CN109703069B - Blade mold ejector block positioning method - Google Patents
Blade mold ejector block positioning method Download PDFInfo
- Publication number
- CN109703069B CN109703069B CN201811508347.1A CN201811508347A CN109703069B CN 109703069 B CN109703069 B CN 109703069B CN 201811508347 A CN201811508347 A CN 201811508347A CN 109703069 B CN109703069 B CN 109703069B
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- China
- Prior art keywords
- blade
- die
- top block
- mould
- die top
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000003825 pressing Methods 0.000 claims abstract description 8
- 238000013461 design Methods 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000000748 compression moulding Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 238000013142 basic testing Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Abstract
The invention relates to a positioning method for a blade die ejector block, belonging to the field of mechanical structure design. According to the technical scheme, the locating end face of the limiting structure is designed outside the die, the end face of the die is used as a limiting face, two guide posts and a threaded cylindrical rod are designed, the pressing plate is enabled to move towards the inside of the die through screwing in of the threaded cylindrical rod by a nut, the end face of the locating plate of the die top block assembly is attached to the end face of the die through the pressing plate, so that the die top block assembly is uniformly stressed, the moving direction is parallel to the axis, the die top block and the die are not blocked, the operation is easy, the product percent of pass is increased, and the production cost is reduced.
Description
Technical Field
The invention relates to a positioning method for a blade die ejector block, belonging to the field of mechanical structure design.
Background
The icing wind tunnel is a large-scale special wind tunnel with complex performance, is a basic test device for guaranteeing the flight safety of an aircraft under icing weather conditions, expanding the capability of a modern military aircraft to execute tasks under severe weather conditions, guaranteeing the qualified examination of icing airworthiness of a civil or general aircraft, and providing a basis file for airworthiness evidence, and is an essential important ground test device for developing new aircraft, particularly large-scale transport aircraft and the like. With the development of aviation industry in China, a multifunctional icing wind tunnel is developed, but the problem that fan blades are frozen and a rotor system vibrates severely occurs in the using process, so that the normal use of the wind tunnel is affected. Therefore, the electric heating anti-icing function is added on the basis of ensuring the use requirement of the original blade. The blade mould adopts compression molding, in the past compression molding, and apex and blade root kicking block reserve two holes through the mould, roof the kicking block to spacing position through the bolt, and the structure is see fig. 1. When the structural ejector block slides in the die, the ejector block is easy to clamp, is limited in the die, shown in fig. 2 and 3, and after multiple forming, the limiting part is left with glue, so that the ejector block cannot be ejected in place, whether the ejector block is ejected in place cannot be seen, and finally, the blade is rejected. A blade mould ejector block positioning method is designed for solving the problem.
Disclosure of Invention
The purpose of the invention is that: the problem that the die ejector block is easy to be blocked and is easy to be ejected out of place is solved, and the blade die ejector block positioning method is adopted.
The technical scheme of the invention is as follows: a method of positioning a blade mold top block, the method comprising the steps of:
1) The second blade mould 3 is provided with a cavity with the same shape as the blade, the carbon fiber material for manufacturing the blade is placed in the cavity, the blade mould is provided with an opening communicated with the cavity, and the cross section of the opening is the same as the cross section of the blade tip;
2) The die top block assembly 4 comprises a positioning plate 13, a connecting cylindrical rod I11, a connecting cylindrical rod II 12 and a die top block II 10, wherein the die top block II 10 is of a cylindrical structure, one side surface of the die top block II is identical to the shape of the blade tip, and the other side surface of the die top block II is identical to the cross section of the blade tip; the connecting cylinder rod I11 and the connecting cylinder rod II 12 are positioned between the die top block II 10 and the positioning plate 13 and are perpendicular to the die top block II 10 and the positioning plate 13, and the die top block II 10 and the positioning plate 13 are connected; inserting a die top block assembly 4 having the same side as the tip profile into the opening of the blade die;
3) Through pushing away the locating plate for the plane of locating plate is laminated mutually with the blade mould has open-ended terminal surface, guarantees the length of blade along axial of blade mould preparation for the length of design demand.
The side surface of the blade mould with one end provided with the opening is provided with a first guide rod 8 and a second limit guide rod 9, and the first guide rod and the second limit guide rod are used for guaranteeing the movement direction of the mould ejector block assembly to the inside of the blade mould.
The center of the side surface of the blade mould with one end of the opening is provided with a threaded cylindrical rod 7 protruding outwards, the middle part of the positioning plate is provided with a through hole, the through hole of the positioning plate is sleeved on the bolt, and then the nut 6 is screwed into the bolt, so that the positioning plate can move towards the opening end of the blade mould.
The center of the side surface of the blade die with one end of the opening is provided with the pressing plate 5 which is arranged on the outwards protruding threaded cylindrical rod 7, so that the die top block assembly 4 is uniformly stressed when the bolt is screwed down, and the clamping condition is prevented.
Drawings
FIG. 1 is an overall isometric view of a blade mold assembly
FIG. 2 is an isometric view of a blade mold
FIG. 3 is an isometric view of a blade mold top block
FIG. 4 is an overall axial side view of an optimized post-blade mold
FIG. 5 is a mold top block assembly;
FIG. 6 is an optimized mold;
wherein: 1 is a blade mould I, 2 is a mould top block I, 3 is a blade mould II, 4 is a mould top block component, 5 is a pressing plate, 6 is a nut, 8 is a limiting guide rod I9 is a limiting guide rod II, 10 is a die ejector block II, 11 is a connecting cylindrical rod I, 12 is a connecting cylindrical rod II, and 13 is a positioning plate.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
A method of blade mold top block positioning, the method comprising the steps of:
as can be seen from fig. 3, the blade mold top block positioning method needs the following structure, and consists of a blade mold II 3, a mold top block assembly 4, a limiting guide rod I8, a limiting guide rod II 9, a threaded cylindrical rod 7, a nut 6 and a pressing plate 5;
the second blade mold 3 is shown in fig. 6, and is provided with a cavity with the same appearance as the blade, the carbon fiber material for manufacturing the blade is placed in the cavity, the blade mold is provided with an opening communicated with the cavity, the shape of the cross section of the opening is the same as the shape of the cross section of the blade tip of the blade, and the sliding way is realized;
the die top block assembly 4 is shown in fig. 5, and comprises a positioning plate 13, a connecting cylindrical rod I11, a connecting cylindrical rod II 12 and a die top block II 10, wherein the die top block II 10 is of a cylindrical structure, one side surface of the die top block II is identical to the shape of the blade tip, and the other side surface of the die top block II is identical to the cross section of the blade tip; the connecting cylinder rod I11 and the connecting cylinder rod II 12 are positioned between the die top block II 10 and the positioning plate 13 and are perpendicular to the die top block II 10 and the positioning plate 13, and the die top block II 10 and the positioning plate 13 are connected;
before the die top block assembly 4 is installed, a first limit guide rod 8, a second limit guide rod 9 and a threaded cylindrical rod 7 are installed on a die according to fig. 6, and the side surface with the same appearance as the blade tip is inserted into an opening slideway of a blade die; during insertion, the first limit guide rod 8, the second limit guide rod 9 and the threaded cylindrical rod 7 pass through the hole of the positioning plate 13 on the die top block assembly 4, so that the first limit guide rod, the second limit guide rod and the threaded cylindrical rod move along the axis in the pushing process;
when the pressing plate 5 is installed, holes on the pressing plate 5 are sleeved on the first limit guide rod 8, the second limit guide rod 9 and the threaded cylindrical rod 7, so that the stress of the die top block assembly 4 is uniform when the die top block assembly 4 is screwed in, and the die top block assembly 4 does not clamp the inside of the blade die II 3;
inside with mould kicking block subassembly 4 screw in blade mould two 3 through nut 6, locating plate 13 terminal surface is laminated mutually with the blade mould has open-ended terminal surface, guarantees the blade of blade mould preparation along axial length for the length of design demand, convenient operation.
Claims (4)
1. The blade die ejector block positioning method is characterized by comprising the following steps of:
1) The second blade mould (3) is provided with a cavity with the same appearance as the blade, the carbon fiber material for manufacturing the blade is placed in the cavity, the blade mould is provided with an opening communicated with the cavity, and the cross section of the opening is the same as the cross section of the blade tip;
2) The die top block assembly (4) comprises a positioning plate (13), a first connecting cylindrical rod (11), a second connecting cylindrical rod (12) and a second die top block (10), wherein the second die top block (10) is of a cylindrical structure, one side surface of the second die top block is identical to the shape of the blade tip, and the other side surface of the second die top block is identical to the cross section of the blade tip; the connecting cylinder rod I (11) and the connecting cylinder rod II (12) are positioned between the die top block II (10) and the positioning plate (13) and are perpendicular to the die top block II (10) and the positioning plate (13), and the die top block II (10) and the positioning plate (13) are connected; inserting a die top block assembly (4) into an opening of a blade die, wherein the side surface of the die top block assembly is the same as the profile of the blade tip;
3) Through pushing away the locating plate for the plane of locating plate is laminated mutually with the blade mould has open-ended terminal surface, guarantees the length of blade along axial of blade mould preparation for the length of design demand.
2. The blade mould ejector block positioning method according to claim 1, wherein a first guide rod (8) and a second limit guide rod (9) are arranged on the side surface of the blade mould with one end being opened, and the first guide rod and the second limit guide rod are used for guaranteeing the movement direction of the mould ejector block assembly to the interior of the blade mould.
3. A method of positioning a blade mould ejector block according to claim 1, characterized in that the blade mould is provided with a threaded cylindrical rod (7) protruding outwards in the centre of the side of the open end, a through hole is provided in the middle of the positioning plate, the mould ejector block assembly (4) is sleeved on a bolt through the through hole of the positioning plate, and the positioning plate can be moved towards the open end of the blade mould by screwing the bolt through a nut (6).
4. The blade mould ejector block positioning method according to claim 1, characterized in that a pressing plate (5) is arranged on a threaded cylindrical rod (7) protruding outwards is arranged in the center of the side surface of the blade mould with one end provided with an opening, so that the mould ejector block assembly (4) is uniformly stressed when the bolt is screwed down, and the clamping condition is prevented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811508347.1A CN109703069B (en) | 2018-12-11 | 2018-12-11 | Blade mold ejector block positioning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811508347.1A CN109703069B (en) | 2018-12-11 | 2018-12-11 | Blade mold ejector block positioning method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109703069A CN109703069A (en) | 2019-05-03 |
| CN109703069B true CN109703069B (en) | 2024-02-13 |
Family
ID=66255616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811508347.1A Active CN109703069B (en) | 2018-12-11 | 2018-12-11 | Blade mold ejector block positioning method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109703069B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011107166A1 (en) * | 2010-03-03 | 2011-09-09 | Siemens Aktiengesellschaft | Method and mould for moulding a wind turbine blade |
| CN105172162A (en) * | 2015-08-25 | 2015-12-23 | 西北工业大学 | Forming mould for composite-material fan blade of aero-engine |
| CN105415709A (en) * | 2015-12-16 | 2016-03-23 | 上海晋飞新材料科技有限公司 | Forming process and making die for antiflaming camber beam formed through 3D nylon air duct |
| CN105750491A (en) * | 2016-04-25 | 2016-07-13 | 株洲中航动力精密铸造有限公司 | Hollow blade wax mould forming die and hollow blade wall thickness control method |
| CN205467426U (en) * | 2016-03-02 | 2016-08-17 | 成都飞机工业（集团）有限责任公司 | Be used for fashioned mechanical pressure device of compound material covering |
| CN206967364U (en) * | 2017-07-03 | 2018-02-06 | 四川达宇特种车辆制造厂 | Positioner for the assembling of small-sized fanjet stator component |
| CN108177360A (en) * | 2017-12-25 | 2018-06-19 | 航天神舟飞行器有限公司 | The forming frock and its forming method of unmanned plane composite wing integral panel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3026980B1 (en) * | 2014-10-10 | 2017-03-31 | Snecma | METHOD FOR IMMOBILIZING A PREFORM IN A MOLD |
-
2018
- 2018-12-11 CN CN201811508347.1A patent/CN109703069B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011107166A1 (en) * | 2010-03-03 | 2011-09-09 | Siemens Aktiengesellschaft | Method and mould for moulding a wind turbine blade |
| CN105172162A (en) * | 2015-08-25 | 2015-12-23 | 西北工业大学 | Forming mould for composite-material fan blade of aero-engine |
| CN105415709A (en) * | 2015-12-16 | 2016-03-23 | 上海晋飞新材料科技有限公司 | Forming process and making die for antiflaming camber beam formed through 3D nylon air duct |
| CN205467426U (en) * | 2016-03-02 | 2016-08-17 | 成都飞机工业（集团）有限责任公司 | Be used for fashioned mechanical pressure device of compound material covering |
| CN105750491A (en) * | 2016-04-25 | 2016-07-13 | 株洲中航动力精密铸造有限公司 | Hollow blade wax mould forming die and hollow blade wall thickness control method |
| CN206967364U (en) * | 2017-07-03 | 2018-02-06 | 四川达宇特种车辆制造厂 | Positioner for the assembling of small-sized fanjet stator component |
| CN108177360A (en) * | 2017-12-25 | 2018-06-19 | 航天神舟飞行器有限公司 | The forming frock and its forming method of unmanned plane composite wing integral panel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109703069A (en) | 2019-05-03 |
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