CN107642501A - To impeller and its self-positioning welding fabrication technique after centrifugal fan - Google Patents

To impeller and its self-positioning welding fabrication technique after centrifugal fan Download PDF

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Publication number
CN107642501A
CN107642501A CN201710868498.7A CN201710868498A CN107642501A CN 107642501 A CN107642501 A CN 107642501A CN 201710868498 A CN201710868498 A CN 201710868498A CN 107642501 A CN107642501 A CN 107642501A
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CN
China
Prior art keywords
wind wheel
wheel blade
mid
game
impeller
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Pending
Application number
CN201710868498.7A
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Chinese (zh)
Inventor
孙艳玲
张崇文
李学虎
杨立志
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Meiling Meilida Fans Co Ltd
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Shandong Meiling Meilida Fans Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shandong Meiling Meilida Fans Co Ltd filed Critical Shandong Meiling Meilida Fans Co Ltd
Priority to CN201710868498.7A priority Critical patent/CN107642501A/en
Publication of CN107642501A publication Critical patent/CN107642501A/en
Pending legal-status Critical Current

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Abstract

The present invention relates to, to impeller and its self-positioning welding fabrication technique, belong to centrifugal fan machining technology field after a kind of centrifugal fan.To the self-positioning welding fabrication technique of impeller after described centrifugal fan, comprise the following steps:(1) blanking;(2) to the face of impeller first after grafting;(3) the backward face of impeller first is welded;(4) to the face of impeller second after grafting;(5) the backward face of impeller second is welded:Second wind wheel blade and mid-game are welded, the second wind wheel blade and the second side disk are welded.This invention simplifies process, reduces labor strength, improves production efficiency.

Description

To impeller and its self-positioning welding fabrication technique after centrifugal fan
Technical field
The present invention relates to, to impeller and its self-positioning welding fabrication technique, belong to centrifugal fan after a kind of centrifugal fan Machining technology field.
Background technology
Ventilation blower product, it is the industrial ventilation equipment having a large capacity and a wide range.At present, backward centrifugal fan product has kind It is more, efficiency high, the characteristics of pressure is high.Impeller is the cardiac component of backward centrifugal fan, and at present, impeller manufacture craft is numerous and diverse, Need to use weld mold auxiliary positioning, after the completion of welding, then dismantle weld mold.
The making of impeller, weld mold include positioning disk, and positioning disk is provided with locating slot, mid-game first is placed on into welding mould On the positioning disk of tool, then the blade of circular arc gradually inserted in locating slot, then side disk is placed on the blade being plugged, then Put positioning disk well compression, the good blade of blade locator card card and positioning disk;Check it is errorless after, successively with the mode of welding by blade It is welded and fixed with mid-game and side disk, after the completion of welding, positioning disk and blade locator card is unloaded successively, afterwards turn over mid-game, Second half of above step rivet welding impeller is pressed again.This technological operation is very numerous and diverse, and labor strength is very big, and production efficiency is very Low, moreover, every kind of different draught fan impeller needs to use different weld molds, cost is very high.
The content of the invention
It is an object of the invention to provide, to the self-positioning welding fabrication technique of impeller, simplify work after a kind of centrifugal fan Sequence, labor strength is reduced, improve production efficiency.
To the self-positioning welding fabrication technique of impeller after centrifugal fan of the present invention, comprise the following steps:
(1) blanking:Laser cutting machine blanking obtains the first wind wheel blade and the second wind wheel blade, the first wind wheel blade and second The first locating detent and the second locating detent are equipped with wind wheel blade;
Laser cutting machine blanking obtains mid-game, and mid-game is provided with mid-game locating slot, and mid-game locating slot is mutually fitted with the second locating detent It should set;
Laser cutting machine blanking obtain first in disk and second disk, first is equipped with disk positioning in side in disk and second on disk Groove, side disk locating slot and the first locating detent, which are adapted, to be set;
(2) to the face of impeller first after grafting:First wind wheel blade first end is provided with mid-game, and first the second end of wind wheel blade is set There is the first side disk, the second locating detent of the first wind wheel blade is inserted in mid-game locating slot, the first locating detent of the first wind wheel blade Insert first while disk while disk locating slot in;
(3) the backward face of impeller first is welded:First wind wheel blade and mid-game are welded, by the first wind wheel blade and the first side Disk welds;
(4) to the face of impeller second after grafting:Mid-game another side is provided with the second wind wheel blade, and the second wind wheel blade other end is set There is the second side disk, the second locating detent of the second wind wheel blade is inserted in mid-game locating slot, the first locating detent of the second wind wheel blade Insert second while disk while disk locating slot in;
(5) the backward face of impeller second is welded:Second wind wheel blade and mid-game are welded, by the second wind wheel blade and the second side Disk welds.
First wind wheel blade and the second wind wheel blade carry the first locating detent and the second locating detent, can directly with mid-game, The first disk grafting positioning in disk and second, it is not necessary to additionally mounted and dismounting weld mold, substantially increase production effect Rate, labor strength is reduced, simplify positioning action, also reduced manual operation error possibility, further increase Product quality.
It is further preferred that also include riveting the backward face of impeller first between step (2) and step (3).
It is further preferred that in step (3), the first wind wheel blade uses spot welding with mid-game;First wind wheel blade and first While weldering of making an inventory.
It is further preferred that also include riveting the backward face of impeller second between step (4) and step (5).
It is further preferred that in step (5), the second wind wheel blade uses spot welding with mid-game;Second wind wheel blade and second While weldering of making an inventory.
It is further preferred that after step (5), in addition to welding procedure, the first wind wheel blade and mid-game and the first side Disk junction is intermittently welded or full weld;Second wind wheel blade and mid-game and the second side disk junction is intermittently welded or full weld.Increase Strong weld intensity, improve product quality.
It is further preferred that the first wind wheel blade and the second wind wheel blade arranged direction are inconsistent.
Compared with prior art, the beneficial effects of the invention are as follows:
To the self-positioning welding fabrication technique of impeller after centrifugal fan provided by the present invention, by setting the first positioning Pawl, mid-game locating slot, the second locating detent and side disk locating slot, realize the first side disk, the first wind wheel blade, mid-game, the second wind wheel Blade and the second side disk grafting positioning, it is not necessary to positioned using weld mold, the process for saving installation and removal weld mold, weldering Technique simplification is connect, it is simple to operate, labor strength is reduced, production efficiency improves, and positioning is more accurate, and product quality also carries Gao Liao.
It is a further object of the present invention to provide, to impeller, Product jointing positioning precision is high, product after a kind of centrifugal fan Quality is good.
To impeller, including mid-game after centrifugal fan of the present invention, mid-game locating slot, mid-game both sides are opened up in mid-game Provided with wind wheel blade, corresponding mid-game locating slot, wind wheel blade is provided with the second locating detent, and the second locating detent is caught in mid-game positioning Groove, wind wheel blade is with mid-game by being welded to connect;Side disk is provided with the outside of wind wheel blade, the disk locating slot when being opened up on disk is corresponding Side disk locating slot, wind wheel blade are provided with the first locating detent, and the first locating detent is caught in side disk locating slot, and wind wheel blade leads to side disk Cross and be welded to connect.
Wind direction impeller carries corresponding location structure with mid-game and side disk, and it is fixed that the first locating detent coordinates with side disk locating slot Position, the second locating detent coordinates with mid-game locating slot to be positioned, and can be accurately positioned in welding, be improved production efficiency, improve production Quality.
It is further preferred that mid-game locating slot, at least provided with 2, the second locating detent corresponds to the setting of mid-game locating slot.
It is further preferred that side disk locating slot, at least provided with 2, the first locating detent corresponding sides disk locating slot is set.
Compared with prior art, the beneficial effects of the invention are as follows:
To impeller after centrifugal fan provided by the present invention, by setting the first locating detent, the second locating detent, mid-game fixed Position groove and side disk locating slot, wind wheel blade, mid-game and side disk grafting positioning are realized, simple to operate, positioning precision is high, Gong Renlao Fatigue resistance the, production efficiency is high, and product quality improves.
Brief description of the drawings
Fig. 1 be the present invention a kind of centrifugal fan provided after to impeller an embodiment front view structure illustrate Figure,
Fig. 2 be the present invention a kind of centrifugal fan provided after to impeller an embodiment plan structure illustrate Figure,
Fig. 3 be the present invention a kind of centrifugal fan provided after into an embodiment of impeller wind wheel blade main view Structural representation,
Fig. 4 be the present invention a kind of centrifugal fan provided after into an embodiment of impeller wind wheel blade vertical view Structural representation,
Fig. 5 be the present invention a kind of centrifugal fan provided after into an embodiment of impeller mid-game front view structure Schematic diagram,
Fig. 6 be the present invention a kind of centrifugal fan provided after into an embodiment of impeller mid-game plan structure Schematic diagram,
Fig. 7 be the present invention a kind of centrifugal fan provided after into an embodiment of impeller side disk front view structure Schematic diagram,
Fig. 8 be the present invention a kind of centrifugal fan provided after into an embodiment of impeller side disk plan structure Schematic diagram.
In figure:1st, first in disk 2, the first wind wheel blade 3, mid-game 4, the second wind wheel blade 5, second disk;
1.1st, side disk locating slot;
2.1st, the first locating detent 2.2, the second locating detent;
3.1st, mid-game locating slot.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.
Embodiment one
As shown in Fig. 1~Fig. 8, to the self-positioning welding fabrication technique of impeller after centrifugal fan of the present invention, including Following steps:
(1) blanking:Laser cutting machine blanking obtains the first wind wheel blade 2 and the second wind wheel blade 4, the He of the first wind wheel blade 2 The first locating detent 2.1 and the second locating detent 2.2 are equipped with second wind wheel blade 4;
Laser cutting machine blanking obtains mid-game 3, and mid-game 3 is provided with mid-game locating slot 3.1, and mid-game locating slot 3.1 and second is fixed Position pawl 2.2, which is adapted, to be set;Mid-game locating slot 3.1 can need relative set to fit with the second locating detent 2.2 according to actual location Work as quantity;
Laser cutting machine blanking obtain first at disk 1 and second disk 5, first is equipped with side disk at disk 1 and second on disk 5 Locating slot 1.1, side disk locating slot 1.1 and the first locating detent 2.1, which are adapted, to be set;Side disk locating slot 1.1 and the first locating detent 2.1 Relative set right quantity can be needed according to actual location;
(2) to the face of impeller first after grafting:The first end of first wind wheel blade 2 is provided with mid-game 3, the first wind wheel blade 2 second End is provided with the first side disk 1, and the second locating detent 2.2 of the first wind wheel blade 2 is inserted in mid-game locating slot 3.1, the first wind wheel blade 2 The first locating detent 2.1 insertion first while disk 1 while disk locating slot 1.1 in;
(3) the backward face of impeller first is welded:First wind wheel blade 2 is welded with mid-game 3, by the first wind wheel blade 2 and One side disk 1 welds;
(4) to the face of impeller second after grafting:The another side of mid-game 3 is provided with the second wind wheel blade 4, and the second wind wheel blade 4 is another End is provided with the second side disk 5, and the second locating detent 2.2 of the second wind wheel blade 4 is inserted in mid-game locating slot 3.1, the second wind wheel blade 4 The first locating detent 2.1 insertion second while disk 5 while disk locating slot 1.1 in;
(5) the backward face of impeller second is welded:Second wind wheel blade 4 is welded with mid-game 3, by the second wind wheel blade 4 and Two side disks 5 weld.
Embodiment two
Also include riveting the backward face of impeller first as shown in Fig. 1~Fig. 8, between step (2) and step (3).Remaining is the same as real Apply example one.
Embodiment three
As shown in Fig. 1~Fig. 8, in step (3), the first wind wheel blade 2 uses spot welding with mid-game 3;First wind wheel blade 2 with The spot welding of first side disk 1.Remaining is the same as embodiment two.
Example IV
Also include riveting the backward face of impeller second as shown in Fig. 1~Fig. 8, between step (4) and step (5).Remaining is the same as real Apply example three.
Embodiment five
As shown in Fig. 1~Fig. 8, in step (5), the second wind wheel blade 4 uses spot welding with mid-game 3;Second wind wheel blade 4 with The spot welding of second side disk 5.Remaining same example IV.
Embodiment six
As shown in Fig. 1~Fig. 8, after step (5), in addition to welding procedure, the first wind wheel blade 2 and mid-game 3 and the The junction of one side disk 1 is intermittently welded or full weld;Second wind wheel blade 4 be intermittently welded with the junction of 3 and second side disk of mid-game 5 or Full weld.Remaining is the same as embodiment five.
Embodiment seven
As shown in Fig. 1~Fig. 8, the first wind wheel blade 2 and the arranged direction of the second wind wheel blade 4 are inconsistent.Remaining is the same as implementation Example six.
Ventilation blower product, it is the industrial ventilation equipment having a large capacity and a wide range.At present, backward centrifugal fan product has kind It is more, efficiency high, the characteristics of pressure is high.Impeller is the cardiac component of backward centrifugal fan, and at present, impeller manufacture craft is numerous and diverse, Need to use weld mold auxiliary positioning, after the completion of welding, then dismantle weld mold.
This welding procedure, trivial operations are heavy, and labor strength is very big, and dismounting weld mold just needs to expend greatly The time is measured, does not have any help to product quality and production efficiency.Using laser cutting machine blanking, workpiece size is more accurate, Wind wheel blade from centrifugal fan to impeller, mid-game 3, side disk after add self-positioning design, realize product in welding procedure It is self-positioning, positioning precision is improved, improves product quality, also eliminates the complicated work for needing weld mold auxiliary positioning to bring Sequence, operation is enormously simplify, improves production efficiency, reduces labor strength.Moreover, assembling product is simple, operation side Just, mould input cost has been saved, successful example is provided for follow-up new product development.
Embodiment eight
As shown in Fig. 1~Fig. 8, to impeller, including mid-game 3 after centrifugal fan of the present invention, in being opened up in mid-game 3 Disk locating slot 3.1, the both sides of mid-game 3 are provided with wind wheel blade, and corresponding mid-game locating slot 3.1, wind wheel blade is provided with the second locating detent 2.2, the second locating detent 2.2 is caught in mid-game locating slot 3.1, and wind wheel blade is with mid-game 3 by being welded to connect;Set on the outside of wind wheel blade There is side disk, the disk locating slot 1.1 when being opened up on disk, corresponding sides disk locating slot 1.1, wind wheel blade is provided with the first locating detent 2.1, First locating detent 2.1 is caught in side disk locating slot 1.1, and wind wheel blade is with side disk by being welded to connect.Wind wheel blade includes the first wind The wind wheel blade 4 of impeller blade 2 and second, the side disk 5 of disk 1 and second, the first wind wheel blade 2 and the second wind wheel leaf when disk includes first Piece 4 is respectively arranged on the both sides of mid-game 3, and the outside of the first wind wheel blade 2 is provided with the first side disk 1, and the outside of the second wind wheel blade 4 is provided with second Side disk 5.During welding, the second locating detent 2.2 of the first wind wheel blade 2 is caught in the mid-game locating slot 3.1 of mid-game 3;First wind wheel leaf First locating detent 2.1 of piece 2 be caught in first while disk 1 while disk locating slot 1.1 in;By the first wind wheel blade 2 and mid-game 3 and the One side disk 1 welds, and after the completion of welding, upset, mid-game 3 is upward, and the second locating detent 2.2 of the second wind wheel blade 4, which is caught in mid-game, to be determined In the groove 3.1 of position, the first locating detent 2.1 of the second wind wheel blade 4 be caught in second while disk 5 while disk locating slot 1.1 in, by the second wind Impeller blade 4 is welded with the side disk 5 of mid-game 3 and second, and welding is completed, and obtains product, to impeller after centrifugal fan.
Embodiment nine
As shown in Fig. 1~Fig. 8, mid-game locating slot 3.1 is at least provided with 2,2.2 corresponding mid-game locating slot of the second locating detent 3.1 set.The locating detent 2.2 of mid-game locating slot 3.1 and second can need to set right quantity according to actual location.Remaining is the same as real Apply example eight.
Embodiment ten
As shown in Fig. 1~Fig. 8, side disk locating slot 1.1 is at least provided with 2, the corresponding sides disk locating slot of the first locating detent 2.1 1.1 set.Side disk locating slot 1.1 and the first locating detent 2.1 can need to set right quantity according to actual location.Remaining is the same as real Apply example nine.
Embodiment one to embodiment seven can be made after centrifugal fan to impeller, to the specific of impeller after centrifugal fan Structure can be embodiment eight into embodiment ten any one.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
To the direction of structure and the description of relative position relation in the present invention, such as upper and lower description all around, not structure Into limitation of the present invention, only for convenience of description.

Claims (10)

1. to the self-positioning welding fabrication technique of impeller after a kind of centrifugal fan, it is characterised in that comprise the following steps:
(1) blanking:Laser cutting machine blanking obtains the first wind wheel blade (2) and the second wind wheel blade (4), the first wind wheel blade (2) With the first locating detent (2.1) and the second locating detent (2.2) are equipped with the second wind wheel blade (4);
Laser cutting machine blanking obtains mid-game (3), and mid-game (3) is provided with mid-game locating slot (3.1), mid-game locating slot (3.1) and the Two locating detents (2.2), which are adapted, to be set;
Laser cutting machine blanking obtain first in disk (1) and second disk (5), first is equipped with disk (1) and second on disk (5) Side disk locating slot (1.1), side disk locating slot (1.1) are adapted with the first locating detent (2.1) and set;
(2) to the face of impeller first after grafting:First wind wheel blade (2) first end is provided with mid-game (3), the first wind wheel blade (4) Two ends are provided with the first side disk (1), and the second locating detent (2.2) of the first wind wheel blade (2) is inserted in mid-game locating slot (3.1), the The first locating detent (2.1) insertion first of one wind wheel blade (2) while disk (1) while disk locating slot (1.1) in;
(3) the backward face of impeller first is welded:First wind wheel blade (2) and mid-game (3) are welded, by the first wind wheel blade (2) with First side disk (1) welds;
(4) to the face of impeller second after grafting:Mid-game (3) another side is provided with the second wind wheel blade (4), and the second wind wheel blade (4) is another One end is provided with the second side disk (5), and the second locating detent (2.2) insertion mid-game locating slot (3.1) of the second wind wheel blade (4) is interior, the The first locating detent (2.1) insertion second of two wind wheel blades (4) while disk (5) while disk locating slot (1.1) in;
(5) the backward face of impeller second is welded:Second wind wheel blade (4) and mid-game (3) are welded, by the second wind wheel blade (4) with Second side disk (5) welds.
2. to the self-positioning welding fabrication technique of impeller after centrifugal fan according to claim 1, it is characterised in that step (2) also include riveting the backward face of impeller first between step (3).
3. to the self-positioning welding fabrication technique of impeller after centrifugal fan according to claim 2, it is characterised in that step (3) in, the first wind wheel blade (2) uses spot welding with mid-game (3);First wind wheel blade (2) and first side disk (1) spot welding.
4. to the self-positioning welding fabrication technique of impeller after centrifugal fan according to claim 1, it is characterised in that step (4) also include riveting the backward face of impeller second between step (5).
5. to the self-positioning welding fabrication technique of impeller after centrifugal fan according to claim 4, it is characterised in that step (5) in, the second wind wheel blade (4) uses spot welding with mid-game (3);Second wind wheel blade (4) and second side disk (5) spot welding.
6. to the self-positioning welding fabrication technique of impeller, its feature after the centrifugal fan according to claim any one of 1-5 It is, after step (5), in addition to welding procedure, the first wind wheel blade (2) and mid-game (3) and first side disk (1) junction It is intermittently welded or full weld;Second wind wheel blade (4) and mid-game (3) and second side disk (5) junction is intermittently welded or full weld.
7. to the self-positioning welding fabrication technique of impeller, its feature after the centrifugal fan according to claim any one of 1-5 It is, the first wind wheel blade (2) and the second wind wheel blade (4) arranged direction are inconsistent.
8. to impeller after a kind of centrifugal fan, it is characterised in that including mid-game (3), mid-game opens up mid-game locating slot on (3) (3.1), mid-game (3) both sides are provided with wind wheel blade, corresponding mid-game locating slot (3.1), and wind wheel blade is provided with the second locating detent (2.2), the second locating detent (2.2) is caught in mid-game locating slot (3.1), and wind wheel blade is with mid-game (3) by being welded to connect;Wind wheel leaf Be provided with side disk on the outside of piece, disk locating slot (1.1) when being opened up on disk, corresponding sides disk locating slot (1.1), wind wheel blade is provided with the One locating detent (2.1), the first locating detent (2.1) are caught in side disk locating slot (1.1), and wind wheel blade is with side disk by being welded to connect.
9. to impeller after centrifugal fan according to claim 8, it is characterised in that mid-game locating slot (3.1) is at least set 2 are put, the corresponding mid-game locating slot (3.1) of the second locating detent (2.2) is set.
10. to impeller after centrifugal fan according to claim 8, it is characterised in that side disk locating slot (1.1) is at least set 2 are put, the first locating detent (2.1) corresponding sides disk locating slot (1.1) is set.
CN201710868498.7A 2017-09-22 2017-09-22 To impeller and its self-positioning welding fabrication technique after centrifugal fan Pending CN107642501A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108916111A (en) * 2018-09-05 2018-11-30 上海瑞晨环保科技股份有限公司 A kind of abrasion proof impeller for centrifugal blower

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5440312A (en) * 1977-09-05 1979-03-29 Hitachi Ltd Impeller
KR100265648B1 (en) * 1997-10-09 2001-01-15 정영교 Method for manufacturing blade impeller and blade impeller manufactured by such method
CN2677674Y (en) * 2003-11-03 2005-02-09 赵志红 Steel riveting and welding type fan impeller
CN204253389U (en) * 2014-09-29 2015-04-08 西门子公司 Motor ventilating fan and there is the motor of this motor ventilating fan

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5440312A (en) * 1977-09-05 1979-03-29 Hitachi Ltd Impeller
KR100265648B1 (en) * 1997-10-09 2001-01-15 정영교 Method for manufacturing blade impeller and blade impeller manufactured by such method
CN2677674Y (en) * 2003-11-03 2005-02-09 赵志红 Steel riveting and welding type fan impeller
CN204253389U (en) * 2014-09-29 2015-04-08 西门子公司 Motor ventilating fan and there is the motor of this motor ventilating fan

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108916111A (en) * 2018-09-05 2018-11-30 上海瑞晨环保科技股份有限公司 A kind of abrasion proof impeller for centrifugal blower

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Application publication date: 20180130