CN111941832A - Five fused deposition 3D printers - Google Patents
Five fused deposition 3D printers Download PDFInfo
- Publication number
- CN111941832A CN111941832A CN202010877001.XA CN202010877001A CN111941832A CN 111941832 A CN111941832 A CN 111941832A CN 202010877001 A CN202010877001 A CN 202010877001A CN 111941832 A CN111941832 A CN 111941832A
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- driving mechanism
- gear box
- axis
- rotary driving
- printer
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
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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
- B29C64/227—Driving means
- B29C64/241—Driving means for rotary motion
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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
- B29C64/245—Platforms or substrates
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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
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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 five-axis fused deposition 3D printer. The device comprises a rack (1), wherein a discharging mechanism (2) capable of translating along x and y axes is arranged at the top of the rack (1), a workbench component (3) is arranged below the discharging mechanism (2), and the workbench component (3) is connected with a vertical-movement driving mechanism (4) capable of driving the workbench component to translate along the z axis; workstation subassembly (3) including print table (31), print table (31) through link (32) with can drive print table (31) around the rotatory rotary driving mechanism (33) of x axle and/or y axle and be connected, rotary driving mechanism (33) are connected with plummer (34), plummer (34) with erect move actuating mechanism (4) and be connected. The invention solves the problem that an additional supporting structure needs to be created on the suspension structure of the traditional FDM printer, and has simple and compact structure and low cost.
Description
Technical Field
The invention relates to the field of 3D printing and manufacturing, in particular to a five-axis fused deposition 3D printer.
Background
FDM (fused deposition) printing technology was first developed in the late 20 th century 80 s, uses thermally-assisted means to build polymer filaments into 3D parts layer by layer, and has been widely used in the fields of casting, tissue engineering, optics, microfluidics, antenna design, food production, and electronics. Fused Deposition (FDM) 3D printers have become popular in the market due to their affordable price, and are desktop-level 3D printers. Conventional 3D printing techniques generate objects and parts layer by depositing material along the Z-axis. However, the traditional FDM printing model requires the creation of additional support structures when overhead structures are involved in the printing process. Furthermore, the creation of a model of such a support structure requires more material, longer printing times and post-processing (stripping the support structure and cleaning or polishing the part surface).
Disclosure of Invention
The invention aims to provide a five-axis fused deposition 3D printer. The invention solves the problem that an additional supporting structure needs to be created on the suspension structure of the traditional FDM printer, and has simple and compact structure and low cost.
The technical scheme of the invention is as follows: a five-axis fused deposition 3D printer comprises a rack, wherein a discharging mechanism capable of translating along x and y axes is arranged at the top of the rack, a workbench assembly is arranged below the discharging mechanism, and the workbench assembly is connected with a vertical translation driving mechanism capable of driving the workbench assembly to translate along the z axis; the workbench component comprises a printing workbench, the printing workbench is connected with a rotary driving mechanism capable of driving the printing workbench to rotate around an x axis and/or a y axis through a connecting frame, the rotary driving mechanism is connected with a bearing table, and the bearing table is connected with a vertical movement driving mechanism.
In the five-axis fused deposition 3D printer, the rotary driving mechanism comprises a gear box, a worm shaft is arranged in the gear box, two ends of the worm shaft are rotatably connected with the gear box, and one end of the worm shaft sequentially penetrates through the gear box and a bearing seat i arranged on the bearing table to be connected with a rotary driving motor assembly i; a transmission shaft is further arranged in the extending direction of the other end of the worm shaft, one end of the transmission shaft is fixedly connected with the gear box, and the other end of the transmission shaft penetrates through a bearing seat II arranged on the bearing platform to be connected with a rotary driving motor assembly II; the rotary driving motor component I and the rotary driving motor component II are fixedly arranged on the bearing table; the worm shaft is further meshed with a turbine gear, the turbine is connected with a turbine shaft, two ends of the turbine shaft are rotatably connected with the gear box, and two ends of the turbine shaft penetrate through the gear box and are connected with the connecting frame.
In the five-axis fused deposition 3D printer, the discharge mechanism comprises a printing nozzle, the printing nozzle is connected with the translation driving mechanism, and the printing nozzle is further connected with the extrusion mechanism fixedly arranged on the rack through a conveying pipe.
In the five-axis fused deposition 3D printer, two independent printing nozzles are arranged on the translation driving mechanism.
In the five-axis fused deposition 3D printer, the printing workbench comprises a heat bed, a heat bed support plate is arranged below the heat bed, the heat bed is connected with the heat bed support plate through a butterfly nut, and a spring is further sleeved on the butterfly nut between the heat bed and the heat bed support plate; the hot bed supporting plate is connected with the connecting frame.
In the five-axis fused deposition 3D printer, the vertical movement driving mechanism comprises a vertical movement driving motor, the vertical movement driving motor is connected with a vertical screw rod, the screw rod is connected with a bearing table through a screw rod nut, and the bearing table is further connected with a vertical guide rail assembly in a sliding mode.
Advantageous effects
Compared with the prior art, the printing workbench of the workbench component is connected with the rotary driving mechanism capable of driving the printing workbench to rotate around the x axis and/or the y axis through the connecting frame; the structure can increase two degrees of freedom of rotation around x and y of a printing workbench of the 3D printer, so that five-axis linkage of the 3D printer is realized; through the structure, the problem that an additional supporting structure needs to be created when a traditional FDM printer slices/models a suspended structure is solved, and therefore the complexity of the modeling/slicing process is simplified. In addition, because of need not to generate extra bearing structure, improved the part quality of printing unsettled structure, saved the material, shortened the printing time, simplified the post processing technology, finally reduced the printing cost, promoted printing efficiency.
According to the invention, a worm shaft is rotatably connected with a gear box, and one end of the worm shaft extends out of the gear box and a rotary driving motor assembly I; a transmission shaft is arranged at the other end of the worm shaft in the extending direction, one end of the transmission shaft is fixedly connected with a gear box, and the other end of the transmission shaft is connected with a rotary driving motor assembly II; in addition, two ends of a turbine shaft for supporting the turbine extend out of the gear box and are connected with the connecting frame; the structure can drive the printing workbench to rotate around an x axis and/or a y axis through the rotary driving motor assemblies I and II; in addition, its simple structure, compactness can not increase the volume of 3D printer, structurally is favorable to the transformation to traditional 3D printer simultaneously, and is with low costs, does benefit to and uses widely.
The invention adopts two independent printing nozzles on the discharging mechanism; through this structure, can cooperate the rotatory double-colored model that prints more complicacy of print table to designed long-range extruding means, installed long-range extruding means in the frame, realized extruder and shower nozzle separation, can alleviate the heavy burden of double spray, reduce the impact of marcing, can also conveniently dismantle the maintenance.
In conclusion, the invention solves the problem that an additional supporting structure needs to be established on the suspension structure of the traditional FDM printer, and has the advantages of simple and compact structure and low cost.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a right side view of FIG. 2;
FIG. 4 is a top view of FIG. 2;
fig. 5 is a schematic structural view of the rotation driving mechanism.
The labels in the figures are:
1-a frame;
2-a discharging mechanism, 21-a printing nozzle, 22-a translation driving mechanism, 23-a material conveying pipe and 24-an extruding mechanism;
3-a workbench component, 31-a printing workbench, 311-a heating bed, 312-a heating bed supporting plate, 313-a butterfly nut, 314-a spring, 32-a connecting frame, 33-a rotary driving mechanism, 331-a gear box, 332-a worm shaft, 333-a rotary driving motor component I, 334-a transmission shaft, 335-a rotary driving motor component II, 336-a turbine, 337-a turbine shaft, 34-a bearing table, 341-a bearing seat I, 342-a bearing seat II;
4-vertical movement driving mechanism, 41-vertical movement driving motor, 42-screw rod, 43-screw rod nut and 44-vertical guide rail assembly.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Examples are given. A five-axis fused deposition 3D printer is shown in figures 1-5 and comprises a frame 1, wherein a discharging mechanism 2 capable of translating along x and y axes is arranged at the top of the frame 1, a workbench assembly 3 is arranged below the discharging mechanism 2, and the workbench assembly 3 is connected with a vertical movement driving mechanism 4 capable of driving the workbench assembly to translate along z axis; the workbench component 3 comprises a printing workbench 31, the printing workbench 31 is connected with a rotary driving mechanism 33 capable of driving the printing workbench 31 to rotate around an x axis and/or a y axis through a connecting frame 32, the rotary driving mechanism 33 is connected with a bearing table 34, and the bearing table 34 is connected with a vertical movement driving mechanism 4.
When five fused deposition 3D printers printed, the printing consumables were driven through discharge mechanism 2 and the feed forward to material heating aluminium pig heating reached molten state, and the molten material was sprayed work by discharge mechanism 2 and is printed the cooling shaping on the workstation 31. Meanwhile, the discharging mechanism 2 can accurately move in the x and y directions; the printing table 31 is driven by a rotary drive mechanism 33 to rotate around the x-axis and/or the y-axis; the printing workbench 31 is also driven by the vertical movement driving mechanism 4 to translate along the z axis; thus, 5-axis linkage printing of the model is realized.
The rotary driving mechanism 33 comprises a gear box 331, a worm shaft 332 is arranged in the gear box 331, two ends of the worm shaft 332 are rotatably connected with the gear box 331, and one end of the worm shaft 332 sequentially penetrates through the gear box and a bearing seat I341 arranged on the bearing table 34 to be connected with a rotary driving motor assembly I333; a transmission shaft 334 is further arranged in the extending direction of the other end of the worm shaft 332, one end of the transmission shaft 334 is fixedly connected (fixed by a bolt) with the gear box 331, and the other end of the transmission shaft 334 passes through a bearing seat II 342 arranged on the bearing table 34 and is connected with a rotary driving motor assembly II 335; the rotary driving motor component I333 and the rotary driving motor component II 335 are fixedly arranged on the bearing table 34; the worm shaft 332 is further in gear engagement with a turbine 336, the turbine 336 is connected with a turbine shaft 337 (can be connected through a flat key), two ends of the turbine shaft 337 are rotatably connected with the gear case 331, and two ends of the turbine shaft 337 are connected with the connecting frame 32 through the gear case.
The process of the rotary drive mechanism 33 driving the printing table 31 to rotate about the x-axis is as follows: the rotary driving motor component II 335 drives the gear box 331 to rotate through the transmission shaft 334, and further drives the printing workbench 31 to rotate around the x axis;
the process of the rotation driving mechanism 33 driving the printing table 31 to rotate about the y-axis is as follows: the rotation driving motor assembly i 333 drives the worm shaft 332 to rotate, and the worm shaft 332 drives the printing table 31 to rotate around the y-axis under the linkage of the worm wheel 336.
The discharging mechanism 2 includes a printing nozzle 21, the printing nozzle 21 is connected to a translational driving mechanism 22, and the printing nozzle 21 is further connected to an extruding mechanism 24 fixed on the frame 1 through a material conveying pipe 23. With this configuration, the load of the print head 21 during movement is reduced, and the impact during start and stop is reduced. The translation driving mechanism 22 of the printing nozzle 21 in the invention can be a conventional synchronous belt motion actuating mechanism.
Drive the printing consumables forward feed through extrusion mechanism 24, the material reaches the molten state through the heating aluminium pig heating in the print head 21, and extrusion mechanism 24 promotes follow-up material and continues the feeding, and then extrudees the nozzle ejection of compact of molten material through print head 21, and the material cools off the shaping on print table 31.
The translation driving mechanism 22 is provided with two independent print heads 21.
The printing workbench 31 comprises a heating bed 311, a heating bed support plate 312 is arranged below the heating bed 311, the heating bed 311 is connected with the heating bed support plate 312 through a butterfly nut 313, a spring 314 is further sleeved on the butterfly nut 313 between the heating bed 311 and the heating bed support plate 312, and the heating bed 311 can be leveled through the butterfly nut 313; the hot bed support plate 312 is connected to the connecting frame 32. Specifically, the molten material is cooled and formed on the hot bed 311.
The vertical movement driving mechanism 4 comprises a vertical movement driving motor 41, the vertical movement driving motor 41 is connected with a vertical lead screw 42, the lead screw 42 is connected with the bearing platform 34 through a lead screw nut 43, and the bearing platform 34 is further connected with a vertical guide rail assembly 44 in a sliding manner.
The vertical movement mechanism 4 is driven to vertically move, wherein the vertical movement driving motor 41 drives the lead screw 42 to rotate, and the bearing platform 34 is driven to vertically slide along the vertical guide rail assembly 44 under the action of the lead screw pair.
Claims (6)
1. The utility model provides a five fused deposition 3D printers which characterized in that: the device comprises a rack (1), wherein a discharging mechanism (2) capable of translating along x and y axes is arranged at the top of the rack (1), a workbench component (3) is arranged below the discharging mechanism (2), and the workbench component (3) is connected with a vertical-movement driving mechanism (4) capable of driving the workbench component to translate along the z axis; workstation subassembly (3) including print table (31), print table (31) through link (32) with can drive print table (31) around the rotatory rotary driving mechanism (33) of x axle and/or y axle and be connected, rotary driving mechanism (33) are connected with plummer (34), plummer (34) with erect move actuating mechanism (4) and be connected.
2. The five-axis fused deposition 3D printer of claim 1, wherein: the rotary driving mechanism (33) comprises a gear box (331), a worm shaft (332) is arranged in the gear box (331), two ends of the worm shaft (332) are rotatably connected with the gear box (331), and meanwhile, one end of the worm shaft (332) sequentially penetrates through the gear box and a bearing seat I (341) arranged on the bearing platform (34) to be connected with a rotary driving motor assembly I (333); a transmission shaft (334) is further arranged in the extending direction of the other end of the worm shaft (332), one end of the transmission shaft (334) is fixedly connected with the gear box (331), and the other end of the transmission shaft (334) penetrates through a bearing seat II (342) arranged on the bearing table (34) to be connected with a rotary driving motor assembly II (335); the rotary driving motor component I (333) and the rotary driving motor component II (335) are fixedly arranged on the bearing table (34); the worm shaft (332) is further meshed with a turbine (336) in a gear mode, the turbine (336) is connected with a turbine shaft (337), two ends of the turbine shaft (337) are rotatably connected with the gear box (331), and meanwhile two ends of the turbine shaft (337) penetrate through the gear box and are connected with the connecting frame (32).
3. The five-axis fused deposition 3D printer of claim 1, wherein: the discharging mechanism (2) comprises a printing nozzle (21), the printing nozzle (21) is connected with a translation driving mechanism (22), and the printing nozzle (21) is further connected with an extruding mechanism (24) fixedly arranged on the rack (1) through a conveying pipe (23).
4. The five-axis fused deposition 3D printer of claim 3, wherein: the translation driving mechanism (22) is provided with two independent printing nozzles (21).
5. The five-axis fused deposition 3D printer of claim 1, wherein: the printing workbench (31) comprises a hot bed (311), a hot bed supporting plate (312) is arranged below the hot bed (311), the hot bed (311) is connected with the hot bed supporting plate (312) through a butterfly nut (313), and a spring (314) is sleeved on the butterfly nut (313) between the hot bed (311) and the hot bed supporting plate (312); the hot bed supporting plate (312) is connected with the connecting frame (32).
6. The five-axis fused deposition 3D printer of claim 1, wherein: the vertical movement driving mechanism (4) comprises a vertical movement driving motor (41), the vertical movement driving motor (41) is connected with a vertical lead screw (42), the lead screw (42) is connected with the bearing platform (34) through a lead screw nut (43), and the bearing platform (34) is further connected with a vertical guide rail assembly (44) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010877001.XA CN111941832A (en) | 2020-08-27 | 2020-08-27 | Five fused deposition 3D printers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010877001.XA CN111941832A (en) | 2020-08-27 | 2020-08-27 | Five fused deposition 3D printers |
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| Publication Number | Publication Date |
|---|---|
| CN111941832A true CN111941832A (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010877001.XA Pending CN111941832A (en) | 2020-08-27 | 2020-08-27 | Five fused deposition 3D printers |
Country Status (1)
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| CN (1) | CN111941832A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622260A (en) * | 2020-12-01 | 2021-04-09 | 合肥工业大学 | Five-axis silica gel 3D printer and printing method thereof |
| CN112873137A (en) * | 2020-12-29 | 2021-06-01 | 北京半导体专用设备研究所（中国电子科技集团公司第四十五研究所） | Stripping workbench |
-
2020
- 2020-08-27 CN CN202010877001.XA patent/CN111941832A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622260A (en) * | 2020-12-01 | 2021-04-09 | 合肥工业大学 | Five-axis silica gel 3D printer and printing method thereof |
| CN112622260B (en) * | 2020-12-01 | 2022-09-23 | 合肥工业大学 | Five-axis silica gel 3D printer and printing method thereof |
| CN112873137A (en) * | 2020-12-29 | 2021-06-01 | 北京半导体专用设备研究所（中国电子科技集团公司第四十五研究所） | Stripping workbench |
| CN112873137B (en) * | 2020-12-29 | 2022-11-04 | 北京半导体专用设备研究所（中国电子科技集团公司第四十五研究所） | Stripping workbench |
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