CN205343831U - 3D prints powder material with beating printer head - Google Patents
3D prints powder material with beating printer head Download PDFInfo
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- CN205343831U CN205343831U CN201620076360.4U CN201620076360U CN205343831U CN 205343831 U CN205343831 U CN 205343831U CN 201620076360 U CN201620076360 U CN 201620076360U CN 205343831 U CN205343831 U CN 205343831U
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Abstract
The utility model discloses a 3D prints powder material with beating printer head, including melting extruding means, beat printer head and actuating mechanism with melting extruding means is connected, melting extruding means is used for to beating the powder material that heating and melting was passed through in the printer head transport, and actuating mechanism is used for driving melting extruding means, beating printer head and including the melt pump who is connected with melting extruding means, melt pump's export and nozzle mechanism are connected. The utility model discloses a 3D prints powder material with beating printer head, nozzle department temperature active control can provide the best viscosity and forming temperature to powder material of different nature, avoids because the nozzle is located the material drop in temperature and is condensed, leads to the problem that the material can't extrude, avoid the high temperature to cause the material to be difficult for quick fashioned problem simultaneously, screw rod lower extreme lug connection is to melt pump to add pressure sensor, obtain the real time pressure of fuse -element, adjusting screw rotational speed through pressure sensor, according to the different speed range of different materials adoption, it is interval to obtain the best extrusion pressure.
Description
Technical field
This utility model relates to 3D printing technique field, and specifically a kind of 3D prints dusty material printhead.
Background technology
The material that current 3D printer uses mostly is PLA or ABS wire rod, adopts the mode (FDM) of fusion sediment by extrusion mechanism extruding conveying wire rod, melted at nozzle place and then deposit to and realize 3D on platform and print.Chinese patent application 201410425332.4 (publication number: CN104149352A), disclose a kind of 3D printer printhead, the printhead of above-mentioned patent, powder material can be printed, but discharging opening temperature is realized by front end Insulation, cannot realizing actively control, this is disadvantageous for the molding of temperature-sensitive material.Melt pressure is controlled by the check valve of screw rod lower end, extrusion pressure is confined to open the force value of check valve by the method, it is impossible to enough realizing the change of continuous print pressure, powder material is printed dispensable by this, and adding the complexity of structure, practicality is not enough.
Utility model content
Goal of the invention: in order to overcome the deficiencies in the prior art, this utility model provides a kind of 3D to print dusty material printhead.
Technical scheme: for solving above-mentioned technical problem, a kind of 3D of the present utility model prints dusty material printhead, including the printhead melt extruding mechanism and melt extrude mechanism and be connected and driving mechanism, described melt extruding mechanism for being conveyed through the dusty material adding heat fusing to printhead, driving mechanism melt extrudes mechanism for driving；Described printhead includes and melt extrudes the gear pump that mechanism is connected, and gear delivery side of pump is connected with nozzle mechanism.
Further, described nozzle mechanism includes the nozzle matrix being connected with gear pump, is provided with the nozzle connected with gear pump in nozzle matrix, is additionally provided with heating rod in nozzle matrix.
Further, it is provided with temperature sensor in described nozzle matrix.
Further, described in melt extrude mechanism be single screw extrusion machine or double screw extruder, single screw extrusion machine or be provided with heater outside double screw extruder.
Further, described heater is be wound in the thermocouple outside single screw extrusion machine or double screw extruder, is additionally provided with muff outside thermocouple.
Further, the screw rod of described single screw extrusion machine or double screw extruder is connected with driving mechanism, and described driving mechanism includes the speed change gear being connected with screw rod, and drives the motor of speed change gear.
Further, the discharging opening melt extruding mechanism described in is provided with pressure transducer.
Further, the charging aperture place melt extruding mechanism described in is provided with hopper.
Further, described Melt Pump is gear pump.
Beneficial effect: a kind of 3D of the present utility model prints dusty material printhead, nozzle place temperature actively controls, best viscosity and forming temperature can be provided, it is to avoid condense owing to nozzle place material temperature declines, cause the problem that material cannot be extruded for dusty material of different nature；Screw rod lower end is connected directly to Melt Pump, removes check valve, increases pressure transducer simultaneously, obtained the real-time pressure of melt and then adjusting screw rod rotating speed by pressure transducer；Adopt different rotating speeds according to different materials, obtain the extrusion pressure of the best.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Fig. 2 is the elevational cross-sectional view of Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is further described.
A kind of 3D as shown in Figure 1 and Figure 2 prints dusty material printhead, including melt extruding mechanism 1 and 1 printhead 2 being connected and the driving mechanism that melt extrude mechanism, melt extruding mechanism 1 for being conveyed through the dusty material adding heat fusing to printhead 2, driving mechanism melt extrudes mechanism 1 for driving；Printhead 2 includes and melt extrudes the gear pump 21 that mechanism 1 is connected, the outlet of gear pump 21 is connected with nozzle mechanism, nozzle mechanism includes the nozzle matrix 22 being connected with gear pump 21, the nozzle 23 connected with gear pump 21 is installed in nozzle matrix 22, heating rod 24 and temperature sensor 25 it is also equipped with in nozzle matrix 22, melt extrude mechanism 1 and adopt single screw extrusion machine or double screw extruder, single screw extrusion machine or add outside double screw extruder and be provided with heater 11.Heater 11 is be wound in the thermocouple outside single screw extrusion machine or double screw extruder, is also set with muff 12 outside thermocouple.The screw rod of single screw extrusion machine or double screw extruder is connected with driving mechanism, and driving mechanism includes the speed change gear 13 being connected with screw rod, and drives the motor 14 of speed change gear 13.Speed change gear 13 is decelerator, for reducing the rotating speed of motor 14.It is also equipped with pressure transducer 26 at the discharging opening melt extruding mechanism 1.Each above-mentioned temperature sensor 25 and pressure transducer 26, it is connected to controller, controller connects thermocouple and heating rod 23, temperature and pressure signal by temperature sensor with pressure transducer feedback, control the temperature of thermocouple and heating rod 23, and then for the dusty material of various trait, different thermocouples and the temperature of heating rod 23 can be set, to ensure the molten condition of melt.
In use, the temperature of the thermocouple in the screw rod region of single screw extrusion machine or double screw extruder is set, and sets the temperature of nozzle place heating rod 23, screw speed is set；After temperature stabilization everywhere, hopper 27 poured into by the dusty material that will print；Data adjusting screw rod rotating speed according to pressure transducer 26；The rotating speed regulating gear pump 21 and the angle turned over is needed, it is achieved the quantitative conveying of material according to molding.
Motor 14 drives screw rod to rotate through decelerator, dusty material is sheared and extrudes, in the process, thermocouple melted powder material, and ensure that the temperature in screw rod region will not be scattered and disappeared in a large number by muff 12, while energy-conservation, what also make after dusty material hot melt is in stable condition, adjusting screw rod is realized to the extruding of material and shear force, it is achieved to the effectively mixing of different materials and melted by regulating motor 14 rotating speed；Data adjusting screw rod rotating speed according to pressure transducer 26 can realize the pressure change that melt is carried to nozzle；Powder is become melt from hopper after screw extruding, shearing and heater 11 heat, and guides the gear pump 21 to printhead 2 front end, after spraying then through nozzle 23, and molding.Nozzle 23 with heating function can realize the accurate control to material temperature, it is achieved best bonding and processability.
A kind of 3D of the present utility model prints dusty material printhead, nozzle place temperature actively controls, best viscosity and forming temperature can be provided, it is to avoid condense owing to nozzle place material temperature declines, cause the problem that material cannot be extruded for dusty material of different nature；Screw rod lower end is connected directly to Melt Pump, removes check valve, increases pressure transducer simultaneously, obtained the real-time pressure of melt and then adjusting screw rod rotating speed by pressure transducer；Adopt different rotating speeds according to different materials, obtain the extrusion pressure of the best.
The above is only preferred implementation of the present utility model; it is noted that, for those skilled in the art; under the premise without departing from this utility model principle, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (9)
1. a 3D prints dusty material printhead, it is characterized in that: include melt extruding mechanism and the printhead melt extruding mechanism and being connected and driving mechanism, described melt extruding mechanism for being conveyed through the dusty material adding heat fusing to printhead, driving mechanism melt extrudes mechanism for driving；Described printhead includes and melt extrudes the Melt Pump that mechanism is connected, and melt delivery side of pump is connected with nozzle mechanism.
2. 3D according to claim 1 prints dusty material printhead, it is characterised in that: described nozzle mechanism includes the nozzle matrix being connected with Melt Pump, is provided with the nozzle connected with Melt Pump in nozzle matrix, is additionally provided with heating rod in nozzle matrix.
3. 3D according to claim 2 prints dusty material printhead, it is characterised in that: it is provided with temperature sensor in described nozzle matrix.
4. 3D according to claim 1 prints dusty material printhead, it is characterised in that: described in melt extrude mechanism be single screw extrusion machine or double screw extruder, single screw extrusion machine or be provided with heater outside double screw extruder.
5. 3D according to claim 4 prints dusty material printhead, it is characterised in that: described heater is be wound in the thermocouple outside single screw extrusion machine or double screw extruder, is additionally provided with muff outside thermocouple.
6. 3D according to claim 4 prints dusty material printhead, it is characterized in that: the screw rod of described single screw extrusion machine or double screw extruder is connected with driving mechanism, described driving mechanism includes the speed change gear being connected with screw rod, and drives the motor of speed change gear.
7. 3D according to claim 1 prints dusty material printhead, it is characterised in that: described in melt extrude the discharging opening of mechanism and be provided with pressure transducer.
8. 3D according to claim 1 prints dusty material printhead, it is characterised in that: described in melt extrude the charging aperture place of mechanism and be provided with hopper.
9. the 3D according to any one of claim 1-8 prints dusty material printhead, it is characterised in that: described Melt Pump is gear pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620076360.4U CN205343831U (en) | 2016-01-26 | 2016-01-26 | 3D prints powder material with beating printer head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620076360.4U CN205343831U (en) | 2016-01-26 | 2016-01-26 | 3D prints powder material with beating printer head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205343831U true CN205343831U (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620076360.4U Active CN205343831U (en) | 2016-01-26 | 2016-01-26 | 3D prints powder material with beating printer head |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105690762A (en) * | 2016-01-26 | 2016-06-22 | 南京三迭纪医药科技有限公司 | Printing head for 3D printing of powder material |
| US10201503B1 (en) | 2018-01-09 | 2019-02-12 | Triastek, Inc. | Precision pharmaceutical 3D printing device |
| US10350822B1 (en) | 2018-01-09 | 2019-07-16 | Triastek Inc. | Dosage forms with desired release profiles and methods of designing and making thereof |
| US10973767B2 (en) | 2015-06-03 | 2021-04-13 | Triastek, Inc. | Oral drug dosage form comprising drug in the form of nanoparticles |
| US11292193B2 (en) | 2019-08-20 | 2022-04-05 | Triastek, Inc. | High-throughput and high-precision pharmaceutical additive manufacturing system |
| US11364674B2 (en) | 2017-05-16 | 2022-06-21 | Triastek, Inc. | 3D printing device and method |
| US11458684B2 (en) | 2020-07-30 | 2022-10-04 | Triastek, Inc. | High-throughput and high-precision pharmaceutical additive manufacturing system |
| US11571391B2 (en) | 2018-01-09 | 2023-02-07 | Triastek, Inc. | Oral drug dosage forms compromising a fixed-dose of an ADHD non-stimulant and an ADHD stimulant |
| US12102721B2 (en) | 2017-01-26 | 2024-10-01 | Triastek, Inc. | Dosage forms of controlled release at specific gastrointestinal sites |
| US12103231B2 (en) | 2020-07-10 | 2024-10-01 | Triastek, Inc. | High-precision additive manufacturing device and high-throughput additive manufacturing system |
-
2016
- 2016-01-26 CN CN201620076360.4U patent/CN205343831U/en active Active
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10973767B2 (en) | 2015-06-03 | 2021-04-13 | Triastek, Inc. | Oral drug dosage form comprising drug in the form of nanoparticles |
| US11278499B2 (en) | 2015-06-03 | 2022-03-22 | Triastek, Inc. | Oral drug dosage form comprising various release profiles |
| US12042562B2 (en) | 2015-06-03 | 2024-07-23 | Triastek, Inc. | 3D printing methods for compartmented pharmaceutical dosage forms |
| CN105690762A (en) * | 2016-01-26 | 2016-06-22 | 南京三迭纪医药科技有限公司 | Printing head for 3D printing of powder material |
| US12102721B2 (en) | 2017-01-26 | 2024-10-01 | Triastek, Inc. | Dosage forms of controlled release at specific gastrointestinal sites |
| US11364674B2 (en) | 2017-05-16 | 2022-06-21 | Triastek, Inc. | 3D printing device and method |
| US11612569B2 (en) | 2018-01-09 | 2023-03-28 | Triastek, Inc. | Precision pharmaceutical 3D printing device |
| US10201503B1 (en) | 2018-01-09 | 2019-02-12 | Triastek, Inc. | Precision pharmaceutical 3D printing device |
| US10350822B1 (en) | 2018-01-09 | 2019-07-16 | Triastek Inc. | Dosage forms with desired release profiles and methods of designing and making thereof |
| US10624857B2 (en) | 2018-01-09 | 2020-04-21 | Triastek, Inc. | Precision pharmaceutical 3D printing device |
| US11571391B2 (en) | 2018-01-09 | 2023-02-07 | Triastek, Inc. | Oral drug dosage forms compromising a fixed-dose of an ADHD non-stimulant and an ADHD stimulant |
| US11292193B2 (en) | 2019-08-20 | 2022-04-05 | Triastek, Inc. | High-throughput and high-precision pharmaceutical additive manufacturing system |
| US11383439B1 (en) | 2019-08-20 | 2022-07-12 | Triastek, Inc. | High-throughput and high-precision pharmaceutical additive manufacturing system |
| US12103231B2 (en) | 2020-07-10 | 2024-10-01 | Triastek, Inc. | High-precision additive manufacturing device and high-throughput additive manufacturing system |
| US11458684B2 (en) | 2020-07-30 | 2022-10-04 | Triastek, Inc. | High-throughput and high-precision pharmaceutical additive manufacturing system |
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