CN108394108A - Carbon fiber vacuum flexible bag moulding mould and its heat pressing process - Google Patents
Carbon fiber vacuum flexible bag moulding mould and its heat pressing process Download PDFInfo
- Publication number
- CN108394108A CN108394108A CN201810522009.7A CN201810522009A CN108394108A CN 108394108 A CN108394108 A CN 108394108A CN 201810522009 A CN201810522009 A CN 201810522009A CN 108394108 A CN108394108 A CN 108394108A
- Authority
- CN
- China
- Prior art keywords
- lower mode
- vacuum
- upper cores
- mold
- carbon fiber
- 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.)
- Withdrawn
Links
- 238000000465 moulding Methods 0.000 title claims abstract description 33
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 26
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 26
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000003825 pressing Methods 0.000 title claims abstract description 7
- 239000004744 fabric Substances 0.000 claims abstract description 32
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000003292 glue Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000004026 adhesive bonding Methods 0.000 claims description 4
- 238000000748 compression moulding Methods 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 4
- 230000006837 decompression Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000007731 hot pressing Methods 0.000 abstract description 9
- 238000002386 leaching Methods 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009787 hand lay-up Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
- B29C70/342—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using isostatic pressure
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention relates to carbon fiber vacuum flexible bag moulding mould and its heat pressing process, it includes vacuum bag and molding die, molding die includes upper cores, lower mode, and refractory seals item is provided between upper cores and lower mode, and upper cores mold to form seal chamber with lower mode；Preimpregnation carbon cloth is laid on lower mode, and vacuum bag is covered on preimpregnation carbon cloth, and vacuum bag surrounding is Nian Jie by sealing between rubber glue and lower mode, and mold cavity is formed between vacuum bag and lower mode.Reasonable design, integrated drawing-die tool molding and vacuum hotpressing tank function, it solves to produce large-scale carbon fiber product without super large vacuum hotpressing tank to solve, solve the problems, such as that mold attachment non-refractory in vacuum hotpressing tank is perishable, wasting of resources when solving the every secondary amounts of autoclave less, queue problem when measuring big, and bag pressure technique is utilized, it further pressurizes to the leaching carbon cloth overlay.
Description
Technical field
The present invention relates to mould manufacturing fields, and in particular to a kind of carbon fiber vacuum flexible bag moulding mould and its heat pressing process.
Background technology
The compression molding of previous carbon fiber is all realized by molding die and autoclave jointly, at this stage without super
Big vacuum hotpressing tank is for producing large-scale carbon fiber product, and mold attachment non-refractory in vacuum hotpressing tank is perishable, autoclave
Wasting of resources when amount is few when using every time is lined up when measuring big and needs to wait for problem.
Invention content
To solve the above problems, the present invention proposes that a kind of carbon fiber vacuum flexible bag moulding mould, reasonable design integrate drawing-die tool
Molding and vacuum hotpressing tank function solve to produce large-scale carbon fiber product without super large vacuum hotpressing tank, solve mold to solve
Attachment perishable problem of non-refractory in vacuum hotpressing tank, wasting of resources when solving the every secondary amounts of autoclave less, is lined up when measuring big
Waiting problem, and bag pressure technique is utilized, it further pressurizes to the leaching carbon cloth overlay.
Technical scheme of the present invention：
A kind of carbon fiber vacuum flexible bag moulding mould, it connect with die heater, and die heater control carries out heating and cold cut to mold, right
The compression molding of carbon cloth is presoaked, it includes vacuum bag and molding die, and molding die includes upper cores, lower mode,
Refractory seals item is provided between upper cores and lower mode, upper cores are molded to form seal chamber, be set on lower mode with lower mode
Be equipped with vacuum vent holes, vacuum vent holes connect independently arranged vacuum generating device by tracheae, be provided in upper cores into
Gas port, air inlet connect compressed air pipe, circulation line are respectively set in upper cores, lower mode, circulation line both ends pass through
Inlet and outlet water catchment block connection, Inlet and outlet water catchment block connection die heater；Preimpregnation carbon cloth is laid on lower mode, vacuum bag covering
On preimpregnation carbon cloth, vacuum bag surrounding is Nian Jie by sealing between rubber glue and lower mode, vacuum bag and lower mode it
Between form mold cavity.
Bag pressure technique：Mold cavity is vacuumized using vacuum generator, air, aqueous vapor and the volatile matter in cavity are taken out
Go out, avoid during formed product, forms stomata in resin epidermis, influence surface quality；Vacuum environment can shorten solidification
Time, and the mechanical property of product can be improved；In order to avoid the lamination of product；Pass through upper cores air admission hole case seal chamber
Interior injecting compressed air, with the increase of air supply, sealing cavity pressure increases, and squeezes preimpregnation carbon fiber by vacuum bag
Wei Bu, presoak at this time carbon cloth temperature is also not bery high and when mobility is larger, pressurization is so that preimpregnation carbon cloth stream is expired
Mold cavity.
When persistent pressure to setting pressure, mold cavity vacuum, die heater control is kept to carry out heating and cold cut to mold,
Realize the function of mold molding and autoclave.
Above-mentioned technical proposal is improved further and is refined, is arranged between the air inlet and compressed air pipe
There is the pressure regulator valve with decompression function, convenient for adjusting dies cavity pressure, while pressure release is carried out using regulating valve before die sinking, ensured
Die sinking safety.
Above-mentioned technical proposal is improved further and is refined, there is the product of overhead kick for some, in the lower die
Benevolence side is provided with several overhead kick sliding blocks, in sealing contact between overhead kick sliding block and lower mode, and upper cores are molded with lower mode, upper mold
Seal chamber is formed between benevolence, lower mode and overhead kick sliding block.
Above-mentioned technical proposal is improved further and is refined, the overhead kick sliding block is rotated by drive link mechanism
Mounted on lower mode side, locking device is installed on overhead kick sliding block.
Above-mentioned technical proposal is improved further and is refined, the locking device includes slider locking plate and lock
Tight cylinder, slider locking plate, which corresponds to, is mounted on upper cores side wall, and as upper cores and lower mode mold, slider locking plate is pressed in down
It hooks on the outside of sliding block, locking cylinder is fixedly mounted on lower mode, is located at below overhead kick sliding block, is provided on locking cylinder piston rod
Latch segment, locking cylinder driving latch segment is mobile and is pressed on the outside of overhead kick sliding block.
Above-mentioned technical proposal is improved further and is refined, the top of the upper cores and four walls, upper cores
Base portion and four walls be provided with thermal insulation board, advantageously ensure that heating temperature in mold cavity.
A kind of heat pressing process of carbon fiber vacuum flexible bag moulding mould, it includes the following steps：
（1）Manually preimpregnation carbon cloth is laid on lower mode.
（2）Vacuum bag is covered on preimpregnation carbon cloth, surrounding starts vacuum by rubber gluing even lower mode
Device forms vacuum environment between vacuum bag and lower mode.
（3）Upper cores are molded with lower mode, compressed air are passed through from upper cores air admission hole, with the increasing of air supply
Greatly, the sealing cavity pressure between upper cores and lower mode is increased rapidly, mold is heated in ventilation die heater control, vacuum bag
Preimpregnation carbon cloth is squeezed, is stopped when reaching setting pressure.
（4）It keeps pressure, keep mold cavity vacuum, continue through die heater control and mold is heated, be heated to
It is controlled again by die heater after 150 degree and cold cut is carried out to mold, cold cut completes the solidifying and setting of preimpregnation carbon cloth to 30 degree.
（5）Pressure releasing die sinking takes out moulded products.
The method have the advantages that reasonable design, using molding die, vacuum bag and die heater, integral mould molding and true
Empty autoclave function solves to produce large-scale carbon fiber product without super large vacuum hotpressing tank, solves mold attachment true to solve
The perishable problem of non-refractory in empty autoclave, wasting of resources when solving the every secondary amounts of autoclave less, queue problem when measuring big；
And bag pressure technique is utilized, it further pressurizes to the leaching carbon cloth overlay.
Description of the drawings
Fig. 1 is carbon fiber vacuum flexible bag moulding mode structure schematic diagram.
Fig. 2 is carbon fiber vacuum flexible bag moulding mould front view.
Fig. 3 is carbon fiber vacuum flexible bag moulding mould vertical view.
Fig. 4 is the diagrammatic cross-section in the directions A-A in Fig. 3.
In figure 1 time mode of upper cores, 2 Inlet and outlet water catchment 6 vacuum bag of block, 9 overhead kick sliding block, 3 drive link mechanism 4 cunning
7 locking cylinder of block latch, 5 latch segment 8.
Specific implementation mode
As shown in Figs 1-4, a kind of carbon fiber vacuum flexible bag moulding mould, it connect with die heater, and die heater is controlled to mold
Heating and cold cut are carried out, to presoaking the compression molding of carbon cloth, it includes vacuum bag 9 and molding die, molding die packet
Upper cores 1, lower mode 2 are included, refractory seals item is provided between upper cores 1 and lower mode 2, upper cores 1 are closed with lower mode 2
Mould forms seal chamber, and vacuum vent holes are provided on lower mode 2, and vacuum vent holes connect independently arranged vacuum by tracheae and send out
Generating apparatus, air inlet is provided in upper cores 1, and air inlet connects compressed air pipe, is respectively set in upper cores 1, lower mode 2
Circulation line, circulation line both ends by Inlet and outlet water catchment block 6 connect, Inlet and outlet water catchment block 6 connect die heater；Presoak carbon fiber
Cloth is laid on lower mode 2, and vacuum bag 9 is covered on preimpregnation carbon cloth, and 9 surrounding of vacuum bag passes through rubber glue and lower mode 2
Between seal bonding, form mold cavity between vacuum bag 9 and lower mode 2；The air inlet and compressed air pipe it
Between be provided with the pressure regulator valve with decompression function, convenient for adjusting dies cavity pressure, while being let out using regulating valve before die sinking
Pressure ensures die sinking safety；The product for having overhead kick for some is provided with several overhead kick sliding blocks 3 in 2 side of lower mode,
In sealing contact between overhead kick sliding block 3 and lower mode 2, upper cores 1 are molded with lower mode 2, upper cores 1, lower mode 2 and overhead kick sliding block
Seal chamber is formed between 3；The overhead kick sliding block 3 is rotatably mounted on 2 side of lower mode by drive link mechanism 4, in overhead kick
Locking device is installed on sliding block 3；The locking device includes slider locking plate 7 and locking cylinder 5, slider locking plate 7
Corresponding to be mounted on 2 side wall of upper cores, as upper cores 1 and lower mode 2 mold, slider locking plate 7 is pressed in 3 outside of overhead kick sliding block,
Locking cylinder 5 is fixedly mounted on lower mode 2, is located at 3 lower section of overhead kick sliding block, latch segment is provided on 5 piston rod of locking cylinder
8, locking cylinder 5 drives latch segment 8 to move and is pressed in 3 outside of overhead kick sliding block；The top of the upper cores 1 and four walls, on
The base portion of mode and four walls are provided with thermal insulation board, advantageously ensure that heating temperature in mold cavity.
A kind of heat pressing process of carbon fiber vacuum flexible bag moulding mould, it includes the following steps：
（1）Manually preimpregnation carbon cloth is laid on lower mode 2.
（2）Vacuum bag 9 is covered on preimpregnation carbon cloth, surrounding starts vacuum hair by rubber gluing even lower mode 2
Raw device, vacuum environment is formed between vacuum bag 9 and lower mode 2.
（3）Upper cores 1 are molded with lower mode 2, compressed air are passed through from upper cores air admission hole, with the increasing of air supply
Greatly, the sealing cavity pressure between upper cores and lower mode is increased rapidly, mold is heated in ventilation die heater control, vacuum bag
9 squeeze preimpregnation carbon cloth, stop when reaching setting pressure.
（4）It keeps pressure, keep mold cavity vacuum, continue through die heater control and mold is heated, be heated to
It is controlled again by die heater after 150 degree and cold cut is carried out to mold, cold cut completes the solidifying and setting of preimpregnation carbon cloth to 30 degree.
（5）Pressure releasing die sinking takes out moulded products.
The present invention is in use, vacuum bag is covered in preimpregnation carbon by the existing carbon cloth hand lay-up that will presoak in lower mode
In fiber cloth, surrounding starts vacuum generator, vacuum is formed between vacuum bag and lower mode by rubber gluing even lower mode
Environment, upper cores are molded with lower mode, are passed through compressed air from upper cores air admission hole, with the increase of air supply, rapidly
Increase the sealing cavity pressure between upper cores and lower mode, mold is heated in ventilation die heater control, and vacuum bag squeezes pre-
Carbon cloth is soaked, is stopped when reaching setting pressure；It keeps pressure, keep mold cavity vacuum, continue through die heater control pair
Mold is heated, and is heated to after 150 degree carry out cold cut to mold by die heater control again, cold cut completes preimpregnation to 30 degree
The solidifying and setting of carbon cloth；Pressure releasing die sinking takes out moulded products.
Due to the finiteness of literal expression, and objectively there is unlimited concrete structure, for the common of the art
For technical staff, without departing from the principle of the present invention, several improvement, retouching or variation can also be made, it can also
Above-mentioned technical characteristic is combined in the right way；These improve retouching, variation or combination, or not improved by invention
Design and technical solution directly apply to other occasions, are regarded as protection scope of the present invention.
Claims (7)
1. a kind of carbon fiber vacuum flexible bag moulding mould, it connect with die heater, and die heater control carries out heating and cold cut to mold,
To presoaking the compression molding of carbon cloth, it is characterised in that：It includes vacuum bag and molding die, and molding die includes upper mold
Benevolence, lower mode, are provided with refractory seals item between upper cores and lower mode, and upper cores mold to form sealing with lower mode
Chamber is provided with vacuum vent holes on lower mode, and vacuum vent holes connect independently arranged vacuum generating device, upper mold by tracheae
Air inlet is provided in benevolence, air inlet connects compressed air pipe, circulation line is respectively set in upper cores, lower mode, recycles
Pipeline both ends by Inlet and outlet water catchment block connection, Inlet and outlet water catchment block connection die heater；Preimpregnation carbon cloth is laid on lower mode
On, vacuum bag is covered on preimpregnation carbon cloth, and vacuum bag surrounding is Nian Jie by sealing between rubber glue and lower mode, in vacuum
Mold cavity is formed between bag and lower mode.
2. a kind of carbon fiber vacuum flexible bag moulding mould according to claim 1, it is characterised in that：The air inlet and pressure
The pressure regulator valve with decompression function is provided between contracting air pipeline.
3. a kind of carbon fiber vacuum flexible bag moulding mould according to claim 1, it is characterised in that：The lower mode side
Be provided with several overhead kick sliding blocks, in sealing contact between overhead kick sliding block and lower mode, upper cores and lower mode mold, upper cores, under
Mold cavity is formed between mode and overhead kick sliding block.
4. a kind of carbon fiber vacuum flexible bag moulding mould according to claim 3, it is characterised in that：The overhead kick sliding block is logical
Link mechanism of overdriving is rotatably mounted on lower mode side, and locking device is equipped on overhead kick sliding block.
5. a kind of carbon fiber vacuum flexible bag moulding mould according to claim 4, it is characterised in that：The locking device packet
Slider locking plate and locking cylinder are included, slider locking plate, which corresponds to, is mounted on upper cores side wall, as upper cores and lower mode are closed
Mould, slider locking plate are pressed on the outside of overhead kick sliding block, and locking cylinder is fixedly mounted on lower mode, are located at below overhead kick sliding block
Both sides are provided with latch segment on locking cylinder piston rod, and locking cylinder driving latch segment is mobile to be simultaneously pressed on the outside of overhead kick sliding block.
6. a kind of carbon fiber vacuum flexible bag moulding mould according to claim 1, it is characterised in that：The top of the upper cores
Portion and four walls, the base portion of upper cores and four walls are provided with thermal insulation board.
7. a kind of heat pressing process of carbon fiber vacuum flexible bag moulding mould, it is characterised in that：It includes the following steps：
（1）Manually preimpregnation carbon cloth is laid on lower mode；
（2）Vacuum bag is covered on preimpregnation carbon cloth, surrounding starts vacuum generator by rubber gluing even lower mode,
Vacuum environment is formed between vacuum bag and lower mode；
（3）Upper cores are molded with lower mode, and compressed air is passed through from upper cores air admission hole, fast with the increase of air supply
Speed increases the sealing cavity pressure between upper cores and lower mode, and mold is heated in ventilation die heater control, and vacuum bag squeezes
Carbon cloth is presoaked, is stopped when reaching setting pressure；
（4）It keeps pressure, keep mold cavity vacuum, continue through die heater control and mold is heated, be heated to 150 degree
It is controlled again by die heater afterwards and cold cut is carried out to mold, cold cut completes the solidifying and setting of preimpregnation carbon cloth to 30 degree；
（5）Pressure releasing die sinking takes out moulded products.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810522009.7A CN108394108A (en) | 2018-05-28 | 2018-05-28 | Carbon fiber vacuum flexible bag moulding mould and its heat pressing process |
| CN201910170021.0A CN109693398B (en) | 2018-05-28 | 2019-03-07 | Carbon fiber vacuum bag pressing and forming die and hot pressing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810522009.7A CN108394108A (en) | 2018-05-28 | 2018-05-28 | Carbon fiber vacuum flexible bag moulding mould and its heat pressing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108394108A true CN108394108A (en) | 2018-08-14 |
Family
ID=63101355
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810522009.7A Withdrawn CN108394108A (en) | 2018-05-28 | 2018-05-28 | Carbon fiber vacuum flexible bag moulding mould and its heat pressing process |
| CN201910170021.0A Active CN109693398B (en) | 2018-05-28 | 2019-03-07 | Carbon fiber vacuum bag pressing and forming die and hot pressing process thereof |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910170021.0A Active CN109693398B (en) | 2018-05-28 | 2019-03-07 | Carbon fiber vacuum bag pressing and forming die and hot pressing process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108394108A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978566A (en) * | 2019-12-31 | 2020-04-10 | 东莞艾可迅复合材料有限公司 | Solidification forming device of integrated mold |
| CN116198063A (en) * | 2023-05-06 | 2023-06-02 | 宁海县第一注塑模具有限公司 | Die with adjustable compacting force |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765198A (en) * | 2012-07-13 | 2012-11-07 | 中国人民解放军国防科学技术大学 | Vacuum assisted molding system of composite and molding method of composite |
| CN202986112U (en) * | 2012-08-27 | 2013-06-12 | 比亚迪股份有限公司 | Rapid molding device of composite material |
| CN203901568U (en) * | 2014-05-05 | 2014-10-29 | 王明 | Forming mould for carbon fiber rim |
| CN105584057A (en) * | 2014-10-21 | 2016-05-18 | 中国石油化工股份有限公司 | Carbon fiber/epoxy resin prepreg autoclave molding method |
| KR101641719B1 (en) * | 2015-07-16 | 2016-07-21 | 주식회사 와이제이엠게임즈 | Method of forming fiber reinforced plastic using resin transfer molding and apparatus for the same |
| CN107283874A (en) * | 2016-03-30 | 2017-10-24 | 比亚迪股份有限公司 | A kind of vacuum flexible bag moulding component and vacuum bag transfer moulding method, fibrous composite |
| CN209775590U (en) * | 2018-05-28 | 2019-12-13 | 苏州华特时代碳纤维有限公司 | Carbon fiber vacuum bag pressing forming die |
-
2018
- 2018-05-28 CN CN201810522009.7A patent/CN108394108A/en not_active Withdrawn
-
2019
- 2019-03-07 CN CN201910170021.0A patent/CN109693398B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978566A (en) * | 2019-12-31 | 2020-04-10 | 东莞艾可迅复合材料有限公司 | Solidification forming device of integrated mold |
| CN116198063A (en) * | 2023-05-06 | 2023-06-02 | 宁海县第一注塑模具有限公司 | Die with adjustable compacting force |
| CN116198063B (en) * | 2023-05-06 | 2023-07-18 | 宁海县第一注塑模具有限公司 | Die with adjustable compacting force |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109693398B (en) | 2023-12-29 |
| CN109693398A (en) | 2019-04-30 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180814 |
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