CN110193930A - A kind of fusion sediment print head and its application method that powder is compound in real time - Google Patents
A kind of fusion sediment print head and its application method that powder is compound in real time Download PDFInfo
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- CN110193930A CN110193930A CN201910378469.1A CN201910378469A CN110193930A CN 110193930 A CN110193930 A CN 110193930A CN 201910378469 A CN201910378469 A CN 201910378469A CN 110193930 A CN110193930 A CN 110193930A
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- Prior art keywords
- print head
- melt chamber
- powder
- real time
- fusion sediment
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Classifications
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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]
-
- 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
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Materials For Medical Uses (AREA)
Abstract
A kind of fusion sediment print head and its application method that powder is compound in real time, fusion sediment print head includes the melt chamber inside heat transfer block, double thread push rod is equipped in melt chamber, it is corresponding with the Material cladding area entrance of ceramic heater below double thread push rod, Material cladding area is heated by ceramic heater, the outlet of Material cladding area is connected with print head；Cast copper heat block is fixed with outside heat transfer block, the side of the melt chamber of heat transfer block is connected at least one feeding-passage, and feeding-passage is equipped with one-way control valve, and melt chamber is connected by one-way control valve with material depot, and each material depot is equipped with a material and quantifies feeder；Application method is to realize more Material cladding printings by material depot and double thread push rod；And it can realize that the real-time quantitative of material to be composite supplies according to functional analysis as a result, quantify feeder and one-way control valve by material, obtain adapting to actually required, each part material forms different products, meets the multifarious demand of mechanics.
Description
Technical field
The present invention relates to 3D printing technique fields, and in particular to a kind of powder fusion sediment print head compound in real time and its
Application method.
Background technique
In recent years, with the development of science and technology, production practices are for the performance of product, more stringent requirements are proposed, especially exists
Aerospace and medical industries, the product of single homogeneous material have been difficult to meet work requirements complicated and changeable.Therefore, function
The manufacture of functionally gradient material (FGM) receives significant attention and payes attention to.Functionally graded material, that is, material ingredient is not uniform, but root
It according to needs, is changed on product, so that the performance and function of product material also show a kind of variation.3D printing technique by
In the superiority of its manufacturing theory, there are very big potentiality in manufacture functionally graded material.Fusion sediment shapes (Fused
Deposition Modeling, FDM) be using most extensively, one of most mature 3D printing technique of development, however existing FDM
There are still some problems for functionally gradient material (FGM) printing technique.
The technique of material proportion Composition Control and immature, the 3D printing for multicomponent material, prior art are at present
A variety of materials are carried out in advance compound, manufactures into silk, then carry out melt molding 3D printing.Such mode can not be in print procedure
The feeding degree of real-time control different materials, can not manufacture functionally gradient material (FGM), it is clear that be difficult to meet the part function under complex environment
It is required that.
Existing more Material cladding print heads, do not account for the variation of fusing point after Material cladding, can not guarantee well
Feeding quietly lasting in print procedure, it is also difficult to guarantee the real-time monitoring of different materials and be sufficiently mixed.
Summary of the invention
In order to overcome the disadvantages of the above prior art, the present invention is in proposing a kind of fusion sediment printing compound in real time of powder
Head and its application method can guarantee the real-time monitoring of different materials and be sufficiently mixed, can manufacture functionally gradient material (FGM), can satisfy
Part function requirement under complex environment.
In order to achieve the above object, the present invention adopts the following technical scheme that:
A kind of powder fusion sediment print head compound in real time is set in melt chamber 1 including the melt chamber 1 inside heat transfer block 2
There is double thread push rod 10,10 lower section of double thread push rod is corresponding with 4 entrance of Material cladding area of ceramic heater 6, by ceramic heat
Device 6 heats Material cladding area 4, and the outlet of Material cladding area 4 is connected with print head 5；
Cast copper heat block 9 is fixed with outside heat transfer block 2, it is logical that the side of the melt chamber 1 of heat transfer block 2 is connected at least one charging
Road 12, feeding-passage 12 are equipped with one-way control valve 7, and melt chamber 1 is connected by one-way control valve 7 and material depot 8, each material
Library 8 is equipped with a material and quantifies feeder 3.
The one-way control valve 7 includes valve body 13, and a upper side of valve body 13 is equipped with feeding-passage A1, valve body 13 it is another
One side-lower is equipped with tapping channel B1, realizes that feeding-passage A1 and discharging are logical by being equipped with block 11 and spring 14 in valve body 13
The connection of road B1.
It includes shell 15 that the material, which quantifies feeder 3, is fitted with scraping wings 14 in shell 15, in scraping wings 14
The threaded hole of the heart is equipped with screw rod 13, and one end of screw rod 13 is stretched out outside shell 15 to be connected with stepper motor.
A kind of application method of powder fusion sediment print head compound in real time, including the following steps:
1) threedimensional model is established in a computer, and layered shaping and path data processing are carried out to the threedimensional model, and
The material composition data for determining different location is analyzed according to biological function；
2) basis material is handled, obtains pellet, powder or silk material, at the same to bioceramic, staple fiber or other
Added material is handled, and obtains powder or pellet, and the process data of current layer is sent in printing device；
3) it is heated by basis material of the cast copper heat block 9 to feed inlet, is driven by a motor and drives double thread push rod 10,
The basis material of molten state is pushed to downwards melt chamber 1；
4) according to the machining information in current hierarchical section, feeder 3 is quantified by one-way control valve 7 and material, will be added
Material is supplied to melt chamber 1 as required, completes to mix after making material melted by heating using cast copper heat block 9 and ceramic heat ring 6
It closes；
5) it is moved, is completed on X/Y plane by step motor control powder fusion sediment print head compound in real time
The processing of current cross-section；
6) base station is printed by step motor control and moves down a lift height on Z axis；
7) step 3)~step 6) is repeated, until part forming.
The invention has the benefit that
Powder of the present invention fusion sediment print head compound in real time is passed through using the integrated supply of more materials and heating mixing
The material depot 8 and double thread push rod 10 for increasing other materials realize more Material cladding printings；And it can be according to functional analysis knot
Fruit quantifies feeder 3 and one-way control valve 7 by material, the real-time quantitative supply of material to be composite is realized, to be adapted to
Actually required, each part material forms different products, meets the multifarious demand of mechanics.
Detailed description of the invention
Fig. 1 is the cross-sectional view of print head of the present invention.
Fig. 2 is the schematic diagram of one-way control valve.
Fig. 3 is the schematic diagram of material measured quantity dispensing device.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples.
Referring to Fig.1, a kind of powder fusion sediment print head compound in real time is melted including the melt chamber 1 inside heat transfer block 2
Double thread push rod 10 is equipped in body cavity 1,10 lower section of double thread push rod is corresponding with 4 entrance of Material cladding area of ceramic heater 6, by
Ceramic heater 6 heats Material cladding area 4, and the outlet of Material cladding area 4 is connected with print head 5；
It is fixed with cast copper heat block 9 outside heat transfer block 2, the side of the melt chamber 1 of heat transfer block 2 is connected to two feeding-passages
12, feeding-passage 12 is equipped with one-way control valve 7, and melt chamber 1 is connected by one-way control valve 7 and material depot 8, each material depot
8, which are equipped with a material, quantifies feeder 3.
Referring to Fig. 2, the one-way control valve 7 includes valve body 13, and a upper side of valve body 13 is equipped with feeding-passage A1, valve
It is equipped with tapping channel B1 below the other side of body 13, realizes feeding-passage A1 by being equipped with block 11 and spring 14 in valve body 13
With the connection of tapping channel B1；Powder A is entered in valve body 13 by feeding-passage A1, is led to when the pressure of feeding-passage A1 is greater than discharging
When road B1, spring 14, which is pressurized, to be shunk, so that block 11 declines, powder A enters melting zone B from tapping channel B1；If feeding-passage
A1 decompression, block 11 rise automatically under the effect of spring 14, are tightly pressed against on valve body 13, prevent backflow phenomenon；Entire valve
Body 13 and block 11 are made of heat-resisting material, to protect spring 14 and increase service life.
Referring to Fig. 3, it includes shell 15 that the material, which quantifies feeder 3, is fitted with scraping wings 14 in shell 15, pushes away
The threaded hole at 14 center of flitch is equipped with screw rod 13, and one end of screw rod 13 is stretched out outside shell 15 to be connected with stepper motor, works as stepping
When motor control screw rod 13 rotates, 14 stress of scraping wings moves right, and realizes material feeding by screw rod 13 and scraping wings 14.
A kind of application method of powder fusion sediment print head compound in real time, including the following steps:
1) threedimensional model is established in a computer, and layered shaping and path data processing are carried out to the threedimensional model, and
The material composition data for determining different location is analyzed according to biological function；
2) basis material is handled, obtains pellet, powder or silk material, at the same to bioceramic, staple fiber or other
Added material is handled, and obtains powder or pellet, and the process data of current layer is sent in machine；
3) it is heated by basis material of the cast copper heat block 9 to feed inlet, is driven by a motor and drives double thread push rod 10,
The basis material of molten state is pushed to downwards melt chamber 1；
4) according to the machining information in current hierarchical section, feeder 3 is quantified by one-way control valve 7 and material, will be added
Material is supplied to melt chamber 1 as required, completes to mix after making material melted by heating using cast copper heat block 9 and ceramic heat ring 6
It closes；
5) it is moved, is completed on X/Y plane by step motor control powder fusion sediment print head compound in real time
The processing of current cross-section；
6) base station is printed by step motor control and moves down a lift height on Z axis；
7) step 3)~step 6) is repeated, until part forming.
Claims (4)
1. a kind of powder fusion sediment print head compound in real time, it is characterised in that: including the internal melt chamber of heat transfer block (2)
(1), double thread push rod (10) are equipped in melt chamber (1), the Material cladding of double thread push rod (10) lower section and ceramic heater (6)
Area's (4) entrance is corresponding, is heated by ceramic heater (6) to Material cladding area (4), and Material cladding area (4) outlet is connected with
Print head (5)；
Be fixed with cast copper heat block (9) outside heat transfer block (2), the side of the melt chamber (1) of heat transfer block (2) be connected at least one into
Expect channel (12), feeding-passage (12) is equipped with one-way control valve (7), and melt chamber (1) passes through one-way control valve (7) and material depot
(8) it connects, each material depot (8) is equipped with a material and quantifies feeder (3).
2. a kind of powder according to claim 1 fusion sediment print head compound in real time, it is characterised in that: the list
It include valve body (13) to control valve (7), a upper side of valve body (13) is equipped with feeding-passage (A1), under the other side of valve body (13)
Side is equipped with tapping channel (B1), by being equipped with block (11) and spring (14) realization feeding-passage (A1) in valve body (13) and going out
Expect the connection of channel (B1).
3. a kind of powder according to claim 1 fusion sediment print head compound in real time, it is characterised in that: the material
Materials quantitative feeder (3) includes shell (15), is fitted with scraping wings (14) in shell (15), the spiral shell at scraping wings (14) center
Pit is equipped with screw rod (13), and one end of screw rod (13) is stretched out shell (15) and connected outside with stepper motor.
4. a kind of application method of powder according to claim 1 fusion sediment print head compound in real time, feature exist
In, including the following steps:
1) threedimensional model is established in a computer, and threedimensional model progress layered shaping and path data are handled, and according to
Biological function analyzes the material composition data for determining different location；
2) basis material is handled, obtains pellet, powder or silk material, while to bioceramic, staple fiber or other additions
Material is handled, and obtains powder or pellet, and the process data of current layer is sent in printing device；
3) basis material of feed inlet is heated by cast copper heat block (9), is driven by a motor and drives double thread push rod (10),
The basis material of molten state is pushed to downwards melt chamber (1)；
4) according to the machining information in current hierarchical section, feeder (3) is quantified by one-way control valve (7) and material, will be added
Material is supplied to melt chamber (1) as required, after making material melted by heating using cast copper heat block (9) and ceramic heat ring (6)
Complete mixing；
5) it is moved, is completed current on X/Y plane by step motor control powder fusion sediment print head compound in real time
The processing in section；
6) base station is printed by step motor control and moves down a lift height on Z axis；
7) step 3)~step 6) is repeated, until part forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910378469.1A CN110193930A (en) | 2019-05-08 | 2019-05-08 | A kind of fusion sediment print head and its application method that powder is compound in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910378469.1A CN110193930A (en) | 2019-05-08 | 2019-05-08 | A kind of fusion sediment print head and its application method that powder is compound in real time |
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| Publication Number | Publication Date |
|---|---|
| CN110193930A true CN110193930A (en) | 2019-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910378469.1A Pending CN110193930A (en) | 2019-05-08 | 2019-05-08 | A kind of fusion sediment print head and its application method that powder is compound in real time |
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| CN (1) | CN110193930A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112976567A (en) * | 2021-04-22 | 2021-06-18 | 西安交通大学 | Multifunctional additive manufacturing device and method for hollow filling composite material wire |
| CN114603845A (en) * | 2022-03-07 | 2022-06-10 | 西安交通大学 | Online polarization 3D printing head made of piezoelectric ceramic/polymer composite material |
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| CN205075358U (en) * | 2015-10-29 | 2016-03-09 | 青岛三易三维技术有限公司 | From colored 3D print system of extruding FDM formula |
| CN106626370A (en) * | 2017-02-19 | 2017-05-10 | 荆门米丰信息科技有限公司 | High-precision three-dimensional color printer and forming method thereof |
| CN106863774A (en) * | 2017-04-12 | 2017-06-20 | 武汉科技大学 | A kind of colour mixture prints miniature extrusion shower nozzle |
| EP3216583A1 (en) * | 2016-03-11 | 2017-09-13 | Reifenhäuser GmbH & Co. KG Maschinenfabrik | Coextrusion adapter |
| CN207697054U (en) * | 2017-12-30 | 2018-08-07 | 广州市杉迪立体科技有限公司 | A kind of efficient 3D printing pen |
-
2019
- 2019-05-08 CN CN201910378469.1A patent/CN110193930A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205075358U (en) * | 2015-10-29 | 2016-03-09 | 青岛三易三维技术有限公司 | From colored 3D print system of extruding FDM formula |
| EP3216583A1 (en) * | 2016-03-11 | 2017-09-13 | Reifenhäuser GmbH & Co. KG Maschinenfabrik | Coextrusion adapter |
| CN106626370A (en) * | 2017-02-19 | 2017-05-10 | 荆门米丰信息科技有限公司 | High-precision three-dimensional color printer and forming method thereof |
| CN106863774A (en) * | 2017-04-12 | 2017-06-20 | 武汉科技大学 | A kind of colour mixture prints miniature extrusion shower nozzle |
| CN207697054U (en) * | 2017-12-30 | 2018-08-07 | 广州市杉迪立体科技有限公司 | A kind of efficient 3D printing pen |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112976567A (en) * | 2021-04-22 | 2021-06-18 | 西安交通大学 | Multifunctional additive manufacturing device and method for hollow filling composite material wire |
| CN112976567B (en) * | 2021-04-22 | 2021-12-28 | 西安交通大学 | Multifunctional additive manufacturing device and method for hollow filling composite material wire |
| CN114603845A (en) * | 2022-03-07 | 2022-06-10 | 西安交通大学 | Online polarization 3D printing head made of piezoelectric ceramic/polymer composite material |
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