CN115041932B - Processing method of centrifugal ventilator three-way flow impeller blade - Google Patents
Processing method of centrifugal ventilator three-way flow impeller blade Download PDFInfo
- Publication number
- CN115041932B CN115041932B CN202210738696.2A CN202210738696A CN115041932B CN 115041932 B CN115041932 B CN 115041932B CN 202210738696 A CN202210738696 A CN 202210738696A CN 115041932 B CN115041932 B CN 115041932B
- Authority
- CN
- China
- Prior art keywords
- blade
- template module
- module
- die
- steel plate
- 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.)
- Active
Links
- 238000003672 processing method Methods 0.000 title claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 45
- 239000010959 steel Substances 0.000 claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 claims abstract description 27
- 238000003825 pressing Methods 0.000 claims abstract description 26
- 238000005520 cutting process Methods 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 12
- 230000037431 insertion Effects 0.000 claims description 12
- 238000010586 diagram Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000003475 lamination Methods 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 3
- 238000000748 compression moulding Methods 0.000 claims description 2
- 238000004088 simulation Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 2
- 238000003698 laser cutting Methods 0.000 description 2
- 241000221785 Erysiphales Species 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/04—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine or like blades from several pieces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The invention relates to the technical field of blade manufacturing, in particular to a processing method of a centrifugal fan three-dimensional flow impeller blade, which is characterized in that a three-dimensional modeling software is used for modeling to cut the blade, a three-dimensional model of a steel plate inserting mold is manufactured in a simulation mode, the three-dimensional model of the mold is used for converting and manufacturing the steel plate inserting mold, the pressing surface of the steel plate inserting mold is matched with the surface profile of the blade to be processed, so that the required blade is manufactured.
Description
Technical Field
The invention relates to the technical field of blade manufacturing, in particular to a processing method of a centrifugal fan three-way flow impeller blade.
Background
Due to the requirement of industrial production, high efficiency is a main direction of future fan development. The traditional centrifugal ventilator has the advantages of flat plate shape, circular arc shape, hollow airfoil shape and the like. The flat blade is simple to manufacture, the hollow wing-shaped blade has excellent aerodynamic characteristics, and the circular arc-shaped blade is between the manufacturing cost and the flow efficiency. Nevertheless, all the three structural types of blades belong to two-dimensional blades, and can not completely adapt to the flow rule of gas in a fan impeller, so that certain energy loss is caused.
The three-way flow blades are adopted in the centrifugal fan so as to completely adapt to the flow characteristic of gas in the impeller, reduce the flow loss and improve the overall efficiency of the fan, and the actual operation result shows that the flow efficiency of the impeller and the overall flow efficiency of the fan are greatly improved. However, compared with the processing cost of the conventional two-dimensional fan impeller blade, the novel three-dimensional flow fan blade is extremely difficult to process, firstly, after pneumatic design is completed, a processing die for milling the blade by adopting a numerical control machine tool is needed, a five-axis processing center is usually adopted for manufacturing the die, the equipment cost of the five-axis processing center is extremely high, and only the die material cost and the processing cost of the three-dimensional flow fan blade can lead to the great improvement of the manufacturing cost of a fan main machine. In addition, the fan has a plurality of types, the fan blades of each type are different in shape, the dies of various types cannot be used universally, the left-handed fan and the right-handed fan cannot be used universally, the market popularization speed of the three-way fan is restricted due to the reasons, and the application of the three-way impeller on the centrifugal fan is restricted.
Disclosure of Invention
The invention provides a processing method of a centrifugal fan three-way impeller blade, which aims to solve the technical problems that the production and manufacturing cost of the three-way impeller is high and the actual requirements are difficult to meet.
The technical problems of the invention are realized by the following technical scheme: a processing method of a centrifugal ventilator three-way flow impeller blade comprises the following operation steps:
step A, manufacturing a steel plate splicing die lamination die slice profile diagram through three-dimensional modeling software according to a three-dimensional model of the blade;
a1, manufacturing a blade model, and modularly cutting the blade surfaces of the blade model to form a plurality of blade cutting modules spliced by the cutting modules;
a2, extracting a central line of a tangent plane profile from the tangent plane of each cutting module and the blade to form a blade tangent plane wire harness;
a3, respectively making an upper datum line and a lower datum line above and below the blade tangent plane wire harness;
a4, making a perpendicular line between the end point of each blade tangent plane wire harness and the upper datum line to form an upper die slice; making a vertical line with the lower reference surface by each blade tangent plane wire harness to form a lower die slice; thereby forming a die-bonding die-cut profile;
step B, blanking according to a blanking diagram formed by the sectional profile of the pressing die, and manufacturing a spliced steel plate splicing mold;
step C, carrying out refinement treatment on the blade pressing surfaces of the steel plate splicing dies, and eliminating step layers between the splicing steel plate pressing surfaces; fixing the steel plate splicing mould on pressure equipment;
and D, cutting and blanking the blade material plates, heating and cooling the blade material plates, and then placing the blade material plates in a steel plate inserting mold for compression molding.
Preferably, the width dimension of each cutting module in step a1 is between 5 and 8 mm; and the width dimension of each cutting module is the same.
Preferably, after step a4, perpendicular lines perpendicular to the upper and lower reference lines are respectively made at two end points of the blade tangent plane harness along the reference lines, so as to form a die alignment base line.
Preferably, the steel plate inserting mold comprises an upper template module, a lower template module, an upper bottom plate and a lower bottom plate; the upper template module is arranged on the upper bottom plate; the lower template module is arranged on the lower bottom plate; the upper template module is connected with the lower template module in a pressing mode, and the pressing connection surface of the upper template module and the lower template module is matched with the molded surface of the blade.
Preferably, the lower template module is formed by sequentially arranging a plurality of lower templates; the bottom of the single lower template is provided with a lower bulge insertion block; the lower template is inserted with the lower bottom plate through the lower bulge insertion block.
Preferably, the upper template module is formed by sequentially arranging a plurality of upper templates; an upper bulge insertion block is arranged at the bottom of the single upper template; the upper template is inserted with the upper bottom plate through an upper bulge insertion block.
Preferably, reinforcing rib groups are arranged at the side ends of the upper template module and the lower template module, and the reinforcing rib groups are respectively connected with the upper template module and the lower template module in a welding mode.
Preferably, positioning holes are correspondingly formed in the pressing surfaces of the upper template module and the lower template module; and a positioning pin shaft is arranged on the positioning hole of the lower template module.
Preferably, in the step C, welding treatment is carried out on the step part between adjacent inserted steel plates on the pressed surface of the steel plate inserted die, so as to form weld flash, and the welded pressed surface is subjected to molded line polishing.
Preferably, the heating temperature of the blade material plate in the step D is 550-750 ℃ and the heating time is 3.5-4 h; the cooling temperature of the blade material sheet is 150-250 ℃.
In summary, the invention has the following beneficial effects:
1. according to the processing method of the three-dimensional flow impeller blade, the three-dimensional model of the steel plate inserting mold is simulated and manufactured through the three-dimensional modeling software, the steel plate inserting mold is further converted and manufactured, the pressing surface of the steel plate inserting mold is matched with the surface molded line of the blade to be processed, so that the required blade is pressed, the manufacturing process of the steel plate inserting mold of the blade is simple, the production manufacturing cost is low, the problem that the traditional five-axis machining center is required to manufacture the mold is high in cost can be solved, meanwhile, the manufacturing cost of different blade molds is not increased, the overall manufacturing cost of the three-dimensional flow centrifugal ventilator is greatly reduced, the manufacturing procedure is simplified through the pressing and forming of the steel plate inserting mold, and the production efficiency is improved.
2. According to the invention, the step positions of the adjacent inserted steel plates are welded, so that the adjacent inserted steel plates can be firmly connected, faults can be effectively eliminated, the smoothness of the pressed surface is ensured, and the pressed surface is matched with the molded line of the blade to be processed; and annealing heat treatment is carried out before the blade material plates are pressed, so that the tissue defects are eliminated, the mechanical properties of the material plates are improved, and the residual stress is reduced.
Drawings
FIG. 1 is a schematic view of a three-way flow impeller blade configuration;
FIG. 2 is a schematic plan view of a blade cutting module;
FIG. 3 is a schematic view of a blade cutting module;
FIG. 4 is a schematic view of a blade cut wire harness;
FIG. 5 is a cut-away profile view of a lamination die;
FIG. 6 is a front view of a steel plate plugging die structure;
FIG. 7 is a side view of a steel plate insert mold structure;
FIG. 8 is a schematic view of the structure of the lower plate;
FIG. 9 is a schematic diagram of a lower template module structure.
Reference numerals illustrate:
1. an upper template module; 2. a lower template module; 3. an upper base plate; 4. a lower base plate; 5. an upper protruding insert; 6. a lower protruding insert; 7. a reinforcing rib group; 8. and positioning the pin shaft.
Detailed Description
In order that the above objects, features and advantages of the invention will be more clearly understood, a further description of the invention will be rendered by reference to the appended drawings and examples.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as described herein, and therefore the present invention is not limited to the specific embodiments of the disclosure that follow.
The invention discloses a processing method of a centrifugal ventilator three-way flow impeller blade, as shown in figure 1, which specifically comprises the following operation steps of;
step A, designing a three-dimensional model of a blade, and manufacturing a lamination die slice profile of a steel plate splicing die through three-dimensional modeling software according to the three-dimensional model of the blade; the three-dimensional modeling software can adopt SolidWorks software;
a1, manufacturing a blade model, and modularly cutting the blade surfaces of the blade model to form a plurality of blade cutting modules spliced by the cutting modules; the specific leaf surface modularized cutting operation steps are as follows: as shown in fig. 1, 2 and 3, the starting point of the intersection of the blade and the impeller rear disc is a point A, the end point is a point B, the starting point of the intersection of the blade and the impeller front disc is a point D, and the end point is a point C; the connection point A and the point B form a straight line AB; the making point C and the perpendicular line of the straight line AB form an intersection point E; point C, point B and point E form a plane CEB; the straight line AB is located on a certain vertical plane of the plane CEB; this vertical plane is named plane M; cutting the blade by using a plane M to form a plurality of blade cutting modules spliced by the tangent plane modules; the width dimension of each cutting module is between 5 and 8 mm; and the width dimension of each cutting module is the same, and the width dimension of each cutting module is the thickness dimension of a single splicing steel plate in the later stage, so that the width dimension of each cutting module is not suitable to be selected too much, otherwise, the precision of the manufactured template is easy to be caused to be less than the requirement of processing the blade, and the processing difficulty is increased.
a2, as shown in fig. 4, extracting the central line of the section profile from the section of each cutting module and the blade, wherein the central lines of all the cutting modules form a blade section wire harness; the three-dimensional profile surface formed by the blade tangent plane wire harness is the profile surface of the die;
a3, as shown in FIG. 4, points A1 and B1 connecting the blade tangent line harness form a straight line A1B1; respectively making an upper datum line and a lower datum line above and below the blade tangent plane wire harness in parallel to the straight line A1B1;
a4, making a perpendicular line between the end point of each blade tangent plane wire harness and the upper datum line to form an upper die slice; making a vertical line with the lower reference surface by each blade tangent plane wire harness to form a lower die slice; thereby forming a die-bonding die-cut profile;
a5, as shown in FIG. 5, because the upper and lower datum lines of the straight line A1D1 and the straight line B1C1 are not vertical, the upper and lower templates after blanking according to the outline drawing of the pressed die slice are not well aligned, so that vertical lines are respectively made to be vertical to the upper and lower datum lines through A1 and B1 to form a die alignment base line; the alignment after the later-stage splicing of the splicing steel plates is convenient.
Each blade tangent line harness forms an upper die slice diagram with an upper datum line and perpendicular lines at two ends, and each blade tangent line harness forms a lower die slice diagram with a lower datum line and perpendicular lines at two ends; the upper die slice and the lower die slice formed by all corresponding blade slice wire harnesses form a steel plate splicing slice profile blanking diagram; meanwhile, in order to facilitate the positioning between the die and the bottom plate, the upper datum line and the lower datum line are respectively provided with a bulge so as to facilitate the plug-in connection of the blanking rear die plate and the bottom plate.
And after the steps are finished, carrying out three-dimensional modeling according to the upper die slice diagram and the lower die slice diagram to form a three-dimensional model diagram of the steel plate plugging die, and pre-simulating later steel plate plugging manufacture to reduce manufacturing barriers.
Step B, cutting and blanking the upper template, the lower template and the plate of the bottom plate respectively according to the size requirement by using a laser cutting machine according to the blanking patterns of the steel plate splicing mould pressing die slice profile patterns into a plurality of splicing steel plates and the finally formed upper die slice patterns and the finally formed lower die slice patterns serving as references, and splicing and connecting to form the steel plate splicing mould;
as shown in fig. 6-9, the steel plate plugging die comprises an upper die plate module 1, a lower die plate module 2, an upper bottom plate 3 and a lower bottom plate 4; the upper template module 1 is arranged on the upper bottom plate 3; the lower template module 2 is arranged on the lower bottom plate 4; the upper template module 1 is connected with the lower template module 2 in a pressing mode, and the pressing connection surface of the upper template module 1 and the lower template module 2 is matched with the molded surface of the blade.
The upper template module 1 is formed by sequentially arranging a plurality of upper templates; the bottom of the single upper template is provided with an upper convex insert 5; the upper bottom plate 3 is provided with strip holes corresponding to the upper convex inserting blocks 5, and the single upper templates are sequentially inserted into the strip holes on the upper bottom plate 3 through the upper convex inserting blocks 5.
The lower template module 2 is formed by sequentially arranging a plurality of lower templates; the bottom of the single lower template is provided with a lower bulge insertion block 6; the strip holes corresponding to the lower convex inserting blocks 6 are formed in the lower bottom plate 4, and the single-piece lower template is correspondingly inserted into the strip holes in the lower bottom plate 4 through the lower convex inserting blocks 6, so that the insertion steel plate is convenient to fix on the bottom plate.
The side ends of the upper template module 1 and the lower template module 2 are provided with reinforcing rib groups 7, and the reinforcing rib groups 7 are respectively welded to connect the upper template module 1 and the lower template module 2, so that the upper template and the lower template are further respectively reinforced to form an upper template module and a lower template module.
Positioning holes are correspondingly formed in the pressing surfaces of the upper template module 1 and the lower template module 2; and a positioning pin shaft 8 is arranged on a positioning hole of the lower template module 2, so that the upper template module 1 and the lower template module 2 can be accurately positioned.
Step C, carrying out fine treatment on the blade pressing surfaces of the steel plate splicing dies, welding treatment on the stepped positions of adjacent splicing steel plate pressing surfaces, filling faults with welding knots, and then polishing after welding to eliminate stepped layers between the splicing steel plate pressing surfaces; ensuring smooth molded lines of the pressing surface, checking the pressing surface by using color or powdery mildew, and ensuring good pressing contact between the upper template module 1 and the lower template module 2; after full-welding the contact part of the bottom plate and the template, fixing a steel plate splicing mould on pressure equipment;
cutting and blanking the blade material plate by a laser cutting machine, heating and cooling the cut blade material plate, specifically, putting the blade material plate into an electric furnace for heating, wherein the furnace inlet temperature is normal temperature, rapidly heating to 250 ℃, then heating according to the heating speed of 100 ℃/h, enabling the temperature of the heated material plate to be 550 ℃ -750 ℃, soaking for 3.5h-4h, and naturally cooling the material plate in the electric furnace to 150 ℃ -250 ℃ for discharging; and placing the heated and cooled material plate on the pressing surface of the lower template module, and attaching the upper and lower dies to finish blade profiling, thereby eliminating tissue defects, improving the mechanical property of the material plate and reducing residual stress.
The present invention is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification and equivalent changes to the above-mentioned embodiments according to the technical substance of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (5)
1. The processing method of the centrifugal fan three-way flow impeller blade is characterized by comprising the following operation steps:
step A, manufacturing a steel plate splicing die lamination die slice profile diagram through three-dimensional modeling software according to a three-dimensional model of the blade;
a1, manufacturing a blade model, and modularly cutting the blade surfaces of the blade model to form a plurality of blade cutting modules spliced by the cutting modules;
a2, extracting a central line of a tangent plane profile from the tangent plane of each cutting module and the blade to form a blade tangent plane wire harness;
a3, respectively making an upper datum line and a lower datum line above and below the blade tangent plane wire harness;
a4, making a perpendicular line between the end point of each blade tangent plane wire harness and the upper datum line to form an upper die slice; making a vertical line with the lower reference surface by each blade tangent plane wire harness to form a lower die slice; thereby forming a die-bonding die-cut profile;
step B, blanking according to a blanking diagram formed by the sectional profile of the pressing die, and manufacturing a spliced steel plate splicing mold;
step C, carrying out refinement treatment on the blade pressing surfaces of the steel plate splicing dies, and eliminating step layers between the splicing steel plate pressing surfaces; fixing the steel plate splicing mould on pressure equipment; welding the step part between adjacent inserted steel plates on the pressed surface of the steel plate inserted die to form weld flash, and polishing the welded pressed surface;
step D, cutting and blanking the blade material plates, heating and cooling the blade material plates, and then placing the blade material plates in a steel plate inserting mold for compression molding;
the steel plate inserting mold comprises an upper template module, a lower template module, an upper bottom plate and a lower bottom plate; the upper template module is arranged on the upper bottom plate; the lower template module is arranged on the lower bottom plate; the upper template module is connected with the lower template module in a pressing way, and the pressing connection surface of the upper template module and the lower template module is matched with the molded surface of the blade;
the lower template module is formed by sequentially arranging a plurality of lower templates; the bottom of the single lower template is provided with a lower bulge insertion block; the lower template is spliced with the lower bottom plate through a lower bulge insertion block;
the upper template module is formed by sequentially arranging a plurality of upper templates; an upper bulge insertion block is arranged at the bottom of the single upper template; the upper template is spliced with the upper bottom plate through an upper bulge insertion block;
the upper bottom plate is provided with strip holes corresponding to the upper convex insertion blocks, and the single upper template is sequentially inserted into the strip holes on the upper bottom plate through the upper convex insertion blocks;
the lower bottom plate is provided with a strip hole corresponding to the lower convex insert block, the single lower template is correspondingly inserted into the strip hole on the lower bottom plate through the lower convex insert block,
and reinforcing rib groups are arranged at the side ends of the upper template module and the lower template module, and are respectively welded and connected with the upper template module and the lower template module.
2. The method for processing the centrifugal fan three-way flow impeller blade according to claim 1, wherein the method comprises the following steps of: the width dimension of each cutting module in step a1 is between 5 and 8 mm; and the width dimension of each cutting module is the same.
3. The method for processing the centrifugal fan three-way flow impeller blade according to claim 1, wherein the method comprises the following steps of: and a step a4 is followed by respectively making perpendicular lines perpendicular to the upper and lower datum lines at two end points of the blade tangent plane wire harness along the datum lines to form a die alignment base line.
4. The method for processing the centrifugal fan three-way flow impeller blade according to claim 1, wherein the method comprises the following steps of: positioning holes are correspondingly formed in the pressing surfaces of the upper template module and the lower template module; and a positioning pin shaft is arranged on the positioning hole of the lower template module.
5. The method for processing the centrifugal fan three-way flow impeller blade according to claim 1, wherein the method comprises the following steps of: in the step D, the heating temperature of the blade material plate is 550-750 ℃ and the heating time is 3.5-4 h; the cooling temperature of the blade material sheet is 150-250 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210738696.2A CN115041932B (en) | 2022-06-28 | 2022-06-28 | Processing method of centrifugal ventilator three-way flow impeller blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210738696.2A CN115041932B (en) | 2022-06-28 | 2022-06-28 | Processing method of centrifugal ventilator three-way flow impeller blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115041932A CN115041932A (en) | 2022-09-13 |
| CN115041932B true CN115041932B (en) | 2024-03-15 |
Family
ID=83162997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210738696.2A Active CN115041932B (en) | 2022-06-28 | 2022-06-28 | Processing method of centrifugal ventilator three-way flow impeller blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115041932B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101169382A (en) * | 2006-10-26 | 2008-04-30 | 斯奈克玛 | Manufacturing process for a pilot blade made of composite material |
| JP4295813B1 (en) * | 2008-11-13 | 2009-07-15 | 株式会社金沢鉄工所 | Integrated press molding method and press machine for hollow nozzle blade for steam turbine |
| JP2009233693A (en) * | 2008-03-26 | 2009-10-15 | Toyota Boshoku Corp | Apparatus for manufacturing mesh-like body |
| CN102000957A (en) * | 2010-12-14 | 2011-04-06 | 无锡市澳富特精密快速成形科技有限公司 | Method for manufacturing wind turbine blade mould |
| JP2011088171A (en) * | 2009-10-21 | 2011-05-06 | Kamome Propeller Co Ltd | Mold, method for manufacturing the same, and method for producing casting |
| EP2392422A1 (en) * | 2009-01-22 | 2011-12-07 | IHI Corporation | Method of manufacturing member for reinforcing front edge of fan blade |
| CN102303220A (en) * | 2011-08-03 | 2012-01-04 | 孝感学院 | Manufacturing method of arc plate blade forming die of ventilation fan |
| CN103567727A (en) * | 2013-11-06 | 2014-02-12 | 浙江金盾风机股份有限公司 | Manufacturing process for wing-type high temperature resistant steel plate welded blades |
| CN203437596U (en) * | 2013-07-15 | 2014-02-19 | 广州广一泵业有限公司 | Laminating sand core and casting mold for forming pump impeller and mold for forming laminating sand core insert |
| CN106270077A (en) * | 2016-08-31 | 2017-01-04 | 三重型能源装备有限公司 | Eyelid covering and the manufacture method of fan blade, fan blade |
| CN208680336U (en) * | 2018-08-01 | 2019-04-02 | 西安陕鼓通风设备有限公司 | A kind of Sinter air machine three-dimensional flow blade compression tooling |
| CN113977212A (en) * | 2021-10-29 | 2022-01-28 | 湖北江山专用汽车有限公司 | Method for repairing mold of blade mold of mixer truck, mold and blade |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040128016A1 (en) * | 2001-03-22 | 2004-07-01 | Stewart David H. | Method for manufacturing a near net-shape mold |
-
2022
- 2022-06-28 CN CN202210738696.2A patent/CN115041932B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101169382A (en) * | 2006-10-26 | 2008-04-30 | 斯奈克玛 | Manufacturing process for a pilot blade made of composite material |
| JP2009233693A (en) * | 2008-03-26 | 2009-10-15 | Toyota Boshoku Corp | Apparatus for manufacturing mesh-like body |
| JP4295813B1 (en) * | 2008-11-13 | 2009-07-15 | 株式会社金沢鉄工所 | Integrated press molding method and press machine for hollow nozzle blade for steam turbine |
| EP2392422A1 (en) * | 2009-01-22 | 2011-12-07 | IHI Corporation | Method of manufacturing member for reinforcing front edge of fan blade |
| JP2011088171A (en) * | 2009-10-21 | 2011-05-06 | Kamome Propeller Co Ltd | Mold, method for manufacturing the same, and method for producing casting |
| CN102000957A (en) * | 2010-12-14 | 2011-04-06 | 无锡市澳富特精密快速成形科技有限公司 | Method for manufacturing wind turbine blade mould |
| CN102303220A (en) * | 2011-08-03 | 2012-01-04 | 孝感学院 | Manufacturing method of arc plate blade forming die of ventilation fan |
| CN203437596U (en) * | 2013-07-15 | 2014-02-19 | 广州广一泵业有限公司 | Laminating sand core and casting mold for forming pump impeller and mold for forming laminating sand core insert |
| CN103567727A (en) * | 2013-11-06 | 2014-02-12 | 浙江金盾风机股份有限公司 | Manufacturing process for wing-type high temperature resistant steel plate welded blades |
| CN106270077A (en) * | 2016-08-31 | 2017-01-04 | 三重型能源装备有限公司 | Eyelid covering and the manufacture method of fan blade, fan blade |
| CN208680336U (en) * | 2018-08-01 | 2019-04-02 | 西安陕鼓通风设备有限公司 | A kind of Sinter air machine three-dimensional flow blade compression tooling |
| CN113977212A (en) * | 2021-10-29 | 2022-01-28 | 湖北江山专用汽车有限公司 | Method for repairing mold of blade mold of mixer truck, mold and blade |
Non-Patent Citations (3)
| Title |
|---|
| 叶片实体建模及模具加工;陈飞, 李红;排灌机械(第03期);7-9 * |
| 浅谈透平膨胀机叶轮叶片压模的结构及设计方法;陈晏明;何颖杰;;杭氧科技(第02期);11-18 * |
| 航空叶片精锻模具设计与数控加工;杨根;张立昌;林何;魏忠轩;;机床与液压(第15期);109-113 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115041932A (en) | 2022-09-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9512818B2 (en) | Low-cost molded wind turbine blade | |
| CN110815856A (en) | Soft die manufacturing method for forming I-beam composite material part and application thereof | |
| CN105346100B (en) | A kind of preparation method of the big beam mould of wind electricity blade | |
| CN111496182B (en) | Precision casting method for preventing deformation of single-crystal duplex block-cast turbine guide vane edge plate | |
| CN108817315A (en) | A kind of forming method of split type water-soluble core combined shaping double shrouded wheel | |
| CN102794402A (en) | Profiling die of single crystal blade spiral crystal selector | |
| CN111085661A (en) | Investment mold and method for manufacturing blade with complex cavity | |
| CN115041932B (en) | Processing method of centrifugal ventilator three-way flow impeller blade | |
| CN201768866U (en) | AT steel rail heel end forging and pressing forming die | |
| CN105855820A (en) | Rapid manufacturing method of frame mold | |
| CN101480699A (en) | Method for manufacturing turbo-charger blower impeller mold | |
| CN113263250B (en) | Composite manufacturing method of metal reinforced edge of aircraft engine fan blade | |
| CN114101591B (en) | Core assembly molding method of large curved surface shell casting | |
| CN110328359A (en) | Narrow interval, distortion, multiple-blade dense distribution leaf grating class part manufacturing process | |
| CN102218800B (en) | Mold for manufacturing filter screen assembly and manufacturing method thereof | |
| CN108724681A (en) | A kind of foam die press technology for forming | |
| CN214820386U (en) | Car low pressure is moulded plastics and is realized mould structure of interior side cut of mould | |
| CN212707597U (en) | Quick forming die of sectional type fan blade | |
| CN215320253U (en) | Clamping seat injection molding mold | |
| CN103084450A (en) | A compression molding method for one-shot forming of hyperbolic plate with uniform thickness | |
| CN209792545U (en) | A precision casting ceramic core forming mold | |
| CN219924474U (en) | Low-nitrogen phenol modified hot core box resin mold | |
| CN208178372U (en) | Quick-replaceable test block mold in production | |
| CN220499745U (en) | Inside and outside integrated into one piece mould of wire rod charges | |
| CN105945533B (en) | centrifugal fan blade forming method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |