CN106466918A - Reduce the 3 D-printing device of illuminated contained liquid level molding pulling capacity - Google Patents

Reduce the 3 D-printing device of illuminated contained liquid level molding pulling capacity Download PDF

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Publication number
CN106466918A
CN106466918A CN201510488006.2A CN201510488006A CN106466918A CN 106466918 A CN106466918 A CN 106466918A CN 201510488006 A CN201510488006 A CN 201510488006A CN 106466918 A CN106466918 A CN 106466918A
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CN
China
Prior art keywords
base plate
resin groove
thin film
dieplate
illuminated
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Pending
Application number
CN201510488006.2A
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Chinese (zh)
Inventor
汪家昌
蒋益民
游信桦
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Tip Of Laminated Ltd By Share Ltd
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Tip Of Laminated Ltd By Share Ltd
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Application filed by Tip Of Laminated Ltd By Share Ltd filed Critical Tip Of Laminated Ltd By Share Ltd
Priority to CN201510488006.2A priority Critical patent/CN106466918A/en
Publication of CN106466918A publication Critical patent/CN106466918A/en
Pending legal-status Critical Current

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Abstract

A kind of 3 D-printing device reducing illuminated contained liquid level molding pulling capacity, comprises:One resin groove, a shaping mechanism and a dynamic light shield generator.This resin groove contains photo-curable liquid material, and includes the base plate of a tool light transmission, this base plate include posterior limiting and be arranged on elastic layer from shape thin film.This shaping mechanism includes one and can drop to the dieplate moving up and down with respect to this base plate in this resin groove.This dynamic light shield generator is located at below this base plate, and for transmitting one light beam.This dieplate drops to and should there is a gap between shape thin film and supply this photo-curable liquid material to fill therebetween, this light beam of this dynamic light shield generator is irradiated towards this photo-curable liquid material in this resin groove by below this base plate, this photo-curable liquid material in gap is solidified to form a cured layer, after completing to irradiate, move and this cured layer of drawing on this dieplate, make this cured layer and be somebody's turn to do from shape thin film separation.

Description

Reduce the 3 D-printing device of illuminated contained liquid level molding pulling capacity
Technical field
The present invention relates to a kind of 3 D-printing device, more particularly to a kind of reduction is illuminated to restrain The 3 D-printing device of liquid level molding pulling capacity.
Background technology
Refering to Fig. 1 to Fig. 4, existing stereosopic printing method (Stereolithography, SLA) 3D printer comprise a resin groove 91, a projection source 92 and a shaping mechanism 93.Should Resin groove 91 is used for containing photocuring resin 94 and having a printing opacity mould release membrance 95, this projection light Source 92 position is less than this resin groove 91, and for transmitting one light beam 96 to this printing opacity mould release membrance 95, and this light beam 96 is projected to the printing opacity mould release membrance 95 of this resin groove 91 and is irradiated in this Photocuring resin 94, receives corresponding optical wavelength by this photocuring resin 94 and reaches and be solidified into Type.This shaping mechanism 93 includes a dieplate 97, and this dieplate 97 can drop to this resin groove In 91, and can move up and down with respect to this printing opacity mould release membrance 95, so as to building up photocuring tree Cured layer 98 after ester 94 solidification.
But above-mentioned molding mode is successively construction that is to say, that as Fig. 5 and Fig. 6 Shown, after flood photocuring resin 94 is irradiated with projection source 92, this layer is one-shot forming, So being easily caused cured layer 98 when photocuring resin 94 solidifies can be with this printing opacity mould release membrance 95 Gapless, and have to when moving on this dieplate 97 using this dieplate 97 and cured layer 98 Between pull-out capacity resist vacuum pulling capacity between cured layer 98 and this printing opacity mould release membrance 95, so Easily cause the cured layer after solidification 98 to rupture because pulling capacity is excessive or deform, or even The damage of shaping workpiece is easily caused in drawing process.Therefore, how to develop and can reduce molding When the 3D printing equipment of pulling capacity be the problem that present value must be studied.
Content of the invention
It is an object of the invention to provide a kind of illuminated contained liquid level molding pulling capacity of reduction 3 D-printing device.
The present invention reduces the 3 D-printing device of illuminated contained liquid level molding pulling capacity at some Implement, in aspect, to comprise:One resin groove, a shaping mechanism, and a dynamic light shield generator. This resin groove is used for containing photo-curable liquid material, and includes the base plate of a tool light transmission, and One by all cell walls along extension of this base plate.This base plate includes posterior limiting and and is arranged at this elasticity On layer from shape thin film.This shaping mechanism includes one and can drop in this resin groove with respect to this The dieplate that base plate moves up and down.This dynamic light shield generator is located under the base plate of this resin groove Side, and for transmitting one light beam.The dieplate of this shaping mechanism drops to the bottom with this resin groove There is a gap between shape thin film of plate and supply this photo-curable liquid material fill therebetween, should The light beam of dynamic light shield generator by below this base plate towards the photo-curable liquid in this resin groove Raw material irradiates, and so that this light beam by this elastic layer and is somebody's turn to do after shape thin film, by the light in this gap Curable liquid material is solidified to form a cured layer, completes to irradiate in this dynamic light shield generator Afterwards, this shaping mechanism drives and moves and this cured layer of drawing on this dieplate, makes this cured layer and is somebody's turn to do From shape thin film separation and there is another gap between the two and supply this photo-curable liquid material to fill Therebetween.
Implement in aspect at some, the material from shape thin film of the base plate of this resin groove is ferrum fluorine Dragon.
Implement in aspect at some, the base plate of this resin groove also includes a basal wall, this basal wall is for being somebody's turn to do Elastic layer is arranged on.
Implement in aspect at some, the material of the basal wall of the base plate of this resin groove is glass.
Implement in aspect at some, the material of the elastic layer of the base plate of this resin groove is silica gel.
Implement in aspect at some, this shaping mechanism also includes a molding being connected to this dieplate Arm, this one-tenth arm can drive this dieplate to move up and down.
The beneficial effects of the present invention is:The elastic layer being arranged at this base plate is silica gel, because of its tool Standby soft characteristic, the easy degeneration in drawing cured layer, and then reach the mesh of " vacuum breaker " , and recover smooth immediately after separation, this cured layer can be reduced and be somebody's turn to do drawing between shape thin film Pull out force, and the material from shape thin film of the base plate of this resin groove is Teflon, by Teflon material Material has non-sticky glutinous characteristic, so that this shaping mechanism is driven and moves and this solidification of drawing on this dieplate Layer when, this cured layer can successfully with this from shape thin film separation, and effective protection elastic layer not by Pulling capacity is destroyed.
Brief description
Fig. 1 is a floor map, and the 3D printer of a conventional SLA is described;
Fig. 2 to Fig. 4 is a floor map respectively, and the system of this conventional 3D printer is described Make process;
Fig. 5 is a floor map, illustrates that this conventional 3D printer makes consolidating after solidifying Change layer to rupture because pulling capacity is excessive;
Fig. 6 is a floor map, illustrates that this conventional 3D printer makes consolidating after solidifying Change layer to deform because pulling capacity is excessive;
Fig. 7 is a floor map, illustrates that the present invention reduces illuminated contained liquid level molding drawing One embodiment of the 3 D-printing device of power;
Fig. 8 is a floor map, illustrates that a shaping mechanism of this embodiment drives a dieplate Upper move and drawing one cured layer, make this cured layer and one from shape thin film separation process;And
Fig. 9 is a floor map, illustrates that this cured layer of this embodiment divide from shape thin film with being somebody's turn to do From.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is described in detail.
The explanation of the following example is with reference to additional schema, can be used for reality for illustrating the present invention The specific embodiment applied.The direction term that the present invention is previously mentioned, for example " on ", D score, " front ", " afterwards ", "left", "right" etc., is only the direction with reference to annexed drawings.Therefore, the side of use It is used to illustrate to term, rather than be used for limiting the present invention.
Refering to Fig. 7, the present invention reduces the 3 D-printing dress of illuminated contained liquid level molding pulling capacity The embodiment put comprises:One resin groove 1, a shaping mechanism 2, and a dynamic light shield generator 3.
This resin groove 1 is used for containing photo-curable liquid material 4, and includes the bottom of a tool light transmission Plate 11, and one by this base plate 11 weeks along the cell wall 12 extending.This base plate 11 include a basal wall 111, One is arranged at the elastic layer 112 on this basal wall 111, and one be arranged on this elastic layer 112 from Shape thin film 113.In the present embodiment, this basal wall 111 is rigid such as glass, this elastic layer 112 is elastic material such as silica gel, and should be then Teflon (Teflon) from the material of shape thin film 113 Material.
This shaping mechanism 2 includes a dieplate 21, and an one-tenth arm being connected to this dieplate 21 22.This one-tenth arm 22 can drive this dieplate 21 to drop within this resin groove 1 with respect to this Base plate 11 moves up and down, further for, this dieplate 21 can be with respect to this from shape thin film 113 Move up and down.
This dynamic light shield generator 3 is located at below the base plate 11 of this resin groove 1, and is used for transmitting one Light beam 31, this light beam 31 is, for example, a laser or light shield produced by scialyscope.
For further illustrating the practical application of the present embodiment, this 3 D-printing device is below described Function mode.
Refering to Fig. 7, the dieplate 21 of this shaping mechanism 2 drops to thin from shape with this resin groove 1 There is a gap between film 113 and supply this photo-curable liquid material 4 to fill therebetween.Then, should The light beam 31 of dynamic light shield generator 3 by below this base plate 11 towards the photocuring in this resin groove 1 Property liquid material 4 irradiate, make this light beam 31 pass through this elastic layer 112 and should after shape thin film 113, Photo-curable liquid material 4 in this gap is solidified to form a cured layer 5.
Refering to Fig. 8 and Fig. 9, after this dynamic light shield generator 3 completes to irradiate, this shaping mechanism Move and this cured layer 5 of drawing on 2 this dieplate 21 of drive, make this elastic layer 112 and from shape thin film 113 deformation, and then so that this cured layer 5 is separated from shape thin film 113 with this.This elastic layer after separating 112 with reply rapidly smooth from shape thin film 113, make this cured layer 5 and should between shape thin film 113 There is another gap and supply this photo-curable liquid material 4 to fill therebetween.Then repeat above-mentioned Step, that is to say, that carrying out irradiation next time and upper shifting, so constantly increases with cured layer 5 Long, superposition, till completing whole structures.
Because this is Teflon from the material of shape thin film 113, had well by Teflon material Non- tackness, the characteristic such as self-lubricity and low frictional factor, make material be difficult to be stained with glutinous thereon, Therefore, move on this dieplate 21 and during this cured layer 5 of drawing, can drop when this shaping mechanism 2 drives This cured layer 5 low and the adhesion being somebody's turn to do between shape thin film 113, and then enable this cured layer 5 suitable Profit ground is separated from shape thin film 113 with this, so that the adhesion of dieplate 21 is more than from shape thin film 113 And make cured layer 5 be attached to dieplate 21.In addition, by this elastic layer 112 elasticity of itself, Contribute to the pulling capacity reducing this cured layer 5 and being somebody's turn to do between shape thin film 113, be beneficial to this solidification Layer 5 this base plate 11 of disengaging.Specifically, due to this, elastic layer 112 is sufficiently flexible, have elasticity, Therefore when moving on this dieplate 21, this elastic layer 112 can be driven and deform, and makes from shape Thin film 113 produces a constrictive force with elastic layer 112, and then leading to " vacuum breaker " becomes easy, Then this cured layer 5 is gradually separated from shape thin film 113 with this and this elastic layer 112 restores.
In sum, because this is Teflon from the material of shape thin film 113, by Teflon material Material has non-sticky glutinous characteristic, makes to move on this shaping mechanism 2 this dieplate 21 of drive and drawing should During cured layer 5, this cured layer 5 and the adhesion being somebody's turn to do between shape thin film 113 can be reduced, and then This cured layer 5 is enable successfully to separate from shape thin film 113 with this, and the bullet that elastic layer 112 possesses Property, a deformation constrictive force is provided when can make to move on dieplate 21, and allows this solidification in drawing process Layer 5 can by outermost first from shape, and then reduce vacuum power, to avoid in drawing process destruction Cured layer 5, after isolation elastic layer 112 can recover smooth immediately, return to initial position, therefore really The purpose of the present invention can be reached in fact.
As described above, only embodiments of the invention, when can not limit the present invention with this The scope implemented, that is, all according to claims of the present invention and description made simple etc. Effect change with modify, all still belong in the range of the present invention covers.

Claims (6)

1. a kind of 3 D-printing device reducing illuminated contained liquid level molding pulling capacity, its It is characterised by;This 3 D-printing device comprises:
One resin groove, for containing photo-curable liquid material, and includes a tool light transmission Base plate, and a cell wall being extended by all edges of this base plate, this base plate includes posterior limiting and and sets Be placed on this elastic layer from shape thin film;
One shaping mechanism, can drop to upper and lower with respect to this base plate in this resin groove including one The dieplate of movement;And
One dynamic light shield generator, below the base plate of this resin groove, and is used for transmitting one Light beam,
The dieplate of this shaping mechanism drop to and this resin groove base plate between shape thin film There is a gap and supply this photo-curable liquid material to fill therebetween, this dynamic light shield generator Light beam by below this base plate towards in this resin groove photo-curable liquid material irradiate, make this Light beam by this elastic layer and is somebody's turn to do after shape thin film, will be former for the photo-curable liquid in this gap Material is solidified to form a cured layer, after this dynamic light shield generator completes to irradiate, this molding Mechanism drives and moves and this cured layer of drawing on this dieplate, makes this cured layer and is somebody's turn to do from shape thin film Separate and there is another gap between the two and supply this photo-curable liquid material to fill therebetween.
2. the three of the illuminated contained liquid level molding pulling capacity of reduction as claimed in claim 1 Dimension printing equipment it is characterised in that:The material from shape thin film of the base plate of this resin groove is ferrum Fluorine dragon.
3. the three of the illuminated contained liquid level molding pulling capacity of reduction as claimed in claim 2 Dimension printing equipment it is characterised in that:The base plate of this resin groove also includes a basal wall, this basal wall It is arranged on for this elastic layer.
4. the three of the illuminated contained liquid level molding pulling capacity of reduction as claimed in claim 3 Dimension printing equipment it is characterised in that:The material of the basal wall of the base plate of this resin groove is glass.
5. the three of the illuminated contained liquid level molding pulling capacity of reduction as claimed in claim 1 Dimension printing equipment it is characterised in that:The material of the elastic layer of the base plate of this resin groove is silica gel.
6. the three of the illuminated contained liquid level molding pulling capacity of reduction as claimed in claim 1 Dimension printing equipment it is characterised in that:This shaping mechanism also includes one and is connected to this dieplate Become arm, this one-tenth arm can drive this dieplate to move up and down.
CN201510488006.2A 2015-08-11 2015-08-11 Reduce the 3 D-printing device of illuminated contained liquid level molding pulling capacity Pending CN106466918A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108099186A (en) * 2017-12-12 2018-06-01 深圳摩方材料科技有限公司 A kind of photocuring 3D printing device and Method of printing
CN108748980A (en) * 2018-08-28 2018-11-06 宁波市石生科技有限公司 Release film for photocuring 3D printing equipment
CN108773067A (en) * 2018-06-22 2018-11-09 大族激光科技产业集团股份有限公司 Liquid bath device, the 3D printing equipment equipped with it and printer model separation method
CN108943697A (en) * 2018-08-28 2018-12-07 宁波市石生科技有限公司 Release film for photocuring increasing material manufacturing equipment
CN110171136A (en) * 2019-06-11 2019-08-27 杭州德迪智能科技有限公司 A kind of efficient line scanning is light-cured into as device and method
CN110662644A (en) * 2017-05-26 2020-01-07 Hrl实验室有限责任公司 Pore system for stereolithography of pre-ceramic polymers

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CN204076845U (en) * 2014-09-05 2015-01-07 宁波市鄞州智造数字科技有限公司 DLP photocuring 3D printer resin storage tank
CN204398334U (en) * 2015-01-04 2015-06-17 上海联泰三维科技有限公司 For resin storage tank and the Stereolithography device of proj ected bottom formula photocureable rapid shaping

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204076845U (en) * 2014-09-05 2015-01-07 宁波市鄞州智造数字科技有限公司 DLP photocuring 3D printer resin storage tank
CN204398334U (en) * 2015-01-04 2015-06-17 上海联泰三维科技有限公司 For resin storage tank and the Stereolithography device of proj ected bottom formula photocureable rapid shaping

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110662644A (en) * 2017-05-26 2020-01-07 Hrl实验室有限责任公司 Pore system for stereolithography of pre-ceramic polymers
US11079683B2 (en) 2017-05-26 2021-08-03 Hrl Laboratories, Llc Aperture system for preceramic polymer stereolithography
CN110662644B (en) * 2017-05-26 2022-07-15 Hrl实验室有限责任公司 Pore system for stereolithography of pre-ceramic polymers
CN108099186A (en) * 2017-12-12 2018-06-01 深圳摩方材料科技有限公司 A kind of photocuring 3D printing device and Method of printing
CN108099186B (en) * 2017-12-12 2020-05-08 深圳摩方新材科技有限公司 Photocuring 3D printing device and printing method
CN108773067A (en) * 2018-06-22 2018-11-09 大族激光科技产业集团股份有限公司 Liquid bath device, the 3D printing equipment equipped with it and printer model separation method
CN108748980A (en) * 2018-08-28 2018-11-06 宁波市石生科技有限公司 Release film for photocuring 3D printing equipment
CN108943697A (en) * 2018-08-28 2018-12-07 宁波市石生科技有限公司 Release film for photocuring increasing material manufacturing equipment
CN110171136A (en) * 2019-06-11 2019-08-27 杭州德迪智能科技有限公司 A kind of efficient line scanning is light-cured into as device and method

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