CN113787712A - Split type FDM type 3D printer nozzle system - Google Patents
Split type FDM type 3D printer nozzle system Download PDFInfo
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- CN113787712A CN113787712A CN202111282806.0A CN202111282806A CN113787712A CN 113787712 A CN113787712 A CN 113787712A CN 202111282806 A CN202111282806 A CN 202111282806A CN 113787712 A CN113787712 A CN 113787712A
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- assembly
- hole
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- throat
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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
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/295—Heating elements
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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
- B29C64/35—Cleaning
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- 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
-
- 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
Abstract
The invention discloses a split type FDM type 3D printer nozzle system which comprises a nozzle assembly, wherein the nozzle assembly is connected to the lower end of a heating device through a threaded structure, the upper end of the heating device is connected to the lower end of a throat pipe assembly through the threaded structure, the upper end of the throat pipe assembly is connected with a radiating assembly, the upper end of the radiating assembly is connected with a material guide connector through the threaded structure, and a material wire sequentially penetrates through the material guide connector, the radiating assembly, the throat pipe assembly, the heating device and an inner hole of the nozzle assembly. The invention can conveniently clean the residual material blocking the material extruding hole on the part, thereby effectively reducing the production cost and the labor intensity; the split type structure can change the size of the 3D printing nozzle system in the Z-axis direction by adjusting the number of the third assemblies, and can adapt to the requirements of materials with different extrusion diameters by replacing nozzles with different first extrusion hole sizes.
Description
Technical Field
The invention belongs to the technical field of 3D printing, and particularly relates to a split type FDM type 3D printer nozzle system.
Background
When the FDM type 3D printer is used, a nozzle is blocked frequently. The reason is that firstly, the residual materials in the nozzle aperture are not cleaned in time after the printing work is finished, so that the residual materials are solidified to cause blockage, secondly, when the extruder feeds materials, the wires are broken and clamped in the throat, thirdly, the impurities of the wires expand in volume when being heated and melted or cannot be melted, the smooth wire discharge of the nozzle is influenced, and fourthly, the molten wires form residues on the inner wall of the nozzle aperture to block the nozzle. When the nozzle is blocked, the problem can be solved by directly replacing a new nozzle, but the cost of 3D printing is increased, and methods such as high-temperature ablation, acetone digestion or manual cleaning by using a special tool can be selected, so that the method is time-consuming, labor-consuming, difficult to operate and environment-friendly.
To solve the problem of nozzle clogging, a person skilled in the art has made a great deal of research work. The utility model discloses a chinese utility model patent of application number 201620775850.3 discloses a clean mechanism of 3D printing nozzle utilizes the mounting to install the wiper that is provided with clean hole on the 3D printer, removes the nozzle and makes it insert clean hole, plays through the pore wall contact friction with clean hole and cleans clear effect. The utility model discloses a chinese utility model patent of application number 201820541686.9 discloses a 3D printer with nozzle clearance function can utilize mobile device drive 3D print head for nozzle contact scraper realizes forward and reverse secondary clearance. The Chinese patent application No. 201810678306.0 discloses a 3D printer with nozzle cleaning and purifying functions, wherein a moving assembly can be used for driving a cleaning assembly to move the cleaning assembly to the lower part of a printing head, then a starting motor is used for driving a sliding block to be close to the printing head, so that a cleaning block is tightly attached to the printing head, and then a rotating assembly is controlled to clean residual materials attached to the printing head. However, none of the three cleaning methods can effectively solve the problem of blockage in the aperture of the nozzle, and the space occupied by the 3D printer is increased. The Chinese patent application No. 202010344233.9 discloses an automatic cleaning device for a printing nozzle for 3D printing, which is characterized in that a gear rack is matched with a driving reel to rotate, a suspension wire is wound and lifted, a steel wire is inserted into a spray hole, the blocked glue wire is cleaned, then the suspension wire is released, the nozzle is immersed in cleaning liquid, and the glue wire remained in the spray hole is cleaned. Although the method saves labor cost and reduces the danger of cleaning work, the method still has the problems of low cleaning efficiency and incomplete cleaning. The utility model discloses a chinese utility model patent of application number 201921895926.6 discloses a clean nozzle for 3D prints, and this nozzle utilizes stationary blade and welding piece to be connected with other structures, can prevent heat-conduction effectively, guarantees the temperature of copper nozzle for macromolecular material is difficult for bonding on the nozzle. In addition, the stop block is arranged in the aperture of the nozzle, so that the material can be effectively prevented from dropping. Although the structural design of the nozzle can effectively solve the problems of bonding and dripping of the high polymer material, the risk of blockage phenomenon in the aperture of the nozzle is obviously increased.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problem solved by the invention is to provide the split type FDM type 3D printer nozzle system, which can realize the quick installation and disassembly of the nozzle, can be conveniently disassembled to clean residual materials in the inner hole of the nozzle, effectively prolongs the service life of the nozzle, and reduces the production cost and the labor intensity.
In order to solve the technical problems, the invention is realized by the following technical scheme: the invention provides a split type FDM type 3D printer nozzle system which comprises a nozzle assembly, wherein the nozzle assembly is connected to the lower end of a heating device through a threaded structure, the upper end of the heating device is connected to the lower end of a throat pipe assembly through the threaded structure, the upper end of the throat pipe assembly is connected with a radiating assembly, the upper end of the radiating assembly is connected with a material guide connector through the threaded structure, and a material wire sequentially penetrates through the material guide connector, the radiating assembly, the throat pipe assembly, the heating device and inner holes of the nozzle assembly.
Optionally, the nozzle assembly comprises a nozzle, a first assembly, a second assembly, a third assembly, a fourth assembly and a fifth assembly which are sequentially connected from bottom to top, the nozzle is provided with a first internal thread, a first attachment surface is arranged at the bottom end of the first internal thread, a first material extruding hole is arranged below the middle of the first attachment surface, and a first outer hexagonal structure is arranged on the outer side of the nozzle; the first internal thread on the nozzle is matched with the first external thread on the first component; the first limiting surface on the first component is attached to the first attaching surface on the nozzle; a first sealing groove is formed in the first limiting surface, and a first sealing ring is installed in the first sealing groove; the second extrusion hole on the first component and the first extrusion hole on the nozzle are coaxially arranged; the second assembly is arranged in the cylindrical hole on the first assembly, the third assembly is arranged in the cylindrical hole on the first assembly, the through hole on the third assembly is coaxially arranged with the through hole on the first assembly, and the fourth extruding hole on the third assembly is coaxially arranged with the inner hole of the second assembly and the second extruding hole on the first assembly; the fourth component is arranged on the cylindrical hole of the third component, and the fifth component is arranged on the fourth component; a second threaded hole is formed in the fifth assembly, a second sealing groove is formed in the bottom end of the second threaded hole, and a second sealing ring is installed in the second sealing groove; the sixth material extruding hole on the fifth component and the fifth material extruding hole on the fourth component are coaxially arranged; the bolt assembly respectively penetrates through a first counter bore on the fifth assembly, a through hole on the fourth assembly, a through hole on the third assembly and a through hole on the first assembly to connect the first assembly, the third assembly, the fourth assembly and the fifth assembly together; the first screw penetrates through a second countersunk hole in the fifth component, and the fifth component is connected to the heating device through a threaded hole in the end face of the heating device.
Furthermore, the heating device comprises a heating block, and a cylindrical hole is formed in the center of the heating block; one side of the heating block is provided with a mounting hole, and the heating rod is inserted into the mounting hole; and a threaded hole is formed in the outer cylindrical surface of the heating block, and the fastening screw fixes the heating rod through the threaded hole.
Optionally, the throat pipe assembly comprises a throat pipe, and a polytetrafluoroethylene pipe is installed in a cylindrical hole of the throat pipe; rotating a second external hexagonal structure on the throat pipe to enable second external threads on the throat pipe to be matched with second threaded holes on the fifth component until one end, close to the second external threads, on the throat pipe is attached to the bottom end of the second threaded hole on the fifth component; and an inner hole of the polytetrafluoroethylene tube is coaxially arranged with a sixth extrusion hole on the fifth component.
Furthermore, the radiating assembly comprises a radiating pipe, and a third sealing ring is arranged at one end of the radiating pipe, which is in contact with the throat pipe; the pressure plate utilizes a second screw to install the radiating pipe on one end of the throat pipe far away from the second external thread.
Therefore, the split FDM type 3D printing nozzle system can be rapidly split into the nozzle, the first assembly, the second assembly, the third assembly, the fourth assembly, the fifth assembly and other parts by using a common tool, and then residual materials blocking the material extruding hole on the parts are conveniently cleaned, so that the production cost and the labor intensity are effectively reduced. The split type structure can change the size of the 3D printing nozzle system in the Z-axis direction by adjusting the number of the third assemblies, and can adapt to the requirements of materials with different extrusion diameters by replacing nozzles with different first extrusion hole sizes.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following detailed description is given in conjunction with the preferred embodiments, together with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
Fig. 1 is a schematic front view of a nozzle system of a split FDM type 3D printer of the present invention;
FIG. 2 is a schematic top view of the nozzle system of the split FDM type 3D printer of the present invention;
FIG. 3 is a schematic structural view of a nozzle assembly of the present invention;
FIG. 4 is a schematic front view of the nozzle of the present invention;
FIG. 5 is a schematic top view of the nozzle of the present invention;
FIG. 6 is a schematic structural view of a first assembly of the present invention;
FIG. 7 is a schematic structural view of a third assembly of the present invention;
FIG. 8 is a schematic structural view of a fifth assembly of the present invention;
FIG. 9 is a schematic view of the heating apparatus of the present invention;
FIG. 10 is a schematic front view of a heating block of the present invention;
FIG. 11 is a schematic top view of a heating block of the present invention;
FIG. 12 is a schematic view of the throat assembly and heat sink assembly of the present invention;
FIG. 13 is a schematic view of the structure of the throat of the present invention.
Detailed Description
Other aspects, features and advantages of the present invention will become apparent from the following detailed description, taken in conjunction with the accompanying drawings, which form a part of this specification, and which illustrate, by way of example, the principles of the invention. In the referenced drawings, the same or similar components in different drawings are denoted by the same reference numerals.
As shown in fig. 1 and 2, the split FDM type 3D printer nozzle system of the present invention includes a nozzle assembly 1, the nozzle assembly 1 is connected to the lower end of a heating device 2 by a screw structure, the upper end of the heating device 2 is connected to the lower end of a throat assembly 3 by a screw structure, the upper end of the throat assembly 3 is connected to a heat dissipation assembly 4, the upper end of the heat dissipation assembly 4 is connected to a material guiding joint 5 by a screw structure, and a material wire 6 sequentially passes through the material guiding joint 5, the heat dissipation assembly 4, the throat assembly 3, the heating device 2 and an inner hole of the nozzle assembly 1.
As shown in fig. 3-8, a nozzle assembly 1 of the present invention includes a nozzle 1-1, a first assembly 1-2, a second assembly 1-3, a third assembly 1-4, a fourth assembly 1-5, and a fifth assembly 1-6, which are sequentially connected from bottom to top, the nozzle 1-1 has a first internal thread 1-1-1, a first attachment surface 1-1-2 is disposed at a bottom end of the first internal thread 1-1-1, a first extrusion hole 1-1-3 is disposed below a middle of the first attachment surface 1-1-2, and a first hexagonal structure 1-1-4 is disposed outside the nozzle 1-1. The first internal thread 1-1-1 on the nozzle 1-1 cooperates with the first external thread 1-2-1 on the first component 1-2. A first limiting surface 1-2-7 on the first component 1-2 is jointed with a first jointing surface 1-1-2 on the nozzle 1-1; a first sealing groove 1-2-2 is arranged on the first limiting surface 1-2-7, and a first sealing ring 1-7 is arranged in the first sealing groove 1-2-2; the second extrusion hole 1-2-6 on the first component 1-2 is coaxially arranged with the first extrusion hole 1-1-3 on the nozzle 1-1.
The second component 1-3 is arranged in a cylindrical hole 1-2-4 on the first component 1-2, the third component 1-4 is arranged in a cylindrical hole 1-2-5 on the first component 1-2, a through hole 1-4-1 on the third component 1-4 is coaxially arranged with the through hole 1-2-3 on the first component 1-2, and a fourth extruding hole 1-4-2 on the third component 1-4 is coaxially arranged with an inner hole of the second component 1-3 and a second extruding hole 1-2-6 on the first component 1-2. The fourth component 1-5 is arranged on the cylindrical hole 1-4-3 of the third component 1-4, and the fifth component 1-6 is arranged on the fourth component 1-5; a second threaded hole 1-6-3 is formed in the fifth component 1-6, a second sealing groove 1-6-4 is formed in the bottom end of the second threaded hole 1-6-3, and a second sealing ring 1-10 is installed in the second sealing groove 1-6-4. The sixth extrusion hole 1-6-5 on the fifth component 1-6 and the fifth extrusion hole on the fourth component 1-5 are coaxially arranged. The bolt assemblies 1-9 respectively penetrate through the first counter bores 1-6-2 on the fifth assemblies 1-6, the fourth assemblies 1-5, the through holes 1-4-1 on the third assemblies 1-4 and the through holes 1-2-3 on the first assemblies 1-2, and the first assemblies 1-2, the third assemblies 1-4, the fourth assemblies 1-5 and the fifth assemblies 1-6 are connected together. The first screws 1-8 pass through the second counter bored holes 1-6-1 in the fifth modules 1-6 and connect the fifth modules 1-6 to the heating unit 2 through the threaded holes 2-1-4 in the end face of the heating unit 2.
As shown in fig. 9 to 11, the heating apparatus 2 of the present invention includes a heating block 2-1, the heating block 2-1 having a cylindrical hole 2-1-1 formed at the center thereof; one side of the heating block 2-1 is provided with a mounting hole 2-1-2, and the heating rod 2-2 is inserted into the mounting hole 2-1-2; the outer cylindrical surface of the heating block 2-1 is provided with a threaded hole 2-1-3, and a set screw 2-3 fixes the heating rod 2-2 through the threaded hole 2-1-3.
As shown in fig. 12 and 13, the throat assembly 3 of the present invention comprises a throat 3-1, and a polytetrafluoroethylene tube 3-2 is installed in a cylindrical hole 3-1-3 of the throat 3-1; and rotating the second external hexagonal structure 3-1-2 on the throat pipe 3-1 to enable the second external thread 3-1-1 on the throat pipe 3-1 to be matched with the second threaded hole 1-6-3 on the fifth component 1-6 until one end of the throat pipe 3-1, close to the second external thread 3-1-1, is attached to the bottom end of the second threaded hole 1-6-3 on the fifth component 1-6. The inner hole of the polytetrafluoroethylene tube 3-2 is coaxially arranged with the sixth extrusion hole 1-6-5 on the fifth component 1-6.
As shown in fig. 12, the heat dissipating module 4 of the present invention includes a heat dissipating pipe 4-1, and a third sealing ring 4-4 is installed at one end of the heat dissipating pipe 4-1 contacting with the throat pipe 3-1; the pressing plate 4-2 mounts the radiating pipe 4-1 on the end of the throat pipe 3-1 far from the second external thread 3-1-1 by means of the second screw 4-3.
While the foregoing is directed to the preferred embodiment of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (5)
1. The utility model provides a split type FDM type 3D printer nozzle system which characterized in that: the improved nozzle assembly is characterized by comprising a nozzle assembly, wherein the nozzle assembly is connected to the lower end of a heating device through a threaded structure, the upper end of the heating device is connected to the lower end of a throat pipe assembly through a threaded structure, the upper end of the throat pipe assembly is connected with a heat dissipation assembly, the upper end of the heat dissipation assembly is connected with a material guide connector through a threaded structure, and a material wire sequentially penetrates through inner holes of the material guide connector, the heat dissipation assembly, the throat pipe assembly, the heating device and the nozzle assembly.
2. The split type FDM type 3D printer nozzle system of claim 1, wherein the nozzle assembly includes a nozzle, a first assembly, a second assembly, a third assembly, a fourth assembly, and a fifth assembly that are connected in this order from bottom to top, the nozzle has a first internal thread, a first abutting surface is provided at a bottom end of the first internal thread, a first material extruding hole is provided below a middle of the first abutting surface, and a first external hexagonal structure is provided outside the nozzle; the first internal thread on the nozzle is matched with the first external thread on the first component; the first limiting surface on the first component is attached to the first attaching surface on the nozzle; a first sealing groove is formed in the first limiting surface, and a first sealing ring is installed in the first sealing groove; the second extrusion hole on the first component and the first extrusion hole on the nozzle are coaxially arranged;
the second assembly is arranged in the cylindrical hole on the first assembly, the third assembly is arranged in the cylindrical hole on the first assembly, the through hole on the third assembly is coaxially arranged with the through hole on the first assembly, and the fourth extruding hole on the third assembly is coaxially arranged with the inner hole of the second assembly and the second extruding hole on the first assembly; the fourth component is arranged on the cylindrical hole of the third component, and the fifth component is arranged on the fourth component; a second threaded hole is formed in the fifth assembly, a second sealing groove is formed in the bottom end of the second threaded hole, and a second sealing ring is installed in the second sealing groove; the sixth material extruding hole on the fifth component and the fifth material extruding hole on the fourth component are coaxially arranged; the bolt assembly respectively penetrates through a first counter bore on the fifth assembly, a through hole on the fourth assembly, a through hole on the third assembly and a through hole on the first assembly to connect the first assembly, the third assembly, the fourth assembly and the fifth assembly together; the first screw penetrates through a second countersunk hole in the fifth component, and the fifth component is connected to the heating device through a threaded hole in the end face of the heating device.
3. The split FDM type 3D printer nozzle system of claim 2 wherein the heating means comprises a heating block having a cylindrical hole centrally located therein; one side of the heating block is provided with a mounting hole, and the heating rod is inserted into the mounting hole; and a threaded hole is formed in the outer cylindrical surface of the heating block, and the fastening screw fixes the heating rod through the threaded hole.
4. The split FDM type 3D printer nozzle system of claim 3 in which the throat assembly comprises a throat with a ptfe tube mounted within a cylindrical bore of the throat; rotating a second external hexagonal structure on the throat pipe to enable second external threads on the throat pipe to be matched with second threaded holes on the fifth component until one end, close to the second external threads, on the throat pipe is attached to the bottom end of the second threaded hole on the fifth component;
and an inner hole of the polytetrafluoroethylene tube is coaxially arranged with a sixth extrusion hole on the fifth component.
5. The split type FDM type 3D printer nozzle system of claim 4 wherein the heat sink assembly includes a heat sink tube, and a third seal ring is installed at an end of the heat sink tube contacting the throat tube; the pressure plate utilizes a second screw to install the radiating pipe on one end of the throat pipe far away from the second external thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111282806.0A CN113787712B (en) | 2021-11-01 | 2021-11-01 | Split type FDM type 3D printer nozzle system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111282806.0A CN113787712B (en) | 2021-11-01 | 2021-11-01 | Split type FDM type 3D printer nozzle system |
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| Publication Number | Publication Date |
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| CN113787712A true CN113787712A (en) | 2021-12-14 |
| CN113787712B CN113787712B (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111282806.0A Active CN113787712B (en) | 2021-11-01 | 2021-11-01 | Split type FDM type 3D printer nozzle system |
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| US20190061241A1 (en) * | 2017-08-29 | 2019-02-28 | Magzero Llc | Three dimensional printer system |
| CN110815811A (en) * | 2019-12-16 | 2020-02-21 | 锐力斯传动系统（苏州）有限公司 | Novel Dragon Hotend printing head for 3D printer |
| CN212795900U (en) * | 2020-07-10 | 2021-03-26 | 深圳市纵维立方科技有限公司 | Multi-nozzle extrusion device and printing equipment |
| CN112706403A (en) * | 2020-12-10 | 2021-04-27 | 芜湖市爱三迪电子科技有限公司 | 3D printer discharge mechanism convenient to dismantle and maintain |
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2021
- 2021-11-01 CN CN202111282806.0A patent/CN113787712B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170182709A1 (en) * | 2015-12-29 | 2017-06-29 | Western Digital Technologies, Inc. | Dual head extruder for three-dimensional additive printer |
| CN206374203U (en) * | 2016-12-22 | 2017-08-04 | 广州紫苑智能科技有限公司 | 3 D-printing head and the three-dimensional printer provided with the 3 D-printing head |
| EP3381658A1 (en) * | 2017-03-27 | 2018-10-03 | XYZprinting, Inc. | Three-dimensional printing nozzle structure |
| CN106915075A (en) * | 2017-03-30 | 2017-07-04 | 西京学院 | A kind of fusion sediment type 3D printer shower nozzle cooling device |
| CN206825919U (en) * | 2017-06-07 | 2018-01-02 | 东莞远铸智能科技有限公司 | Printhead and printer |
| CN207240855U (en) * | 2017-07-21 | 2018-04-17 | 昆山博力迈三维打印科技有限公司 | A kind of internal heat type 3D printing head |
| US20190061241A1 (en) * | 2017-08-29 | 2019-02-28 | Magzero Llc | Three dimensional printer system |
| CN208376018U (en) * | 2018-04-23 | 2019-01-15 | 广州迈普再生医学科技股份有限公司 | A kind of 3D printing spray head that more barrel single injectors squeeze out |
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| CN112706403A (en) * | 2020-12-10 | 2021-04-27 | 芜湖市爱三迪电子科技有限公司 | 3D printer discharge mechanism convenient to dismantle and maintain |
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|---|---|
| CN113787712B (en) | 2023-03-21 |
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