CN203945700U - The carbon fiber vacuum forming mould of tool wasteway - Google Patents
The carbon fiber vacuum forming mould of tool wasteway Download PDFInfo
- Publication number
- CN203945700U CN203945700U CN201420264722.3U CN201420264722U CN203945700U CN 203945700 U CN203945700 U CN 203945700U CN 201420264722 U CN201420264722 U CN 201420264722U CN 203945700 U CN203945700 U CN 203945700U
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- China
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- wasteway
- carbon fiber
- die cavity
- counterdie
- resin
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides a kind of carbon fiber vacuum forming mould of tool wasteway, comprising: a counterdie and a patrix; This counterdie is provided with a die cavity, and a wasteway is located at the upper surface of this counterdie and round this die cavity, this counterdie is provided with at least one air duct, and this air duct is communicated with this wasteway; The carbon fiber sheet of one impregnation stir-in resin is positioned in this die cavity, places an absorber in this wasteway, and this absorber is the material with absorbability and ventilative hole; The lower surface of this patrix is provided with the profiling piece of a protrusion, and the shape of this profiling piece conforms to this die cavity, and this patrix is when counterdie is combined, and this profiling piece enters in this die cavity, makes carbon fiber sheet plastotype.Too much can overflowing to this wasteway containing resin pickup of carbon fiber sheet, and absorbed by this absorber.
Description
Technical field
The utility model relates to mould design field, particularly carbon fiber or glass fibre mould.
Background technology
The base material forming with carbon fiber (or glass fibre) braiding is used in computer, electronics and communication product in a large number.The forming method of carbon fiber product is: carbon fibre initial rinse fabric is slowly heated to after uniform temperature, keeps 40-80 minute, then naturally cooling, moulding total time is at least wanted 60 minutes.Long molding time is unfavorable for producing the lifting of efficiency, and, in HTHP forming process, resin its mobility before not solidifying being impregnated in fiber cloth can cause resin slightly down to run off, so that surface resin forms inhomogeneous situation, need in the mode of surface spraying, finishing is even again.
For overcoming the problems referred to above, industry proposes to make carbon fibre initial rinse fabric in die for molding with blast and vacuum pumping technology, seeing through blast makes carbon fibre initial rinse fabric comply with die cavity shape, see through vacuum technique and remove the gas being present in die cavity and resin, thereby raising product surface quality, reduce product hole, increase product mechanical property.Yet the resin being impregnated in carbon fiber had mobility before ot-yet-hardened, in the process vacuumizing, the resin of tool mobility is subject to the effect of vacuum force and flows, cause the distribution of resin on carbon fiber sheet to become inhomogeneous, even a fraction of resin is inhaled into vacuum draw duct or member.
Utility model content
Technical problem to be solved in the utility model is that the carbon fiber sheet about impregnation stir-in resin experiences vacuum in mould, because of before resin ot-yet-hardened mobility make it be subject to vacuum force and act on to flow, cause the distribution of resin on carbon fiber sheet to become inhomogeneous, be even inhaled into the problem in vacuum draw duct or member.This problem also occurs in resin metaideophone moulding (Resin Transfer Molding, RTM) in technology, when the passage of resin by mould injects die cavity and start impregnation carbon fiber sheet, mobile resin also can be inhaled in vacuum draw duct or member because of the effect of vacuum force.
The technical scheme in the invention for solving the above technical problem is to provide the carbon fiber vacuum forming mould of tool wasteway, and this mould comprises: a counterdie can be combined with this counterdie upper surface or separated patrix with one;
The upper face center region of this counterdie is provided with a die cavity to lower recess, and a wasteway is located at the upper surface of this counterdie and round this die cavity; This counterdie is provided with at least one air duct, and this air duct is communicated with this wasteway; The carbon fiber sheet of one impregnation stir-in resin is positioned in this die cavity, places an absorber in this wasteway, and this absorber is the material with absorbability and ventilative hole;
The lower surface of this patrix is provided with the profiling piece of a protrusion, and the shape of this profiling piece conforms to this die cavity, and this patrix is when counterdie is combined, and this profiling piece enters in this die cavity, and this patrix covers this wasteway.
Further, longitudinal degree of depth of described wasteway is greater than described die cavity.
Described wasteway is close to described die cavity.
The distance of both adjacent edges is between 1mm to 3mm.
The carbon fiber sheet that the beneficial effects of the utility model have been to overcome impregnation stir-in resin experiences vacuum in mould, because of before resin ot-yet-hardened mobility make it be subject to vacuum force and act on to flow, cause the distribution of resin on carbon fiber sheet to become inhomogeneous, be even inhaled into the problem in vacuum draw duct or member.
The utility model sees through this wasteway and absorber wherein, absorb the carbon fiber sheet ground that overflows outside this die cavity unnecessary containing resin pickup, the resin overflowing is absorbed body and adsorbs, so can not be inhaled in vacuum draw duct or member.This absorber is because possessing ventilative hole, and unlikely impact vacuumizes operation and carries out.
The unnecessary of carbon fiber sheet can be overflow to wasteway containing resin pickup, makes carbon fiber sheet contain resin pickup sufficient and average.
In this wasteway, be absorbed the resin that body absorbs, when mold heated, solidify, so that soft absorber hardens because of resin solidification originally, the absorber of sclerosis can take out very easily from this wasteway.
The resin of sclerosis can depart from wasteway along with absorber, therefore when taking out absorber, has also removed in the lump the residual resin in wasteway, the man-hour of having removed clean wasteway residual resin from.
Accompanying drawing explanation
Fig. 1 is the three-dimensional exploded view of the utility model mould.
Fig. 2 is the combination section of the utility model mould.
Fig. 3 is one of the carbon fiber sheet of impregnation stir-in resin and absorber generalized section in the utility model mould.
Fig. 4 is two of the carbon fiber sheet of impregnation stir-in resin and the generalized section of absorber in the utility model mould.
Fig. 5 is one of the utility model mould floor map of being applied to Fast Heating vacuum plastic-absorbing machine.
Fig. 6 is two of the utility model mould floor map of being applied to Fast Heating vacuum plastic-absorbing machine.
Drawing reference numeral: 10-counterdie; 11-die cavity; 12-wasteway; 13-air duct; 20-patrix; 21-profiling piece; The carbon fiber sheet of 30-impregnation stir-in resin; 40-absorber; 50-Fast Heating vacuum plastic-absorbing machine; 51-platform; 52-thin-film electro backing; 53-aspirates duct; 54-vacuum draw switch; 55-vent cap; 56-vacuum allays switch; 60-elastic pressurized structure; 61-flexible sheet; 62-framework; Airtight of 63-; 64-pivot structure
The specific embodiment
For ease of the represented central idea of explanation the utility model, hereby with specific embodiment, express.In embodiment various differences to as if in being suitable for ratio, size, deflection or the displacement of explanation, describe, but not drawn in the ratio of actual component, close first chat bright.And in the following description, similarly assembly is to represent with identical numbering.
As shown in Figure 1 to Figure 4, the carbon fiber vacuum forming mould of the utility model tool wasteway, this mould comprises: a counterdie 10 with one can with this counterdie 10 in conjunction with or separated patrix 20;
The upper face center region of this counterdie 10 is provided with one and is located at the upper surface of this counterdie 10 and round this die cavity 11, the degree of depth of this wasteway 12 is greater than this die cavity 11 to die cavity 11, one wasteways 12 of lower recess; These wasteway 12 these die cavitys 11 of next-door neighbour, the distance of both adjacent edges is between 1mm-3mm; This counterdie 10 is provided with at least one air duct 13, and this air duct 13 is communicated with this wasteway 12; The carbon fiber sheet 30 of one impregnation stir-in resin is positioned in this die cavity 11, places an absorber 40 in this wasteway 12, and this absorber 40 for having the material of absorbability and ventilative hole, for example, is made the cotton material of sheet.
The lower surface of this patrix 20 is provided with the profiling piece 21 of a protrusion, and the shape of this profiling piece 21 conforms to this die cavity 11, this patrix 20 and counterdie 10 in conjunction with time, this profiling piece 21 enters in this die cavity 11.
In hot pressing vacuum forming processing procedure, this patrix 20 and counterdie 10 combinations, this profiling piece 21 and this die cavity 11 are by wherein carbon fiber sheet 30 precompressed of impregnation stir-in resin, this counterdie 10 is heated to predetermined temperature, for the resin of 30 impregnations of carbon fiber sheet is solidified, and the shape of this carbon fiber sheet 30 of shaping.Before resin not yet solidifies, the precompression of the mobility of resin and profiling piece 21, can make the unnecessary resin of these carbon fiber sheet 30 impregnations from die cavity 11, be spilled over to this wasteway 12, by this absorber 40, is absorbed.When counterdie 10 is heated to predetermined temperature and maintains a scheduled time, be impregnated in the resin solidification of carbon fiber sheet 30, make carbon fiber sheet 30 moulding according to the shape of profiling piece 21 and die cavity 11.Meanwhile, in this wasteway 12, be absorbed the resin that body 40 absorbs and also solidify in the lump, so that soft absorber 40 hardens because of resin solidification originally.
In in above-mentioned hot-forming process, coordinate and vacuumize operation, the air between patrix 20 and counterdie 10 is pulled out via this air duct 13, eliminates accordingly this carbon fiber sheet containing the bubble of resin pickup.Therefore because absorber 40 has ventilative hole, when vacuumizing the air duct 13 of operation through this counterdie 10 and extract the air between patrix 20 and counterdie 10, this absorber 40 can't hinder the eliminating of intermode air.When vacuumizing operation and carry out, because the overflow in advance of the resin of carbon fiber sheet impregnation is to this wasteway 12, so the resin of 30 impregnations of this carbon fiber sheet average distribution substantially, and remaining excessive resin is because being absorbed body 40 in wasteway 12 absorbs, therefore can along with the air-flow vacuumizing, not be inhaled in vacuum draw duct or member.
These wasteway 12 these die cavitys 11 of next-door neighbour of the utility model special design are in order to make remaining excessive resin in die cavity 11 easily flow to this wasteway 12, to avoid it to spread between patrix 20 and counterdie 10.And the degree of depth of this wasteway 12 is greater than this die cavity 11, be to be convenient to overflow to the resin sedimentation faster in this wasteway 12, and adverse current is not returned in this die cavity 11.
After hot pressing vacuum forming processing procedure completes, this carbon fiber sheet products formed is taken out in die sinking, the absorber 40 of above-mentioned sclerosis can be removed very easily from this wasteway 12, and also removed in the lump the residual resin in wasteway 12, the man-hour of having removed the residual resin of clean wasteway from when taking out absorber 40.
As Fig. 5 and Fig. 6, mould of the present utility model is applied to the floor map of Fast Heating vacuum plastic-absorbing machine 50, after this counterdie 10 and patrix 20 combinations, be placed on the platform 51 of this Fast Heating vacuum plastic-absorbing machine 50, in this platform 51, bury thin-film electro backing 52 underground, control this platform 51 and on the utility model mould be rapidly heated and lower the temperature, this platform 51 is established a suction duct 53, this suction duct 53 is communicated with the air duct 13 of this counterdie 10, this suction duct 53 is controlled conducting or is closed by a vacuum draw switch 54, this vacuum draw switch 14 connects a vacuum suction apparatus (not shown).This platform 51 is separately established a vent cap 55, and this vent cap 55 is communicated with the surface of this platform 51, and this vent cap 55 allays switch 56 by a vacuum and controls conducting or close, and this vacuum allays switch 56 and connects an air gatherer (not shown).
This Fast Heating vacuum plastic-absorbing machine 50 separately has an elastic pressurized structure 60, and this elastic pressurized structure 60 comprises that a flexible sheet 61 and is incorporated into this flexible sheet 61 to keep the framework 62 of this membrane tension.This flexible sheet 61 is silica gel material, the about 1mm～2mm of thickness, and heat resisting temperature is 300 ℃.This elastic pressurized structure 60 can be with respect to these platform 51 combinations or separated.Known pivot structure 64 can make a side of this framework 62 and a side of this platform 51 be combined, and makes this elastic pressurized structure 60 manually to lift the mode and these platform 51 combinations or separated of closing.This elastic pressurized structure 60 also can be installed on through support body the top of this platform 51, and makes this elastic pressurized structure 60 and 51 combinations or separated of this platform through the driving of power cylinder.This framework 62 is provided with airtight 63 with the periphery of this platform 51, make both in conjunction with time keep airtight.
When elastic pressurized structure 60 and these platform 51 combinations, this flexible sheet 61 covers completely and covers this patrix 20.When vacuumizing operation and start to carry out, except extracting the air between this patrix 20 and counterdie 10, also this platform 51 is vacuumized into negative pressure state with the space between this flexible sheet 61, this flexible sheet 61 is along the profile of this counterdie 10 and patrix 20 and be out of shape, to these patrix 20 mineralization pressures, carbon fiber sheet 30 to impregnation stir-in resin between die cavity 11 and profiling piece 21 is bestowed the strength being evenly distributed, this carbon fiber sheet is shaped according to this die cavity 11 and profiling piece 21, after hardening of resin, form a carbon fiber finished product.Die sinking after moulding, first this vacuum draw switch 54 and this vacuum suction apparatus are closed, then open this vacuum and allay switch 56 and air gatherer, air is imported between platform 51 and flexible sheet 61, air also sees through this air duct 13 and enters between this patrix 20 and counterdie 10, remove negative pressure state, elastic pressurized structure 60 is able to separated with platform 51.
Claims (4)
1. a carbon fiber vacuum forming mould for tool wasteway, is characterized in that, it comprises:
One counterdie and one can be relative with this counterdie in conjunction with or separated patrix;
The upper face center region of this counterdie is provided with a die cavity to lower recess, and a wasteway is located at the upper surface of this counterdie and round this die cavity, this counterdie is provided with at least one air duct, and this air duct is communicated with this wasteway;
The carbon fiber sheet of one impregnation stir-in resin is positioned in this die cavity;
One absorber is positioned in this wasteway, and this absorber is the material with absorbability and ventilative hole;
The lower surface of this patrix is provided with the profiling piece of a protrusion, and the shape of this profiling piece conforms to this die cavity; When this patrix is combined with this counterdie, this profiling piece enters in this die cavity, and this patrix covers this wasteway.
2. the carbon fiber vacuum forming mould of tool wasteway as claimed in claim 1, is characterized in that, longitudinal degree of depth of described wasteway is greater than described die cavity.
3. the carbon fiber vacuum forming mould of tool wasteway as claimed in claim 1, is characterized in that, described wasteway is close to described die cavity.
4. the carbon fiber vacuum forming mould of tool wasteway as claimed in claim 3, is characterized in that, the distance of both adjacent edges is between 1mm to 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420264722.3U CN203945700U (en) | 2014-05-22 | 2014-05-22 | The carbon fiber vacuum forming mould of tool wasteway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420264722.3U CN203945700U (en) | 2014-05-22 | 2014-05-22 | The carbon fiber vacuum forming mould of tool wasteway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203945700U true CN203945700U (en) | 2014-11-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420264722.3U Expired - Fee Related CN203945700U (en) | 2014-05-22 | 2014-05-22 | The carbon fiber vacuum forming mould of tool wasteway |
Country Status (1)
| Country | Link |
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| CN (1) | CN203945700U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106217904A (en) * | 2016-07-20 | 2016-12-14 | 保定华翼风电叶片研究开发有限公司 | The preparation facilities of a kind of extruded bright finish uniform thickness fiberglass test flat board and method |
| CN110920101A (en) * | 2019-10-21 | 2020-03-27 | 成都鲁晨新材料科技有限公司 | Composite material forming die |
| CN110948906A (en) * | 2019-12-09 | 2020-04-03 | 宁波市益普乐模塑有限公司 | Manufacturing process of carbon fiber automobile door outer panel |
| CN112659595A (en) * | 2020-12-17 | 2021-04-16 | 沈阳航天新光集团有限公司 | Device and method for removing solvent in carbon fiber polyimide composite bottle body in layered mode |
| CN113442349A (en) * | 2020-03-25 | 2021-09-28 | 源川国际股份有限公司 | Method for manufacturing component |
-
2014
- 2014-05-22 CN CN201420264722.3U patent/CN203945700U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106217904A (en) * | 2016-07-20 | 2016-12-14 | 保定华翼风电叶片研究开发有限公司 | The preparation facilities of a kind of extruded bright finish uniform thickness fiberglass test flat board and method |
| CN110920101A (en) * | 2019-10-21 | 2020-03-27 | 成都鲁晨新材料科技有限公司 | Composite material forming die |
| CN110948906A (en) * | 2019-12-09 | 2020-04-03 | 宁波市益普乐模塑有限公司 | Manufacturing process of carbon fiber automobile door outer panel |
| CN113442349A (en) * | 2020-03-25 | 2021-09-28 | 源川国际股份有限公司 | Method for manufacturing component |
| CN113442349B (en) * | 2020-03-25 | 2022-10-11 | 源川国际股份有限公司 | Method for manufacturing component |
| CN112659595A (en) * | 2020-12-17 | 2021-04-16 | 沈阳航天新光集团有限公司 | Device and method for removing solvent in carbon fiber polyimide composite bottle body in layered mode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20180522 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |