CN103862679B - 3d printer - Google Patents
3d printer Download PDFInfo
- Publication number
- CN103862679B CN103862679B CN201410113946.9A CN201410113946A CN103862679B CN 103862679 B CN103862679 B CN 103862679B CN 201410113946 A CN201410113946 A CN 201410113946A CN 103862679 B CN103862679 B CN 103862679B
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- China
- Prior art keywords
- printer
- feed mechanism
- workbench
- hole
- liquid cooled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 125000006850 spacer group Chemical group 0.000 claims abstract description 12
- 230000033001 locomotion Effects 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 31
- 238000010438 heat treatment Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 101000623895 Bos taurus Mucin-15 Proteins 0.000 claims description 3
- 241001661355 Synapsis Species 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000008021 deposition Effects 0.000 abstract description 2
- 238000002844 melting Methods 0.000 abstract description 2
- 230000008018 melting Effects 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000007639 printing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009342 intercropping Methods 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Abstract
3D printer, relates to the 3D printer based on melting fused deposition rapid moulding technique.3D printer of the present invention, is characterized in that comprising transmission mechanism, workbench, feed mechanism, spacer assembly.3D printer of the present invention, adopts unique driving wheel and driven pulley and line transmission to coordinate, increases coefficient of friction, solve the belt wheel slippage problems existed in belt transmission, transmit motion accurately and reliably.
Description
Technical field
The present invention relates to the 3D printer based on melting fused deposition rapid moulding technique.
Background technology
A kind of machine of 3D printer and RP technique, it is based on a kind of mathematical model file, uses powdery metal or plastics etc. can jointing material, is carried out the technology of constructed object by the mode successively printed.Use three-dimensional printer printer model, without the need to traditional cutting machine tool and tool and mould, under control of the computer can direct forming 3D solid according to the threedimensional model of workpiece.
Shower nozzle be in 3D printer for exporting the parts of consumptive material, in print procedure, require that shower nozzle can move arbitrarily the workpiece to tackle different exterior contour faces in space.The nozzle gearing mechanism of existing 3D printer is the transmission mechanism having used traditional three-shaft linkage lathe mostly, namely respectively along the axle in X, Y, Z tri-directions, each is axially provided with a driver element, during printing with three transmission mechanisms axially in random movement.The transmission mechanism structure of this three-shaft linkage is comparatively complicated, and the space taken is comparatively large, and in print procedure, during owing to moving between the different positions, need three driver elements drive shower nozzle sequentially to move, the efficiency therefore printed is lower.
Application number is the patent application of 201310246765.9, provide one " more than three and be distributed in the transmission component of platform periphery, each transmission component includes the guide post extended along short transverse, the installation sliding seat on the guide bar slided, for driving sliding seat along the up and down drive motors of guide post, and connecting rod, the two ends of connecting rod are connected and installed seat and sliding seat in the mode of universal hinging respectively " the kind of drive, its shortcoming is: its sliding seat adopted adopts traditional bel-drivenn mode, accurate gearratio can not be ensured, and 3D prints strict to required precision, in addition, guide post adopts sliding type guided slidable seat, and the frictional force between guide post and sliding seat is comparatively large, easily relative lost motion occurs, causes sliding seat positioning precision poor, finally, because in 3D printing, extruder head position needs to remain level, above-mentioned 3D printer, once any one guided way transmission generation deviation, all can cause if correct not in time workpiece to make and produce distortion, have a strong impact on the quality of workpiece.In addition, be open at described 3D printer working space, and the clean level of working environment and temperature are all the key factors affecting operable profile; Feed mechanism is positioned at side, adopt " feed mechanism comprises supporting seat assembly, be articulated on supporting seat assembly and surface with groove drawing-inroller, be articulated on supporting seat assembly and the pressure wheel be positioned at above drawing-inroller and the stepper motor for driving drawing-inroller to rotate; the rotating shaft of drawing-inroller and the rotating shaft of pressure wheel parallel to each other; linear print consumptive material enters into shower nozzle after being passed by the gap between drawing-inroller and pressure wheel " structure, feeding resistance is large, pushing precision is poor, causes printing precision to decline.
Summary of the invention
For the defect that above-mentioned 3D printer exists, the present invention proposes the 3D printer after a kind of improvement.
3D printer of the present invention, is characterized in that comprising transmission mechanism, workbench, feed mechanism, spacer assembly;
Transmission mechanism forms by with lower device:
Base is hollow platform, and base upper surface arranges heating component I; Transmission component comprises linear slide rail, slide block, connecting rod and drive motors, and the linear slide rail of at least three vertical distribution is fixed on base edge, and each linear slide rail and the indirect synapsis of slide block are provided with steel ball; Slide block connects with the line kind of drive with the drive motors being positioned at base, and slide block is fixed on line; Described drive motors rotating shaft is provided with driving wheel, linear slide rail top pivot joint driven pulley, and driving wheel, driven pulley are provided with screw thread, and line is repeatedly around thereon, and driven pulley, driving wheel and slide block are synchronous with motor movement by closed line; Connecting rod two ends are respectively with the mode connection sliding block of universal hinging and workbench; Linear slide rail top is fixed with top cover;
Workbench forms by with lower device:
Workbench is the platform connected for connecting rod, and workbench central authorities arrange liquid cooled module, and the outlet pipe of liquid cooled module is connected by water pipe with the water pump above top cover with water inlet pipe; Heating component II is set below liquid cooled module; Liquid cooled module and heating component arrange the through hole that at least one installs extruder head, and extruder head is installed in through hole; In workbench bottom center, automatic leveling device is installed;
Drum and feed mechanism are fixed on above top cover;
Be surrounded with spacer assembly outside base and top cover, be specially poly (methyl methacrylate) plate or aluminium sheet, arrange temperature detect switch (TDS) and circulating air assembly in spacer assembly, temperature detect switch (TDS) is connected for the temperature in control 3D printer with circulating air assembly.
Described connecting rod two ends are magnetic iron ball, and arrange arc groove in slide block, workbench and connecting rod junction, arc groove is prepared by magnetic material.
Described automatic leveling device adopts infrared inductor or microswitch, and automatic leveling device, for detecting the distance of extruder head and base, prints height to calibrate.
Described feed mechanism is cylindric, and feed mechanism end arranges stepper motor, and the rotating shaft of stepper motor is axially arranged along feed mechanism, and rotating shaft is screw rod; Feed mechanism top is the hold down gag of semicylinder, and hold down gag runs through up and down through hole, the groove be provided with bottom hold down gag, and groove is arranged vertically, and groove adjoins screw rod; Hold down gag side is connected with feed mechanism lower rotational by hinge, and hold down gag opposite side establishes projection, is coordinated be used for fixing by the depression bar of feed mechanism bottom; Through hole on hold down gag and groove pass for plastic wire material, and stretch out from feed mechanism.
Described extruder head is four, and liquid cooled module is the hollow box around extruder head, and on liquid cooled module, reserved extruder head installing hole is A, B, C, D hole; Arrange liquid outlet and inlet above liquid cooled module, inlet leads to A, B, C, D hole simultaneously; And the partition parallel with path is set on path; Liquid outlet is communicated with A, B hole.
Described automatic leveling device adopts infrared inductor or microswitch, and automatic leveling device, for detecting the distance of extruder head and base, prints height to calibrate.
Described circulating air assembly is installed on linear slide rail bottom, is specially the combination of heating plate warming and fan.
3D printer of the present invention, has following beneficial effect:
Its transmission mechanism circulates by the intercropping infinite scroll of steel ball at slide block and linear slide rail, and load platform can move linearly with high accuracy easily along slide rail.Guide with traditional slip and compare, the coefficient of friction that rolling is guided can be reduced to original 1/50, and because the frictional force of starting greatly reduces, relative less lost motion occurs, therefore can reach μm level feeding and a location easily.This 3D printer transmission mechanism, adopts unique driving wheel and driven pulley and line transmission to coordinate, increases coefficient of friction, solve the belt wheel slippage problems existed in belt transmission, transmit motion accurately and reliably.
Spacer assembly and circulating air assembly have an applicable working environment to make its printing effect reach best by printed material, ensure the temperature constant state in print space.
Connecting rod adopts two ends to be circular iron ball, arranges arc groove at slide block and workbench and connecting rod junction, makes working table movement angle more greatly, move more accurate in transmission process.
Feed mechanism is selected to be installed on to cover, and is positioned at the vertical direction of workbench, makes charging more smooth and easy; Adopt the technical scheme that feed direction is consistent with motor movement direction, utilize screw motion to drive plastic wire material to advance, feeding amount is easily control more accurately.
The purpose of design of liquid cooled module is that plastic wire material keeps low temperature and hardness before entering heating component II, and printing effect is more accurate; Existingly be designed with air-cooled and add the cooling scheme of sleeve pipe, effect all cannot ensure that plastic wire material keeps low temperature before heating.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is internal structure schematic diagram of the present invention.
Fig. 3 is top view of the present invention.
Fig. 4 is connecting rod annexation schematic diagram of the present invention.
Fig. 5 is the structural representation of workbench of the present invention.
Fig. 6 is the structural representation of feed mechanism of the present invention.
Fig. 7 is the structural representation of feed mechanism bottom of the present invention.
Fig. 8 is the structural representation of liquid cooled module.
Wherein, base 1, heating component I2, linear slide rail 3, slide block 4, connecting rod 5, drive motors 6, top cover 7, workbench 8, liquid cooled module 9, water pump 10, heating component II11, extruder head 12, automatic leveling device 13, drum 14, feed mechanism 15, spacer assembly 16, inlet 9-1, liquid outlet 9-2, stepper motor 15-1, screw rod 15-2; Hold down gag 15-3, hinge 15-4, depression bar 15-5, protruding 15-6.
Detailed description of the invention
Embodiment 1: 3D printer of the present invention, is characterized in that comprising transmission mechanism, workbench 8, feed mechanism 15, spacer assembly 16;
Transmission mechanism forms by with lower device:
Base 1 is hollow platform, and base 1 upper surface arranges heating component I2; Transmission component comprises linear slide rail 3, slide block 4, connecting rod 5 and drive motors 6, and the linear slide rail 3 of at least three vertical distribution is fixed on base 1 edge, and each linear slide rail 3 and slide block 4 indirectly synapsis are provided with steel ball; Slide block 4 connects with the line kind of drive with the drive motors 6 being positioned at base 1, and slide block 4 is fixed on line; Described drive motors 6 rotating shaft is provided with driving wheel, linear slide rail 3 top pivot joint driven pulley, and driving wheel, driven pulley are provided with screw thread, and line is repeatedly around thereon, and driven pulley, driving wheel and slide block 4 is synchronous with motor movement by closed line; Connecting rod 5 two ends are respectively with the mode connection sliding block 4 of universal hinging and workbench 8; Linear slide rail 3 top is fixed with top cover 7;
Workbench 8 forms by with lower device:
Workbench 8 is the platform connected for connecting rod 5, and workbench 8 central authorities arrange liquid cooled module 9, and the outlet pipe of liquid cooled module 9 is connected by water pipe with the water pump 10 above top cover 7 with water inlet pipe; Heating component II11 is set below liquid cooled module 9; Liquid cooled module 9 and heating component arrange the through hole that at least one installs extruder head 12, and extruder head 12 is installed in through hole; In workbench 8 bottom center, automatic leveling device 13 is installed;
Drum 14 and feed mechanism 15 are fixed on above top cover 7;
Be surrounded with spacer assembly 16 outside base 1 and top cover 7, be specially poly (methyl methacrylate) plate or aluminium sheet, arrange temperature detect switch (TDS) and circulating air assembly in spacer assembly 16, temperature detect switch (TDS) is connected for the temperature in control 3D printer with circulating air assembly.
Described connecting rod 5 two ends are magnetic iron ball, and arrange arc groove at slide block 4, workbench 8 with connecting rod 5 junction, arc groove is prepared by magnetic material.
Described automatic leveling device 13 adopts infrared inductor or microswitch, and automatic leveling device 13, for detecting the distance of extruder head 12 and base 1, prints height to calibrate.
Described feed mechanism 15 is cylindric, and feed mechanism 15 end arranges stepper motor 15-1, and the rotating shaft of stepper motor 15-1 is axially arranged along feed mechanism 15, and rotating shaft is screw rod 15-2; Feed mechanism 15 top is the hold down gag 15-3 of semicylinder, and hold down gag 15-3 runs through up and down through hole, the groove be provided with bottom hold down gag 15-3, and groove is arranged vertically, and groove adjoins screw rod 15-2; Hold down gag 15-3 side is connected with feed mechanism 15 lower rotational by hinge 15-4, and hold down gag 15-3 opposite side establishes protruding 15-6, is coordinated be used for fixing by the depression bar 15-5 of feed mechanism 15 bottom; Through hole on hold down gag 15-3 and groove pass for plastic wire material, and stretch out from feed mechanism 15.
Described extruder head 12 is four, and liquid cooled module 9 is the hollow box around extruder head 12, and on liquid cooled module 9, reserved extruder head 12 installing hole is A, B, C, D hole; Arrange liquid outlet 9-2 and inlet 9-1 above liquid cooled module 9, inlet 9-1 leads to A, B, C, D hole simultaneously; And the partition parallel with path is set on path; Liquid outlet 9-2 and A, B hole are communicated with.
Described circulating air assembly is installed on linear rail tips, is specially the combination of heating plate and fan.
Claims (6)
1.3D printer, is characterized in that comprising transmission mechanism, workbench (8), feed mechanism (15), spacer assembly (16);
Transmission mechanism forms by with lower device:
Base (1) is hollow platform, and base (1) upper surface arranges heating component I (2); Transmission component comprises linear slide rail (3), slide block (4), connecting rod (5) and drive motors (6), the linear slide rail (3) of at least three vertical distribution is fixed on base (1) edge, and each linear slide rail (3) and slide block (4) indirectly synapsis are provided with steel ball; Slide block (4) connects with the line kind of drive with the drive motors (6) being positioned at base (1), and slide block (4) is fixed on line; Described drive motors (6) rotating shaft is provided with driving wheel, linear slide rail (3) top pivot joint driven pulley, driving wheel, driven pulley are provided with screw thread, and line is repeatedly around thereon, and driven pulley, driving wheel and slide block (4) are synchronous with motor movement by closed line; Connecting rod (5) two ends are respectively with the mode connection sliding block (4) of universal hinging and workbench (8); Linear slide rail (3) top is fixed with top cover (7);
Workbench (8) forms by with lower device:
Workbench (8) is the platform connected for connecting rod (5), workbench (8) central authorities arrange liquid cooled module (9), and the outlet pipe of liquid cooled module (9) is connected by water pipe with the water pump (10) of water inlet pipe with top cover (7) top; Liquid cooled module (9) below arranges heating component II (11); Liquid cooled module (9) and heating component arrange the through hole that at least one installs extruder head (12), and extruder head (12) is installed in through hole; In workbench (8) bottom center, automatic leveling device (13) is installed;
Drum (14) and feed mechanism (15) are fixed on top cover (7) top;
Spacer assembly (16) is surrounded with outside base (1) and top cover (7), be specially poly (methyl methacrylate) plate or aluminium sheet, arrange temperature detect switch (TDS) and circulating air assembly in spacer assembly (16), temperature detect switch (TDS) is connected for the temperature in control 3D printer with circulating air assembly.
2. 3D printer as claimed in claim 1, is characterized in that described connecting rod (5) two ends are magnetic iron ball, and arrange arc groove at slide block (4), workbench (8) with connecting rod (5) junction, arc groove is prepared by magnetic material.
3. 3D printer as claimed in claim 1, is characterized in that described automatic leveling device (13) adopts infrared inductor or microswitch.
4. 3D printer as claimed in claim 1, it is characterized in that described feed mechanism (15) is for cylindric, feed mechanism (15) end arranges stepper motor (15-1), and the rotating shaft of stepper motor (15-1) is axially arranged along feed mechanism (15), and rotating shaft is screw rod (15-2); Feed mechanism (15) top is the hold down gag (15-3) of semicylinder, and hold down gag (15-3) runs through up and down through hole, the groove that hold down gag (15-3) bottom is provided with, and groove is arranged vertically, and groove adjoins screw rod (15-2); Hold down gag (15-3) side is connected with feed mechanism (15) lower rotational by hinge (15-4), and hold down gag (15-3) opposite side establishes projection (15-6), is coordinated be used for fixing by the depression bar (15-5) of feed mechanism (15) bottom; Through hole on hold down gag (15-3) and groove pass for plastic wire material, and stretch out from feed mechanism (15).
5. 3D printer as claimed in claim 1, it is characterized in that described extruder head (12) is four, liquid cooled module (9) is the hollow box around extruder head (12), and upper reserved extruder head (12) installing hole of liquid cooled module (9) is A, B, C, D hole; Liquid cooled module (9) top arranges liquid outlet (9-2) and inlet (9-1), and inlet (9-1) leads to A, B, C, D hole simultaneously; And the partition parallel with path is set on path; Liquid outlet (9-2) is communicated with A, B hole.
6. 3D printer as claimed in claim 1, is characterized in that described circulating air assembly is installed on linear rail tips, is specially the combination of heating plate and fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410113946.9A CN103862679B (en) | 2014-03-26 | 2014-03-26 | 3d printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410113946.9A CN103862679B (en) | 2014-03-26 | 2014-03-26 | 3d printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103862679A CN103862679A (en) | 2014-06-18 |
| CN103862679B true CN103862679B (en) | 2016-02-03 |
Family
ID=50901983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410113946.9A Expired - Fee Related CN103862679B (en) | 2014-03-26 | 2014-03-26 | 3d printer |
Country Status (1)
| Country | Link |
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| CN (1) | CN103862679B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170210067A1 (en) * | 2014-07-24 | 2017-07-27 | Tiko 3D Ltd. | System and method for integrated rails |
| KR101687284B1 (en) * | 2014-10-08 | 2016-12-19 | 최성덕 | Interchangeable type nozzles 3DPrinter |
| CN104369382A (en) * | 2014-11-21 | 2015-02-25 | 潘祥生 | Parallel type 3D printing machine |
| KR101613628B1 (en) | 2014-12-12 | 2016-05-02 | 서강대학교산학협력단 | Potable 3d printer |
| CN104552948A (en) * | 2014-12-31 | 2015-04-29 | 东莞市郝利数控科技有限公司 | A 3D printing device |
| CN104552957B (en) * | 2015-01-27 | 2016-10-19 | 广州三迪沃信息技术有限公司 | Print the 3D printer of carbon fiber |
| CN104608389B (en) * | 2015-02-28 | 2017-02-22 | 济南大学 | Bottom support structure for delta 3D printer |
| CN104960208A (en) * | 2015-07-16 | 2015-10-07 | 淄博市乐豆创客服务中心 | 3d printer |
| KR101664988B1 (en) * | 2015-07-16 | 2016-10-11 | 주식회사 티피씨애니웍스 | Rod assembly of the 3D printer |
| KR101782397B1 (en) * | 2015-10-07 | 2017-09-27 | 표영일 | A Delta Type 3D Printer using Magnetic Ball Joint |
| CN105345001B (en) * | 2015-12-01 | 2017-12-19 | 吉林大学 | Nail-plate 3D printer built in a kind of orthopaedics titanium alloy |
| KR101721547B1 (en) * | 2016-01-08 | 2017-03-30 | 강은창 | 3d printer |
| DE102016112472A1 (en) * | 2016-07-07 | 2018-01-11 | Otto-Von-Guericke-Universität Magdeburg | Device and method for the additive production of components |
| KR101834663B1 (en) | 2016-09-09 | 2018-03-05 | 이경렬 | A 3D printer having a double-layer head |
| CN109228310A (en) * | 2018-10-15 | 2019-01-18 | 浙江大学台州研究院 | A kind of five colors 3D printer |
| CN114211754B (en) * | 2021-11-19 | 2024-06-04 | 深圳市纵维立方科技有限公司 | Control method and device of 3D printing equipment, storage medium and printing equipment |
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| CN103317726A (en) * | 2013-06-19 | 2013-09-25 | 广州捷和电子科技有限公司 | Nozzle transmission mechanism for 3D printer and 3D printer with same |
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| CN203766032U (en) * | 2014-03-26 | 2014-08-13 | 朱兴建 | 3d printer |
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| JPS5617709A (en) * | 1979-07-19 | 1981-02-19 | Toyo Tire & Rubber Co Ltd | Tire loading device for uniformity machine |
| JPS5686735A (en) * | 1979-12-19 | 1981-07-14 | Yokohama Rubber Co Ltd:The | Feeding device for beltlike material having a surface spread with liner |
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| CN103317726A (en) * | 2013-06-19 | 2013-09-25 | 广州捷和电子科技有限公司 | Nozzle transmission mechanism for 3D printer and 3D printer with same |
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| CN203766032U (en) * | 2014-03-26 | 2014-08-13 | 朱兴建 | 3d printer |
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| CN103862679A (en) | 2014-06-18 |
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Granted publication date: 20160203 Termination date: 20210326 |