CN217142230U - Injection mold for helicopter rotor counterweight casting - Google Patents
Injection mold for helicopter rotor counterweight casting Download PDFInfo
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- CN217142230U CN217142230U CN202220435961.5U CN202220435961U CN217142230U CN 217142230 U CN217142230 U CN 217142230U CN 202220435961 U CN202220435961 U CN 202220435961U CN 217142230 U CN217142230 U CN 217142230U
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Abstract
The utility model relates to an injection mold technical field specifically is an injection mold for helicopter rotor counter weight foundry goods, include: the device comprises a crucible, a left die and a right die; the top surface of the crucible is provided with a melting groove for containing metal melt, the bottom surface of the crucible is provided with a clamping block, and the bottom wall of the melting groove is provided with a plurality of injection molding holes penetrating through the clamping block; the left die and the right die are respectively clamped on the left side and the right side of the clamping block, and die grooves communicated with the injection molding holes are formed in opposite surfaces of the left die and the right die. The utility model discloses when using, only need operating personnel to place the metal melt on the crucible to make the molten metal after melting get into the mould groove and pour into the mould through the action of gravity behind the high temperature heating, wait the mould cooling after take off the foundry goods can, easy operation improves the production efficiency of counter weight foundry goods, and the operation is comparatively safe, convenient to use.
Description
Technical Field
The utility model relates to an injection mold technical field specifically is an injection mold for helicopter rotor counter weight foundry goods.
Background
At present, when the parts of the main rotor system of the helicopter are designed, the safety of the system is ensured, meanwhile, dangerous vibration of the rotor is prevented, an important parameter of the rotor blade is the effective transverse gravity center, the static and dynamic balance design of the blade is used for ensuring the parameters to be in a required range, wherein, in order to realize the static balance of the blade, a balance weight is used in the design, and a balance weight casting of the balance weight adopts metal casting with relatively low melting point for the convenience of production.
The existing balance weight casting is completed by adopting an injection molding process, molten metal is heated and melted in a boiler, then the melted molten metal is taken out and poured on a mold, the operation needs production personnel to hold the molten metal out of the boiler, and pouring operation is completed before the molten metal is not solidified, so that the production efficiency is low, and certain potential safety hazards exist. In view of the above, we propose an injection mold for a helicopter rotor counterweight casting.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a helicopter rotor is injection mold for counter weight foundry goods to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an injection mold for helicopter rotor counter weight foundry goods includes: the device comprises a crucible, a left die and a right die;
the top surface of the crucible is provided with a melting groove for containing metal melt, the bottom surface of the crucible is provided with a clamping block, and the bottom wall of the melting groove is provided with a plurality of injection molding holes penetrating through the clamping block;
the left die and the right die are respectively clamped on the left side and the right side of the clamping block, and die grooves communicated with the injection molding holes are formed in opposite surfaces of the left die and the right die.
Preferably, the upper surfaces of the left die and the right die are provided with clamping gaps, and the left die and the right die are clamped on the left side and the right side of the clamping block through the clamping gaps.
Preferably, a plurality of connecting holes are formed in the clamping gap, and the mold groove is communicated with the injection molding hole through the connecting holes.
Preferably, cover plates are arranged on two sides of the left mold and the right mold, one side of each cover plate is fixedly connected with the left mold through a first bolt, and the other side of each cover plate is fixedly connected with the right mold through a second bolt.
Preferably, the surfaces of the left and right molds are coated with a paint separating agent.
Compared with the prior art, the beneficial effects of the utility model are that: this helicopter rotor is injection mold for counter weight foundry goods only needs operating personnel to place the metal melt on the crucible when using to make the molten metal after melting get into the mould groove through action of gravity behind the high temperature heating and pour into the mould, wait the mould cooling after take off the foundry goods can, easy operation improves the production efficiency of counter weight foundry goods, and the operation process is comparatively safe, convenient to use.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a crucible in the present invention;
fig. 3 is the utility model discloses the structure split sketch map of well left mould and right mould.
In the figure: 1. a crucible; 11. a melting tank; 12. a clamping block; 13. injection molding holes; 2. a left mold; 3. a right mold; 4. a mold slot; 41. clamping the notch; 42. connecting holes; 5. a cover plate; 51. a first bolt; 52. and a second bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-3, the present invention provides a technical solution:
an injection mold for helicopter rotor counter weight foundry goods includes: a crucible 1, a left mold 2 and a right mold 3; the top surface of the crucible 1 is provided with a melting tank 11 for containing metal melt, the bottom surface of the crucible 1 is provided with a clamping block 12, and the bottom wall of the melting tank 11 is provided with a plurality of injection molding holes 13 penetrating through the clamping block 12; the left die 2 and the right die 3 are respectively clamped at the left side and the right side of the clamping block 12, and the opposite surfaces of the left die 2 and the right die 3 are provided with die grooves 4 communicated with injection molding holes 13. Therefore, in the injection molding process of the helicopter rotor counterweight casting, the left mold 2 and the right mold 3 are clamped and fixed at the left side and the right side of the clamping block 12 at the bottom of the crucible 1, the molten metal is placed in the melting tank 11 and heated and melted into molten metal, the molten metal after melting flows into the mold grooves 4 on the opposite surfaces of the left mold 2 and the right mold 3 through the injection molding holes 13, the molten metal is cooled and solidified to form the counterweight casting with fixed specification, compared with the traditional injection mold, the injection mold of the embodiment only needs an operator to place the molten metal on the crucible 1 when in use, and the molten metal after being heated at high temperature enters the mold grooves 4 through the action of gravity to be cast into a mold, and the casting can be taken down after the mold is cooled.
It should be noted that the upper surfaces of the left mold 2 and the right mold 3 are provided with clamping notches 41, and the left mold 2 and the right mold 3 are clamped on the left and right sides of the clamping block 12 through the clamping notches 41. The left die 2 and the right die 3 are symmetrically clamped on the left side and the right side of the clamping block 12 through the clamping notches 41, so that molten metal in the crucible 1 can smoothly enter the die groove 4 from the melting groove 11, and the phenomenon of high defective rate of products caused by irregular buckling is avoided.
Further, a plurality of connecting holes 42 are formed in the clamping notch 41, and the mold groove 4 is communicated with the injection molding hole 13 through the connecting holes 42. The molten metal can naturally flow downwards into the mold groove 4 through the connecting hole 42 under the action of gravity, and the operation is simple and convenient.
Specifically, the cover plates 5 are arranged on two sides of the left mold 2 and the right mold 3, one side of each cover plate 5 is fixedly connected with the left mold 2 through a first bolt 51, and the other side of each cover plate 5 is fixedly connected with the right mold 3 through a second bolt 52. Be convenient for make left mould 2 and right mould 3 align through apron 5, play the effect of fixed mould groove 4 shapes, and can be firm with centre gripping breach 41 and the 12 centre gripping of clamp splice, improve injection mold's stability in use.
In addition, the surfaces of the left mold 2 and the right mold 3 are coated with the paint separating agent, so that when the molds are demolded by the paint separating agent, the surfaces of the molded metal castings can smoothly fall off from the inner wall of the mold groove 4.
When the injection mold for the helicopter rotor wing counterweight casting is used, the left mold 2 and the right mold 3 are clamped and fixed at the left side and the right side of the clamping block 12 at the bottom of the crucible 1, and the molten metal is placed in the melting tank 11 to be heated and melted into molten metal, the molten metal flows into the die grooves 4 on the opposite surfaces of the left die 2 and the right die 3 through the injection holes 13, and after the molten metal is cooled and solidified, a counterweight casting with fixed specification is formed, compared with the traditional injection mold, the injection mold of the embodiment only needs an operator to place the metal melt on the crucible 1 when in use, and after high-temperature heating, molten metal enters the die groove 4 through the action of gravity to be poured into a die, and after the die is cooled, the casting is taken down.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a helicopter rotor is injection mold for counter weight foundry goods which characterized in that includes: the crucible comprises a crucible (1), a left die (2) and a right die (3);
a melting groove (11) for containing metal melt is formed in the top surface of the crucible (1), a clamping block (12) is arranged on the bottom surface of the crucible (1), and a plurality of injection molding holes (13) penetrating through the clamping block (12) are formed in the bottom wall of the melting groove (11);
the left die (2) and the right die (3) are respectively clamped at the left side and the right side of the clamping block (12), and die grooves (4) communicated with the injection molding holes (13) are formed in opposite surfaces of the left die (2) and the right die (3).
2. An injection mold for a helicopter rotor counterweight casting according to claim 1, wherein: the upper surfaces of the left die (2) and the right die (3) are provided with clamping notches (41), and the left die (2) and the right die (3) are clamped on the left side and the right side of the clamping block (12) through the clamping notches (41).
3. An injection mold for a helicopter rotor counterweight casting according to claim 2, wherein: the clamping gap (41) is provided with a plurality of connecting holes (42), and the mold groove (4) is communicated with the injection molding hole (13) through the connecting holes (42).
4. An injection mold for a helicopter rotor counterweight casting according to claim 1, wherein: both sides of left side mould (2) and right mould (3) all are provided with apron (5), one side of apron (5) through first bolt (51) with left side mould (2) are connected fixedly, the opposite side of apron (5) through second bolt (52) with right side mould (3) are connected fixedly.
5. An injection mold for a helicopter rotor counterweight casting according to any of claims 1-4, wherein: the surfaces of the left mold (2) and the right mold (3) are coated with paint separating agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220435961.5U CN217142230U (en) | 2022-03-02 | 2022-03-02 | Injection mold for helicopter rotor counterweight casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220435961.5U CN217142230U (en) | 2022-03-02 | 2022-03-02 | Injection mold for helicopter rotor counterweight casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217142230U true CN217142230U (en) | 2022-08-09 |
Family
ID=82692278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220435961.5U Active CN217142230U (en) | 2022-03-02 | 2022-03-02 | Injection mold for helicopter rotor counterweight casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217142230U (en) |
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2022
- 2022-03-02 CN CN202220435961.5U patent/CN217142230U/en active Active
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