CN216176634U - Extrusion type 3D printer double-nozzle device for liquid metal - Google Patents
Extrusion type 3D printer double-nozzle device for liquid metal Download PDFInfo
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- CN216176634U CN216176634U CN202122755452.9U CN202122755452U CN216176634U CN 216176634 U CN216176634 U CN 216176634U CN 202122755452 U CN202122755452 U CN 202122755452U CN 216176634 U CN216176634 U CN 216176634U
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Abstract
The utility model discloses a double-nozzle device of an extrusion type 3D printer for liquid metal, which comprises: the device comprises a spray head mechanism, a transmission mechanism, a spray head connecting plate, a fan fixing seat, a cooling fan, a spray head mounting seat and a protective shell; the fan fixing seat, the transmission mechanism, the spray head connecting plate and the spray head mounting seat are all fixed on the protective shell; the cooling fan is fixed on the fan fixing seat; the spray head mechanism is fixed on the spray head connecting plate. The utility model is suitable for the alternate printing of two different metal materials, the two independent nozzles can respectively set the heating temperature and the extrusion diameter according to the melting temperature, the surface tension, the printing position and the droplet size of the different materials, the 3D printer with the double nozzles is composed of two sets of independent extrusion systems, and the nozzle diameter, the heating temperature and the motion amplitude of the extrusion rod can be independently adjusted and controlled according to the materials.
Description
Technical Field
The utility model relates to the field of 3D printer nozzles, in particular to a double-nozzle device of an extrusion type 3D printer for liquid metal.
Background
The 3D printing technology is additive manufacturing technology, and is based on the principle of dispersion and accumulation, and adopts a method of material layer-by-layer accumulation to form a three-dimensional entity according to a digital model of an object. The three-dimensional printing machine can use the molten materials to continuously stack, rapidly manufacture complex modeling, has great design freedom, can realize structural modeling which is difficult to finish by the traditional process, and does not need to consider the difficulty of any manufacturing method, wherein the spray head is an important part of the 3D printer. However, most of the existing alloy metal 3D printers use solid powder printing, and liquid metal printing often only can print one material, and cannot perform mixed printing of more than two materials.
SUMMERY OF THE UTILITY MODEL
The utility model provides a double-nozzle device of a liquid metal extrusion type 3D printer, which can improve the printing diversity of the 3D printer, order the organization arrangement of alloy metal and improve the performance of the alloy metal.
In order to solve the technical problems, the utility model adopts the technical scheme that: an extrusion type double-nozzle device of a 3D printer comprises a nozzle mechanism, a transmission mechanism, a nozzle connecting plate, a nozzle fixing seat, a protective shell, a cooling fan and a fan fixing seat; the spray head mechanism is fixed on the spray head fixing seat and is arranged together by adopting a jackscrew fastening structure; the nozzle fixing seat, the fan fixing seat, the nozzle connecting plate and the transmission mechanism are all fixed on the protective shell, the transmission mechanism is fixedly connected on the protective shell through screws, and the nozzle fixing seat, the nozzle connecting plate and the fan fixing seat are all connected with the protective shell through bolt connection; the spray head mechanism comprises two spray nozzles, the spray nozzles are connected through a spray head connecting plate, and the outer sides of the spray nozzles also comprise radiating fins which are used for positioning shaft shoulders; the cooling fan is fixed on the fan fixing seat.
Preferably, the spray head device and the spray head fixing seat are fixedly connected through a bolt.
Preferably, the spray head mechanism comprises a double nozzle, a heating assembly, a heating tube and an extrusion stem.
Preferably, the nozzle is connected with the heating pipe through a bolt.
Preferably, the heating assembly and the heating pipe are fixed together through a jackscrew bolt, and a boss for positioning is arranged on the outer side of the heating pipe.
Preferably, the extrusion rod is located inside the heating pipe and is matched and located with a boss on the inner wall of the heating pipe.
Preferably, when the fan fixing seat is fixed with the nozzle connecting plate and the protective shell, the bolt holes are coaxial, and the fan fixing seat, the nozzle connecting plate and the protective shell are fixed together through the same bolt.
Preferably, the heating assembly comprises a heating block, a heating rod and a temperature sensor; the heating block is arranged on the heating pipe and is close to the double nozzles; the heating rod and the temperature sensor are both arranged in the heating block.
The utility model has the beneficial effects that: the dual-nozzle alternating printing device can be suitable for alternating printing of two different metal materials by arranging the dual nozzles, and the two independent nozzles can respectively set the heating temperature and the extrusion diameter according to the melting temperature, the surface tension, the printing position and the droplet size of different materials; the 3D printer with the double spray heads is composed of two sets of independent extrusion systems, and the diameter of a spray nozzle, the heating temperature and the motion amplitude of an extrusion rod can be independently adjusted and controlled according to materials.
Drawings
FIG. 1 is a front view of a dual nozzle device of a squeeze type 3D printer for liquid metal according to the present invention;
FIG. 2 is a cross-sectional view of a dual nozzle device of a squeeze type 3D printer for liquid metal according to the present invention;
FIG. 3 is a right side view of a dual head apparatus of a squeeze-type 3D printer for liquid metal according to the present invention;
fig. 4 is a cross-sectional view of a nozzle mechanism of a dual-nozzle device of a squeeze type 3D printer for liquid metal according to the present invention.
In fig. 1-4: 1, a nozzle; 2, heating a pipe; 3, fixing a spray head; 4 extruding a rod; 5, a screw nut; 6, a lead screw; 7, a coupler; 8, a motor; 9 a nozzle connecting plate; 10 heating a rod; 11 a temperature sensor; 12 heating the block; 13 a protective shell; 14 a fan fixing seat; 15 cooling the fan.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention:
referring to fig. 1 to 4, the dual-nozzle device of the extrusion type 3D printer for liquid metal in the present embodiment includes a nozzle mechanism, a transmission mechanism, a nozzle connecting plate 9, a nozzle fixing base 3, a protective shell 13, a cooling fan 15, and a fan fixing base 14.
The spray head mechanism comprises a spray nozzle 1, a heating assembly, a heating pipe 2 and an extrusion rod 4. The nozzle 1, the heating component and the nozzle fixing seat 3 are fixed on the heating pipe 2, the nozzle 1 is connected with the tail end of the heating pipe 2, and the heating block 12 is located on one side, close to the nozzle 1, of the heating pipe 2. The extrusion rod 4 is positioned in the heating pipe 2 and is positioned by a boss; the tail end of the extrusion rod 4 is fixed with the lead screw nut 5 through screw connection.
The heating assembly comprises a heating block 12, a heating rod 10 and a temperature sensor 11, wherein the heating rod 10 is installed in the left-side hole of the heating block 12, and the temperature sensor 11 is installed in the right-side hole.
The fan fixing seat 14 and the nozzle mounting seat 3 are both fixed on the protective shell 13. The cooling fan 15 is fixed to the fan fixing base 14. The nozzle connecting plate 9 is fixed on the protective casing 13.
The transmission mechanism comprises a motor 8, a coupler 7, a lead screw 6 and a lead screw nut 5. The motor 8 is fixed on the protective shell 13; the coupling 7 is connected with the screw rod 6 and the motor 8; the spindle nut 5 is on the spindle 6.
When the device works, the left side nozzle inputs tin metal, and the right side nozzle inputs cu6sn5And (3) alloying. The heating pipe 2 starts to heat metal materials, after the metal materials reach the specified temperature, the metal becomes a molten state in the heating pipe 2, the temperature is controlled by the temperature sensor 11 to be maintained in the specified temperature range, the motor 8 drives the screw rod 6 to move forward and backward, the screw rod 6 drives the extrusion rod 4 to move through the screw rod nut 5, and the metal liquid drops start to extrude the metal liquid downwards under the pressure action of the extrusion rod.
The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides an extrusion formula 3D printer dual spray device for liquid metal which characterized in that: comprises a spray head mechanism, a transmission mechanism, a spray head connecting plate (9), a spray head fixing seat (3), a protective shell (13), a cooling fan (15) and a fan fixing seat (14); the spray head mechanism is fixed on the spray head fixing seat (3) and is installed together by adopting a jackscrew fastening structure; the nozzle fixing seat (3), the fan fixing seat (14), the nozzle connecting plate (9) and the transmission mechanism are all fixed on the protective shell (13), the transmission mechanism is fixedly connected on the protective shell (13) through screws, and the nozzle fixing seat (3), the nozzle connecting plate (9) and the fan fixing seat (14) are all connected with the protective shell (13) through bolt connection; the spray head mechanism comprises two spray nozzles (1), the spray nozzles (1) are connected through a spray head connecting plate (9), the outer side of each spray nozzle (1) further comprises a radiating fin, and the radiating fins are used for positioning shaft shoulders; the cooling fan (15) is fixed on the fan fixing seat (14).
2. The dual-nozzle device of the extrusion type 3D printer for the liquid metal is characterized in that: the spray head device is fixedly connected with the spray head fixing seat (3) through a bolt.
3. The dual-nozzle device of the extrusion type 3D printer for the liquid metal is characterized in that: the spray head mechanism comprises two spray nozzles (1), a heating component, a heating pipe (2) and an extrusion rod (4).
4. The dual-nozzle device of the extrusion type 3D printer for the liquid metal is characterized in that: the nozzle (1) is connected with the heating pipe (2) through a bolt.
5. The dual-nozzle device of the extrusion type 3D printer for the liquid metal is characterized in that: the heating assembly and the heating pipe (2) are fixed together through a jackscrew bolt, and a boss for positioning is arranged on the outer side of the heating pipe (2).
6. The dual-nozzle device of the extrusion type 3D printer for the liquid metal is characterized in that: the extrusion rod (4) is positioned in the heating pipe (2) and is matched and positioned with a boss on the inner wall of the heating pipe (2).
7. The dual-nozzle device of the extrusion type 3D printer for the liquid metal is characterized in that: when the fan fixing seat (14) is fixed with the spray head connecting plate (9) and the protective shell (13), the bolt holes are coaxial, and the fan fixing seat, the spray head connecting plate and the protective shell are fixed through the same bolt.
8. The dual-nozzle device of the extrusion type 3D printer for the liquid metal is characterized in that: the heating assembly comprises a heating block (12), a heating rod (10) and a temperature sensor (11); the heating block (12) is arranged on the heating pipe (2) and is close to the nozzle (1); the heating rod (10) and the temperature sensor (11) are both arranged in the heating block (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122755452.9U CN216176634U (en) | 2021-11-11 | 2021-11-11 | Extrusion type 3D printer double-nozzle device for liquid metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122755452.9U CN216176634U (en) | 2021-11-11 | 2021-11-11 | Extrusion type 3D printer double-nozzle device for liquid metal |
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| CN216176634U true CN216176634U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122755452.9U Active CN216176634U (en) | 2021-11-11 | 2021-11-11 | Extrusion type 3D printer double-nozzle device for liquid metal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115026314A (en) * | 2022-06-28 | 2022-09-09 | 郑州轻工业大学 | A two storehouses add hot type 3D print head structure and printer for liquid metal |
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2021
- 2021-11-11 CN CN202122755452.9U patent/CN216176634U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115026314A (en) * | 2022-06-28 | 2022-09-09 | 郑州轻工业大学 | A two storehouses add hot type 3D print head structure and printer for liquid metal |
| WO2024000652A1 (en) * | 2022-06-28 | 2024-01-04 | 黄河科技学院 | Dual-compartment heating-type 3d printer nozzle structure used for liquid metal, and printer |
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