CN106863798B - A kind of 3D printing spray head - Google Patents
A kind of 3D printing spray head Download PDFInfo
- Publication number
- CN106863798B CN106863798B CN201710083137.1A CN201710083137A CN106863798B CN 106863798 B CN106863798 B CN 106863798B CN 201710083137 A CN201710083137 A CN 201710083137A CN 106863798 B CN106863798 B CN 106863798B
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- head
- outpours
- light
- opaque
- permeable
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- 239000007921 spray Substances 0.000 title claims abstract description 48
- 238000010146 3D printing Methods 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 51
- 239000007788 liquid Substances 0.000 claims description 26
- 238000003860 storage Methods 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000000016 photochemical curing Methods 0.000 abstract description 38
- 238000007711 solidification Methods 0.000 abstract description 12
- 230000008023 solidification Effects 0.000 abstract description 12
- 238000001723 curing Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 9
- 239000007787 solid Substances 0.000 abstract description 4
- 238000007639 printing Methods 0.000 description 19
- 238000004132 cross linking Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 241001133184 Colletotrichum agaves Species 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Ink Jet (AREA)
Abstract
The invention discloses a kind of 3D printing spray head, the head body including having inner cavity, the head body bottom is fixed with the opaque of coaxial arrangement and outpours head and light-permeable outpours head, and light-permeable outpours head and is fixed on and opaque outpours a bottom；The inner cavity of the head body outpours head and light-permeable outpours the inner cavity of head and is connected to opaque.The present invention is different from traditional photocuring print system, and nozzle structure is outpoured by the way of head is connected and communicates using opaque head and the light-permeable of outpouring, and constitute the nozzle structure outpours head.Under the uniform irradiation of ultraviolet light, cross-linkable solidifying.Light-permeable is entered from photo-curing material to outpour in head, is squeezed out to the end, and photo-curing material completes partial cross-linked solidification in this process, using oneself viscosity and upper one layer of curing materials stick to each other, until being printed as complicated 3D solid structure.
Description
Technical field
The present invention relates to a kind of printing head structures, are to be related to a kind of 3D printing spray head specifically.
Background technique
Photocuring printing technique is to first pass through CAD design to go out three-dimensional entity model, is cut model using discrete program
Piece processing, designs the scan path of laser, the movement of laser scanner and lifting platform is accurately controlled with the data of generation.Then it uses
Specific wavelength and the laser of intensity are irradiated to photo-curing material surface by the scan path of design, are allowed to by point to line, by line to
Face consecutive solidification makes one layer of resin solidification in the specific region of surface, and then lifting platform declines a synusia in vertical direction
Highly, another layer of liquid resin can be covered on cured layer, then carries out second layer scanning, solidify another level, the second cured layer
It is bonded on previous cured layer securely, is layering constitutes a 3D solid in this way.It is since existing photocuring prints
Cost of uniting is high, and operation and maintenance cost is excessively high, and the precision equipment of system is harsh to operating environment requirements, in medical application
On receive considerable restraint.
It is a kind of relatively inexpensive 3D printing method based on extruded type photocuring, principle is by spray head by photocuring material
Material heap product is got up.There are two types of currently used methods, and one is solidifications before printing, and one is solidify after printing.Solidification before printing
It is that material is being sent into spray head front irradiation ultraviolet light.Solidification is that apply solidification light after extruded material (be often ultraviolet light after printing
Line), material is become into solid-state from liquid, after being layering, realizes 3D molding.It is cured the disadvantage is that curing time is not easy before printing
Furthermore control needs to apply very big extrusion force and is just avoided that blocking spray head, it is cured after printing the disadvantage is that low viscosity resin by
In good fluidity, molding effect is poor.Therefore a kind of design of the photocuring printing head of light-permeable is meaningful.
Summary of the invention
The purpose of the present invention is to provide a kind of 3D printing spray heads, overcome photocuring print system of the existing technology
The technical issues of cost is high, operation and maintenance cost excessively high drawback, while can realize the solidification in extrusion process.
A kind of 3D printing spray head, the head body including having inner cavity, the head body bottom is fixed with coaxial arrangement
It is opaque outpour head and light-permeable outpours head, and light-permeable outpours head and is fixed on and opaque outpours a bottom；The spray head sheet
The inner cavity of body outpours head and light-permeable outpours the inner cavity of head and is connected to opaque.
Mechanism of the invention is different from traditional photocuring print system, and nozzle structure outpours head and light-permeable using opaque
The mode that head is connected and communicates is outpoured, constitute the nozzle structure outpours head.It is cross-linking solid under the uniform irradiation of ultraviolet light
Change.Light-permeable is entered from photo-curing material to outpour in head, is squeezed out to the end, and photo-curing material completes part in this process
Crosslinking curing, using oneself viscosity and upper one layer of curing materials stick to each other, until being printed as complicated 3D solid structure.
Preferably, the head body includes attachment base and the charging liquid storage pipe for being fixed on attachment base bottom, it is described
Attachment base, charging liquid storage pipe and the opaque metal structure for outpouring head and being integrated setting, for example can be stainless steel and be made.It is described
Light-permeable outpours head and can be fabricated by transparent hydrophobic composite.
It is detachably mounted to described opaque outpour a bottom preferably, the light-permeable outpours head.Such as it is available
Using modes such as being plugged and fixed of being screwed, be fixed or be interference fitted, as further preferred, the light-permeable note
Lift one's head to be plugged and fixed and opaque outpours a bottom described.Using the technical solution, facilitates the opaque installation for outpouring head, tears open
It unloads, clear up and replaces.
Preferably, the head body, it is opaque outpour head and light-permeable outpour head it is interior it is intracavitary be coaxially arranged in
Spray head.Interior spray head is assemblied in printing head inside configuration and constitutes coaxial configuration, is the material that will not generate photocuring in interior spray head,
It is photo-curing material outside interior spray head.When ultraviolet light uniform irradiation to light-permeable outpours, photo-curing material can solidified forming
And squeeze out, since interior spray head outpours the not cured liquid of ultraviolet light, so that the photo-curing material finally printed is hollow knot
Structure.
Preferably, being fixed at the top of the interior spray head with attachment base sealing；It is the interior spray head outer wall and head body, impermeable
Light outpours head and light-permeable outpours and constitutes outer material cavity between the interior cavity wall of head, and interior nozzle cavity constitutes interior material cavity；It is described
The feed inlet setting of outer material cavity is arranged in the charging liquid storage pipe side wall, the feed inlet of the interior material cavity on interior spray head top
Portion.Using the technical solution, photo-curing material feed inlet can vertically be staggered for horizontal direction and interior spray head, facilitate two spray heads
Charging.
It may also include ultraviolet source in the present invention, certain ultraviolet source is also possible to independently of of the invention independent
Part.When ultraviolet source uniform irradiation light-permeable outpours, light source can be divided into movable ultraviolet source, fixed ultraviolet light light
Source.Movable ultraviolet source is to be placed outside nozzle structure, which can make the direction for irradiating the ultraviolet light come and then can
Light transmission outpours the change of a position and changes, guarantee to irradiate the ultraviolet light come always can uniform irradiation to light-permeable outpour head
On, and light intensity can be adjusted by adjusting movable ultraviolet source.Fixed ultraviolet source be directly installed on it is opaque
It outpours outside head, integral with nozzle structure group, fixed, can making ultraviolet light, uniform irradiation to light-permeable outpours head always
On, and light intensity can be adjusted by adjusting fixed ultraviolet source.
Preferably, the opaque outer wall that outpours is column construction.As further preferred, on the column construction
It is fixed with fixed ultraviolet source.
Preferably, the fixed ultraviolet source is " eight " font structure, big mouth down setting.Using the technical side
Case guarantees that light-permeable outpours head point and receives uniform illumination, improves the Forming Quality of printing.
In the present invention, it is opaque outpour head and outpour head with light-permeable link into an integrated entity, and can communicate, be assembled into one it is complete
Whole injection head, close to printing head main structure be it is opaque outpour head, be light transmission far from printing head main structure
Head is outpoured, can make the photo-curing material printed in this way is entity column structure.When the assembling of ultraviolet source uniform irradiation
When outpouring, due to ultraviolet light cannot be irradiated to it is opaque outpour inside head, therefore the photo-curing material inside the injection head is kept
Original state, there is no solidifications.When ultraviolet lighting is mapped to light-permeable and outpours, since ultraviolet light can be outpoured through this
Head, therefore when light-permeable outpours the photo-curing material in head, starts to solidify, until forming.
The ultraviolet source used in the present invention is divided to movable ultraviolet source and two kinds of fixed ultraviolet source, all may be used
The uniform UV light of setting is provided, so that light-permeable outpours the photo-curing material crosslinking curing in head.Interior spray head, which is assemblied in, to be beaten
Nozzle structure Inner Constitution coaxial configuration is printed, photocuring print procedure is repeated, hollow tubular structure can be printed.Due to be
Spray head is solidified when squeezing out, and curing time is controllable, and it is high which can avoid traditional photocuring print system cost, using with
The excessively high drawback of maintenance cost expands the drawbacks of solidification after solidifying and print before also solving the printing of spray head extruded type in medicine
It learns, the application range of biomedicine etc..
The present invention outpours spray head using light-permeable, under the uniform irradiation of ultraviolet light, increases oneself viscosity in advance, opens
Beginning crosslinking curing.Light-permeable is entered from photo-curing material to outpour in head, is squeezed out to the end, and photo-curing material is in this process
Partial cross-linked solidification is completed, using oneself viscosity and upper one layer of curing materials stick to each other, until it is real to be printed as complicated three-dimensional
Body structure.
Advantages of the present invention mainly has:
Photo-curing material can be made to outpour i.e. formable.The structure using it is opaque outpour head and outpour head with light-permeable connect into
One, and can communicate, and be assembled into a complete injection head, when the assembling of ultraviolet source uniform irradiation is when outpouring, by
In ultraviolet light cannot be irradiated to it is opaque outpour inside head, therefore photo-curing material inside the injection head keeps original state, does not have
It is cured.When ultraviolet lighting is mapped to light-permeable and outpours, since ultraviolet light can outpour head through this, therefore light-permeable is infused
Lift one's head interior photo-curing material when start to solidify, until forming.Can make the photo-curing material printed in this way is entity column
Structure.
Photo-curing material can be made to outpour can be at hollow tubular structure.Interior spray head is assemblied in printing head inside configuration and constitutes together
Axle construction.When ultraviolet light uniform irradiation to light-permeable outpours, photo-curing material can solidified forming simultaneously squeeze out, due to interior spray
Head outpours the liquid that ultraviolet light is unable to crosslinking curing, so that the photo-curing material finally printed is hollow structure.
Ultraviolet source can be selected according to varying environment, not high to environmental requirement, and adaptability is good.Ultraviolet source has
Movable ultraviolet source, fixed ultraviolet source are selective.Movable ultraviolet source is to be placed outside nozzle structure, the light
Source can make the direction for irradiating the ultraviolet light come that light-permeable be followed to outpour the change of a position and change, and guarantee irradiates next
Ultraviolet light always can uniform irradiation outpoured on head to light-permeable.Fixed ultraviolet source is to be directly installed on opaque outpour
Head is external, and integral with nozzle structure group, fixed, can making ultraviolet light, uniform irradiation outpours on head to light-permeable always.
Two kinds of light sources are not high to environmental requirement, and adaptability is good.
Structure is simple, compact.Attachment base and charging liquid storage pipe are connectors, and the nozzle structure is facilitated to be assemblied in printer
On, the opaque head that outpours is connected and communicates with charging liquid storage pipe, light-permeable outpour head connect it is opaque outpour head, and therewith
It communicates, movable ultraviolet source and fixed ultraviolet source provide the uniform UV light of setting, and interior spray head, which is assemblied in, to be beaten
Print nozzle structure Inner Constitution coaxial configuration.
Detailed description of the invention
Fig. 1 a is a kind of 3D printing nozzle structure schematic diagram of the invention.
Fig. 1 b is the schematic cross-sectional view of Fig. 1 a.
Fig. 2 is a kind of 3D printing nozzle structure and movable ultraviolet source schematic diagram of the invention.
Fig. 3 a is a kind of 3D printing nozzle structure and fixed ultraviolet source schematic diagram of the invention.
Fig. 3 b is the schematic cross-sectional view of Fig. 3 a.
Fig. 4 a is a kind of 3D printing nozzle structure of the invention and interior cartridge nozzle with being Coaxial nozzle schematic diagram.
Fig. 4 b is the schematic cross-sectional view of Fig. 4 a.
In figure: 1 is attachment base, and 2 be charging liquid storage pipe, and 3 outpour head to be opaque, and 4 outpour head for light-permeable, and 5 be movable
Formula ultraviolet source, 6 be fixed ultraviolet source, and 7 be interior spray head.
Specific embodiment
As illustrated in figs. 1A and ib, a kind of 3D printing nozzle structure, including attachment base 1 feed liquid storage pipe 2, opaque note
Lift one's head 3, light-permeable outpours first 4.
It as illustrated in figs. 1A and ib, is attachment base 1 at the top of printing head, connection charging liquid storage pipe 2 in 1 bottom of attachment base connects
Joint chair 1 is connected to the inner cavity of charging liquid storage pipe 2.Simultaneously attachment base 1 and charging liquid storage pipe 2 be connector, which is provided with link slot,
Engaging lug, connection screw thread, connecting hole, connection card etc. connection structure facilitate nozzle structure assembly on a printer.
It is opaque outpour first 3 and outpour first 4 with light-permeable link into an integrated entity, and two inner cavities for outpouring head communicate, and are assembled into
One complete injection head be assemblied in charging 2 lower end of liquid storage pipe, close to printing head main structure be it is opaque outpour first 3,
It is that light transmission outpours first 4 far from printing head main structure, while opaque outpour first 3 and outpour first 4 inner cavity simultaneously with light-permeable
It is connected to attachment base 1 with the inner cavity of charging liquid storage pipe 2.When the assembling of ultraviolet source uniform irradiation is when outpouring, due to ultraviolet
Light cannot be irradiated to it is opaque outpour inside first 3, therefore photo-curing material inside the injection head keeps original state, there is no
Solidification.When ultraviolet lighting is mapped to light-permeable and outpours first 4, since ultraviolet light can outpour head through this, therefore light-permeable outpours head
Start to solidify when interior photo-curing material, until forming.
Attachment base 1, charging liquid storage pipe 2 and it is opaque to outpour first 3 be generally metal material, and be integrated setting.And it can
Light transmission outpours first 4 and transparent hydrophobic composite is selected to be fabricated, and various ways can be used with opaque and outpour first 3 realization
It is fixed, for example, can by the way of being screwed, the mode of the mode of engaging or interference fit fixes.
In the present embodiment, we realize that light-permeable outpours first 4 and relatively opaque outpours first 3 by the way of interference fit
It is fixed.Light-permeable is installed using interference mode to outpour first 4 while also facilitating the installation and replacement that light-permeable outpours first 4.It is practical
When installation, light-permeable is directly outpoured first 4 and is inserted into opaque outpour in first 3.In addition, using this fixed form, liquid
Printed material from it is opaque outpour first 3 and enter light-permeable and outpour first 4 top be in the opaque part outpoured in first 3,
Will not be cured, be formed simultaneously stable material stream, the material stream enter further into light-permeable outpour first 4 in impermeable
Light outpours the part outside first 3, i.e., real light transmission part starts to solidify；Using this structure, liquid material is also prevented from impermeable
Light outpour first 3 and light-permeable outpour it is first 4 handover position block.
It is a preferred technical solution of the invention as shown in Figure 2, ultraviolet source uses movable ultraviolet source
5, when ultraviolet source uniform irradiation light-permeable outpours, movable ultraviolet source 5 is to be placed outside nozzle structure, which can
Make the direction of the ultraviolet light irradiated that light-permeable be followed to outpour the change of a position and change, guarantees to irradiate ultraviolet
Light always can uniform irradiation outpoured on first 4 to light-permeable, and light intensity can be adjusted by adjusting movable ultraviolet source.
It as shown in Figure 3a and Figure 3b shows, is the preferred technical solution of another kind of the invention, it is opaque to outpour in the present embodiment
First 3 outer wall is cylindrical side wall.Ultraviolet source uses fixed ultraviolet source 6, and fixed ultraviolet source 6 is inverted
Bowl-type structure, be fixed on it is opaque outpour first 3 outer wall.When ultraviolet source uniform irradiation light-permeable outpours, fixed purple
Outer radiant 6 be directly installed on it is opaque outpour outside first 3, it is integral with nozzle structure group, it is fixed, ultraviolet light can be made
Always uniform irradiation outpours on first 4 line to light-permeable, and can adjust light intensity by adjusting fixed ultraviolet source.It is fixed
It is fixed ring at the top of ultraviolet source 6；Fixed ultraviolet source 6 can be realized by various modes to be outpoured outside first 3 with opaque
The fixation of wall, such as can be using ring-side wall setting positioning bolt is fixed at the top of fixed ultraviolet source 6, when fixed, directly
Screwed in place bolt is connect, so that positioning bolt dieback outpours first 3 outer wall opaque, realizes being fixed to each other for the two；Or
Can by fixed ring inner wall and it is opaque outpour first 3 outer wall be processed into can mutually matched helicitic texture, directly pass through screw thread knot
Structure realizes the fixation of the two.
It as shown in figures 4 a and 4b, is the third preferred technical solution of the invention, attachment base 1 feeds liquid storage pipe 2,
It is opaque outpour first 3 and light-permeable outpour and be additionally provided with interior spray head in first 4, interior spray head 7 be assemblied in printing head inside configuration composition
Coaxial configuration, is interior material cavity, interior 7 outer wall of spray head and charging liquid storage pipe 2 in interior spray head 7, opaque to outpour first 3 and light-permeable note
Lift one's head and constitute outer material cavity between 4 outer walls, at the top of interior spray head 7 can be used between attachment base 1 engagement thread, welding manner or
The modes such as snap fit seal fixation；Photo-curing material is set by the discharge hole for discharge of outer material cavity, the feed inlet of outer material cavity
It sets in charging 2 side wall of liquid storage pipe, is that horizontal direction and interior spray head are vertically staggered.When ultraviolet light uniform irradiation to light-permeable
When outpouring first 4, photo-curing material meeting solidified forming is simultaneously squeezed out, since interior spray head outpours the liquid that ultraviolet light is unable to crosslinking curing
Body, so that the photo-curing material finally printed is hollow structure.
Claims (9)
1. a kind of 3D printing spray head, the head body including having inner cavity, which is characterized in that the head body bottom is fixed with
The opaque of coaxial arrangement outpours head and light-permeable outpours head, and light-permeable outpours head and is fixed on and opaque outpours a bottom；Institute
It states the inner cavity of head body and outpours head and light-permeable outpours the inner cavity of head and is connected to opaque.
2. 3D printing spray head according to claim 1, which is characterized in that the head body includes attachment base and fixation
Charging liquid storage pipe in attachment base bottom, the attachment base, charging liquid storage pipe and the opaque metal for outpouring head and being integrated setting
Structure.
3. 3D printing spray head according to claim 1, which is characterized in that the light-permeable outpours head and is detachably mounted to
It is described opaque to outpour a bottom.
4. 3D printing spray head according to claim 1, which is characterized in that the head body opaque outpours head and can
Light transmission outpours the interior of head and intracavitary is coaxially arranged with interior spray head.
5. 3D printing spray head according to claim 4, which is characterized in that the head body includes attachment base and fixation
Charging liquid storage pipe in attachment base bottom；It is fixed at the top of the interior spray head with attachment base sealing；The outer wall of the interior spray head and institute
It states head body, opaque outpour head and light-permeable outpours and constitutes outer material cavity, interior nozzle cavity structure between the interior cavity wall of head
At interior material cavity；The feed inlet of the outer material cavity is arranged in the charging liquid storage pipe side wall, the feed inlet of the interior material cavity
It is arranged at the top of interior spray head.
6. described in any item 3D printing spray heads according to claim 1~5, which is characterized in that described opaque to outpour an outer wall
For column construction.
7. 3D printing spray head according to claim 6, which is characterized in that further include movable ultraviolet source.
8. 3D printing spray head according to claim 6, which is characterized in that be fixed on the column construction fixed ultraviolet
Radiant.
9. 3D printing spray head according to claim 8, which is characterized in that the fixed ultraviolet source is " eight " font
Structure, big mouth down setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710083137.1A CN106863798B (en) | 2017-02-16 | 2017-02-16 | A kind of 3D printing spray head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710083137.1A CN106863798B (en) | 2017-02-16 | 2017-02-16 | A kind of 3D printing spray head |
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| CN106863798A CN106863798A (en) | 2017-06-20 |
| CN106863798B true CN106863798B (en) | 2019-03-01 |
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| CN201710083137.1A Active CN106863798B (en) | 2017-02-16 | 2017-02-16 | A kind of 3D printing spray head |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107127971A (en) * | 2017-06-21 | 2017-09-05 | 西安交通大学 | A kind of photocuring extrusion shower nozzle in situ |
| CN110101448B (en) * | 2019-04-22 | 2020-10-27 | 西安交通大学 | Photocuring hydrogel conveying device for minimally invasive surgery and in-situ printing method |
| CN111169008B (en) * | 2020-03-03 | 2022-02-18 | 天津博盛睿创科技有限公司 | 3D printing nozzle |
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|---|---|---|---|---|
| CN105328901A (en) * | 2014-07-30 | 2016-02-17 | 北京数码视讯科技股份有限公司 | 3D printing method and device and 3D printer |
| CN205130407U (en) * | 2015-11-04 | 2016-04-06 | 厦门强本科技有限公司 | 3D (three -dimensional) printing device |
| CN205395180U (en) * | 2016-03-01 | 2016-07-27 | 深圳马顿科技有限公司 | 3D printing pen |
| WO2016125138A2 (en) * | 2015-02-02 | 2016-08-11 | Massivit 3D Printing Technologies Ltd | A curing system for printing of 3d objects |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201512715A (en) * | 2013-09-25 | 2015-04-01 | 鴻海精密工業股份有限公司 | Manufacturing device for micro-structure of a light guide plate and manufacturing method of the same |
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2017
- 2017-02-16 CN CN201710083137.1A patent/CN106863798B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328901A (en) * | 2014-07-30 | 2016-02-17 | 北京数码视讯科技股份有限公司 | 3D printing method and device and 3D printer |
| WO2016125138A2 (en) * | 2015-02-02 | 2016-08-11 | Massivit 3D Printing Technologies Ltd | A curing system for printing of 3d objects |
| CN205130407U (en) * | 2015-11-04 | 2016-04-06 | 厦门强本科技有限公司 | 3D (three -dimensional) printing device |
| CN205395180U (en) * | 2016-03-01 | 2016-07-27 | 深圳马顿科技有限公司 | 3D printing pen |
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| CN106863798A (en) | 2017-06-20 |
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