CN117885252A - Large-tension winding integrated forming process for carbon fiber reinforced thermoplastic revolving body structural member - Google Patents
Large-tension winding integrated forming process for carbon fiber reinforced thermoplastic revolving body structural member Download PDFInfo
- Publication number
- CN117885252A CN117885252A CN202311868810.4A CN202311868810A CN117885252A CN 117885252 A CN117885252 A CN 117885252A CN 202311868810 A CN202311868810 A CN 202311868810A CN 117885252 A CN117885252 A CN 117885252A
- Authority
- CN
- China
- Prior art keywords
- structural member
- carbon fiber
- fiber reinforced
- winding
- reinforced thermoplastic
- 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.)
- Pending
Links
- 238000004804 winding Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000008569 process Effects 0.000 title claims abstract description 28
- 239000004918 carbon fiber reinforced polymer Substances 0.000 title claims abstract description 22
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 238000000465 moulding Methods 0.000 claims description 8
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 7
- 239000004917 carbon fiber Substances 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 7
- 238000011049 filling Methods 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 6
- 229920006260 polyaryletherketone Polymers 0.000 claims description 5
- 229920005992 thermoplastic resin Polymers 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 239000004696 Poly ether ether ketone Substances 0.000 claims 1
- 229920002873 Polyethylenimine Polymers 0.000 claims 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims 1
- 229920002530 polyetherether ketone Polymers 0.000 claims 1
- 229920001601 polyetherimide Polymers 0.000 claims 1
- 229920000069 polyphenylene sulfide Polymers 0.000 claims 1
- 239000000835 fiber Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 239000010410 layer Substances 0.000 description 7
- 229920001169 thermoplastic Polymers 0.000 description 5
- 239000004416 thermosoftening plastic Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 238000004093 laser heating Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000011208 reinforced composite material Substances 0.000 description 2
- 239000000805 composite resin Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003466 welding Methods 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/30—Mounting, exchanging or centering
- B29C33/301—Modular mould systems [MMS], i.e. moulds built up by stacking mould elements, e.g. plates, blocks, rods
-
- 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
- B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
- B29C70/386—Automated tape laying [ATL]
-
- 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
- B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
- B29C70/386—Automated tape laying [ATL]
- B29C70/388—Tape placement heads, e.g. component parts, details or accessories
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention relates to a large-tension winding integrated forming process of a carbon fiber reinforced thermoplastic revolving body structural member, which is characterized by comprising the following steps of: the method comprises the steps of adopting a block type forming die, wherein the center of the die is provided with a heating rod, the heating rod is of a cylindrical structure, and the heating rod penetrates through the whole die; the front and back of the mould adopts disc type stop blocks, so that the front and back end fibers are prevented from sliding down in the laying and winding process; the forming die adopts a block type design, so that the demolding is convenient; the pit reserved positions are designed on the surface of the die, reinforcing ribs can be embedded before winding, and finally, large-tension winding integrated forming of the revolving body structural member with axial reinforcing rib design requirements is realized.
Description
Technical Field
The invention belongs to the field of rapid molding of thermoplastic composite structural members, and particularly relates to a high-tension winding integrated molding process of a carbon fiber reinforced thermoplastic rotary structural member.
Background
The carbon fiber reinforced thermoplastic composite material has the advantages of high specific strength, high specific stiffness, corrosion resistance, fatigue resistance, high toughness and the like, and is widely applied to the fields of aerospace, transportation, medical treatment, sports and the like. Through decades of development, various types of carbon fiber reinforced thermoplastic composite material forming processes are formed, in the current industrial production, more common traditional structure forming processes comprise autoclave forming, compression molding, pultrusion forming, winding forming and the like, wherein the winding forming is to wind a thermoplastic prepreg tape on a core mold under the continuous heating condition, melt the prepreg tape into a whole by applying pressure, bond the prepreg tape layer by layer, and cool the prepreg tape to obtain a corresponding component product.
The winding forming process has the advantages that the rapid forming of the curved surface-containing component can be realized, and the winding forming process has the characteristics of low cost and high efficiency, however, the conventional winding process can only be carried out along the circumferential direction of the core mold, and the winding along the axial direction of the core mold is difficult to realize, so that the axial mechanical property of the formed component is poor, and the application requirement is difficult to meet. The prior art solves the problems in the prior art by sectional molding, namely, firstly preparing part of the components through a winding process, and then molding the axial reinforcing ribs on the winding components through other processes such as welding, riveting and the like on the basis of the part of the components. Although the method can finally obtain the structural member with the performance meeting the design requirement, the method has the defects of complicated steps, low efficiency and high cost.
The invention provides a large-tension winding integrated forming process of a carbon fiber reinforced thermoplastic revolving body structural member, which is designed by a split die, wherein an axial reinforcing part of the structural member can be embedded into the die in advance before winding, an external structure is prepared by a winding process, an inner layer with an axial bearing structure can be obtained after demoulding, and the outer layer is a workpiece with a continuous winding structure.
Disclosure of Invention
The invention provides a large-tension winding integrated forming process of a carbon fiber reinforced thermoplastic revolving body structural member, which can realize the integrated forming of an internal reinforcing structure and a continuously winding shell structure through split die design and has the advantages of simple process, high efficiency and capability of meeting design requirements of the produced structural member.
The large-tension winding integrated forming process of the carbon fiber reinforced thermoplastic revolving body structural member can be realized by the following technical scheme:
the method comprises the steps of splicing a stop block and a split type die on a heatable cylinder of a rotating shaft according to the drawing 1, fixing the stop block and the split type die by bolts, wherein the diameter of the stop block is 5mm larger than the outer diameter of a wound carbon fiber reinforced composite material part, and coating or wrapping a layer of isolating film on the surfaces of the die and the stop block for facilitating demoulding;
filling the prefabricated composite material reinforcing ribs into rib reserved positions of the forming die, wherein the length and width dimensions of the reserved positions are slightly larger than those of the reinforcing ribs for convenient embedding, and the reinforcing ribs are fixed in the reserved positions by filling the easily-separated adhesive at the holes;
heating the cylinder, setting the heating temperature to 120-150 ℃, and driving the mandrel to rotate by the main shaft for preheating;
the carbon fiber reinforced thermoplastic resin-based prepreg tape is wound on the corresponding part of the die according to a preset path by the equipment shown in fig. 2. Under the action of laser heating, the resin matrix in the narrow belt is melted, and the tight adhesion between the narrow belt and the interlayer is realized through a certain winding tension and a certain compression roller pressure.
After the designed layering is completed by winding, cooling, removing the stop block, taking out the workpiece, and demoulding to obtain the thermoplastic revolving body structural member with the axial reinforcing rib structure.
Preferably, the reinforcing rib part pre-embedded in the split mold is the same as the composite resin matrix used for the part formed by winding, and the different resin matrix can cause the axial reinforcing rib to be incapable of being bonded with the winding part in high strength.
Preferably, a release film is coated or wrapped on the surfaces of the mold and the stop block to facilitate the subsequent demolding, the release film can be a chemical film remained after the solvent of the quick-drying release agent volatilizes, a glass cloth substrate with a certain thickness can also be used, and more preferably, a quick-drying release agent is coated selectively.
Preferably, the preparation process of the prefabricated composite material reinforcing ribs can be autoclave molding or automatic laying molding.
Preferably, the reinforcing ribs are fixed in the reserved positions by filling the easily-separated adhesive at the holes, and the adhesive is easy to remove later while playing the role of fixing the ribs, and more preferably, the adhesive is 502 glue.
Preferably, the mandrel is preheated prior to winding, the heating element of the cylinder connected to the rotating shaft is an electric heating rod, the optimum stabilization temperature of the mandrel surface is 120-150 ℃, and more preferably, the mandrel surface temperature is 150 ℃.
Preferably, during winding, the laser heating is performed to ensure melting of the resin matrix of the prepreg tapes and to achieve tight adhesion between the tapes, so that the laser heating temperature is set according to the melting characteristics of the resin matrix used.
Preferably, the winding speed is 2-6 m/min, and too low winding speed can cause the extension of the heating time of the narrow band, the rapid temperature rise of the resin, the performance reduction and the molding efficiency reduction; too high winding speed can lead to insufficient heating of the narrow band, insufficient melting of resin and reduction of interlayer bonding strength. More preferably, the winding speed is 4m/min.
Preferably, the feeding tension is 100-300N during winding, the feeding tension provides main power for bonding between layers of resin, the resin contacts, diffuses and bonds under the action of the feeding tension, and when the feeding tension is insufficient, the prepreg tapes become loose and uneven, so that the contact between the prepreg tapes on the core mold is not tight enough, the bonding effect of the resin is poor, and the interlayer shear strength is low. More preferably, the feeding tension at the time of winding is 200N.
Preferably, the pressure of the press roll is 200-400N, the pressure of the press roll is mainly used for promoting the adhesion between the narrow bands, and more preferably, the pressure of the press roll is 320N.
Drawings
FIG. 1 is a schematic diagram of a large-tension winding integrated forming die tooling
FIG. 2 is a schematic diagram of a laser assisted high tension winding apparatus
Detailed description of the preferred embodiments
In order that those skilled in the art will better understand the technical solution of the present invention, the present invention will be further described with reference to specific embodiments. It should be understood that the examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. Furthermore, it is understood that various changes and modifications may be made by one skilled in the art after reading the teachings of the invention, and such equivalents are intended to fall within the scope of the claims appended hereto.
Examples
In the embodiment, T800-grade carbon fiber reinforced polyaryletherketone thermoplastic unidirectional prepreg narrow bands are used for preparing the revolving body with the axial reinforcing ribs.
The stop block and the split type mould are assembled on the heatable cylinder of the rotating shaft according to the figure 1 and fixed by bolts, and the diameter of the stop block is 5mm larger than the outer diameter of the wound carbon fiber reinforced composite material part.
Coating a layer of quick-drying high-temperature-resistant release agent on the surfaces of the die and the stop block;
filling reinforcing ribs of T800-level carbon fiber reinforced polyaryletherketone composite materials prepared in batches through an autoclave into rib reserved positions of a forming die, and filling and curing 502 glue at holes to finish fixation;
heating the cylinder, setting the heating temperature to 150 ℃, and driving the mandrel to rotate by the main shaft for preheating;
after the surface temperature of the core mold is stabilized at 150 ℃, winding the carbon fiber reinforced polyaryletherketone prepreg narrow band on the corresponding part of the core mold according to a preset path by using equipment shown in figure 2. In the winding process, the auxiliary heating temperature of the laser is set to be 410 ℃, the winding speed is set to be 4m/min, the feeding tension is set to be 200N, and the pressure of the press roller is set to be 320N.
And after the designed layering is wound, naturally cooling to room temperature, removing the stop block, taking out the workpiece, and demoulding to obtain the T800-level carbon fiber reinforced polyaryletherketone thermoplastic revolving body structural member with the axial reinforcing rib structure.
Claims (10)
1. The large-tension winding integrated forming process of the carbon fiber reinforced thermoplastic revolving body structural member is characterized by comprising the following steps of:
assembling and fixing the stop block and the block forming die on a cylinder with a heating element;
filling the prefabricated composite material reinforcing ribs into rib reserved positions of the forming die;
opening a cylinder heating switch, and driving the mandrel to rotate by the main shaft for preheating;
winding the carbon fiber reinforced thermoplastic prepreg narrow band on a corresponding part of the surface of a forming die under the auxiliary heating of laser;
and (5) removing the stop block after cooling, taking out the workpiece, and demoulding to obtain the carbon fiber reinforced thermoplastic revolving body structural member with the axial reinforcing rib structure.
2. The process for integrally forming the carbon fiber reinforced thermoplastic rotary structural member by large tension winding according to claim 1, wherein the carbon fiber comprises high-strength series of T300 grade, T700 grade, T800 grade, T1000 grade and the like, and high-modulus series of M35JB grade, M40JB grade, M46JB grade, M50JB grade, M35JB grade and the like, and the thermoplastic resin comprises but is not limited to PEEK, PAEK, PPS, PEI and other thermoplastic resins.
3. The large-tension winding integrated forming process of the carbon fiber reinforced thermoplastic rotary structural member according to claim 1, wherein the surface of the used block type forming die is provided with an insert reserved position, and the curvature and the like of the forming die are designed according to the structural member.
4. The process for integrally forming a carbon fiber reinforced thermoplastic rotary structural member by large tension winding according to claim 1, wherein the block forming die is fixedly assembled by bolts or other mechanical forms at the side.
5. The process for integrally forming a carbon fiber reinforced thermoplastic rotary structural member by high-tension winding according to claim 4, wherein the size of the reserved block on the surface of the forming die is flexibly designed according to the requirement of the structural member, and the reserved block is mainly used for embedding axial reinforcing ribs or other components in the same form on the inner surface of the structural member before winding.
6. The process for integrally forming a carbon fiber reinforced thermoplastic rotary structural member by high-tension winding according to claim 1, wherein the preheating temperature of the core mold before winding is 120-150 ℃.
7. The large tension winding integrated molding process of the carbon fiber reinforced thermoplastic rotary structural member according to claim 1, wherein the laser-assisted heating temperature during winding is determined according to the processing temperature of the thermoplastic resin matrix used.
8. The large-tension winding integrated forming process of the carbon fiber reinforced thermoplastic rotary structural member according to claim 1, wherein the winding speed is 2 m/min-6 m/min.
9. The large tension winding integrated forming process of the carbon fiber reinforced thermoplastic rotary structural member according to claim 1, wherein the feeding tension is 100-300N during winding.
10. The large-tension winding integrated forming process of the carbon fiber reinforced thermoplastic rotary structural member according to claim 1, wherein the pressure of the pressing roller during winding is 200-400N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311868810.4A CN117885252A (en) | 2023-12-29 | 2023-12-29 | Large-tension winding integrated forming process for carbon fiber reinforced thermoplastic revolving body structural member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311868810.4A CN117885252A (en) | 2023-12-29 | 2023-12-29 | Large-tension winding integrated forming process for carbon fiber reinforced thermoplastic revolving body structural member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117885252A true CN117885252A (en) | 2024-04-16 |
Family
ID=90646913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311868810.4A Pending CN117885252A (en) | 2023-12-29 | 2023-12-29 | Large-tension winding integrated forming process for carbon fiber reinforced thermoplastic revolving body structural member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117885252A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118110154A (en) * | 2024-04-29 | 2024-05-31 | 湖北省电力规划设计研究院有限公司 | Multiple solid waste synergistic reinforcing soft foundation structure, mold and preparation method |
-
2023
- 2023-12-29 CN CN202311868810.4A patent/CN117885252A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118110154A (en) * | 2024-04-29 | 2024-05-31 | 湖北省电力规划设计研究院有限公司 | Multiple solid waste synergistic reinforcing soft foundation structure, mold and preparation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117885252A (en) | Large-tension winding integrated forming process for carbon fiber reinforced thermoplastic revolving body structural member | |
| US4271116A (en) | Composite structure | |
| TWI703030B (en) | Process for the continuous production of fibre-reinforced profiles comprising a foam core | |
| JP2012517368A (en) | Method and apparatus for manufacturing fiber reinforced plastic parts | |
| CN102494009B (en) | Composite material-made transmission shaft for cooling tower and molding technology thereof | |
| US20170268602A1 (en) | Composite flywheel | |
| JP2019124351A (en) | Manufacturing method of fiber-reinforced resin-made bolt, and fiber-reinforced resin-made bolt | |
| JPH0232133B2 (en) | ||
| US20130306220A1 (en) | Production and repair of fibre reinforceed composite components with enhanced surface and adhesion properties | |
| US3733233A (en) | Method of making a roller | |
| CN114311742A (en) | Circumferential winding forming method of thermoplastic composite material | |
| CN105034339B (en) | A kind of processing method and equipment of continuous fiber multi-lay winding thermoplastic compound tube | |
| US10744724B2 (en) | Composite aircraft manufacturing tooling and methods using articulating mandrels | |
| CN106985421A (en) | A kind of production technology of integrally formed full carbon fibre hub | |
| US20200238634A1 (en) | Molded article and method for making the same | |
| EP2868452B1 (en) | System and method for producing composite component | |
| JPH0259328A (en) | Manufacture of frp container | |
| US3997954A (en) | Low friction bearing prepared by winding onto a mandrel | |
| JP2000015711A (en) | Method and apparatus for producing reinforcing member for pressure container | |
| JP2002081436A (en) | Method of manufacturing rubber roll | |
| JP3586919B2 (en) | Rubber roll and method for producing the same | |
| CN117565426A (en) | Manufacturing method and application of carbon fiber and metal composite intelligent structure | |
| JP2024088308A (en) | Fiber-reinforced resin cylinder and method for manufacturing fiber-reinforced resin cylinder | |
| JP2004122683A (en) | Manufacturing method of fiber reinforced thermoplastic resin ring | |
| JPS6136513A (en) | Driving shaft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |