CN109203464A - Fiber reinforcement thermosetting composite material 3D printing component post cure procedures and device - Google Patents
Fiber reinforcement thermosetting composite material 3D printing component post cure procedures and device Download PDFInfo
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- CN109203464A CN109203464A CN201810920020.9A CN201810920020A CN109203464A CN 109203464 A CN109203464 A CN 109203464A CN 201810920020 A CN201810920020 A CN 201810920020A CN 109203464 A CN109203464 A CN 109203464A
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- powder
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- composite material
- fiber reinforcement
- preformed member
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- 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
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/141—Processes of additive manufacturing using only solid materials
- B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
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- 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
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- 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
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/364—Conditioning of environment
-
- 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
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/379—Handling of additively manufactured objects, e.g. using robots
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
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Abstract
A kind of fiber reinforcement thermosetting composite material 3D printing component post cure procedures and device, method is in the device to bury 3D printing preformed member in the powder completely, negative pressure of vacuum is provided to device by external vacuum pump simultaneously, device is placed in solidification agent activity in hot environment again, cause polymerization crosslinking and reacts curing molding, finally cured molding component is taken out, with the water-soluble powder for taking off attachment, final finished is obtained after drying；Device includes shell, and the top of shell is connected with vacuum film by sealant, and vacuum film and shell are collectively formed a closed chamber, chamber interior powder filler, is embedded with 3D printing preformed member inside powder；Shell side opens two holes, passes through quick coupling outside a hole and connects with tracheae, another hole is externally connected with draught damper；The present invention keeps resin sufficiently to flow in the post cure processes of fiber reinforcement thermosetting composite material 3D printing component, maintains component form.
Description
Technical field
The present invention relates to composite material 3D printing technique fields, and in particular to a kind of fiber reinforcement thermosetting composite material 3D
Print component post cure procedures and device.
Background technique
3D printing consumptive material is the material base of 3D printing technique, and the bottle of the limitation further development and application of 3D printing technique
Neck.Currently, that there are bearing capacitys is weak for the 3D printing component of common 3D printing thermoplasticity silk material preparation, interlayer performance is very poor, stretches
Many defects such as intensity deficiency, these defects seriously limit its further application and development.
Show that the most effective most straightforward approach of improving performance is exactly using fiber as increasing according to newest scientific and technical research
Strong material, compound resin matrix form fibre reinforced composites, are used for 3D printing.The effect of fiber is for enhancing load
Ability improves tensile strength etc. mechanical property；Basis material is then used to combining, protect fiber, and Transmit evenly with point
With load；However, thermoplastic resin itself is there are shrinkage cracking, buckling deformation, heat resistance poor corrosion resistance, intensity hardness is low etc.
Shortcomings generally although being enhanced for the performance of 3D printing forming composite component, enhance limited.
Therefore fiber reinforced thermosetting resin based composites become the research hotspot of 3D printing technique future development and application and necessarily become
Gesture.But the forming process of thermosetting resin is chemically reacted, and after adding curing agent, thermosetting resin pre-polymerization
Object need to react under high temperature, high pressure, ultraviolet light or other inductive conditions by depth polymerization crosslinking, curing molding.And it is tight herein
In severe rear curing environment, original form of 3D printing fiber reinforcement thermosetting composite material preformed member how is maintained,
And it is smoothly solidified into matter of utmost importance urgently to be resolved, because being directed to 3D printing component form complicated and changeable, traditional mold
Sizing high temperature and pressure curing mode is already unable to satisfy the requirement of new technology.
In conclusion there is no the sides for curing molding after fiber reinforcement thermosetting composite material 3D printing component at present
Method or device.
Summary of the invention
In order to overcome the defects of the prior art described above, the purpose of the present invention is to provide a kind of fiber reinforcement thermosetting is compound
Material 3D printing component post cure procedures and device, after realizing 3D printing fiber reinforcement thermosetting composite material preformed member
Solidification process is keeping resin sufficiently to flow, and while fiber wetness is excellent, maintains component form, sizing control property is full simultaneously
Foot.
To achieve the above object, the present invention adopts the following technical scheme that are as follows:
A kind of fiber reinforcement thermosetting composite material 3D printing component post cure procedures, comprising the following steps: in the device
3D printing preformed member is buried in the powder completely, while providing negative pressure of vacuum to device by external vacuum pump, then will
Device is placed in solidification agent activity in hot environment, causes polymerization crosslinking and reacts curing molding, finally by cured molding
Component take out, with the water-soluble powder for taking off attachment, final finished is obtained after drying.
The 3D printing preformed member be chopped strand enhancing thermosetting resin based composites preformed member or
Continuous fiber reinforcement thermosetting resin based composites preformed member, fiber are carbon fiber, glass fibre, in Kafra fiber
It is one or more compound, Components Shape be slab construction, hollow and thin-walled structure, hollow out lattice structure, in topological optimization structure
One or more combinations.
The powder is one of refined salt powder, metal powder, inorganic material powders or a variety of compound, can add water
Point or binder promote powder bonded under negative pressure of vacuum it is blocking.
The hot environment is provided by high temperature oven or heating furnace, and temperature is higher than curing agent and starts to cause curing reaction
Minimum temperature, lower than the fusing point of fiber oxidation temperature and powder.
The top of device used by the above method, including shell 3, shell 3 is connected with vacuum film 1 by sealant 2,
Vacuum film 1 and shell 3 are collectively formed a closed chamber, chamber interior powder filler 8, are embedded with 3D printing inside powder 8
Preformed member 7；The 3 side hole Kai Liangge of shell is distributed with filter felt 4 in hole, passes through quick coupling 6 and tracheae outside a hole
5 connections, another hole is externally connected with draught damper 9.
Vacuum film 1, sealant 2, filter felt 4, tracheae 5, quick coupling 6 and 9 heat resisting temperature of draught damper is higher than
Reaction temperature.
The vacuum film 1 is soft deformable, and be recessed inwardly compaction of powders 8 under negative pressure of vacuum effect, and 3D is maintained to beat
Print the form of preformed member 7.
Compared with prior art, the invention has the benefit that
1) present invention can meet single or multiple fiber reinforcement thermosetting composite material 3D printing preformed members simultaneously
Curing molding afterwards, and during cured after realizing high temperature and pressure, keeping resin sufficiently to flow, fiber wetness is excellent
Meanwhile component form is maintained, sizing control property meets simultaneously.
2) present invention component form complicated and changeable for 3D printing, it is fixed using powder squash type method for shaping substitution mold
The cured conventional method of type high temperature and pressure, adaptability are good.
3) powder, vacuum film, sealant that the present invention uses etc. can be repeated as many times and use, environmentally protective, and
Great convenience is brought when the water-soluble feature of powder is to removal surface attaching powder.
4) present invention solves the problems, such as curing molding after the preforming 3D printing component of fiber reinforcement thermosetting composite material,
By the extensive utilization of 3D printing technique, application field that is greatly universal and having expanded same with thermosetting compound material component.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the device of the invention.
Specific embodiment
The present invention is described further below in conjunction with attached drawing.
Referring to Fig.1, solidification equipment after a kind of fiber reinforcement thermosetting composite material 3D printing component, including shell 3, shell
3 top is connected with vacuum film 1 by sealant 2, and a closed chamber, chamber is collectively formed in vacuum film 1 and shell 3
Internal powder filler 8 is embedded with 3D printing preformed member 7 inside powder 8；The 3 side hole Kai Liangge of shell was distributed in hole
Felt 4 is filtered, passes through quick coupling 6 outside a hole and tracheae 5 connects, provide vacuum environment by the external vacuum pump of tracheae 5, another
Hole is externally connected with draught damper 9, and draught damper 9 is closed during vacuum load, and draught damper 9 is opened after solidification, is passed through air,
Chamber interior flow of powder collapse takes out convenient for final finished.
Vacuum film 1, sealant 2, filter felt 4, tracheae 5, quick coupling 6 and 9 heat resisting temperature of draught damper is higher than
Reaction temperature.
The vacuum film 1 is soft deformable, and be recessed inwardly compaction of powders 8 under negative pressure of vacuum effect, and 3D is maintained to beat
Print the form of preformed member 7.
A kind of fiber reinforcement thermosetting composite material 3D printing component post cure procedures, comprising the following steps: in the device
3D printing preformed member 7 is buried in completely in powder 8, while providing negative pressure of vacuum to device by external vacuum pump, then
Device is placed in hot environment solidification agent activity, causes polymerization crosslinking and reacts curing molding, finally by it is cured at
The component of type takes out, and with the water-soluble powder 8 for taking off attachment, final finished is obtained after drying.
The 3D printing preformed member 7 be chopped strand enhancing thermosetting resin based composites preformed member or
Continuous fiber reinforcement thermosetting resin based composites preformed member, fiber are carbon fiber, glass fibre, in Kafra fiber
It is one or more compound, Components Shape be slab construction, hollow and thin-walled structure, hollow out lattice structure, in topological optimization structure
One or more combinations.
The powder 8 is one of refined salt powder, metal powder, inorganic material powders or a variety of compound, can be added
It is blocking that moisture or binder promote powder to bond under negative pressure of vacuum.
The hot environment is provided by high temperature oven or heating furnace, and temperature is higher than curing agent and starts to cause curing reaction
Minimum temperature, lower than the fusing point of fiber oxidation temperature and powder.
Claims (7)
1. a kind of fiber reinforcement thermosetting composite material 3D printing component post cure procedures, which comprises the following steps:
3D printing preformed member is buried in the powder completely in the device, while providing vacuum to device by external vacuum pump and bearing
Pressure, then device is placed in solidification agent activity in hot environment, cause polymerization crosslinking and react curing molding, will finally consolidate
Change molding component to take out, with the water-soluble powder for taking off attachment, final finished is obtained after drying.
2. a kind of fiber reinforcement thermosetting composite material 3D printing component post cure procedures according to claim 1, special
Sign is: the 3D printing preformed member is chopped strand enhancing thermosetting resin based composites preformed member or company
Continuous fiber reinforced thermosetting resin based composites preformed member, fiber are carbon fiber, glass fibre, in Kafra fiber
It is one or more compound, Components Shape be slab construction, hollow and thin-walled structure, hollow out lattice structure, in topological optimization structure
One or more combinations.
3. a kind of fiber reinforcement thermosetting composite material 3D printing component post cure procedures according to claim 1, special
Sign is: the powder is one of refined salt powder, metal powder, inorganic material powders or a variety of compound, can add water
Point or binder promote powder bonded under negative pressure of vacuum it is blocking.
4. a kind of fiber reinforcement thermosetting composite material 3D printing component post cure procedures according to claim 1, special
Sign is: the hot environment is provided by high temperature oven or heating furnace, and temperature is higher than curing agent and starts to cause curing reaction
Minimum temperature, lower than the fusing point of fiber oxidation temperature and powder.
5. a kind of fiber reinforcement thermosetting composite material 3D printing component post cure procedures according to claim 1 are used
Device, it is characterised in that: including shell (3), the top of shell (3) is connected with vacuum film (1) by sealant (2), very
A closed chamber is collectively formed in empty film (1) and shell () 3, and chamber interior powder filler (8), powder (8) is internal to be embedded with
3D printing preformed member (7)；Shell (3) side hole Kai Liangge is distributed with filter felt (4) in hole, is passed through outside a hole fast
Quick coupling (6) and tracheae (5) connection, another hole is externally connected with draught damper (9).
6. device according to claim 5, it is characterised in that: the vacuum film (1), sealant (2), filter felt
(4), tracheae (5), quick coupling (6) and draught damper (9) heat resisting temperature are higher than reaction temperature.
7. device according to claim 5, it is characterised in that: the vacuum film (1) is soft deformable, negative in vacuum
It is recessed inwardly compaction of powders (8) under pressure effect, maintains the form of 3D printing preformed member (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810920020.9A CN109203464B (en) | 2018-08-14 | 2018-08-14 | Post-curing method and device for fiber-reinforced thermosetting composite material 3D printing component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810920020.9A CN109203464B (en) | 2018-08-14 | 2018-08-14 | Post-curing method and device for fiber-reinforced thermosetting composite material 3D printing component |
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| Publication Number | Publication Date |
|---|---|
| CN109203464A true CN109203464A (en) | 2019-01-15 |
| CN109203464B CN109203464B (en) | 2020-03-31 |
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| CN201810920020.9A Active CN109203464B (en) | 2018-08-14 | 2018-08-14 | Post-curing method and device for fiber-reinforced thermosetting composite material 3D printing component |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114379077A (en) * | 2022-01-25 | 2022-04-22 | 西安交通大学 | Low-cost fiber-reinforced thermosetting composite material 3D printing component post-curing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5962608A (en) * | 1997-02-14 | 1999-10-05 | Reliance Electric Industrial Co. | Polymers made with metal oxide sols |
| CN104647760A (en) * | 2015-02-12 | 2015-05-27 | 华中科技大学 | 3D printing and manufacturing method of short-fiber reinforced thermosetting resin composite product |
| CN105050800A (en) * | 2012-09-28 | 2015-11-11 | Bam联邦材料研究及测试中心主席代表联邦经济及科技部代表联邦德国 | Method for stabilizing a powder bed by means of vacuum for additive manufacturing |
-
2018
- 2018-08-14 CN CN201810920020.9A patent/CN109203464B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5962608A (en) * | 1997-02-14 | 1999-10-05 | Reliance Electric Industrial Co. | Polymers made with metal oxide sols |
| CN105050800A (en) * | 2012-09-28 | 2015-11-11 | Bam联邦材料研究及测试中心主席代表联邦经济及科技部代表联邦德国 | Method for stabilizing a powder bed by means of vacuum for additive manufacturing |
| CN104647760A (en) * | 2015-02-12 | 2015-05-27 | 华中科技大学 | 3D printing and manufacturing method of short-fiber reinforced thermosetting resin composite product |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114379077A (en) * | 2022-01-25 | 2022-04-22 | 西安交通大学 | Low-cost fiber-reinforced thermosetting composite material 3D printing component post-curing method |
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| CN109203464B (en) | 2020-03-31 |
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