CN220517311U - Unmanned aerial vehicle centre cabin integrated into one piece is with mould - Google Patents
Unmanned aerial vehicle centre cabin integrated into one piece is with mould Download PDFInfo
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- CN220517311U CN220517311U CN202322181537.XU CN202322181537U CN220517311U CN 220517311 U CN220517311 U CN 220517311U CN 202322181537 U CN202322181537 U CN 202322181537U CN 220517311 U CN220517311 U CN 220517311U
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- 238000007723 die pressing method Methods 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004321 preservation Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
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- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
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- 238000001514 detection method Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
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- 238000011835 investigation Methods 0.000 description 1
- 239000012160 loading buffer Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a die for integrally forming a central cabin of an unmanned aerial vehicle, which comprises an upper die, a lower die and a core die, wherein the upper die and the lower die are mutually buckled; the upper die comprises an upper cavity die with an upper die cavity, and the lower die comprises a lower cavity die with a lower die cavity; according to the mold, the prepreg is paved on the surface of the core mold, then the core mold paved with the prepreg is placed in the upper mold cavity and the lower mold cavity, the molding press is used for providing pressure to realize the integral molding of the unmanned aerial vehicle center cabin, and the requirement on the tightness of the mold in the molding process is low; the core mold adopts a split detachable structure, and when in demolding, the middle core mold can be pulled out first, so that the demolding is convenient; in the die, the upper die and the lower die are positioned in multiple ways, so that the die clamping precision is ensured, and the arrangement of the connecting and locking structure can provide pretightening force for the die, so that the product achieves the preforming effect before the die pressing process.
Description
[ field of technology ]
The utility model belongs to the technical field of unmanned aerial vehicle manufacturing, and particularly relates to a die for integrally forming a central cabin of an unmanned aerial vehicle.
[ background Art ]
The unmanned plane is mainly used as a target plane and completes military investigation in military application; in the civil field, the most common is a rotor unmanned aerial vehicle model and a fixed wing unmanned aerial vehicle, and the rotor unmanned aerial vehicle is mainly applied to agriculture and forestry plant protection, electric power inspection, emergency disaster relief, scientific detection and commercial aerial photography.
For composite material unmanned aerial vehicle products, the central cabin is its core part for place unmanned aerial vehicle's flight control system, battery module etc. and be main bearing part, unmanned aerial vehicle central cabin on the market is mostly split type at present, first make upper and lower two parts structure of central cabin respectively, then connect the upper and lower two parts of central cabin through structural adhesive or adhesive tape, make it form a whole, but the central cabin is born the weight of the in-process for a long time, and the junction easily appears fracture, damage, seriously influences unmanned aerial vehicle's life.
Patent CN214447732U an unmanned aerial vehicle cabin integrated into one piece mould discloses can be with unmanned aerial vehicle cabin integrated into one piece's mould, and this mould adopts high temperature bag to press technology, and is higher to the leakproofness requirement of mould, and the mould is sealed not good, influences the product shaping.
[ utility model ]
In order to make up the defect of prior art, this application provides a unmanned aerial vehicle centre cabin mould for integrated into one piece.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the die for integrally forming the unmanned aerial vehicle center cabin comprises an upper die, a lower die and a core die, wherein the upper die and the lower die are mutually buckled, and the core die is arranged between the upper die and the lower die;
the upper die comprises an upper die plate and an upper cavity die connected with the lower surface of the upper die plate, an upper die cavity recessed inwards is arranged on the lower surface of the upper cavity die, and an upper heat exchange tube is laid in the upper cavity die;
the lower die comprises a lower die plate and a lower cavity die connected to the lower die plate, a lower die cavity which is concave inwards is formed in the upper surface of the lower cavity die, and a lower heat exchange tube is paved in the lower cavity die;
the core mold comprises an upper core mold, a middle core mold and a lower core mold which are detachably connected.
Preferably, the top of last die cavity mould and the bottom of lower die cavity mould all are provided with the baffle, can prevent heat to keeping away from last die cavity and lower die cavity one side transmission in the heating process, play heat preservation, thermal-insulated effect, and in the mould opening and shutting in-process, can also play the loaded cushioning effect.
Preferably, the material of the partition plate is a heat-insulating material, and specifically, the partition plate can be high-temperature-resistant rubber, nylon or quartz cotton plate.
Preferably, four corners of the lower cavity die are also respectively provided with a guide shaft, the bottoms of the guide shafts are fixed on the lower die plate, and the upper cavity die is correspondingly provided with guide holes for guiding the die assembly of the upper die and the lower die.
Preferably, a positioning groove is formed in the edge of the lower surface of the upper cavity die, and a positioning protrusion is formed in the edge of the upper surface of the lower cavity die and matched with the positioning groove for positioning connection of the upper cavity die and the lower cavity die.
Preferably, a positioning hole is further formed in the lower surface and the positioning groove of the upper cavity die, and a positioning column matched with the positioning hole is further arranged on the upper surface and the positioning protrusion of the lower cavity die, so that positioning is further provided for the upper cavity die and the lower cavity die.
Preferably, the lower die plate is provided with an air cylinder, an ejector rod connected with the air cylinder is arranged in the lower die cavity die, and the air cylinder is utilized to drive the ejector rod to lift, so that the core die is ejected out, and the die stripping is facilitated.
Preferably, the surfaces of the upper core mold, the middle core mold and the lower core mold, which are contacted, are provided with draft angles of 1.5-3 degrees.
Preferably, the upper heat exchange tube and the lower heat exchange tube are laid in a staggered and communicated mode of the transverse tube and the longitudinal tube, and are heated uniformly.
The bottom of the upper heat exchange tube and the top of the lower heat exchange tube are respectively connected with heat conducting columns which are respectively arranged in the upper cavity die and the lower cavity die and on the side surfaces of the upper cavity die and the lower cavity die.
Preferably, the side surface of the lower die is provided with a connecting locking structure connected with the upper die.
Preferably, the side surfaces of the upper cavity die and the lower cavity die are also respectively provided with a hoisting structure, so that the die is convenient to hoist in the process of disassembly and transportation.
Preferably, the upper template and the lower template are respectively provided with a connecting buckle for being connected with a molding press.
Compared with the prior art, the utility model has the following beneficial effects:
according to the mold, the prepreg is paved on the surface of the core mold, then the core mold paved with the prepreg is placed in the upper mold cavity and the lower mold cavity, the mold press is used for providing pressure to realize the integral molding of the unmanned aerial vehicle center cabin, and the requirement on the tightness of the mold is low; the core mold adopts a split structure, and when in demolding, the middle core mold can be pulled out first, so that the demolding is convenient;
the upper heat exchange tube and the lower heat exchange tube in the die can provide uniform heat for the composite material on the core die, and the heat conduction column arranged on the upper heat exchange tube can rapidly transfer the heat to the side surface of the core die, so that each surface of a product can be uniformly heated;
the partition board can prevent heat from being transferred to the upper die plate and the lower die plate, has the effects of heat preservation and heat insulation, and can also play a role in loading and buffering in the process of opening and closing the die;
in the die, the upper die and the lower die are positioned in multiple ways, so that the die clamping precision is ensured, and the arrangement of the connecting and locking structure can provide pretightening force for the die, so that the product achieves the preforming effect before the die pressing process;
according to the utility model, a plurality of sets of core dies can be configured on each set of upper die and lower die in the die, so that the compression molding and paving processes are simultaneously carried out, the working efficiency is improved, and the production cost is reduced.
[ description of the drawings ]
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a mold according to the present utility model;
FIG. 2 is a schematic view of the upper die structure of the die according to the present utility model;
FIG. 3 is a schematic view of the structure of the lower die in the die according to the present utility model;
fig. 4 is a schematic view of the structure of a core mold in the mold according to the present utility model;
FIG. 5 is a schematic view showing the arrangement of the lower heat exchange tube according to the present utility model;
FIG. 6 is a schematic view of the structure of the connecting and locking structure of the present utility model;
wherein: 1-upper die; 101-an upper template; 102-upper cavity mold; 1021-upper mold cavity; 1022-positioning grooves; 1023-guide holes; 1024-positioning holes; 1025-an oil inlet; 103-upper partition; 2-lower die; 201-lower template; 202-a lower cavity mold; 2021-lower mold cavity; 2022-positioning the protrusions; 2023-guide shaft; 2024-positioning columns; 2025-lower heat exchange tube; 2026-heat conductive columns; 203-a lower separator; 3-core mold; 301-upper core mold; 302-an intermediate mandrel; 303-lower core mold; 4-a hoisting structure; 5-connecting a buckle; 6-connecting and locking structure; 601-connecting plates; 602-elongated holes; 7-cylinder; 8-ejector rod.
[ detailed description ] of the utility model
The present utility model will be further described with reference to the drawings and the specific embodiments thereof in order to make the objects, technical solutions and advantages of the present utility model more apparent.
As shown in fig. 1 to 5, the utility model discloses a die for integrally forming a central cabin of an unmanned aerial vehicle, which comprises an upper die 1, a lower die 2 and a core die 3, wherein the upper die 1 and the lower die 2 are mutually buckled, and the core die 3 is arranged between the upper die 1 and the lower die 2;
the upper die 1 comprises an upper die plate 101 and an upper cavity die 102 connected to the lower surface of the upper die plate 101, an upper die cavity 1021 which is concave inwards is arranged on the lower surface of the upper cavity die 102, and an upper heat exchange tube is laid in the upper cavity die 102;
the lower die 2 comprises a lower die plate 201 and a lower cavity die 202 connected to the lower die plate 201, a lower die cavity 2021 which is concave inwards is formed in the upper surface of the lower cavity die 202, and a lower heat exchange tube is paved in the lower cavity die 202;
the core mold 3 comprises an upper core mold 301, a middle core mold 302 and a lower core mold 303 which are detachably connected; as shown in fig. 4, in this embodiment, the upper core mold, the middle core mold and the lower core mold are connected in a sliding connection manner, wherein a sliding groove (sliding rail) is respectively provided on the lower surface of the upper core mold 301 and the upper surface of the lower core mold 303 along the length direction thereof, and sliding rails (sliding grooves) in sliding connection with the sliding grooves (sliding rails) are respectively provided on the upper and lower sides of the middle core mold 303, and the sliding grooves are matched with the sliding rails for sliding connection.
As shown in fig. 2 and 3, an upper partition plate 103 is disposed at the top of the upper cavity mold 102, a lower partition plate 203 is disposed at the bottom of the lower cavity mold 202, and the upper partition plate 103 and the lower partition plate 203 are made of heat-insulating materials, which may be selected from one of high-temperature-resistant rubber, nylon or quartz cotton plate; so that heat can be prevented from being transferred to one side far away from the upper die cavity 1021 and the lower die cavity 2021 in the heating process, the functions of heat preservation and heat insulation are achieved, and the loading buffer function can be achieved in the die opening and closing process.
Preferably, the four corners of the lower cavity mold 202 are further provided with a guide shaft 2023, the bottom of the guide shaft 2023 passes through the lower cavity mold and is fixed on the lower die plate 201, the upper cavity mold 102 is correspondingly provided with a guide hole 1023 for sliding the guide shaft, and the guide shaft 2023 is matched with the guide hole 1023 to provide guide for the mold closing of the upper and lower dies.
Preferably, a positioning groove 1022 is provided at the edge of the lower surface of the upper cavity mold 102, and a positioning protrusion 2022 is provided at the edge of the upper surface of the lower cavity mold 201, and the positioning protrusion 2022 is matched with the positioning groove 1022 for positioning connection between the upper cavity mold 102 and the lower cavity mold 201.
Further, positioning holes 1024 are further formed on the lower surface of the upper cavity mold 102 and around the upper cavity 1021, positioning columns 2024 matched with the positioning holes are further formed on the upper surface of the lower cavity mold and around the lower cavity mold, and positioning is further provided for mold closing of the upper cavity mold and the lower cavity mold.
As shown in fig. 5, the upper heat exchange tube and the lower heat exchange tube 2025 are laid in a staggered and communicated mode of transverse tubes and longitudinal tubes, so that the processing is convenient, and the heating is uniform; the two ends of the upper cavity mold 102 are also respectively provided with an oil inlet 1025 and an oil outlet (not shown in the figure) which are communicated with the upper heat exchange tube; the two ends of the lower cavity mold 202 are also respectively provided with an oil inlet and an oil outlet (not shown in the figure) which are communicated with the lower heat exchange tube, the ends of the rest parts except the positions communicated with the oil inlet and the oil outlet in the upper heat exchange tube and the lower heat exchange tube are blocked, and the ends are provided with heat insulation materials.
As a preference, the upper heat exchange tube and the lower heat exchange tube 2025 are further provided with heat conducting columns 2026 respectively, as shown in fig. 5, taking the lower heat exchange tube as an example, the heat conducting columns 2026 are respectively arranged at the bottom of the upper heat exchange tube and the top of the lower heat exchange tube, and at the side peripheries of the upper die cavity and the lower die cavity, so that heat in the upper heat exchange tube and the lower heat exchange tube can be quickly transferred to the positions where the heat exchange tubes are not paved on the side surfaces of the upper die cavity and the lower die cavity through the heat conducting columns 2026, and uniform heating of all surfaces of a product in the die cavity is ensured; the heat conductive column 2026 is made of a material having high thermal conductivity, and may be aluminum, copper, or the like.
Further, in order to facilitate demolding, the lower mold plate 201 is provided with an air cylinder 7, the lower cavity mold 202 is internally provided with an ejector rod 8 connected with the air cylinder 7, and when demolding is performed, the air cylinder 7 drives the ejector rod 8 to lift, so that the core mold 3 is ejected.
Preferably, the sides of the upper cavity mold 102 and the lower cavity mold 202 are further provided with a hoisting structure 4, so that the mold is convenient to hoist in the process of disassembly and transportation.
Preferably, the upper template 101 and the lower template 201 are further provided with connecting buckles 5 respectively for connecting with a molding press.
Preferably, the top edge of the upper core mold 301 and the bottom edge of the lower core mold 303 are both provided with arc transition, so that stress concentration at the edge of the molding center cabin is prevented, and the strength of the molding center cabin is improved.
Further, in order to further facilitate disassembly of the core mold, the lower surface of the upper core mold 301, the upper and lower surfaces of the intermediate core mold 302, and the upper surface of the lower core mold 303 are provided with a draft angle of 1.5 to 3 °.
Preferably, the side surface of the lower die is provided with a connection locking structure 6 connected with the upper die, as shown in fig. 6, the connection locking structure 6 comprises a connection plate 601, the lower end of the connection plate 601 is fixedly connected with the side surface of the lower die, the other end surface is provided with a vertically arranged strip hole 602, and the side surface of the upper die is provided with a threaded hole; after the upper die and the lower die are assembled, the bolts are connected into threaded holes in the side faces of the upper die through the strip holes, pretightening force is provided for products in the dies, the products are primarily shaped, after the dies are gradually heated and softened, the bolts are unscrewed, a die press is used for pressurizing, the bolts move downwards along with the upper die relative to the strip holes, and after the dies are completely compacted, the bolts are screwed down, and the dies are locked.
Preferably, each set of upper die and lower die can be provided with a plurality of sets of core dies, so that paving operation can be performed on another set or sets of core dies while compression molding is performed, and the working efficiency is improved.
The process for integrally forming the unmanned aerial vehicle center cabin by using the die disclosed by the utility model comprises the following steps of:
(1) At present, a release agent is smeared in an upper die cavity 1021 and a lower die cavity 2021, after standing for 20-30min, an upper die 1 and a lower die 2 are respectively connected with an upper pressing plate and a lower pressing plate of a die press by using a connecting buckle 5, and the die is fixed;
(2) Preparing a plurality of sets of core dies 3 according to the productivity requirement of a product, connecting each set of core dies, sequentially paving carbon fiber/glass fiber prepregs (only the big head end is not paved) on the surface of the core dies 3 according to the paving quantity and the paving angle of the composite material designed in the earlier stage, and after the paving is finished, placing the core dies 3 in a lower die cavity 2021;
(3) After the die press is assembled, conducting oil is respectively introduced into the upper heat exchange tube and the lower heat exchange tube through oil inlets by using a die temperature machine, the die press provides pressure, the curing temperature is set to be 130-150 ℃, the pressure is set to be 3MPa, the curing time is set to be 25-30 min, and the central cabin of the composite material unmanned aerial vehicle is cured and molded;
(4) After the product is solidified, the air cylinder 7 is used for driving the ejection rod to eject the product and the core mould 3 so as to realize quick demoulding, then the middle core mould 302 of the core mould 3 is extracted, and due to the arrangement of the groove slide way and the mould-drawing gradient, the middle core mould 302 of the core mould can be quickly demoulded, and then the upper core mould 301 and the lower core mould 303 are sequentially taken out so as to obtain a composite material unmanned aerial vehicle center cabin product;
(5) In the process of product curing and forming, composite material layering can be carried out on other sets of core dies 3, after the last set of product is manufactured, the core dies 3 which are already layered are immediately placed into a lower die cavity for product curing and forming, and meanwhile, the surface of the last set of core dies 3 which are taken out is subjected to operations such as glue removal, coating of a release agent, spreading and the like, and the next circulation manufacturing is waited; the method realizes the purpose of circular circulation manufacturing of a set of dies, and has the advantages of high efficiency, rapidness, cost reduction and product productivity improvement.
The foregoing examples merely illustrate certain embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. The die for integrally forming the unmanned aerial vehicle center cabin is characterized by comprising an upper die, a lower die and a core die, wherein the upper die and the lower die are mutually buckled, and the core die is arranged between the upper die and the lower die;
the upper die comprises an upper die plate and an upper cavity die connected with the lower surface of the upper die plate, an upper die cavity recessed inwards is arranged on the lower surface of the upper cavity die, and an upper heat exchange tube is laid in the upper cavity die;
the lower die comprises a lower die plate and a lower cavity die connected to the lower die plate, a lower die cavity which is concave inwards is formed in the upper surface of the lower cavity die, and a lower heat exchange tube is paved in the lower cavity die;
the core mold comprises an upper core mold, a middle core mold and a lower core mold which are detachably connected.
2. The unmanned aerial vehicle center room integrated-forming die of claim 1, wherein the top of the upper cavity die and the bottom of the lower cavity die are both provided with a partition plate.
3. The unmanned aerial vehicle center room integrated-forming die of claim 2, wherein the partition plate is made of heat-insulating materials.
4. The die for integrally forming the unmanned aerial vehicle center cabin according to claim 1, wherein guide shafts are respectively arranged at four corners of the lower cavity die, the bottoms of the guide shafts penetrate through the lower cavity die to be fixed on the lower die plate, and guide holes are correspondingly formed in the upper cavity die.
5. The unmanned aerial vehicle center cabin integrated-forming die of claim 1, wherein a positioning groove is formed at the edge of the lower surface of the upper cavity die, and a positioning protrusion is formed at the edge of the upper surface of the lower cavity die.
6. The unmanned aerial vehicle center cabin integrated-forming die of claim 1, wherein the lower surface of the upper cavity die is further provided with a positioning hole, and the upper surface of the lower cavity die is further provided with a positioning column matched with the positioning hole.
7. The mold for integrally forming the center cabin of the unmanned aerial vehicle according to claim 1, wherein the lower mold plate is provided with a cylinder, and the lower cavity mold is internally provided with an ejector rod connected with the cylinder.
8. The mold for integrally molding a center cabin of an unmanned aerial vehicle according to claim 1, wherein the surfaces of the upper core mold, the middle core mold and the lower core mold which are in contact are provided with draft angles of 1.5 to 3 °.
9. The unmanned aerial vehicle center cabin integrated-forming die of claim 1, wherein the bottom of the upper heat exchange tube and the top of the lower heat exchange tube are respectively connected with heat conducting columns, and the heat conducting columns are respectively arranged in the upper cavity die and the lower cavity die and on the sides of the upper cavity die and the lower cavity die.
10. The mold for integrally forming the unmanned aerial vehicle center cabin according to claim 1, wherein the side surface of the lower mold is further provided with a connection locking structure connected with the upper mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322181537.XU CN220517311U (en) | 2023-08-14 | 2023-08-14 | Unmanned aerial vehicle centre cabin integrated into one piece is with mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322181537.XU CN220517311U (en) | 2023-08-14 | 2023-08-14 | Unmanned aerial vehicle centre cabin integrated into one piece is with mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220517311U true CN220517311U (en) | 2024-02-23 |
Family
ID=89923482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322181537.XU Active CN220517311U (en) | 2023-08-14 | 2023-08-14 | Unmanned aerial vehicle centre cabin integrated into one piece is with mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220517311U (en) |
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2023
- 2023-08-14 CN CN202322181537.XU patent/CN220517311U/en active Active
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Effective date of registration: 20240416 Address after: 253300 East Road, 50 meters south of the intersection of Zhenhua Street and Longxiang Road, Economic Development Zone, Wucheng County, Dezhou City, Shandong Province Patentee after: Dezhou Tengte New Material Technology Co.,Ltd. Country or region after: China Address before: No. C5-24, Yunda Logistics Park, Jiefang North Avenue, Tianqu Street Office, Decheng District, Dezhou City, Shandong Province, 253000 Patentee before: Texas Camt New Materials Technology Co.,Ltd. Country or region before: China |
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