CN109290525A - A kind of new type propeller casting mold structure - Google Patents
A kind of new type propeller casting mold structure Download PDFInfo
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- CN109290525A CN109290525A CN201811170964.5A CN201811170964A CN109290525A CN 109290525 A CN109290525 A CN 109290525A CN 201811170964 A CN201811170964 A CN 201811170964A CN 109290525 A CN109290525 A CN 109290525A
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- die joint
- core
- suction surface
- guide margin
- lagging edge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
A kind of new type propeller casting mold structure, belongs to casting technique field, including mo(u)ld top half identical with blade quantity, the core of one piece of entirety, the mo(u)ld bottom half three parts of one piece of entirety；Using the region between propeller blade root as an individual piecemeal casting mold, which includes part Non-overlapping Domain and propeller hub face at blade as the pressure face and suction surface that the core of casting mold includes at blade root；Mo(u)ld top half identical with blade quantity includes external suction surface, die joint, is combined the piecemeal casting mold of mo(u)ld top half with mo(u)ld bottom half, the block mold of component part.The present invention can reduce the moulding difficult problem of overlapping region at blade root, pass through the setting of middle cored structure, the casting mold thinner thickness for avoiding overlapping region at blade root in traditional propeller parting structure, increases the thickness of casting mold at propeller blade root, improves the intensity of casting mold at also blade root.
Description
Technical field
The invention belongs to casting technique fields, are related to a kind of new type propeller casting mold structure, are particularly suitable for complicated shape
Propeller casting parting.
Background technique
For propeller as typical 3 D complex curved surface part, blade shape is complicated, and blade shape construction when casting faces
Much it is difficult to the technical problem overcome.
Traditional helical blade piece moulding is generally using the method for making real sample trees mould or manual scraper plate fairing moulding, needle
Make the casting mold of pressure face, suction surface respectively to each blade, then together, while propeller hub face is also needed with special work mould assembly
Dress is to realize moulding, and such sculpting method technique is cumbersome, while precision is not high.
Summary of the invention
In order to overcome the problems such as complicated for operation, process is tedious, difficulty is big existing for existing propeller casting and molding technique, this
Invention proposes a kind of new casting mold propeller casting mold structure, using the region between propeller blade root as an individual piecemeal
Casting mold, the piecemeal casting mold as casting mold core include blade root at pressure face and suction surface, while include at blade part it is non-
Overlapping region and propeller hub face；Mo(u)ld top half identical with blade quantity include external suction surface, die joint, by the piecemeal casting mold of mo(u)ld top half with
Mo(u)ld bottom half combination, the block mold of component part, propeller casting mold mould assembly figure are as shown in Figure 2.The structure can reduced proper motion technique, drop
The difficulty of low moulding.
In order to achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of new type propeller casting mold structure, the propeller casting mold include 1, one piece of mo(u)ld top half identical with blade quantity
3 three parts of mo(u)ld bottom half of whole 2, one pieces of entirety of core.
The core 2 is hollow cylinder structure, is set to above 3 central boss of mo(u)ld bottom half, including the pressure at blade root
Suction surface 5, exterior cylindrical die joint 6, propeller hub face 7, hole for hoist 8, core positioning concave stations 9 at face 4, blade root, and the casting mold
Comprising at blade overlapping region and partial blade Non-overlapping Domain, as shown in Figure 3.The pressure face 4 is set to suction surface
Lower section, quantity is consistent with blade quantity, and each pressure face 4 avoids interfering with adjacent hole for hoist；The propeller hub
Medial surface of the face 7 as hollow cylinder, set on the inside cylindrical face of core 2；The suction surface 5 is set on pressure face 4
Its quantity of side is consistent with blade quantity, and each suction surface 5 avoids interfering with adjacent hole for hoist；Exterior cylindrical die joint
6 control the lateral surface of cylindrical body as in, are set to 2 outside cylindrical surface of core.The suction at pressure face 4, blade root at the blade root
The external suction surface 18 in the external pressure face 10 and mo(u)ld top half of power face 5 and mo(u)ld bottom half, which is worked in coordination, constitutes the whole blade of propeller.Institute
The hole for hoist 8 stated is set to the edge of 2 upper and lower surface of core, and quantity is consistent with blade quantity, and each lifting mouth position
It sets and avoids interfering with adjacent pressure face 4 and suction surface 5；Core positioning concave stations 9 are set to 2 bottom end of core, with mo(u)ld bottom half convex
Platform 11 cooperates.
The mo(u)ld bottom half 3 includes external pressure face 10, the positioning convex platform 11 of core, pressure face lagging edge side wall 12, pressure face
Guide margin side wall 13, guide margin die joint 14, lagging edge die joint 15, core cylinder die joint 16, ingate 17.Every piece of outside
Pressure face 10 is all set between guide margin die joint 14 and lagging edge die joint 15 adjacent thereto, after mould assembly be located at its it is corresponding on
18 lower section of suction surface, quantity are consistent with propeller blade quantity outside type；The pressure face lagging edge side wall 12 is set to and it
At adjacent lagging edge die joint 15, cooperate when mould assembly as the lagging edge side wall 20 of positioning surface and propeller mo(u)ld top half.The pressure
Face guide margin side wall 13 is set at guide margin die joint 14 adjacent thereto, as positioning surface and propeller mo(u)ld top half guide margin side when mould assembly
Wall 19 cooperates；Guide margin die joint 14 is set at the guide margin in external pressure face, mutual with the guide margin die joint 14 of mo(u)ld top half after mould assembly
Cooperation；Lagging edge die joint 15 is set at the lagging edge in external pressure face, is cooperated after mould assembly with the lagging edge die joint 15 of mo(u)ld top half；
Inside cylindrical face of the core cylinder die joint as mo(u)ld bottom half is cooperated with the exterior cylindrical die joint 6 of core when mould assembly, core
Positioning convex platform 11 is set to the center of mo(u)ld bottom half open-mouth, is cooperated when mould assembly with the positioning concave stations 9 of core, ingate setting exists
At positioning convex platform 11, using mo(u)ld bottom half center as several through-hole roundlets of the equidistant array in the center of circle.
The mo(u)ld top half 2 includes external suction surface 18, guide margin die joint 14, lagging edge die joint 15, suction surface guide margin side wall
19, suction surface lagging edge side wall 20.The external suction surface 18 is set between guide margin die joint 14 and lagging edge die joint 15, is closed
Positioned at the top in the external pressure face 10 of mo(u)ld bottom half after type, quantity is consistent with propeller blade quantity；Guide margin die joint 14 is set
It is placed at the guide margin of external suction surface 18, cooperates after mould assembly with the guide margin die joint 14 of mo(u)ld bottom half；Lagging edge die joint 15 is arranged
At the lagging edge of external suction surface, cooperate after mould assembly with the lagging edge die joint 15 of mo(u)ld bottom half；Suction surface guide margin side wall 19 is arranged
13 phase of pressure face guide margin side wall vertical with guide margin die joint at guide margin die joint 14, when mould assembly as positioning surface and mo(u)ld bottom half
Mutually cooperation；Suction surface lagging edge side wall 20 is set at lagging edge die joint 15, vertical with lagging edge die joint, as positioning surface when mould assembly
It cooperates with the pressure face lagging edge side wall 12 of mo(u)ld bottom half.
The invention has the advantages that reducing the moulding difficult problem of overlapping region at blade root, pass through setting for middle cored structure
It sets, avoids the casting mold thinner thickness of overlapping region at blade root in traditional propeller parting structure, increase at propeller blade root
The thickness of casting mold improves the intensity of casting mold at also blade root.
Detailed description of the invention
Fig. 1 is propeller part drawing of the invention；
Fig. 2 is propeller casting mold mould assembly figure；
Fig. 3 is propeller casting mold core casting mold figure；It (a) is top view；It (b) is lower view；
Fig. 4 is propeller casting mold mo(u)ld bottom half figure；
Fig. 5 is propeller casting mold mo(u)ld top half figure；
In figure: 1 mo(u)ld top half, 2 core, 3 mo(u)ld bottom halves, the pressure face at 4 blade roots, the suction surface at 5 blade roots, 6 exterior cylindrical partings
Face, 7 propeller hub faces, 8 holes for hoist, 9 core positioning concave stations, 10 external pressure faces, the positioning convex platform of 11 core, 12 pressure faces are with avris
Wall, 13 pressure face guide margin side walls, 14 guide margin die joints, 15 lagging edge die joints, 16 core cylinder die joints, 17 ingates, outside 18
Portion's suction surface, 19 suction surface guide margin side walls, 20 suction surface lagging edge side walls.
Specific embodiment
The present invention is applicable not only to the casting mold parting of all kinds of propellers, and the present invention described below is suitable for the implementation of impeller
Example.
A kind of new propeller casting mold structure, 2, one pieces of core including 1, one piece of entirety of mo(u)ld top half identical with blade quantity
Whole 3 three parts of mo(u)ld bottom half, specific as follows:
The core 2 is hollow cylinder structure, is set to above 3 central boss of mo(u)ld bottom half；Including the pressure at blade root
Suction surface 5, exterior cylindrical die joint 6, propeller hub face 7, hole for hoist 8, core positioning concave stations 9 at face 4, blade root, and the casting mold
Comprising at blade overlapping region and partial blade Non-overlapping Domain, as shown in Figure 3.The pressure face 4 is set to suction surface
Lower section, quantity is consistent with blade quantity, and each pressure face avoids interfering with adjacent hole for hoist；7 conduct of propeller hub face
The medial surface of hollow cylinder, set on the inside cylindrical face of core 2；Suction surface 5 is set to its quantity and blade above pressure face
Blade quantity is consistent, and each pressure face avoids interfering with adjacent hole for hoist；Exterior cylindrical die joint 6 controls cylindrical body in being used as
Lateral surface, be set to 2 outside cylindrical surface of core.Suction surface 5 at pressure face 4, blade root and mo(u)ld bottom half at the blade root it is outer
The external suction surface 18 of portion's pressure face 10 and mo(u)ld top half, which is worked in coordination, constitutes the whole blade of propeller.The hole for hoist 8 is arranged
In the edge of 2 upper and lower surface of core, quantity is consistent with blade quantity, and each lifting mouth position avoid with it is adjacent
Pressure face and suction surface interference；Core positioning concave stations 9 are set to 2 bottom end of core, cooperate with mo(u)ld bottom half positioning convex platform 11.
The mo(u)ld bottom half 3 includes external pressure face 10, the positioning convex platform 11 of core, pressure face lagging edge side wall 12, pressure face
Guide margin side wall 13, guide margin die joint 14, lagging edge die joint 15, core cylinder die joint 16, ingate 17.The external pressure
Face 10, every piece of external pressure face is respectively provided with and it is between adjacent guide margin die joint 14 and lagging edge die joint 15, position after mould assembly
18 lower section of suction surface, quantity are consistent with propeller blade quantity outside its corresponding mo(u)ld top half；Pressure face lagging edge side wall 12 is arranged
At lagging edge die joint adjacent thereto, cooperate when mould assembly as the lagging edge side wall 20 of positioning surface and propeller mo(u)ld top half.Pressure face
Guide margin side wall 13 is set at guide margin die joint adjacent thereto, as positioning surface and propeller mo(u)ld top half guide margin side wall 19 when mould assembly
Cooperation；Guide margin die joint 14 is set at the guide margin in external pressure face, is cooperated after mould assembly with the guide margin die joint 14 of mo(u)ld top half；
Lagging edge die joint 15 is set at the lagging edge in external pressure face, is cooperated after mould assembly with the lagging edge die joint 15 of mo(u)ld top half；Core
Inside cylindrical face of the cylinder die joint as mo(u)ld bottom half is cooperated with the exterior cylindrical die joint 6 of core when mould assembly, core positioning
Boss 11 is set to the center of mo(u)ld bottom half open-mouth, is cooperated when mould assembly with the positioning concave stations 9 of core, ingate setting is positioning
At boss 11, using mo(u)ld bottom half center as several through-hole roundlets of the equidistant array in the center of circle.
The mo(u)ld top half 2 includes external suction surface 18, guide margin die joint 14, lagging edge die joint 15, suction surface guide margin side wall
19, suction surface lagging edge side wall 20.The external suction surface 18 is set between guide margin die joint 14 and lagging edge die joint 15, is closed
Positioned at the top in the external pressure face 10 of mo(u)ld bottom half after type, quantity is consistent with propeller blade quantity；Guide margin die joint 14 is set
It is placed at the guide margin of external suction surface 18, cooperates after mould assembly with the guide margin die joint 14 of mo(u)ld bottom half；Lagging edge die joint 15 is arranged
At the lagging edge of external suction surface, cooperate after mould assembly with the lagging edge die joint 15 of mo(u)ld bottom half；Suction surface guide margin side wall 19 is arranged
13 phase of pressure face guide margin side wall vertical with guide margin die joint at guide margin die joint 14, when mould assembly as positioning surface and mo(u)ld bottom half
Mutually cooperation；Suction surface lagging edge side wall 20 is set at lagging edge die joint 15, vertical with lagging edge die joint, as positioning surface when mould assembly
It cooperates with the pressure face lagging edge side wall 12 of mo(u)ld bottom half.
Claims (1)
1. a kind of new type propeller casting mold structure, which is characterized in that individually using the region between propeller blade root as one
Piecemeal casting mold, core (2) of the piecemeal casting mold as casting mold；Propeller casting mold includes mo(u)ld top half (1) identical with blade quantity, one
The core (2) of block entirety, mo(u)ld bottom half (3) three parts of one piece of entirety；
The core (2) is hollow cylinder structure, is set to above mo(u)ld bottom half (3) central boss, including the pressure at blade root
Suction surface (5), exterior cylindrical die joint (6), propeller hub face (7), hole for hoist (8), core positioning concave stations at face (4), blade root
(9)；The pressure face (4) is set to below suction surface (5), and the two quantity is consistent with blade quantity, each pressure face
(4), suction surface (5) is not interfered with adjacent hole for hoist (8)；The propeller hub face (7) is the medial surface of hollow cylinder, external
Cylinder die joint (6) is the lateral surface of middle control cylindrical body；Suction surface (5) at pressure face (4), blade root at the blade root with
The external pressure face (10) of mo(u)ld bottom half and the external suction surface (18) of mo(u)ld top half work in coordination and constitute the whole blade of propeller；Described
Hole for hoist (8) is set to the edge of core (2) upper and lower surface, and quantity is consistent with blade quantity；Core positioning concave stations (9) are set
In core (2) bottom end, cooperate with mo(u)ld bottom half positioning convex platform (11)；
The mo(u)ld bottom half (3) includes external pressure face (10), the positioning convex platform (11) of core, pressure face lagging edge side wall (12), pressure
Power face guide margin side wall (13), guide margin die joint (14), lagging edge die joint (15), core cylinder die joint (16), ingate (17)；
Every piece of external pressure face (10) is all set between guide margin die joint (14) and lagging edge die joint (15) adjacent thereto,
It is located at outside its corresponding mo(u)ld top half below suction surface (18) after mould assembly, quantity is consistent with propeller blade quantity；The pressure
Face lagging edge side wall (12) is set at lagging edge die joint (15) adjacent thereto；The pressure face guide margin side wall (13) is set to
At guide margin die joint (14) adjacent thereto；The guide margin die joint (14) is set at the guide margin in external pressure face；It is described
Lagging edge die joint (15) be set at the lagging edge in external pressure face；Inside circle of the core cylinder die joint as mo(u)ld bottom half
Cylinder is cooperated with the exterior cylindrical die joint (6) of core when mould assembly, and core positioning convex platform (11) is set to mo(u)ld bottom half open-mouth
Center, cooperated when mould assembly with the positioning concave stations (9) of core, ingate is arranged at positioning convex platform (11), in mo(u)ld bottom half
The heart is several through-hole roundlets of the equidistant array in the center of circle；
The mo(u)ld top half (2) includes external suction surface (18), guide margin die joint (14), lagging edge die joint (15), suction surface guide margin
Side wall (19), suction surface lagging edge side wall (20)；The external suction surface (18) is set to guide margin die joint (14) and lagging edge point
Between type face (15), one is kept positioned at the top in the external pressure face (10) of mo(u)ld bottom half, quantity and propeller blade quantity after mould assembly
It causes；The suction surface lagging edge side wall (20) is set at lagging edge die joint (15), vertical with lagging edge die joint, conduct when mould assembly
The pressure face lagging edge side wall (12) of positioning surface and mo(u)ld bottom half cooperates；The suction surface guide margin side wall (19) is set to guide margin point
Pressure face guide margin side wall (13) phase interworking vertical with guide margin die joint at type face (14), when mould assembly as positioning surface and mo(u)ld bottom half
It closes；Guide margin die joint (14) is set at the guide margin of external suction surface (18), after mould assembly with guide margin die joint (14) phase of mo(u)ld bottom half
Mutually cooperation；Lagging edge die joint (15) is set at the lagging edge of external suction surface, after mould assembly with lagging edge die joint (15) phase of mo(u)ld bottom half
Mutually cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811170964.5A CN109290525B (en) | 2018-10-09 | 2018-10-09 | A kind of new type propeller casting mold structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811170964.5A CN109290525B (en) | 2018-10-09 | 2018-10-09 | A kind of new type propeller casting mold structure |
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| Publication Number | Publication Date |
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| CN109290525A true CN109290525A (en) | 2019-02-01 |
| CN109290525B CN109290525B (en) | 2019-08-09 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5131622A (en) * | 1974-09-11 | 1976-03-17 | Kubota Ltd | SEIMITSUCHUZOYOSHOSHITSUSEIMOKEINOENSHINRYOKUNYORUSEIKEIHO |
| US4975041A (en) * | 1989-05-18 | 1990-12-04 | Fries Steven L | Die assembly for die casting a propeller structure |
| CN101658900A (en) * | 2009-09-24 | 2010-03-03 | 广东省佛山水泵厂有限公司 | Method for manufacturing impeller core |
| CN203268307U (en) * | 2013-05-08 | 2013-11-06 | 舟山市定海区龙叶螺旋桨制造有限公司 | Large-scale propellor |
| CN204934515U (en) * | 2015-09-16 | 2016-01-06 | 威海瑞祥铸造机械有限公司 | Large-scale marine propeller casting endoporus core |
| CN105598385A (en) * | 2015-12-15 | 2016-05-25 | 芜湖福记恒机械有限公司 | Propeller casting molding method |
-
2018
- 2018-10-09 CN CN201811170964.5A patent/CN109290525B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5131622A (en) * | 1974-09-11 | 1976-03-17 | Kubota Ltd | SEIMITSUCHUZOYOSHOSHITSUSEIMOKEINOENSHINRYOKUNYORUSEIKEIHO |
| US4975041A (en) * | 1989-05-18 | 1990-12-04 | Fries Steven L | Die assembly for die casting a propeller structure |
| CN101658900A (en) * | 2009-09-24 | 2010-03-03 | 广东省佛山水泵厂有限公司 | Method for manufacturing impeller core |
| CN203268307U (en) * | 2013-05-08 | 2013-11-06 | 舟山市定海区龙叶螺旋桨制造有限公司 | Large-scale propellor |
| CN204934515U (en) * | 2015-09-16 | 2016-01-06 | 威海瑞祥铸造机械有限公司 | Large-scale marine propeller casting endoporus core |
| CN105598385A (en) * | 2015-12-15 | 2016-05-25 | 芜湖福记恒机械有限公司 | Propeller casting molding method |
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| Publication number | Publication date |
|---|---|
| CN109290525B (en) | 2019-08-09 |
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