CN208896509U - A kind of coaxial 3D printing equipment - Google Patents
A kind of coaxial 3D printing equipment Download PDFInfo
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- CN208896509U CN208896509U CN201821393427.2U CN201821393427U CN208896509U CN 208896509 U CN208896509 U CN 208896509U CN 201821393427 U CN201821393427 U CN 201821393427U CN 208896509 U CN208896509 U CN 208896509U
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Abstract
The utility model proposes a kind of coaxial 3D printing equipment, mainly go out muzzle, thermal insulation layer and piston cylinder including piston, internal layer heating mantle, outer layer heating mantle, cladding material channel, muff, annular airflow, cladding material channel lower end is coaxial nozzle, prints the different coaxial fuse of layer materials by coaxial nozzle.Outer layer mainly uses layer, determines Mechanical Properties of Products；The internal layer for squeezing out silk is auxiliary setting layer, prevents the outer layer annulus material section squeezed out from collapsing, and the lesser material of relative volume density or later period removable material can be used in auxiliary setting layer.Intensity can be improved in the case where weight is constant for the product of Processes and apparatus production through the invention, realize the further lightweight of 3D printing technique.The utility model can be also used for the optimization of product properties, as fire-proof product, corrosion resistant article, performance enhancement product extend the application range of 3D printing product to meet the requirement of different use conditions.
Description
Technical field
The utility model relates to 3D printing fields, and in particular to a kind of coaxial 3D printing equipment.
Background technique
3D printing technique is widely used in numerous sides such as mold manufacture, industrial design, building, household article and medical treatment
Face, the technology can print product as requested well.Realize that the light-weighted measure of 3D printing product mainly has to system at present
Product original structure optimizes or changes product horizontal direction packing ratio, not to the silk of 3D printing minimum constituent unit itself
Carry out direct organization optimization.
Existing 3D printing technique is for light-weighted counter-measure first is that reducing XY under the premise of reaching technical requirements
To save material, (product is placed in cartesian coordinate system packing ratio in plane by the discussion in the utility model, and Z-direction
For vertical direction)；During 3D printing, fused deposition is carried out usually using solid silk.
As low-carbon environment-friendly field is increasingly paid attention in market, the lightweight demand of product also increasingly significant, current 3D
Printing lightweight approach has been difficult to meet the market demand.
Utility model content
In view of the deficiencies of the prior art, the utility model proposes a kind of coaxial 3D printing equipment.The utility model one kind is same
Axis 3D printing equipment compares other 3D printing techniques in the market, and the silk with packing ratio can be stacked by way of coaxially printing
Product, from printing product internal structure itself optimize performance, according to theory mechanics analysis, this reality in the case where proof strength
Material can be further saved with new technique method.Using the principles of the present invention, original is formed using different combinations of materials
Position coaxial configuration silk, can also expand the application range of 3D printing technique.
A kind of coaxial main structure of 3D printing equipment of the utility model is that ectonexine is layered specific coaxial printing head,
And extrusion movement is carried out to two kinds of materials of ectonexine by the way of two kinds of feed combinations of plunger feeding and screw feeding, in this base
Air-flow assisting tension and cooling device are increased at plinth upper outlet.
A kind of coaxial 3D printing equipment main technical schemes of the utility model are: printing outer layers of polymer by Coaxial nozzle
Object, internal layer are the low coaxial material of bulk density.Outer layer is performance guarantee layer, and mainly uses layer, the mechanical property of product
Mainly determined by outer layer；The internal layer for squeezing out silk is auxiliary setting layer, and auxiliary setting layer is used to assist outer layer silk extrusioning shaping,
Prevent the outer layer annulus material section squeezed out from collapsing, auxiliary setting layer can be used the lesser material of relative volume density and for example foam
Material or later period removable material, such as: water, gel, low-melting alloy material.The fuse that traditional handicraft squeezes out can be approximate
For the cylinder of circular cross-section, and the coaxial fuse that the utility model squeezes out is since outer layer is performance guarantee layer, in performance evaluation
Its approximation can be regarded to the cylinder for ring cross-section as, according to theory mechanics analysis, under the premise of same cross-sectional area, annulus is cut
Flour product rigidity is better than circular cross-section product.Therefore the product made by the utility model device is in the case where weight is constant
Rigidity, hardness and bending strength can be improved, realize the further lightweight of 3D printing technique.
The utility model proposes a kind of coaxial 3D printing equipment, mainly include piston, internal layer heating mantle, outer layer heating mantle,
Cladding material channel, muff, annular airflow go out muzzle, thermal insulation layer and piston cylinder, and cladding material channel lower end is coaxial nozzle,
Inner layer material is put into piston cylinder, internal layer heating mantle will melt inner layer material heating preheating, and outer layer heating mantle will be located at outer layer material
The cladding material heating melting for expecting channel enters inner layer material within the scope of muff by piston compression in print procedure；
Cladding material is imported cladding material channel by piston extrusion device or screw extruder by cladding material；Muff is for spraying
Make coaxial material that there is preferable mobility at mouth runner, squeeze out it smoothly at nozzle, avoids blocking spray head.Annular airflow goes out
Muzzle connects air supply system, and annular airflow, which goes out muzzle and cladding material interchannel, thermal insulation layer, prevents cold air from will not squeeze out spray head
Material it is cooling.In print procedure, coaxial configuration fuse is laid on demand on shaped platform and layer upon layer is at product, if interior
Portion's material is removable material, terminates that product ontology is discharged subsequently through toppling over or heat evacuation mode in print procedure, makes to make
Product realize lightweight structure manufacture.
Interior needle bending, the straight type of outer needle or outer needle can be selected in a kind of Coaxial nozzle of coaxial 3D printing equipment of the utility model
Bending, interior needle two kinds of models of straight type.The preferably outer needle bending of the utility model, the straight type of interior needle.Coaxial nozzle should be selected thermally conductive
The material of better performances makes, the preferred beryllium copper material of the utility model.
Internal layer runner heating mantle, outer layer runner heating mantle and muff are installed in Coaxial nozzle.Wherein muff distance
The discharge port of spray head is nearest.The discharge outlet of spray head is equipped with annular airflow and goes out muzzle, can be used for axial to silk progress is squeezed out
Stretch and accelerate the cooling of silk.Annular airflow, which goes out cushioning between muzzle and spray head, heat-barrier material, prevents air-flow to not squeezing out
The generation of spray head clogging caused by the material of spray head is cooling.
The heating mantle and muff of a kind of coaxial 3D printing equipment of the utility model are resistance heating set, each heating mantle
All include resistance heater and cooling fin, cooling fin is set to prevent hot-spot in heating process.The setting of muff helps
In coaxial material there is good fluidity at spray head, squeezes out coaxial material smoothly, spray head is avoided to block.
A kind of coaxial 3D printing equipment of the utility model can be used for the optimization of 3D printing product, specifically be divided into: (1) into one
The lightweight structure of step optimization 3D printing product；(2) manufacture meets the 3D printing product of Special use requirement.
For the utility model in terms of the lightweight of 3D printing product: the outer layer that silk is squeezed out in print procedure is system
The main of product uses layer, squeezes out the internal layer of silk as auxiliary setting layer.Auxiliary setting layer is prevented for assisting silk extrusioning shaping
Silk is squeezed out to collapse, the lesser material of relative volume density can be used in auxiliary setting layer, or uses removable material after molding,
The product silk of printing is set to form hollow structure.The lightweight that above two method is able to achieve 3D printing silk structure improves.
In terms of the utility model is used to prepare special dimension 3D printing product: using the principles of the present invention
Print the product for meeting Special use performance.In printing extrusion process, mainly (such as prevented fires using material and auxiliary material
Material, resistant material, reinforcing material etc.) extrusion output can be set according to actual needs and squeeze out the inner layer material and outer layer of silk
Material coats composite type.Such as processing performance enhanced article, then inner layer material is auxiliary reinforcement, and cladding material is matrix
Material；If manufacture has the product of fire protection requirement, inner layer material is basis material, and outer layer is fire proofing material.The utility model
The cladding number of plies of printing silk is not limited, various types of materials preparation coaxial material and system can be combined according to actual operation requirements
Product belong to the protection scope of the utility model using the principles of the present invention.
A kind of specific working mode of coaxial 3D printing equipment of the utility model are as follows:
First inner layer material is put into piston cylinder, preheating before printing, internal layer heating mantle is used for heating melting inner layer material, outside
Layer heating mantle is used for heating melting cladding material, squeezes out inner layer material by piston compression in print procedure；Cladding material
Cladding material is imported into cladding material channel by piston extrusion device or screw extruder；Muff is used at nozzle flow channel
Make coaxial material that there is preferable mobility, squeeze out it smoothly at nozzle, avoids blocking spray head.Annular airflow goes out muzzle connection
Air supply system, air-flow can assisting tension squeeze out fuse, annular airflow goes out muzzle and cladding material interchannel has heat-barrier material, prevents
Cold air is cooling by the material for not squeezing out spray head.In print procedure, coaxial configuration fuse is laid on shaped platform simultaneously on demand
Layer upon layer is at product.If internal material is removable material, needed after print procedure by toppling over or heating evacuation side
Product ontology is discharged in formula, and product is made to realize lightweight structure manufacture
A kind of product of coaxial 3D printing equipment printing of the utility model is for traditional 3D printing technique, in XY water
Square to grid fill lightweight scheme on the basis of further make product from the fuse of minimum forming unit implement lightweight set
Meter can reduce product weight under the premise of requiring constant to product properties, reduce consumptive material usage amount, make 3D printing technique more
Add environmentally protective；For the coaxial printing technique of 3D of the utility model, the utility model can be also used for the optimization of product properties,
As fire-proof product, corrosion resistant article, performance enhancement product extend 3D printing product to meet the requirement of different use conditions
Application range.
Detailed description of the invention
Fig. 1 is a kind of coaxial extrusion device schematic diagram of coaxial 3D printing equipment of the utility model.
Fig. 2 is a kind of coaxial 3D printing equipment printing article construction schematic diagram of the utility model.
In figure: 1- piston；2- internal layer heating mantle；3- outer layer heating mantle；4- cladding material channel；5- muff；6- annular
Air stream outlet set；7- thermal insulation layer；8- piston cylinder；9- cladding material；10- inner layer material；11- nozzle.
Specific embodiment
A kind of coaxial 3D printing equipment of the utility model, as shown in Figure 1, mainly including piston 1, internal layer heating mantle 2, outer layer
Heating mantle 3, cladding material channel 4, muff 5, annular airflow go out muzzle 6, thermal insulation layer 7 and piston cylinder 8, cladding material channel 4
Lower end is coaxial nozzle 11, and inner layer material 10 is put into piston cylinder 8, and internal layer heating mantle 2 will melt the heating preheating of inner layer material 10,
Outer layer heating mantle 3 will be located at 9 heating melting of cladding material in cladding material channel 4, be made in print procedure by the compression of piston 1
Inner layer material 10 enters in 5 range of muff；Cladding material 9 passes through piston extrusion device or screw extruder for cladding material 9
Import cladding material channel 4；Muff 5 makes it in nozzle for making coaxial material have preferable mobility at nozzle flow channel
Place smoothly squeezes out, and avoids blocking spray head.Annular airflow goes out muzzle 6 and connects air supply system, and annular airflow goes out muzzle 6 and cladding material is logical
There is thermal insulation layer 7 between road 4, prevents cold air that the material for not squeezing out spray head is cooling.In print procedure, coaxial configuration fuse is on-demand
Be laid on shaped platform simultaneously layer upon layer terminates subsequent at product if internal material 10 is removable material in print procedure
Product ontology is discharged by toppling over or heating evacuation mode, product is made to realize lightweight structure manufacture
A kind of product of coaxial 3D printing equipment printing of the utility model is for traditional 3D printing technique, in XY water
Further make product implement lightweight from minimum forming unit-fuse on the basis of square lightweight scheme filled to grid to set
Meter can reduce product weight under the premise of requiring constant to product properties, reduce consumptive material usage amount, keep 3D printing greener
Colour circle is protected；For the coaxial printing technique of 3D of the utility model, the utility model can be also used for the optimization of product properties, it is such as outer
Layer material is fire proofing material, resistant material or performance enhanced material, obtains fire-proof product, corrosion resistant article or performance enhancement system
Product extend the application range of 3D printing product to meet the requirement of different use conditions.
The light-weighted situation of 3D printing product is used for by the utility model: as shown in Fig. 2, squeezing out silk in print procedure
The cladding material 9 of material is that the main of product uses layer, i.e., occupies the material of larger volume ratio in product；Squeeze out the internal layer of silk
Material 10 is auxiliary setting layer.
For the utility model to be used to manufacture the situation for the 3D printing product for meeting Special use requirement: using this reality
The product for meeting Special use performance is printed with novel principle and the coaxial printing and technology.In printing extrusion process
In, it can mainly be set according to actual needs using material and auxiliary material (such as fire proofing material, resistant material, reinforcing material etc.)
It sets extrusion output and squeezes out the Special use performance inner layer material of coaxial silk and the material of Special use performance cladding material cladding
Composite type.
Claims (3)
1. a kind of coaxial 3D printing equipment, it is characterised in that: mainly include piston, internal layer heating mantle, outer layer heating mantle, outer layer material
Material channel, muff, annular airflow go out muzzle, thermal insulation layer and piston cylinder, and cladding material channel lower end is coaxial nozzle, piston cylinder
In be put into inner layer material, internal layer heating mantle will melt inner layer material heating preheating, and outer layer heating mantle will be located at cladding material channel
Cladding material heating melting, in print procedure by piston compression enter inner layer material within the scope of muff；Outer layer material
Cladding material is imported cladding material channel by piston extrusion device or screw extruder by material；Annular airflow outlet socket gas supply
System, annular airflow, which goes out muzzle and cladding material interchannel, thermal insulation layer.
2. a kind of coaxial 3D printing equipment according to claim 1, it is characterised in that: the interior needle bending of coaxial nozzle selection,
The outer straight type of needle or the bending of outer needle, interior needle two kinds of models of straight type.
3. a kind of coaxial 3D printing equipment according to claim 1, it is characterised in that: cladding material is fire proofing material, resistance to
Corrosion material or reinforcing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821393427.2U CN208896509U (en) | 2018-08-28 | 2018-08-28 | A kind of coaxial 3D printing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821393427.2U CN208896509U (en) | 2018-08-28 | 2018-08-28 | A kind of coaxial 3D printing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208896509U true CN208896509U (en) | 2019-05-24 |
Family
ID=66570555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821393427.2U Expired - Fee Related CN208896509U (en) | 2018-08-28 | 2018-08-28 | A kind of coaxial 3D printing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208896509U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177150A (en) * | 2018-08-28 | 2019-01-11 | 北京化工大学 | A kind of coaxial 3D printing Processes and apparatus |
| WO2021113955A1 (en) | 2019-12-12 | 2021-06-17 | Kilncore Inc. | Very high temperature hot end for fused deposition modelling printer |
| RU213706U1 (en) * | 2022-01-25 | 2022-09-23 | Андрей Сергеевич Долгин | Extruder for printing ceramic pastes on a 3D printer using fusing technology |
| CN116442520A (en) * | 2023-05-29 | 2023-07-18 | 大连工业大学 | 3D printing coaxial extrusion device and extrusion method based on sodium alginate and calcium chloride |
-
2018
- 2018-08-28 CN CN201821393427.2U patent/CN208896509U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177150A (en) * | 2018-08-28 | 2019-01-11 | 北京化工大学 | A kind of coaxial 3D printing Processes and apparatus |
| WO2021113955A1 (en) | 2019-12-12 | 2021-06-17 | Kilncore Inc. | Very high temperature hot end for fused deposition modelling printer |
| US11633916B2 (en) | 2019-12-12 | 2023-04-25 | Kilncore Inc. | Very high temperature hot end for fused deposition modeling printer |
| RU213706U1 (en) * | 2022-01-25 | 2022-09-23 | Андрей Сергеевич Долгин | Extruder for printing ceramic pastes on a 3D printer using fusing technology |
| CN116442520A (en) * | 2023-05-29 | 2023-07-18 | 大连工业大学 | 3D printing coaxial extrusion device and extrusion method based on sodium alginate and calcium chloride |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190524 Termination date: 20200828 |
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| CF01 | Termination of patent right due to non-payment of annual fee |