CN107364133A - Energy-saving colour mixture 3D printing shower nozzle based on fixed point rotating shaft rotating-table apparatus - Google Patents
Energy-saving colour mixture 3D printing shower nozzle based on fixed point rotating shaft rotating-table apparatus Download PDFInfo
- Publication number
- CN107364133A CN107364133A CN201610303412.1A CN201610303412A CN107364133A CN 107364133 A CN107364133 A CN 107364133A CN 201610303412 A CN201610303412 A CN 201610303412A CN 107364133 A CN107364133 A CN 107364133A
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- Prior art keywords
- shower nozzle
- nozzle
- printing
- rotating disk
- copper
- 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.)
- Pending
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- 238000010146 3D printing Methods 0.000 title claims abstract description 22
- 239000000203 mixture Substances 0.000 title claims abstract description 14
- 229910052802 copper Inorganic materials 0.000 claims abstract description 34
- 239000010949 copper Substances 0.000 claims abstract description 34
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 239000011324 bead Substances 0.000 claims abstract description 9
- 239000003086 colorant Substances 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 238000007600 charging Methods 0.000 claims description 17
- 210000003739 neck Anatomy 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000007639 printing Methods 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 3
- 238000002844 melting Methods 0.000 abstract description 3
- 230000008018 melting Effects 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 3
- 238000004088 simulation Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/0007—Manufacturing coloured articles not otherwise provided for, e.g. by colour change
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Ink Jet (AREA)
Abstract
The present invention provides a kind of energy-saving colour mixture 3D printing shower nozzle based on fixed point rotating shaft rotating-table apparatus, including rotating disk and shower nozzle, the shower nozzle include copper nozzle, three radiating tubes, heating rod, deep bead, three trunnions and thermistor.The copper nozzle has three feeding-passages and a discharging opening, is a kind of " three, which enter one, goes out " shower nozzle, this shower nozzle can realize the melting mixing of different colours material, and then realize colour print.In combination with rotating disk, multiple shower nozzles are installed on rotary disk, 3D printer just can freely change printing head in print procedure for the material requirements of printing.Rotating disc type design makes it possible multiple material printing alternate, allows the thermal fiber silk of different materials to be combined with different types of printing head, so as to realize colour print that different colours material mixes.
Description
Technical field
The present invention relates to 3D printing technique field, and in particular to one kind is based on fixed point rotating shaft rotating disk
The energy-saving colour mixture 3D printing shower nozzle of device.
Background technology
FDM increasing material manufacturings representated by 3D printing have become realization " the intelligence system of industry 4.0
Make " important impetus, country vigorously supports the related foundation scientific research item of 3D printing in recent years
Mesh.Meanwhile 3D printing also exposes the problems such as energy consumption is excessive, time-consuming long, material is single,
Material melting point used in 3D printing is universal all more than 200 degrees Celsius, if time-write interval mistake
Length will bring serious energy loss and mechanical wear.
In view of the above-mentioned problems, the uniqueness of German engineer Cem Schnitzler research and development at present is set
Extruder head can be rotated for meter, allows thermal fiber silk mutually to be tied with different types of printing head
Close, so as to make the 3D printing product of different bores.Controlled by engine and pulley system
The position of shower nozzle, appropriate extruder can be turned to.But his idea is only limitted to material of the same race
The nozzle printing of material different model, can not realizing different materials, " alternating color prints.
The content of the invention
Present invention aim to address current 3D printing technique energy consumption is big, efficiency is low, material with
And color it is single the problem of, there is provided a kind of energy-saving colour mixture 3D printing shower nozzle.
To realize that the technical scheme that the object of the invention uses is such, one kind is based on fixed point
The energy-saving colour mixture 3D printing shower nozzle of rotating shaft rotating-table apparatus, including rotating disk and shower nozzle.
The shower nozzle enters one for three and goes out colour mixture shower nozzle.The shower nozzle dissipates including copper nozzle, three
Heat pipe, heating rod, deep bead, three trunnions and thermistor.
The Surface coating of the copper nozzle one layer of ceramic fibre.The copper nozzle is tapered,
The tip of its underpart is discharging opening, and its upper face is provided with three charging apertures, blind round hole
I and blind round hole II.These three charging apertures form feeding-passage between discharging opening respectively.
The inwall of each charging aperture is carved with one section of screw thread.The blind round hole I is located at the axle of copper nozzle
On line.
The heating rod is arranged in blind round hole I.The thermistor is arranged on circular blind
In hole II.The heating rod and thermistor pass through wire connecting power respectively.Three radiatings
Pipe is connected by a trunnion with a charging aperture respectively.The lower end of the trunnion passes through screw thread
It is connected in charging aperture, upper end is embedded in the endoporus of radiating tube.These three radiating tubes it is upper
End connects the passage of conveying different colours material respectively.The deep bead is fixed on copper nozzle
Top.
The shower nozzle is arranged on rotating disk.The rotating disk has around fixed-axis rotation on rotating disk
Several spherical necks, these spherical necks are distributed on same circumference.The rotating disk also wraps
A positioning ball is included, the side of the positioning ball contacts with spring, opposite side and spherical clip
Peripheral surface contacts where groove.When rotating disk rotates, spring promotes positioning ball to fall into ball
Shape neck carries out spacing to rotating disk, is rotated further rotating disk so that positioning steel column slips away spherical neck.
Further, three charging apertures are evenly distributed on the upper surface of copper nozzle, they mutually it
Between corresponding central angle be 120 °.
Further, other shower nozzles of different dimensional accuracies are also equipped with the rotating disk.
Further, the discharging opening 3mm of the distance from bottom copper nozzle of the blind round hole I.
The present invention has following technological merit：
1st, printing head is freely changed in the material requirements for printing in print procedure.Rotating disk
Formula design makes it possible multiple material printing alternate, allow different materials thermal fiber silk with not
The printing head of same type is combined, so as to realize the " colored to beat of different colours material mixing
Print ".
2nd, same material, the printing for different parts require to change the spray of different dimensional accuracies
Head.The small shower nozzle of diameter extrudes slim filament for careful position, and thick shower nozzle exists
Efficiently filled when being filled printing.The printing precision of delicate area had so both been improved,
Greatly reduce the 3D printing filling time again, so as to saved heating fusing material required for
Electric energy, and reduce mechanical wear and material internal warm prestress that heat dissipation band is come
Produce.
Brief description of the drawings
Fig. 1 is the schematic diagram of shower nozzle of the present invention；
Fig. 2 is Fig. 1 elevational schematic view；
Fig. 3 is the front view of the copper nozzle of the present invention；
Fig. 4 be from another angular observation Fig. 3 when direction view；
Fig. 5 is the top view of the copper nozzle of the present invention；
Fig. 6 is the structural representation of radiating tube；
Fig. 7 is the structural representation of the present embodiment turntable；
Fig. 8 is the schematic diagram that the present invention is installed on prusa i3 3D printers；
Fig. 9 is the schematic diagram that the present invention is installed on parallel arm 3D printer；
Figure 10 is the rotational positioning principle schematic of rotating disk of the present invention；
Figure 11 is the temperature profile that shower nozzle carries out simulation of Heat Transfer analysis；
Figure 12 is the thermograde figure that shower nozzle carries out simulation of Heat Transfer analysis；
Figure 13 is the energy storage density figure that shower nozzle carries out simulation of Heat Transfer analysis.
In figure：Copper nozzle 1, radiating tube 2, heating rod 3, deep bead 4, trunnion 5, rotating disk
6th, shower nozzle 7.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples, but should not
It is interpreted as the above-mentioned subject area of the present invention and is only limitted to following embodiments.On the present invention is not departed from
In the case of stating technological thought, according to ordinary skill knowledge and customary means, make
Various replacements and change, it all should include within the scope of the present invention.
Referring to Fig. 1 to Fig. 6, the present embodiment provides a kind of section based on fixed point rotating shaft rotating-table apparatus
Energy type colour mixture 3D printing shower nozzle, including rotating disk 6 and shower nozzle 7.The shower nozzle 7 enters one for three
Go out colour mixture shower nozzle.The shower nozzle 7 include 1, three radiating tube 2 of copper nozzle, heating rod 3,
Deep bead 4, three trunnions 5 and thermistors；
The Surface coating of the copper nozzle 1 one layer of ceramic fibre, and ceramic fibre can ensure
The storage of heat, save the energy.The copper nozzle 1 is tapered, and the tip of its underpart is
Material mouth 101, its upper face are provided with three charging apertures 102, blind round hole I 103 and circle
Shape blind hole II 104.These three charging apertures 102 form feeding-passage between discharging opening 1 respectively,
I.e. feeding-passage has three, is finally all discharged by discharging opening 101.Wherein, three chargings
Mouth 102 is evenly distributed on the upper surface of copper nozzle 1, their mutual corresponding centers of circle
Angle is 120 °.The inwall of each charging aperture 102 is carved with one section of screw thread, and this section of screw thread is used to connect
Connect trunnion 5.The blind round hole I 103 is located on the axis of copper nozzle 1, the blind round hole
I 103 are used to install heating rod 3.
The heating rod 3 is arranged in blind round hole I 103.It should be noted that the circle
The discharging opening 101 of the distance from bottom copper nozzle of shape blind hole I 103 is 3mm.Conventional 3D printing
The length of the heating rod of machine is 20mm, and the length of heating rod 3 is 15mm in the present invention.So
Can try one's best it is buried enter blind round hole 103 in, and can reduce heat scatter and disappear, be also possible to prevent
Bad consumptive material scorification is collapsed in advance of radiating soft causes to promote powerless, shower nozzle to block.
The thermistor is arranged in blind round hole II 104.The heating rod 3 and temperature-sensitive electricity
Resistance passes through wire connecting power respectively.Three radiating tubes 2 pass through a trunnion 5 and one respectively
Individual charging aperture 102 connects.The lower end of the trunnion 5 is threadedly attached in charging aperture 102
Interior, upper end is embedded in the endoporus of radiating tube 2.The upper end of these three radiating tubes 2 connects respectively
Connect the passage of conveying different colours material.The deep bead 4 is fixed on the upper of copper nozzle 1
Side.The shower nozzle 7 of the present invention is by taking the top of buried heating rod 3, copper nozzle 1 to increase gear
The measures such as aerofoil 4, diminution copper mouth area of dissipation prevent heat to scatter and disappear and prevent heat diffusion from causing
Premature inflation plug.
The shower nozzle 7 is arranged on rotating disk 6.The rotating disk 6 is around fixed-axis rotation, and rotating disk 6
Upper to have several spherical necks, these spherical necks are distributed on same circumference.Referring to figure
10 (Figure 10 is an equivalent schematic of the operation principle of rotating disk 6 of the present invention), described turn
Disk 6 also includes a positioning ball, and the side of the positioning ball contacts with spring, opposite side
With the peripheral surface contacts where spherical neck.When rotating disk 6 rotates, spring promotes positioning
Steel ball fall into spherical neck rotating disk 6 is carried out it is spacing, be rotated further rotating disk 6 cause positioning steel
Post slips away spherical neck.Meanwhile the list of different dimensional accuracies is also equipped with the rotating disk 6
Shower nozzle, shower nozzle so of the invention realize the melting mixing of different colours, with closing single nozzle
Work.
Referring specifically to Fig. 8 and Fig. 9, the present invention is respectively used to prusa i3 3D printers and simultaneously
Joint arm 3D printer, their working method is identical, and printing is changed by rotary turnplate 6
Shower nozzle, 3D printer just can freely change printing head with spraying material in print procedure,
Printing for different parts requires to change the shower nozzle of different dimensional accuracies.The small shower nozzle of diameter
Slim filament is extruded for careful position, thick shower nozzle enters when being filled printing
Row efficiently filling.The printing precision of delicate area had so both been improved, has greatly reduced 3D again
The filling time is printed, so as to save the electric energy required for heating fusing material, and is reduced
The mechanical wear and the generation of material internal warm prestress that heat dissipation band is come.
In addition using sprays of the finite element analysis software Comsol Multiphysics to the present invention
Head carries out heat transfer loss analysis, and in annex, setting material is the simulation model：Fin-
Aluminum oxide, Tong Zui-copper, heating rod-cast iron, the normal pressure thermal capacitance of material, density, heat conduction system
Number is set in simulation document.The contact site temperature for setting heating rod and copper mouth is 200
Degree Celsius (heat point source), fan cooling power 2w.Its temperature profile, thermograde figure,
Energy storage density figure is as shown in Figure 11 to Figure 13.As can be seen that thermal source concentrate on heating rod with
Copper mouth contact part.Radiating tube temperature of lower is higher, thermograde is larger, radiating efficiency compared with
It is high.Can be by taking buried heating rod, increasing deep bead, diminution copper mouth on nozzle top
The measures such as area of dissipation prevent heat to scatter and disappear and prevent heat diffusion from causing 3D printing material to shift to an earlier date
Fusing causes to block shower nozzle.Such design, which serves, really reduces the lost effect of heat.
From this figure it can be seen that although copper mouth directly contacts with thermal source, the temperature of copper mouth can't
Burn it is especially high, on the one hand because Tong Zui outer surfaces radiate, on the other hand because fan and dissipate
Heat pipe guiding radiating, the purpose of radiating is to prevent 3D printing material in advance in radiating tube
Scorification blocks shower nozzle.
Claims (4)
1. a kind of energy-saving colour mixture 3D printing shower nozzle based on fixed point rotating shaft rotating-table apparatus, its
It is characterised by：Including rotating disk (6) and shower nozzle (7)；
The shower nozzle (7) enters one for three and goes out colour mixture shower nozzle；The shower nozzle (7) is sprayed including copper
Mouth (1), three radiating tubes (2), heating rod (3), deep bead (4), three trunnions (5)
And thermistor；
The Surface coating of the copper nozzle (1) one layer of ceramic fibre；The copper nozzle (1)
Tapered, the tip of its underpart is discharging opening (101), and its upper face is provided with three and entered
Material mouth (102), blind round hole I (103) and blind round hole II (104)；These three chargings
Mouth (102) forms feeding-passage between discharging opening (1) respectively；Each charging aperture (102)
Inwall be carved with one section of screw thread；The blind round hole I (103) is located at copper nozzle (1)
On axis；
The heating rod (3) is arranged in blind round hole I (103)；The thermistor
In blind round hole II (104)；The heating rod (3) and thermistor lead to respectively
Cross wire connecting power；Three radiating tubes (2) pass through a trunnion (5) and one respectively
Charging aperture (102) connects；The lower end of the trunnion (5) is threadedly attached in charging aperture
(102) in, upper end is embedded in the endoporus of radiating tube (2)；These three radiating tubes (2)
Upper end connect respectively conveying different colours material passage；The deep bead (4) is fixed
In the top of copper nozzle (1)；
The shower nozzle (7) is arranged on rotating disk (6)；The rotating disk (6) around fixed-axis rotation,
And there are several spherical necks on rotating disk (6), these spherical necks are distributed in same circumference
On；The rotating disk (6) also includes a positioning ball, the side of the positioning ball and spring
Contact, opposite side and the peripheral surface contacts where spherical neck；When rotating disk (6) rotates,
Spring promote positioning ball fall into spherical neck to rotating disk (6) carry out it is spacing, be rotated further turn
Disk (6) spherical neck so that positioning steel column slips away.
2. the energy-saving colour mixture according to claim 1 based on fixed point rotating shaft rotating-table apparatus
3D printing shower nozzle, it is characterised in that：Three charging apertures (102) are evenly distributed on copper nozzle (1)
Upper surface, corresponding central angles are 120 ° between each other for they.
3. the energy-saving colour mixture according to claim 1 based on fixed point rotating shaft rotating-table apparatus
3D printing shower nozzle, it is characterised in that：Different dimensional accuracies are also equipped with the rotating disk (6)
Other shower nozzles.
4. the energy-saving colour mixture according to claim 1 based on fixed point rotating shaft rotating-table apparatus
3D printing shower nozzle, it is characterised in that：The distance from bottom copper of the blind round hole I (103)
Discharging opening (101) 3mm of nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610303412.1A CN107364133A (en) | 2016-05-10 | 2016-05-10 | Energy-saving colour mixture 3D printing shower nozzle based on fixed point rotating shaft rotating-table apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610303412.1A CN107364133A (en) | 2016-05-10 | 2016-05-10 | Energy-saving colour mixture 3D printing shower nozzle based on fixed point rotating shaft rotating-table apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107364133A true CN107364133A (en) | 2017-11-21 |
Family
ID=60303423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610303412.1A Pending CN107364133A (en) | 2016-05-10 | 2016-05-10 | Energy-saving colour mixture 3D printing shower nozzle based on fixed point rotating shaft rotating-table apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107364133A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108527860A (en) * | 2018-05-04 | 2018-09-14 | 重庆大学 | A kind of 3D printing batch mixing nozzle and the 3D printer using the nozzle |
| CN108621425A (en) * | 2018-05-02 | 2018-10-09 | 芜湖众梦电子科技有限公司 | A kind of portable 3D printing pen of multi-angle showerhead |
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| CN105415690A (en) * | 2015-11-12 | 2016-03-23 | 郑州科技学院 | Spray head for full-color three-dimensional printer and printing method |
| CN205767528U (en) * | 2016-05-10 | 2016-12-07 | 重庆大学 | Energy-saving colour mixture 3D printing head based on fixed point rotating shaft rotating-table apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108621425A (en) * | 2018-05-02 | 2018-10-09 | 芜湖众梦电子科技有限公司 | A kind of portable 3D printing pen of multi-angle showerhead |
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| CN108527860A (en) * | 2018-05-04 | 2018-09-14 | 重庆大学 | A kind of 3D printing batch mixing nozzle and the 3D printer using the nozzle |
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Application publication date: 20171121 |
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