CN108312507B - A kind of continuous fiber reinforced composite materials 3D printing spray head and printer - Google Patents
A kind of continuous fiber reinforced composite materials 3D printing spray head and printer Download PDFInfo
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- CN108312507B CN108312507B CN201810422929.1A CN201810422929A CN108312507B CN 108312507 B CN108312507 B CN 108312507B CN 201810422929 A CN201810422929 A CN 201810422929A CN 108312507 B CN108312507 B CN 108312507B
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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
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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
- B33Y70/00—Materials specially adapted for additive manufacturing
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
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Abstract
The invention belongs to material increasing field, it is related to a kind of continuous fiber reinforced composite materials 3D printing spray head and printer, can effectively prevents fiber filament and block spray head, can also prevent the resin material of melting from overflowing.Charging line is internally provided with the cavity for accommodating resin material, the open communication of cavity and charging line both ends；It is squeezed out in the feeding cavity open at one end that wire squeeze device is used to resin material passing through charging line and from another end opening of charging line；Heating device is used for the intracorporal resin material of heating chamber, and temperature measuring equipment is used to measure the temperature of the intracorporal resin material of chamber；Wire feed pipeline, which is internally provided with, wears filametntary silk material cavity, and wire feed pipeline is rotatably connected on charging line, can rotate around the axis of charging line, wire feed pipeline can not move up and down；The outlet end of wire feed pipeline is located at the outlet end of charging line, so that the resin material squeezed out is covered on the fiber filament being pierced by inside wire feed pipeline；Power device is for driving wire feed pipeline to rotate.
Description
Technical field
The invention belongs to material increasing fields, more specifically, being related to a kind of continuous fiber reinforced composite materials 3D printing
Spray head and printer.
Background technique
Increases material manufacturing technology is an emerging technology fast-developing in manufacture field, referred to as " has third
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
The processing and manufacturing of product mold is omitted in technology, 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
The investigation result of authority's report " Wohlers Report 2011 " publication 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 arrives the year two thousand twenty, is up to 5,200,000,000 dollars comprising the industry gross output value including device fabrication and service.In state in 2012
In the investigation of border Developing trend of new technology, 3D printing manufacturing technology ranks first.Currently, existing increases material manufacturing technology also face it is all
Various bottlenecks and exploration expand its application field therefore, it is necessary to further further investigate.
The fibre reinforced composites product printed using increases material manufacturing technology, not only has high intensity, high rigidity, matter
It measures the features such as light, and can control the distribution arrangement of fiber, to control the performance of product.The increasing of fibre reinforced composites
Material manufacturing technology is either all of great significance in civilian or military affairs.For example, being made using carbon fibre composite
Auto parts and components promote 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, hood, truss.By the fast development and increases material manufacturing technology of printed material
Increasingly mature, the increases material manufacturing technology based on fibre reinforced composites will be applied to all trades and professions, push manufacturing industry
It is fast-developing.
But current continuous fiber reinforced composite materials increases material manufacturing technology research is less, is still in development phase, deposits
In problems.For example, resin is unable to fully enter inside fiber filament band, each fiber filament can not be passed through resin-bonded one
It rises, to form cavity in printing inside workpiece, seriously reduces the mechanical property of workpiece.In addition, continuous fiber reinforcement is compound
Material increasing material manufacturing is easy plug, so as to cause fiber can not wire vent or resin overflowed outward inside spray head.
Patent of invention one kind of Patent No. 201611004458.X is suitable for continuous fiber reinforced composite materials and increases material system
Patent of invention one kind of the spray head and Patent No. 201611026706.0 made is suitable for continuous fiber reinforced composite materials 3D and beats
The spray head of print discloses a kind of spray head suitable for continuous fiber reinforced composite materials increasing material manufacturing, but is easy to appear fibre
The phenomenon that tieing up silk plug dead spray head.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of continuous fiber reinforced composite materials 3D printing spray head and beat
Print machine can effectively prevent the phenomenon that fiber filament blocks spray head；Further, it is also possible to prevent the resin material of melting from overflowing.
In order to solve the above technical problems, the invention belongs to material increasing fields, more specifically, being related to a kind of continuous fiber
Enhance composite material 3D printing spray head, by wire squeeze device, heating device, temperature measuring equipment, the charging line of both ends open, wire-feeding pipe
Road and power device composition, can effectively prevent the phenomenon that fiber filament blocks spray head, can also prevent the resin material of melting from overflowing
Out.
The charging line is internally provided with the cavity for accommodating resin material, the cavity and the charging line both ends
Open communication；
In the feeding open at one end cavity that the wire squeeze device is used to resin material passing through the charging line simultaneously
It is squeezed out from another end opening of the charging line；
The heating device is for generating the intracorporal resin material of chamber described in heat, and the temperature measuring equipment is for measuring
The temperature of the intracorporal resin material of chamber；
The wire feed pipeline, which is internally provided with, wears filametntary silk material cavity, and the wire feed pipeline is rotatably connected on described send
On pipe material, it can be rotated around the axis of the charging line, the wire feed pipeline can not move up and down；The wire feed pipeline
Outlet end is located at the outlet end of the charging line, so that the resin material squeezed out is covered on and is pierced by inside the wire feed pipeline
Fiber filament on；
The power device is for driving the wire feed pipeline to rotate.
As advanced optimizing for the technical program, a kind of continuous fiber reinforced composite materials 3D printing spray head of the invention institute
It states wire feed pipeline to be made of vertical pipeline and tilted tube, the vertical pipeline is connected to tilted tube and organizes l-shaped, described perpendicular
Angle between straight pipeline and tilted tube is greater than 90 ° and less than 180 °.
As advanced optimizing for the technical program, a kind of continuous fiber reinforced composite materials 3D printing spray head of the invention institute
State that tilted tube is conical pipe and outlet end is the small one end in aperture.
As advanced optimizing for the technical program, a kind of continuous fiber reinforced composite materials 3D printing spray head of the invention institute
The outlet end that tilted tube is located at the charging line is stated, so that the resin material squeezed out is covered on inside the tilted tube
On the fiber filament being pierced by；The straightway of fiber filament and the track printed in the tilted tube is in the same plane,
The tangent line of fiber filament and the segmental arc of the track printed in the tilted tube is in the same plane.
As advanced optimizing for the technical program, a kind of continuous fiber reinforced composite materials 3D printing spray head of the invention institute
The extruding end that heating device is fixedly connected on the charging line is stated, and is located above the extruding end of charging line.
As advanced optimizing for the technical program, a kind of continuous fiber reinforced composite materials 3D printing spray head of the invention institute
It states charging line to be made of leakproof plug and charging line ontology, the leakproof plug is made of big end and small end, the leakproof
Plug is structure as a whole, and the leakproof plug is internally provided with the pipeline I through the leakproof plug；The charging line sheet
Body is internally provided with lower chamber and upper cavity, and the lower chamber is connected to upper cavity, and the diameter of the lower chamber is less than described
The diameter of upper cavity；The small end of the leakproof plug is threaded in the upper cavity of the charging line ontology.
As advanced optimizing for the technical program, a kind of continuous fiber reinforced composite materials 3D printing spray head of the invention institute
The lower surface for stating small end is fitted tightly on the bottom surface of the upper cavity.
As advanced optimizing for the technical program, a kind of continuous fiber reinforced composite materials 3D printing spray head of the invention institute
Stating charging line further includes brass billet, and the annular groove for placing the brass billet, the brass billet interference are provided on the small end
It is cooperatively connected in the annular groove, the lower anchor ring of the brass billet is embedded into the charging line ontology, the brass billet
Internal diameter be greater than the diameter of the lower chamber, the outer diameter of the brass billet is less than the diameter of the upper cavity.
A kind of continuous fiber reinforced composite materials printer is sprayed including above-mentioned continuous fiber reinforced composite materials 3D printing
Head.
As advanced optimizing for the technical program, a kind of continuous fiber reinforced composite materials printer of the present invention further includes
For cutting filametntary shear.
A kind of continuous fiber reinforced composite materials 3D printing spray head and printer have the beneficial effect that
1. fiber filament is located at the outer end in wire feed pipeline and being located at charging line, it can fundamentally prevent fiber silk plug
The phenomenon that printing head plug is caused in charging line.
2. charging line uses special structure, the resin material that melting can be effectively prevented overflows from charging line arrival end
Out the phenomenon that.
Detailed description of the invention
The present invention will be further described in detail with specific implementation method with reference to the accompanying drawing.
Fig. 1 is a kind of structural schematic diagram of continuous fiber reinforced composite materials 3D printing spray head of the present invention.
Fig. 2 is the structural schematic diagram of charging line of the present invention.
Fig. 3 is the structural schematic diagram of charging line ontology in charging line of the present invention.
Fig. 4 is the structural schematic diagram of leakproof plug in charging line of the present invention.
Fig. 5 is another structural schematic diagram of charging line of the present invention.
Fig. 6 is the partial enlarged view in Fig. 5.
In figure: leakproof plug 11；Pipeline I 111；Big end 112；Small end 113；Lower surface 114；Charging line ontology 12；Under
Cavity 121；Upper cavity 122；Bottom surface 123；Brass billet 13.
Specific embodiment
Specific embodiment 1:
Illustrate present embodiment below with reference to Fig. 1-6, the invention belongs to material increasing fields, more specifically, being related to one
Kind continuous fiber reinforced composite materials 3D printing spray head, by the feeding of wire squeeze device, heating device, temperature measuring equipment, both ends open
Pipeline, wire feed pipeline and power device composition, can effectively prevent the phenomenon that fiber filament blocks spray head；Further, it is also possible to prevent
The resin material of melting overflows.
The charging line is internally provided with the cavity for accommodating resin material, the cavity and the charging line both ends
Open communication；Charging line can use cylindrical pipe, and the internal cavity being arranged is coaxial, the upper end of charging line
It is opening with lower end, enters for resin material and squeeze out.
In the feeding open at one end cavity that the wire squeeze device is used to resin material passing through the charging line simultaneously
It is squeezed out from another end opening of the charging line；Wire squeeze device can be using current existing fused glass pellet 3D printer
In wire squeeze device, purpose is for will similar line as the wire squeeze device in fused glass pellet 3D printer
The resin material of material, which is sent constantly into charging line and generates thrust, squeezes out the resin of melting from the outlet of charging line.
The heating device is for generating the intracorporal resin material of chamber described in heat, and the temperature measuring equipment is for measuring
The temperature of the intracorporal resin material of chamber；Heating device can use all kinds of devices that can generate heat, such as heater strip,
Heating rod etc., purpose are exactly to generate heat and by the intracorporal resinous wood of chamber of intermetallic heat transmitting heating charging line
Material, so that resin material melts.Heating device can directly be selected existing in the market, and when selection needs in view of power and its
Volume size.Temperature measuring equipment can use existing all kinds of temperature measuring equipments, such as thermistor in the market, but need to consider it
Precision, preferably in 1 degrees centigrade, and maximum temperature should can achieve 300 degrees centigrades.Temperature measuring equipment is for measuring
The temperature of heating device simultaneously passes to control system, and usually temperature measuring equipment and heating device are each attached on one block of metal block,
The metal block is wrapped in the part that charging line needs to heat.Resin in charging line is estimated by measurement heating device temperature
The temperature of material, it will usually have certain temperature difference, but not influence to use.
The wire feed pipeline, which is internally provided with, wears filametntary silk material cavity, fiber filament can be allowed to pass through out of it, wire feed
Pipeline can be a metallic conduit.The wire feed pipeline is rotatably connected on the charging line, can surround the feed pipe
The axis in road rotates, and the wire feed pipeline can not move up and down；Wire feed pipeline around charging line axis rotation with guarantee from
The fiber filament being pierced by inside it is always positioned at the outlet end of charging line direction of advance.Wire feed pipeline can not be moved up and down to guarantee
The outlet end of wire feed pipeline is located at the outlet end of the charging line, so that the resin material squeezed out is covered on from the wire-feeding pipe
On the fiber filament being pierced by inside road；The power device is for driving the wire feed pipeline to rotate.Power device can be selected existing
The driving devices such as some steering engines, stepper motor, so that wire feed pipeline be driven to rotate around the axis of charging line.Specific transmission
Mode, which may is that, is rotatably connected to gear on charging line, the hole of fixed wire feed pipeline is provided on gear, and wire feed pipeline is fixed
On gear, gear is coaxial with charging line, and gear is sequentially connected by other transmission gears and driving device.It is described to squeeze
Silk device, heating device, temperature measuring equipment and power device control its working condition by control system, and control system can use
Existing development board, such as mega2560 development board.
Specific embodiment 2:
Illustrate present embodiment below with reference to Fig. 1-6, present embodiment is described further embodiment one, described to send
Fiber tube road is made of vertical pipeline and tilted tube, and the vertical pipeline is connected to tilted tube and organizes l-shaped, the vertical pipe
Angle between road and tilted tube is greater than 90 ° and less than 180 °.Vertical pipeline and tilted tube can be integral structure or
The two is formed by fixedly connecting, and the axis of vertical pipeline and the axis of charging line are parallel.Outlet of the tilted tube to charging line
Inclination, so that tilted tube will not be interfered with the object or workbench printed.
Specific embodiment 3:
Illustrate present embodiment below with reference to Fig. 1-6, present embodiment is described further embodiment two, described to incline
Inclined tube road is conical pipe and outlet end is the small one end in aperture, so that tilted tube will not be with the object or work that have printed
It is interfered as platform.
Specific embodiment 4:
Illustrate present embodiment below with reference to Fig. 1-6, present embodiment is described further embodiment three, described to incline
Inclined tube road is located at the outlet end of the charging line, so that the resin material squeezed out is covered on and is pierced by inside the tilted tube
Fiber filament on；The straightway of fiber filament and the track printed in the tilted tube is in the same plane, described
The tangent line of fiber filament and the segmental arc of the track printed in tilted tube is in the same plane.It is equivalent to tilted tube
The filametntary track of outlet end and the track of the resin material of wire feed pipe outlet are consistent, so that resin material
It is covered on fiber filament, fibrous material is clipped between two layers of resin material and forms fibrous composite, improves resin material
Mechanical property.
Specific embodiment 5:
Illustrate that present embodiment, present embodiment are described further embodiment four below with reference to Fig. 1-6, it is described to add
Thermal is fixedly connected on the extruding end of the charging line, and is located above the extruding end of charging line.Heating device can be with
It is fixed on charging line by metal block, can be metal block and be fixed on charging line, and heating device is fixed on metal
On block.The heat that heating device generates can pass to the resin material in charging line by the heat transfer of metal material,
So that the temperature of resin material rises.The extruding end that heating device is fixedly connected on the charging line can faster heat needs
The resin material of heating does not need the resin material of heating without heating.Resin material positioned at charging line lower end needs to add
Can be just extruded after heat, and be located at charging line upper end resin material be not required to it is to be heated.Such setting can be with
It effectively prevent resin material to overflow from charging line upper end, prevents from causing wire squeeze difficult.
Specific embodiment 6:
Illustrate present embodiment below with reference to Fig. 1-6, present embodiment is described further embodiment one, described to send
Pipe material is made of leakproof plug 11 and charging line ontology 12, and the leakproof plug 11 is made of big end 112 and small end 113,
The leakproof plug 11 is structure as a whole, and the leakproof plug 11 is internally provided with the pipeline I through the leakproof plug 11
111；The charging line ontology 12 is internally provided with lower chamber 121 and upper cavity 122, the lower chamber 121 and upper cavity
122 connections, the diameter of the lower chamber 121 are less than the diameter of the upper cavity 122；113 spiral shell of small end of the leakproof plug 11
Line is connected in the upper cavity 122 of the charging line ontology 12.When leakproof plug 11 is threaded in charging line ontology 12
When interior, pipeline I 111 is connected to lower chamber 121, and resin material is entered from the entrance of pipeline I 111 and from lower chamber 121
Outlet squeeze out.The diameter of pipeline I 111 is less than the diameter of lower chamber 121, and wall a part of small end 113 is fitted in epicoele
On the lower end surface of body 122, a part is exposed at 121 upper end of lower chamber, so that the resin material of fusing is not easy from leakproof plug
It is overflowed in 11 gaps being connect with charging line ontology 12.
Specific embodiment 7:
Illustrate that present embodiment, present embodiment are described further embodiment six below with reference to Fig. 1-6, it is described small
The lower surface 114 at end 113 is fitted tightly on the bottom surface 123 of the upper cavity 122, so that the resin material of fusing will not be from
It overflows in gap between lower surface 114 and bottom surface 123.
Specific embodiment 8:
Illustrate present embodiment below with reference to Fig. 1-6, present embodiment is described further embodiment six, described to send
Pipe material further includes brass billet 13, and the annular groove for placing the brass billet 13, the brass billet 13 are provided on the small end 113
Interference fit is connected in the annular groove, and the lower anchor ring of the brass billet 13 is embedded into the charging line ontology 12, institute
The internal diameter for stating brass billet 13 is greater than the diameter of the lower chamber 121, and the outer diameter of the brass billet 13 is less than the upper cavity 122
Diameter.Brass billet 13 forms blocker ring together between lower surface 114 and bottom surface 123, is equivalent to so that lower surface 114 and bottom
There is no gap between face 123, the resin material of melting can not overflow in the gap between lower surface 114 and bottom surface 123 again.
Specific embodiment 9:
Illustrate present embodiment below with reference to Fig. 1-6, a kind of continuous fiber reinforced composite materials printer, including above-mentioned
Continuous fiber reinforced composite materials 3D printing spray head described in one embodiment.
Specific embodiment 10:
Illustrate that present embodiment, present embodiment are described further embodiment nine below with reference to Fig. 1-6, the company
Continuous fibre reinforced composites printer further includes for cutting filametntary shear, and shear is for cutting fiber
Silk.Shear can be scissors etc..
Working principle: control system control heating devices heat generates heat and controls the heating of temperature measuring equipment real-time measurement simultaneously
The temperature of device simultaneously passes to control system.Control system controls the temperature of heating device within the scope of certain temperature, such as
The temperature of resin material required heat to.The heat that heating device generates can pass to resinous wood by intermetallic heat transfer
Material, so that the temperature of resin material rises and reaches the temperature of need of work.When resin material reaches the temperature of need of work,
Control system can control wire squeeze device and be sent into resin material into charging line, when the intracorporal resin material of the chamber of charging line
More and more, under the extruding of pressure, the resin material of melting can squeeze out from the outlet end of charging line and be covered on fiber filament
Surface.Fiber filament can be directly sent to the outlet end of charging line by wire feed pipeline, so that the resin material squeezed out begins
It is covered on filametntary surface eventually.Charging line can move under the driving of the motion platform of printer, need to control at this time
System changes the direction of wire feed pipeline according to the motion profile of charging line, so that filametntary track and wire feed pipe outlet
The track of resin material be consistent, filametntary surface is covered on always to meet the resin material squeezed out, to be formed
Fibrous composite.Control system control power device is to change the position of wire feed pipeline.
The displacement in three directions of printer that has been only more of the continuous fiber reinforced composite materials printer course of work, continuously
Fibre reinforced composites printer can make continuous fiber reinforced composite materials 3D printing spray head constantly exist according to print track
It is moved in two-dimensional surface, to form track.After the completion of single layer printing, it is also necessary to change continuous fiber reinforced composite materials 3D
The distance between printing head and printing plane are to continue to print next layer.After the completion of article finally prints, need to cut fibre
Tie up silk.
Certainly, above description is not limitation of the present invention, and 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 within the essential scope of the present invention also belong to guarantor of the invention
Protect range.
Claims (10)
1. a kind of continuous fiber reinforced composite materials 3D printing spray head, the continuous fiber reinforced composite materials 3D printing spray head is by squeezing
Silk device, heating device, temperature measuring equipment, the charging line of both ends open, wire feed pipeline and power device composition, the feed pipe
Road is internally provided with the cavity for accommodating resin material, and the open communication of the cavity and the charging line both ends is described to add
For thermal for generating the intracorporal resin material of chamber described in heat, the wire feed pipeline, which is internally provided with, wears filametntary silk
Material cavity, it is characterised in that:
In the feeding open at one end cavity that the wire squeeze device is used to resin material passing through the charging line and from institute
Another end opening for stating charging line squeezes out；
The temperature measuring equipment is used to measure the temperature of the intracorporal resin material of the chamber；
The wire feed pipeline is rotatably connected on the charging line, can be rotated around the axis of the charging line, described to send
Fiber tube road can not move up and down；The outlet end of the wire feed pipeline is located at the outlet end of the charging line, so that the tree squeezed out
Rouge material is covered on the fiber filament being pierced by inside the wire feed pipeline；
The power device is for driving the wire feed pipeline to rotate.
2. a kind of continuous fiber reinforced composite materials 3D printing spray head according to claim 1, it is characterised in that: described to send
Fiber tube road is made of vertical pipeline and tilted tube, and the vertical pipeline is connected to tilted tube and organizes l-shaped, the vertical pipe
Angle between road and tilted tube is greater than 90 ° and less than 180 °.
3. a kind of continuous fiber reinforced composite materials 3D printing spray head according to claim 2, it is characterised in that: described to incline
Inclined tube road is conical pipe and outlet end is the small one end in aperture.
4. a kind of continuous fiber reinforced composite materials 3D printing spray head according to claim 3, it is characterised in that: described to incline
Inclined tube road is located at the outlet end of the charging line, so that the resin material squeezed out is covered on and is pierced by inside the tilted tube
Fiber filament on；The straightway of fiber filament and the track printed in the tilted tube is in the same plane, described
The tangent line of fiber filament and the segmental arc of the track printed in tilted tube is in the same plane.
5. a kind of continuous fiber reinforced composite materials 3D printing spray head according to claim 1, it is characterised in that: described to add
Thermal is fixedly connected on the extruding end of the charging line, and is located above the extruding end of charging line.
6. a kind of continuous fiber reinforced composite materials 3D printing spray head according to claim 1, it is characterised in that: described to send
Pipe material is made of leakproof plug (11) and charging line ontology (12), and the leakproof plug (11) is by big end (112) and small end
(113) it forms, the leakproof plug (11) is structure as a whole, and the leakproof plug (11) is internally provided with through the leakproof
The pipeline I (111) of plug (11)；The charging line ontology (12) is internally provided with lower chamber (121) and upper cavity
(122), the lower chamber (121) is connected to upper cavity (122), and the diameter of the lower chamber (121) is less than the upper cavity
(122) diameter；The small end (113) of the leakproof plug (11) is threaded in the upper cavity of the charging line ontology (12)
(122) in.
7. a kind of continuous fiber reinforced composite materials 3D printing spray head according to claim 6, it is characterised in that: described small
The lower surface (114) at end (113) is fitted tightly on the bottom surface (123) of the upper cavity (122).
8. a kind of continuous fiber reinforced composite materials 3D printing spray head according to claim 6, it is characterised in that: described to send
Pipe material further includes brass billet (13), and the annular groove for placing the brass billet (13), the Huang are provided on the small end (113)
Copper ring (13) interference fit is connected in the annular groove, and the lower anchor ring of the brass billet (13) is embedded into the charging line sheet
In body (12), the internal diameter of the brass billet (13) is greater than the diameter of the lower chamber (121), and the outer diameter of the brass billet (13) is small
Diameter in the upper cavity (122).
9. a kind of continuous fiber reinforced composite materials printer, including such as continuous fiber described in any item of the claim 1 to 8
Enhance composite material 3D printing spray head.
10. a kind of continuous fiber reinforced composite materials printer according to claim 9, it is characterised in that: described continuous
Fibre reinforced composites printer further includes for cutting filametntary shear.
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| CN109397692B (en) * | 2018-11-21 | 2024-06-18 | 源秩科技（上海）有限公司 | Fiber-reinforced multi-nozzle parallel printing device and printing method |
| CN113147024A (en) * | 2021-04-16 | 2021-07-23 | 固纤(苏州)智能科技有限公司 | Spray head device with real-time shearing and feedback pressing functions for printing continuous fibers |
| CN115214129A (en) * | 2022-07-01 | 2022-10-21 | 四川大学 | Continuous fiber reinforced composite 3D printing head and printer |
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| CN105437544A (en) * | 2014-09-18 | 2016-03-30 | 波音公司 | Extruded deposition of fiber reinforced polymers |
| WO2017124085A1 (en) * | 2016-01-15 | 2017-07-20 | Markforged, Inc. | Continuous and random reinforcement in a 3d printed part |
| CN107139459A (en) * | 2017-07-19 | 2017-09-08 | 华明进 | Continuous fiber reinforced composite materials increasing material manufacturing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437544A (en) * | 2014-09-18 | 2016-03-30 | 波音公司 | Extruded deposition of fiber reinforced polymers |
| WO2017124085A1 (en) * | 2016-01-15 | 2017-07-20 | Markforged, Inc. | Continuous and random reinforcement in a 3d printed part |
| CN107139459A (en) * | 2017-07-19 | 2017-09-08 | 华明进 | Continuous fiber reinforced composite materials increasing material manufacturing device |
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Effective date of registration: 20200720 Address after: Harbin Kuncheng Technology Co., Ltd Patentee after: Harbin Kuncheng Technology Co., Ltd Address before: Xinghua City, Jiangsu province 225723 Taizhou city of East China Zhang Guo Zhen Hua Zhuang village four groups Patentee before: Hua Mingjin |
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