CN204505858U - Particle feed screw extrusion 3 D-printing ejecting device - Google Patents
Particle feed screw extrusion 3 D-printing ejecting device Download PDFInfo
- Publication number
- CN204505858U CN204505858U CN201520165543.9U CN201520165543U CN204505858U CN 204505858 U CN204505858 U CN 204505858U CN 201520165543 U CN201520165543 U CN 201520165543U CN 204505858 U CN204505858 U CN 204505858U
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- Prior art keywords
- screw extrusion
- nozzle
- cylinder
- ejecting device
- extruded
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- Expired - Fee Related
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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
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/343—Metering
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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
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
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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
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/321—Feeding
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a kind of for the particle feed screw extrusion 3 D-printing ejecting device in rapid forming system, comprise control motor, feeding cylinder, melt extruded cylinder and nozzle, the shaft coupling be connected with motor output shaft is provided with in feeding cylinder, the screw extrusion bar be connected with shaft coupling is equiped with in melt extruded cylinder, screw extrusion bar is divided into feeding section successively by upper bottom, extruded segment and metering section, the outer peripheral sidewall being positioned at screw extrusion bar extruded segment and metering section position at melt extruded cylinder is respectively equipped with upper heater and lower heater, nozzle set under melt extruded cylinder is one and adopts electroluminescent or magnetostriction materials to make shaping conical nozzle, the opening and closing of jet expansion controls by break-make control panel.Compact conformation of the present utility model, easy to use, effectively can improve the extruded velocity of a material, widen the range of choice of material, alleviate and even eliminate ejecting device " salivation " phenomenon, shaping speed block, quality are high.
Description
Technical field
The utility model belongs to melted extrusion modeling molding fabrication techniques field, relates to a kind of rapid shaping 3 D-printing device, particularly a kind of screw extrusion rapid shaping 3 D-printing ejecting device based on particle feed.
Background technology
The advanced manufacturing technology that RP technique one of being that the eighties in last century, Later development got up is emerging, it has kinds of processes implementation perhaps.In the rapid forming system be shaped based on melted extrusion modeling, shower nozzle is the critical component realizing stack shaping, it and kinematic system realize the orderly transfer of material under being engaged in CAD information-driven, and and then pile up bonding formation Three-dimensional Entity Components layer by layer, therefore shower nozzle be melted extrusion modeling be shaped prerequisite and core.
Be all adopt filamentary material processing parts at current commercial FDM (Fused Deposition Modeling) forming machine, conventional silk material has the thermoplastics such as ABS, PLA, relies on friction roller conveying.The advantage adopting this wire feed liquefaction extrusion mechanism is sending to of the continous-stable that can realize material, and shower nozzle is easy to miniaturized.But improve the rotating speed that material silk extruded velocity certainly will will increase friction pulley, the viscosity resistance of corresponding liquefied room also can increase, material silk can be made time serious to skid on friction pulley or material silk buckling phenomenon occurs, causing normal extrusion to pile up the interruption of motion.Traditional melted extrusion modeling ejecting device cannot significantly improve because of its wire vent speed, has become the bottleneck that FDM shaping speed improves further; Again because traditional sprinkler heads matching requirements must use filamentary material, namely the materials processings such as ABS, PLA must be become the silk material of certain diameter requirement, typical diameters is 1.75mm and 3mm, material cost is caused to reduce, moulding material is also subject to the limitation of a material in the choice simultaneously, especially embodies particularly outstanding in new application; Furthermore the maximum pressure that adopt the piston pushing principle of not molten solid filament material to the silk material of melting to realize mode that silk material extrudes applies melted material is limited, the aperture nozzle that diameter is less cannot be used, cause the fine fraction of accurate finding clearly to express; In addition the actual effect in the response of extruding in effective control of " salivation " and at silk material of traditional sprinkler heads device is also undesirable.
Utility model content
The purpose of this utility model is to overcome the defect that existing melted extrusion modeling ejecting device exists, provide a kind of effectively can improve a material extruded velocity, widen material range of choice and effectively promote the extrusion pressure of silk material, can alleviate and even eliminate the particle feed screw extrusion 3 D-printing ejecting device of ejecting device " salivation " phenomenon.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of particle feed screw extrusion 3 D-printing ejecting device, comprise the control motor connecting setting from top to bottom successively, feeding cylinder, melt extruded cylinder and nozzle, the shaft coupling be connected with motor output shaft is provided with in feeding cylinder, a screw extrusion bar be connected with shaft coupling is equiped with in melt extruded cylinder, screw extrusion bar is divided into feeding section successively by upper bottom, extruded segment and metering section, the outer peripheral sidewall being positioned at screw extrusion bar extruded segment and metering section position at melt extruded cylinder is respectively equipped with upper heater and lower heater, nozzle set under melt extruded cylinder is one and adopts electrostriction material or magnetostriction materials to make shaping conical nozzle, the opening and closing of jet expansion are controlled by a break-make control panel.
In above-mentioned particle feed screw extrusion 3 D-printing ejecting device, the diameter of screw extrusion bar is 1: 5 ~ 6 with length ratio, on screw extrusion bar, the length ratio of feeding section, extruded segment and metering section is 1: 1.5 ~ 2.5: 1 ~ 1.5, and the lower end nose shape of screw extrusion bar is the pan head shape of 85 ° ~ 95 °.
In above-mentioned particle feed screw extrusion 3 D-printing ejecting device, outside melt extruded cylinder, be provided with heating and thermostatic control system, described heating and thermostatic control system are formed by being equipped with the upper heater of extruded segment temperature sensor, the lower heater being equipped with metering section temperature sensor and the heat-insulation layer be laid in outside lower heater.
In above-mentioned particle feed screw extrusion 3 D-printing ejecting device, be provided with nozzle segment temperature sensor and magnetic coil in the exit of nozzle.
In above-mentioned particle feed screw extrusion 3 D-printing ejecting device, the diameter of jet expansion is controlled by additional AC signal, and nozzle outlet diameter change is of a size of 0.10 ~ 0.50mm.
Specific works process of the present utility model is such: granule (as sucrose granules body) passes through from reentering melt extruded cylinder after sending into from feeding cylinder again, then the helicla flute being positioned at feeding section place on screw extrusion bar is automatically slipped into by the barrel of melt extruded cylinder, control electrical power running by moment of torsion by shaft coupling transmission to screw extrusion bar, under the effect of screw extrusion power, granule moves downward along helicla flute, by compression also conveying downwards in extruded segment, granule is again upper simultaneously, soften gradually under the common heat effect of lower heating collar, semi-molten is until melting, the abundant mix and blend effect of metering section on screw extrusion bar, break-make control panel is opened (this is normal operating conditions), make nozzle that the uniform polymer of melting passes through by squeezing out quantitative.When ejecting device does not work break-make control panel close, stop melt liquid enter with in nozzle.
Compared with prior art, the utility model has following significant advantage:
1, the utility model adopts particle material, has widened the range of choice of moulding material;
2, the utility model can improve the extruded velocity of material from nozzle effectively, makes FDM forming machine pile up part prototype quickly;
3, the utility model can use the nozzle that diameter is less, reduces the cross-sectional area of extruded material, obtains better resolution ratio, makes prototype local detail more clear, also reduces cost of manufacture;
4, existing wire feed liquefaction extrusion mechanism fully can not adapt to the combination of high pressure needed for melt-shaping, high-speed material flowing and the change of pressure at a high speed three, and the screw extruding mechanism in the utility model can make three obtain good combination;
5, relative to traditional mechanism, in the utility model, the wire vent start-stop of screw extruding jet shaping nozzle is effective, can alleviate and even eliminate the phenomenon of ejecting device " salivation ";
6, the nozzle in the utility model adopts intellectual material, can carry out Reasonable adjustment according to work requirements to the size of nozzle diameter;
7, the utility model entirety has compact conformation, easy to use, dependable performance, shaping speed block, quality high.
Accompanying drawing explanation
Fig. 1 is the structural representation of a specific embodiment of the present utility model.
Fig. 2 is the structural representation of the utility model screw extrusion machinery.
In figure, the title of each number designation respectively: 1-controls motor, 2-motor output shaft, 3-shaft coupling, 4-bearing, 5-mounting bracket, 6-sealing ring, 7-charging aperture, 8-feeding cylinder, 9-screw extrusion bar, the upper heating collar of 10-, heating collar under 11-, 12-heat-insulation layer, 13-nozzle, 14-nozzle segment temperature sensor, 15-magnetic coil, 16-break-make control panel, 17-metering section temperature sensor, 18-melt extruded cylinder, 19-extruded segment temperature sensor, 20-connecting axle, the upper transition axis of 21-, 22-round nut, the 23-shaft shoulder, transition axis under 24-, 25-feeding section, 26-extruded segment, 27-metering section, the 28-spiral vertex of a cone.
Detailed description of the invention
Below with reference to drawings and Examples, the utility model content is described further, but practical application form of the present utility model is not limited in illustrated embodiment.
See accompanying drawing 1, particle feed screw extrusion 3 D-printing ejecting device described in the utility model is made up of motor driven systems, particle feeding machanism, screw extruding mechanism, heating and the part such as thermostatic control system, intelligent nozzle.Motor driven systems is formed by controlling motor 1.Particle feeding machanism is made up of feeding cylinder 8 and melt extruded cylinder 18, particulate material from feeding cylinder 8 send into after by certainly reentering melt extruded cylinder 18.Screw extruding mechanism is formed primarily of screw extrusion bar 9, and its bar structure as shown in Figure 2.The epimere of screw extrusion bar 9 is mounting portion, and hypomere is screw extrusion part.The mounting portion of screw extrusion bar is made up of connecting axle 20, upper transition axis 21, round nut 22, bearing 4 and the shaft shoulder 23, and bearing 4 is fixed on the shaft shoulder 23 of rod member by round nut 22.The spiral part of screw extrusion bar is according to the specially designed three-section type spiral structure of thermoplastic extrusion characteristic, comprise feeding section 25, extruded segment 26 and metering section 27 3 part, the length ratio of three sections of bodies of rod is 1: 1.5 ~ 2.5: 1 ~ 1.5, and the main purpose of wherein feeding section 25 sets up necessary back pressure and ensures reliable and stable solid particle conveying; The main function of extruded segment 26 gets rid of gas and compacting conveying material, particulate material is logical enter extruded segment 26 after, move downward under the pressure of screw extrusion; The main purpose of metering section 27 provides space for the particle of melting fully mixes and increases extrusion pressure, ensures the uniform and stable conveying of melt and extrude.Bottom (the spiral vertex of a cone 28) shape of screw extrusion bar 9 adopts more satisfactory close to the pan head shape of 90 °.The upper end of screw extrusion bar 9 is connected with motor output shaft by shaft coupling 3, and is all fixed on mounting bracket 5, and there is the bolt hole for it being finally fixed in frame mounting bracket 5 both sides.Heating and thermostatic control system are used for carrying out heating and temperaturel regulation and control to the material in melt extruded cylinder, ensure that granule molten state character is not by the impact of temperature, makes it be operated in temperature constant state.Heating and thermostatic control system are formed by being equipped with the upper heater 10 of extruded segment temperature sensor 19, the lower heater 11 being equipped with metering section temperature sensor 17 and the heat-insulation layer 12 be laid in outside lower heater 11.Wherein, upper heating collar 10 is arranged on the outer surface of the melt extruded cylinder corresponding with extruded segment 26, and extruded segment temperature sensor 19 is arranged in the blind hole of the melt extruded cylinder 18 corresponding with in the middle part of upper heating collar 10, is used for detecting the temperature at extruded segment 26 place; Lower heating collar 11 is arranged on melt extruded cylinder 18 lower end corresponding with metering section 27 and the outer surface of nozzle 13, and metering section temperature sensor 17 is arranged on the outer surface of the melt extruded cylinder 18 corresponding with in the middle part of lower heating collar 11, is used for detecting the temperature at metering section place; Heat-insulation layer 12 is arranged on the outside of metering section 27 times heating collars 11, is incubated metering section.Nozzle 13 is located at melt extruded cylinder 18 times, being one adopts electrostriction material or magnetostriction materials to make shaping conical nozzle, carry out by additional AC signal the diameter controlling its jet expansion during work, the accurate extrusion capacity controlling material silk, the opening and closing of jet expansion are controlled by break-make control panel 16.Be provided with the nozzle segment temperature sensor 14 that can detect nozzle place temperature in the exit of nozzle 13, the temperature extruding a material can be made to keep within the specific limits.Also be provided with magnetic coil 15 in the exit of nozzle 13, the nozzle diameter of nozzle is subject to the magneticaction of magnetic coil 15, can adjust according to job requirement, thus changes and filament diameter and printing precision.
The utility model one preferably Application Example structure is: control motor 1 and adopt 42BYGHW208 stepper motor; Screw extrusion bar 9 adopts 40Cr material modulation treatment to make, its external diameter is 12 ~ 15mm, uniform pitch, lead angle is 15 ° ~ 18 °, the length of feeding section 25 is 18 ~ 26mm, and the length of extruded segment 26 is 38 ~ 43mm, and the length of metering section 27 is 22 ~ 31mm, spiral groove depth is 1.5 ~ 2mm, and conehead angle is 85 ° ~ 95 °; Heating and thermostatic control system in, upper heating collar 10 and lower heating collar 11 all adopt cast copper heater, and heat-insulation layer 12 adopts ceramic fiber cotton, and extruded segment temperature sensor 19 and metering section temperature sensor 17 adopt Pt100 thermal resistance; The aperture portion of nozzle 13 adopts magnetostriction materials, and the diameter excursion of jet expansion is 0.10 ~ 0.50mm, and nozzle segment temperature sensor 14 adopts Pt100 thermal resistance.
Claims (5)
1. a particle feed screw extrusion 3 D-printing ejecting device, it is characterized in that: comprise the control motor (1) connecting setting from top to bottom successively, feeding cylinder (8), melt extruded cylinder (18) and nozzle (13), the shaft coupling (3) be connected with motor output shaft (2) is provided with in feeding cylinder (8), a screw extrusion bar (9) be connected with shaft coupling (3) is equiped with in melt extruded cylinder (18), screw extrusion bar (9) is divided into feeding section (25) successively by upper bottom, extruded segment (26) and metering section (27), the outer peripheral sidewall being positioned at screw extrusion bar extruded segment (26) and metering section (27) position at melt extruded cylinder (18) is respectively equipped with upper heater (10) and lower heater (11), nozzle (13) set under melt extruded cylinder (18) is one and adopts electrostriction material or magnetostriction materials to make shaping conical nozzle, the opening and closing of jet expansion are controlled by a break-make control panel (16).
2. particle feed screw extrusion 3 D-printing ejecting device according to claim 1, it is characterized in that: the diameter of described screw extrusion bar (9) is 1: 5 ~ 6 with length ratio, the length ratio of screw extrusion bar (9) upper feeding section, extruded segment and metering section is 1: 1.5 ~ 2.5: 1 ~ 1.5, and the lower end nose shape of screw extrusion bar (9) is the pan head shape of 85 ° ~ 95 °.
3. particle feed screw extrusion 3 D-printing ejecting device according to claim 1, it is characterized in that: outside melt extruded cylinder (18), be provided with heating and thermostatic control system, described heating and thermostatic control system are formed by being equipped with the upper heater (10) of extruded segment temperature sensor (19), the lower heater (11) being equipped with metering section temperature sensor (17) and lower heater (11) heat-insulation layer outward (12) that is laid in.
4. particle feed screw extrusion 3 D-printing ejecting device according to claim 1, is characterized in that: be provided with nozzle segment temperature sensor (14) and magnetic coil (15) in the exit of nozzle (13).
5. particle feed screw extrusion 3 D-printing ejecting device according to claim 1, is characterized in that: the diameter of jet expansion is controlled by additional AC signal, and nozzle outlet diameter change is of a size of 0.10 ~ 0.50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520165543.9U CN204505858U (en) | 2015-03-23 | 2015-03-23 | Particle feed screw extrusion 3 D-printing ejecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520165543.9U CN204505858U (en) | 2015-03-23 | 2015-03-23 | Particle feed screw extrusion 3 D-printing ejecting device |
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| Publication Number | Publication Date |
|---|---|
| CN204505858U true CN204505858U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520165543.9U Expired - Fee Related CN204505858U (en) | 2015-03-23 | 2015-03-23 | Particle feed screw extrusion 3 D-printing ejecting device |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105058794A (en) * | 2015-08-05 | 2015-11-18 | 天津大学 | Three-dimensional waxing, supply and extrusion integrated nozzle structure |
| CN105150545A (en) * | 2015-10-13 | 2015-12-16 | 北京多巴科技有限公司 | Granule feeding system for 3D printer |
| CN106079434A (en) * | 2016-06-01 | 2016-11-09 | 深圳万为智能制造科技有限公司 | 3D prints with printhead, control system, 3D printer and Method of printing |
| CN106863747A (en) * | 2017-02-28 | 2017-06-20 | 宁夏共享模具有限公司 | The screw rod of material extrusion in a kind of printing for FDM |
| CN107335806A (en) * | 2016-05-02 | 2017-11-10 | 韩国电子通信研究院 | Extruder for metal material and the 3D printer using extruder |
| CN107498847A (en) * | 2017-06-27 | 2017-12-22 | 董成田 | Print head assembly and Method of printing, 3D printer |
| CN108081613A (en) * | 2016-11-10 | 2018-05-29 | 马德松 | 3D printing nozzle and 3D printing equipment |
| CN108327252A (en) * | 2018-04-11 | 2018-07-27 | 清华大学 | Screw extrusion system and 3D printer comprising the system |
| CN108381904A (en) * | 2018-03-21 | 2018-08-10 | 广东华领智能制造有限公司 | A kind of multi-functional 3D printing head |
| CN109315884A (en) * | 2018-11-15 | 2019-02-12 | 卓乃彬 | A kind of shoemaking processing glue stations that anti-collodion silk is adhered |
| CN109318475A (en) * | 2017-07-31 | 2019-02-12 | 精工爱普生株式会社 | The control method of three-dimensional modeling apparatus and three-dimensional modeling apparatus |
| TWI653138B (en) | 2017-10-13 | 2019-03-11 | 國立台灣科技大學 | Rotatable nozzle structure and three-dimensional printing apparatus |
| CN109982849A (en) * | 2016-11-14 | 2019-07-05 | 罗伯特·博世有限公司 | The print head that can preferably control for 3D printer |
| CN110271180A (en) * | 2018-03-16 | 2019-09-24 | 精工爱普生株式会社 | Three-dimension model design, data generating device and the method for generating moulding data |
| CN110382210A (en) * | 2017-03-30 | 2019-10-25 | 惠普发展公司，有限责任合伙企业 | Construct material handler |
| IT201800006331A1 (en) * | 2018-06-14 | 2019-12-14 | Extrusion head for 3D printers. | |
| CN112373011A (en) * | 2020-10-20 | 2021-02-19 | 北京化工大学 | Miniature screw extrusion device and additive manufacturing system |
| CN112757642A (en) * | 2020-04-02 | 2021-05-07 | 苏州美梦机器有限公司 | Screw type feeding device, material extrusion system and method for 3D printing |
| US11167486B2 (en) | 2017-08-29 | 2021-11-09 | Magzero Llc | Three dimensional printer system |
| CN114126841A (en) * | 2019-07-26 | 2022-03-01 | 通用电气公司 | Modular extrusion system for forming articles |
| CN114407346A (en) * | 2022-01-07 | 2022-04-29 | 西北工业大学 | Forming spray head and additive manufacturing equipment |
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| US20230013514A1 (en) * | 2021-07-15 | 2023-01-19 | Hyundai Motor Company | 3D Printing Apparatus and Method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105058794A (en) * | 2015-08-05 | 2015-11-18 | 天津大学 | Three-dimensional waxing, supply and extrusion integrated nozzle structure |
| CN105150545A (en) * | 2015-10-13 | 2015-12-16 | 北京多巴科技有限公司 | Granule feeding system for 3D printer |
| CN105150545B (en) * | 2015-10-13 | 2017-06-13 | 北京多巴科技有限公司 | A kind of 3D printer particulate material feeding system |
| US11110540B2 (en) | 2016-05-02 | 2021-09-07 | Electronics And Telecommunications Research Institute | Extruder for metal material and 3D printer using the same |
| CN107335806A (en) * | 2016-05-02 | 2017-11-10 | 韩国电子通信研究院 | Extruder for metal material and the 3D printer using extruder |
| US11707890B2 (en) | 2016-05-12 | 2023-07-25 | Hewlett-Packard Development Company, L.P. | Heater for 3D printer auger screw |
| CN106079434B (en) * | 2016-06-01 | 2019-04-12 | 深圳万为智能制造科技有限公司 | 3D printing print head, control system, 3D printer and Method of printing |
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| US11446865B2 (en) | 2016-11-14 | 2022-09-20 | Robert Bosch Gmbh | Print head for a 3D printer, with improved control |
| CN109982849B (en) * | 2016-11-14 | 2022-02-18 | 罗伯特·博世有限公司 | Better controllable print head for 3D printer |
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| TWI653138B (en) | 2017-10-13 | 2019-03-11 | 國立台灣科技大學 | Rotatable nozzle structure and three-dimensional printing apparatus |
| CN110271180B (en) * | 2018-03-16 | 2022-02-11 | 精工爱普生株式会社 | Three-dimensional modeling system, data generation device, and method for generating modeling data |
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| CN108381904A (en) * | 2018-03-21 | 2018-08-10 | 广东华领智能制造有限公司 | A kind of multi-functional 3D printing head |
| CN108327252A (en) * | 2018-04-11 | 2018-07-27 | 清华大学 | Screw extrusion system and 3D printer comprising the system |
| US11993014B2 (en) | 2018-05-07 | 2024-05-28 | Signify Holding, B.V. | Method of 3D printing using color mixing nozzle with multiple distribution elements |
| US11518095B2 (en) * | 2018-05-07 | 2022-12-06 | Signify Holding B.V. | Color mixing nozzle |
| IT201800006331A1 (en) * | 2018-06-14 | 2019-12-14 | Extrusion head for 3D printers. | |
| CN109315884A (en) * | 2018-11-15 | 2019-02-12 | 卓乃彬 | A kind of shoemaking processing glue stations that anti-collodion silk is adhered |
| CN109315884B (en) * | 2018-11-15 | 2020-09-04 | 浙江天宏鞋业有限公司 | Gluing device for shoemaking processing and capable of preventing gluing threads from being adhered |
| CN114126841A (en) * | 2019-07-26 | 2022-03-01 | 通用电气公司 | Modular extrusion system for forming articles |
| CN112757642A (en) * | 2020-04-02 | 2021-05-07 | 苏州美梦机器有限公司 | Screw type feeding device, material extrusion system and method for 3D printing |
| CN112373011B (en) * | 2020-10-20 | 2022-07-19 | 北京化工大学 | Miniature screw extrusion device and additive manufacturing system |
| CN112373011A (en) * | 2020-10-20 | 2021-02-19 | 北京化工大学 | Miniature screw extrusion device and additive manufacturing system |
| US20230013514A1 (en) * | 2021-07-15 | 2023-01-19 | Hyundai Motor Company | 3D Printing Apparatus and Method |
| US11745422B2 (en) * | 2021-07-15 | 2023-09-05 | Hyundai Motor Company | 3D printing apparatus and method |
| CN114407346A (en) * | 2022-01-07 | 2022-04-29 | 西北工业大学 | Forming spray head and additive manufacturing equipment |
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