CN106863776A - Tiltedly pull out formula 3D printing device Sheng Ye mechanisms - Google Patents

Tiltedly pull out formula 3D printing device Sheng Ye mechanisms Download PDF

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Publication number
CN106863776A
CN106863776A CN201710112074.8A CN201710112074A CN106863776A CN 106863776 A CN106863776 A CN 106863776A CN 201710112074 A CN201710112074 A CN 201710112074A CN 106863776 A CN106863776 A CN 106863776A
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CN
China
Prior art keywords
tiltedly
printing device
mechanisms
material trough
pulled out
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710112074.8A
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Chinese (zh)
Inventor
张靖
金良
陈明
曾祥伟
王迪龙
童猛涛
金伟刚
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Zhejiang Xun Technology Co Ltd
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Zhejiang Xun Technology Co Ltd
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Application filed by Zhejiang Xun Technology Co Ltd filed Critical Zhejiang Xun Technology Co Ltd
Priority to CN201710112074.8A priority Critical patent/CN106863776A/en
Publication of CN106863776A publication Critical patent/CN106863776A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE 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
    • B33Y30/00Apparatus for additive manufacturing; Details thereof or accessories therefor

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)

Abstract

The present invention discloses one kind and tiltedly pulls out formula 3D printing device Sheng Ye mechanisms, including for holding the material trough of printing solution, for the runner assembly for driving material trough to rotate, tiltedly component is pulled out for push/pull material trough, and for processing the doctor assemblies of printing solution;The material trench bottom is fully transparent or the transparent base plate in subregion, and the exposure mouthful of 3D printing device exposure mechanism is corresponding with 3D printing device print platform, and the light of exposure curing is by transparent material trench bottom direct projection print platform.3D printing device Sheng Ye mechanisms of the present invention, can print high-viscosity printing solution, with print speed is fast, high precision, long service life the features such as.

Description

Tiltedly pull out formula 3D printing device Sheng Ye mechanisms
Technical field
Formula 3D printing device Sheng Ye mechanisms tiltedly are pulled out the present invention relates to one kind, belongs to printing device technical field.
Background technology
3D printing device, also known as three-dimensional printer, is that one kind uses accumulation manufacturing technology(That is RP technique)Machine Device, its principle is that machine is from level to level created product according to program during data and raw material are put into 3D printer.At present, Conventional 3D printing device can only print the relatively low resin solution of viscosity in print procedure, all, when printing solution viscosity compared with Gao Shi, contains the in-house printing solution surface of liquid and is difficult to accomplish smooth, so as to cause printing precision low or cannot print.
In view of this, the present inventor is studied this, is specially developed one kind and is tiltedly pulled out formula 3D printing device Sheng Ye mechanisms, Thus this case produces.
The content of the invention
Formula 3D printing device Sheng Ye mechanisms tiltedly are pulled out it is an object of the invention to provide one kind, beating for high viscosity solution is capable of achieving Print, with print speed is fast, high precision, long service life the features such as.
To achieve these goals, solution of the invention is:
Formula 3D printing device Sheng Ye mechanisms tiltedly are pulled out, including for holding the material trough of printing solution, for driving material trough to rotate Runner assembly, tiltedly component is pulled out for push/pull material trough, and for processing the doctor assemblies of printing solution;The material Trench bottom is fully transparent or the transparent base plate in subregion, exposure mouthful and the 3D printing device of 3D printing device exposure mechanism Print platform is corresponding, and the light of exposure curing is by transparent material trench bottom direct projection print platform.
Preferably, the runner assembly includes turntable bearing, bearing fixed seat and motor, the material trough is fixed On turntable bearing, the bearing fixed seat is fixedly mounted on and tiltedly pulls out on component, the turntable bearing and rotary electric machine phase Even, by the drive of rotary electric machine, turntable bearing can freely be rotated on bearing fixed seat, and then drive material trough rotation.
Preferably, the component that tiltedly pulls out includes mounting base, the mounting base is arranged on base surface by connector On plate, the bearing fixed seat is fixedly mounted on mounting base, and the mounting base side relative with connector is provided with one Pull bar, pull bar pulls out motor and is connected with tiltedly, and mounting base can be made along connector rotation by rising or falling for pull bar.
Preferably, the connector for tiltedly pulling out component is rotating shaft or hinge.
Preferably, the both sides of the pull bar are further provided with gag lever post, prevent mounting base to be returned to initial position and answer Position is excessively.
Preferably, the doctor assemblies include support, scraping blade and adjuster, the support is fixed on mounting base, Scraping blade is connected by elastic component with support, and in material trough;The adjuster is rack-mount and positioned at scraping blade top, The distance between scraping blade bottom and material trough bottom are adjusted by adjuster.
Preferably, scraper top both sides are respectively connected by a spring with support, the positive and negative of scraper sets respectively There is guide pad, the guide pad is fixed on support, guide pad is provided with guiding recess or is oriented to convex portion, and the positive and negative of scraper sets Having be oriented to recess with the guide pad or be oriented to the corresponding guiding convex portion in convex portion or be oriented to recess, by being oriented to recess and guiding The cooperation of convex portion, makes the scraper can be along guide pad Stable sliding.
Preferably, the support is movable structure, including the lower carriage on mounting base is fixedly mounted on, and activity Installed in the upper bracket of lower carriage upper end, the upper bracket is horizontally disposed with, and scraping blade and adjuster are arranged on upper bracket, it is described on Support can freely be rotated along lower carriage top, facilitate the installation and adjustment of scraping blade, adjuster.
Preferably, the lower carriage top is provided with a horizontal shelf, the supporting plate is mutually inhaled with upper bracket by magnet Close, it is ensured that the steadiness of upper bracket.
Preferably, the front or back of the scraper is also equipped with a baffle plate, the baffle plate is formed after being enclosed with scraper The accommodating chamber of one storage print solution, the bottom of the bottom less than or equal to scraper of the baffle plate.
Preferably, being set in 70 ~ 150 ° of angles between the scraping blade and 3D printing device print platform.
Preferably, the dianegative of the material trough is provided with flexible film.
Preferably, the flexible film is Teflon film, silicon is provided between flexible film and material trough dianegative Glue-line or film film.Double transparent material is composited, in the case where ensureing under high transmission rate, also with good elasticity and Demoulding effect.
Preferably, the Teflon thicknesses of layers is 0.1 ~ 0.2mm;The layer of silica gel thickness is 0.5 ~ 1.5mm;It is described Film film thickness is 0.1 ~ 0.2mm.
Preferably, the logistics groove is circle.
It is of the present invention that tiltedly pulling out formula 3D printing device Sheng Ye mechanisms can be used for viscosity printing solution higher, such as ceramic slurry Material etc..In print procedure, material trough uniform rotation, scraper is rotated with material trough and uniformly strikes off printing solution, and by adjuster Can accurate adjustment scraper and material trough bottom spacing, it is ensured that each layer of cured thickness is uniformly accurate;By tiltedly pulling out component, thing can be made Hopper is rapidly separated with print platform cured layer, will not be rotated because of material trough and produce frictional force, increases substantially resin frame saturating The service life of flexible film on bright base plate;And in material trough rotation process, print platform can repeatedly rise, decline(Scrape Knife can ensure that print platform down position has struck off), print speed can be increased substantially.It is between print platform and scraping blade 70 ~ 150 ° of angles are set, and material trough can be made to be cured 360 degree of region random printing, extend making for material trough transparent soft thin film Use the life-span.
The present invention is described in further detail below in conjunction with drawings and the specific embodiments.
Brief description of the drawings
Fig. 1 tiltedly pulls out formula 3D printing device three-dimensional structure diagram one for the present embodiment;
Fig. 2 tiltedly pulls out formula 3D printing device three-dimensional structure diagram two for the present embodiment;
Fig. 3 tiltedly pulls out formula 3D printing device three-dimensional structure diagram three for the present embodiment(Print platform rises, doctor assemblies inoperative shape State);
Fig. 4 is the present embodiment Sheng Ye mechanisms runner assembly stereogram;
Fig. 5 is the present embodiment Sheng Ye mechanisms doctor assemblies stereogram.
Specific embodiment
Sheng Ye mechanisms described in the present embodiment are applied to one kind and tiltedly pull out formula 3D printing device, and as Figure 1-3, one kind is tiltedly pulled out Formula 3D printing device, including support 1, are arranged on exposure mechanism 2, controlling organization 3 in support 1, and be arranged on support panel Printing mechanism 4 and Sheng Ye mechanisms 5 on 11, wherein, the printing mechanism 4 includes module 41, is slidably mounted on module 41 Print platform 42, in the present embodiment, the print platform 42 is realized gliding by the leading screw being vertically set on module 41 Dynamic, print platform 42 is connected with leading screw, and leading screw is connected with spindle motor, drives leading screw to rotate by spindle motor, and then drive Print platform 42 is moved, and in print procedure, print platform 42 can free rise/fall.The controlling organization 3 uses microprocessor Device is controlled, and controlling organization 3 is connected with exposure mechanism 2, printing mechanism 3 and Sheng Ye mechanisms 4 respectively, for controlling the dynamic of each mechanism Make.The exposure mechanism 2 includes projecting apparatus, and the projecting apparatus uses DLP projector, exposure mouthful and the print platform 42 of projecting apparatus It is corresponding.
The Sheng Ye mechanisms 5 include the roundel hopper 51 for holding printing solution, for driving material trough 51 to rotate Runner assembly, tiltedly component 57 is pulled out for pull/push on material trough 51, and for processing the doctor assemblies of printing solution 56.As shown in Fig. 2 the bottom of the material trough 51 is fully transparent or the transparent base plate 511 in subregion, base plate 511 can be with Using glass, plastics or other all-transparent materials.The base plate 511 is provided with the uniform flexible film of a layer thickness, at this In embodiment, the flexible film is Teflon film, and film film, the film are provided between flexible film and material trough dianegative The setting of film can prevent from producing bubble between base plate 511 and Teflon film.Teflon film and film film are transparent material, In the case of ensureing under high transmission rate, also with good elasticity and demoulding effect.The Teflon film thickness be 0.1 ~ 0.2mm, the film film thickness is 0.1 ~ 0.2mm, and the light of projecting apparatus exposure curing is by the transparent bottom direct projection of material trough 51 Print platform 42.In addition it is also possible to set layer of silica gel between flexible film and material trough dianegative, can be with by layer of silica gel Both flexible film and material trough dianegative is had good caking property, do not produce bubble.
As shown in figure 4, the runner assembly includes turntable bearing 52, bearing fixed seat 53 and motor 54, the thing Hopper 51 is fixedly mounted on turntable bearing 52, and the bearing fixed seat 53 is fixedly mounted on support 1 by rotary base 55 On top panel 11, the motor 54 uses the inner ring of gear motor, turntable bearing 52 to be provided with from gear 521, gear motor 54 are provided with master gear 541, by master gear 541 and the cooperation from gear 521, make the turntable bearing 52 can be in bearing fixed seat 53 It is upper freely to rotate, and then drive material trough 51 to be rotated on support 1.
The component 57 that tiltedly pulls out includes mounting base 571, and the mounting base 571 is arranged on support by connector 572 On panel 11, the bearing fixed seat 53 is fixedly mounted on mounting base 571, the mounting base 571 and the phase of connector 572 To side be provided with a pull bar 573, pull bar 573 with tiltedly pull out motor 574 and be connected, can be made by rising or falling for pull bar 573 Mounting base 571 is rotated along connector 572.The connector 572 can specifically use rotating shaft or hinge.To prevent installing Base plate 571 is returned to initial position and resets excessively, and the both sides of the pull bar 573 are further provided with gag lever post 575.
As shown in figure 5, the doctor assemblies 56 include scraping blade 561, adjuster 562(The present embodiment is 2 parallel installations Micrometer)And support, the support is movable structure, including is fixedly mounted on the lower carriage 563 on mounting base 571, and The upper bracket 564 of the upper end of lower carriage 563 is movably arranged on, the upper bracket 564 is horizontally disposed with, and scraping blade 561 and adjuster 562 are pacified On upper bracket 564, the upper bracket 564 can freely be rotated along the top of lower carriage 563, facilitate scraping blade 561, adjuster 562 Installation and adjustment.The top of the lower carriage 563 is provided with a horizontal shelf 567, and the supporting plate 567 passes through magnetic with upper bracket 564 The mutual adhesive of iron 568, it is ensured that the steadiness of upper bracket 564.
The scraping blade 561 is connected by elastic component with upper bracket 564, and in material trough 51;The adjuster 562 is pacified On upper bracket 564 and positioned at the top of scraping blade 561, by adjuster 562 can adjust the bottom of scraping blade 561 and the bottom of material trough 51 it Between distance.In the present embodiment, installed to realize the stabilization of scraping blade 561, the top both sides of the scraper 561 respectively pass through a bullet Spring 565 is connected with upper bracket 564, and the positive and negative of scraper 561 is respectively equipped with guide pad 566, and the guide pad 566 is fixed on branch On frame 564, guide pad 566 is provided with guiding recess, and the positive and negative of scraper 561 is provided with corresponding with guide pad guiding recess Guiding convex portion(Such as guide finger, guiding rib), by being oriented to recess and being oriented to the cooperation of convex portion, make the scraper 561 can be along leading To the Stable sliding of block 566.Set in 70 ~ 150 ° of angles between the print platform 42 and scraping blade 561, so setting can make material Groove 51 is cured 360 degree of region random printing, extends the service life of the transparent soft thin film of material trough 51.
The front or back of the scraper 561 is also equipped with a baffle plate 569, and the baffle plate 569 encloses rear shape with scraper 561 Into an accommodating chamber 560, the bottom of the baffle plate 569 is generally lower than or equal to the bottom of scraper.The accommodating chamber 560 can be stored up Deposit printing solution.
The above-mentioned Method of printing for tiltedly pulling out formula 3D printing device, comprises the following steps:
Step 1, the control of controlling organization 3 exposure mechanism 2, printing mechanism 4, Sheng Ye mechanisms 5 start working, and are adjusted by adjuster 562 The spacing of section scraping blade 561 and the bottom transparent soft thin film upper surface of material trough 51, the uniform rotation of material trough 51, scraping blade 561 is by thing Printing solution in hopper 51 spreads to a smooth printable layer, and printable layer thickness is a cured layer or solidifies slightly larger than one The thickness of layer(In view of printing solution it is uncured when easily because print platform 42 decline extruding and it is thinning), the stopping turn of material trough 51 It is dynamic;
Step 2, print platform 42 drop to the bottom of material trough 51, and now, the lower surface of print platform 42 is transparent with material trough 51 soft Property film upper surface spacing be the thickness of individual layer printing, projecting apparatus is by dianegative and transparent soft thin film to print platform 42 projection projected images, make the printing solution in drop shadow spread solidify and be pasted onto on print platform 42;
After step 3, solidification terminate, tiltedly pull out component 57 and start action, tiltedly pull out motor 574 and pull mounting base 571, make it towards side Incline, and then depart from the cured layer of print platform 42 and the bottom of material trough 51, after disengaging, print platform 42 rises, and tiltedly pulls out motor 574 push up pull bar 573, material trough 51 is returned to initial position, and material trough 51 is rotated further, the uniform rotation of material trough 51 Speed is generally 0.2 ~ 5 rev/min, and scraping blade 561 strikes off the region after being printed in the rotation process of material trough 51, scrape it is smooth after Material trough 51 stops operating, depending on the dead time of material trough 51 is according to hardening time, generally 0.5 ~ 10 second;
Step 4, print platform 42 drop to the bottom of material trough 51 again, and repeat step 2-3 carries out second layer printing, until printing Terminate.
Tiltedly pulling out formula 3D printing device and can be used for viscosity printing solution higher, such as ceramic size described in the present embodiment, Printable ceramics 3D articles.In print procedure, the uniform rotation of material trough 51, scraper 561 rotates uniform striking off and beats with material trough 51 Print solution, it is ensured that the flatness of cured layer, scraper 561 passes through between its base of adjuster accurate adjustment and the bottom of material trough 51 simultaneously Away from, it is ensured that each layer of cured thickness is uniformly accurate;By tiltedly pulling out component 57, material trough 51 and the cured layer of print platform 42 can be made It is rapidly separated, will not be rotated because of material trough 51 and produce frictional force, increases substantially flexible film on the dianegative of material trough 51 Service life;And in the rotation process of material trough 51, print platform 42 can repeatedly rise, decline(Scraper can ensure to beat Print platform down position has struck off), print speed can be increased substantially.
Above-described embodiment and schema and non-limiting product form of the invention and style, any art it is common Appropriate change or modification that technical staff is done to it, all should be regarded as not departing from patent category of the invention.

Claims (10)

1. formula 3D printing device Sheng Ye mechanisms tiltedly are pulled out, it is characterised in that:Including the material trough for holding printing solution, for driving The runner assembly that animal hopper is rotated, tiltedly component is pulled out for push/pull material trough, and for processing the scraper group of printing solution Part;The material trench bottom is fully transparent or the transparent base plate in subregion, the exposure mouthful of 3D printing device exposure mechanism Corresponding with 3D printing device print platform, the light of exposure curing is by transparent material trench bottom direct projection print platform.
2. formula 3D printing device Sheng Ye mechanisms are tiltedly pulled out as claimed in claim 1, it is characterised in that:The runner assembly includes turning Dish axle is held, bearing fixed seat and motor, and the material trough is fixedly mounted on turntable bearing, and the bearing fixed seat is fixed Installed in tiltedly pulling out on component, the turntable bearing is connected with rotary electric machine, and by the drive of rotary electric machine, turntable bearing can be in axle Hold and freely rotated in fixed seat, and then drive material trough rotation;The logistics groove is circle.
3. formula 3D printing device Sheng Ye mechanisms are tiltedly pulled out as claimed in claim 1, it is characterised in that:The component that tiltedly pulls out includes peace Dress base plate, the mounting base is arranged on support panel by connector, and the bearing fixed seat is fixedly mounted on installation bottom On plate, the mounting base side relative with connector is provided with a pull bar, pull bar with tiltedly pull out motor and be connected, by the upper of pull bar Rising or declining makes mounting base be rotated along connector.
4. formula 3D printing device Sheng Ye mechanisms are tiltedly pulled out as claimed in claim 3, it is characterised in that:The connection for tiltedly pulling out component Part is rotating shaft or hinge;The both sides of the pull bar are further provided with gag lever post.
5. formula 3D printing device Sheng Ye mechanisms are tiltedly pulled out as claimed in claim 1, it is characterised in that:The doctor assemblies include branch Frame, scraping blade and adjuster, the support are fixed on mounting base, and scraping blade is connected by elastic component with support, and positioned at material In groove;The adjuster is rack-mount and positioned at scraping blade top, by adjuster adjust scraping blade bottom and material trough bottom it Between distance;Set in 70 ~ 150 ° of angles between the print platform and scraping blade.
6. formula 3D printing device Sheng Ye mechanisms are tiltedly pulled out as claimed in claim 5, it is characterised in that:Scraper top both sides are each It is connected with support by a spring, the positive and negative of scraper is respectively equipped with guide pad, and the guide pad is fixed on support, is oriented to Block is provided with guiding recess or is oriented to convex portion, and the positive and negative of scraper is provided with relative with guide pad guiding recess or guiding convex portion The guiding convex portion answered or guiding recess, by being oriented to recess and being oriented to the cooperation of convex portion, make scraper along guide pad Stable sliding.
7. formula 3D printing device Sheng Ye mechanisms are tiltedly pulled out as claimed in claim 5, it is characterised in that:The support is movable knot Structure, including the lower carriage on mounting base is fixedly mounted on, and it is movably arranged on the upper bracket of lower carriage upper end, the upper bracket Horizontally disposed, scraping blade and adjuster are arranged on upper bracket, and the upper bracket can freely be rotated along lower carriage top;The lower branch Top of the trellis is provided with a horizontal shelf, and the supporting plate passes through the mutual adhesive of magnet with upper bracket.
8. formula 3D printing device Sheng Ye mechanisms are tiltedly pulled out as claimed in claim 7, it is characterised in that:The front of the scraper is anti- Face is also equipped with a baffle plate, and the baffle plate forms the accommodating chamber of a storage print solution after being enclosed with scraper, under the baffle plate Bottom of the base less than or equal to scraper.
9. formula 3D printing device Sheng Ye mechanisms are tiltedly pulled out as claimed in claim 1, it is characterised in that:The clear bottom of the material trough Flexible film is coated with plate.
10. formula 3D printing device Sheng Ye mechanisms are tiltedly pulled out as claimed in claim 9, it is characterised in that:The flexible film is spy Fluorine dragon film, is provided with layer of silica gel or film film between flexible film and material trough dianegative;The Teflon thicknesses of layers is 0.1~0.2mm;The layer of silica gel thickness is 0.5 ~ 1.5mm;The film film thickness is 0.1 ~ 0.2mm.
CN201710112074.8A 2017-02-28 2017-02-28 Tiltedly pull out formula 3D printing device Sheng Ye mechanisms Pending CN106863776A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110757797A (en) * 2019-11-21 2020-02-07 浙江迅实科技有限公司 Printing method of multi-material 3D printer
CN110757798A (en) * 2019-11-21 2020-02-07 浙江迅实科技有限公司 Multi-material 3D printer
CN110809513A (en) * 2017-06-14 2020-02-18 可乐丽则武齿科株式会社 Container for optical stereo forming device
CN112829294A (en) * 2020-12-22 2021-05-25 芜湖市爱三迪电子科技有限公司 Turnover type printing platform for 3D printer

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CN104290329A (en) * 2014-10-27 2015-01-21 东莞智维立体成型股份有限公司 Inclined pulling assembly for 3D printing device
CN105965889A (en) * 2016-05-13 2016-09-28 浙江迅实科技有限公司 3D printing device and printing method thereof
CN106273506A (en) * 2016-09-29 2017-01-04 浙江迅实科技有限公司 3D printing equipment Sheng Ye mechanism
CN106273507A (en) * 2016-09-29 2017-01-04 浙江迅实科技有限公司 A kind of high accuracy 3D printing equipment and method
CN206589335U (en) * 2017-02-28 2017-10-27 浙江迅实科技有限公司 Tiltedly pull out formula 3D printing device Sheng Ye mechanisms

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104290329A (en) * 2014-10-27 2015-01-21 东莞智维立体成型股份有限公司 Inclined pulling assembly for 3D printing device
CN105965889A (en) * 2016-05-13 2016-09-28 浙江迅实科技有限公司 3D printing device and printing method thereof
CN106273506A (en) * 2016-09-29 2017-01-04 浙江迅实科技有限公司 3D printing equipment Sheng Ye mechanism
CN106273507A (en) * 2016-09-29 2017-01-04 浙江迅实科技有限公司 A kind of high accuracy 3D printing equipment and method
CN206589335U (en) * 2017-02-28 2017-10-27 浙江迅实科技有限公司 Tiltedly pull out formula 3D printing device Sheng Ye mechanisms

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110809513A (en) * 2017-06-14 2020-02-18 可乐丽则武齿科株式会社 Container for optical stereo forming device
CN110809513B (en) * 2017-06-14 2022-05-10 可乐丽则武齿科株式会社 Container for optical stereo forming device
CN110757797A (en) * 2019-11-21 2020-02-07 浙江迅实科技有限公司 Printing method of multi-material 3D printer
CN110757798A (en) * 2019-11-21 2020-02-07 浙江迅实科技有限公司 Multi-material 3D printer
CN110757798B (en) * 2019-11-21 2022-06-17 浙江迅实科技有限公司 Multi-material 3D printer
CN112829294A (en) * 2020-12-22 2021-05-25 芜湖市爱三迪电子科技有限公司 Turnover type printing platform for 3D printer

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Application publication date: 20170620