surface, and coaming plate overlays on limit side, and lateral confinement position supporting section and coaming plate gradual change arc section
It is corresponding；
Upper and lower two collar plate shape circular electrodes are resisted against on the lateral surface of coaming plate, the collar plate shape circular electrode being located above by B2
Corresponding with front shroud, underlying collar plate shape circular electrode is corresponding with back shroud；
B3 is cooperated by gradual change circle profiling electrode and upper and lower two collar plate shape circular electrodes, to front shroud and coaming plate coaming plate gradually
It is rounded progress roll welding connection at segmental arc, roll welding connection, and front cover are carried out at coaming plate gradual change arc section to back shroud and coaming plate
Plate and coaming plate carries out roll welding connection at coaming plate gradual change arc section and back shroud and coaming plate are rolled at coaming plate gradual change arc section
Weldering connection is synchronous to be carried out.
3. kitchen ventilator centrifugal blower shell welding procedure according to claim 1 or 2, characterized in that after the step C
It is further comprising the steps of:
D: electric machine support pressure welding process:
Electric machine support is placed on back shroud by designated position, then, is connected between electric machine support and back shroud by pressure welding；
The electric machine support position connecting with back shroud pressure welding is equipped with the salient point towards back shroud protrusion.
4. kitchen ventilator centrifugal blower shell welding procedure according to claim 3, characterized in that the electric machine support has
Three or four stent foots connecting with back shroud pressure welding, electric machine support are connect by stent foot with back shroud pressure welding, and each
The pressure welding synchronous with back shroud of frame foot.
5. kitchen ventilator centrifugal blower shell welding procedure according to claim 3, characterized in that after the D step also
The following steps are included:
E: air outlet connecting flange welding sequence:
Connecting flange is covered on the air outlet of centrifugal blower shell；Then, the air outlet of connecting flange and centrifugal blower shell
It is 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 |
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| CN106583962A CN106583962A (en) | 2017-04-26 |
| CN106583962B true CN106583962B (en) | 2018-12-07 |
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| CN201611142069.3A Active CN106583962B (en) | 2016-12-12 | 2016-12-12 | Kitchen ventilator centrifugal blower shell welding procedure |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108098116B (en) * | 2017-11-30 | 2020-10-27 | 贵州航天电子科技有限公司 | Rear cover assembly welding method |
| 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 |
| 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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| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8847098B2 (en) * | 2009-09-03 | 2014-09-30 | Thermal Structures, Inc. | Planetary resistance welding device and methods therefor |
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2016
- 2016-12-12 CN CN201611142069.3A patent/CN106583962B/en active Active
Patent Citations (7)
| 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 |
| 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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| CN106583962A (en) | 2017-04-26 |
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