CN110435132A - A kind of 3D printer and its Method of printing of continuous fiber reinforced composite materials - Google Patents
A kind of 3D printer and its Method of printing of continuous fiber reinforced composite materials Download PDFInfo
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- CN110435132A CN110435132A CN201910641807.6A CN201910641807A CN110435132A CN 110435132 A CN110435132 A CN 110435132A CN 201910641807 A CN201910641807 A CN 201910641807A CN 110435132 A CN110435132 A CN 110435132A
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- continuous fiber
- heat block
- branched bottom
- printer
- composite materials
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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
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
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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
- B29C64/295—Heating elements
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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
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/321—Feeding
- B29C64/336—Feeding of two or more materials
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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
-
- 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)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
Abstract
The invention discloses a kind of 3D printer of continuous fiber reinforced composite materials and its Method of printing, including heat block, heating element is provided in heat block；First passage, the second branched bottom, third branched bottom are offered in heat block, first passage, the second branched bottom, third branched bottom are arranged in Y type, spray head is set in first passage, second branched bottom, third branched bottom are connected separately with trunnion, each trunnion has been sequentially communicated heat-dissipating pipe, quick connector, channel is also provided in heat block, channel is between the second branched bottom, third branched bottom, channel is connected to first passage, further includes the feed device having for silk material to be sent into quick connector.Continuous fiber is oriented in the composite controllably by conduit, channel, first passage, effectively improves 3D printing product comprehensive performance.
Description
Technical field
The invention belongs to printer technology fields, are related to a kind of 3D printer of continuous fiber reinforced composite materials, also relate to
And the Method of printing of above-mentioned 3D printer.
Background technique
3D printer is that the product of drafting is printed to its 3D model using 3D design software based on raw material are squeezed out.
3D printing technique is a kind of technology of increasing material manufacturing, the advantages such as low, with short production cycle with manufacturing cost.And current 3D printer
Product in poor mechanical properties such as strength and stiffness, can not be used well in engineering field, need to be modified using filler enhancing
Composite material afterwards.In patent of invention (Patent No. 2015107817291, a kind of entitled 3D printing enhancing PLA material)
3D printing material is disclosed using chopped carbon fiber enhancing PLA and patent of invention (Patent No. 2018109685159, title
For lignin/Microcrystalline cellulose composite, enhancing polylactic acid 3D printing material and preparation method thereof), be all first to staple fiber or
Powder carries out chemical pretreatment, and enhancing polylactic acid 3D then is prepared using the method for melting extrusion blending, wire-drawing shape and beats
Material is printed, the distribution of orientations of these fillers has biggish randomness, and filler easily occurs to reunite and disperse not in the blending process
, lead to its microstructure existing defects and mechanical property is caused to be far from reaching desired performance indicator requirement.
The patent of 3D printing material installation modified for continuous fiber reinforcement is also immature at present.Patent of invention (the patent No.
Be 201811374788.7, a kind of entitled continuous fiber reinforced composite materials 3D printer and Method of printing) disclose it is continuous
The key step of fibre reinforced composites 3D printing method is as follows: continuous fiber is infiltrated by sizing liquor, then in purple
Under the irradiation of outer light source, the sizing liquor (light-cured resin) of continuous fiber surface solidifies, and continuous fiber surface crosslinks reaction；
Then continuous fiber and matrix consumptive material enter spray head, and matrix consumptive material high-temperature fusion wraps around continuous fiber, are formed continuous fine
Dimension enhancing composite material, last continuous fiber reinforced composite materials are squeezed out from spray head, according to the preset model information of 3D printer
Printing shaping.But this production method has the following disadvantages: (1) complex steps, and silk material needs pre-invasion in photocuring before producing
In resin, and cross-linking reaction occurs under ultraviolet light, production efficiency is low, complex process；(2) light-cured resin is at high cost,
Low with plastic substrate interface bond strength, easy peeling-off (3) light-cured resin often has certain corrosivity and toxicity, has
The dissolution of mercury, silver, copper, zinc, there are organic volatile matters in the process for cross-linking reaction, are not energy-saving and environment-friendly.
Patent of invention (Patent No. 201810422931.9, a kind of entitled continuous fiber reinforced composite materials 3D printing
Machine) disclose continuous fiber reinforced composite materials 3D printer primary structure it is as follows: printing head is by wire squeeze device, feed pipe
Road, heating device, temperature measuring equipment, wire feed pipeline, gear and power device composition.Charging line is internally provided with receiving resin
The cavity of material；Wire squeeze device is used to that resin material to be sent into cavity and be squeezed out；Wire feed pipeline, which is internally provided with, wears fiber filament
Silk material cavity, wire feed pipeline is fixed on gear, and gear is rotatably connected on charging line；The outlet end of wire feed pipeline is located at
The outlet end of charging line；Power device controls the axis that wire-feeding pipe surrounds feed pipe for driving gear to rotate, by gear
Rotation is covered on the resin material squeezed out on fiber filament.But this printing head structure has the following disadvantages: (1) fiber filament
Positioned at the outer end of charging line, the half of fiber can only be made to be wrapped up by resin, not can guarantee fiber filament and be melt melt resin leaching completely
Profit, causes fiber low with resin matrix interface bond strength, easily peeling-off；(2) not by the fiber of resin infiltration with cooled down
Upper one layer of resin material can not bond, cause print product interfacial bonding strength it is low, product poor mechanical property；(3) patent
In printing head must control the movement of wire-feeding pipe at any time, to guarantee that fiber under molten resin, otherwise can not play packet
It covers the effect of fiber, but the angle control of wire-feeding pipe is extremely difficult, flexibly and wire-feeding pipe rotation angle can not be accurately controlled, it must
It so will limit the shape of printing product, therefore the threedimensional model of moulding complexity can not be printed.
Summary of the invention
The object of the present invention is to provide a kind of 3D printers of continuous fiber reinforced composite materials, can improve printing product power
Learn performance.
The technical scheme adopted by the invention is that a kind of 3D printer of continuous fiber reinforced composite materials, including heating
Block is provided with heating element in heat block；First passage, the second branched bottom, third branched bottom are offered in heat block, the
One channel, the second branched bottom, third branched bottom are arranged in Y type, are arranged spray head in first passage, the second branched bottom, the
Three branched bottoms are connected separately with trunnion, and each trunnion has been sequentially communicated heat-dissipating pipe, quick connector, has been also provided in heat block logical
Road, between the second branched bottom, third branched bottom, channel is connected to first passage in channel, further includes having for by silk
The feed device of material feeding quick connector.
The features of the present invention also characterized in that:
Feed device includes motor, and there are two feeding roller, each feeding roller and quick connector positions for socket on motor output shaft
It sets corresponding.
Conduit is provided in channel, tube at one end stretches out channel, and is fixed on heat block.
It further include having connection frame compatible with heat block, connection frame is fitted in heat block surface, and conduit outer wall is provided with
Conduit is fixed on heat block by boss, connection frame by boss；Trunnion passes through connection frame and the second branched bottom or third point
Subchannel connection.
Heat block two sidewalls form inclined-plane, and the second branched bottom, third branched bottom outlet end are located at heat block
On inclined-plane, connection frame is equipped with inclined-plane compatible with heat block.
It further include having fixed frame, fixed frame includes mutually perpendicular first connecting plate and the second connecting plate, the second connecting plate
Middle part is inwardly recessed, and heat block is located at the recess of the second connecting plate, and connection frame both ends are fixed on the second connecting plate.
It is a further object of the present invention to provide a kind of Method of printings of the 3D printer of continuous fiber reinforced composite materials.
Another technical solution adopted in the present invention is that a kind of 3D printer of continuous fiber reinforced composite materials is beaten
Impression method, including above-mentioned 3D printer, the specific steps are as follows:
Continuous fiber is sequentially passed through into conduit, channel, spray head, two plastics silk materials are clamped on feeding roller respectively, electricity
Machine drives two feeding rollers, so that each silk material is passed sequentially through quick connector, trunnion, heat block, silk material is heated in heat block
Melt, spray head is entered by the second branched bottom, third branched bottom, continuous fiber is coated at spray head and transported downwards by silk material
It is dynamic, it is squeezed out from spray outlet, forms continuous fiber reinforced composite materials.
Continuous fiber is the stainless steel metal wire of diameter 0.016-0.07mm, and silk material is X60 resin.
Continuous fiber is Kafra fiber, and silk material is PLA silk material.
Continuous fiber is inorganic non-metallic silk, and silk material is nylon plastic(s) silk material.
The beneficial effects of the present invention are: 3D printer of the invention, makes continuous fiber by conduit, channel, first passage
Orientation is controllable in the composite, effectively improves 3D printing product comprehensive performance；The second branched bottom, third point in heat block
The distribution of subchannel can make silk material uniformly coat continuous fiber, improve the mechanical property of printing product, and be not susceptible to remove；
According to structure setting fixed frame, the connection frame of heat block, the flexibility of printer is improved；Construction is simply easily controllable, energy-saving ring
It protects；The Method of printing of 3D printer of the present invention replaces continuous fiber type, fiber according to the performance needs of different printing products
Diameter, the fiber trade mark, to obtain the 3D printing product of excellent combination property, functional, customizable；By changing silk material
Color and then change product color；Using with functional silk material such as fire-retardant, ageing-resistant, corrosion-resistant, pass through different characteristics
The optimum organization of plastics silk material and continuous fiber, assigns that printing product is more abundant, functional stronger characteristic.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the 3D printer of continuous fiber reinforced composite materials of the present invention.
In figure, 1. heat blocks, 2. first passages, 3. second branched bottoms, 4. third branched bottoms, 5. spray heads, 6. trunnions,
7. heat-dissipating pipe, 8. quick connectors, 9. channels, 10. motors, 11. feeding rollers, 11-1. active-feeding roller, the driven feeding roller of 11-2.,
11-3. spring, 12. conduits, 13. connection frames, 14. boss, 15. through-holes, 16. heating rods, 17. fixed frames, the connection of 17-1. first
Plate, the second connecting plate of 17-2., 18. driving parts, 19. tubules, 20. fan boards, 21. thermistors.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
A kind of 3D printer of continuous fiber reinforced composite materials of the present invention, as shown in Figure 1, including heat block 1, heat block
Heating element 16 is provided in 1；Offer first passage 2, the second branched bottom 3, third branched bottom 4 in heat block 1, first
Channel 2, the second branched bottom 3, third branched bottom 4 are arranged in Y type, and spray head 5, the second branched bottom are arranged in first passage 2
3, third branched bottom 4 is connected separately with trunnion 6, and each trunnion 6 has been sequentially communicated heat-dissipating pipe 7, quick connector 8,6 one end of trunnion
It protrudes into third branched bottom 4, the other end protrudes into heat-dissipating pipe 7, and 8 one end of quick connector is protruded into heat-dissipating pipe 7,6 both ends of trunnion
It is connect respectively with third branched bottom 4 and heat-dissipating pipe 7 by screw thread.Channel 9 is also provided in heat block 1, channel 9 is located at two
Between second branched bottom 3, third branched bottom 4, channel 9 is connected to first passage 2, further includes having for silk material to be sent into fastly
The feed device of connection-peg 8.
Heating element includes heating rod 16 and thermistor 21, and heating rod 16, thermistor 21 are electrically connected, heat block 1
The second branched bottom 3, the lower section of third branched bottom 4 offer hole, heating rod 16 is located at the hole below the second branched bottom 3
Interior, thermistor 21 is located in the hole of 4 lower section of third branched bottom.
It is connected with fan board 20 on the fin heat dissipation grid of heat-dissipating pipe 7, is provided with fan on fan board 20, can be used for adjusting
The temperature of silk material can select existing 3D printer fan in the market.
Feed device includes motor 10, on 10 output shaft of motor socket there are two feeding roller 11, each feeding roller 11 with it is fast
8 position of connection-peg is corresponding, feeding roller 11 include active-feeding roller 11-1 for clamping silk material and conveying it downwards and from
Dynamic feeding roller 11-2, active-feeding roller 11-1 and driven feeding roller 11-2 are connected by spring 11-3, in the tension of spring 11-3
Under effect, active-feeding roller 11-1 and driven feeding roller 11-2 clamp silk material, are sent into plastics silk material to spray head 5.Motor 10 is 42
Any one of serial stepper motor, 57 serial stepper motors.
Conduit 12 is provided in channel 9, channel 9 is stretched out in 12 one end of conduit, and is fixed on heat block 1.12 peripheral hardware of conduit
It is equipped with boss 14, conduit 12 is connected to 1 upper surface of heat block by boss 14, and 12 lower end of conduit is connected with tubule 19, tubule 19
It is connected in channel 9, and with first passage 2.
It further include having connection frame 13 compatible with heat block 1, connection frame 13 is fitted in 1 surface of heat block, connection frame 13
On offer through-hole 15 compatible with conduit 12, conduit 12 passes through through-hole 15, and connection frame 13 is socketed in conduit 12 and compresses convex
Platform 14, so that conduit 12 is fixed on heat block 1, trunnion 6 passes through connection frame 13 and the second branched bottom 3 or third branch is logical
Road 4 connects.The shape of connection frame 13 is with 1 change in shape of heat block, as long as the effect that heat block 1 and conduit 12 is fixed can be played
.
1 two sidewalls of heat block form inclined-plane, and the second branched bottom 3,4 outlet end of third branched bottom are located at heat block
On 1 inclined-plane.Connection frame 13 is equipped with inclined-plane compatible with heat block 1, and connection frame 13 is fitted closely with heat block 1.Larynx
Pipe 6 sequentially passes through 13 inclined-plane of connection frame, 1 inclined-plane of heat block and connect with the second branched bottom 3 or third branched bottom 4, further
Connection frame 13 and heat block 1 is fixed.
It further include having fixed frame 17, fixed frame 17 is used to for heat block 1 being fixed on driving part 18, and driving part 18 wraps
Include X to driving stepping motor, Y-direction driving stepping motor, Z-direction driving stepping motor and corresponding transmission device, in fact
The movement of X-direction, Y-direction and Z-direction needed for existing continuous fiber reinforced composite materials printer.Fixed frame 17 includes hanging down mutually
It is inwardly recessed in the middle part of straight the first connecting plate 17-1 and the second connecting plate 17-2, the second connecting plate 17-2, heat block 1 is located at second
The recess of connecting plate 17-2,13 both ends of connection frame are fixed on the second connecting plate 17-2.Heat block 1 is consolidated by connection frame 13
It is scheduled on fixed frame 17.
A kind of Method of printing of the 3D printer of continuous fiber reinforced composite materials of the present invention, includes the following steps:
Continuous fiber is sequentially passed through into conduit 12, channel 9, spray head 5, two plastics silk materials are clamped in feeding roller 11 respectively
On, motor 10 drives two feeding rollers 11, and each silk material is made to pass sequentially through two that quick connector 8, trunnion 6, heat block 1 form
Lateral channel, due to the heat effect of heating rod 16 and thermistor 21, silk material melted by heating in heat block 1 passes through second
Branched bottom 3, third branched bottom 4 enter spray head 5, with frictional heat of the heating and silk material of heating rod in runner, silk material
Viscosity reduce, mobility enhancing, silk material converges at 5 lower end conical surface runner of spray head with continuous fiber, to make melting for two sides
Continuous fiber is coated and is moved downward by fuse material, is exported and is squeezed out from spray head 5, and continuous fiber reinforced composite materials, deposition are formed
On the workbench of driving part 18.
Embodiment 1
When sandwich layer continuous fiber is soft Gas in Ultra-thin Metal Wires, such as superfine stainless steel wire, diameter 0.016-
0.07mm；Silk material selects soft printing wire rod, and the X60 resin of Diabase Engineering company is selected in the present embodiment,
The wire rod toughness is strong, has excellent tensile strength, wearability, when fracture elongation be more than itself 7 times.Through the invention
Method of printing can make the X60 resin of melting sufficiently infiltrate and wrap up superfine stainless steel wire, and continuously be squeezed out by nozzle,
Print the composite material that sandwich layer is the enhancing of continuous superfine stainless steel wire, the 3D molded article printed using the method, benefit
The characteristic that can be changed with the special rigidity of metal filament and bending, and cooperate the plastic substrate of good toughness, make to print product with spy
Different variable formative memory fold effect, and there is antimagnetic, radiation protection, the jamproof effect of shielding, it can be used for specific function
The purposes such as unit outer cover protective covers such as electronic equipment；Further, it is also possible to pass through printing establishment molding fashionable dress face using this composite material
Material is especially worked as with antimagnetic radiation protection, antistatic, shielding, the functional result with the health concepts such as memory fold naturally
When plastics silk material is transparent material, by the fabric of continuous superfine stainless steel silk enhancing composite material braiding, then had after putting on non-
Often good anti-light effect is even more obvious under sunlight and light.
Embodiment 2
When plastics silk material selects PLA, printing product is fragile, frangibility, and previous PLA printing product generally can only
For model display, it is unable to using greatly limiting its application field.In order to preferably improve printing product
Toughness can be selected continuous aramid fiber as reinforcing fiber, the Kafra fiber of E.I.Du Pont Company, diameter selected in the present embodiment
0.2mm, the continuous fiber have the characteristics that low-density, high tensile, high elastic modulus.Method of printing energy through the invention
Enough make the infiltration aramid fiber of the PLA silk material of melting cmpletely, and continuously squeezed out by nozzle, printing sandwich layer is continuous virtue
The fibre-reinforced PLA composite material of synthetic fibre, the 3D molded article printed using the method are drawn by playing the high of sandwich layer aramid fiber
The characteristic of intensity is stretched, can play the role of good tough, the big disadvantage of pure PLA brittleness is effectively improved, improves impact flexibility；This
Outside, the addition of continuous fiber makes the structure of composite material become anisotropy by the isotropism of pure PLA, substantially increases and beats
Mechanical property of the part in continuous fiber differently- oriented directivity is printed, reciprocating motion when in conjunction with 3D printing, the printing being layering
Mode constitutes a kind of effect of stereo weaving, so that the comprehensive performance printed in product all directions be made all to be improved.
Embodiment 3
When sandwich layer continuous fiber selects inorganic non-metallic silk material, such as carbon fiber, glass fibre, basalt fibre, this
Although kind of continuous fiber intensity is high, brittleness is big, the frangibility when fibre length is too long, therefore previous enhancement method is often adopted
With short fiber reinforced, the effect of short fiber reinforced is not as good as long fibre.And nylon 3D printing material, good toughness, but compared with ABS,
Nylon is not hard enough, is unable to satisfy the rigidity requirement of part.Printer head structure through the invention, can be used good toughness
Nylon 3D printing silk makes the nylon plastic(s) of melting adequately infiltrate, wrap up inorganic continuous fiber as plastics silk material, and passes through spray
Mouth continuously squeezes out, and prints the nylon based composites that sandwich layer is continuous inorganic fiber enhancing, the 3D mould printed using the method
Type product combines the physical property feature of two kinds of materials, and the characteristic with " soft outside but hard inside " is suitble to production to have rigid element and soft
The components such as the hinges of property structure.
Embodiment 4
Two silk materials select different colours, and a such as silk is white, and another is blue, can printing through the invention
Machine prints that Lan Bai is alternate and the composite material of continuous fiber reinforcement.
In the above manner, 3D printer of the invention, makes continuous fiber exist by conduit 12, channel 9, first passage 2
It is oriented controllably in composite material, effectively improves 3D printing product comprehensive performance；The second branched bottom 3, third point in heat block 1
The distribution of subchannel 4 can make silk material uniformly coat continuous fiber, improve the mechanical property of printing product, and be not susceptible to remove；
According to the structure setting fixed frame 17 of heat block 1, connection frame 13, the flexibility of printer is improved；3D printer of the present invention is beaten
Impression method replaces continuous fiber type, fibre diameter, the fiber trade mark, to obtain according to the performance needs of different printing products
Excellent combination property, functional, customizable 3D printing product；Change product color by changing silk material color；
Using with functional silk material such as fire-retardant, ageing-resistant, corrosion-resistant, pass through the excellent of the plastics silk materials of different characteristics and continuous fiber
Change combination, assigns that printing product is more abundant, functional stronger characteristic.
Claims (10)
1. a kind of 3D printer of continuous fiber reinforced composite materials, which is characterized in that including heat block (1), the heat block
(1) heating element is provided in；First passage (2), the second branched bottom (3), third branch are offered in the heat block (1)
Channel (4), the first passage (2), the second branched bottom (3), third branched bottom (4) are arranged in Y type, the first passage
(2) spray head (5) are set in, second branched bottom (3), third branched bottom (4) are connected separately with trunnion (6), Mei Gesuo
It states trunnion (6) and has been sequentially communicated heat-dissipating pipe (7), quick connector (8), be also provided with channel (9) in the heat block (1), it is described
Channel (9) is between second branched bottom (3), third branched bottom (4), and the channel (9) and first passage (2) are even
It is logical, it further include the feed device having for silk material to be sent into quick connector (8).
2. a kind of 3D printer of continuous fiber reinforced composite materials according to claim 1, which is characterized in that described to send
Expect that device includes motor (10), there are two feeding roller (11), each feeding rollers for socket on motor (10) output shaft
(11) corresponding with quick connector (8) position.
3. a kind of 3D printer of continuous fiber reinforced composite materials according to claim 1 or 2, which is characterized in that institute
It states and is provided with conduit (12) in channel (9), channel (9) are stretched out in described conduit (12) one end, and are fixed on heat block (1).
4. a kind of 3D printer of continuous fiber reinforced composite materials according to claim 3, which is characterized in that further include
Have and is fitted in heat block (1) surface, the conduit with heat block (1) compatible connection frame (13), the connection frame (13)
(12) outer wall is provided with boss (14), and conduit (12) is fixed on heat block (1) by the connection frame (13) by boss (14)；
The trunnion (6) passes through connection frame (13) and connect with the second branched bottom (3) or third branched bottom (4).
5. a kind of 3D printer of continuous fiber reinforced composite materials according to claim 4, which is characterized in that described to add
Heat block (1) two sidewalls form inclined-plane, and second branched bottom (3), third branched bottom (4) outlet end are located at heat block
(1) on inclined-plane, the connection frame (13) is equipped with heat block (1) compatible inclined-plane.
6. a kind of 3D printer of continuous fiber reinforced composite materials according to claim 4, which is characterized in that further include
Having fixed frame (17), the fixed frame (17) includes mutually perpendicular first connecting plate (17-1) and the second connecting plate (17-2),
It is inwardly recessed in the middle part of second connecting plate (17-2), the heat block (1) is located at the recess of the second connecting plate (17-2), institute
Connection frame (13) both ends are stated to be fixed on the second connecting plate (17-2).
7. a kind of Method of printing of the 3D printer of continuous fiber reinforced composite materials, including 3D as claimed in claim 3 are beaten
Print machine, the specific steps are as follows:
Continuous fiber is sequentially passed through into conduit (12), channel (9), spray head (5), two plastics silk materials are clamped in feeding roller respectively
(11) on, the motor (10) drives two feeding rollers (11), make each silk material pass sequentially through quick connector (8), trunnion (6),
Heat block (1), silk material in heat block (1) interior melted by heating, by second branched bottom (3), third branched bottom (4) into
Enter spray head (5), continuous fiber is coated and moved downward at spray head (5) by the silk material, is exported and is squeezed out from spray head (5), is formed
Continuous fiber reinforced composite materials.
8. a kind of Method of printing of the 3D printer of continuous fiber reinforced composite materials according to claim 7, feature
It is, the continuous fiber is the stainless steel metal wire of diameter 0.016-0.07mm, and the silk material is X60 resin.
9. a kind of Method of printing of the 3D printer of continuous fiber reinforced composite materials according to claim 7, feature
It is, the continuous fiber is Kafra fiber, and the silk material is PLA silk material.
10. a kind of Method of printing of the 3D printer of continuous fiber reinforced composite materials according to claim 7, feature
It is, the continuous fiber is inorganic non-metallic silk, and the silk material is nylon plastic(s) silk material.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111004485A (en) * | 2019-12-27 | 2020-04-14 | 中电国基南方集团有限公司 | Polylactic acid composite material containing Kevlar nanofiber and preparation method thereof |
| CN111761811A (en) * | 2020-06-30 | 2020-10-13 | 北京机科国创轻量化科学研究院有限公司 | Additive manufacturing method of fiber-reinforced thermoplastic resin-based composite material |
| CN112123753A (en) * | 2020-08-03 | 2020-12-25 | 叶佩秋 | Multifunctional 3D printer and printing material thereof |
| CN112757624A (en) * | 2020-12-13 | 2021-05-07 | 华融普瑞(北京)科技有限公司 | Continuous carbon fiber FDM 3D printing method for thigh of quadruped robot |
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| CN113715324A (en) * | 2021-08-27 | 2021-11-30 | 中国空间技术研究院 | 3D printer made of metal and nonmetal composite material and printing method thereof |
| CN114030179A (en) * | 2021-09-24 | 2022-02-11 | 中山大学·深圳 | Double-channel feeding continuous fiber reinforced composite material 3D printer and control method |
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