CN103465473B - 3D printer Ball screw type serial structure rapid shaping structure - Google Patents
3D printer Ball screw type serial structure rapid shaping structure Download PDFInfo
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- CN103465473B CN103465473B CN201310352560.9A CN201310352560A CN103465473B CN 103465473 B CN103465473 B CN 103465473B CN 201310352560 A CN201310352560 A CN 201310352560A CN 103465473 B CN103465473 B CN 103465473B
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- ball screw
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- erecting bed
- polished rod
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- 238000007493 shaping process Methods 0.000 title claims abstract description 10
- 238000007639 printing Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Abstract
The invention discloses a kind of 3D printer Ball screw type serial structure rapid shaping structure, in 3D printer, Z axis screw mandrel adopts ball screw.The present invention can reduce printhead micro-enter time error, eliminate hysterisis error as much as possible, add integrally-built steadiness simultaneously.
Description
Technical field
The present invention relates to 3D printer port of printer drive mechanism field, be specially a kind of 3D printer Ball screw type serial structure rapid shaping structure.
Background technology
3D printer is that a kind of novel rapidform machine is had it long ago but just progressively enters consumer level market recently.The part that people design on computers can be cast without die sinking, cuts without milling machine, just can " manufacture " out rapidly.
Consumer level 3D printer is limited to cost consideration, and printing precision and print speed have been done very large compromise.
Printing precision determines primarily of two aspects, and printhead positioning precision (stepping) precision and printhead extrude precision.
Printhead stepping accuracy is because be a set of three axle movable mechanical structures, larger compared to weight shared by printing head.
Each object has length, width and height (XYZ), so printhead will move on XYZ axle just can print object.3D printer successively prints in operation, and under the prerequisite that printhead precision (thickness 3D printer often prints the thickness of one deck) is determined, the stepping accuracy of Z axis just seems most important.
In fact, printhead moves on each axle all step by step, is called stepping, is sent by transmission system by stepper motor.In consumer level 3D printer, transmission system generally selects conveyer belt, chain, and better scheme then uses screw mandrel.
And position error major part goes out in this transmission system.When printhead is mobile by starting point, when micro-enter (stepper motor single step stepping) time, due to the elasticity of belt or the moment of torsion of screw mandrel, can error be produced.In moving process, these errors can accumulate gradually.And during the change of shelves printhead moving direction, have hysterisis error and produce.The object printed is larger, and also namely stroke is larger, and loss of significance is larger.
In order to reduce error, common 3D printer can use screw mandrel add slide bar add again the return difference nut that disappears form reduce micro-enter error.And limit switch can be aided with calibrate.The return difference that disappears nut can eliminate hysterisis error to a certain extent.But the damping inevitably increased after increasing the return difference nut that disappears, the return difference that simultaneously disappears nut interior contains spring assembly, needs adjustment before using, and also will adjust after using for a long time.Larger damping can make micro-enter time there is creeping phenomenon (a similar people pushes away a very heavy chest, can one one when chest setting in motion, movement that then just can be comparatively smooth).The return difference that disappears nut is also a kind of ancillary method, fundamentally can not solve the precision problem of common screw mandrel.
Current consumer level 3D printer generally uses plank and PVC board splicing to make, and is limited to material cost and fixed form.Make in overall physical structure firm not.And in print procedure, moving around of printhead, the radiator fan of printhead, the running of feeder, all brings vibrations.Structure firm not can affect printing precision on degree of integration.
Summary of the invention
The object of this invention is to provide a kind of 3D printer Ball screw type serial structure rapid shaping structure, to solve prior art Problems existing.
In order to achieve the above object, the technical solution adopted in the present invention is:
3D printer Ball screw type serial structure rapid shaping structure, is characterized in that: in 3D printer, Z axis leading screw adopts ball screw.
Described a kind of 3D printer Ball screw type serial structure rapid shaping structure, it is characterized in that: include X-axis erecting bed, Y-axis erecting bed, Z axis erecting bed, X-axis erecting bed is provided with X-axis polished rod, X-axis stepper motor, X-axis polished rod is slidably fitted with 3D printhead, and X-axis driving stepper motor 3D printhead slides on X-axis polished rod, Y-axis erecting bed is provided with Y-axis polished rod, y-axis stepper motor, X-axis erecting bed is slidably mounted on Y-axis polished rod, and y-axis stepper motor drives X-axis erecting bed to slide on Y-axis polished rod, Z axis erecting bed is provided with Z axis polished rod, Z axis ball screw, Z axis stepper motor, Y-axis erecting bed is slidably mounted on Z axis polished rod, on Z axis ball screw and with Z axis ball screw threaded engagement, Z axis stepper motor is connected with Z axis ball leading screw driving.
The present invention can reduce printhead micro-enter time error, eliminate hysterisis error as much as possible, add integrally-built steadiness simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
As shown in Figure 1.3D printer Ball screw type serial structure rapid shaping structure, in 3D printer, Z axis leading screw adopts ball screw.Include X-axis erecting bed, Y-axis erecting bed, Z axis erecting bed, X-axis erecting bed is provided with X-axis polished rod 1, X-axis stepper motor 2, X-axis polished rod 1 is slidably fitted with 3D printhead 3, and X-axis stepper motor 2 drives 3D printhead 3 to slide on X-axis polished rod 1, Y-axis erecting bed is provided with Y-axis polished rod 4, y-axis stepper motor 5, X-axis erecting bed is slidably mounted on Y-axis polished rod 4, and y-axis stepper motor 5 drives X-axis erecting bed to slide on Y-axis polished rod 4, Z axis erecting bed is provided with Z axis polished rod 6, Z axis ball screw 7, Z axis stepper motor 8, Y-axis erecting bed is slidably mounted on Z axis polished rod 6, on Z axis ball screw 7 and with Z axis ball screw 7 threaded engagement, Z axis stepper motor 8 and Z axis ball screw 7 are in transmission connection.
The present invention employs advanced ball screw in transfer system.Ball screw is not a kind of brand-new technology, and ball screw is technical grade part.Compared to common sliding screw, ball screw adds a lot of ball between lead screw shaft and feed screw nut, and these balls roll between screw axis and nut.So have great advantage in transmission efficiency.In other words staring torque is minimum, only has 1/3rd of common screw mandrel.When stepper motor is micro-enter time more smooth.Also be the high-speed motion that in thinking, this reason can realize printhead simultaneously, improve print speed.
Select ball screw to also have a benefit, increase overall steadiness.Because the operation principle of ball screw, the production specification of ball screw is very high, to connect to ensure that its quality.The repulsion of ball can make again the rigidity reinforced of screw mandrel.Just because having benefited from this, being aided with the PVC material of higher-strength, can increasing when assembling and tightly locking intensity, thus promoting overall mechanical strength (steadiness), being finally reflected in printing precision.
In use, the stepper motor on software control three axle, implementation space is located.Control printhead again and extrude the materials such as quantitative resin, the printing of least unit can be completed.
Then numerous least unit is spliced into a plane layer, and after completing one deck, system transfers to print lower one deck.So being successively superimposed together just has produced a three-dimensional object.In our type, each printable layer arranges according to Z axis.In print procedure, when printhead changes layer, the levels of precision of Z axis movement determines the fine degree of printing objects to a great extent.And Z axis selects high standard, the ball screw of technical grade effectively can reduce error.
No matter be that printhead moves in XY plane, or be move on Z axis.Because the reason of power and reaction force, inevasiblely bring vibrations.Now select the ball screw of high strength, itself can use as structural member.If frame structure, can produce deformation when fixed lock, cavity structure also easily produces resonance, affects precision.And the ball screw of high rigidity can as skeleton, just as skeleton.Assist with super thick PVC shell, be finally combined into the structure of a high mechanical properties, effectively can reduce the error shaking and bring.
Simultaneously also because the transmission efficiency of ball screw is three times of common screw mandrel, close to the efficiency of conveyer belt 90%.Under the driving stepper motor of equal torsion, translational speed can be higher, therefore brings high speed characteristics.
Claims (1)
1.3D printer Ball screw type serial structure rapid shaping structure, is characterized in that: in 3D printer, Z axis screw mandrel adopts ball screw;
Described a kind of 3D printer Ball screw type serial structure rapid shaping structure: include X-axis erecting bed, Y-axis erecting bed, Z axis erecting bed, X-axis erecting bed is provided with X-axis polished rod, X-axis stepper motor, X-axis polished rod is slidably fitted with 3D printhead, and X-axis driving stepper motor 3D printhead slides on X-axis polished rod, Y-axis erecting bed is provided with Y-axis polished rod, y-axis stepper motor, X-axis erecting bed is slidably mounted on Y-axis polished rod, and y-axis stepper motor drives X-axis erecting bed to slide on Y-axis polished rod, Z axis erecting bed is provided with Z axis polished rod, Z axis ball screw, Z axis stepper motor, Y-axis erecting bed is slidably mounted on Z axis polished rod, on Z axis ball screw and with Z axis ball screw threaded engagement, Z axis stepper motor is connected with Z axis ball leading screw driving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310352560.9A CN103465473B (en) | 2013-08-14 | 2013-08-14 | 3D printer Ball screw type serial structure rapid shaping structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310352560.9A CN103465473B (en) | 2013-08-14 | 2013-08-14 | 3D printer Ball screw type serial structure rapid shaping structure |
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| Publication Number | Publication Date |
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| CN103465473A CN103465473A (en) | 2013-12-25 |
| CN103465473B true CN103465473B (en) | 2016-01-13 |
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| CN201310352560.9A Expired - Fee Related CN103465473B (en) | 2013-08-14 | 2013-08-14 | 3D printer Ball screw type serial structure rapid shaping structure |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921333A (en) * | 2014-04-21 | 2014-07-16 | 苏州美迈快速制造技术有限公司 | Three-dimensional ink-jet printer for sand molds |
| CN103963304B (en) * | 2014-05-27 | 2016-06-08 | 青岛金石塞岛投资咨询服务有限公司 | Three-dimensional printer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2704471Y (en) * | 2004-04-05 | 2005-06-15 | 李淮 | Smelting stacking rapid forming apparatus by extending arm connected moulding bit |
| CN101693407A (en) * | 2009-10-29 | 2010-04-14 | 凌聿辉 | Numerically-controlled plastic thin-layer sediment moulding machine |
| CN103182781A (en) * | 2011-12-29 | 2013-07-03 | 上海富奇凡机电科技有限公司 | Single-nozzle melt-extrusion-type three-dimensional printer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040195211A1 (en) * | 2002-08-12 | 2004-10-07 | Yung-Tsai Chuo | Double-axis double-speed linear motor mechanism |
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2013
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2704471Y (en) * | 2004-04-05 | 2005-06-15 | 李淮 | Smelting stacking rapid forming apparatus by extending arm connected moulding bit |
| CN101693407A (en) * | 2009-10-29 | 2010-04-14 | 凌聿辉 | Numerically-controlled plastic thin-layer sediment moulding machine |
| CN103182781A (en) * | 2011-12-29 | 2013-07-03 | 上海富奇凡机电科技有限公司 | Single-nozzle melt-extrusion-type three-dimensional printer |
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| CN103465473A (en) | 2013-12-25 |
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Owner name: MA'ANSHAN ZHUANGYUANLANG ELECTRONICS TECHNOLOGY CO Free format text: FORMER OWNER: ANHUI ZHUANGYUANLANG ELECTRONIC TECHNOLOGY CO., LTD. Effective date: 20140320 |
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Effective date of registration: 20140320 Address after: 243000 Anhui Province, Ma'anshan City Economic Development Zone, Road No. 399, B200-1, B200 in the center section of B201 and B202 Applicant after: MAANSHAN ZHUANGYUANLANG ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 231200 No. 379, Jade Road, peach blossom Industrial Park, Feixi County, Anhui, Hefei Applicant before: ANHUI ZHUANGYUANLANG ELECTRONIC TECHNOLOGY Co.,Ltd. |
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Inventor after: Chen Xing Inventor after: Dong Zixia Inventor after: Li Pu Inventor after: Wang Qianru Inventor before: Zhou Jianhua Inventor before: Ji Jianhua Inventor before: Dong Zixia Inventor before: Li Pu Inventor before: Wang Qianru |
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