CN105751512A - Multi-nozzle high-speed 3D printing apparatus and printing method thereof - Google Patents
Multi-nozzle high-speed 3D printing apparatus and printing method thereof Download PDFInfo
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- CN105751512A CN105751512A CN201610250215.8A CN201610250215A CN105751512A CN 105751512 A CN105751512 A CN 105751512A CN 201610250215 A CN201610250215 A CN 201610250215A CN 105751512 A CN105751512 A CN 105751512A
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- printing
- printing head
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/115—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
Abstract
The invention provides a multi-nozzle high-speed 3D printing apparatus and a printing method thereof.Multiple nozzles are designed, the nozzles with small diameter are used as profile printing nozzles to print a profile; the nozzles with large diameter are used as filling printing nozzles to fill the interior of a model.During slicing, interior filling data and profile data for each layer of the model are processed separately, parameters for the profile printing nozzles and filling printing nozzles are input to a slicing software system for calculating, and then it is possible to acquire filling printing nozzle data and profile printing nozzle data and distribute them to the filling printing nozzles and the profile printing nozzles.The printing speed is increased greatly at the premise of ensuring the precision, most types of 3D printing techniques are covered, 3D printing manufacture can provide a short production cycle both in the production of large-sized industrial equipment and the production of small-sized tabletop apparatus and ensure product continuity and upgradability for existing 3D printers.
Description
Technical field
The invention belongs to 3D and print Rapid Prototyping technique field, particularly relate to a kind of ultra-large type 3D print system and application thereof.
Background technology
3D printing technique is also increasing material manufacturing technology.It is by material by pointwise to the mode successively stacked by product manufacturing out.Manufacture relative to traditional material that subtracts, have with short production cycle, production process is few and the feature such as production figures.From low-carbon (LC) manufacture view, in 3D manufacturing technology, product needed how many materials just directly print how many materials, and resource utilization is high, energy-conserving and environment-protective.Therefore there is good application prospect, be current international study hotspot.3D prints and adopts the mode successively accumulated, and when printer model is larger in size, molding time is tens hours.
The classification technically of current 3D printing technique is mainly classified according to the material (consumptive material) printed, and is broadly divided into FDM(fusion sediment), SLS(selective laser sintering method), SLA(Stereolithography method), the fusing of SLM(metal powder laser) and the solidification of DLP(projector light) etc..
Before the printing, it is necessary to being processed by the 3D mathematical model of product, this process is called slicing treatment by us, in fact exactly model is carried out on computers " body-face-line-point " inversely processing process.FDM, SLS, SLA and SLM adopt " point-line-face-body " forming process, and DLP adopts " face-body " forming process.The current commonly used single sprinkler design of 3D printing shaping technology, under same mechanical transmission structure, nozzle is too small, and printing precision is high, but print speed is substantially reduced；Nozzle is excessive, then just the opposite.Especially in large-scale 3D printer applications process, this feature with short production cycle of 3D printing technique has not existed, and greatly reduces the widespread popularity of 3D printing technique.
Although, patent documentation 1(Chinese Patent Application No.: 201510437199.9) disclose a kind of many shower nozzles FDM model Method of printing at high speed, three-dimensional modeling data is carried out non-isochoric section, for multiple different layers slab data, use control algolithm, assign them to the shower nozzle of multiple different bore, in nozzle structure, the shower nozzle of different bores mutually can switch in print procedure, each shower nozzle goes out model silhouette according to many corresponding synusia data print on demand and carries out internal filling, each synusia data are printed by successively cumulative in order, finally realize the flying print of threedimensional model file.Inventor have found that, a model is cut into different thickness by the program, causes that the details of model cannot show consideration for global consistency.
Summary of the invention
In order to solve problem in prior art, the present invention proposes a kind of many shower nozzles high speed 3D printing device and Method of printing, it is possible under the premise ensureing precision, be greatly enhanced print speed.
The present invention is achieved through the following technical solutions:
A kind of Method of printing of many shower nozzles high speed 3D printing device, described method includes: first obtain the model data to print, the thickness such as threedimensional model carries out are cut into slices, every layer model internal filling data are separated process with outline data, according to profile printing head and filling printing head Nozzle Parameter, model data is converted, respectively obtain filling printing head data and profile printing head data, to distribute to filling printing head and profile printing head；Model is carried out flying print by the printing head system using many nozzle structures based on the slice of data obtained.
As a further improvement on the present invention, described printing head system includes multiple printing head, and shower nozzle is divided into two classes, and a class is profile shower nozzle, another kind of for filling shower nozzle.
As a further improvement on the present invention, the injection bore of the plurality of printing head is different, fills the nozzle diameter nozzle diameter more than profile shower nozzle of shower nozzle.
As a further improvement on the present invention, the arrangement mode of shower nozzle is fixed on the heat block of nozzle system in order by the size of nozzle diameter.
Present invention also offers a kind of many shower nozzles high speed 3D printing device, printing head system and data handling system including many nozzle structures, wherein, described data handling system obtains the model data to print, the thickness such as threedimensional model carries out are cut into slices, every layer model internal filling data are separated process with outline data, according to profile printing head and filling printing head Nozzle Parameter, model data is converted, respectively obtain filling printing head data and profile printing head data, to distribute to filling printing head and profile printing head, described printing head system includes multiple printing head, shower nozzle is divided into two classes, one class is profile shower nozzle, another kind of for filling shower nozzle；Use described printing head system that model is carried out flying print based on the slice of data obtained.
The invention has the beneficial effects as follows: employing many nozzle printings technology of the present invention, heavy caliber shower nozzle is filled for inside, and small-bore shower nozzle prints for exterior contour, under the premise ensureing precision, is greatly enhanced print speed；Adopt model many shower nozzles slicing treatment technology, can extensively contain the 3D printing technique of most kind so that manufacture in large scale industry level device no matter 3D prints, or small table machine can remain feature with short production cycle；Existing equipment can be upgraded to many head-type high speed 3D printer without doing too many change (increase printing head) by the present invention, it is ensured that the product continuity of existing 3D printer and upgradability.
Accompanying drawing explanation
Fig. 1 is the printing head schematic diagram of many shower nozzles high speed 3D printing device of the present invention；
Fig. 2 is the schematic diagram in many shower nozzles high speed 3D Method of printing of the present invention, model cut into slices.
Detailed description of the invention
Illustrate below in conjunction with accompanying drawing and detailed description of the invention the present invention is further described.
The present invention is on existing 3D printer basis, list printing head is upgraded to many printing heads (two class printing heads, one class is for filling printing head, another kind of for profile printing head), and realize many printing heads slicing treatment in the process of model (3D mathematical model).Thus realizing flying print, promote 3D print speed.Extensive use major part 3D printer of the present invention, is equally applicable in the design of ultra-large type 3D print system, for improving the print speed of 3D printer.
The working method of the present invention is divided into two parts, and Part I is many sprinkler design, and multiple printing heads divide two classes, and a class is for filling printing head, another kind of for profile printing head.This sentences two printing heads is example, as shown in Figure 1, using shower nozzle less for one of them bore of three printing heads as profile printing head, is used for printing profile；The bigger shower nozzle of two other bore, as filling printing head, is used for filling inside model.
Part II is that model slice processes.In order to realize function above, it is necessary to 3D mathematical model is carried out special slicing treatment, in slicing processes, as shown in Figure 2, every layer model internal filling data are separated process with outline data, in accompanying drawing 2, peripheral bold portion is the profile of model, and internal evil line part is the filling part of model.Profile printing head and filling printing head Nozzle Parameter are input in Slice Software system and carry out computing, then can respectively obtain filling printing head data and profile printing head data, to distribute to filling printing head and profile printing head.During section, the thickness of each layer is identical.
In print procedure, 3D printer prints with filling data exchange printing head and profile printing head according to the outline data of every layer.Until completing the printing of 3D model.
Patent of the present invention compared with prior art, has the advantage that and beneficial effect:
1, the present invention adopts many nozzle printings technology.Heavy caliber shower nozzle is filled for inside, and small-bore shower nozzle prints for exterior contour, under the premise ensureing precision, is greatly enhanced print speed.
2, the present invention adopts model many shower nozzles slicing treatment technology, can extensively contain the 3D printing technique of most kind.No matter making 3D print to manufacture in large scale industry level device, or small table machine can remain feature with short production cycle.
3, existing equipment can be upgraded to many head-type high speed 3D printer without doing too many change (increase printing head) by the present invention, it is ensured that the product continuity of existing 3D printer and upgradability.
4, present invention greatly reduces the time-write interval of 3D model, improve 3D printer model shaping speed, in particular for large-scale 3D printing device.
5, the different layers thickness correspondence difference shower nozzle switch operating of middle employing compared to existing technology, the present invention is simple and practical in the know-why realize flying print, one model is cut into different thickness, the details causing model cannot show consideration for global consistency, and model the layer thickness such as is cut into and can guarantee that all details concordance of model.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, it is impossible to assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace, protection scope of the present invention all should be considered as belonging to.
Claims (8)
1. the Method of printing of the printing device of shower nozzle high speed 3D more than a kind, it is characterized in that: described method includes: first obtain the model data to print, the thickness such as threedimensional model carries out are cut into slices, every layer model internal filling data are separated process with outline data, according to profile printing head and filling printing head Nozzle Parameter, model data is converted, respectively obtain filling printing head data and profile printing head data, to distribute to filling printing head and profile printing head；Model is carried out flying print by the printing head system using many nozzle structures based on the slice of data obtained.
2. Method of printing according to claim 1, it is characterised in that: described printing head system includes multiple printing head, and shower nozzle is divided into two classes, and a class is profile shower nozzle, another kind of for filling shower nozzle.
3. Method of printing according to claim 2, it is characterised in that: the injection bore of the plurality of printing head is different, fills the nozzle diameter nozzle diameter more than profile shower nozzle of shower nozzle.
4. Method of printing according to claim 2, it is characterised in that: the arrangement mode of shower nozzle is fixed on the heat block of nozzle system in order by the size of nozzle diameter.
5. shower nozzle high speed 3D printing device more than a kind, it is characterized in that: described printing device includes printing head system and the data handling system of many nozzle structures, wherein, described data handling system obtains the model data to print, the thickness such as threedimensional model carries out are cut into slices, every layer model internal filling data are separated process with outline data, according to profile printing head and filling printing head Nozzle Parameter, model data is converted, respectively obtain filling printing head data and profile printing head data, to distribute to filling printing head and profile printing head, described printing head system includes multiple printing head, shower nozzle is divided into two classes, one class is profile shower nozzle, another kind of for filling shower nozzle；Use described printing head system that model is carried out flying print based on the slice of data obtained.
6. 3D printing device according to claim 5, it is characterised in that: it is two classes that described printing head system includes multiple printing head, and a wherein less class is profile shower nozzle, another kind of for filling shower nozzle.
7. 3D printing device according to claim 5, it is characterised in that: the injection bore of the plurality of printing head is different, fills the nozzle diameter nozzle diameter more than profile shower nozzle of shower nozzle.
8. 3D printing device according to claim 5, it is characterised in that: the arrangement mode of shower nozzle is fixed on the heat block of nozzle system in order by the size of nozzle diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610250215.8A CN105751512A (en) | 2016-04-20 | 2016-04-20 | Multi-nozzle high-speed 3D printing apparatus and printing method thereof |
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| CN201610250215.8A CN105751512A (en) | 2016-04-20 | 2016-04-20 | Multi-nozzle high-speed 3D printing apparatus and printing method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107263670A (en) * | 2017-07-18 | 2017-10-20 | 机械科学研究总院先进制造技术研究中心 | A kind of increasing material manufacturing method of gypsum base bossage material |
| CN107322926A (en) * | 2017-07-18 | 2017-11-07 | 机械科学研究总院先进制造技术研究中心 | A kind of increasing material manufacturing equipment of gypsum base bossage material |
| CN108297395A (en) * | 2017-11-07 | 2018-07-20 | 杭州先临三维云打印技术有限公司 | A kind of model production method based on 3D printing |
| CN108422660A (en) * | 2018-06-14 | 2018-08-21 | 南通理工学院 | One kind being based on DLP projection photocurables 3 D-printing method and equipment |
| CN108656557A (en) * | 2018-08-02 | 2018-10-16 | 北华大学 | A kind of two-dimentional mutative scale scanning molding 3D printing technique based on slice figure |
| CN109016070A (en) * | 2018-09-29 | 2018-12-18 | 武汉理工大学 | Double spray head extruded type ceramics 3D printers and its Method of printing |
| CN113118470A (en) * | 2021-04-21 | 2021-07-16 | 昆山盛祥新材料科技有限公司 | Multi-nozzle assembly for digital additive manufacturing based on selective laser melting forming technology |
| WO2022016938A1 (en) * | 2020-07-20 | 2022-01-27 | 苏州美梦机器有限公司 | 3d printing system and method |
| CN114248376A (en) * | 2021-11-09 | 2022-03-29 | 浙江抟原复合材料有限公司 | Method for printing composite material mold by large gantry 3D additive manufacturing equipment |
| CN114789557B (en) * | 2022-05-16 | 2023-07-25 | 马鞍山嘉兰智造科技有限公司 | Multi-nozzle printing method of 3d printer |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107263670A (en) * | 2017-07-18 | 2017-10-20 | 机械科学研究总院先进制造技术研究中心 | A kind of increasing material manufacturing method of gypsum base bossage material |
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| CN107322926B (en) * | 2017-07-18 | 2020-10-27 | 北京机科国创轻量化科学研究院有限公司 | Additive manufacturing equipment for gypsum-based relief decorative material |
| CN108297395A (en) * | 2017-11-07 | 2018-07-20 | 杭州先临三维云打印技术有限公司 | A kind of model production method based on 3D printing |
| CN108422660A (en) * | 2018-06-14 | 2018-08-21 | 南通理工学院 | One kind being based on DLP projection photocurables 3 D-printing method and equipment |
| CN108656557A (en) * | 2018-08-02 | 2018-10-16 | 北华大学 | A kind of two-dimentional mutative scale scanning molding 3D printing technique based on slice figure |
| CN109016070A (en) * | 2018-09-29 | 2018-12-18 | 武汉理工大学 | Double spray head extruded type ceramics 3D printers and its Method of printing |
| CN109016070B (en) * | 2018-09-29 | 2019-11-08 | 武汉理工大学 | Double spray head extruded type ceramics 3D printers and its Method of printing |
| WO2022016938A1 (en) * | 2020-07-20 | 2022-01-27 | 苏州美梦机器有限公司 | 3d printing system and method |
| CN113118470A (en) * | 2021-04-21 | 2021-07-16 | 昆山盛祥新材料科技有限公司 | Multi-nozzle assembly for digital additive manufacturing based on selective laser melting forming technology |
| CN114248376A (en) * | 2021-11-09 | 2022-03-29 | 浙江抟原复合材料有限公司 | Method for printing composite material mold by large gantry 3D additive manufacturing equipment |
| CN114789557B (en) * | 2022-05-16 | 2023-07-25 | 马鞍山嘉兰智造科技有限公司 | Multi-nozzle printing method of 3d printer |
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