CN103640221B - A kind of 3D printing device - Google Patents
A kind of 3D printing device Download PDFInfo
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- CN103640221B CN103640221B CN201310690756.9A CN201310690756A CN103640221B CN 103640221 B CN103640221 B CN 103640221B CN 201310690756 A CN201310690756 A CN 201310690756A CN 103640221 B CN103640221 B CN 103640221B
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- forming part
- printing device
- cross sectional
- sectional shape
- discharging opening
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- 238000010146 3D printing Methods 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 59
- 238000007599 discharging Methods 0.000 claims abstract description 34
- 238000001125 extrusion Methods 0.000 claims abstract description 15
- 210000005239 tubule Anatomy 0.000 claims description 69
- 238000007639 printing Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 2
- 238000005192 partition Methods 0.000 description 7
- 239000003826 tablet Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000019219 chocolate Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Abstract
The invention discloses a kind of 3D printing device, overcome the defect that the shape and size of the material that current 3D printing device extrudes cannot change, this equipment comprises the pipeline (3) of feeding material, described pipeline (3) comprises softening material feed section (31) of the material of conveying softening, described softening material feed section (31) includes the forming part (311) that cross section is trellis, the end of described forming part (311) is discharging opening (21), the non-parallel setting of axis of the cross sectional shape of the material of extrusion and/or the reducing control (4) of size and described forming part (311) from described discharging opening (21) can be changed. the 3D printing device of the embodiment of the present application, it is possible to before printing or selectively change from discharging opening the thickness of material of softening of extrusion in print procedure.
Description
Technical field
The present invention relates to printing device, particularly relate to a kind of 3D printing device.
Background technology
3D printing device passes through nozzle thereon, by material such as printing consumables or the raw-food material etc. of softening, is printed upon work platforms etc. Current 3D printing device, after having plenty of the filamentary material of specific thickness that feeding solidifies and being melted or soften, extruded (also have and be referred to as ejection) molding by discharging opening, have plenty of and utilize preserving jar to store the material under melted or soft state and by discharging opening extrusion molding.
But, shape and/or the size of these 3D printing device discharging openings are fixing, the consumptive material of extrusion can only determine that filament or the bar of shape and size after hardening, this also just defines the application scenario of 3D printing device so that printing device can not according to the shape and the size that need to adjust in real time the material from discharging opening extrusion that print.
Summary of the invention
The technical problem to be solved is the defect that the shape and size of the material overcoming current 3D printing device to extrude cannot change.
In order to solve above-mentioned technical problem, embodiments herein provides a kind of 3D printing device, wherein, this equipment comprises the pipeline (3) of feeding material, described pipeline (3) comprises softening material feed section (31) of the material of conveying softening, described softening material feed section (31) includes the forming part (311) that cross section is trellis, the end of described forming part (311) is discharging opening (21), the non-parallel setting of axis of the cross sectional shape of the material of extrusion and/or the reducing control (4) of size and described forming part (311) from described discharging opening (21) can be changed.
Wherein, described forming part (311) includes the many tubules be arrangeding in parallel (32).
Wherein, described reducing control (4) is placed through cross sectional shape and/or the size of part or all of tubule (32) the change material of extrusion from described discharging opening (21) opening or closing in the described many tubules be arrangeding in parallel (32).
Wherein, the cross sectional shape of described forming part (311) includes circle, triangle, rectangle, rhombus or polygon.
Wherein, when the cross sectional shape of described forming part (311) is circular, described forming part (311) includes the many circular capillaries be arrangeding in parallel;When the cross sectional shape of described forming part (311) is triangle, described forming part (311) includes the triangle tubule and trapezoidal tubule that be arranged in parallel; When the cross sectional shape of described forming part (311) is rectangle, described forming part (311) includes the many rectangle tubules be arrangeding in parallel; When the cross sectional shape of described forming part (311) is rhombus, described forming part (311) comprises two triangle tubules be arrangeding in parallel; When the cross sectional shape of described forming part (311) is polygon, described forming part (311) comprises two trapezoidal tubules be arrangeding in parallel.
Wherein, described reducing control (4) passes shell or the nozzle of described equipment.
Wherein, described reducing control (4) is vertically arranged with the axis of described forming part (311).
Wherein, described reducing control (4) is arranged on described forming part (311) one end away from described discharging opening (21).
Compared with prior art, the 3D printing device of the embodiment of the present application, the difference that can construct according to the difference of print object and print object, by adjusting the shape and size of discharging opening, before printing or print procedure selectively changes from discharging opening the thickness of material of softening of extrusion, it is possible to improve print speed and working performance. Embodiments herein can manually or automatically control reducing control, adjusts cross sectional shape and the thickness of the material of extrusion from discharging opening.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of the 3D printing device of the embodiment of the present application.
The multiple section schematic shapes of forming part in the 3D printing device of Fig. 2 to Fig. 6 respectively the embodiment of the present application.
Detailed description of the invention
Describing embodiments of the present invention in detail below with reference to drawings and Examples, to the present invention, how application technology means solve technical problem whereby, and the process that realizes reaching technique effect can fully understand and implement according to this. Each feature in the embodiment of the present application and embodiment, be combineding with each other under not colliding premise, all within protection scope of the present invention.
As it is shown in figure 1, the 3D printing device of the embodiment of the present application includes the pipeline 3 of feeding material. This material can be such as printing consumables such as ABS or PLA filament, it is also possible to be food such as chocolate etc. Pipeline 3 includes bringing-up section 30 and softening material feed section 31. The periphery of bringing-up section 30 is provided with the heating element heater 2 that the material of feeding can be heated softening material, and the material of feeding continues to be forced into softening material feed section 31 by the material of follow-up feeding after bringing-up section 30 softens and carries. The end of softening material feed section 31 is discharging opening 21. The material of softening is extruded after proceeding to discharging opening 21 in softening material feed section 31 from discharging opening 21, cools down after-hardening sizing through air.
When the material of softening advances in softening material feed section 31, restriction by the softening material feed section 31 especially shape of discharging opening 21, the material of softening, after discharging opening 21 is extruded, forms the thread or bar identical with the shape of softening material feed section 31 and discharging opening 21. It is to say, the material of softening is had moulding effect by softening material feed section 31 and discharging opening 21.
As shown in Figure 1, in the 3D printing device of the embodiment of the present application, softening material feed section 31 includes the forming part 311 that cross section is trellis, and discharging opening 21 is positioned at the end of forming part 311, namely forming part 311 is the part comprising discharging opening 21 on softening material feed section 31.Thus, as in figure 2 it is shown, softening material feed section 31 becomes the many tubules be arrangeding in parallel 32 in forming part 311, separated by partition 33 between adjacent two tubules 32.
As it is shown in figure 1, the 3D printing device of the embodiment of the present application also includes opening or closing the reducing control 4 of part or all of tubule 32 in forming part 311. Moved toward and away from the axis of forming part 311 by control reducing control 4, thus it is possible to vary the cross sectional shape of the material extruded from discharging opening 21 and/or size. The non-parallel setting of axis of reducing control 4 and forming part 311. More preferably, reducing control 4 can be perpendicular to the axis setting of forming part 311.
As it is shown in figure 1, in the 3D printing device of the embodiment of the present application, reducing control 4 can be perpendicular to the axis direction of pipeline 3, through the housing 1 of 3D printing device. As it is shown in figure 1, in 3D printing device, pipeline 3 stretches out in housing 1 part that is outside and that comprise discharging opening 21 and is commonly referred to as nozzle 2. In other embodiments of the application, reducing control 4 can also be can be perpendicular to the axis direction of pipeline 3 and through nozzle 2, and these embodiments are particularly suited for the 3D printing device containing longer nozzle 2.
Embodiments herein, manual adjustments reducing control 4 can be adopted to change cross sectional shape and the size of the material of extrusion from discharging opening 21, it would however also be possible to employ automatic control mode regulates reducing control 4 to change cross sectional shape and the size of the material of extrusion from discharging opening 21. For automatically controlling under Non-follow control or part situation, can pass through in the outside of housing 1 or nozzle 2, operation reducing control 4 carries out action along the axis direction being perpendicular to pipeline 3, it is possible to change cross sectional shape and the size of the material of extrusion from discharging opening 21.
As shown in Figure 1, in the 3D printing device of the embodiment of the present application, reducing control 4 is arranged on forming part 311 one end away from discharging opening 21, it is easy to when needing shape and/or the size controlling the material of extrusion from discharging opening, open or close the part or all of tubule in forming part 311 at port, change the material softened flow in forming part 311 and flow velocity, and accumulation will not be formed in forming part 311.
In embodiments herein, the cross sectional shape of forming part 311 can be such as circle, triangle, rectangle, rhombus or polygon. Wherein, Fig. 2 shows the forming part 311 that cross sectional shape is circle, Fig. 3 illustrates the forming part 311 that cross sectional shape is triangle, Fig. 4 illustrates the forming part 311 that cross sectional shape is rectangle, Fig. 5 illustrates that the forming part 311, Fig. 6 that cross sectional shape is rhombus illustrates that cross sectional shape is hexagonal forming part 311.
As shown in Figures 2 to 6, the forming part 311 of different cross section shape, the cross sectional shape of the tubule 32 comprised is also different.
Cross sectional shape as shown in Figure 2 is circular forming part 311, and the cross sectional shape of the tubule 32 that it comprises is circle. Cross sectional shape is circular forming part 311, includes many equal diameters or circular capillaries 41 not etc. Partition between adjacent two circular capillaries 41, is filled between adjacent two circular capillaries 41 as implant, it is to avoid the material of softening enters in the gap between adjacent two circular capillaries 41.
As it is shown on figure 3, the forming part 322 that cross sectional shape is triangle, include a triangle tubule 51 and a trapezoidal tubule 52, it is possible to corresponding to wherein any one arranges reducing control.Reducing control corresponding to forming part 322 shown in Fig. 3, it is possible to open or close triangle tubule 51 and open wide trapezoidal tubule 52 so that when opening or closing triangle tubule 51, trapezoidal tubule 52 can carry the material of softening always. In other examples, arrange and can open or close trapezoidal tubule 52 and open wide the reducing control of triangle tubule 51, also feasible. Simultaneously as the tablet 53 of triangle tubule 51 and the wall of trapezoidal tubule 52, separate triangle tubule 51 and trapezoidal tubule 52, for the partition between triangle tubule 51 and trapezoidal tubule 52.
As shown in Figure 4, cross sectional shape is the forming part 311 of rectangle, includes three rectangle tubules 61. Certainly, in other embodiments, the forming part 311 of square-section, it is also possible to comprise the rectangle tubule 61 of other quantity, the size of these rectangle tubules 61 can equal can also be unequal. In three rectangle tubules 61 as shown in Figure 4, two rectangle tubules 61 of both sides are each provided with a reducing control, and can control corresponding rectangle tubule 61 between the two reducing control independently of one another. And, one of them reducing control can also be arranged to control middle rectangle tubule 61. It is of course also possible to arrange a reducing control for rectangle tubule 61, also it is feasible. As shown in Figure 4, simultaneously as the tablet 62 of the wall of adjacent two rectangle tubules 61, adjacent two rectangle tubules 61 are separated out, for the partition between adjacent two rectangle tubules 61.
Forming part 311 shown in Fig. 1, the forming part 311 that is of expression comprises tubule 32 shown in three rectangle tubule 61(Fig. 1 as shown in Figure 4). Correspondingly, reducing control 4 shown in Fig. 1, represent be two rectangle tubules being positioned at both sides as shown in Figure 4 each self-purchased reducing control, one of them reducing control (shown on the left of Fig. 1 reducing control 4) is in open mode for the rectangle tubule 61 that can open or close, and another reducing control (shown on the right side of Fig. 1 reducing control 4) is closed for the rectangle tubule 61 that can open or close. In this case, the material of the material of softening two transmission softenings in three rectangle tubules 61. The tablet 62 of the wall as adjacent two rectangle tubules 61 shown in Fig. 4, is partition 33 shown in Fig. 1.
As it is shown in figure 5, the forming part 311 that cross sectional shape is rhombus, include two triangle tubules 71, embodiments herein, a wherein triangle tubule 71 is provided with reducing control. It is of course also possible to be respectively provided with a reducing control independently of one another for two triangle tubules 71, or it is that two triangle tubules 71 arrange a reducing control, is also feasible. As it is shown in figure 5, the tablet 72 of the wall simultaneously as two triangle tubules 71, adjacent two triangle tubules 71 are separated out, for the partition between adjacent two triangle tubules 71.
As shown in Figure 6, cross sectional shape is hexagonal forming part 311, includes two trapezoidal tubules 81, embodiments herein, a wherein trapezoidal tubule 81 is provided with reducing control. It is of course also possible to be respectively provided with a reducing control independently of one another for two trapezoidal tubules 81, or it is that two trapezoidal tubules 81 arrange a reducing control, is also feasible. As shown in Figure 6, simultaneously as the tablet 82 of the wall of two trapezoidal tubules 81, adjacent two trapezoidal tubules 81 are separated out, for the partition between adjacent two trapezoidal tubules 81.
The reducing control 4 matched with the forming part 311 of various cross sectional shapes, in the shape being parallel on forming part 311 axis direction, it is possible to block at least one tubule in forming part 311. Such as, corresponding to circular capillaries 41 as shown in Figure 2, the end of corresponding reducing control, be at least and the semi-circular structure of circular capillaries 41 same diameter, the lateral dimension of the handle being connected with this semi-circular structure at least with the diameter etc. of circular capillaries 41. Certainly, it is all feasible for can covering a circular capillaries 41 by movement but not block the reducing control of adjacent circular tubule 41.
Embodiments herein, it is possible to suitable in domestic level, commercial rank or the other 3D printer of technical grade, and, the 3D being equally applicable to hand-held prints pen.
Although the embodiment that disclosed herein is as above, but described content is only the embodiment readily appreciating the present invention and adopt, and is not limited to the present invention. Technical staff in any art of the present invention; under the premise without departing from the spirit and scope that disclosed herein; any amendment and change can be carried out in the form implemented and details; but the scope of patent protection of the present invention, still must be as the criterion with the scope that appending claims defines.
Claims (6)
1. a 3D printing device, wherein, this equipment comprises the pipeline (3) of feeding material, described pipeline (3) comprises softening material feed section (31) of the material of conveying softening, described softening material feed section (31) includes the forming part (311) that cross section is trellis, the end of described forming part (311) is discharging opening (21), thus it is possible to vary the non-parallel setting of axis of the cross sectional shape of the material of extrusion and/or the reducing control (4) of size and described forming part (311) from described discharging opening (21);
Described forming part (311) includes the many tubules be arrangeding in parallel (32);
Described reducing control (4) is placed through the part or all of tubule (32) opening or closing in the described many tubules be arrangeding in parallel (32) and changes cross sectional shape and/or the size of the material of extrusion from described discharging opening (21).
2. 3D printing device according to claim 1, wherein, the cross sectional shape of described forming part (311) includes circle, triangle, rectangle, rhombus or polygon.
3. 3D printing device according to claim 2, wherein:
When the cross sectional shape of described forming part (311) is circular, described forming part (311) includes the many circular capillaries be arrangeding in parallel;
When the cross sectional shape of described forming part (311) is triangle, described forming part (311) includes the triangle tubule and trapezoidal tubule that be arranged in parallel;
When the cross sectional shape of described forming part (311) is rectangle, described forming part (311) includes the many rectangle tubules be arrangeding in parallel;
When the cross sectional shape of described forming part (311) is rhombus, described forming part (311) comprises two triangle tubules be arrangeding in parallel.
4. 3D printing device according to claim 1, wherein, described reducing control (4) passes shell or the nozzle of described equipment.
5. 3D printing device according to claim 1, wherein, the axis of described reducing control (4) and described forming part (311) is vertically arranged.
6. 3D printing device according to claim 5, wherein, described reducing control (4) is arranged on described forming part (311) one end away from described discharging opening (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310690756.9A CN103640221B (en) | 2013-12-17 | 2013-12-17 | A kind of 3D printing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310690756.9A CN103640221B (en) | 2013-12-17 | 2013-12-17 | A kind of 3D printing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103640221A CN103640221A (en) | 2014-03-19 |
| CN103640221B true CN103640221B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310690756.9A Active CN103640221B (en) | 2013-12-17 | 2013-12-17 | A kind of 3D printing device |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441651B (en) * | 2014-05-31 | 2016-10-05 | 福州大学 | A kind of shower nozzle of the 3D printer of controlled diameter |
| TWI562883B (en) * | 2014-06-30 | 2016-12-21 | Taiwan Green Point Entpr Co | Discharging device of a three dimensional printer and the three dimensional printer |
| CN104085112B (en) * | 2014-07-11 | 2016-08-31 | 东莞中国科学院云计算产业技术创新与育成中心 | A kind of 3D printer head and speed and precision thereof regulate and control method |
| CN104336270B (en) * | 2014-10-09 | 2017-03-29 | 珠海天威飞马打印耗材有限公司 | 3 D-printing auxiliary device and 3 D-printing system |
| CN104441657B (en) * | 2014-11-12 | 2016-08-17 | 广东工业大学 | The 3D printer head of a kind of controlled bore and control method thereof |
| WO2019022720A1 (en) | 2017-07-25 | 2019-01-31 | Hewlett-Packard Development Company, L.P. | Feeding mechanisms for 3d printers |
| CN109821583B (en) * | 2019-03-18 | 2021-02-02 | 南京师范大学 | Processing method of special-shaped cross section micro-channel chip based on FDM three-dimensional printing |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5340433A (en) * | 1989-10-30 | 1994-08-23 | Stratasys, Inc. | Modeling apparatus for three-dimensional objects |
| CN102922745A (en) * | 2012-11-06 | 2013-02-13 | 中科院广州电子技术有限公司 | Three-dimensional printer extrusion head capable of feeding in switching mode |
-
2013
- 2013-12-17 CN CN201310690756.9A patent/CN103640221B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5340433A (en) * | 1989-10-30 | 1994-08-23 | Stratasys, Inc. | Modeling apparatus for three-dimensional objects |
| CN102922745A (en) * | 2012-11-06 | 2013-02-13 | 中科院广州电子技术有限公司 | Three-dimensional printer extrusion head capable of feeding in switching mode |
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| CN103640221A (en) | 2014-03-19 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Inventor after: Yang Lin Inventor before: Huang Jie |
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| COR | Change of bibliographic data | ||
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Effective date of registration: 20160316 Address after: Tianhe District Tong East Road Guangzhou city Guangdong province 510665 B-101 No. 5, room B-118 Applicant after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 266001 Shandong Province, Qingdao city Zhongshan Road No. 10 building 1988 room developed Applicant before: QINGDAO SHANGHUI INFORMATION TECHNOLOGY Co.,Ltd. |
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Address after: 5, No. 28, information road, 100085, Beijing, Haidian District, B5-1 Applicant after: BEIJING SHENZHOU LANDUN TECHNOLOGY Co.,Ltd. Address before: Tianhe District Tong East Road Guangzhou city Guangdong province 510665 B-101 No. 5, room B-118 Applicant before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. |
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Denomination of invention: A 3D printing device Granted publication date: 20160608 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: BEIJING SHENZHOU LANDUN TECHNOLOGY Co.,Ltd. Registration number: Y2024990000047 |