CN106393734A - Method for manufacturing fiber reinforced composite material molded product using stamping die - Google Patents
Method for manufacturing fiber reinforced composite material molded product using stamping die Download PDFInfo
- Publication number
- CN106393734A CN106393734A CN201610941960.7A CN201610941960A CN106393734A CN 106393734 A CN106393734 A CN 106393734A CN 201610941960 A CN201610941960 A CN 201610941960A CN 106393734 A CN106393734 A CN 106393734A
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- CN
- China
- Prior art keywords
- mould
- prepreg
- cooling gas
- stamping surface
- cured prepreg
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
Abstract
A method for manufacturing a fiber reinforced composite material molded product using a stamping die in the stamping field comprises: arranging a prepreg between an upper die and a lower die for pressing and heating at the same time; separating the upper die and the lower die; and applying cooled gas to cured prepregs located on stamping surfaces of the upper and lower dies and the stamping surfaces to demould the cured prepregs from the die. Compared with a method in the prior art, the method is better in productbility and less in energy loss.
Description
The present invention asks the applying date：On January 8th, 2016, application number：Special 2,016 2827, denomination of invention：Fiber-reinforced composite
The Japan earlier application priority of the manufacture method of material shaped article and its diel.
Technical field
The present invention relates to a kind of technology in punch forming field, specifically one kind will manufacture after prepreg punch forming
The punching press mould that the method for fibre reinforced composites shaped article and this manufacture method are used.
Background technology
Fibre reinforced composites shaped article typically adopts the materials such as epoxy resin, therefore can be by being soaked with epoxy resin
Stain fibre bundle, be dried after obtain prepreg, then be heated, pressurize be allowed to solidify method manufacture.
Described in the paragraph [0022] of [No. 2013/081058 pamphlet of International Publication No.], such manufacture method is generally wrapped
Include autoclave molding, vacuum-bag process, RTM method, punch forming, wherein with stamping forming production efficiency highest, produced
Fibre reinforced composites shaped article quality preferably, be therefore widely used.
Prior art as [No. 2013/081058 pamphlet of International Publication No.], but in prior art due to prepreg with
Metal material is different, and the prepreg that have cured during punch forming is easy to be attached on mould, when needing, attachment is cured
When prepreg is separated with mould (demoulding), need first cool down mould, and cool down the spent time every time and all can make production efficiency
Produce low accordingly.Existing mould cooling means is using more time-consuming water-cooled or oil cooling, and ought need after the cooling period
When continuing to make fibre reinforced composites products formed, the mould of cooling must be heated to original temperature again, so
The continuous whole process making fibre reinforced composites products formed takes long.
Content of the invention
The present invention is directed to deficiencies of the prior art, proposes one kind and manufactures fiber-reinforced composite using diel
The method of material shaped article, has the advantages that time-consuming short, energy loss is few.
The present invention is achieved by the following technical solutions：
The present invention relates to a kind of manufacture method of fibre reinforced composites shaped article, by prepreg is arranged at
Together pressurizeed between mould and lower mould and heated, then above-mentioned upper mould is separated from each other with lower mould, and to be attached to upper mould and
Apply cooling gas, so that cured prepreg is from mould between cured prepreg on the stamping surface of lower mould and stamping surface
The tool demoulding.
The edge of described stamping surface is provided with rake so that above-mentioned cooling gas be easier to go deep into cured prepreg with
Between stamping surface, and this rake has from the edge of stamping surface toward center diffusion type structure, thus by cooling gas from inclining
Inclined portion imports to the center of stamping surface.
The invention further relates to a kind of mould realizing said method, including the stamping surface accompanying by above-mentioned prepreg,
And for making above-mentioned cooling gas be easier to go deep between above-mentioned cured prepreg and above-mentioned stamping surface to be arranged on above-mentioned punching press
The punching press mould of the rake at face edge.
Described punching press mould is the mould with hollow structure.
Technique effect
Compared with prior art, the manufacture method of the present invention can will attach to the cured preimpregnation on mould at short notice
The material demoulding.And because need not by mould cooling reach with can the same temperature of the demoulding, cured prepreg, decrease temperature
Fluctuate, reach the effect of suppression energy loss.
Brief description
Fig. 1 is that in embodiment, prepreg is configured at schematic diagram during lower mould；
Fig. 2 is in embodiment to be clipped between upper die and lower die upper mould toward decline, by prepreg, when pressurization simultaneously, heating
State schematic diagram；
Fig. 3 is the schematic diagram in embodiment returning to upper mould during origin-location；
In figure：Prepreg is attached to mould；
Fig. 4 is the schematic perspective view A of upper mould；
Fig. 5 is the side view of upper mould；
Fig. 6 is the schematic perspective view B of upper mould, as Fig. 4 rollover states；
Fig. 7 is the sectional view of upper mould；
In figure：1 punch forming device, 2 prepregs, 21 cured prepregs (fibre reinforced composites shaped article), 3
Upper mould, 31 stamping surfaces, 32 rakes, 33 handle portions, 34 hollow bulbs, 4 times moulds, 5 cooling ends, 51 cooling gas blowing units, 52 cold
But conduit, mould heating part, 7 times mould heating parts on 6.
Specific embodiment
The present embodiment is related to a kind of manufacture method of fibre reinforced composites shaped article, by by carbon fiber, glass
The fibre bundle thermoplastic resin such as fiber or heat-curing resin infiltrate and prepreg obtained by being dried, and stamped molding simultaneously obtains
Fiber-resin composite shaped article, or above-mentioned prepreg is formed with engaging after the metal pressurized, heated such as aluminum, ferrum, titanium
Fiber-resin composite/metal be integrally formed product.Fibre reinforced composites shaped article is according to purposes, shape
Without can be used in the parts of aircraft, automobile etc..
The manufacture method of the present embodiment passes through upper mould 3 as shown in Figure 1, the punch forming device 1 of lower mould 4 is realized, this dress
The upper mould 3 put is movable up and down, and realizes compression (punching press) object between upper mould 3 and lower mould 4.
In described punch forming device 1, upper mould heating part 6 and lower mould heating part 7 are set further, respectively to upper
Mould 3 is heated with lower mould 4.
It is provided with cooling end 5 in described punch forming device 1.
The present embodiment is directed to the fiber-resin composite shaped article in fibre reinforced composites shaped article
Manufacture process specific as follows：
1) first upper mould 3 is heated to 130 DEG C～150 DEG C about with lower mould 4.
2) secondly, near the middle body above lower mould 4, configure the epoxy prepreg 2 containing carbon fiber.Now,
As needed prepreg 2 is carried out preparation heating.This state is as shown in Figure 1.
Additionally, being integrally formed product rather than fiber-resin composite manufacturing fibre reinforced composites/metal
During shaped article, prepreg is configured on the metals such as the ferrum of lamellar, aluminum, titanium.
3) and then by upper mould 3 move downward, prepreg 2 is clipped between upper mould 3 and lower mould 4 and pressurizes.Now pressure
About 1MPa～8MPa about.The punching press time is 30 seconds～180 seconds about.This state is as shown in Figure 2.
Through above-mentioned pressurization, heating process, now prepreg 2 becomes cured prepreg 21 (fibre reinforced composites
Shaped article).
4) in order to take out cured prepreg 21, need to be by upper mould 3 toward rising.Now cured prepreg 21 is attached to
The surface of mould 3.Because cured prepreg 21 and upper mould 3 are all in the condition of high temperature, therefore cannot be immediately by cured prepreg
21 from upper mould 3 separated demolding.
5) it is to make the demoulding of cured prepreg 21, need to be by the cooling gas inducing from cooling gas conduit 52 from cooling gas
Body blowing unit 51 applies towards the plane of structure direction of cured prepreg 21, with allow cooling gas as go deep into cured prepreg 21 with
Fully it is applied for optimal between upper mould 3.
For making cooling gas start equably to spread applying towards the side of cured prepreg 21, non-circular with flat
Cooling ejiction opening be optimal.
6) after applying cooling gas, stamping surface 31 (surface) instantaneous cooling of cured prepreg 21 and upper mould 3, now
Solidification prepreg 21 gets final product the demoulding.
Described cooling gas need to be only to allow cured prepreg 21 and the instantaneously cooled gas of stamping surface 31, enters
One step is preferably 20 DEG C about of air.Described 20 DEG C about cooling gas preferably employ Japan essence device Co. Ltd. system
The cold air generator made generates.
The cured prepreg 21 cooling down now by applying cooling gas is from the demoulding of upper mould 3.Needed for the demoulding when
Between be from apply cooling gas start to take around 5 seconds～60 seconds about extremely short time.And when cured prepreg 21 takes off
The temperature of the mould after mould is 120～140 DEG C about.In other words, in the case of using the cooling gas demoulding, the temperature of mould is only
Have dropped 5 DEG C～10 DEG C about.
In sum, this method is passed through, towards being attached to applying cooling gas between the prepreg on mould and stamping surface, to make
The attachment portion of mould and cured prepreg cools down rapidly thus the smooth demoulding.
Said method employs the cured prepreg 21 making above-mentioned cooling gas be easier to deep attachment and stamping surface 31
Between structure mould realize, specifically：
Cooling gas are made to be easier to go deep into inclining of the middle body of stamping surface 31 as shown in figure 4, described upper mould 3 is provided with
Inclined portion 32.
Preferably, the cooling gas for making to apply from blowing unit 51 be easier to the cured prepreg 21 of deep attachment with
Between stamping surface 31, described rake 32 is arranged near described cooling gas blowing unit 51.
It is further preferred that the shape of described rake 32 that cooling gas can be made can be uniformly applied to stamping surface 31 is whole
Body, specifically, rake 32 shape to be optimal from center portion divides diffusion type thereto at the edge of upper mould 3, such as Fig. 4 embodiment
Shown trapezoidal shape.
The angle of inclination of described rake 32 is simultaneously unrestricted, preferably relatively to go up 10～45 ° about of the setting face of mould.
As shown in Fig. 5 (side view), Fig. 6 (axonometric chart B), Fig. 7 (sectional drawing), described upper mould 3 is preferably in its stamping surface
31 opposite side is provided with the hollow bulb 34 hollowing out, and this hollow bulb specifically refers to the opposite side that prepreg is contacted with upper mould or lower mould
(with reference to Fig. 6 etc.).
The shape of described hollow bulb 34 using but be not limited to cuboid as shown in Figure 6, its size is simultaneously unrestricted, but with
Ratio between the 50%～80% of mould overall volume is optimal.
Described hollow bulb 34, also can be by the way of plate-shape metal be combined and spliced in addition to directly hollowing out cast metals and making
Realize.Such method that sheet material is combined making mould is also within the scope of the invention.Manufacture in this way and can suppress discarded
The generation of thing, can arrange the hollow bulb of large space simultaneously.
The present embodiment, therefore can be in mould due to mould not being carried out with water-cooled process, need not configure water cooling tube in mould
Middle setting hollow bulb, the mould being provided with hollow bulb 34 is about light by 2/3 with the ingot casting shaped mold phase weight/power ratio being not provided with hollow bulb
～1/2, more mold exchange of being more convenient for, during heating, temperature is lifted faster.
As shown in Fig. 1～Fig. 7, described mould is further provided with handle portion 33, can be replaced into required form if necessary
Mould.
The fibre reinforced composites shaped article of the present invention is not limited in lamellar, also can be fabricated to other shapes.
The present embodiment technique effect includes：
1) method manufacturing fibre reinforced composites shaped article after adopting prepreg 2 punch forming, that is, including will be upper
State operation, the work prepreg being clipped in the middle 2 pressurizeed simultaneously and is heated that prepreg 2 is clipped between mould 3 and lower mould 4
Sequence, the operation that above-mentioned upper mould 3 is separated from each other with lower mould 4, toward wherein one side's being attached to above-mentioned upper mould 3 and above-mentioned lower mould 4
Apply cooling gas between cured prepreg 21 on stamping surface 31 and its accompanying above-mentioned stamping surface 31, so that on
The method stating the operation from mold releasability for the cured prepreg 21.The method can make the cured prepreg being attached on mould exist
The demoulding in short time, the height of temperature reduces, and reduces energy loss simultaneously.
Specifically, by cooling gas are applied between cured prepreg 21 and above-mentioned stamping surface 31, make attachment
Part rapidly cool down, so that cured prepreg 21 gets final product the demoulding at short notice.Decrease lifting temperature (130 simultaneously
～150 DEG C) to be manufactured the time of required consuming next time.
Due to mould bulk temperature need not be reduced, mold temperature will not too low (only general reduce by 5 DEG C～10 DEG C about),
Being more convenient for, it is temperature required to be heated to.And existing Water Cooling Technology is due to needing for mold temperature to drop to less than 100 DEG C, when again
Not only taken but also energy loss during heating.Therefore energy while time-consuming it is suppressed that spent by heating for the present invention.
Cooling gas can allow mould and prepreg rapidly cool down and the demoulding, thus preventing fibre bundle from occurring in resin simultaneously
Deformation, displacement.
2) it is to make above-mentioned cooling gas be easier to go deep between above-mentioned cured prepreg 21 and above-mentioned stamping surface 31, upper
State the edge setting rake 32 of stamping surface 31.Above-mentioned cooling gas are led toward the center of above-mentioned stamping surface from above-mentioned rake 32
Enter, make more cooling gas be easier to go deep between cured prepreg 21 and stamping surface, so that the cooling speed of stamping surface
Degree becomes to be exceedingly fast.
3) above-mentioned rake 32 have from the edge of above-mentioned stamping surface 31 toward the center of above-mentioned stamping surface 31 spread general
Shape, the gas therefore being imported from rake 32 is easy to spread between the cured prepreg 21 and stamping surface 31 of attachment, that is,
Can be in other times by the demoulding of cured prepreg 21.
4) in above-mentioned upper mould 3 and lower mould 4, at least one is hollow mould so that ought cool down, cured prepreg 21 takes off
Then can be heated to temperature required after mould more quickly, save the time of manufacturing process, so that the life of cured prepreg 21
Yield improves the amount corresponding to the unit interval.Hollow mould is more light and handy simultaneously, be easy to replacement, has reached water-cooled in every respect
The effect that mould cannot be reached.
5) it is will to manufacture the mould that fibre reinforced composites shaped article uses after prepreg 2 punch forming, that is,
Go deep into above-mentioned cured prepreg including the stamping surface 31 accompanying by above-mentioned prepreg 2 and for making above-mentioned cooling gas be easier to
It is arranged on the punching press mould of the rake 32 at above-mentioned stamping surface 31 edge between 21 and above-mentioned stamping surface 31.This diel
For the process of fibre reinforced composites shaped article and its important will be manufactured after prepreg 2 punch forming, cold by applying
But gas is so that the cured prepreg 2 being attached to stamping surface 31 is easier to from stamping surface 31 demoulding.
6) above-mentioned mould is hollow, you can realize above-mentioned quick heating, cooling, thus reducing manufacturing time, and due to
Volume is light and handy, be conveniently replaceable, and also alleviates the burden of operator.
Above-mentioned be embodied as can by those skilled in the art on the premise of without departing substantially from the principle of the invention and objective with difference
Mode local directed complete set is carried out to it, protection scope of the present invention is defined by claims and is not embodied as institute by above-mentioned
Limit, each implementation in the range of it is all by the constraint of the present invention.
Claims (10)
1. a kind of manufacture method of fibre reinforced composites shaped article is it is characterised in that by being arranged at prepreg
Together pressurizeed between mould and lower mould and heated, then above-mentioned upper mould is separated from each other with lower mould, and to be attached to upper mould and
Apply cooling gas, so that cured prepreg is from mould between cured prepreg on the stamping surface of lower mould and stamping surface
The tool demoulding；
The edge of described stamping surface is provided with rake, so that above-mentioned cooling gas are easier to go deep into cured prepreg and punching press
Between face, and this rake has from the edge of stamping surface toward center diffusion type structure, thus by cooling gas from rake
Import to the center of stamping surface.
2. manufacture method according to claim 1, is characterized in that, described upper mould is tied for hollow with least one in lower mould
Structure.
3. manufacture method according to claim 1, is characterized in that, described pressurization and heating, is referred to：By prepreg
Or the prepreg being placed on the metal of lamellar to be clipped between mould and lower mould and apply pressure be 1MPa～8Mpa, the punching press time
For 30 seconds～180 seconds.
4. manufacture method according to claim 1, is characterized in that, the temperature of described cooling gas is 20 DEG C.
5. a kind of mould realizing any of the above-described claim methods described is it is characterised in that include accompanying by described prepreg
Stamping surface, and go deep between described cured prepreg and described stamping surface arranging for making described cooling gas be easier to
At stamping surface edge and have the punching press mould toward the rake of the center diffusion type of stamping surface from described edge.
6. mould according to claim 5, is characterized in that, described punching press mould is the mould with hollow structure.
7. mould according to claim 5, is characterized in that, described mould has for making mould cold with cured prepreg
But the cooling gas conduit and by the cured prepreg demoulding being provided with and cooling gas blowing unit, wherein：Cooling gas are sprayed
Go out portion towards the plane of structure direction setting of cured prepreg, the outlet of cooling gas blowing unit is flat.
8. mould according to claim 5, is characterized in that, described diffusion type is trapezoidal shape.
9. mould according to claim 6, is characterized in that, described hollow structure is directly to hollow out cast metals or employing
The combined and spliced mode of plate-shape metal is realized.
10. the mould according to claim 6 or 9, is characterized in that, it is overall that described hollow structure accounts for described punching press mould
The 50%～80% of volume.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016002827A JP5968566B1 (en) | 2016-01-08 | 2016-01-08 | Manufacturing method of fiber reinforced composite material molded product and press mold used therefor |
| JPJP2016-002827 | 2016-01-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106393734A true CN106393734A (en) | 2017-02-15 |
| CN106393734B CN106393734B (en) | 2018-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610941960.7A Active CN106393734B (en) | 2016-01-08 | 2016-11-01 | The method for manufacturing fibre reinforced composites shaped article using diel |
| CN201621164583.2U Active CN206242524U (en) | 2016-01-08 | 2016-11-01 | The device of fibre reinforced composites shaped article is manufactured using stamping mold |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621164583.2U Active CN206242524U (en) | 2016-01-08 | 2016-11-01 | The device of fibre reinforced composites shaped article is manufactured using stamping mold |
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| Country | Link |
|---|---|
| JP (1) | JP5968566B1 (en) |
| CN (2) | CN106393734B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108908970A (en) * | 2018-06-27 | 2018-11-30 | 西安飞机工业（集团）有限责任公司 | A kind of molding machine and forming method of hand-held Zone R filler |
| CN114867589A (en) * | 2020-12-28 | 2022-08-05 | 日本技术管理株式会社 | Method for manufacturing mould box and plate body product for stamping machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6075675B1 (en) * | 2016-06-24 | 2017-02-08 | 株式会社Ｔｈｅ ＭＯＴ Ｃｏｍｐａｎｙ | Demolding method of fiber reinforced composite material molding |
| JP6230083B1 (en) * | 2017-04-14 | 2017-11-15 | 株式会社Ｔｈｅ ＭＯＴ Ｃｏｍｐａｎｙ | Manufacturing method and demolding method of fiber reinforced resin molded product |
| EP3936317B1 (en) * | 2019-03-08 | 2023-07-26 | IHI Aerospace Co., Ltd. | Fibre reinforced composite material molding system and method |
| CN113043636B (en) * | 2019-12-28 | 2023-07-04 | 江苏亨睿碳纤维科技有限公司 | Manufacturing method of automobile carbon fiber composite material air filter box shell |
| CN113524728A (en) * | 2021-07-29 | 2021-10-22 | 青岛海铁源信工业装备有限公司 | Clamping jaw structure for continuous fiber reinforced thermoplastic composite material mould pressing feeding |
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| CN114867589A (en) * | 2020-12-28 | 2022-08-05 | 日本技术管理株式会社 | Method for manufacturing mould box and plate body product for stamping machine |
| CN114867589B (en) * | 2020-12-28 | 2023-03-10 | 日本技术管理株式会社 | Method for manufacturing mould box and plate body product for stamping machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017121785A (en) | 2017-07-13 |
| CN106393734B (en) | 2018-08-31 |
| JP5968566B1 (en) | 2016-08-10 |
| CN206242524U (en) | 2017-06-13 |
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