CN103640221A - 3D (three dimensional) printing device - Google Patents
3D (three dimensional) printing device Download PDFInfo
- Publication number
- CN103640221A CN103640221A CN201310690756.9A CN201310690756A CN103640221A CN 103640221 A CN103640221 A CN 103640221A CN 201310690756 A CN201310690756 A CN 201310690756A CN 103640221 A CN103640221 A CN 103640221A
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- China
- Prior art keywords
- forming part
- printing device
- cross sectional
- sectional shape
- tubules
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- 238000007639 printing Methods 0.000 title abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 59
- 238000007599 discharging Methods 0.000 claims abstract description 34
- 238000010146 3D printing Methods 0.000 claims abstract description 28
- 210000005239 tubule Anatomy 0.000 claims description 80
- 238000000034 method Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 2
- 238000005192 partition Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 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
- 238000001816 cooling Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
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Abstract
The invention discloses a 3D (three dimensional) printing device and overcomes the defects that the shapes and the sizes of materials extruded by existing printing devices cannot be changed. The device comprises a pipeline (3) for feeding materials, wherein the pipeline (3) comprises a to-be-softened material feeding section (31) for conveying softened materials, the to-be-softened material feeding section (31) comprises a forming part (311) of which the section is grid-shaped, a discharging hole (21) is formed in the tail end of the forming part (311), and a diameter-variable control member (4) capable of changing the shapes and/or the sizes of sections of the materials extruded from the discharging hole (21) is arranged to be unparallel with the axis of the forming part (311). According to the 3D printing device disclosed by the invention, the thicknesses of the softened materials extruded from the discharging hole can be selectively changed before the printing or in the printing process.
Description
Technical field
The present invention relates to printing device, relate in particular to a kind of 3D printing device.
Background technology
3D printing device is by the nozzle on it, and softening material, as printing consumables or raw-food material etc., is printed on to workbench etc. and locates.Current 3D printing device, have plenty of the specific thickness that feeding solidifies filamentary material and by its melting or softening after, by discharging opening, extrude (being also referred to as ejection) moulding, have plenty of the material utilizing under preserving jar storage melting or soft state and extrude and moulding by discharging opening.
But, the shape of these 3D printing device discharging openings and/or size are fixed, the consumptive material of extruding can only be filiform or the bar of determining shape and size after solidifying, this also just defines the application scenario of 3D printing device, makes printing device can not adjust in real time according to the needs of printing the shape and size of the material of extruding from discharging opening.
Summary of the invention
Technical problem to be solved by this invention is to overcome the defect that the shape and size of the material that current 3D printing device extrudes cannot change.
In order to solve the problems of the technologies described above, the application's embodiment provides a kind of 3D printing device, wherein, the pipeline that this equipment comprises feeding material (3), described pipeline (3) comprises the softening material feed section (31) of carrying softening material, described softening material feed section (31) includes the forming part that cross section is trellis (311), the end of described forming part (311) is discharging opening (21), can change cross sectional shape and/or the reducing control (4) of size and the non-parallel setting of axis of described forming part (311) of the material of extruding from described discharging opening (21).
Wherein, described forming part (311) includes the many tubules that be arranged in parallel (32).
Wherein, described reducing control (4) is set to change by opening or close part or all of tubule (32) in the described many tubules that be arranged in parallel (32) cross sectional shape and/or the size of the material of extruding from described discharging opening (21).
Wherein, the cross sectional shape of described forming part (311) comprises 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 tubules that be arranged in parallel; When the cross sectional shape of described forming part (311) is triangle, described forming part (311) includes triangle tubule and the trapezoidal tubule be arrangeding in parallel; When the cross sectional shape of described forming part (311) is rectangle, described forming part (311) includes the many rectangle tubules that be arranged in parallel; When the cross sectional shape of described forming part (311) is rhombus, described forming part (311) comprises two triangle tubules that be arranged in parallel; When the cross sectional shape of described forming part (311) is polygon, described forming part (311) comprises two trapezoidal tubules that be arranged in parallel.
Wherein, described reducing control (4) is through shell or the nozzle of described equipment.
Wherein, the vertical setting of axis of described reducing control (4) and described forming part (311).
Wherein, described reducing control (4) is arranged on described forming part (311) away from one end of described discharging opening (21).
Compared with prior art, the 3D printing device of the embodiment of the present application, can be according to the difference of the difference of print object and print object structure, by adjusting the shape and size of discharging opening, the thickness that optionally changes the softening material of extruding before printing or in print procedure from discharging opening, can improve print speed and operating efficiency.The application's embodiment can be by controlling reducing control, adjust cross sectional shape and the thickness of the material of extruding from discharging opening manually or automatically.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of the 3D printing device of the embodiment of the present application.
Fig. 2 to Fig. 6 is respectively the multiple section shape schematic diagram of forming part in the 3D printing device of the embodiment of the present application.
The specific embodiment
Below with reference to drawings and Examples, describe embodiments of the present invention in detail, to the present invention, how application technology means solve technical problem whereby, and the implementation procedure of reaching technique effect can fully understand and implement according to this.Each feature in the embodiment of the present application and embodiment, the mutually combining under prerequisite of not conflicting mutually, all within protection scope of the present invention.
As shown in Figure 1, the 3D printing device of the embodiment of the present application includes the pipeline 3 of feeding material.This material ratio as can be printing consumables such as ABS or PLA filament, can be also that food is 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 can heat to soften to the material of feeding the heating element heater 2 of material, and the material of feeding continues to be promoted to enter softening material feed section 31 by the material of follow-up feeding and carries after bringing-up section 30 is softening.The end of softening material feed section 31 is discharging opening 21.Softening material proceeds to after discharging opening 21 in softening material feed section 31, is extruded, through the cooling after-hardening sizing of air from discharging opening 21.
When softening material advances in softening material feed section 31, be subject to the softening especially restriction of the shape of discharging opening 21 of material feed section 31, softening material, 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.That is to say, softening material feed section 31 and 21 pairs of softening materials of discharging opening have moulding effect.
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, is also that forming part 311 is the parts that comprise discharging opening 21 on softening material feed section 31.Thereby as shown in Figure 2, softening material feed section 31 becomes the many tubules that be arranged in parallel 32 in forming part 311, separates between adjacent two tubules 32 by partition 33.
As shown in Figure 1, the 3D printing device of the embodiment of the present application also comprises the reducing control 4 that can open or close part or all of tubule 32 in forming part 311.By control reducing control 4 towards or away from the axis of forming part 311, move, can change cross sectional shape and/or the size of the material of extruding from discharging opening 21.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 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 shown in Figure 1, in 3D printing device, pipeline 3 stretches out in housing 1 part outside and that comprise discharging opening 21 and is generally referred to as nozzle 2.In other embodiment of the application, reducing control 4 can be also can be perpendicular to the axis direction of pipeline 3 and through nozzle 2, and these embodiments are particularly useful for the 3D printing device that contains longer nozzle 2.
The application's embodiment, can adopt manual adjustments reducing control 4 to change cross sectional shape and the size of the material of extruding from discharging opening 21, also can adopt automatic control mode to regulate reducing control 4 to change cross sectional shape and the size of the material of extruding from discharging opening 21.For the automatic control under manual control or part situation, can be by the outside at housing 1 or nozzle 2, operation reducing control 4 moves along the axis direction perpendicular to pipeline 3, just can change cross sectional shape and the size of the material of extruding 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 away from one end of discharging opening 21, be convenient to when needs are controlled the shape of the material extrude from discharging opening and/or size, at port, open or close the part or all of tubule in forming part 311, change flow and the flow velocity of softening material in forming part 311, and can in forming part 311, not form accumulation.
In the application's embodiment, the cross sectional shape of forming part 311 is such as being circle, triangle, rectangle, rhombus or polygon.Wherein, it is circular forming part 311 that Fig. 2 shows cross sectional shape, it is leg-of-mutton forming part 311 that Fig. 3 shows cross sectional shape, Fig. 4 shows the forming part 311 that cross sectional shape is rectangle, Fig. 5 shows the forming part 311 that cross sectional shape is rhombus, and it is hexagonal forming part 311 that Fig. 6 shows cross sectional shape.
As shown in Figures 2 to 6, the forming part 311 of different cross section shape, the cross sectional shape of the tubule 32 comprising is also different.
Cross sectional shape is as shown in Figure 2 circular forming part 311, and the cross sectional shape of its tubule comprising 32 is for circular.Cross sectional shape is circular forming part 311, includes many equal diameters or circular tubule 41 not etc.Partition between adjacent two circular tubules 41, is filled between adjacent two circular tubules 41 as filler, avoids softening material to enter into the gap between adjacent two circular tubules 41.
As shown in Figure 3, cross sectional shape is leg-of-mutton forming part 322, includes a triangle tubule 51 and a trapezoidal tubule 52, can be corresponding to wherein any one arranges reducing control.Corresponding to the reducing control of forming part shown in Fig. 3 322, can open or close triangle tubule 51 and unlimited trapezoidal tubule 52, make when opening or closing triangle tubule 51, trapezoidal tubule 52 can be carried softening material always.In other embodiment, the reducing control that can open or close trapezoidal tubule 52 and open wide triangle tubule 51 is set, be equally also feasible.While, as the tablet 53 of the wall of triangle tubule 51 and trapezoidal tubule 52, separates triangle tubule 51 and trapezoidal tubule 52, is the partition between triangle tubule 51 and trapezoidal tubule 52.
As shown in Figure 4, the forming part 311 that cross sectional shape is rectangle, includes three rectangle tubules 61.Certainly, in other embodiments, the forming part 311 of square-section, also can comprise the rectangle tubule 61 of other quantity, and the size of these rectangle tubules 61 can equate also can be unequal.In three rectangle tubules 61 as shown in Figure 4, two rectangle tubules 61 of both sides are respectively provided with a reducing control, and can control independently of one another corresponding rectangle tubule 61 between these two reducing controls.And one of them reducing control can also be arranged to control middle rectangle tubule 61.Certainly, also can a reducing control be set for rectangle tubule 61, be also feasible.As shown in Figure 4, the while, as the tablet 62 of the wall of adjacent two rectangle tubules 61, separates out adjacent two rectangle tubules 61, is 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 that are positioned at both sides as shown in Figure 4 each self-purchased reducing control, one of them reducing control (Fig. 1 left side shown in reducing control 4) for the rectangle tubule 61 that can open or close in open mode, another reducing control (reducing control 4 shown in Fig. 1 right side) for the rectangle tubule 61 that can open or close in closed condition.In this case, two materials that transmission softening of softening material in three rectangle tubules 61.The tablet 62 of the wall of the adjacent two rectangle tubules 61 of the conduct shown in Fig. 4, is partition shown in Fig. 1 33.
As shown in Figure 5, the forming part 311 that cross sectional shape is rhombus, includes two triangle tubules 71, and the application's embodiment is provided with reducing control corresponding to a triangle tubule 71 wherein.Certainly, also can a reducing control be set respectively independently of one another for two triangle tubules 71, or be that two triangle tubules 71 arrange a reducing control, be also feasible.As shown in Figure 5, the while, as the tablet 72 of the wall of two triangle tubules 71, separates out adjacent two triangle tubules 71, is 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, and the application's embodiment is provided with reducing control corresponding to a trapezoidal tubule 81 wherein.Certainly, also can a reducing control be set respectively independently of one another for two trapezoidal tubules 81, or be that two trapezoidal tubules 81 arrange a reducing control, be also feasible.As shown in Figure 6, the while, as the tablet 82 of the wall of two trapezoidal tubules 81, separates out adjacent two trapezoidal tubules 81, is the partition between adjacent two trapezoidal tubules 81.
The reducing control 4 matching with the forming part 311 of various cross sectional shapes, in the shape being parallel on forming part 311 axis directions, can block at least one tubule in forming part 311.Such as, corresponding to circular tubule 41 as shown in Figure 2, the end of corresponding reducing control, is at least the semi-circular structure with circular tubule 41 same diameter, and the lateral dimension of the handle being connected with this semi-circular structure is at least with the diameter of circular tubule 41 etc.The reducing control that certainly, can cover a circular tubule 41 by movement but not block adjacent circular tubule 41 is all feasible.
The application's embodiment, goes for other 3D printer of family expenses rank, commercial rank or technical grade, and the 3D that goes for too hand-held prints pen.
Although the disclosed embodiment of the present invention as above, the embodiment that described content only adopts for ease of understanding the present invention, not in order to limit the present invention.Those of skill in the art under any the present invention; do not departing under the prerequisite of the disclosed spirit and scope of the present invention; can in the form of implementing and details, carry out any modification and variation; but scope of patent protection of the present invention, still must be as the criterion with the scope that appending claims was defined.
Claims (8)
1. a 3D printing device, wherein, the pipeline that this equipment comprises feeding material (3), described pipeline (3) comprises the softening material feed section (31) of carrying softening material, described softening material feed section (31) includes the forming part that cross section is trellis (311), the end of described forming part (311) is discharging opening (21), can change cross sectional shape and/or the reducing control (4) of size and the non-parallel setting of axis of described forming part (311) of the material of extruding from described discharging opening (21).
2. 3D printing device according to claim 1, wherein, described forming part (311) includes the many tubules that be arranged in parallel (32).
3. 3D printing device according to claim 2, wherein, described reducing control (4) is set to change by opening or close part or all of tubule (32) in the described many tubules that be arranged in parallel (32) cross sectional shape and/or the size of the material of extruding from described discharging opening (21).
4. 3D printing device according to claim 2, wherein, the cross sectional shape of described forming part (311) comprises circle, triangle, rectangle, rhombus or polygon.
5. 3D printing device according to claim 4, wherein:
When the cross sectional shape of described forming part (311) is circular, described forming part (311) includes the many circular tubules that be arranged in parallel;
When the cross sectional shape of described forming part (311) is triangle, described forming part (311) includes triangle tubule and the trapezoidal tubule be arrangeding in parallel;
When the cross sectional shape of described forming part (311) is rectangle, described forming part (311) includes the many rectangle tubules that be arranged in parallel;
When the cross sectional shape of described forming part (311) is rhombus, described forming part (311) comprises two triangle tubules that be arranged in parallel;
When the cross sectional shape of described forming part (311) is polygon, described forming part (311) comprises two trapezoidal tubules that be arranged in parallel.
6. 3D printing device according to claim 1, wherein, described reducing control (4) is through shell or the nozzle of described equipment.
7. 3D printing device according to claim 1, wherein, the vertical setting of axis of described reducing control (4) and described forming part (311).
8. 3D printing device according to claim 7, wherein, described reducing control (4) is arranged on described forming part (311) away from one end of 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 |
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| Publication Number | Publication Date |
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| CN103640221A true CN103640221A (en) | 2014-03-19 |
| CN103640221B 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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| CN (1) | CN103640221B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441651A (en) * | 2014-05-31 | 2015-03-25 | 福州大学 | Diameter controllable nozzle for 3D printing machine |
| CN104441657A (en) * | 2014-11-12 | 2015-03-25 | 广东工业大学 | Aperture-controllable spray head of three-dimensional (3D) printer, and control method of spray head |
| WO2016004641A1 (en) * | 2014-07-11 | 2016-01-14 | 东莞中国科学院云计算产业技术创新与育成中心 | 3d printer nozzle structure and speed and precision control method thereof |
| 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 |
| 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 |
| CN109821583A (en) * | 2019-03-18 | 2019-05-31 | 南京师范大学 | A kind of processing method of the profiled-cross-section microchannel chip based on FDM 3 D-printing |
| US11254056B2 (en) | 2017-07-25 | 2022-02-22 | Hewlett-Packard Development Company, L.P. | Feeding mechanisms for 3D printers |
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|---|---|---|---|---|
| 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 |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441651A (en) * | 2014-05-31 | 2015-03-25 | 福州大学 | Diameter controllable nozzle for 3D printing machine |
| 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 |
| WO2016004641A1 (en) * | 2014-07-11 | 2016-01-14 | 东莞中国科学院云计算产业技术创新与育成中心 | 3d printer nozzle structure and speed and precision control method thereof |
| 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 |
| CN104441657A (en) * | 2014-11-12 | 2015-03-25 | 广东工业大学 | Aperture-controllable spray head of three-dimensional (3D) printer, and control method of spray head |
| 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 |
| US11254056B2 (en) | 2017-07-25 | 2022-02-22 | Hewlett-Packard Development Company, L.P. | Feeding mechanisms for 3D printers |
| CN109821583A (en) * | 2019-03-18 | 2019-05-31 | 南京师范大学 | A kind of processing method of the profiled-cross-section microchannel chip based on FDM 3 D-printing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103640221B (en) | 2016-06-08 |
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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 |
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