CN215434592U - Air inlet channel forming die - Google Patents
Air inlet channel forming die Download PDFInfo
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- CN215434592U CN215434592U CN202121728283.3U CN202121728283U CN215434592U CN 215434592 U CN215434592 U CN 215434592U CN 202121728283 U CN202121728283 U CN 202121728283U CN 215434592 U CN215434592 U CN 215434592U
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- 239000000463 material Substances 0.000 claims abstract description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000741 silica gel Substances 0.000 claims abstract description 14
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 abstract description 3
- 238000007711 solidification Methods 0.000 abstract description 3
- 230000008023 solidification Effects 0.000 abstract description 3
- 239000000956 alloy Substances 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000004017 vitrification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses an air inlet channel forming die which comprises an outer die, a core die, a forming sleeve, a first end cover and a second end cover, wherein the outer die is sleeved on the core die, and a first clearance cavity with an annular structure is formed between the outer die and the core die; one end of the outer mold and one end of the core mold are fixedly connected with the first end cover, the second end cover is sleeved at the other end of the core mold, the other end of the outer mold is fixedly connected with the second end cover, and a second clearance cavity of an annular structure is enclosed between the second end cover and the core mold; the first clearance cavity is communicated with the second clearance; the forming sleeve is fixedly sleeved on the core mold, the forming sleeve is filled with the first clearance cavity, and the forming sleeve is made of fragile materials or silica gel materials. The outer surface of the core mold is covered with the forming sleeve, when the air inlet channel needs to be formed, the outer surface of the forming sleeve is directly covered with the covering material base material, the core mold and the forming sleeve are removed after solidification and forming, and then the preparation of the air inlet channel can be completed, and the linear shape of the inner surface of the air inlet channel can be perfectly maintained.
Description
Technical Field
The utility model relates to the technical field of composite material product manufacturing, in particular to an air inlet channel forming die.
Background
In the prior art, a combined core mold or a water-soluble mold or a low-melting-point alloy mold becomes a main choice for forming the air inlet passage. If the combined core mould is directly used, no matter bag pressing or mould pressing is adopted, the more times the combined parts are used, the more deviation occurs among the combined parts, gaps are generated, the more difficult the core mould is to be removed due to the problem of mismatching among the core mould combined parts, and the more or less special-shaped core mould can collide with a metal mould in the demoulding process. In the scheme of the water-soluble mold, although the period of the water-soluble sand core is short, for a product with a complex shape, the processing is difficult and the problem of dimensional accuracy exists after the processing, while a low-melting-point alloy mold can obtain an accurate outline dimension, the manufacturing cost is high, the manufacturing process needs to be heated to change the low-melting-point alloy mold into a molten state, the process is complicated, the core mold melting also needs to be heated in the demolding process of the low-melting-point alloy mold, the heating easily causes thermal deformation of a composite material air inlet channel, and a certain influence is generated on the product performance, when the vitrification temperature of a used resin system is low, the heating temperature reaches the vitrification transformation temperature of a resin matrix, and the structure of the air inlet channel also deforms.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides the air inlet channel forming die, so that the forming process of the air inlet channel is convenient and quick, the problems of high cost of a low-melting-point alloy core die, difficulty in processing by using a water-soluble die, reduction in size precision and the like are solved, the air inlet channel forming die can adapt to an air inlet channel with a complex structure, and the air inlet channel forming die has the characteristics of stable manufacturability, high efficiency, simplicity and the like.
In order to achieve the purpose, the utility model provides an air inlet channel forming die, which comprises an outer die, a core die, a forming sleeve, a first end cover and a second end cover, wherein the outer die is sleeved on the core die, and a first clearance cavity with an annular structure is defined between the outer die and the core die;
one end of the outer die and one end of the core die are fixedly connected with the first end cover, the second end cover is sleeved at the other end of the core die, the other end of the outer die is fixedly connected with the second end cover, and a second clearance cavity of an annular structure is defined between the second end cover and the core die;
the first clearance cavity is communicated with the second clearance;
the fixed cover of forming sleeve is established on the mandrel, just it is full that the forming sleeve fills first interstitial cavity, the forming sleeve is made by fragile material or silica gel material.
In one embodiment, the core mold is an S-shaped split assembly mold;
the core mold comprises a first mold body, a second mold body, a third mold body and a third end cover, the first mold body is of a hollow cylindrical structure, and one end of the first mold body is fixedly connected with the first end cover;
the second die body comprises a plurality of first unit pieces, the side parts of the first unit pieces are sequentially connected to enclose a hollow cylindrical structure, and one end of each first unit piece is fixedly connected with the other end of the first die body;
the third die body comprises a plurality of second unit pieces, the side parts of the second unit pieces are connected and combined into a solid cake-shaped structure, the second unit pieces correspond to the first unit pieces one to one, one end of each second unit piece corresponds to the other end of the first unit piece, and the other end of each second unit piece is fixedly connected with the third end cover.
In one embodiment, a first groove is formed in an end of the first die body, and an end of each first unit element is embedded in the first groove and then fixedly connected with the first die body.
In one embodiment, an end of each of the first unit pieces is provided with a second groove, and an end of each of the second unit pieces is provided with a projection corresponding to the second groove, the projection being embedded in the corresponding second groove when the second unit piece is connected to the corresponding first unit piece.
In one embodiment, the matching surface between two adjacent second unit pieces is a curved surface or a folded surface structure.
In one embodiment, the outer mold is an S-shaped split assembly mold;
the outer mold comprises a fourth mold body, a fifth mold body, a sixth mold body and a seventh mold body, the fourth mold body and the fifth mold body detachably enclose a hollow cylindrical structure sleeved at one end of the core mold, and the sixth mold body and the seventh mold body detachably enclose a hollow cylindrical structure sleeved at the other end of the core mold;
one end of the fourth die body is fixedly connected with the first end cover, one end of the sixth die body is fixedly connected with the other end of the fourth die body, and the other end of the sixth die body is fixedly connected with the second end cover;
one end of the fifth die body is fixedly connected with the first end cover, one end of the seventh die body is fixedly connected with the other end of the fifth die body, and the other end of the seventh die body is fixedly connected with the second end cover.
In one embodiment, the fourth mold body, the fifth mold body, the sixth mold body and the seventh mold body are provided with reinforcing rib structures.
According to the air inlet channel forming die provided by the utility model, the outer surface of the core die is covered with the forming sleeve, when the air inlet channel needs to be formed, the outer surface of the forming sleeve is directly covered with the covering material base material, and the core die and the forming sleeve are removed after solidification and forming, so that the preparation of the air inlet channel can be completed, and the linear shape of the inner surface of the air inlet channel can be perfectly maintained. And because the forming sleeve is made of fragile materials or silica gel materials:
when the forming sleeve is made of fragile materials, the core mold cannot collide with the inner wall of the air inlet due to the partition action of the forming sleeve, and the hardness of the forming sleeve is lower and far lower than that of the core mold and the air inlet, so that the inner wall of the air inlet cannot be influenced when the forming sleeve is damaged;
when the forming sleeve adopts a silica gel material, the silica gel layer is convenient to demould due to the soft characteristic of the silica gel layer, and the inner surface of the air inlet channel can be subjected to internal pressure due to the thermal expansion effect of the silica gel layer in the forming and heating process, so that the porosity of the air inlet channel is reduced, and the product performance is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is an isometric view of an air inlet duct forming die in an embodiment of the utility model;
FIG. 2 is a sectional view of an inlet forming mold according to an embodiment of the present invention;
FIG. 3 is an exploded view of an exemplary air inlet duct forming mold according to the present invention;
fig. 4 is an isometric view of a mandrel in an embodiment of the utility model;
fig. 5 is an exploded view of the mandrel in an embodiment of the present invention.
Reference numerals: the mold comprises a first end cover 10, a second end cover 20, a core mold 30, a first mold body 301, a first groove 3011, a second mold body 302, a first unit piece 3021, a second groove 3022, a third mold body 303, a second unit piece 3031, a lug 3032, a third end cover 304, an outer mold 40, a fourth mold body 401, a fifth mold body 402, a sixth mold body 403, a seventh mold body 404, a reinforcing rib structure 405, a forming sleeve 50, a first clearance cavity 601 and a second clearance cavity 602.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes 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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; the connection can be mechanical connection, electrical connection, physical connection or wireless communication connection; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Fig. 1-5 show an air inlet duct forming mold disclosed in this embodiment, which mainly includes an outer mold 40, a core mold 30, a forming sleeve 50, a first end cap 10 and a second end cap 20, wherein the outer mold 40 is sleeved on the core mold 30, and a first clearance cavity 601 of an annular structure is defined between the outer mold 40 and the core mold 30. One end of the external mold 40 and one end of the core mold 30 are both fixedly connected with the first end cap 10, the second end cap 20 is sleeved on the other end of the core mold 30, the other end of the external mold 40 is fixedly connected with the second end cap 20, a second clearance cavity 602 in an annular structure is defined between the second end cap 20 and the core mold 30, the first clearance cavity 601 is communicated with the second clearance, namely the first clearance cavity 601 is the same as the outside through the second clearance cavity 602, the forming sleeve 50 is fixedly sleeved on the core mold 30, the forming sleeve 50 is fully filled with the first clearance cavity 601, and the forming sleeve 50 is made of fragile materials or silica gel materials. Wherein, the forming sleeve 50 is a disposable piece, that is, a forming sleeve 50 needs to be replaced without forming an air inlet. The mold has no problems of expensive low-melting-point alloy core mold, difficult processing, reduced size precision and the like caused by using a water-soluble mold, can adapt to an air inlet channel with a complex structure, improves the product performance, and has the characteristics of stable manufacturability, high efficiency, simplicity and the like.
The process of preparing the air inlet channel through the air inlet channel forming die in the embodiment is as follows:
assembling the outer mold 40, the core mold 30, the first end cap 10 and the second end cap 20, filling the first clearance cavity 601 with the molding sleeve 50 solution through the second clearance cavity 602 to fill the first clearance cavity 601, and curing and molding the molding sleeve 50 solution to form the molding sleeve 50; and then the external mold 40 is removed, a covering material base material is laid on the outer surface of the forming sleeve 50, and the core mold 30 and the forming sleeve 50 are removed after solidification and forming, so that the preparation of the air inlet channel can be completed.
When the forming sleeve 50 is made of a brittle material, the forming sleeve 50 solution may be a resin and a curing agent mixed in a mass ratio of (40-50) to (0.5-1.5). The molding sleeve 50 made of a fragile material covers the split connecting gap and the dislocation anisotropy on the core mold 30, and the molding precision of the inner wall of the air inlet duct can be effectively improved on the premise of low cost. Meanwhile, in the demolding process, the core mold 30 is not only simple and convenient to detach, but also the core mold 30 cannot collide with the inner wall of the air inlet channel due to the partition effect of the forming sleeve 50, and the hardness of the forming sleeve 50 is lower and far smaller than that of the core mold 30 and the air inlet channel, so that the inner wall of the air inlet channel cannot be influenced when the forming sleeve 50 is damaged.
When the forming sleeve 50 is made of silica gel material, the solution of the forming sleeve 50 can be silica gel and a vulcanizing agent mixed according to the mass ratio of (0.8-1.2) to (0.8-1.2). The forming sleeve 50 made of silica gel material covers the split connecting gap and the dislocation anisotropy on the core mold 30, and can effectively improve the inner wall forming precision of the air inlet channel on the premise of low cost. And the silica gel material is convenient to demould due to the soft characteristic, and the inner surface of the air inlet channel can be subjected to internal pressure due to the thermal expansion effect of the silica gel material in the forming and heating process, so that the porosity of the air inlet channel is reduced, and the product performance is improved.
In this embodiment, the core mold 30 is an S-shaped split type assembling mold. Specifically, the core mold 30 includes a first mold body 301, a second mold body 302, a third mold body 303, and a third end cap 304, the first mold body 301 is a hollow cylindrical structure, and one end of the first mold body 301 is fixedly connected to the first end cap 10 by bolts; the second die body 302 comprises a plurality of first unit pieces 3021, the side parts of the first unit pieces 3021 are sequentially connected with a pin shaft through bolts to form a hollow cylindrical structure, and one end of each first unit piece 3021 is fixedly connected with the other end of the first die body 301; the third body 303 comprises a plurality of second units 3031, the side of each second unit 3031 is connected with a pin shaft through a bolt to form a solid cake-shaped structure, the second units 3031 correspond to the first units 3021 one by one, one end of each second unit 3031 corresponds to the other end of the first unit 3021, and the other end of each second unit 3031 is fixedly connected with the third end cover 304.
In a preferred embodiment, a first groove 3011 is arranged at an end of the first mold body 301 facing the direction of the second mold body 302, and an end of each first unit piece 3021 is fixedly connected to the first mold body 301 after being embedded in the first groove 3011. And the end of each first unit piece 3021 facing the direction of the second unit piece 3031 is provided with a second groove 3022, the end of each second unit piece 3031 is provided with a lug 3032 corresponding to the second groove 3022, and when the second unit piece 3031 is connected with the corresponding first unit piece 3021, the lug 3032 is embedded into the corresponding second groove 3022. And the matching surface between two adjacent second unit pieces 3031 of the first unit piece 3021 is a curved surface or a folded surface structure. Through the structural design, the connection of each unit element on the mandrel is firmer.
In this embodiment, the outer mold 40 is an S-shaped split assembly mold. Specifically, the outer mold 40 includes a fourth mold body 401, a fifth mold body 402, a sixth mold body 403 and a seventh mold body 404, the fourth mold body 401 and the fifth mold body 402 detachably enclose a hollow cylindrical structure that is sleeved on one end of the core mold 30, and the sixth mold body 403 and the seventh mold body 404 detachably enclose a hollow cylindrical structure that is sleeved on the other end of the core mold 30; one end of the fourth die body 401 is fixedly connected with the first end cover, one end of the sixth die body 403 is fixedly connected with the other end of the fourth die body 401, and the other end of the sixth die body 403 is fixedly connected with the second end cover; one end of the fifth mold body 402 is fixedly attached to the first end cap, one end of the seventh mold body 404 is fixedly attached to the other end of the fifth mold body 402, and the other end of the seventh mold body 404 is fixedly attached to the second end cap. The fourth die body 401, the fifth die body 402, the sixth die body 403 and the seventh die body 404 are all provided with reinforcing rib structures 405.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. An air inlet channel forming die is characterized by comprising an outer die, a core die, a forming sleeve, a first end cover and a second end cover, wherein the outer die is sleeved on the core die, and a first clearance cavity of an annular structure is enclosed between the outer die and the core die;
one end of the outer die and one end of the core die are fixedly connected with the first end cover, the second end cover is sleeved at the other end of the core die, the other end of the outer die is fixedly connected with the second end cover, and a second clearance cavity of an annular structure is defined between the second end cover and the core die;
the first clearance cavity is communicated with the second clearance;
the fixed cover of forming sleeve is established on the mandrel, just it is full that the forming sleeve fills first interstitial cavity, the forming sleeve is made by fragile material or silica gel material.
2. The air inlet duct forming mold according to claim 1, wherein the core mold is an S-shaped split type assembling mold;
the core mold comprises a first mold body, a second mold body, a third mold body and a third end cover, the first mold body is of a hollow cylindrical structure, and one end of the first mold body is fixedly connected with the first end cover;
the second die body comprises a plurality of first unit pieces, the side parts of the first unit pieces are sequentially connected to enclose a hollow cylindrical structure, and one end of each first unit piece is fixedly connected with the other end of the first die body;
the third die body comprises a plurality of second unit pieces, the side parts of the second unit pieces are connected and combined into a solid cake-shaped structure, the second unit pieces correspond to the first unit pieces one to one, one end of each second unit piece corresponds to the other end of the first unit piece, and the other end of each second unit piece is fixedly connected with the third end cover.
3. The air inlet duct forming die according to claim 2, wherein a first groove is formed in an end portion of the first die body, and an end portion of each first unit piece is fixedly connected with the first die body after being embedded in the first groove.
4. The air intake duct forming die according to claim 2, wherein an end of each of the first unit pieces is provided with a second groove, and an end of each of the second unit pieces is provided with a projection corresponding to the second groove, the projection being embedded in the corresponding second groove when the second unit piece is connected to the corresponding first unit piece.
5. The air inlet channel forming die according to claim 2, wherein the matching surface between two adjacent second unit pieces is a curved surface or a folded surface structure.
6. The air inlet duct forming die according to any one of claims 1 to 5, wherein the outer die is an S-shaped split assembly die;
the outer mold comprises a fourth mold body, a fifth mold body, a sixth mold body and a seventh mold body, the fourth mold body and the fifth mold body detachably enclose a hollow cylindrical structure sleeved at one end of the core mold, and the sixth mold body and the seventh mold body detachably enclose a hollow cylindrical structure sleeved at the other end of the core mold;
one end of the fourth die body is fixedly connected with the first end cover, one end of the sixth die body is fixedly connected with the other end of the fourth die body, and the other end of the sixth die body is fixedly connected with the second end cover;
one end of the fifth die body is fixedly connected with the first end cover, one end of the seventh die body is fixedly connected with the other end of the fifth die body, and the other end of the seventh die body is fixedly connected with the second end cover.
7. The intake duct forming die of claim 6, wherein the fourth die body, the fifth die body, the sixth die body and the seventh die body are provided with reinforcing rib structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121728283.3U CN215434592U (en) | 2021-07-27 | 2021-07-27 | Air inlet channel forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121728283.3U CN215434592U (en) | 2021-07-27 | 2021-07-27 | Air inlet channel forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215434592U true CN215434592U (en) | 2022-01-07 |
Family
ID=79684900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121728283.3U Active CN215434592U (en) | 2021-07-27 | 2021-07-27 | Air inlet channel forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215434592U (en) |
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2021
- 2021-07-27 CN CN202121728283.3U patent/CN215434592U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Huamao Aerospace Technology Co.,Ltd. Assignor: NINGBO SHUXIANG NEW MATERIAL Co.,Ltd. Contract record no.: X2023330000869 Denomination of utility model: A type of intake duct forming mold Granted publication date: 20220107 License type: Exclusive License Record date: 20231122 |
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| EE01 | Entry into force of recordation of patent licensing contract |