CN101786218B - Method for producing vent pipe shell of fan - Google Patents
Method for producing vent pipe shell of fan Download PDFInfo
- Publication number
- CN101786218B CN101786218B CN2009102510826A CN200910251082A CN101786218B CN 101786218 B CN101786218 B CN 101786218B CN 2009102510826 A CN2009102510826 A CN 2009102510826A CN 200910251082 A CN200910251082 A CN 200910251082A CN 101786218 B CN101786218 B CN 101786218B
- Authority
- CN
- China
- Prior art keywords
- vent pipe
- pipe shell
- cylindric
- ventilation shaft
- shaft housing
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a method for producing a vent pipe shell of a fan, comprising the following steps: 1) carrying out crude material cutting and blanking based on design requirement, welding, and rolling into a cylindric vent pipe shell; 2) planning one end of the cylindric vent pipe shell with a big-down small-up broadening formation circular-arc edge planner to enable the end to be a broadening formation opening; 3) planning the other end of the cylindric vent pipe shell with a vertical angle edge planner which can rotate to a position vertical to the central axis of the cylindric vent pipe shell to enable the end to form a right-angle side folded outwards; and 4) rolling the two ends of the vent pipe shell respectively with a beader. In the invention, the vent pipe shell of each fan is made of a whole material without welding offcut, thereby improving integral intensity of products, enhancing pressure bearing capacity of openings of two ends, and prolonging service life of products to some extent.
Description
Technical field
The present invention relates to a kind of shell of general blower fan, especially a kind of global formation and vent pipe shell of fan preparation method simple to operate of being used for.
Background technology
Blower fan all is widely used in fields such as ventilation, dehumidifying, refrigeration and fire-fightings, particularly in the tunnel, places such as warehouse, factory use very frequent.Now present general blower fan is to be made of Blower Housing and the fan and the motor that are installed in the housing, wherein, Blower Housing is a cylinder-like structure, its both sides all are made into trumpet-shaped opening or an end is tubaeform, the other end is a right-angle side, flaring opening is used for air-out, and right-angle side is used for housing is fixed on body of wall.Because it is more frequent that the housing that existing tubaeform and right-angle side at present combines uses, when making Blower Housing, more be to adopt this structure therefore.But, the housing of this structure is had relatively high expectations on manufacture craft, normally adopt first sub-material to make now, the mode of welding fabrication again, promptly will justify an end of barrel earlier and make horn opening by the mode of forging and pressing or mould, the rim charge of square is welded to the other end of round barrel, this manufacture craft has the following disadvantages again:
1, when making tubaeform limit, no matter be to adopt the forging and pressing or the housing of Mold Making moulding, its structural strength and stability are all poor, and need could realize through multiple utensil processing when making, difficult quality control situations such as distortion, race limit appear, in operation more complicated easily;
2, when the welding right-angle side, working strength is bigger, and Production Time is oversize, and the quality of welding is relevant with operator's technical ability itself, and precision is difficult to control; The interface of welding owing to reason such as getting rusty, situations such as fracture, opening occur in use for some time easily, has had a strong impact on the security and the stability of blower fan use;
3, in order to strengthen the structural strength behind the tubaeform edge forming, will select the bigger alloy material of thickness usually for use, this makes the overall weight of vent pipe shell of fan increase, and this has increased the cost of manufacturing, and has reduced enterprise profit.
Summary of the invention
At above-mentioned deficiency of the prior art, the manufacture craft that the objective of the invention is to solve now vent pipe shell of fan at present is relatively complicated, the right-angle side of shell end normally adopts the structure of welding fabrication, make the whole compressive strength of housing lower, rupture easily at edge so that influence the problem in the service life of blower fan, and introduce a kind of can global formation, operational sequence is simple and lower-cost vent pipe shell of fan preparation method.
Technical scheme of the present invention: a kind of preparation method of vent pipe shell of fan is characterized in that comprising the steps:
1) according to designing requirement with the coarse fodder cutting stock, be rolled into cylindric ventilation shaft housing after the welding; 2) adopt the big down little tubaeform circular arc throwing limit device of, an end of cylindric ventilation shaft housing is thrown the limit, make this end form horn opening; 3) adopt the right angle to turn to the perpendicular position of central axis of cylindric ventilation shaft housing to throw the limit device, the other end of cylindric ventilation shaft housing is thrown the limit, make this end form folding laterally right-angle side; 4) adopt the two ends difference crimping of curler to the ventilation shaft housing.
In the manufacturing process, when limit and crimping are thrown in the two ends of ventilation shaft housing, in the ventilation shaft housing, be provided with cylindric pad mould wheel.Pad mould wheel is used for the inwall of ventilation shaft housing is played a supportive role, its size is complementary with the ventilation shaft housing, fill up mould wheel simultaneously and drive the ventilation shaft housing by self rotation and rotate synchronously, the throwing limit and the flange crimping operation of ventilation shaft housing are all finished in rotary course.
During crimping, add wire respectively in the outer at housing two ends, wire is entrained in the reinforcement behind the crimping.Wire can effectively strengthen the intensity of reinforcement, and its toughness is better, not easy fracture.
Add man-hour, circular arc is thrown the top of limit device and is located at the inwall edge that the pad mould is taken turns, and so conveniently contacts with the ventilation shaft housing; And throwing limit, right angle device is to comprise a follower and a steering spindle, and follower is enclosed within on the steering spindle, and the steering spindle in the vertical direction rotates.Described curler is to be made of upper and lower two parts, and its top is disk, and the bottom is that upper surface is the circular cone dish of smooth bevel, and the diameter of circular cone dish is greater than the diameter of disk; Form annular groove between disk and circular cone dish, described annular groove recess from inside to outside magnifies.
Prepared each vent pipe shell of fan of this method all is by a material all in one piece moulding, need not to weld rim charge, thereby has promoted the bulk strength of product, and particularly the openings at two ends compression capability obviously strengthens, and has prolonged the service life of product to a certain extent.
With respect to prior art, the present invention has the following advantages:
1, adopts the mode that circle barrel two ends are processed respectively, obtained the blower housing of global formation, need not to weld in addition the arm of angle, promoted the whole compressive strength of housing;
2, reduced the making step of technology, the processing that only needs respectively to throw limit and crimping to circle barrel two ends is handled, operate simpler, the shape after the moulding of the also easier control housing of staff;
3, reduced cost of manufacture,, can select therefore that material is thin, the better barrel of toughness for use, owing to do not need to weld in addition leftover pieces, made that the whole cost when making reduces simultaneously, improved the profit of enterprise because the globality structure has promoted the rigidity intensity of housing.
Description of drawings
Fig. 1 is the cutaway view that method of the present invention is made the vent pipe shell of moulding.
Among the figure, the tubaeform circular arc of 1-, 2-right-angle side, 3-reinforcement, 4-wire.
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
A kind of preparation method of vent pipe shell of fan comprises the steps:
(1) according to designing requirement with the coarse fodder cutting stock, be rolled into cylindric ventilation shaft housing after the welding;
When cutting, earlier coarse fodder is cut into the rectangle material, the length and width of rectangle requires to be complementary with the size of made vent pipe shell of fan during cutting, and promptly the length of rectangle equates with the circumferential length of made housing; The both sides of rectangle material width are overlapped and be welded as a whole, promptly obtain the required round barrel of this method.
(2) adopt the big down little tubaeform circular arc throwing limit device of, an end of cylindric ventilation shaft housing is thrown the limit, make this end form horn opening;
(3) adopt the right angle to turn to the perpendicular position of central axis of cylindric ventilation shaft housing to throw the limit device, the other end of cylindric ventilation shaft housing is thrown the limit, make this end form folding laterally right-angle side;
(4) adopt the two ends difference crimping of curler to the ventilation shaft housing.
When limit and crimping are thrown in the two ends of ventilation shaft housing, in the ventilation shaft housing, be provided with cylindric pad mould wheel.Outer at the housing two ends during crimping adds wire respectively, and wire is entrained in the reinforcement behind the crimping.Reinforcement rigidity behind the adding wire is better, has strengthened the compressive strength of housing simultaneously, and wearability is also better.
As shown in Figure 1, make the vent pipe shell of fan of moulding, it is tubaeform circular arc 1 is provided with several installing holes as the air outlet of blower fan on right-angle side 2, by bolt housing right-angle side 2 is fixed on the body of wall during installation.Behind the crimping, form reinforcement 3, in every reinforcement 3, all include wire 4 in outer, housing two ends.
Concrete operations flow process of the present invention:
The pad mould wheel that chooses suitable dimension fixes, the round barrel that welding is good is enclosed within pad mould wheel and goes up and compress, rotate simultaneously by power set drive pad mould wheel and circle barrel, manually revolve nearly circular arc and throw the limit device, the limit device is thrown with circular arc in the lower end of rotational circle barrel to be contacted, the circle barrel is thrown at circular arc and is formed flaring opening under the device effect of limit, by the position that the control circular arc is thrown the limit device, can control the angle that shell is thrown the limit camber line.Back out circular arc and throw the limit device, revolve nearly curler, the edge of horn opening is stretched in the annular groove of curler, because the downside of annular groove is the inclined-plane, therefore, the edge of circle barrel with can scroll up after annular groove contact, thereby enclose reinforcement in the edge of horn opening formation one.
Same, will justify and adopt the right angle to throw limit device and curler processing after barrel overturns successively, promptly obtain the limit of square, on right-angle side, also form a circle reinforcement.Certainly, add man-hour, also can process right-angle side earlier, processing flaring circular arc limit then.
When crimping, in reinforcement, increase wire if desired, can earlier wire be enclosed within respectively on the outer, housing two ends of throwing behind the edge forming, crimping then, wire is promptly entrained in the reinforcement.Before each crimping, also need to be polished in the commissure of circle barrel, make the thickness of its commissure identical with circle barrel thickness, could produce effect preferably during crimping like this, the housing outward appearance after the moulding is also balanced more.
Preparation method of the present invention is considered from the overall structure aspect of housing, by on material all in one piece, making the moulding vent pipe shell of fan, do not need other welding assembly, housing whole rigidity and compression capability have been increased, not easy fracture, distortion, and also have bigger prolongation the service life of product, bigger space has also been arranged on selecting materials simultaneously, can select for use material to approach but the better alloy sheets of ductility, housing of every making can be saved the cost about 20%, has promoted the competitiveness of product on market; Moreover, because the method for making is simpler, reduced operations such as welding, further improved production efficiency, the also easier control of the shape of housing during making has reduced the individual difference between every product, and quality also gets a promotion.
Need to prove, above embodiment is only in order to illustrate technical scheme of the present invention but not the restriction technologies scheme, although the applicant has been described in detail the present invention with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, those are made amendment to technical scheme of the present invention or are equal to replacement, and do not break away from the aim and the scope of the technical program, all should be encompassed in the middle of the claim scope of the present invention.
Claims (2)
1. the preparation method of a vent pipe shell of fan is characterized in that comprising the steps:
(1) according to designing requirement with the coarse fodder cutting stock, be rolled into cylindric ventilation shaft housing after the welding; (2) adopt the big down little tubaeform circular arc throwing limit device of, an end of cylindric ventilation shaft housing is thrown the limit, make this end form horn opening; (3) adopt the right angle to turn to the perpendicular position of central axis of cylindric ventilation shaft housing to throw the limit device, the other end of cylindric ventilation shaft housing is thrown the limit, make this end form folding laterally right-angle side; (4) adopt the two ends difference crimping of curler, form reinforcement the ventilation shaft housing; The outer at housing two ends adds wire respectively when crimping, and wire is entrained in the reinforcement during crimping.
2. according to the preparation method of the described vent pipe shell of fan of claim 1, it is characterized in that, when limit and crimping are thrown in the two ends of ventilation shaft housing, in the ventilation shaft housing, be provided with cylindric pad mould wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102510826A CN101786218B (en) | 2009-12-29 | 2009-12-29 | Method for producing vent pipe shell of fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102510826A CN101786218B (en) | 2009-12-29 | 2009-12-29 | Method for producing vent pipe shell of fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101786218A CN101786218A (en) | 2010-07-28 |
| CN101786218B true CN101786218B (en) | 2011-08-31 |
Family
ID=42529670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102510826A Expired - Fee Related CN101786218B (en) | 2009-12-29 | 2009-12-29 | Method for producing vent pipe shell of fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101786218B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328002A (en) * | 2011-09-27 | 2012-01-25 | 山东泰山管乐器制造有限公司 | Process of molding saxophone trumpet |
| CN106077316B (en) * | 2016-08-09 | 2018-03-30 | 中船桂江造船有限公司 | Rotate the preparation method that horn is cut a smart figure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1419974A (en) * | 2001-11-16 | 2003-05-28 | 山东新风股份有限公司 | Process and device for making air metal intlet of fan |
| CN1538075A (en) * | 2003-10-23 | 2004-10-20 | 常熟市鼓风机有限公司 | Processing method of water return barrel spraying axial-flow fan |
| CN101347894A (en) * | 2008-07-18 | 2009-01-21 | 唐兴洲 | Integral drawing technique of draught fan volute |
-
2009
- 2009-12-29 CN CN2009102510826A patent/CN101786218B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1419974A (en) * | 2001-11-16 | 2003-05-28 | 山东新风股份有限公司 | Process and device for making air metal intlet of fan |
| CN1538075A (en) * | 2003-10-23 | 2004-10-20 | 常熟市鼓风机有限公司 | Processing method of water return barrel spraying axial-flow fan |
| CN101347894A (en) * | 2008-07-18 | 2009-01-21 | 唐兴洲 | Integral drawing technique of draught fan volute |
Non-Patent Citations (3)
| Title |
|---|
| 冯晗.用普通旋压工艺成形风机零件轮毂.《机电技术》.2005,(第2期),62－66. * |
| 李秉栋.喇叭口零件的成形工艺及其参数.《锻压机械》.1990,(第2期),30-31. * |
| 赵升吨.风机机壳普通旋压设备的现状及其发展趋势.《第十届全国塑性工程学术年会、第三届国际塑性加工先进技术研讨会论文集》.2007,557-562. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101786218A (en) | 2010-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6932076B2 (en) | Diamond circular saw blade | |
| CN101786218B (en) | Method for producing vent pipe shell of fan | |
| CN102343765B (en) | Truck rear wheel aluminum alloy spinning hub and manufacturing method thereof | |
| CN105370537B (en) | A kind of manufacturing method of compressor and its compound rack | |
| CN106351962B (en) | A kind of bearing block structure and its processing technology | |
| CN104385847A (en) | Composite three-sheet spin hub and manufacturing method thereof | |
| CN100528396C (en) | Rotary pressing edge forming method of the vehicle circular rim and the circular rim with an integrated structure | |
| US9045001B2 (en) | Axle shaft assembly | |
| CN201565509U (en) | Curling formation device of blower ventilation pipe shell | |
| CN205136019U (en) | Compressor air cylinder and rotary compressor employing same | |
| CN101456114B (en) | Rim power spinning isometric forming technique | |
| CN206185013U (en) | Many bend radius bending mould | |
| CN209925239U (en) | Sheet blade type efficient axial flow fan | |
| CN207166262U (en) | Electric motor end cap and motor | |
| CN104121682B (en) | Air conditioner and wind sweeping mechanism thereof | |
| CN201669566U (en) | Wire cutting tool used for processing filler pieces by annular blank | |
| CN108673067A (en) | A kind of production method of bearing of compressor | |
| CN204365237U (en) | Flat mould for the production of the particle pressing machine of particle and the particle pressing machine for the production of particle | |
| CN203599995U (en) | Center hole grinding thimble | |
| CN203124814U (en) | Super-hard material micro double-blade milling cutter | |
| CN214133522U (en) | Spinning forming device for centrifugal machine disc | |
| CN108673066A (en) | A kind of production method of bearing of compressor | |
| CN204041393U (en) | A kind of compressor and compound frame thereof | |
| CN100457297C (en) | Turbine classifier for processing powder | |
| CN205331047U (en) | Split type high -pressure centrifugal fan impeller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20141229 |
|
| EXPY | Termination of patent right or utility model |