CN217414597U - A mould for preparing missile wing - Google Patents
A mould for preparing missile wing Download PDFInfo
- Publication number
- CN217414597U CN217414597U CN202220213067.3U CN202220213067U CN217414597U CN 217414597 U CN217414597 U CN 217414597U CN 202220213067 U CN202220213067 U CN 202220213067U CN 217414597 U CN217414597 U CN 217414597U
- Authority
- CN
- China
- Prior art keywords
- runner
- mould
- level runner
- level
- mold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides a mould for preparing missile wing, include the die cavity of constituteing by last mould, lower mould and mandrel, be provided with injecting glue mouth and injecting glue runner on the mould, the injecting glue runner includes one-level runner and second grade runner, the position of injecting glue mouth is corresponding to the one-level runner, the length that the one-level runner was arranged and the one-level runner was arranged along the length direction who treats the preparation is less than the length of treating the preparation, second grade runner and one-level runner intercommunication, the degree of depth of second grade runner is less than the one-level runner. The missile wing is produced by adopting the die and the RTM process, so that the use cost of equipment can be reduced, the manufacturing procedures are reduced, the weight of a product is reduced, and the competitive advantage of the product market is improved.
Description
Technical Field
The utility model relates to a mould, especially a mould for preparing missile wing.
Background
The missile wing is a tail wing arranged on the missile tail and is used for stabilizing the flight state of the aerobomb when falling down and ensuring that the aerobomb hits a target in a correct posture, and generally does not provide lift force and control force. Therefore, the missile wing part plays a very important role in the missile.
The conventional missile wing is manufactured by adopting a co-curing and co-cementing process or a cementing assembly process, wherein the co-curing and co-cementing process needs autoclave curing equipment, so that the equipment use cost is high, the working procedure is complex, the assembly workload of the cementing assembly process is large, the product weight is increased, the working procedure is complex, and the cost is high. Therefore, the common problems of the existing manufacturing process at least include high cost and complicated procedures, and the glue assembly process also has the problem of increased product weight caused by large glue consumption.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mould for preparing bullet wing for solve current bullet wing manufacturing procedure complicated, with high costs technical problem.
To achieve the above objective, the present invention provides the following technical solutions:
the utility model provides a mould for preparing missile wing, includes the die cavity of compriseing last mould, lower mould and mandrel, be provided with injecting glue mouth and injecting glue runner on the mould, the injecting glue runner includes one-level runner and second grade runner, the position of injecting glue mouth is corresponding to the one-level runner, the length that the one-level runner was arranged and the one-level runner was arranged along the length direction who treats the preparation is less than the length of treating the preparation, second grade runner and one-level runner intercommunication, the degree of depth of second grade runner is less than the one-level runner.
Furthermore, the depth of the primary flow channel is 3 mm-4 mm.
Furthermore, the length of the primary flow channel is 40 mm-60 mm less than that of the preparation object.
Furthermore, the depth of the secondary flow channel is 0.2 mm-0.3 mm.
Furthermore, a sealing groove is formed in the lower die, and a sealing ring is arranged in the sealing groove.
Further, the sealing ring has 2 circles.
Further, still include locking Assembly for mould and lower mould in the locking, locking Assembly includes bolt or screw to and plain washer, heavy spring washer and nut, plain washer, heavy spring washer and nut are located fastening one side, heavy spring washer is located between plain washer and the nut.
Has the advantages that:
according to the technical scheme provided by the utility model, the utility model discloses a technical scheme provides a mould, and this mould is for adopting the mould of RTM forming process, is provided with injecting glue mouth and injecting glue runner on it to through the cooperation setting of two-stage runner length and size, make the resin in the runner can be full of the die cavity uniformly, ensure that product quality is good.
Secondly, the RTM process needs strict sealing requirements, a glue injection port arranged in the mold can be connected with a vacuum pump for vacuumizing, and two layers of seals are arranged to prevent sealing failure; in addition, the locking assembly with the heavy spring washer enables the upper die and the lower die to compress the sealing ring while the upper die and the lower die are compressed, and sealing effectiveness is guaranteed.
It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of the present disclosure unless such concepts are mutually inconsistent.
The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of the specific embodiments in accordance with the teachings of the present invention.
Drawings
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic view of the composition of the mold according to the embodiment of the present invention.
Fig. 2 is a schematic view of a lower mold structure according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a core mold according to an embodiment of the present invention.
Fig. 4 is a detailed schematic view of a locking assembly according to an embodiment of the present invention.
Fig. 5 is a detailed schematic view of the glue injection flow channel according to the embodiment of the present invention.
Fig. 6 is a cross-sectional view of the glue injection runner according to the embodiment of the present invention.
Fig. 7 is a detailed schematic view of a seal assembly according to an embodiment of the present invention.
Wherein: the meaning of the respective reference numerals is as follows:
1-upper die, 2-demoulding bolt, 3-hoisting assembly, 4-special glue injection sleeve, 5-locking assembly, 6-guiding positioning assembly, 7-sealing assembly, 8-lower die, 9-core die, 10-sealing groove, 11-glue injection flow channel, 12-positioning boss, 13-positioning groove, 14-hexagonal cylindrical head screw, 15-flat washer, 16-hexagonal nut, 17-heavy spring washer, 18-primary flow channel, 19-secondary flow channel, 20-primary sealing ring and 21-secondary sealing ring.
Detailed Description
For a better understanding of the technical content of the present invention, specific embodiments are described below in conjunction with the accompanying drawings.
In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.
Based on the complex and with high costs of the production process of the missile wing among the prior art, some processes still use glue in a large number for the missile wing is heavier to be unfavorable for lightweight index, consequently, need improve the production technology of missile wing. The embodiment of the invention provides a mould for producing a missile wing by adopting an RTM (resin transfer molding) process, which is used for producing the missile wing according to the RTM process. The process is integrated, the process is simplified, the use cost of equipment is reduced, and the product is made of resin and has light weight. The embodiment of the utility model provides a realize a supporting mould structure in above-mentioned product production, combine the mould structure in this embodiment of figure concrete introduction below.
As shown in fig. 1, the mold comprises a mold cavity composed of an upper mold 1, a lower mold 8 and a core mold 9, wherein a glue injection port and a glue injection runner 11 are arranged on the mold, the glue injection runner 11 comprises a first-level runner 18 and a second-level runner 19, the position of the glue injection port corresponds to the first-level runner 18, the first-level runner 18 is arranged along the length direction of a to-be-prepared object, the length of the first-level runner 18 is smaller than that of the to-be-prepared object, the second-level runner 19 is communicated with the first-level runner 18, and the depth of the second-level runner 19 is smaller than that of the first-level runner 18.
The specific shape and structure of the mating surfaces of the upper die 1, the lower die 8 and the core die 9 are related to the missile wing product to be prepared, as shown in fig. 3, a positioning groove 13 is arranged on the core die 9, a positioning boss 12 is arranged on the corresponding lower die 8, the positioning groove 13 is matched with the positioning boss 12 to position and match the lower die 8 and the core die 9, and the direction F shown in fig. 2 is the demolding direction of the core die 9, so that the product is convenient to take out. In the structure, the cover is equipped with special glue injection cover 4 on the injecting glue mouth that sets up and is used for with resin injecting glue machine intercommunication, makes things convenient for liquid resin to pour into the die cavity into, in the RTM technology, in order to make the injecting glue distribute in the die cavity as far as evenly as possible, need with the gas evacuation in the die cavity, evacuation equipment also can realize through connecting the injecting glue mouth. Because the missile wing is very thin, if the injected glue flows unevenly, gas residue at certain edge parts is easily caused, resin cannot flow to edge positions, and product defects are caused. Therefore, in order to avoid that the resin directly flows into the gap between the product and the mold, which causes the phenomenon that the edge resin flow velocity is too high, which causes the bubbles to remain in the mold and cannot eliminate the product, the present embodiment solves the problem by designing a double-layer runner, wherein in the double-layer runner, the first-level runner 18 corresponds to the glue injection port, and the first-level runner 18 is deeper, which can be used for storing the resin, and when the resin is fully stored, the resin naturally flows to the second-level runner 19 connected with the first-level runner 18, and the second-level runner 19 is shallower, and the resin can uniformly flow along each position of the length direction of the first-level runner 18, and the length direction of the first-level runner 18 is the length direction of the product, so that the resin can uniformly flow to the length direction of the product through the second-level runner 19, and the length of the first-level runner 18 is set to be smaller than the length of the product, so that the edge of the product is slowly contacted with the resin, which is convenient for the gas at the place to be pumped away, thereby ensuring that the edges of the product are evenly wetted.
In this embodiment, as shown in fig. 5 and 6, the depth of the primary flow channel 18 is 3mm to 4mm, the length is 40mm to 60mm smaller than the length of the preparation object, and the depth of the secondary flow channel 19 is 0.2mm to 0.3 mm.
In this embodiment, effective sealing is essential to achieve an RTM process. A good seal is achieved on the mould construction, mainly from the seal assembly 7 and the locking assembly 5 design. As shown in fig. 7, the sealing groove 10 and the sealing ring shown in this embodiment are provided, the sealing groove 10 is provided in the lower mold 8, the sealing ring is engaged with the sealing groove 10, the height of the sealing ring is slightly higher than that of the sealing groove 10, the sealing ring itself has certain elasticity, the upper edge of the sealing ring contacts with the upper mold 1, and when the upper mold 8 and the lower mold 8 are tightly closed, the sealing ring is compressed to realize good sealing. In order to ensure sealed validity, set up twice sealing washer in this embodiment, be one-level sealing washer 20 and second grade sealing washer 21 respectively, for guaranteeing that mould leakproofness has increased 2 times's factor of safety, no matter one of them sealing washer of one-level sealing washer 20 and second grade sealing washer 21 goes wrong, another one sealing washer can also guarantee that the mould can satisfy sealed requirement, reduces sealed risk coefficient.
The tight closing of the upper die and the lower die is realized through the locking assemblies 5, as shown in fig. 4, which is a schematic structural diagram of the locking assemblies 5 in the embodiment, in fig. 1, the edge of the die is provided with a plurality of mounting holes of the locking assemblies 5, which are respectively located at corresponding positions of the upper die and the lower die and are uniformly arranged, so that each position of the upper die and the lower die can be uniformly locked. The specific locking assembly 5 consists of a bolt or screw, and a flat washer 15, a heavy duty spring washer 17 and a nut, the flat washer 15, the heavy duty spring washer 17 and the nut being located on the tightening side, the heavy duty spring washer 17 being located between the flat washer 15 and the nut. In this embodiment, adopt hexagon socket head cap screw 14 and hexagon nut 16, because mould has the heating process in the RTM technology, hexagon socket head cap screw 14 can be heated the inflation this moment, causes between the upper and lower mould locking force not enough, leads to the mould gas leakage easily, can seriously influence product quality, so increase heavy spring washer 17, can provide sufficient locking force under the condition that hexagon socket head cap screw 14 is heated the inflation, guarantee the mould gas tightness, guarantee product quality.
Of course, the die assembly of the upper die and the lower die also comprises an indispensable guide positioning assembly 6 which mainly comprises a guide post and a guide sleeve. The prefabricated body of the ready-made product is mainly a glass fiber prefabricated body and is placed into a lower die 8, a core die 9 is installed on the lower die 8, then the traveling crane is used for being connected with a hoisting component 3 arranged on an upper die, the upper die 1 is hoisted onto the lower die 8, the upper die 1 and the lower die 8 complete the guiding and the accurate positioning of the die closing process of the upper die and the lower die through a guiding and positioning component 6, and the molded surface precision is qualified after the assembly of the upper die and the lower die is completed. The upper die and the lower die are locked through the locking assembly 5, and the locking assembly 5 can compress the first-stage sealing ring 20 and the second-stage sealing ring 21 when compressing the upper die and the lower die to complete vacuum sealing between the upper die and the lower die. The interface of the glue injection machine is connected with the special glue injection sleeve 4 arranged on the lower die 8, the vacuum pump is connected with the special glue injection sleeve 4 arranged on the upper die 1, resin is injected into the glue injection runner 11 from the glue injection machine while vacuumizing is performed, and the resin enters the die from the glue injection runner 11 to soak the product. After the product is cured in the oven, the locking assembly 5 is removed, the upper die 1 is separated from the lower die 8 by means of the knockout bolt 2, the core die 9 is removed in the direction F, and after the product is removed, the manufacture of the product is completed.
Compared with the prior art, the structure of the embodiment can realize the integrated forming of the missile wing part, and the RTM process is adopted, so that the use cost of equipment is reduced, the manufacturing procedures are reduced, the weight of the product is reduced, and the market competitive advantage of the product is improved.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The present invention is intended to cover by those skilled in the art various modifications and adaptations of the invention without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention is subject to the claims.
Claims (7)
1. A mould for preparing missile wing which characterized in that: the mould comprises a mould cavity consisting of an upper mould, a lower mould and a core mould, wherein a glue injection port and a glue injection runner are arranged on the mould, the glue injection runner comprises a first-level runner and a second-level runner, the position of the glue injection port corresponds to the first-level runner, the first-level runner is arranged along the length direction of a preparation object to be prepared, and the length of the first-level runner is smaller than that of the preparation object to be prepared, the second-level runner is communicated with the first-level runner, and the depth of the second-level runner is smaller than that of the first-level runner.
2. The mold of claim 1, wherein: the depth of the first-stage flow channel is 3 mm-4 mm.
3. The mold of claim 2, wherein: the length of the primary flow channel is 40 mm-60 mm less than that of the preparation object.
4. The mold of claim 2, wherein: the depth of the secondary flow channel is 0.2 mm-0.3 mm.
5. The mold of claim 1, wherein: and a sealing groove is formed in the lower die, and a sealing ring is arranged in the sealing groove.
6. The mold of claim 5, wherein: the sealing ring has 2 circles.
7. The mold of claim 5, wherein: the locking mechanism comprises an upper die and a lower die, and is characterized by further comprising a locking assembly used for locking the upper die and the lower die, wherein the locking assembly comprises a bolt or a screw, a flat washer, a heavy spring washer and a nut, the flat washer, the heavy spring washer and the nut are located on one side of fastening, and the heavy spring washer is located between the flat washer and the nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220213067.3U CN217414597U (en) | 2022-06-17 | 2022-06-17 | A mould for preparing missile wing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220213067.3U CN217414597U (en) | 2022-06-17 | 2022-06-17 | A mould for preparing missile wing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217414597U true CN217414597U (en) | 2022-09-13 |
Family
ID=83176273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220213067.3U Active CN217414597U (en) | 2022-06-17 | 2022-06-17 | A mould for preparing missile wing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217414597U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116945427A (en) * | 2023-09-20 | 2023-10-27 | 北京卓翼智能科技有限公司 | Carbon fiber missile wing compression molding die |
-
2022
- 2022-06-17 CN CN202220213067.3U patent/CN217414597U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116945427A (en) * | 2023-09-20 | 2023-10-27 | 北京卓翼智能科技有限公司 | Carbon fiber missile wing compression molding die |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217414597U (en) | A mould for preparing missile wing | |
| CN206106422U (en) | Novel vacuum bag shaping device | |
| CN110001085A (en) | A kind of multiple one mould of material radome fairing RTM technique, two chamber preparation method | |
| CN113593794B (en) | Automatic pressure gel pure dry type capacitor type high-voltage insulating sleeve and manufacturing method thereof | |
| CN207359672U (en) | A kind of hot compression molding mould for preparing different-thickness hat shape front longitudinal | |
| CN109454903A (en) | The HP-RTM molding die of middle channel stiffening plate | |
| CN112339211B (en) | Flexible joint forming method | |
| CN206048680U (en) | Windscreen curing forming mold in a kind of bullet train group annular | |
| CN204526187U (en) | A kind of hermetically-sealed construction of wind electricity blade pre-embedded bolt cover termination | |
| CN104526954B (en) | A kind of resin transfer moulding glue filling device | |
| WO2018198934A1 (en) | Method for molding composite material and device for molding composite material | |
| CN208914399U (en) | A kind of curing forming mold of the automobile-used rubber one way valve of engineering machinery | |
| CN209903704U (en) | RTM (resin transfer molding) mold for molding composite part with semi-closed structure by one mold and two cavities | |
| CN207224633U (en) | A kind of mould suitable for RTM shaping casing composite materials | |
| CN114905770B (en) | Blade forming method and mould | |
| CN217144973U (en) | Device for preparing sandwich structure composite material by adopting RTM (resin transfer molding) process | |
| CN109571993B (en) | Process for manufacturing racing boat | |
| CN206781061U (en) | T-shaped blade composite shaping dies | |
| CN107972291A (en) | The wing tip stop component of the compression of releasable RTM shapings carbon fibre composite aerofoil mould and the method for manufacturing airfoil structure | |
| CN219926985U (en) | Near-ruler forming RTM (real-time kinematic) pouring mold for light large-area thermal protection material | |
| CN104149239B (en) | Shock insulation rubber support vacuum vulcanizing device for building and vulcanizing method | |
| CN116512522B (en) | Laminated elastomer manufacturing die and manufacturing process | |
| CN212193827U (en) | Thin-wall light-weight high-rigidity SMC bumper mould pressing die for commercial vehicle | |
| CN210920193U (en) | Valve body and ball sealing structure of gas meter ball valve | |
| CN214872830U (en) | Prepreg forming die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |