CN110125412B - 3D prints shower nozzle with multistage heating and micro-molten pool - Google Patents
3D prints shower nozzle with multistage heating and micro-molten pool Download PDFInfo
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- CN110125412B CN110125412B CN201910556746.3A CN201910556746A CN110125412B CN 110125412 B CN110125412 B CN 110125412B CN 201910556746 A CN201910556746 A CN 201910556746A CN 110125412 B CN110125412 B CN 110125412B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 63
- 238000010146 3D printing Methods 0.000 claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 15
- 238000002844 melting Methods 0.000 claims abstract description 14
- 239000007921 spray Substances 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 238000001125 extrusion Methods 0.000 claims abstract description 8
- 239000000110 cooling liquid Substances 0.000 claims description 12
- 238000007639 printing Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 8
- 239000002994 raw material Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910010293 ceramic material Inorganic materials 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910000611 Zinc aluminium Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/002—Manufacture of articles essentially made from metallic fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/115—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
-
- 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)
Abstract
The invention provides a 3D printing nozzle with multi-section heating and micro-melting pool, which comprises a throat pipe and a nozzle body, wherein a cooling component is arranged on the throat pipe, a temperature control heating component is arranged on the throat pipe and the nozzle body, the nozzle body is internally provided with the micro-melting pool and a feeding cavity, the throat pipe is communicated with the micro-melting pool, the micro-melting pool is communicated with the feeding cavity, the feeding cavity is communicated with a nozzle, the nozzle is detachably connected with the nozzle body, and the feeding component is arranged in the feeding cavity. The invention has the beneficial effects that: the wire is simple to manufacture and shape and is not limited by materials; the cost and the energy consumption of the temperature control heating assembly are greatly reduced; the parts printed by the metal 3D have more practicability; the combination of multi-section heating and vane pump extrusion feeding greatly improves the reliability of the spray head; the molten pool and the flow path can be simply disassembled and cleaned, the regular cleaning is also convenient, and the 3D printer is ensured to work in an optimal state.
Description
Technical Field
The invention relates to a 3D printing apparatus, in particular to a 3D printing nozzle with multi-section heating and micro-melting pool.
Background
The 3D printing is to print and stack the three-dimensional solid model layer by using the cross-section information of each layer after slicing treatment and using powder, liquid or sheet materials and various bonding modes, and belongs to one of the rapid prototyping technologies. The technology can accurately copy the solid model, can manufacture parts with complex structure and difficult completion by the traditional processing technology, has the advantages of quick forming, low small batch manufacturing cost, less waste of material removal and the like, and is widely applied to the fields of medicine, military, aerospace and industrial production research and development.
Although having incomparable advantages to the traditional processing and manufacturing technology, the technology has not been widely used for a long time since spontaneous forming, and the reasons are as follows:
1. The traditional 3D printing uses mainly powdery metal materials, the requirements on the granularity and uniformity of the powder are very high, domestic fresh companies can reach the standard, the powder production cost is high, and the cost of printed parts is difficult to compress;
2. The energy beams such as laser and electron beams are often used for forming the fusion sintering powder, and the generator is high in price and energy consumption, so that the conventional enterprises or individuals cannot bear the energy beams;
3. Wire 3D printing which is commonly used in the market mainly adopts PLA or ABS as raw materials, and has low cost, but the strength and rigidity of the relative printed parts can not meet the use requirements, and the wire 3D printing has only model demonstration and ornamental value.
4. The 3D printer using plastics as raw materials is simple in structure, only the combination of long and thin venturi tube and spray head is adopted, extrusion pressure is completely provided by a wire feeding mechanism, when the printer works for a long time, the venturi tube is expanded due to accumulation of heat conducted by a heating part, at the moment, molten liquid can flow into the upper part of a cooling venturi tube and solidify due to backflow of pressure along the gap between the venturi tube and a wire material, a wire feeding route is blocked, the occurrence rate is high, maintenance is basically impossible, and the reliability is low.
Disclosure of Invention
The invention provides a 3D printing nozzle with a multi-stage heating and micro-melting pool, which is used for solving the problems of difficult manufacture of various traditional 3D printing raw materials, high energy consumption of production equipment, no use value of printing parts, difficult maintenance due to nozzle blockage and the like.
The technical scheme of the invention is realized as follows: the utility model provides a 3D prints shower nozzle with multistage heating and micro-bath, includes the venturi and the shower nozzle body, the venturi on be equipped with cooling module, be equipped with control by temperature change heating module on venturi and the shower nozzle body, be equipped with micro-bath, pay-off chamber in the shower nozzle body, the venturi communicates with micro-bath, micro-bath and pay-off chamber intercommunication, pay-off chamber and nozzle intercommunication, the nozzle is connected with the shower nozzle body can be dismantled, the pay-off intracavity is equipped with pay-off subassembly.
The cooling assembly comprises a cooling liquid pipe, the cooling liquid pipe is arranged on the throat pipe in a spiral mode, and the throat pipe and the cooling liquid pipe are in countercurrent.
The temperature control heating assembly comprises three groups of heating elements, two groups of heating elements are sequentially arranged on the throat, and one group of heating elements are arranged in the nozzle body.
The nozzle body is provided with a round hole, and the tubular heating element is arranged in the round hole.
The nozzle is connected with the nozzle body through threads.
The feeding assembly comprises a blade and a rotor, the blade is slidably arranged in a mounting groove of the rotor, a spring is arranged between the blade and the mounting groove, and the rotor and a shaft extending out of the feeding cavity are integrated.
And a wear-resistant ring is arranged in the feeding cavity.
The spray head body is connected with the outer cover, and a sealing gasket is arranged between the spray head body and the outer cover.
The spray head body is connected with the outer cover through bolts.
Compared with the prior art, the invention has the beneficial effects that:
1. The wire rod not only has the advantages of simple manufacture and molding, no limitation of materials and the like, but also can reasonably select the diameter of the wire rod according to the printing speed and the heating capacity of different spray heads, and the use of the wire rod greatly reduces the cost of raw materials of the metal 3D printing technology, thereby being beneficial to the application of the technology to occasions of large-batch and large-size parts;
2. The heating element in the temperature control heating component can use common heating elements such as resistance wires, heating pipes and the like, and compared with the traditional high-energy beam processing, the cost and the energy consumption are greatly reduced, and the popularization of the 3D printing technology is facilitated;
3. Compared with the existing plastic 3D printing which is widely used, the metal 3D printed part has higher practicability under the condition of low cost improvement, and can be made into a product in a real sense;
4. The cooperation of multistage heating and vane pump extrusion feeding greatly improves the reliability of the spray head, because the extrusion pressure of the spray head is not generated by a wire feeding mechanism any more, the pressure of a throat at a heating position is very low, so that molten metal is difficult to flow back, the multistage heating is a process for gradually softening metal wires, a heating passage at a physical layer is longer, the molten liquid can not reach a cooled upper throat even if flowing back, and the flowing back liquid can enter a molten pool along with the metal wires in a semi-molten state as the continuous operation is continued;
5. Adopt detachable shower nozzle to improve its maintainability, the metal liquid and the slag that do not discharge after the work of every turn end probably can cause out liquid to be unsmooth even to block up and die, and this design can be simply dismantled and clearance molten pool and flow path, also can accomplish periodic cleaning in order to guarantee that 3D printer works in the best state often.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an explosive structure according to the present invention.
Fig. 2 is a schematic diagram of the assembly structure of the present invention.
FIG. 3 is a schematic view of the working state of the feeding assembly of the present invention.
In the figure: the novel high-temperature-resistant high-pressure water heater comprises a 1-throat pipe, a 2-cooling component, a 3-temperature-control heating component, a 4-nozzle body, a 5-nozzle, a 6-wear-resistant ring, 7-blades, 8-rotors, 9-sealing gaskets, 10-outer covers and 11-bolts.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 3, a 3D printing nozzle with multi-stage heating and micro-melting pool comprises three functional parts including a cooling function, a multi-stage heating wire liquefying function and a vane pump extrusion feeding function, and specifically comprises a throat pipe 1, a cooling component 2, a temperature control heating component 3, a nozzle body 4, a nozzle 5, a wear-resisting ring 6, vanes 7, a rotor 8, a sealing gasket 9, an outer cover 10 and bolts 11.
The throat pipe 1 is preferably a circular pipe, the upper inlet and the lower outlet are arranged, the cooling assembly 2 comprises a cooling liquid pipe, the cooling liquid pipe is preferably a heat-resistant thin-wall rubber pipe, the cooling liquid is cold water, the lower inlet and the upper outlet are arranged on the throat pipe 1 in a spiral mode, and countercurrent heat exchange between the throat pipe 1 and the cooling liquid pipe is formed.
The principle of the multi-stage temperature control heating assembly is that the fed wire is gradually heated and softened until the wire is in a molten state, and the heating assembly is not limited by the installation position, the heating stage number and the type of heating elements. Preferably, the temperature control heating assembly 3 comprises a temperature sensor and three groups of heating elements, wherein the two groups of heating elements are sequentially arranged on the throat pipe 1, and one group of tubular heating elements are arranged in the round hole of the nozzle body 4 and are used for heating three sections of wires.
Taking zinc-aluminum alloy (melting point about 420 ℃) wire materials with the diameter of 1.8mm as an example, the first section of heating wire materials enter a preheating state, the set temperature of the first section is maintained at 150 ℃ through feedback control of a control circuit, the second section of heating wire materials are further heated and softened to present a semi-fluid state, the third section of heating wire materials are set at 440 ℃, and the wire materials are completely liquefied to reach the level of being capable of extrusion printing.
The nozzle body 4 is internally provided with a micro-molten pool and a feeding cavity, the throat pipe 1 is communicated with the micro-molten pool, the micro-molten pool is communicated with the feeding cavity, the feeding cavity is communicated with the nozzle 5, the nozzle 5 is detachably connected with the nozzle body 4 through threads, and a feeding component is arranged in the feeding cavity. The principle of micro-melting pool is that the heated and melted metal liquid is temporarily stored, and the shape and the size are not limited. The material of the nozzle body is preferably alumina-based ceramic material, magnesia-based ceramic material, silicon carbide ceramic material, silicon nitride ceramic material, graphite, iron, stainless steel or copper. The inner wall of the nozzle body is smooth, and the melting point of the nozzle body is higher than that of the metal raw material.
The feeding assembly comprises a blade 7 and a rotor 8, the section of the blade 7 is in a right trapezoid shape, the blade 7 is slidably arranged in a mounting groove of the rotor 8, a spring is arranged between the blade 7 and the mounting groove, the rotor 8 and a shaft extending out of a feeding cavity are integrated, and a wear-resistant ring 6 matched with the blade 7 is arranged in the feeding cavity. When the blades rotate, the blades stretch and retract to change the volume between two adjacent blades, so that molten liquid is extruded out of the feeding cavity. The nozzle body 4 is connected with the outer cover 10 through bolts, and a sealing gasket 9 is arranged between the nozzle body 4 and the outer cover 10. The vane pump type feeding component is used for conveying/extruding molten liquid, and maintains a certain rotating speed and torque by controlling the input of the stepping motor, and is used for controlling the printing flow, and the type of the vane pump is not limited.
When in printing, the wire/strip material flows into a molten pool after being melted under multi-stage heating, molten liquid in the molten pool is extruded from a nozzle under the pressure of a vane pump for 3D printing, and the wire/strip material adopts metal raw materials of aluminum, magnesium, iron, nickel, copper, zinc, silver, gold, platinum, chromium, lead and alloys thereof. The diameter of the metal wire is 0.05 mm-10 mm filiform, and the sectional area of the metal strip is 0.01mm 2—100mm2.
The working method of the invention comprises the following steps:
fixing a spray head body on a platform capable of realizing three-coordinate movement, introducing cooling liquid into a cooling liquid pipe, and heating by a temperature control heating component connected with a temperature control circuit;
Step two, the outer extending shaft section of the rotor is connected with a main shaft of a stepping motor through a coupling, wires (wires) are fed into an opening at the upper part of a throat pipe at a constant speed, molten metal flows out of a nozzle at a constant speed, and the working process of the vane pump extrusion feeding type 3D printing nozzle with three sections of heating and micro-melting pools is completed.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (7)
1. The utility model provides a silk/strip 3D prints shower nozzle with multistage heating and micro-bath, includes throat (1) and shower nozzle body (4), its characterized in that: the cooling assembly (2) is arranged on the throat pipe (1), the temperature control heating assembly (3) is arranged on the throat pipe (1) and the nozzle body (4), a micro-melting pool and a feeding cavity are arranged in the nozzle body (4), the throat pipe (1) is communicated with the micro-melting pool, the micro-melting pool is communicated with the feeding cavity, the feeding cavity is communicated with the nozzle (5), the nozzle (5) is detachably connected with the nozzle body (4), and the feeding assembly is arranged in the feeding cavity;
the temperature control heating assembly (3) is a three-section temperature control heating assembly, the temperature control heating assembly (3) comprises three groups of heating elements, two groups of heating elements are sequentially arranged on the throat pipe (1), and one group of heating elements are arranged in the nozzle body (4); the nozzle body (4) is provided with a round hole, and a tubular heating element is arranged in the round hole; gradually heating and softening the fed wire/strip until the wire/strip is in a molten state; the first section of the heating wire/strip of the three-section temperature control heating assembly enters a preheating state, the second section further heats and softens the wire/strip to present a semi-fluid state, and the third section completely liquefies the wire/strip to reach the level of extrusion printing;
The feeding assembly comprises a blade (7) and a rotor (8), the blade (7) is arranged in a mounting groove of the rotor (8) in a sliding manner, a spring is arranged between the blade (7) and the mounting groove, and the rotor (8) and a shaft extending out of the feeding cavity are integrated; the rotor overhanging shaft section is connected with a stepping motor main shaft through a coupler, and a certain rotating speed and torque are kept by controlling the input of the stepping motor, so as to control the printing flow.
2. The filament/tape 3D printing head with multi-stage heating and micro-puddle of claim 1, wherein: the cooling assembly (2) comprises a cooling liquid pipe, the cooling liquid pipe is arranged on the throat pipe (1) in a spiral mode, and the throat pipe (1) and the cooling liquid pipe are in countercurrent.
3. The filament/tape 3D printing head with multi-stage heating and micro-puddle of claim 1, wherein: the nozzle (5) is connected with the nozzle body (4) through threads.
4. The filament/tape 3D printing head with multi-stage heating and micro-puddle of claim 1, wherein: and a wear-resistant ring (6) is arranged in the feeding cavity.
5. The filament/tape 3D printing head with multi-stage heating and micro-puddle of claim 1, wherein: the spray head body (4) is connected with the outer cover (10), and a sealing gasket (9) is arranged between the spray head body (4) and the outer cover (10).
6. The filament/tape 3D printing head with multi-stage heating and micro-puddle of claim 5, wherein: the spray head body (4) is connected with the outer cover (10) through bolts (11).
7. The filament/tape 3D printing head with multi-stage heating and micro-puddle of claim 1, wherein: the diameter of the metal wire is 0.05 mm-10 mm filiform, and the sectional area of the metal strip is 0.01mm 2—100mm2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910556746.3A CN110125412B (en) | 2019-06-25 | 2019-06-25 | 3D prints shower nozzle with multistage heating and micro-molten pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910556746.3A CN110125412B (en) | 2019-06-25 | 2019-06-25 | 3D prints shower nozzle with multistage heating and micro-molten pool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110125412A CN110125412A (en) | 2019-08-16 |
| CN110125412B true CN110125412B (en) | 2024-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910556746.3A Active CN110125412B (en) | 2019-06-25 | 2019-06-25 | 3D prints shower nozzle with multistage heating and micro-molten pool |
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| Country | Link |
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| CN (1) | CN110125412B (en) |
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| KR20160107769A (en) * | 2015-03-05 | 2016-09-19 | 전남대학교산학협력단 | Exchangeable extruder for three dimensional printer |
| CN210098978U (en) * | 2019-06-25 | 2020-02-21 | 郑州轻工业学院 | 3D prints shower nozzle with multistage heating and little molten bath |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150126120A (en) * | 2014-05-02 | 2015-11-11 | 주식회사 스카이블루텍 | The material feeding device and method for 3d printer |
| CN105216334A (en) * | 2015-11-17 | 2016-01-06 | 李乾勇 | A kind of induction heater, 3D printer extruder |
| CN105499572B (en) * | 2016-01-05 | 2018-01-19 | 哈尔滨工程大学 | A kind of electromagnetic induction heating type 3D printer extrudes shower nozzle |
| CN205326301U (en) * | 2016-01-11 | 2016-06-22 | 郑州科技学院 | Water cooling 3D print head |
| CN106064477B (en) * | 2016-06-02 | 2017-05-31 | 北京易速普瑞科技有限公司 | A kind of fast changeable 3D printing shower nozzle |
| CN208682136U (en) * | 2018-08-29 | 2019-04-02 | 广州立铸电子科技有限公司 | A kind of high temperature 3D printing head |
-
2019
- 2019-06-25 CN CN201910556746.3A patent/CN110125412B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160107769A (en) * | 2015-03-05 | 2016-09-19 | 전남대학교산학협력단 | Exchangeable extruder for three dimensional printer |
| CN105216333A (en) * | 2015-11-16 | 2016-01-06 | 陈志敏 | A kind of three-dimensional printer liquid extruding system and its implementation |
| CN210098978U (en) * | 2019-06-25 | 2020-02-21 | 郑州轻工业学院 | 3D prints shower nozzle with multistage heating and little molten bath |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110125412A (en) | 2019-08-16 |
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