CN106079447B - A kind of 3 D-printing list drives auxiliary support apparatus - Google Patents
A kind of 3 D-printing list drives auxiliary support apparatus Download PDFInfo
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- CN106079447B CN106079447B CN201610530210.0A CN201610530210A CN106079447B CN 106079447 B CN106079447 B CN 106079447B CN 201610530210 A CN201610530210 A CN 201610530210A CN 106079447 B CN106079447 B CN 106079447B
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- movable supporting
- supporting plate
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- printing
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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
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Abstract
The invention discloses a kind of 3 D-printing lists to drive auxiliary support apparatus, including：Lift module；Mounting bracket is supported, on the mobile terminal of lifting module；Polylith movable supporting plate, is mutually parallel and continuous splicing is arranged in the width direction；Horizontal drive module on support mounting bracket, drives the movable supporting plate to translate along its length to form support profiles in support end；The 3 D-printing list drive auxiliary support apparatus realization of the present invention is three-dimensionally shaped to exempt from printing support, saving printed material and molding time, and repetition easy to implement and mass in the process.
Description
Technical field
The present invention relates to three Dimensional Printing of Rapid Prototyping technical fields, and Auxiliary support is driven more particularly to a kind of 3 D-printing list
Device.
Background technology
Three-dimensional printing technology (one kind of RP technique) is the fast short-term training to grow up middle and later periods the 1980s
The in-depth and development of shape technology, based on digital model file, come constructed object by way of successively printed material.Rely on
Great technical advantage, three-dimensional printing technology and big data, cloud computing, internet etc. are emerging and advanced technology becomes digitlization and makes
The main contents made and the driving main force of " made in China 2025 " are known as being expected to generate " the third time industrial revolution "
Representative art.
The technical characterstic that 3 D-printing is successively superimposed so that the forming process with hanging structure part must be introduced into auxiliary
Support, needs to remove these supplementary structures after being manufactured.The generation method of support construction is always that three-dimensional is beaten for a long time
The bottleneck of print technology development has important influence to molding time, manufacture surface quality.On 3 D-printing support generation side
Method has a large amount of scholars to be studied, and reaches the mesh saved the time-write interval and save backing material by optimizing support generating method
's.In these methods backing material be exactly often printed material in itself, have nonrepeatability, printing after the completion of need extra time
These auxiliary support structures are removed, printed material is not only wasted and also loses time.
Meanwhile three-dimensional printing technology is also there is some limitations, when there are (moulds during suspending part in the model for needing to print
It is empty under certain part in type, such as bridge), material is nowhere fixed after squeezing out also can not just to be shaped, and asked to solve this
Topic, printer needs first to print enough supporting modules, and supporting module is independently of the model that need to be printed, for the model that need to print
Suspending part provides fixation point.After the completion of model printing, suspending part is solidified as solid, at this time can remove supporting module.
Supporting module must meet two conditions, first, stabilized structure, can provide foot for the suspending part for the model that need to be printed
Support force that is enough and stablizing；Second is that be easily removed, it is impossible to need to print model bonding it is too tight so that model solidification after can not shell
From.But this support construction expends the time, wastes silk, and removes inconvenience.
To solve the above-mentioned problems, branch can be reduced by improving material or improving process route when printing at present
Support structure, such as the patent document of application publication number CN 105058798A disclose a kind of support of fused deposition modeling 3 D-printing
Module and its generation method, the supporting module are used to support the suspending part for the model for needing 3 D-printing.The supporting module bag
Multiple support units of spaced arrangement are included, to provide multiple fixation points to a suspending part.The supporting module is compared
In previous supporting module, can more easily be removed while the performance of support is kept from the suspending part of model.It is but new
Section bar material is expensive, and modified technique can cause program complicated, and the engine that prevents to increase income is from meeting printing requirement.
In conclusion based on the above problem, for the simple 3 D-printing structure of regular geometric cross sectional shape, propose it is a kind of according to
It is very necessary to form Auxiliary support by extraneous structure to reach saving material and saving time-write interval.
The content of the invention
The present invention provides a kind of 3 D-printing lists to drive auxiliary support apparatus, realizes that three-dimensionally shaped body exempts from printing support,
Printed material and molding time are saved, particularly suitable for simply supporting the mass production of print structure part.
A kind of 3 D-printing list drives auxiliary support apparatus, including：
Lift module；
Mounting bracket is supported, on the mobile terminal of lifting module；In order to protect each parts, the support mounting bracket one
As use babinet.
Polylith movable supporting plate, is mutually parallel and continuous splicing is arranged in the width direction；
Horizontal drive module, mounted on support mounting bracket on, the movable supporting plate is driven to translate along its length with
Support end forms support profiles.
The present invention cooperates mobile and lifts by polylith movable supporting plate, realizes the support to 3d print structures, has
There is the advantages of simple in structure, the repetition easy to implement of the driving structure by setting horizontal drive module and mass.It is propped up by activity
Fagging forms the support profiles needed, instead of this support structure of 3 D-printing, during so as to save printed material and shorten shaping
Between.
There are many realization method of the horizontal drive module, and the mechanical structure moved horizontally is also very much, can be individually
Driving, can also drive, in order to simplify structure, it is preferred that the horizontal drive module includes together：
Shaft, on the support mounting bracket, length extends along movable supporting plate width；
Multiple cams are fixedly mounted in the shaft, axially distributed and a pair of with polylith movable supporting plate difference one
It should install；
Multiple support mounting holes are opened on support mounting bracket, are distributed along movable supporting plate width, any activity branch
One end of fagging is abutted through corresponding support mounting hole and with the edge of corresponding cam；
Multiple return springs are socketed in respectively on multiple movable supporting plates, and any return spring is connected to corresponding activity branch
Between the edge of the locating piece of fagging and corresponding support mounting hole；
Rotational power source is used to that the shaft be driven to rotate on support mounting bracket.The rotational power source is general
Using driving motor.
The co- controlling to multiple cams is realized by a rotational power source in the present invention, as long as setting the shape of cam
Shape, you can obtain predetermined support track, overall structure is simple, is easy to implement mass production.
For the ease of manufacturing and installing, it is preferred that be fixed with the bar shaped being arranged in parallel with shaft on the support mounting bracket
Stent offers the support mounting hole on the bar shaped stent.
For the ease of manufacturing and installing, it is preferred that the return spring is between bar shaped stent and shaft.
The supporting section profile needed is formed in support end, it is preferred that the support peace in order to accurately control movable plate
Dress hole is square hole, and the movable supporting plate carries the via segments for being less than main part with square hole cooperation and width, the mistake
Hole section end is abutted with the edge of cam.
For the ease of manufacturing and installing, it is preferred that the periphery of the square hole towards the one side of shaft, which is recessed, to be used for
The round hole of embedded return spring end.
The supporting section profile needed is formed in support end, it is preferred that the cam in order to accurately control movable plate
Edge thickness be less than main body and form stepped ramp type edge, the end of corresponding movable supporting plate is equipped with and the stepped ramp type edge mate
Rectangular aperture.The rectangular aperture and stepped ramp type edge mate are more stable, and transmission is more accurate.
In order to improve the stability of lifting and precision, it is preferred that the lifting module uses the ball-screw of vertically-arranged.
Beneficial effects of the present invention：
The 3 D-printing list of the present invention drives auxiliary support apparatus, exempts from printing support during realization is three-dimensionally shaped, and saving is beaten
Print material and molding time, and repetition easy to implement and mass.
Description of the drawings
Fig. 1 is that the 3 D-printing list of the present invention drives the dimensional structure diagram of auxiliary support apparatus.
Fig. 2 is the movable supporting plate of the present invention and the dimensional structure diagram of horizontal drive module cooperation.
Fig. 3 is the dimensional structure diagram of Fig. 1 middle cases.
Fig. 4 is the structure diagram of the movable supporting plate of the present invention.
Fig. 5 is the structure diagram of the bar shaped stent of the present invention.
Fig. 6 is the structure diagram of the shaft of the present invention.
Fig. 7 is the structure diagram of the cam of the present invention.
Structure diagram when Fig. 8 is the operation that the present invention prints certain three-dimensional structure realization Auxiliary support.
Each reference numeral is in figure：
1. babinet, 2. driving motors, 3. case lids, 4. driving motors, 5. ball-screws, 6. movable supporting plates, 7. bar shaped branch
Frame, 8. shafts, 9. keys, 10. cams, 11. return springs, 12. have printed layer cross section, and 13. baffle rings, 14. print structures, 101. drive
Dynamic motor pedestal, 102. hanging plates, 103. through holes, 104. bolts, 105. rectangular through-holes, 106. circular through holes, 301. through holes, 302.
Bolt, 601. supporting surfaces, 602. rectangular apertures, 603. pins, 701. threaded rods, 702. first stepped holes, 703. second stepped holes,
704. rack bodies, 801. driving motor connecting rods, 802. keyways, 803. polished rods, 1001. boss, 1002. axis holes, 1003. keys
Slot.
Specific embodiment
With reference to each attached drawing, the present invention is described in detail：
As shown in Figure 1, the 3 D-printing list of the present embodiment drives auxiliary support apparatus, including：
Module is lifted, including ball-screw 5 and driving motor 4, by driving motor 45 nut of ball-screw is driven to drive case
Body 1 moves up and down, and is precisely controlled Support Position.
Bar shaped stent 7, in babinet 1；
The movable supporting plate 6 of multiple splicings, is arranged on bar shaped stent 7；
Return spring 11 is arranged between movable supporting plate 6 and bar shaped stent 7, applies certain to movable supporting plate 6
Clamp force.
Babinet 1, on 5 nut of ball-screw；
Shaft 8, on babinet 1；
Multiple cams 10, in shaft 8；
Driving motor 2 is drivingly connected on babinet 1 and with 8 one end of shaft.
3 D-printing list, which drives auxiliary support apparatus, can singly cover unilateral support use, set two sets in the present embodiment, symmetrically
Arrangement uses, as shown in figs. 1 and 8.
As shown in Fig. 2, the movable supporting plate and horizontal drive module of the present embodiment connect in the following manner, in shaft 8
Cam 10 it is circumferentially positioned by key 9, by 13 axially position of baffle ring.
As shown in figure 3, babinet 1 is equipped with hanging plate 102, bearing saddle bore, circular through hole 106, rectangular through-hole 105 and driving electricity
Foundation mass 101,8 both ends of shaft shown in Fig. 2 are mounted on bearing saddle bore, and 7 both ends of bar shaped stent are mounted on circular through hole 106
Upper and bolt is fixed, and movable supporting plate 6 is mounted on by rectangular through-hole 105 on bar shaped stent 7, and hanging plate 102 is equipped with through hole
103, babinet 1 is connected by hanging plate 102 by bolt 104 with the nut thread on ball-screw 5.
As shown in figure 4, the structure of movable supporting plate 6 is as follows：Equipped with pin hole and supporting surface 601, rectangular aperture 602, pin hole
Between bar shaped stent 7 in Fig. 2 be equipped with return spring 11, return spring 11 bar shaped stent 7 the first stepped hole 702 with being arranged on
Always compressive state is between pin 603 on movable supporting plate 6.First stepped hole 702 is used for return bullet for round hole
Spring 11.
As shown in figure 5,7 structure of bar shaped stent is as follows：It is round hole equipped with the first stepped hole 702, for installing return bullet
Spring 11, the second stepped hole 703 is square, for limiting 6 circumferential position of movable supporting plate, threaded rod 701, for bar shaped stent 7
It is fixed on babinet 1.
As shown in fig. 6,8 structure of shaft is as follows：Including driving motor connecting rod 801, for being connected with driving motor 2, key
Slot 802, for the installation of key 9, the bearing on polished rod 803, with babinet 1 is interference fitted, and realizes that shaft 8 drives in driving motor 2
Under rotate smoothly.
As shown in fig. 7, the structure of cam 10 is as follows, including the boss 1001, axis hole 1002 and keyway 1003 as edge,
Boss 1001 and 602 clearance fit of rectangular aperture of 6 end of movable supporting plate, keyway 1003 are interference fitted with the key 9 in shaft 8
To fix cam.
The assembling process of the present embodiment is as follows：
As shown in Fig. 1 to 7, movable supporting plate 6 is each passed through the second stepped hole 703 and the first ladder on bar shaped stent 7
Return spring 11 is sleeved on 6 end of movable supporting plate and one end and is positioned in the first stepped hole 702, pin 603 is passed through by hole 702
6 end pin hole of movable supporting plate completes 11 axially position of return spring；The support end of movable supporting plate 6 is passed through to the square of babinet 1
Shape through hole 105, and threaded rod 701 is connected through circular through hole 106 with rack body 704, nut is mounted on threaded rod 701
On, realize that bar shaped stent 7 is fixed；
As shown in Fig. 1~7, by shaft 8 pass through babinet 1 bearing saddle bore, by baffle ring 13, key 9, cam 10, baffle ring 13 according to
It is secondary to be mounted in shaft 8, and ensure the boss 1001 of cam 10 and 602 clearance fit of rectangular aperture of movable supporting plate 6, by suitable
All cams 10 are installed in shaft 8 by sequence, are finally connected driving motor 2 with the driving motor connecting rod 801 of shaft 8, until
This support drive module assembling terminates, and covers case lid 3, blending bolt 302 fixes case lid；
As shown in figs. 1 and 3, the hanging plate 102 on babinet 1 with the nut bolt 104 of ball-screw 5 is connected, will driven
Motor 4 is installed on ball-screw 5, and so far all module assemblings terminate.
The course of work of the present embodiment is as follows：
As shown in Fig. 1 to Fig. 8 when printer is printed to when needing supporting layer, 4 drive case 1 of driving motor moves up and down, from
And movable supporting plate 6 is driven to move to the layer for needing to support；2 drive shaft 8 of driving motor, band moving cam 10, driving activity branch
Fagging 6 is axially moved along the stepped hole on bar shaped stent 7, forms the support profiles 12 of needs, print head is with 6 He of movable supporting plate
Originally printable layer continues to print as the support construction of current layer.
Need what is illustrated, the present embodiment is for the simple printing knot shown in Fig. 8 with regular geometric cross sectional shape
Structure 14 has a good application prospect, and the labyrinth printout for irregular section is, it is necessary to design a variety of specific convex
Wheel construction to adapt to printing cross-sectional layers support requirement of different shapes, controls process as follows at this time：
When printer is printed to when needing supporting layer, 4 drive case 1 of driving motor moves up and down, so as to which drive activity is propped up
Fagging 6 moves to the layer for needing to support；2 drive shaft 8 of driving motor, band moving cam 10 drive movable supporting plate 6 along bar shaped branch
Stepped hole on frame 7 is axially moved, and forms the support profiles 12 of needs, print head is with movable supporting plate 6 and original printable layer
Support construction as current layer continues to print, and when printing to when needing the layer supported again, driving motor 4 controls shaft
8 drive movable supporting plates 6 retract, and 4 drive case 1 of driving motor moves up a thickness, and 2 drive shaft 8 of driving motor drives convex
Wheel 10, driving movable supporting plate 6 form new support profiles 12, and printer continues to complete next layer of printing.
The foregoing is merely the preferred embodiment of the present invention, not thereby limit the scope of patent protection of the present invention, all
It is the equivalent structure transformation made with description of the invention and accompanying drawing content, is directly or indirectly used in other relevant technologies
Field similarly includes within the scope of the present invention.
Claims (7)
1. a kind of 3 D-printing list drives auxiliary support apparatus, which is characterized in that including：
Lift module；
Mounting bracket is supported, on the mobile terminal of lifting module；
Polylith movable supporting plate, is mutually parallel and continuous splicing is arranged in the width direction；
Horizontal drive module on support mounting bracket, drives the movable supporting plate to translate along its length to support
End forms support profiles；
The horizontal drive module includes：
Shaft, on the support mounting bracket, length extends along movable supporting plate width；
Multiple cams are fixedly mounted in the shaft, axially distributed and correspond peace respectively with polylith movable supporting plate
Dress；
Multiple support mounting holes are opened on support mounting bracket, are distributed along movable supporting plate width, any movable supporting plate
One end abut through corresponding support mounting hole and with the edge of corresponding cam；
Multiple return springs are socketed in respectively on multiple movable supporting plates, and any return spring is connected to corresponding movable supporting plate
Locating piece and corresponding support mounting hole edge between；
Rotational power source is used to that the shaft be driven to rotate on support mounting bracket.
2. 3 D-printing list as described in claim 1 drives auxiliary support apparatus, which is characterized in that solid on the support mounting bracket
Surely there is the bar shaped stent being arranged in parallel with shaft, the support mounting hole is offered on the bar shaped stent.
3. 3 D-printing list as claimed in claim 2 drives auxiliary support apparatus, which is characterized in that the return spring is located at item
Between shape stent and shaft.
4. 3 D-printing list as claimed in claim 3 drives auxiliary support apparatus, which is characterized in that the support mounting hole is side
Shape hole, the movable supporting plate carry the via segments for being less than main part with square hole cooperation and width, the via segments end
It is abutted with the edge of cam.
5. 3 D-printing list as claimed in claim 4 drives auxiliary support apparatus, which is characterized in that the square hole is towards shaft
The periphery of one side be recessed to be embedded in the round hole of return spring end.
6. 3 D-printing list as described in claim 1 drives auxiliary support apparatus, which is characterized in that the edge of the cam is thick
Degree is less than main body and forms stepped ramp type edge, and the end of corresponding movable supporting plate is equipped with opens with the rectangle of the stepped ramp type edge mate
Mouthful.
7. 3 D-printing list as described in claim 1 drives auxiliary support apparatus, which is characterized in that the lifting module is using vertical
The ball-screw put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610530210.0A CN106079447B (en) | 2016-06-30 | 2016-06-30 | A kind of 3 D-printing list drives auxiliary support apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610530210.0A CN106079447B (en) | 2016-06-30 | 2016-06-30 | A kind of 3 D-printing list drives auxiliary support apparatus |
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| Publication Number | Publication Date |
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| CN106079447A CN106079447A (en) | 2016-11-09 |
| CN106079447B true CN106079447B (en) | 2018-06-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107571505A (en) * | 2017-08-16 | 2018-01-12 | 中国人民解放军海军工程大学 | A kind of restructural 3D printer platform and the method using its printing cantilever design product |
| CN107984764B (en) * | 2017-09-30 | 2019-10-25 | 浙江大学 | A kind of 3 D-printing method |
| CN107696474A (en) * | 2017-10-12 | 2018-02-16 | 张石均 | A kind of 3D printing platform and its Method of printing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7481647B2 (en) * | 2004-06-14 | 2009-01-27 | Align Technology, Inc. | Systems and methods for fabricating 3-D objects |
| JP5777136B2 (en) * | 2007-09-17 | 2015-09-09 | スリーディー システムズ インコーポレーテッド | Domain-based support for parts manufactured by solid freeform fabrication |
| EP2727709A1 (en) * | 2012-10-31 | 2014-05-07 | Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO | Method and apparatus for making tangible products by layerwise manufacturing |
| FR3002167B1 (en) * | 2013-02-15 | 2016-12-23 | Michelin & Cie | PIECE OBTAINED BY SELECTIVE FUSION OF A POWDER COMPRISING A MAIN ELEMENT AND RIGID SECONDARY ELEMENTS |
| CN105711095B (en) * | 2016-03-18 | 2017-09-29 | 浙江大学 | The support meanss and 3 D-printing method of 3 D-printing |
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