CN205951331U - Resin transfer molding forming die - Google Patents
Resin transfer molding forming die Download PDFInfo
- Publication number
- CN205951331U CN205951331U CN201620851132.XU CN201620851132U CN205951331U CN 205951331 U CN205951331 U CN 205951331U CN 201620851132 U CN201620851132 U CN 201620851132U CN 205951331 U CN205951331 U CN 205951331U
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- CN
- China
- Prior art keywords
- epimorph
- transfer molding
- resin transfer
- end caps
- groove
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Abstract
The utility model discloses a resin transfer molding forming die, including dabber, epimorph and terminal surface apron, the epimorph is both ends open -ended tubular structure, the tip and the terminal surface apron dismantlement formula of epimorph are connected, it is interior and coaxial with the epimorph that the epimorph is located to the dabber cover, it is used for the fashioned cavity of resin transfer molding to form one between dabber and the epimorph, the through -hole has been seted up at the middle part of terminal surface apron, the through -hole with the cavity is linked together. The utility model discloses can show and shorten the injecting glue and arrange the bubble time, alleviate the required high pressure of injection to and the resin erodees hole that the fibre brought, does the scheduling problem, the goods resin homogeneous immersion that from this makes, and the performance dispersibility is little.
Description
Technical field
This utility model is related to a kind of mould, especially relates to a kind of resin transfer molding mould.
Background technology
In resin transfer moulding (RTM) technical process, the surface treatment of product quality and mould, sealing and ejecting mechanism
Setting, the size of injection orifice and position, the number of steam vent and position closely related, if Design of Dies has some defects
(as intensity, sealing etc.), then resin and interfibrous bonding force will reduce, thus deteriorating surface quality and the mechanicalness of product
Energy.It is important that the selection of filling flow problem, wherein injection system has important impact to productivity ratio in RTM moulding process,
The flowing of Suitable resin and the geometry of product are wanted in the design of resin inlet, meet the restriction of resin gel time, eliminate
Resin jet phenomenon.During existing RTM injection molding has use, injecting glue process is long with row's bubble time, and composite
The problems such as product surface defect.
Utility model content
Technical problem to be solved in the utility model is, for above-mentioned deficiency of the prior art, to provide a kind of resin
Transfer molding mould.This mould can significantly shorten injecting glue and row's bubble time, mitigates the required high pressure of injection, Yi Jishu
The problems such as fat washes away the hole that fiber brought, does, thus obtained product resin homogeneous immersion, performance dispersibility is little.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of resin transfer molding mould
Tool it is characterised in that：Including mandrel, epimorph and end caps, described epimorph is the tubular structure of both ends open, described outer
The end of shape mould and end caps are detachably connected with, and described core sleeve is in epimorph and coaxial with epimorph, described mandrel
Form a chamber being used for resin transfer molding and epimorph between, the middle part of described end caps offers through hole,
Described through hole is connected with described chamber.
A kind of above-mentioned resin transfer molding mould it is characterised in that：Carve on described epimorph end face and be provided with together
Annular groove, is filled with sealing ring in described annular groove.
A kind of above-mentioned resin transfer molding mould it is characterised in that：The end of described mandrel is provided with boss, institute
State and the groove being adapted to described boss is provided with end caps.
A kind of above-mentioned resin transfer molding mould it is characterised in that：Carve on described end caps and be provided with multiple tracks stream
Glue groove, described in multiple tracks, spew groove is all connected with described through hole.
A kind of above-mentioned resin transfer molding mould it is characterised in that：Carve on described end caps and be provided with one storage
Glue groove, described storage glue groove is cirque structure, and spew groove described in multiple tracks is all connected with storage glue groove.
A kind of above-mentioned resin transfer molding mould it is characterised in that：Be provided with described end caps multiple just
Concave station in handling.
A kind of above-mentioned resin transfer molding mould it is characterised in that：It is all provided with described end caps and epimorph
It is equipped with multiple pilot holes, described assembling in the hole dismountable is provided with bolt, and described bolts and nuts are connected.
This utility model compared with prior art has advantages below：
1st, this utility model structure is simple, novel in design reasonable, and it is convenient to realize, and practical, using effect is good, is easy to push away
Extensively.
2nd, this utility model achieves positioning, guiding resin flowing dual-use function, and structure is simple, easy to process, low cost,
Make mould inside construct to simplify.
3rd, this utility model solves the uneven phenomenon of resin infiltration in RTM molding process, can mitigate injection required
High pressure, and the problems such as resin washes away the hole that fiber brought, does, thus obtained product resin homogeneous immersion,
Performance dispersibility is little.
When the 4th, carrying out injecting glue using this utility model, the time of resin mold filling is subtracted than using the mould-filling time of original structure injecting glue
Lack 65%.Resin has flow rate faster, and voidage is also low by 28% than using original structure, and bending strength improves
6%.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Brief description
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of this utility model end caps.
Fig. 3 is the D-D sectional view of Fig. 2.
Fig. 4 is the structural representation of this utility model mandrel.
Description of reference numerals:
1 mandrel；1-1 boss；
2 epimorphs；3 end caps；
3-1 through hole；3-2 pilot hole；
3-3 groove；3-4 concave station；
3-5 spew groove；3-6 storage glue groove；
4 bolts；5 nuts；
6 sealing rings；7 chambers.
Specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, this utility model includes mandrel 1, epimorph 2 and end caps 3, described epimorph 2
For the tubular structure of both ends open, the end of described epimorph 2 and end caps 3 are detachably connected with, and described mandrel 1 is sheathed on outer
In shape mould 2 and coaxial with epimorph 2, form a chamber being used for resin transfer molding between described mandrel 1 and epimorph 2
Room 7, the middle part of described end caps 3 offers through hole 3-1, and described through hole 3-1 is connected with described chamber 7.
Through hole 3-1 on end caps 3 of the present utility model, can be as hole for injecting glue it is also possible to as dumping hole, also may be used
As steam vent, ensure that the gel content of products formed and the stable, controlled of briquetting pressure.
As shown in figure 1, carve on the end face of described epimorph 2 being provided with one annular groove, the center of circle of annular groove and profile
The center of circle of mould 2 end face overlaps, and is filled with sealing ring 6 in described annular groove, with ensure the pressure of mould inside and vacuum and
Prevent resin leakage.
As shown in Figure 1 and Figure 4, the end of described mandrel 1 is provided with boss 1-1, as shown in figure 3, on described end caps 3
It is provided with the groove 3-3 being adapted to described boss 1-1, being designed to of boss 1-1 and groove 3-3 realizes the accurately fixed of the two
Position.
As shown in Fig. 2 being provided with multiple tracks spew groove 3-5 on described end caps 3, spew groove 3-5 described in multiple tracks is all and institute
State through hole 3-1 connection.After resin adhesive liquid flows into, being uniformly distributed of resin adhesive liquid is capable of by the setting of spew groove 3-5, from
And make product gel content uniform.
As shown in Fig. 2 carve on described end caps 3 being provided with one storage glue groove 3-6, described storage glue groove 3-6 is tied for annular
Structure, described in multiple tracks, spew groove 3-5 is all connected with storage glue groove 3-6.After resin adhesive liquid flows into, by spew groove 3-5 and storage glue groove 3-6
Form space buffer position cement storage chamber, resin, along cement storage chamber face parallel Uniform Flow wetting fibre, makes product gel content uniformly, gram
Take composite to there is hole, do.
As shown in Fig. 2 multiple concave station 3-4 be easy to and load and unload are provided with described end caps 3.
As shown in figure 1, multiple pilot hole 3-2, described pilot hole 3-2 are provided with described end caps 3 and epimorph 2
Interior dismountable is provided with bolt 4, and described bolt 4 and nut 5 are connected, thus ensureing that during mould fastening, stress is in same side
To.
Assembling process of the present utility model is：Mandrel 1 is inserted in epimorph 2, and makes the two coaxial, then in profile
Mandrel 1 end is embedded in end caps 3, by boss 1-1 and groove 3- by pad one sealing ring 6 afterwards in the annular groove of mould 2
3 realize being accurately positioned of mandrel 1 and end caps 3, finally using bolt 4 and nut 5, end caps 3 are alignd with epimorph 2
Assembling, when so that mould is fastened, stress is in same direction.
When carrying out RTM molding using this utility model, first the reinforcing materials such as fiber are coated on outside mandrel 1, then assemble
Glue is passed through a through hole 3-1 and injects in mould by good mould described in the utility model afterwards, and another through hole 3-1 and vacuum
Equipment connects, thus realizing condition of negative pressure, so that glue is entered under condition of negative pressure in chamber 7 and the reinforcing materials such as fiber are realized all
Even dipping, impregnation finish after through cured, thus making RTM composite molding product.In a word, this utility model can be notable
Shorten injecting glue and row's bubble time, mitigate the required high pressure of injection, and resin washes away the hole that fiber brought, does etc. and asking
Topic, thus obtained product resin homogeneous immersion, performance dispersibility is little.
The above, be only preferred embodiment of the present utility model, not this utility model imposed any restrictions, every
Any simple modification, change and equivalent structure change above example made according to this utility model technical spirit, all still
Belong in the protection domain of technical solutions of the utility model.
Claims (7)
1. a kind of resin transfer molding mould it is characterised in that：Including mandrel (1), epimorph (2) and end caps (3),
Described epimorph (2) is the tubular structure of both ends open, and the end of described epimorph (2) and end caps (3) are detachably connected with,
Described mandrel (1) is sheathed in epimorph (2) and coaxial with epimorph (2), formation between described mandrel (1) and epimorph (2)
One chamber (7) being used for resin transfer molding, the middle part of described end caps (3) offers through hole (3-1), described logical
Hole (3-1) is connected with described chamber (7).
2. a kind of resin transfer molding mould according to claim 1 it is characterised in that：Described epimorph (2)
Carve on end face and be provided with one annular groove, in described annular groove, be filled with sealing ring (6).
3. a kind of resin transfer molding mould according to claim 1 it is characterised in that：The end of described mandrel (1)
Portion is provided with boss (1-1), and described end caps (3) are provided with the groove (3-3) being adapted with described boss (1-1).
4. a kind of resin transfer molding mould according to claim 1 it is characterised in that：Described end caps (3)
It is provided with multiple tracks spew groove (3-5) upper quarter, described in multiple tracks, spew groove (3-5) is all connected with described through hole (3-1).
5. a kind of resin transfer molding mould according to claim 4 it is characterised in that：Described end caps (3)
Be provided with one storage glue groove (3-6) upper quarter, described storage glue groove (3-6) be cirque structure, spew groove (3-5) described in multiple tracks all with store up
Glue groove (3-6) connects.
6. a kind of resin transfer molding mould according to claim 1 it is characterised in that：Described end caps (3)
On be provided with multiple be easy to load and unload concave stations (3-4).
7. a kind of resin transfer molding mould according to claim 1 it is characterised in that：Described end caps (3)
With multiple pilot holes (3-2) are provided with epimorph (2), the interior dismountable of described pilot hole (3-2) is provided with bolt (4), institute
State bolt (4) to be connected with nut (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620851132.XU CN205951331U (en) | 2016-08-08 | 2016-08-08 | Resin transfer molding forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620851132.XU CN205951331U (en) | 2016-08-08 | 2016-08-08 | Resin transfer molding forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205951331U true CN205951331U (en) | 2017-02-15 |
Family
ID=57973602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620851132.XU Active CN205951331U (en) | 2016-08-08 | 2016-08-08 | Resin transfer molding forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205951331U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107283877A (en) * | 2017-06-26 | 2017-10-24 | 安徽开诚电器有限公司 | Resin molding mold |
| CN110936637A (en) * | 2019-10-29 | 2020-03-31 | 全球能源互联网研究院有限公司 | Mold for vacuum impregnation of composite insulating pipe, preparation method of composite insulating pipe and composite insulating pipe |
| CN113997474A (en) * | 2021-10-28 | 2022-02-01 | 澳科利高新技术（无锡）有限公司 | Composite material roller surface treatment method and casting mold thereof |
| CN115654052A (en) * | 2022-10-18 | 2023-01-31 | 武汉纺织大学 | Compression type tubular shape memory composite structure and manufacturing method thereof |
-
2016
- 2016-08-08 CN CN201620851132.XU patent/CN205951331U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107283877A (en) * | 2017-06-26 | 2017-10-24 | 安徽开诚电器有限公司 | Resin molding mold |
| CN110936637A (en) * | 2019-10-29 | 2020-03-31 | 全球能源互联网研究院有限公司 | Mold for vacuum impregnation of composite insulating pipe, preparation method of composite insulating pipe and composite insulating pipe |
| CN113997474A (en) * | 2021-10-28 | 2022-02-01 | 澳科利高新技术（无锡）有限公司 | Composite material roller surface treatment method and casting mold thereof |
| CN115654052A (en) * | 2022-10-18 | 2023-01-31 | 武汉纺织大学 | Compression type tubular shape memory composite structure and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180423 Address after: 710089 42 aviation nine road, National Aviation hi tech industrial base, Yanliang District, Xi'an, Shaanxi Patentee after: Xi'an Carbon Material Co., Ltd. Address before: Room 2, No. 710075, science and Technology Industrial Park, No. 32, unity South Road, high tech Zone, Shaanxi, Xi'an, China Patentee before: XI'AN CHAOMA COMPOSITE MATERIALS CO., LTD. |