CN218966211U - Unmanned aerial vehicle cold air duct forming die - Google Patents
Unmanned aerial vehicle cold air duct forming die Download PDFInfo
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- CN218966211U CN218966211U CN202223319267.6U CN202223319267U CN218966211U CN 218966211 U CN218966211 U CN 218966211U CN 202223319267 U CN202223319267 U CN 202223319267U CN 218966211 U CN218966211 U CN 218966211U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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Abstract
The utility model relates to the field of composite material product forming dies, in particular to an unmanned aerial vehicle cold air duct forming die, which comprises: a bottom plate; the lower connecting block is vertically and detachably connected to the center position of the upper surface of the bottom plate; the core mold is detachably connected to the lower connecting block; a lower flange plate detachably connected to an outer wall surface of the core mold; an upper flange plate detachably connected to the outer wall surface of the core mold, the upper flange plate being located above the lower flange plate; and the upper connecting block is detachably connected to the top end of the core mold. The utility model adopts a plurality of core mold blocks to form the core mold, so that the problem that the demolding of the special-shaped product formed by bag pressing is difficult is effectively solved, and the complete demolding is realized by sequentially extracting the core mold blocks.
Description
Technical Field
The utility model relates to the field of composite material product forming dies, in particular to an unmanned aerial vehicle cold air duct forming die.
Background
The unmanned plane has the advantages of small size, light weight, wide application and the like, and plays an increasingly important role in the fields of national defense and civil use. The requirements on materials are higher and higher, and the characteristics of designability, low density and the like of the composite material can meet the application requirements of the unmanned aerial vehicle. The cold air pipeline is a key component of the unmanned aerial vehicle pneumatic system, provides air flow for the engine, and strong air flow enters the cold air pipeline in the operation process of the unmanned aerial vehicle to form strong internal pressure, so that the cold air pipeline part is required to meet the strength and rigidity requirements, the pneumatic requirements are also required to be met, the inner surface and the outer surface of the main body are required to be smooth, and the inner surface must meet the unimpeded circulation of the air flow.
In the past, the cold air duct with the type has the defects of large structural torsion, high requirements on the inner surface and the outer surface, large design difficulty of the integral forming die of parts, difficult die processing, high die cost, difficult demolding and low economic benefit, and is difficult to ensure mass production of products. In order to meet the quality and production efficiency of the inner surface and the outer surface of the part, the cold air pipeline part is designed to be integrally bonded after two parts are respectively molded, the molding mode needs two sets of part molding dies and one set of part bonding positioning tool, the part positioning and bonding operation is difficult, the quality after bonding is extremely difficult to ensure, the molding method ensures the production of products to a certain extent, but the problems of a large number of dies and tools, complicated molding procedures, infirm bonding, low product yield and the like exist.
In order to improve the production efficiency of the product, reduce the manufacturing difficulty of the product, ensure the overall strength of the product, reduce the requirements of customers on the outer surface of the product, only require the inner surface to be smooth and the outer surface to be uniform. A special forming die is designed for the decision, the product can be integrally formed, forming procedures are reduced, production efficiency is improved, and the integral strength of the product is ensured.
Disclosure of Invention
The application provides an unmanned aerial vehicle cold air duct forming die has solved the high problem of cold air duct preparation degree of difficulty, has realized that the drawing of patterns is convenient to guarantee inside smoothness simultaneously.
The technical problems solved by the utility model can be realized by adopting the following technical scheme:
an unmanned aerial vehicle cold air duct forming die, includes:
a bottom plate;
the lower connecting block is vertically and detachably connected to the center position of the upper surface of the bottom plate;
the core mold is detachably connected to the lower connecting block;
a lower flange plate detachably connected to an outer wall surface of the core mold;
an upper flange plate detachably connected to the outer wall surface of the core mold, the upper flange plate being located above the lower flange plate;
and the upper connecting block is detachably connected to the top end of the core mold.
Further, the core mold is composed of a plurality of core mold blocks, the plurality of core mold blocks are at least provided with a right-angle side, and the plurality of core mold blocks are mutually attached by at least two surfaces.
Further, slots are formed in the centers of the upper surfaces and the lower surfaces of the lower connecting block and the upper connecting block, and the bottom ends and the top ends of the core mold blocks are respectively inserted into the slots of the upper surfaces and the lower surfaces of the lower connecting block and the upper connecting block.
Further, a plurality of threaded holes are formed in the outer surfaces of the lower connecting block and the upper connecting block, the threaded holes correspond to one surface of the core mold blocks respectively, jackscrews are connected in the threaded holes in a threaded mode, and the jackscrews are in contact with the core mold blocks.
Further, the upper flange plate and the lower flange plate are detachably connected to the outer wall surface of the core mold in a clearance fit.
Further, both sides at both ends about the mandrel can be dismantled respectively and be connected with connecting piece and lower connecting piece, a pair of go up connecting piece and lower connecting piece can be dismantled respectively and connect the mandrel sub-block that is located the mandrel both sides, a pair of go up connecting piece can dismantle with the upper surface of last flange board and be connected, a pair of lower connecting piece can dismantle with the lower surface of lower flange board and be connected.
Further, a first pin hole is formed in the upper connecting piece and the lower connecting piece, a second pin hole is formed in the positions, corresponding to the first pin hole, of the upper flange and the lower flange respectively, and a positioning pin is inserted between the adjacent first pin hole and the adjacent second pin hole.
The beneficial effects of the utility model are as follows: because the core mould adopts a plurality of core mould blocks to form, the problem that the demoulding of the special-shaped product formed by bag pressing is difficult is effectively solved, and the complete demoulding is realized by sequentially extracting the core mould blocks.
Due to the adoption of the bottom plate, the problem that the core mold needs to be erected during bag press molding is effectively solved, and further the core mold can be kept erected by placing the bottom plate on a plane formed by flattening.
Because the upper connecting block and the lower connecting block are adopted, the core mold blocks are limited through the slots of the upper connecting block and the lower connecting block, and the core mold blocks are conveniently gathered and molded.
Because the jackscrews are adopted, the core mold blocks are independently adjusted through each jackscrew, so that the step difference of the splicing seam of the core mold blocks is adjusted, and the step difference of the splicing seam meets the design requirement.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic diagram showing the insertion of the core module and the lower connecting block of the present utility model.
In the figure: 1-a bottom plate; 2-a lower connecting block; 3-core mold; 31-core module division; 4-a lower flange plate; 5-an upper flange plate; 6-an upper connecting block; 7-jackscrews; 8-upper connectors; 9-a lower connector; 10-locating pins.
Detailed Description
Example 1:
referring to fig. 1-2, which are schematic structural diagrams of embodiment 1 of the present utility model, an unmanned aerial vehicle cold air duct forming mold includes:
a base plate 1;
the lower connecting block 2 is vertically and detachably connected to the central position of the upper surface of the bottom plate 1;
a core mold 3, the core mold 3 being detachably connected to the lower connection block 2;
a lower flange plate 4, the lower flange plate 4 being detachably attached to an outer wall surface of the core mold 3;
an upper flange plate 5, the upper flange plate 5 being detachably attached to the outer wall surface of the core mold 3, and the upper flange plate 5 being located above the lower flange plate 4;
an upper connection block 6, the upper connection block 6 being detachably connected to the top end of the core mold 3.
When in actual use, the method comprises the following steps: the base plate 1, the lower connecting block 2, the core mold 3, the lower flange plate 4, the upper flange plate 5 and the upper connecting block 6 are sequentially assembled, after the assembly, materials of products are attached to the opposite surfaces of the lower flange plate 4 and the upper flange plate 5 and the outer surface of the core mold 3 between the lower flange plate 4 and the upper flange plate 5, then heat curing treatment is carried out, during demolding, the lower flange plate 4 and the upper flange plate 5 are detached from the core mold 3, then the core mold 3 is separated from the lower connecting block 2 and the upper connecting block 6, then the lower flange plate 4 and the upper flange plate 5 are separated from the core mold by holding the products, and then the core mold 3 is taken out.
Example 2:
referring to fig. 1-2, the present embodiment differs in that: the core mold 3 is composed of a plurality of core mold blocks 31, the plurality of core mold blocks 31 are provided with at least one right-angle side, and the plurality of core mold blocks 31 are mutually attached by at least two surfaces.
When in actual use, the method comprises the following steps: the core mold blocks 31 can be tightly attached together through the right-angle edges, so that the step difference of the splicing seam between the core mold blocks is small, and the core mold blocks 31 are sequentially pulled out during demolding, so that demolding is facilitated.
In this embodiment, the number of the core mold segments 31 is nine, and the core mold segments 31 are distributed in a "well" shape, and the bottom end section of the core mold segment 31 is larger than the top end section, where the bottom end section of the core mold segment 31 located in the center may be equal to the top end section, or the top end is smaller than the bottom end section, or the core mold segment is isosceles trapezoid and has a rectangular section.
In the embodiment, the step difference of the splicing seam of the core module 31 is smaller than 0.2mm.
Example 3:
referring to fig. 1-2, the present embodiment differs in that: slots are formed in the centers of the upper surfaces and the lower surfaces of the lower connecting block 2 and the upper connecting block 6, and the bottom ends and the top ends of the core mold blocks 31 are respectively inserted into the slots of the upper surfaces and the lower surfaces of the lower connecting block 2 and the upper connecting block 6.
When in actual use, the method comprises the following steps: the core mold split 31 is sequentially inserted into slots of the lower connecting block 2, then the upper flange plate 4, the lower flange plate 5 and the upper flange plate 5 are sequentially and detachably connected to the outer surface of the core mold split 31, then the slots of the upper connecting block 6 are sleeved on the top end of the core mold split 31, and the core mold split 31 is limited through the lower connecting block 2 and the upper connecting block 6 to form a complete core mold 3.
Example 4:
referring to fig. 1, the present embodiment is different in that: the outer surfaces of the lower connecting block 2 and the upper connecting block 6 are provided with a plurality of threaded holes, the threaded holes respectively correspond to one surface of the core mold split 31, jackscrews 7 are connected in the threaded holes in a threaded mode, and the jackscrews 7 are in contact with the core mold split 31.
When in actual use, the method comprises the following steps: by screwing the jackscrews 7, the core mold blocks 31 can be tightly attached together, and then the step difference of the splicing seams between the core mold blocks 31 is adjusted.
Example 5:
referring to fig. 1-2, the present embodiment differs in that: the upper flange plate 5 and the lower flange plate 4 are detachably connected to the outer wall surface of the core mold 3 in a clearance fit manner.
When in actual use, the method comprises the following steps: by the clearance fit, the gap between the upper flange plate 5 and the lower flange plate 4 and the core mold 3 is reduced, and unnecessary protrusions are prevented from occurring when the product is subjected to bag molding.
In this embodiment, the upper flange plate 5 and the lower flange plate 4 are detachably attached to the core mold 3 so as to be inclined. Thereby meeting the product requirements.
Example 6:
referring to fig. 1-2, the present embodiment differs in that: the two sides of the upper end and the lower end of the core mold 3 are respectively and detachably connected with an upper connecting piece 8 and a lower connecting piece 9, a pair of the upper connecting piece 8 and the lower connecting piece 9 are respectively and detachably connected with core mold split blocks 31 positioned on the two sides of the core mold 3, a pair of the upper connecting piece 8 is detachably connected with the upper surface of the upper flange plate 5, a pair of the lower connecting pieces, and a pair of the lower connecting pieces 9 are detachably connected with the lower surface of the lower flange plate 4.
When in actual use, the method comprises the following steps: the upper and lower connection members 8 and 9 are respectively connected with the core mold block 31 by bolts such that the two upper connection members 8 and the two lower connection members 9 are respectively located at both sides of the core mold 3, and then the upper and lower flange plates 5 and 4 are positioned and connected by the upper and lower connection members 8 and 9, thereby defining that the upper and lower flange plates 5 and 4 are positioned outside the core mold 3 at a specific angle.
Example 7:
referring to fig. 1, the present embodiment is different in that: the upper connecting piece 8 and the lower connecting piece 9 are provided with first pin holes, the positions of the upper flange plate 5 and the lower flange plate 4 corresponding to the first pin holes are provided with second pin holes, and positioning pins 10 are inserted between the adjacent first pin holes and the adjacent second pin holes.
When in actual use, the method comprises the following steps: the upper flange plate 5 and the lower flange plate 4 are positioned through the positioning pins 10, so that the positions and the inclination angles of the upper flange plate 5 and the lower flange plate 4 can be limited, and the disassembly and the splicing are convenient.
In this embodiment, the upper connecting piece 8 and the lower connecting piece 9 can be connected and fixed with the upper flange plate 5 and the lower flange plate 4 through bolts, so that the upper flange plate 5 and the lower flange plate 4 cannot move in series.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the scope of the knowledge of those skilled in the art without departing from the spirit of the present utility model, which is within the scope of the present utility model.
Claims (7)
1. Unmanned aerial vehicle cold air duct forming die, its characterized in that includes:
a bottom plate (1);
the lower connecting block (2) is vertically and detachably connected to the center of the upper surface of the bottom plate (1);
the core mould (3) is detachably connected to the lower connecting block (2);
a lower flange plate (4), wherein the lower flange plate (4) is detachably connected to the outer wall surface of the core mold (3);
the upper flange plate (5) is detachably connected to the outer wall surface of the core mold (3), and the upper flange plate (5) is positioned above the lower flange plate (4);
and the upper connecting block (6) is detachably connected to the top end of the core mold (3).
2. The cold air duct forming die of the unmanned aerial vehicle according to claim 1, wherein the core die (3) is composed of a plurality of core die blocks (31), the plurality of core die blocks (31) are provided with at least one right-angle side, and the plurality of core die blocks (31) are mutually attached by at least two surfaces.
3. The cold air duct forming die for the unmanned aerial vehicle according to claim 2, wherein slots are formed in the centers of the upper surface and the lower surface of the lower connecting block (2) and the upper connecting block (6), and the bottom ends and the top ends of the core mold split blocks (31) are respectively inserted into the slots of the upper surface and the lower surface of the lower connecting block (2) and the upper connecting block (6).
4. The cold air duct forming die for the unmanned aerial vehicle according to claim 3, wherein a plurality of threaded holes are formed in the outer surfaces of the lower connecting block (2) and the upper connecting block (6), the plurality of threaded holes respectively correspond to one surface of the core mold blocks (31), jackscrews (7) are connected in the threaded holes in a threaded mode, and the jackscrews (7) are in contact with the core mold blocks (31).
5. The cold air duct forming die for the unmanned aerial vehicle according to claim 2, wherein the upper flange plate (5) and the lower flange plate (4) are detachably connected to the outer wall surface of the core die (3) in a clearance fit manner.
6. The cold air duct forming die for the unmanned aerial vehicle according to claim 5, wherein an upper connecting piece (8) and a lower connecting piece (9) are detachably connected to two sides of the upper end and the lower end of the core die (3), a pair of the upper connecting piece (8) and the lower connecting piece (9) are detachably connected to core die blocks (31) located on two sides of the core die (3), a pair of the upper connecting piece (8) and the upper surface of the upper flange plate (5) are detachably connected, a pair of the lower connecting piece, and a pair of the lower connecting piece (9) and the lower surface of the lower flange plate (4) are detachably connected.
7. The cold air duct forming die for the unmanned aerial vehicle according to claim 6, wherein first pin holes are formed in the upper connecting piece (8) and the lower connecting piece (9), second pin holes are formed in the positions, corresponding to the first pin holes, of the upper flange plate (5) and the lower flange plate (4), respectively, and positioning pins (10) are inserted between the adjacent first pin holes and the adjacent second pin holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223319267.6U CN218966211U (en) | 2022-12-10 | 2022-12-10 | Unmanned aerial vehicle cold air duct forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223319267.6U CN218966211U (en) | 2022-12-10 | 2022-12-10 | Unmanned aerial vehicle cold air duct forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218966211U true CN218966211U (en) | 2023-05-05 |
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ID=86161307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223319267.6U Active CN218966211U (en) | 2022-12-10 | 2022-12-10 | Unmanned aerial vehicle cold air duct forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218966211U (en) |
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2022
- 2022-12-10 CN CN202223319267.6U patent/CN218966211U/en active Active
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