CN108381924A - A kind of 3D printing nozzle for Biocomposite material - Google Patents
A kind of 3D printing nozzle for Biocomposite material Download PDFInfo
- Publication number
- CN108381924A CN108381924A CN201810177518.0A CN201810177518A CN108381924A CN 108381924 A CN108381924 A CN 108381924A CN 201810177518 A CN201810177518 A CN 201810177518A CN 108381924 A CN108381924 A CN 108381924A
- Authority
- CN
- China
- Prior art keywords
- extruder head
- heating mantle
- feeding
- mixing
- coaxial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/001—Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
-
- 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
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Ceramic Engineering (AREA)
Abstract
A kind of printing head for Biocomposite material 3D printing, including push rod, coaxial heating mantle, wire-feeding pipe, thermocouple mix extruder head, powder feeding pipe, electric heating tube；Mixing extruder head is connected through a screw thread with coaxial heating mantle, and push rod is equipped with degradable polymer in the feeding intracavitary hole of coaxial heating mantle in feeding intracavitary hole, electric heating tube there are three dresses in coaxial heating mantle.Mixing dress on extruder head, there are three powder feeding pipe and a wire-feeding pipe, the outer wall for mixing extruder head is equipped with thermocouple.The nozzle can make by the 3D printing part of the degradable polymer biological ceramic composite material of continuous lod, mechanical performance, the synosteosis power of printout can effectively be improved, the degradation speed of printout can be controlled, the risk of aseptic inflammation can be reduced.
Description
Technical field
The present invention relates to 3D printing technique fields, and in particular to a kind of printing for Biocomposite material 3D printing is sprayed
Head.
Background technology
3D printing technique is also known as increases material manufacturing technology, rapid shaping technique etc., is that one kind is directly driven by three-dimensional CAD model
It is dynamic, by successively accumulating, quickly manufacture the general name of the technology of the three dimensional physical entity of arbitrarily complicated shape, industry, medical treatment,
The application that the multiple fields such as building, art are succeeded.In medical domain, 3D printing technique can be that patient is quick because having
" making to measure " goes out the ability of personalized substitute, brace etc., therefore has obtained more and more applications in medical domain.
In terms of organizational project, degradable polymer is a kind of very important material, can be absorbed, is degraded in vivo
The problem of characteristic can also need second operation to take out to avoid non-degradable materials such as metal, nylon.And the side for passing through 3D printing
Formula can prepare the tissue engineering bracket that complex-shaped, micro-structure is controllable, degradable.But single degradable polymeric material
Also deposit that aseptic inflammation, degradation speed caused by acid degradation object are fast, synosteosis power is weak, mechanical strength is poor etc. no
Foot.By degradable polymerization mixed with materials such as Ca-P ceramics can pH value decline caused by compensatory polymer degradation, can control
Degradation speed processed and improvement synosteosis power, and mechanical strength can be improved.If further taking the mode of continuous lod,
Mechanical strength can then be further increased.
In order to realize the requirement of above-mentioned more materials while printing by way of 3D printing, need to print molten state simultaneously
Degradable polymer, ceramic powder particle, solid fabric three kinds of different form materials, and current 3D printing equipment is beaten
Print head prints while can't realizing these three different shape materials.
Invention content
The purpose of the present invention is to provide a kind of 3D printings for Biocomposite material, are increased by continuous fiber for printing
The implantation materials such as strong tissue engineering bracket, the artificial prosthesis of degradable polymer-biological ceramic composite material.
To achieve the goals above, the present invention adopts the following technical scheme that.
A kind of 3D printing nozzle for Biocomposite material, including：Push rod 1, coaxial heating mantle 2, wire-feeding pipe 4, thermoelectricity
Even 5, mixing extruder head 6, powder feeding pipe 7, electric heating tube 10.The mixing extruder head 6 of the nozzle passes through screw thread with coaxial heating mantle 2
Connection, push rod 1 have degradable polymer 9 in the feeding intracavitary hole 201 of coaxial heating mantle 2 in feeding intracavitary hole 201.Together
There are three electric heating tubes 10, electric heating tube 10 to be spaced 120 degree in coaxial heating mantle 2 and be uniformly distributed for dress in axis heating mantle 2.Mixing
There are three the wire-feeding pipes 4 of powder feeding pipe 7 and a conveying long fibre 3 for conveying biological ceramic powder 8 for dress on extruder head 6.It is sending
Fiber tube 4 separately connects plastics guide pipe in powder feeding pipe 7 according to the placement location of silk material and ceramic material on 3D printer.Mixing is squeezed
Lift one's head 6 outer wall be equipped with thermocouple 5.
In feeding intracavitary hole 201 of the bar portion of the push rod 1 loaded on coaxial heating mantle 2,1 bar portion outer diameter of push rod and feeding chamber
Endoporus 201 is clearance fit, ranging from 0.03 ~ 0.04mm of fit clearance.Mix the mixing extruder head charging on 6 top of extruder head
Hole 601 is identical as feeding intracavitary 201 diameters of hole of coaxial heating mantle 2.Mix the axis and wire-feeding pipe of the spout 604 of extruder head 6
Hole 602, powder feeding pore 605 the angle of axis be 60 degree.Spout 604 it is a diameter of：The diameter of long fibre 3 adds 0.5mm, 3D
It needs to select corresponding mixing extruder head 6 according to the diameter of selected enhancing long fibre 3 before printing.The outer diameter of electric heating tube 10 and electricity
The internal diameter of heating tube mounting hole 202 is clearance fit, ranging from 0.05 ~ 0.1mm of fit clearance.
Beneficial effects of the present invention are：A kind of 3D printing nozzle for Biocomposite material can make by continuous
The tissue engineering bracket and bone substitute of fibre-reinforced degradable polymer-biological ceramic composite material, can pass through control
The ratio of degradable polymer and bioceramic realizes the printout with graded, can effectively improve the machine of printout
Tool performance, synosteosis power, can control the degradation speed of printout, can reduce the risk of aseptic inflammation, to personalized high
The quick preparation of the degradable implants of performance has important meaning.
Description of the drawings
Fig. 1 is the three-dimensional shaft side structure schematic diagram of apparatus of the present invention.
Fig. 2 is the sectional view of apparatus of the present invention.
Fig. 3 is coaxial heating mantle 2 and the sectional view for the assembly for mixing extruder head 6 in apparatus of the present invention.
1. push rods, 2. coaxial heating mantles, 3. long fibres, 4. wire-feeding pipes, 5. thermocouples, 6. mixing extruder heads, 7. are sent in figure
Tube cell, 8. biological ceramic powders, 9. degradable polymers, 10. electric heating tubes, 201. feeding intracavitary holes, 202. electric heating tubes peace
Fill hole, 601 mixing extruder head feed openings, 602. wire feed pores, 603. material mix apertures, 604. spouts, 605. powder feeding pores.
Specific implementation mode
In invention for ease of description, the description of the relative position relation of device is the cloth according to Figure of description 2
Office mode is described, such as：The position relationship of up, down, left, right, before and after, inside and outside etc. is according to Figure of description 2
Direction is laid out to determine.
With reference to embodiment and attached drawing, the present invention is described in further detail.
Embodiment, reference attached drawing 1 and attached drawing 2, a kind of 3D printing nozzle for Biocomposite material, including：Push rod 1,
Coaxial heating mantle 2, wire-feeding pipe 4, thermocouple 5, mixing extruder head 6, powder feeding pipe 7, electric heating tube 10.The mixing of the nozzle squeezes out
First 6 are connected through a screw thread with coaxial heating mantle 2, and push rod 1 is in the feeding intracavitary hole 201 of coaxial heating mantle 2, feeding intracavitary hole
There is degradable polymer 9 in 201.There are three electric heating tubes 10 for dress in coaxial heating mantle 2, and electric heating tube 10 is in coaxial heating mantle 2
Upper 120 degree of interval is uniformly distributed.There are three the powder feeding pipe 7 and one that are used to convey biological ceramic powder 8 are defeated for dress on mixing extruder head 6
Send the wire-feeding pipe 4 of long fibre 3.According to the placement position of silk material and ceramic material on 3D printer on wire-feeding pipe 4 and powder feeding pipe 7
It sets and separately connects plastics guide pipe.The outer wall for mixing extruder head 6 is equipped with thermocouple 5.
With reference to attached drawing 1 and attached drawing 3, the bar portion of the push rod 1 of the nozzle is loaded on the feeding intracavitary hole 201 of coaxial heating mantle 2
In, 1 bar portion outer diameter of push rod is clearance fit, ranging from 0.03 ~ 0.04mm of fit clearance with feeding intracavitary hole 201.Mixing is squeezed
Lift one's head 6 tops mixing extruder head feed opening 601 it is identical as feeding intracavitary 201 diameters of hole of coaxial heating mantle 2.Mix extruder head
The axis of 6 spout 604 and the angle of wire feed pore 602, the axis of powder feeding pore 605 are 60 degree.Spout 604 it is a diameter of
The diameter of long fibre 3 adds 0.5mm, needs to select corresponding mixing to squeeze out according to the diameter of selected enhancing long fibre 3 before 3D printing
First 6.The outer diameter of electric heating tube 10 and the internal diameter of electric heating tube mounting hole 202 are clearance fit, fit clearance ranging from 0.05 ~
0.1mm。
When in use, first long fibre 3 is penetrated from wire-feeding pipe 4, and is pierced by from spout 604, by biological ceramic powder 8 by sending
Tube cell 7 is sent into material mix aperture 603, and feeding chamber is added in the particle of degradable polymer 9 from feeding intracavitary hole 201, will
Push rod 1 is put into the feeding intracavitary hole 201 of coaxial heating mantle 2.
Electrified regulation electrically heated rod 10, the temperature for mixing extruder head 6 are measured the control system for feeding back to 3D printing by thermocouple 5
System can start 3D printing when reaching setting heating temperature.By setting the pushing speed of push rod 1, the wire feed speed of long fibre 3
The pushing speed of degree, biological ceramic powder 8, you can realize that the 3D of degradable polymer-bioceramic part of continuous lod is beaten
Print.
Basic structure, main feature and the advantage of the present invention has been shown and described above.The technical staff of the industry should
Understand, embodiment of the present invention are not limited by the above embodiments, other it is any without departing from the present invention Spirit Essences with
Modification, replacement, combination, simplified, change made by under principle should be equivalent substitute mode, be all contained in protection of the invention
Within the scope of.
Claims (2)
1. a kind of 3D printing nozzle for Biocomposite material, including push rod, coaxial heating mantle, wire-feeding pipe, thermocouple, mixing
Extruder head, powder feeding pipe, electric heating tube；It is characterized in that, the mixing extruder head of the nozzle is connected with coaxial heating mantle by screw thread
It connects, for push rod in the feeding intracavitary hole of coaxial heating mantle, feeding intracavitary has degradable polymer in hole；It is filled in coaxial heating mantle
There are three electric heating tube, electric heating tube is spaced 120 degree in coaxial heating mantle and is uniformly distributed；Mixing dress on extruder head, there are three use
In the powder feeding pipe and a long stapled wire-feeding pipe of conveying of conveying biological ceramic powder；The outer wall for mixing extruder head is equipped with thermocouple.
2. a kind of 3D printing nozzle for Biocomposite material according to claim 1, which is characterized in that the push rod
Feeding intracavitary hole of the bar portion loaded on coaxial heating mantle in, the bar portion of push rod is clearance fit, fit clearance with feeding intracavitary hole
Ranging from 0.03 ~ 0.04mm；Mix the feeding intracavitary hole of mixing the extruder head feed opening and coaxial heating mantle on extruder head top
Diameter is identical；The angle for mixing the axis and wire feed pore, the axis of powder feeding pore of the spout of extruder head is 60 degree；Electrical heating
The outer diameter of pipe is clearance fit with the internal diameter of electric heating tube mounting hole, and fit clearance range is 0.05 ~ 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810177518.0A CN108381924B (en) | 2018-03-05 | 2018-03-05 | 3D printing nozzle for biological composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810177518.0A CN108381924B (en) | 2018-03-05 | 2018-03-05 | 3D printing nozzle for biological composite material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108381924A true CN108381924A (en) | 2018-08-10 |
| CN108381924B CN108381924B (en) | 2021-03-16 |
Family
ID=63069792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810177518.0A Active CN108381924B (en) | 2018-03-05 | 2018-03-05 | 3D printing nozzle for biological composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108381924B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177147A (en) * | 2018-08-31 | 2019-01-11 | 上海大学 | Comprehensive shaping system is printed using containing multi-jet Coaxial nozzle device biology CAD/CAM/3D |
| CN110667114A (en) * | 2019-10-17 | 2020-01-10 | 吉林大学 | Integrated printing device and printing method for continuous fiber embedded material |
| WO2021002765A1 (en) * | 2019-07-01 | 2021-01-07 | Vshaper Sp Z O.O. | 3d printer head |
| IT201900015297A1 (en) * | 2019-08-30 | 2021-03-02 | Moi Composites S R L | Apparatus and method for three-dimensional printing of continuous fiber composite materials |
| CN113601836A (en) * | 2021-07-22 | 2021-11-05 | 浙江大学 | Robot-assisted large-scale fiber-reinforced heterogeneous multi-material in-situ additive manufacturing system |
| WO2022179257A1 (en) * | 2021-02-23 | 2022-09-01 | 深圳先进技术研究院 | Plasma arc additive manufacturing apparatus and method |
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| WO2016083181A1 (en) * | 2014-11-27 | 2016-06-02 | Philips Lighting Holding B.V. | Printing head, printing apparatus, printing method and printed article |
| CN106965428A (en) * | 2016-05-26 | 2017-07-21 | 昆山博力迈三维打印科技有限公司 | A kind of 3D composites printer |
| CN107412876A (en) * | 2017-07-17 | 2017-12-01 | 西安知朴材料科技有限公司 | Degradable implant, its 3D manufacturing equipment and 3D printing method |
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| WO2016083181A1 (en) * | 2014-11-27 | 2016-06-02 | Philips Lighting Holding B.V. | Printing head, printing apparatus, printing method and printed article |
| CN106965428A (en) * | 2016-05-26 | 2017-07-21 | 昆山博力迈三维打印科技有限公司 | A kind of 3D composites printer |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177147A (en) * | 2018-08-31 | 2019-01-11 | 上海大学 | Comprehensive shaping system is printed using containing multi-jet Coaxial nozzle device biology CAD/CAM/3D |
| WO2021002765A1 (en) * | 2019-07-01 | 2021-01-07 | Vshaper Sp Z O.O. | 3d printer head |
| IT201900015297A1 (en) * | 2019-08-30 | 2021-03-02 | Moi Composites S R L | Apparatus and method for three-dimensional printing of continuous fiber composite materials |
| WO2021038503A1 (en) * | 2019-08-30 | 2021-03-04 | Moi Composites S.R.L. | Equipment and method for the three-dimensional printing of continuous fiber composite materials |
| CN110667114A (en) * | 2019-10-17 | 2020-01-10 | 吉林大学 | Integrated printing device and printing method for continuous fiber embedded material |
| WO2022179257A1 (en) * | 2021-02-23 | 2022-09-01 | 深圳先进技术研究院 | Plasma arc additive manufacturing apparatus and method |
| CN113601836A (en) * | 2021-07-22 | 2021-11-05 | 浙江大学 | Robot-assisted large-scale fiber-reinforced heterogeneous multi-material in-situ additive manufacturing system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108381924B (en) | 2021-03-16 |
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