CN107139459A - Continuous fiber reinforced composite materials increasing material manufacturing device - Google Patents
Continuous fiber reinforced composite materials increasing material manufacturing device Download PDFInfo
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- CN107139459A CN107139459A CN201710588870.9A CN201710588870A CN107139459A CN 107139459 A CN107139459 A CN 107139459A CN 201710588870 A CN201710588870 A CN 201710588870A CN 107139459 A CN107139459 A CN 107139459A
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- shower nozzle
- material manufacturing
- composite materials
- reinforced composite
- continuous fiber
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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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
Abstract
A kind of continuous fiber reinforced composite materials increasing material manufacturing device of the present invention, nozzle structure is simple, and size is smaller, can improve formed precision；Vertical distance between the outlet and the outlet of outer shower nozzle of interior shower nozzle is adjustable, can control the centering of fibrous composite, improves Forming Quality.Continuous fiber reinforced composite materials increasing material manufacturing shower nozzle is arranged on two-dimension moving platform, workbench is provided with below continuous fiber reinforced composite materials increasing material manufacturing shower nozzle, workbench is arranged on motion in one dimension platform, wire squeeze mechanism, heater and device for detecting temperature are installed on continuous fiber reinforced composite materials increasing material manufacturing shower nozzle and follow two-dimension moving platform to move, heater is used to heat continuous fiber reinforced composite materials increasing material manufacturing shower nozzle, device for detecting temperature is used for the temperature for measuring continuous fiber reinforced composite materials increasing material manufacturing shower nozzle, control device controls two-dimension moving platform, motion in one dimension platform, wire squeeze mechanism, the working condition of heater and device for detecting temperature.
Description
Technical field
The invention belongs to material increasing field, in particular, it is related to a kind of continuous fiber reinforced composite materials and increases material system
Make device.
Background technology
Increases material manufacturing technology is an emerging technology fast-developing in manufacture field, is referred to as " having the 3rd
The manufacturing technology of secondary industrial revolution important symbol meaning ", each Main Developed Countries are classified as the key technology of strategic development.Mesh
Before, increases material manufacturing technology relies on multiple ambit sophisticated technologies, in aeronautical and space technology, vehicle appliance manufacture production, biology
The fields such as medicine, food processing have obtained certain application.Compared with traditional manufacturing technology, the manufacture of increasing material manufacturing three-dimensional fast shaping
Technology eliminates the processing and manufacturing of product mold, so as to greatly shorten the lead time of product in time, improves life
Yield and reduction production cost.There is very big development potentiality in terms of economic benefit and prospect, according to international quick manufacturing
Authority's report《Wohlers Report2011》The investigation result of issue shows that global 3D printing industry production value was arrived in 1988
Increased between 2010 with 26.2% average annual speed.Address prediction, 3D printing industry future will still remain to be increased quickly
Long speed, to the year two thousand twenty, 5,200,000,000 dollars are up to comprising the industry gross output value including device fabrication and service.In the state of 2012
In the Developing trend of new technology investigation of border, 3D printing manufacturing technology ranks first.At present, existing increases material manufacturing technology also faces all
Many bottlenecks and exploration, accordingly, it would be desirable to which further further investigation, expands its application field.
The fibre reinforced composites product printed using increases material manufacturing technology, not only possesses high intensity, high rigidity, matter
The features such as measuring light, and the distribution arrangement of fiber can be controlled, so as to control the performance of product.The increasing of fibre reinforced composites
Material manufacturing technology is either all significant in civilian or military affairs.For example, being made using carbon fibre composite
Auto parts and components, lift automotive performance and reduce oil consumption；Carbon fibre composite product covers each of space flight optical remote sensor
Position, such as camera lens barrel, camera support, light shield, truss.Fast development and increases material manufacturing technology by printed material
Increasingly mature, the increases material manufacturing technology based on fibre reinforced composites will be applied to all trades and professions, promote manufacturing industry
It is fast-developing.
But current continuous fiber reinforced composite materials increases material manufacturing technology research is less, still in development, deposits
In problems.Such as, resin can not be well into filament band inside, it is impossible to by each filament by resin-bonded one
Rise, so as to form cavity in printing inside workpiece, seriously reduce the mechanical property of workpiece.In addition, continuous lod is compound
The easy plug of material increasing material manufacturing, thus cause fiber can not wire vent or resin overflowed outward inside shower nozzle.
Patent No. 201611004458.X patent of invention one kind is applied to continuous fiber reinforced composite materials and increases material system
The shower nozzle and patent of invention one kind of Patent No. 201611026706.0 made are beaten suitable for continuous fiber reinforced composite materials 3D
The shower nozzle of print discloses a kind of shower nozzle suitable for continuous fiber reinforced composite materials increasing material manufacturing, but the structure of shower nozzle ratio
It is more complicated, cause jet size larger, the cavity volume for accommodating resin material is larger, in addition between interior head outlet and the outside outlet
Distance can not adjust, it is impossible to control the centering of fibrous composite.
The content of the invention
The present invention solves the technical problem of provide a kind of continuous fiber reinforced composite materials increasing material manufacturing device, spray
Header structure is simple, and size is smaller, can improve formed precision；In addition, perpendicular between the outlet and the outlet of outer shower nozzle of interior shower nozzle
It is straight to control the centering of fibrous composite apart from adjustable, improve Forming Quality；Also include dimension infiltration apparatus and light source,
The Bonding quality of the interface between grain and liner between fiber and resin can be improved, the mechanical property of composite is further improved.
In order to solve the above technical problems, the invention belongs to material increasing field, in particular, being related to a kind of continuous fiber
Strengthen composite increasing material manufacturing device, including continuous fiber reinforced composite materials increasing material manufacturing shower nozzle, two-dimension moving platform, one
Maintenance and operation moving platform, workbench, wire squeeze mechanism, control device, heater and device for detecting temperature, nozzle structure are simple, size
It is smaller, formed precision can be improved；In addition, the vertical distance between the outlet and the outlet of outer shower nozzle of interior shower nozzle is adjustable, can be with
The centering of fibrous composite is controlled, improves Forming Quality；Also include dimension infiltration apparatus and light source, fiber and tree can be improved
Bonding quality of the interface between grain and liner between fat, further improves the mechanical property of composite.
Continuous fiber reinforced composite materials increasing material manufacturing shower nozzle is arranged on two-dimension moving platform, and continuous lod is combined
Workbench is provided with below material increasing material manufacturing shower nozzle, workbench is arranged on motion in one dimension platform, wire squeeze mechanism, heating dress
Put and be installed in device for detecting temperature on continuous fiber reinforced composite materials increasing material manufacturing shower nozzle and follow two-dimension moving platform
Motion, heater is used to heat continuous fiber reinforced composite materials increasing material manufacturing shower nozzle, and device for detecting temperature is used for the company of measurement
The temperature of continuous fibre reinforced composites increasing material manufacturing shower nozzle, control device controls two-dimension moving platform, motion in one dimension platform, squeezed
The working condition of silk mechanism, heater and device for detecting temperature.
The continuous fiber reinforced composite materials increasing material manufacturing shower nozzle is made up of outer shower nozzle and interior shower nozzle, the interior shower nozzle spiral shell
Line is connected in the inside of outer shower nozzle, and the inside of the interior shower nozzle, which is provided with, is used to wearing filametntary inner chamber II, the outer shower nozzle it is interior
Portion is provided with the inner chamber I for accommodating resin material, and the inner chamber I and inner chamber II are coaxial, and communication with cavity I is additionally provided with the outer shower nozzle
Connecting hole, the connecting hole is located at the side of outer shower nozzle.
As the further optimization of the technical program, described in continuous fiber reinforced composite materials increasing material manufacturing device of the present invention
The upper end of outer shower nozzle is cylinder, and lower end is cone, and two planes are arranged with the cylinder, and the connecting hole is located at
In one of plane, another plane is provided with positioning hole, and the positioning hole is tapped blind hole.
As the further optimization of the technical program, described in continuous fiber reinforced composite materials increasing material manufacturing device of the present invention
Interior shower nozzle is cylinder, and the upper end diameter of interior shower nozzle is more than lower end diameter, and the upper end of interior shower nozzle is provided with tappet head, the tappet head
Lower end be provided with block, the inner chamber II is through interior shower nozzle and coaxial with interior shower nozzle, and the inner chamber II is two cylindrical cavities
Body is constituted, and the diameter of upper end circular cylindrical cavity is more than the diameter of lower end circular cylindrical cavity, and the junction of two circular cylindrical cavities is
Arc-shaped transition.
As the further optimization of the technical program, described in continuous fiber reinforced composite materials increasing material manufacturing device of the present invention
Interior shower nozzle is made up of upper nozzle and lower nozzle, upper nozzle and the lower nozzle threaded connection, and the inside of the upper nozzle, which is provided with, to be passed through
The cylindrical hole I of shower nozzle is put on, the cylindrical hole I and upper nozzle are coaxial, the inside of the lower nozzle, which is provided with, runs through lower nozzle
Cylindrical hole II, the cylindrical hole II and lower nozzle be coaxial, and the cylindrical hole I and cylindrical hole II are coaxial, the circle
The diameter of post through hole I is more than the diameter of cylindrical hole II.
As the further optimization of the technical program, described in continuous fiber reinforced composite materials increasing material manufacturing device of the present invention
Cylindrical hole I is connected with cylindrical hole II by transition segmental arc, and the transition segmental arc is smooth arc-shaped surface.
As the further optimization of the technical program, described in continuous fiber reinforced composite materials increasing material manufacturing device of the present invention
The outlet of interior shower nozzle is located within outer shower nozzle, and the vertical distance between the outlet and the outlet of outer shower nozzle of the interior shower nozzle is 1-
6mm, elastomeric pad is provided between the outer shower nozzle and interior shower nozzle.
As the further optimization of the technical program, continuous fiber reinforced composite materials increasing material manufacturing device of the present invention is also wrapped
Include and photosensitive resin is housed in fiber infiltration apparatus and light source, the fiber infiltration apparatus, the fiber infiltration apparatus is used for light
Inside quick resin infiltrated fiber beam, the light source be ultraviolet laser, wavelength 350nm, it is adjustable that power output should be 0-200mW.
As the further optimization of the technical program, described in continuous fiber reinforced composite materials increasing material manufacturing device of the present invention
Fiber infiltration apparatus be cuboid, fiber infiltration apparatus is internally provided with cavity, and inside cavity is equipped with photosensitive resin, cavity
Inside be additionally provided with the different tension pole of multiple height, the tension pole is respectively positioned in photosensitive resin, fiber infiltration dress
The side put is connected with the pull-out through hole that connection inside cavity is provided with extruder head, extruder head.
Continuous fiber reinforced composite materials increasing material manufacturing shower nozzle and printer of the present invention have the beneficial effect that：
1. resin inlet can effectively reduce the straight of outer shower nozzle positioned at the upper end of the side of outer shower nozzle, rather than outer shower nozzle
Footpath, so as to reduce the size of shower nozzle, reduces the quality of shower nozzle, improves formed precision.
2. shower nozzle is only made up of outer shower nozzle and interior shower nozzle, nozzle structure is simple, it is easy to process and size is smaller.
3. in shower nozzle outlet the outlet of outer shower nozzle between vertical distance it is adjustable, fibrous composite can be controlled
Centering, improves Forming Quality.
4. outer shower nozzle and interior shower nozzle are connected through a screw thread, easy to disassemble, it is easy to clear up plug.
5. shower nozzle overall dimensions are smaller, so as to reduce the cavity volume for accommodating resin material, it can not only shorten heating
Time is also prevented from resin and excessively overflowed.
6. including dimension infiltration apparatus and light source, the Bonding quality of the interface between grain and liner between fiber and resin can be improved, further carried
The mechanical property of high composite.
Brief description of the drawings
The present invention will be further described in detail with specific implementation method below in conjunction with the accompanying drawings.
Fig. 1 is continuous fiber reinforced composite materials increasing material in continuous fiber reinforced composite materials increasing material manufacturing device of the present invention
Manufacture the structural representation of shower nozzle.
Fig. 2 is the front view of continuous fiber reinforced composite materials increasing material manufacturing shower nozzle.
Fig. 3 is the left view of continuous fiber reinforced composite materials increasing material manufacturing shower nozzle.
Fig. 4 is the upward view of continuous fiber reinforced composite materials increasing material manufacturing shower nozzle.
Fig. 5 is the top view of continuous fiber reinforced composite materials increasing material manufacturing shower nozzle.
Fig. 6 be in Fig. 2 A-A to sectional view.
Fig. 7 is another structural representation of inner casing 2.
Fig. 8 is the microscopic appearance figure of the fiber resin composite material printed.
Fig. 9 is shadow of the vertical distance between interior spray outlet and outer spray outlet to fibrous composite fiber centering
Ring rule.
Figure 10 is that the continuous fiber reinforced composite materials increasing material manufacturing apparatus structure containing fiber infiltration apparatus and light source shows
It is intended to.
Figure 11 is a kind of structural representation of fiber infiltration apparatus.
Figure 12 is Figure 11 schematic perspective view.
Figure 13 prints the comparison diagram of exemplar mechanical property to add after photosensitive resin.
In figure：Outer shower nozzle 1；Connecting hole 1-1；Positioning hole 1-2；The 1-3 of inner chamber I；Interior shower nozzle 2；Tappet head 2-1；Block 2-2；
The 2-3 of inner chamber II；Upper nozzle 21；Cylindrical hole I 211；Block I 212；Transition segmental arc 213；Lower nozzle 22；Cylindrical hole II
221；Fiber infiltration apparatus 3；Cavity 3-1；Extruder head 3-2；Pull out through hole 3-2-1；Tension pole 3-3；Light source 4.
Embodiment
Embodiment one：
Illustrate present embodiment with reference to Fig. 1-13, the invention belongs to material increasing field, in particular, be related to one
Plant continuous fiber reinforced composite materials increasing material manufacturing shower nozzle, including continuous fiber reinforced composite materials increasing material manufacturing shower nozzle, two dimension
Motion platform, motion in one dimension platform, workbench, wire squeeze mechanism, control device, heater and device for detecting temperature, shower nozzle knot
Structure is simple, and size is smaller, can improve formed precision；In addition, interior shower nozzle outlet the outlet of outer shower nozzle between it is vertical away from
From adjustable, the centering of fibrous composite can be controlled, improves Forming Quality；Also include dimension infiltration apparatus and light source, can be with
Improve the Bonding quality of the interface between grain and liner between fiber and resin, further improve the mechanical property of composite.
Continuous fiber reinforced composite materials increasing material manufacturing shower nozzle is arranged on two-dimension moving platform, and continuous lod is combined
Workbench is provided with below material increasing material manufacturing shower nozzle, workbench is arranged on motion in one dimension platform, wire squeeze mechanism, heating dress
Put and be installed in device for detecting temperature on continuous fiber reinforced composite materials increasing material manufacturing shower nozzle and follow two-dimension moving platform
Motion, heater is used to heat continuous fiber reinforced composite materials increasing material manufacturing shower nozzle, and device for detecting temperature is used for the company of measurement
The temperature of continuous fibre reinforced composites increasing material manufacturing shower nozzle, control device controls two-dimension moving platform, motion in one dimension platform, squeezed
The working condition of silk mechanism, heater and device for detecting temperature.Continuous fiber reinforced composite materials increasing material manufacturing shower nozzle is by outer
Shower nozzle 1 and interior shower nozzle 2 are constituted.Wherein two-dimension moving platform, motion in one dimension platform, workbench, wire squeeze mechanism, control device, plus
Thermal and device for detecting temperature are the parts of existing fused glass pellet 3D printer, can directly be chosen.The present invention
Printhead has directly exactly been changed on the basis of existing fused glass pellet 3D printer, has been increased with the continuous fiber of designed, designed
Strong composite increasing material manufacturing shower nozzle instead of the printhead on fused glass pellet 3D printer.
The interior shower nozzle 2 is threadedly coupled in the inside of outer shower nozzle 1, and the inside of the interior shower nozzle 2, which is provided with, to be used to wear filament
The 2-3 of inner chamber II, the inside of the outer shower nozzle 1 is provided with the 1-3 of inner chamber I for accommodating resin material, the 1-3 of inner chamber I and inner chamber II
2-3 is coaxial, and the connecting hole 1-1, the connecting hole 1-1 that the 1-3 of communication with cavity I is additionally provided with the outer shower nozzle 1 are located at outer shower nozzle 1
Sideways.It is connected through a screw thread between outer shower nozzle 1 and interior shower nozzle 2, shower nozzle can be facilitated to dismantle, is easy to when shower nozzle is blocked quick clear
Reason.The 2-3 of inner chamber II is located inside shower nozzle, for through continuous fiber, resin material to enter the 1- of inner chamber I by connecting hole 1-1
3, the resin material that can be constantly entered when resin melting after is extruded and is wrapped in the surrounding of continuous fiber, and drives filament
Constantly pass.The 1-3 of the inner chamber I and 2-3 of inner chamber II can coaxially ensure that filament is located at the center of resin.Connecting hole 1-1 is located at outer
The side of shower nozzle 1, rather than the diameter of outer shower nozzle 1 can be effectively reduced positioned at the upper end of outer shower nozzle 1, so as to reduce the chi of shower nozzle
It is very little, the quality of shower nozzle is reduced, the quality of shower nozzle is lighter, and formed precision is higher.
Embodiment two：
Illustrate present embodiment with reference to Fig. 1-12, present embodiment is described further to embodiment one, described
The upper end of outer shower nozzle 1 is cylinder, and lower end is cone, and two planes, the connecting hole 1-1 are arranged with the cylinder
It is located in one of in plane, another plane is provided with positioning hole 1-2, and the positioning hole 1-2 is tapped blind hole.It is symmetrical arranged
Two planes be easy to outer shower nozzle 1 to be fixed with heat-conducting block, also allow for process connecting hole 1-1 and positioning hole 1-2.Connecting hole 1-1 is
If female through hole, for connecting trunnion.Positioning hole 1-2 is used to coordinate with the hole on heat-conducting block, so that will by screw
Heat-conducting block is fixedly connected with positioning hole 1-2 so that outer shower nozzle 1 is fixed together with heat-conducting block, prevents outer shower nozzle 1 from moving.
Embodiment three：
Illustrate present embodiment with reference to Fig. 1-13, present embodiment is described further to embodiment one or two,
The interior shower nozzle 2 is cylinder, and the upper end diameter of interior shower nozzle 2 is more than lower end diameter, and the upper end of interior shower nozzle 2 is provided with tappet head 2-1,
The lower end of the tappet head 2-1 is provided with block 2-2, and the 2-3 of inner chamber II runs through interior shower nozzle 2 and coaxial with interior shower nozzle 2, described
The 2-3 of inner chamber II is two circular cylindrical cavity compositions, and the diameter of upper end circular cylindrical cavity is more than the diameter of lower end circular cylindrical cavity, two
The junction of individual circular cylindrical cavity is arc-shaped transition.Tappet head 2-1 is easy to shower nozzle 2 in the rotation of the instruments such as spanner, can cause interior
Shower nozzle 2 is closely connected with outer shower nozzle 1, so as to prevent resin from being overflowed from interior shower nozzle 2 with the gap that outer shower nozzle 1 is connected.Block 2-2
It is easy to place elastomeric pad between outer shower nozzle 1 and interior shower nozzle 2.Under the diameter of the 2-3 of inner chamber II upper end circular cylindrical cavity is more than
The diameter of circular cylindrical cavity is held, is easy to filament to penetrate.Because filament is the fibre bundle of many filament compositions, if upper end is straight
The too small filament that is not easy in footpath is penetrated, if lower end diameter is too big, filament easily disperses.The junction of two circular cylindrical cavities
For arc-shaped transition, it is easy to filament to penetrate.
Embodiment four：
Illustrate present embodiment with reference to Fig. 1-13, present embodiment is described further to embodiment one or two,
The interior shower nozzle 2 is made up of upper nozzle 21 and lower nozzle 22, and the upper nozzle 21 and lower nozzle 22 are threadedly coupled, the upper nozzle
21 inside is provided with the cylindrical hole I 211 through upper nozzle 21, and the cylindrical hole I 211 and upper nozzle 21 be coaxial, it is described under
The inside of shower nozzle 22 is provided with the cylindrical hole II 221 through lower nozzle 22, and the cylindrical hole II 221 and lower nozzle 22 are coaxial,
The cylindrical hole I 211 and cylindrical hole II 221 are coaxial, and the diameter of the cylindrical hole I 211 is more than cylindrical hole II 221
Diameter.During printing, filament is penetrated for a long time can occur the situation of fiber plug, and plug is occurred straight
The less interior shower nozzle 2 in footpath is exported.Cylindrical hole I 211 and cylindrical hole II 221 are used to wear filament, because filament is many
The fibre bundle of filament composition, if the too small filament that is not easy to of the diameter of cylindrical hole I 211 is penetrated, if cylindrical hole II 221
Diameter it is too big, filament easily disperses.Cylindrical hole I 211 and the cavity and interior shower nozzle 2 of the formation of cylindrical hole II 221 are coaxial
Filament can be effectively ensured positioned at center.Because interior shower nozzle 2 is longer, if internal vent occurs blocking and does not allow easy to clean,
And interior shower nozzle 2 is divided into upper nozzle 21 and lower nozzle 22, backs out lower nozzle 22 when blocking and just can quickly be cleared up.
Embodiment five：
Illustrate present embodiment with reference to Fig. 1-13, present embodiment is described further to embodiment four, described
Cylindrical hole I 211 is connected with cylindrical hole II 221 by transition segmental arc 213, and the transition segmental arc 213 is smooth arc-shaped surface,
Consequently facilitating filament is penetrated, reduce frictional resistance suffered when filament is pulled out, so as to improve fibrous composite
Centering.
Embodiment six：
Illustrate present embodiment with reference to Fig. 1-13, present embodiment is described further to embodiment one to five,
The outlet of the interior shower nozzle 2 be located at outer shower nozzle 1 within, the interior shower nozzle 2 outlet the outlet of outer shower nozzle 1 between it is vertical away from
From for 1-6mm, elastomeric pad is provided between the outer shower nozzle 1 and interior shower nozzle 2.As shown in figure 8, fiber is normally to be located at shower nozzle
Center, filament should be located at the centre position of resin in the fibrous composite printed, and fiber is not in figure
It is positioned at the middle of resin, LbIt is significantly greater than La, this fiber centering is poor to influence the shaping of fibrous composite
Quality.Vertical distance between the outlet and the outlet of outer shower nozzle 1 of interior shower nozzle 2 is too small, it may appear that the phenomenon that filament is pulled off,
Its reason is that interior shower nozzle 2 and the distance between workbench are smaller, and interior shower nozzle 2 can be pressed against filament, and shower nozzle is printed
Continuous movement is needed in journey, so that filament is also constantly to be pulled out out of shower nozzle, suffered extruding force is excessive, filament will be by
Break.When the vertical distance between the outlet and the outlet of outer shower nozzle 1 of interior shower nozzle 2 is excessive, the centering of fibrous composite
Poor, fiber can be drawn out from resin, cause shaping workpiece to fail.It can be seen in figure 9 that with the outlet of interior shower nozzle 2
Vertical distance increase between outlet with outer shower nozzle 1, the value increase of fiber centering, fiber centering is deteriorated.The outer He of shower nozzle 1
Elastomeric pad is provided between interior shower nozzle 2, it is possible to achieve the vertical distance between the outlet and the outlet of outer shower nozzle 1 of interior shower nozzle 2
Regulation, and do not influence the compactness that is threadedly coupled between outer shower nozzle 1 and interior shower nozzle 2.
Embodiment seven：
Illustrate present embodiment with reference to Fig. 1-13, present embodiment is described further to embodiment one to five,
Described continuous fiber reinforced composite materials increasing material manufacturing device also includes fiber infiltration apparatus 3 and light source 4, the fiber infiltration
Photosensitive resin is housed, the fiber infiltration apparatus 3 is used for inside photosensitive resin infiltrated fiber beam, and the light source 4 is in device 3
Ultraviolet laser, wavelength 350nm, it is adjustable that power output should be 0-200mW.Fiber infiltration apparatus 3 is used to penetrate into photosensitive resin
To the inside of continuous fiber so that be impregnated with photosensitive resin between filament.Treat resin and filament and photosensitive resin
After composite is printed on workbench, light source 4 irradiates the workpiece printed so that is wrapped in inside resin and is bonded in fiber
Photosensitive resin solidification between silk.The factor of influence fiber and resin boundary surface bond quality is mainly the contact surface of fiber and resin
Product.
The continuous fiber of the dipped photosensitive resin in surface resin in continuous fiber reinforced composite materials increasing material manufacturing shower nozzle
Extruding under can penetrate further into the gap between filament so that the contact area of continuous fiber and photosensitive resin
Further increase.Photosensitive resin issues third contact of a total solar or lunar eclipse curing reaction in the irradiation of ultraviolet light, and epoxy resin and acrylic resin occur poly-
Conjunction is cross-linked to form polymer, at the same time, can also be formed between some functional groups of fiber surface and the functional group of resin group
Stable chemical bond connection, photosensitive resin and continuous fiber are combined closely, form stable boundary by primary valence force effect
Face phase.The thermal capacitance of resin is larger, and the solidification of photosensitive resin is completed in advance, forms the continuous phase for being attached to continuous fiber silk.Tree
Fat is subsequently cured, and the polymer chain of two kinds of resins forms Semi-IPN network structure in interface.The boundary of resin and photosensitive resin
Face mechanism of action is mainly the friction engagement between two-phase.
There are two interfaces in the continuous fiber reinforced composite materials being modified by photosensitive resin：Photosensitive resin and continuous fiber
Interface and resin and photosensitive resin interface.Contact area of the interface of photosensitive resin and continuous fiber due to increasing two-phase, because
This Bonding quality of the interface between grain and liner has improvement than resin and continuous fiber interface.And resin and photosensitive resin interface are resin alloys circle
Face, with higher interface bond strength.Therefore, the more unmodified composite wood of photosensitive resin modified fibre reinforced resin composite
Material has more preferable interface performance and mechanical performance, so that the Bonding quality of the interface between grain and liner between fiber and resin is further improved,
Improve the mechanical property of composite.In order to prove concept feasible, as shown in figure 13, five kinds of different parameters printings are have selected
Multi-group workpiece carries out extension test, and the tensile strength measured has 30% an or so lifting.
In addition, being limited to current photosensitive resin material may evaporate at high temperature, therefore cold melt can be used
PCL resins, treating the performance of photosensitive resin in the future is improved, and can be applicable high-temperature resin.
Embodiment eight：
Illustrate present embodiment with reference to Fig. 1-13, present embodiment is described further to embodiment seven, described
Fiber infiltration apparatus 3 is cuboid, and being internally provided with inside cavity 3-1, cavity 3-1 for fiber infiltration apparatus 3 is equipped with photosensitive tree
Fat, cavity 3-1 inside is additionally provided with multiple height different tension pole 3-3, the tension pole 3-3 and is respectively positioned on photosensitive resin
Interior, the side of the fiber infiltration apparatus 3, which is connected with extruder head 3-2, extruder head 3-2, to be provided with inside connection cavity 3-1
Pull out through hole 3-2-1.Tension pole 3-3 can improve the infiltration degree between photosensitive resin and continuous fiber, and extruder head 3-2 can
To cause the continuous fiber for being impregnated with photosensitive resin to be aggregated to together.
Operation principle：Before the printing, in the 2-3 of inner chamber II in inside shower nozzle 2 or cylindrical hole I 211 and cylindrical hole
Continuous fiber is first penetrated in II 221 cavitys formed, the outlet of continuous fiber from outer shower nozzle 1 is passed.Pass through outer shower nozzle 1
Connecting hole 1-1 send constantly into resin material to the 1-3 of inner chamber I, resin material can be PLA resin, ABS resin, PCL resins
Deng being extruded from the 1-3 of inner chamber I outlet after the fusing of, resin material, resin material can be wrapped in continuous fiber during extrusion
Surrounding, forms columned fiber resin composite material and bonds on the table, pass through the continuous movement of workbench and shower nozzle
Realize that increasing material manufacturing prints workpiece.
When needing to improve fiber with resin boundary surface bond quality, first continuous fiber is infiltrated by fiber infiltration apparatus 3
After be re-fed into cavity, therefore resin material is wrapped in during being impregnated with photosensitive resin, extrusion between continuous fiber
The surrounding of continuous fiber, while photosensitive resin is wrapped in inside resin material.Treat fiber, photosensitive resin and molten resin institute shape
Into composite bond on the table when, irradiate the workpiece that has printed with ultraviolet laser so that be wrapped in resin
Portion and the photosensitive resin solidification being bonded between filament.So as to improve the Bonding quality of the interface between grain and liner between fiber and resin, improve
The mechanical property of composite.
Certainly, described above not limitation of the present invention, the present invention is also not limited to the example above, the art
The variations, modifications, additions or substitutions that those of ordinary skill is made in the essential scope of the present invention, fall within the guarantor of the present invention
Protect scope.
Claims (8)
1. continuous fiber reinforced composite materials increasing material manufacturing device, including continuous fiber reinforced composite materials increasing material manufacturing shower nozzle,
Two-dimension moving platform, motion in one dimension platform, workbench, wire squeeze mechanism, control device, heater and device for detecting temperature, even
Continuous fibre reinforced composites increasing material manufacturing shower nozzle is arranged on two-dimension moving platform, and continuous fiber reinforced composite materials increase material system
Make and workbench is provided with below shower nozzle, workbench is arranged on motion in one dimension platform, wire squeeze mechanism, heater and temperature prison
Survey device to be installed on continuous fiber reinforced composite materials increasing material manufacturing shower nozzle and follow two-dimension moving platform to move, heating dress
Put for heating continuous fiber reinforced composite materials increasing material manufacturing shower nozzle, device for detecting temperature is answered for measuring continuous lod
The temperature of condensation material increasing material manufacturing shower nozzle, control device control two-dimension moving platform, motion in one dimension platform, wire squeeze mechanism, heating
The working condition of device and device for detecting temperature, it is characterised in that：The continuous fiber reinforced composite materials increasing material manufacturing shower nozzle
It is made up of outer shower nozzle (1) and interior shower nozzle (2), interior shower nozzle (2) threaded connection is in the inside of outer shower nozzle (1), the interior shower nozzle
(2) inside, which is provided with, to be used to wear filametntary inner chamber II (2-3), and the inside of the outer shower nozzle (1) is provided with receiving resin material
Inner chamber I (1-3), the inner chamber I (1-3) coaxially, (the 1- of communication with cavity I is additionally provided with the outer shower nozzle (1) with inner chamber II (2-3)
3) connecting hole (1-1), the connecting hole (1-1) is located at the side of outer shower nozzle (1).
2. continuous fiber reinforced composite materials increasing material manufacturing device according to claim 1, it is characterised in that：The outer spray
The upper end of head (1) is cylinder, and lower end is cone, and two planes, the connecting hole (1-1) are arranged with the cylinder
It is located in one of in plane, another plane is provided with positioning hole (1-2), the positioning hole (1-2) is tapped blind hole.
3. continuous fiber reinforced composite materials increasing material manufacturing device according to claim 1 or 2, it is characterised in that：It is described
Interior shower nozzle (2) is cylinder, and the upper end diameter of interior shower nozzle (2) is more than lower end diameter, and the upper end of interior shower nozzle (2) is provided with tappet head
(2-1), the lower end of the tappet head (2-1) is provided with block (2-2), the inner chamber II (2-3) through interior shower nozzle (2) and with it is interior
Coaxially, the inner chamber II (2-3) is two circular cylindrical cavity compositions to shower nozzle (2), and the diameter of upper end circular cylindrical cavity is more than lower end
The diameter of circular cylindrical cavity, the junction of two circular cylindrical cavities is arc-shaped transition.
4. continuous fiber reinforced composite materials increasing material manufacturing device according to claim 1 or 2, it is characterised in that：It is described
Interior shower nozzle (2) is made up of upper nozzle (21) and lower nozzle (22), the upper nozzle (21) and lower nozzle (22) threaded connection, described
The inside of upper nozzle (21) is provided with the cylindrical hole I (211) through upper nozzle (21), the cylindrical hole I (211) and upper nozzle
(21) coaxially, the inside of the lower nozzle (22) is provided with the cylindrical hole II (221) through lower nozzle (22), the cylindrical hole
II (221) and lower nozzle (22) coaxially, the cylindrical hole I (211) with cylindrical hole II (221) coaxially, the cylindrical hole I
(211) diameter is more than the diameter of cylindrical hole II (221).
5. continuous fiber reinforced composite materials increasing material manufacturing device according to claim 4, it is characterised in that：The cylinder
Through hole I (211) is connected with cylindrical hole II (221) by transition segmental arc (213), and the transition segmental arc (213) is smooth
Cambered surface.
6. continuous fiber reinforced composite materials increasing material manufacturing device according to any one of claim 1 to 5, its feature exists
In：The outlet of the interior shower nozzle (2) is located within outer shower nozzle (1), the outlet of the interior shower nozzle (2) and the outlet of outer shower nozzle (1)
Between vertical distance be 1-6mm, be provided with elastomeric pad between the outer shower nozzle (1) and interior shower nozzle (2).
7. continuous fiber reinforced composite materials increasing material manufacturing device according to any one of claim 1 to 5, its feature exists
In：The device also includes photosensitive resin, institute are housed in fiber infiltration apparatus (3) and light source (4), the fiber infiltration apparatus (3)
Stating fiber infiltration apparatus (3) is used for inside photosensitive resin infiltrated fiber beam, and the light source (4) is ultraviolet laser, wavelength
350nm, it is adjustable that power output should be 0-200mW.
8. continuous fiber reinforced composite materials increasing material manufacturing device according to claim 7, it is characterised in that：The fiber
Infiltration apparatus (3) is cuboid, and being internally provided with inside cavity (3-1), cavity (3-1) for fiber infiltration apparatus (3) is equipped with light
Quick resin, the inside of cavity (3-1) is additionally provided with the different tension pole of multiple height (3-3), and the tension pole (3-3) is respectively positioned on
In photosensitive resin, the side of the fiber infiltration apparatus (3), which is connected with extruder head (3-2), extruder head (3-2), is provided with connection
The internal pull-out through hole (3-2-1) of cavity (3-1).
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| CN201710588870.9A CN107139459B (en) | 2017-07-19 | 2017-07-19 | Continuous fiber reinforced composite materials increasing material manufacturing device |
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| CN107139459B CN107139459B (en) | 2019-02-15 |
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Effective date of registration: 20220809 Address after: Shuangmiaoliang Group, Qianliuta Village, Daliuta Town, Shenmu City, Yulin City, Shaanxi Province 719000 Patentee after: Shaanxi Zhongde Kechuang Technology Co., Ltd. Address before: 225723 Huadong group 4, Huazhuang village, Zhangguo Town, Xinghua City, Taizhou City, Jiangsu Province Patentee before: Hua Mingjin |