CN104385602A - Double-rotation 3D (three dimensional) printer - Google Patents
Double-rotation 3D (three dimensional) printer Download PDFInfo
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- CN104385602A CN104385602A CN201410707082.3A CN201410707082A CN104385602A CN 104385602 A CN104385602 A CN 104385602A CN 201410707082 A CN201410707082 A CN 201410707082A CN 104385602 A CN104385602 A CN 104385602A
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- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000007514 turning Methods 0.000 claims description 52
- 230000009977 dual effect Effects 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000007639 printing Methods 0.000 abstract description 21
- 230000008021 deposition Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 8
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- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
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- 230000036632 reaction speed Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
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- 238000013178 mathematical model Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- 229920003023 plastic Polymers 0.000 description 1
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Abstract
The invention relates to a double-rotation 3D (three dimensional) printer, which belongs to the quick fused deposition modeling device. The double-rotation 3D printer comprises a base, a print head driving mechanism and a printing head, wherein the base is provided with an objective table; the printing head driving mechanism is arranged on the base; the printing head is arranged on the printing head driving mechanism, the printing head driving mechanism comprises a linear motor seat, a linear motor, a rotary motor seat, a near-end rotary motor, a near-end rotary arm, a far-end rotary motor and a far-end rotary arm, the linear motor is fixed on the base, the linear motor is arranged at one side of the linear motor seat, the rotary motor seat is fixed on the linear motor, the near-end rotary motor is fixed on the rotary motor seat, a near-end rotary motor shaft is connected to the left end of the near-end rotary arm, the far-end rotary motor is fixed on the right end of the near-end rotary arm, a far-end rotary motor shaft is connected to the left end of the far-end rotary arm, the right end of the far-end rotary arm corresponds to the top of the carrier table, and the printing head is arranged on the left end of the far-end rotary arm. The double-rotation 3D printer is high in speed, small in size, excellent in flexibility, capable of precisely controlling the radius, angle and height and large in printing range.
Description
Technical field
The invention belongs to melting fused deposition rapid moulding equipment technical field, be specifically related to a kind of dual rotation type 3D printer.
Background technology
Because 3D prints the cutting edge technology knowledge combining the aspects such as digital modeling techniques, Electromechanical Control technology, information technology, material science and chemistry, the personalization of large gauge is produced become possibility and lead the major transformation of global manufacturing economy, thus extensively receive the concern of people.3D printer is the nucleus equipment that 3D prints, its be use based on mathematical model file consumptive material (consumptive material as: powdered metal material, plastics, pottery, sand and so on can jointing material) build object by the mode successively printed, namely under control of the computer according to the threedimensional model direct forming 3D solid of workpiece, without the need to equipment and moulds of industrial equipment, the frock clamp etc. of traditional machining tool and so on.
Printing head is for exporting the parts of consumptive material in 3D printer, and the relation between itself and print platform need meet the movement needs of the free degree in X, Y and Z tri-directions.Known 3D printer mostly use rotating stepper motor to add Timing Belt makes printing head realize the motion in X, Y and Z tri-directions, there is following shortcoming in the 3D printer of this version: one, component number are many, complex structure, and space availability ratio is low; Two, flexibility and reaction speed can not reach the requirement that industry is expected; Three, the relatively low and print speed of control accuracy is slow, and impact builds the efficiency of object; Its four, the motion mode due to printhead shows as the motion mode of cartesian coordinate system, is thus difficult to meet the rigors printed space, and does not have advantage for printing the parts of cylindrical body.
The technical information about 3D printer can be seen in disclosed Chinese patent literature, as application for a patent for invention publication No. CN103317726A recommends to have " nozzle gearing mechanism of 3D printer and have the 3D printer of this mechanism ", the nozzle gearing mechanism of this patent application scheme is made up of motor, drive and driving-belt (Timing Belt), specifically can see the 0025 to 0029 section, the description of this patent application.And for example Authorization Notice No. CN203485190U provides " a kind of 3D printer based on parallel institution ", this patent formula is owing to have employed servomotor (the 0016th section, description), thus not only volume is large, and the reliability controlled the locus of printing head is low.And then have " 3D printer " as application for a patent for invention publication No. CN103862679A introduces, this patent application is evaluated aforementioned CN103317726A in the 0004th section, its description, and its technical scheme provided (the 0006 to 0012 section, description) overcomes the drawback of CN103317726A, but order about printing head action because this patent application scheme employs stepper motor, thus the control accuracy of printing head and the speed of ordering about printing head motion are all difficult to reach the effect that industry expects.
In addition, none is eliminated applicant in 4 shortcomings recited above to be comprehensively not limited to the patent that exemplifies and patent application scheme above.
In view of the deficiency that above-mentioned prior art exists, the applicant has done useful design, and defines technical scheme described below, especially take under secrecy provision through simulation prove practicable.
Summary of the invention
Task of the present invention is to provide one to contribute to significantly improving print speed and uses and meets industrialized mass production requirement, be conducive to significantly reducing the number of parts and use and make structure be tending towards compact and improve space availability ratio, be of value to the flexibility and reaction speed that significantly improve printing and ensure printing precision and use the printing requirement met precise part, have to be convenient to become rigors that traditional Cartesian coordinates motor pattern prints space into polar coordinate system motor pattern and using meets and to embody and taking and meeting simultaneously and print to the wide region of object the dual rotation type 3D printer required space is significantly reduced to the printing advantage of cylinder class part and contributing to.
Task of the present invention has been come like this, and a kind of dual rotation type 3D printer, comprises a base, on the base and be positioned at base and be provided with one towards upper side for carrying the objective table of printed matter, one printhead driving mechanism, this printhead driving mechanism is arranged on described base, one printhead, this printhead is being arranged on printhead driving mechanism corresponding to the position above described objective table, be characterised in that: described printhead driving mechanism comprises straight-line electric support, linear electric motors, electric rotating support, near-end electric rotating machine, near-end turning arm, far-end electric rotating machine and far-end turning arm, straight-line electric support is fixed on described base with longitudinal state, linear electric motors are arranged on the side of straight-line electric support towards near-end turning arm, electric rotating support is fixed on linear electric motors, near-end electric rotating machine is fixed on electric rotating support, and the near-end spin motor shaft of this near-end electric rotating machine is fixedly connected with near-end turning arm left end, the right-hand member of far-end electric rotating machine and near-end turning arm is fixed, and the far-end spin motor shaft of this far-end electric rotating machine is fixedly connected with the left end of far-end turning arm, and the right-hand member of far-end turning arm corresponds to the top of described objective table with horizontal boom state, described printhead is arranged on the left end of described far-end turning arm.
In a specific embodiment of the present invention, described linear electric motors comprise one group of linear motor stator electric, linear motor rotor and a pair linear electric motors guide rail, one group of linear motor stator electric is fixed on the side of straight-line electric support towards described near-end turning arm in interval from top to bottom along the short transverse of described straight-line electric support, linear motor rotor is coordinating with a pair linear electric motors slide with under described one group of state that linear motor stator electric matches, and a pair linear electric motors guide rail is longitudinally parallel each other and fix in the position of both sides and described straight-line electric support that correspond respectively to one group of linear motor stator electric, described electric rotating support and linear motor rotor are fixed towards the side of described near-end turning arm.
In another specific embodiment of the present invention, described linear motor rotor is fixed with linear motor rotor slide block in the position corresponding to described a pair linear electric motors guide rail, and this linear motor rotor slide block coordinates with a pair linear electric motors slide.
In another specific embodiment of the present invention, one group of described linear motor stator electric is magnet.
In another specific embodiment of the present invention, described printhead is equipped with a heating tank, heating tank is provided with heating rod and temperature signal collection device.
Also have in a specific embodiment of the present invention, described temperature signal collection device is temperature sensor.
More of the present invention and in a specific embodiment, described far away, near-end turning arm form gradient relation each other.
In an of the present invention and then specific embodiment, described far-end turning arm right-hand member and be fixed with a fan in the position in the left side corresponding to described printhead by fan retaining bracket.
Of the present invention again more and in a specific embodiment, described fan is piezo jet fan.
In an again of the present invention and then specific embodiment, in the bottom of described base and around the edge of the circumferencial direction of base, space state is provided with one group of base and soars flange.
One of technique effect of technical scheme provided by the invention, owing to have employed printhead driving mechanism rational in infrastructure, thus abandoned in prior art and make the cephalomotor pattern of printing by toothed belt transmission, and from polar coordinates initial point more close to, speed is faster, so extremely contribute to improving print speed and being met industrialized mass production requirement; Two, because overall structure is terse, thus space availability ratio is significantly improved; Three, because near-end turning arm and far-end turning arm can move up and down under the control of linear electric motors simultaneously, and near-end turning arm and far-end turning arm freely rotate respectively under the control of near-end electric rotating machine and far-end electric rotating machine, thus have excellent flexibility and reaction speed is fast, not only printing effect is significantly improved but also can be made the most of the advantage to the part printing cylinder class; Four, because overall structure shows as polar coordinate system pattern, thus can accurately Control Radius, angle and height and use meet high accuracy 3D print rigors; Five, relative to prior art, the space hold volume of complete machine significantly reduces, but enlarges markedly the print range of printed matter.
Accompanying drawing explanation
Fig. 1 is embodiments of the invention structure chart.
Detailed description of the invention
In order to enable the auditor of Patent Office especially the public clearly understand technical spirit of the present invention and beneficial effect, applicant will elaborate below by way of example, but be not all the restriction to the present invention program to the description of embodiment, any conceive according to the present invention done be only pro forma but not substantial equivalent transformation and all should be considered as technical scheme category of the present invention.
Everyly in the following description relate to upper and lower, left and right, the concept of directionality (or claim directionality) of front and rear is all for the location status residing for the figure be described, object is to facilitate public understanding, thus can not be understood as being particularly limited to technical scheme provided by the invention.
Refer to Fig. 1, figure 1 illustrates a base 1 of the structural system of dual rotation type 3D printer of the present invention, on this base 1 and be positioned at base 1 towards on side be provided with one for carrying the objective table 11 of printed matter, this objective table 11, also known as print platform, also can arrange base as preferably scheme and to soar flange 12 in the bottom of base 1; One printhead driving mechanism 2, this printhead driving mechanism 2 is arranged on aforesaid base 1; One printhead 3, this printhead 3 is being arranged on printhead driving mechanism 2 corresponding to the position above objective table 11.
In the present embodiment, aforesaid base 1 and on the shape of shape all in disc of objective table 11, but other shape also can be adopted as the shape of cuboid, therefore can not limit technical connotation of the present invention because of the change in shape of base 1 and objective table 11.
Technical essential as dual rotation type 3D printer provided by the invention: aforesaid printhead driving mechanism 2 comprises straight-line electric support 21, linear electric motors 22, electric rotating support 23, near-end electric rotating machine 24, near-end turning arm 25, far-end electric rotating machine 26 and far-end turning arm 27, straight-line electric support 21 is fixed on front described base 1 with longitudinal state, namely fix perpendicular to base 1, linear electric motors 22 are arranged on the side (right side of Fig. 1 shown in location status) of straight-line electric support 21 towards near-end turning arm 25, electric rotating support 23 is fixed on linear electric motors 22 by electric rotating support screw 231, near-end electric rotating machine 24 adopts near-end electric rotating machine hold-down screw 242 to be fixed on electric rotating support 23, and the near-end spin motor shaft 241 of this near-end electric rotating machine 24 is fixedly connected with near-end turning arm 25 left end, far-end electric rotating machine 26 is fixed by the right-hand member of far-end electric rotating machine hold-down screw 262 with near-end turning arm 25, and the far-end spin motor shaft 261 of this far-end electric rotating machine 26 is fixedly connected with the left end of far-end turning arm 27, and the right-hand member of far-end turning arm 27 corresponds to the top of described objective table 11 with horizontal boom state, aforesaid printhead 3 is arranged on the left end of far-end turning arm 27.From above-mentioned explanation and composition graphs 1: aforesaid far-end turning arm 27 forms gradient relation each other with near-end turning arm 25, namely the level height of far-end turning arm 27 is lower than the level height of near-end turning arm 25.
Owing to present invention uses dual rotary motion, namely owing to there is far away, near-end turning arm 27,25 and far away, near-end electric rotating machine 26,24, thus make to present invention shows the polar topology layout of articulated robot, highly realize 3D print by moving up and down of the angle of the angle and near-end turning arm 25 that control far-end turning arm 27 and linear electric motors 22, abandon the motor pattern of traditional cartesian coordinate formula, the space 3D needed for realization prints.This structure of the present invention very concision and compact, print speed is fast and space availability ratio is high.In addition, the straight-line electric support 21 of the structural system of aforesaid printhead driving mechanism 2 can be considered as marker's station, near-end turning arm 25 with the near-end spin motor shaft 41 of near-end electric rotating machine 24 for the center of circle rotates, and far-end turning arm 27 with the far-end spin motor shaft 261 of far-end electric rotating machine 26 for the center of circle rotates.
Continue to see Fig. 1, aforesaid linear electric motors 21 comprise one group of linear motor stator electric 221, linear motor rotor 222 and a pair linear electric motors guide rail 223, one group of linear motor stator electric 221 (also can claim from bottom to top) interval to be fixed on the side of straight-line electric support 21 towards turning arm 25 from top to bottom along the short transverse of described straight-line electric support 21, linear motor rotor 222 is slidably matched with a pair linear electric motors guide rail 223 under the state matched with one group of linear motor stator electric 221, and a pair linear electric motors guide rail 223 is longitudinally parallel each other and fixing with straight-line electric support 21 at the position employing hold-down screw 2231 of the both sides corresponding respectively to one group of linear motor stator electric 221, aforesaid electric rotating support screw 231 is fixed towards the side of near-end turning arm 25 with linear motor rotor 222.Linear motor rotor slide block 2221(a pair is fixed with on aforesaid linear motor rotor 222 and corresponding to the position of a pair linear electric motors guide rail 223), this linear motor rotor slide block 2221 and a pair linear electric motors guide rail 223 are slidably matched.
By above-mentioned explanation, certainly can determine that aforesaid one group of linear motor stator electric 221 is magnet.
Aforesaid printhead 3 is equipped a heating tank 31, heating tank 31 is provided with heating rod 311 and temperature signal collection device 312.In the present embodiment, temperature signal collection device 312 is temperature sensor, is connected with electric controller electrical control by circuit.
Preferably, aforementioned distal turning arm 27 right-hand member and be fixed with a fan 4 in the position in left side corresponding to described printhead 3 by fan retaining bracket 41.There is shown the situation that fan retaining bracket 41 is fixed with far-end turning arm 27 by fan retaining bracket screw 411.
And then preferably, aforesaid fan 4 adopts piezo jet fan, because piezo jet fan uses two piezoelectric principle, thus can be referred to as " two piezoelectricity cooling injection fan ", again because two piezoelectricity cooling injection fan belongs to radiator category, one is sprayed miniflow bellows from high-speed air to electronic equipment thus can be understood as.This piezo jet fan is taken the lead in releasing by GE company of General Electric (U.S.A.), be called for short DCJ(full name: DualPiezoelectruc Cooling Jets), thickness is only 4 ㎜, power consumption can reduce more than one times relative to bearing blade fan, but radiating efficiency improves more than ten times, can be used in ultrathin panel computer of future generation and ultrathin notebook PC.Present inventor is applied to 3D printer, the experiment proved that the curing rate for accelerating melted material has good positive effect.Applicant it should be noted that: if blade fan (i.e. bearing blade fan) is substituted piezo jet fan, then should be considered as equivalent replacement.
When implementing to print, by the program of setting, made far by linear electric motors 22, near-end turning arm 25 moves up and down, by near-end electric rotating machine 24, near-end turning arm 25 is rotated, by far-end electric rotating machine 26, far-end turning arm 27 is rotated, thus by printhead 3 by thread for the printed material 5(introduced) under the heated condition through heating tank 31, on objective table 11, print required part.
In sum, technical scheme provided by the invention overcomes the shortcoming in prior art, completes invention task, embodies the technique effect referred in the superincumbent technique effect hurdle of applicant objectively, and can yet be regarded as is a ultimate attainment technical scheme.
Claims (10)
1.
a kind of dual rotation type 3D printer, comprises a base (1), goes up and be positioned at base (1) to be provided with one for carrying the objective table (11) of printed matter towards upper side at this base (1), one printhead driving mechanism (2), this printhead driving mechanism (2) is arranged on described base (1), one printhead (3), this printhead (3) is arranged on printhead driving mechanism (2) in the position of the top corresponding to described objective table (11), it is characterized in that: described printhead driving mechanism (2) comprises straight-line electric support (21), linear electric motors (22), electric rotating support (23), near-end electric rotating machine (24), near-end turning arm (25), far-end electric rotating machine (26) and far-end turning arm (27), straight-line electric support (21) is fixed on described base (1) with longitudinal state, linear electric motors (22) are arranged on the side of straight-line electric support (21) towards near-end turning arm (25), electric rotating support (23) is fixed on linear electric motors (22), near-end electric rotating machine (24) is fixed on electric rotating support (23), and the near-end spin motor shaft (241) of this near-end electric rotating machine (24) is fixedly connected with near-end turning arm (25) left end, far-end electric rotating machine (26) is fixed with the right-hand member of near-end turning arm (25), and the far-end spin motor shaft (261) of this far-end electric rotating machine (26) is fixedly connected with the left end of far-end turning arm (27), and the right-hand member of far-end turning arm (27) corresponds to the top of described objective table (11) with horizontal boom state, described printhead (3) is arranged on the left end of described far-end turning arm (27).
2.
dual rotation type 3D printer according to claim 1, it is characterized in that described linear electric motors (21) comprise one group of linear motor stator electric (221), linear motor rotor (222) and a pair linear electric motors guide rail (223), one group of linear motor stator electric (221) is fixed on the side of straight-line electric support (21) towards described near-end turning arm (25) in interval from top to bottom along the short transverse of described straight-line electric support (21), linear motor rotor (222) is slidably matched with a pair linear electric motors guide rail (223) under the state matched with described one group of linear motor stator electric (221), and a pair linear electric motors guide rail (223) is longitudinally parallel each other and fixing with described straight-line electric support (21) in the position of the both sides corresponding respectively to one group of linear motor stator electric (221), described electric rotating support (23) and linear motor rotor (222) are fixed towards the side of described near-end turning arm (25).
3.
dual rotation type 3D printer according to claim 2, it is characterized in that going up at described linear motor rotor (222) and being fixed with linear motor rotor slide block (2221) in the position corresponding to a pair described linear electric motors guide rail (223), this linear motor rotor slide block (2221) and a pair linear electric motors guide rail (223) are slidably matched.
4.
dual rotation type 3D printer according to claim 2, is characterized in that one group of described linear motor stator electric (221) is magnet.
5.
dual rotation type 3D printer according to claim 1, it is characterized in that being equipped with a heating tank (31) on described printhead (3), heating tank (31) is provided with heating rod (311) and temperature signal collection device (312).
6.
dual rotation type 3D printer according to claim 5, is characterized in that described temperature signal collection device (312) is temperature sensor.
7.
dual rotation type 3D printer according to claim 1, is characterized in that described far away, near-end turning arm (27,25) form gradient relation each other.
8.
dual rotation type 3D printer according to claim 1, is characterized in that right-hand member described far-end turning arm (27) and is fixed with a fan (4) in the position in the left side corresponding to described printhead (3) by fan retaining bracket (41).
9.
dual rotation type 3D printer according to claim 8, is characterized in that described fan (4) is piezo jet fan.
10.
dual rotation type 3D printer according to claim 1, is characterized in that in the bottom of described base (1) and around the edge of the circumferencial direction of base (1), space state is provided with one group of base soaring flange (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410707082.3A CN104385602A (en) | 2014-11-28 | 2014-11-28 | Double-rotation 3D (three dimensional) printer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410707082.3A CN104385602A (en) | 2014-11-28 | 2014-11-28 | Double-rotation 3D (three dimensional) printer |
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| CN104385602A true CN104385602A (en) | 2015-03-04 |
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| CN201410707082.3A Pending CN104385602A (en) | 2014-11-28 | 2014-11-28 | Double-rotation 3D (three dimensional) printer |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104626591A (en) * | 2015-03-06 | 2015-05-20 | 王俊 | Single-tower rotary-arm 3D printing machine |
| CN104742371A (en) * | 2015-03-31 | 2015-07-01 | 费舒琦 | 3d building printing device |
| CN105415685A (en) * | 2015-12-19 | 2016-03-23 | 天津创天图文设计有限公司 | Intelligent integrated 3D printing machine |
| CN105538717A (en) * | 2016-01-11 | 2016-05-04 | 浙江理工大学 | 3D printing method and 3D printer based on polar coordinates for circular-section objects |
| CN106217874A (en) * | 2016-07-29 | 2016-12-14 | 攸潇潇 | A kind of four axle three-dimensional printers |
| CN106424734A (en) * | 2016-10-09 | 2017-02-22 | 湖南工业大学 | 3D spray-forming device |
| CN106476264A (en) * | 2015-12-28 | 2017-03-08 | 北方工业大学 | Three-axis movement device for 3D printing |
| CN107877849A (en) * | 2017-12-15 | 2018-04-06 | 沈阳工业大学 | The desktop level folding FDM 3D printers of novel mechanical arm configuration |
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| CN103331912A (en) * | 2013-07-04 | 2013-10-02 | 宁波合创快速制造技术有限公司 | Desktop 3D-printing forming device |
| CN103341972A (en) * | 2013-06-05 | 2013-10-09 | 王奉瑾 | Folding 3d printer |
| US8778252B2 (en) * | 2012-01-20 | 2014-07-15 | Wisconsin Alumni Research Foundation | Three-dimensional printing system using dual rotation axes |
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| US8778252B2 (en) * | 2012-01-20 | 2014-07-15 | Wisconsin Alumni Research Foundation | Three-dimensional printing system using dual rotation axes |
| CN103341972A (en) * | 2013-06-05 | 2013-10-09 | 王奉瑾 | Folding 3d printer |
| CN103331912A (en) * | 2013-07-04 | 2013-10-02 | 宁波合创快速制造技术有限公司 | Desktop 3D-printing forming device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104626591A (en) * | 2015-03-06 | 2015-05-20 | 王俊 | Single-tower rotary-arm 3D printing machine |
| CN104742371A (en) * | 2015-03-31 | 2015-07-01 | 费舒琦 | 3d building printing device |
| CN104742371B (en) * | 2015-03-31 | 2017-06-23 | 费舒琦 | 3D builds printing equipment |
| CN105415685A (en) * | 2015-12-19 | 2016-03-23 | 天津创天图文设计有限公司 | Intelligent integrated 3D printing machine |
| CN106476264A (en) * | 2015-12-28 | 2017-03-08 | 北方工业大学 | Three-axis movement device for 3D printing |
| CN105538717A (en) * | 2016-01-11 | 2016-05-04 | 浙江理工大学 | 3D printing method and 3D printer based on polar coordinates for circular-section objects |
| CN105538717B (en) * | 2016-01-11 | 2017-07-28 | 浙江理工大学 | A kind of 3D printing method and 3D printer of circular section object based on polar coordinates |
| CN106217874A (en) * | 2016-07-29 | 2016-12-14 | 攸潇潇 | A kind of four axle three-dimensional printers |
| CN106424734A (en) * | 2016-10-09 | 2017-02-22 | 湖南工业大学 | 3D spray-forming device |
| CN107877849A (en) * | 2017-12-15 | 2018-04-06 | 沈阳工业大学 | The desktop level folding FDM 3D printers of novel mechanical arm configuration |
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Application publication date: 20150304 |