CN104859149B - A kind of rapid photocuring shower nozzle for 3D printing equipment - Google Patents
A kind of rapid photocuring shower nozzle for 3D printing equipment Download PDFInfo
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- CN104859149B CN104859149B CN201510234338.8A CN201510234338A CN104859149B CN 104859149 B CN104859149 B CN 104859149B CN 201510234338 A CN201510234338 A CN 201510234338A CN 104859149 B CN104859149 B CN 104859149B
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- photocuring
- light source
- barrel
- fixed mount
- shower nozzle
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Abstract
The present invention discloses a kind of rapid photocuring shower nozzle for 3D printing equipment.The shower nozzle mainly includes photocuring nozzle housing, barrel portion, point source part, reflective mirror angle frame lifting part, wherein barrel portion mainly include barrel, be connected to the dispensing needle head of barrel bottom, located at the barrel lid on barrel top, point source part mainly includes laser point light source, light source fixing frame, illuminator fixed mount, reflective mirror angle frame, and reflective mirror angle frame lifting part mainly includes screw mandrel, adjusting knob, slideway, slide block, screw.The photocuring shower nozzle has compact structure, the high advantage of Light-Curing Efficiency;Built-in high power laser light source, by the reflecting focal of reflecting optics in the discharging opening position of shower nozzle, to ensure that just there is the high power laser illumination of respective wavelength the moment for discharging, so as to realize the rapid solidification of photo-curing material.
Description
Technical field
The invention belongs to 3D printing equipment technical field, is related to a kind of rapid photocuring shower nozzle for 3D printing equipment.
Background technology
3D printer is the rapid forming equipment for rising in recent years.Need when 3D printer is printed first with software by threedimensional model
Layer is cut, a series of digital slices are formed.Then raw material is stacked up layer by layer by 3D printer according to these slice informations, directly
To one solid body of formation.3D printer printing head is the position of 3D printer extruded material, is the core of 3D printer
Position.According to the heterogeneity of material, printing different materials needs different conditions, such as high temperature, low temperature etc..This requires 3D
The printing head of printer can meet these special print conditions, if producing the high temp. jetting nozzle of high temperature, can reduce material temperature
The low-temp. spraying of degree is first-class.With the development of material technology, photo-curing material is gradually applied to 3D printing field.As the term suggests light
Curing materials need the light of specific wavelength to irradiate the material that could be solidified.Print photo-curing material to be accomplished by 3D printer
It is equipped with corresponding photocuring shower nozzle.Photo-curing material quickly can be changed into solid when the light beam of its respective wavelength irradiates from liquid
State.If so the light irradiation of the position respective wavelength in shower nozzle extruded material, material just can fast setting, so as to realize
Spatially without the need for the solid modelling of support.
Not only volume is big but also Light-Curing Efficiency is low for existing photocuring printing head, it is difficult to support rapid shaping, seriously
Affect effect and the efficiency for printing.In order to improve above-mentioned situation, the invention discloses a kind of compact conformation, compact and photocuring effect
Rate is high, the photocuring shower nozzle that effect is good.
The content of the invention
The purpose of the present invention is for the deficiencies in the prior art, there is provided a kind of rapid photocuring spray for 3D printing equipment
Head, is exactly specifically when 3D printer is used for the printing of photo-curing material, immediately with respective wavelength after material extrusion
High-power point source is irradiated, and enables photo-curing material rapid solidification, so as to realize 3D printer spatially direct
Moulding.
For achieving the above object, the present invention is adopted the following technical scheme that:
The rapid photocuring shower nozzle of the present invention mainly includes photocuring nozzle housing, barrel portion, point source part, illuminator
Angle frame lifting part, wherein barrel portion mainly include barrel, be connected to the dispensing needle head of barrel bottom, located at barrel top
Barrel lid, point source part mainly include laser point light source, light source fixing frame, illuminator fixed mount, reflective mirror angle frame, instead
Light microscopic angle frame lifting part mainly includes screw mandrel, adjusting knob, slideway, slide block, screw;
Described photocuring nozzle housing is the hollow housing of a bottom opening, and case top is provided with a groove, the groove
Middle part is provided with the first through hole of a straight-through housing cavity, and the clear size of opening is identical with barrel external diameter, and housing cavity is from up to
Under be sequentially provided with light source fixing frame, illuminator fixed mount;
Described barrel stretches into housing cavity from first through hole at the top of photocuring nozzle housing, and through light source fixing frame,
Illuminator fixed mount, is provided with limited block so as to position at the top of barrel;It is provided with by bolt at the top of photocuring nozzle housing simultaneously
Gland, the gland can be rotated along bolt, when gland goes to side on barrel lid, barrel lid can be fastened in above-mentioned photocuring shower nozzle
In cover top portion groove, and because barrel lid is fixed on above barrel, therefore barrel can be fixed on outside photocuring shower nozzle by gland
On shell.
Described screw mandrel runs through photocuring nozzle housing, light source fixing frame, illuminator fixed mount, is respectively arranged at two ends with ladder
And positioned by bearing, screw mandrel lower surface is flushed with the lower surface of lower section bearing, upper surface of the upper surface higher than top bearing, high
The part for going out is used for secured adjusted knob;Described adjusting knob is located at the top of nozzle housing, is fixed on silk by lock-screw
On bar, so as to realize that rotation adjusting knob just can be with the purpose of rotary screw rod;
Described screw mandrel is provided with screw in the through hole of illuminator fixed mount upper end, and the screw is engaged with screw mandrel, is made
Obtain screw mandrel rotation and can drive moving up and down for screw, so as to realize the whole illuminator fixed mount of rotation drive of screw mandrel outside shower nozzle
Shell is moved up and down;
Described light source fixing frame is fixed by screws in photocuring nozzle housing so that screw mandrel rotate when not with its
It is raw to interfere;Light source fixing frame is provided with several equally distributed second manholes, these manholes and passes through screw
It is fixed with laser point light source, the wherein laser of laser point light source upside down.
Described illuminator fixed mount is mainly integrally formed molding structure by upper end, bottom;Open described upper end
There is threeth manhole of the and diameter identical with light source fixing frame the second manhole quantity slightly larger than above-mentioned second manhole,
Upper end two sides are provided with slideway simultaneously, and the slideway is engaged with the slide block positioned at photocuring nozzle housing inwall, so as to realize
Relative slip of the illuminator fixed mount relative to nozzle housing;Described bottom is provided with a fourth hole, above-mentioned whole the 3rd
Area defined projection on bottom in manhole cross section is located in the through hole, and it is solid that bottom bottom is provided with an illuminator
Determine frame bottom end cover, the illuminator fixed mount bottom end cover opens a fifth hole for being dimensioned slightly smaller than fourth hole, while in illuminator
The 3rd manhole opposite position of fixed mount bottom end cover places reflective mirror angle frame respectively, wherein on each reflective mirror angle frame
It is respectively and fixedly provided with a piece of laser-bounce eyeglass so that the 3rd manholes of light source Jing that laser point light source sends, fourth hole are reached
Laser-bounce eyeglass, it is reflected to focus on dispensing needle head exit position.
Described illuminator fixed mount upper end cross-section lengths are more than photocuring nozzle housing bottom opening diameter, and little
In photocuring nozzle housing lumenal cross-section length, the cross-section lengths of illuminator fixed mount bottom are less than outside photocuring shower nozzle
Shell bottom opening diameter.
Beneficial effects of the present invention:
The present invention is used exclusively for the printing head that 3D printer prints photo-curing material.The photocuring shower nozzle has structure
It is compact, the high advantage of Light-Curing Efficiency;Built-in high power laser light source, by the reflecting focal of reflecting optics shower nozzle discharging
Mouth position, to ensure that just there is the high power laser illumination of respective wavelength the moment for discharging, so as to realize the quick of photo-curing material
Solidification.The focal position of laser is manually adjustable, and as the nozzle length of printing head is different, the height of shower nozzle discharging also can be with
Respective change, in order to ensure that in the nozzle using different length laser converges in discharging opening position, the present invention is arranged
This manual focusing function.As the LASER Light Source of the present invention is built-in, so will not when using the photocuring shower nozzle
The diffusion of light is caused, operator are hurt.
Description of the drawings
Fig. 1 is a kind of front view of rapid photocuring shower nozzle of the present invention.
Fig. 2 is a kind of top view of rapid photocuring shower nozzle of the present invention.
Fig. 3 is sectional view of the present invention along Section A-A.
Fig. 4 is sectional view of the present invention along D-D sections.
Fig. 5 is sectional view of the present invention along C-C sections.
Fig. 6 is sectional view of the present invention along section B-B.
Fig. 7 is sectional view of the present invention along E-E sections.
Fig. 8 is the structure chart after uncapping of the present invention.
Fig. 9 is uncapping of the present invention and the structure chart after shell.
Figure 10 is the explosive view of the present invention.
Wherein 1 be nozzle housing, 2 be reflective mirror angle frame, 3 be laser-bounce eyeglass, 4 be barrel, 5 be dispensing needle head, 6
For illuminator fixed mount bottom end cover, 7 be bearing, 8 be screw mandrel, 9 be adjusting knob, 10 be light source fixing frame, 11 be illuminator admittedly
Determine frame, 12 be slideway, 13 be slide block, 14 be screw, 15 be barrel lid, 16 be laser point light source, 17 be gland, 18 be shower nozzle
Lid.
Specific embodiment
Below in conjunction with the accompanying drawings the embodiment of the present invention is elaborated.
Referring to Fig. 1-10, being intended that in the case where shower nozzle small volume, Light-Curing Efficiency height is ensured for the present embodiment, spraying
Solidified light irradiation at head tip materials extrusion in real time.As the dispensing needle head 5 at shower nozzle tip has different specifications, no
5 length of dispensing needle head of same specification is variant, so the position of material extrusion can become with the change of the length of dispensing needle head 5
Change, this means that laser beam that four laser point light sources 16 are sent in the focus point energy after the reflection of laser-bounce eyeglass
It is enough to change with the change of the length of dispensing needle head 5.To achieve these goals, the present embodiment is devised outside photocuring shower nozzle
Shell 1, barrel portion, point source part, the structure of three parts of reflective mirror angle frame lifting part.Wherein barrel portion is mainly wrapped
Include barrel 4, be connected to the dispensing needle head 5 of 4 bottom of barrel, located at the barrel lid 15 on 4 top of barrel, point source part mainly includes
Laser point light source 16, light source fixing frame 10, illuminator fixed mount 11, reflective mirror angle frame 2, reflective mirror angle frame lifting part master
To be included screw mandrel 8, adjusting knob 9, the slideway 12 positioned at illuminator fixed mount 11, be fixed on below photocuring nozzle housing 1 in
The slide block 13 of wall, screw 14;
Described photocuring nozzle housing 1 is the hollow housing that bottom opening is circle, and case top is provided with a groove, should
Groove middle part is provided with the first through hole of a straight-through housing cavity, and the clear size of opening is identical with barrel, and housing cavity is from up to
Under be sequentially provided with light source fixing frame 10, illuminator fixed mount 11;For ease of housing hollow inner structure, housing one side is by spray
18 screw of skull is fixed and is closed.
Described barrel 4 stretches into housing cavity from 1 top through hole of photocuring nozzle housing, and through light source fixing frame 10,
Illuminator fixed mount 11, the top of barrel 4 are provided with limited block so as to position;Pass through bolt at the top of photocuring nozzle housing 1 simultaneously
Gland 17 is provided with, the gland 17 can be rotated along bolt, when gland (17) has gone to barrel 15 top of lid, barrel lid 15 can be pressed
Jail is in above-mentioned groove, and is fixed on above barrel 4 because of barrel lid 15, therefore barrel 4 can be fixed on photocuring by gland 17
On nozzle housing 1.
Described screw mandrel 8 runs through photocuring nozzle housing 1, light source fixing frame 10, illuminator fixed mount 11, and two ends set respectively
There is ladder and by two bearing positioning, 8 lower surface of screw mandrel is flushed with the lower surface of lower section bearing, and upper surface is higher than top bearing
Upper surface, the part being higher by be used for secured adjusted knob 9;Described adjusting knob 9 is located at the top of nozzle housing 1, by lock
Tight screw is fixed on screw mandrel 8, so as to realize that rotation adjusting knob 9 just can be with the purpose of rotary screw rod 8.
Described screw mandrel 8 is provided with screw 14 in the 11 upper end through hole of illuminator fixed mount, the screw 14 and 8 phase of screw mandrel
Coordinate so that screw mandrel 8 is rotated and can drive moving up and down for screw, so as to the rotation for realizing screw mandrel 8 drives whole illuminator to fix
Frame 11 is moved up and down along nozzle housing 1.
Described 10 cross section of light source fixing frame is square, and is fixed by screws in photocuring nozzle housing 1, makes
Obtain when screw mandrel is rotated and do not interfere with which;Light source fixing frame 10 is provided with four equally distributed second manholes, these
Laser point light source 16, the wherein laser of laser point light source 16 are fixed with upside down by screw in manhole.
Described illuminator fixed mount 11 is integrally formed molding structure, wherein upper end cross section by upper end, bottom
For square, lower end cross section is circular;Described upper end is provided with four diameters slightly larger than above-mentioned second manhole
3rd manhole, while upper end left and right sides are provided with slideway, the slideway and the cunning for being located at 1 inwall of photocuring nozzle housing
Block is engaged, and so as to realize relative slip of the illuminator fixed mount 11 relative to nozzle housing 1, that is, realizes illuminator fixed mount 11
Can only in one direction along the purpose of the movement of photocuring nozzle housing 1;Described bottom is provided with a cross section for the of X-type
Four through holes, the projection on bottom of the 3rd manhole cross section area defined of above-mentioned whole are located in the through hole so that
Light source can be directly entered fourth hole by the 3rd manhole, while bottom bottom is provided with an illuminator fixed mount bottom end cover
6, the illuminator fixed mount bottom end cover 6 opens a fifth hole of the cross section for X-type for being dimensioned slightly smaller than fourth hole, while anti-
Fixed placement reflective mirror angle frame 2 is distinguished at 6 four angles of light microscopic fixed mount bottom end cover, wherein solid on each reflective mirror angle frame 2
Surely there is a piece of laser-bounce eyeglass 3 so that the 3rd manholes of light source Jing that laser point light source 16 sends, fourth hole are reached and swashed
Light reflection mirror piece 3, the reflected lower section for focusing on dispensing needle head 5.
The length of described 11 upper end cross section of illuminator fixed mount is straight more than 1 bottom opening of photocuring nozzle housing
Footpath, and less than the width of 1 lumenal cross-section of photocuring nozzle housing, the length of 11 lower end cross section of illuminator fixed mount is less than
1 bottom opening diameter of photocuring nozzle housing, to ensure that illuminator fixed mount 11 will not be with when moving up and down in the nozzle housing 1
Nozzle housing is interfered.
In sum, this photocuring shower nozzle can be in the case where compact structure, Light-Curing Efficiency height be ensured.Realize rotating
Adjusting knob 9 changes the height and position of laser joint, the purpose for making laser joint be located at the material extrusion of shower nozzle.
The course of work:
The photocuring shower nozzle is arranged on into the shower nozzle installation position of 3D printer, suitable barrel 4 and dispensing needle head is loaded onto
5, LASER Light Source 16 is opened, rotating adjusting knob 9 moves up and down illuminator fixed mount 10, until the convergent point of laser just stops
Stay in dispensing needle head exit position.After starting to print, powerful laser beam is radiated at tip extrusion just from dispensing needle head
Photo-curing material on, photo-curing material is solidified rapidly, so as to realize the rapid shaping of photo-curing material.
Above-described embodiment is not that the present invention is not limited only to above-described embodiment, as long as meeting for the restriction of the present invention
Application claims, belong to protection scope of the present invention.
Claims (6)
1. a kind of rapid photocuring shower nozzle for 3D printing equipment, it is characterised in that mainly include photocuring nozzle housing, material
Cylinder part, point source part, wherein barrel portion mainly include barrel, be connected to the dispensing needle head of barrel bottom, located at barrel
The barrel lid on top, point source part mainly include laser point light source, light source fixing frame, illuminator fixed mount, reflective mirror angle
Frame;
Described photocuring nozzle housing is the hollow housing of a bottom opening, and case top is provided with a groove, in the middle of the groove
Position is provided with the first through hole of a straight-through housing cavity, and the clear size of opening is identical with barrel external diameter, housing cavity from top to bottom according to
It is secondary to be provided with light source fixing frame, illuminator fixed mount;
Described barrel stretches into housing cavity from first through hole at the top of photocuring nozzle housing, and through light source fixing frame, reflective
Mirror fixed mount, is provided with limited block so as to position at the top of barrel;
Described light source fixing frame is fixed by screws in photocuring nozzle housing so that screw mandrel is not done with which when rotating
Relate to;Light source fixing frame is provided with several equally distributed second manholes, these manholes and is fixed by screw
There are laser point light source, the wherein laser of laser point light source upside down;
Described illuminator fixed mount is mainly integrally formed molding structure by upper end, bottom;Described upper end be provided with
Light source fixing frame the second manhole quantity is identical and diameter slightly larger than above-mentioned second manhole the 3rd manhole;It is described
Bottom be provided with a fourth hole, above-mentioned 3rd manhole cross section area defined projects on bottom that be located at should
In fourth hole, bottom bottom is provided with an illuminator fixed mount bottom end cover, and the illuminator fixed mount bottom end cover opens size summary
Less than the fifth hole of fourth hole, while being placed with illuminator fixed mount bottom end cover anti-with laser point light source quantity identical
A piece of laser-bounce eyeglass is respectively and fixedly provided with light microscopic angle frame, wherein each reflective mirror angle frame so that laser point light source sends
The 3rd manholes of light source Jing, fourth hole reach laser-bounce eyeglass, it is reflected to focus on dispensing needle head exit position.
2. a kind of rapid photocuring shower nozzle for 3D printing equipment as claimed in claim 1, it is characterised in that also including anti-
Light microscopic angle frame lifting part, wherein reflective mirror angle frame lifting part mainly include screw mandrel, slideway, slide block;Described screw mandrel
Through photocuring nozzle housing, light source fixing frame, illuminator fixed mount;Described slideway is located at illuminator fixed mount upper end two
Side, the slideway are engaged with the slide block positioned at photocuring nozzle housing inwall, so as to realize illuminator fixed mount relative to spray
The relative slip of head shell.
3. a kind of rapid photocuring shower nozzle for 3D printing equipment as claimed in claim 2, it is characterised in that described silk
Bar is respectively arranged at two ends with ladder and is positioned by bearing, and screw mandrel lower surface is flushed with the lower surface of lower section bearing, and upper surface is higher than
The upper surface of top bearing, the part being higher by is used for secured adjusted knob;Described adjusting knob is located at the top of nozzle housing, is led to
Cross lock-screw to be fixed on screw mandrel, so as to realize that rotation adjusting knob just can be with the purpose of rotary screw rod.
4. a kind of rapid photocuring shower nozzle for 3D printing equipment as claimed in claim 2, it is characterised in that described silk
Bar is provided with screw in the through hole of illuminator fixed mount upper end, and the screw is engaged with screw mandrel so that screw mandrel is rotated and can be driven
Screw is moved up and down, so as to the rotation for realizing screw mandrel drives whole illuminator fixed mount to move up and down along nozzle housing.
5. a kind of rapid photocuring shower nozzle for 3D printing equipment as claimed in claim 1, it is characterised in that photocuring sprays
Head cover top portion is provided with gland by bolt, and the gland can be rotated along bolt, when gland goes to side on barrel lid, can be by barrel
Lid is fastened in above-mentioned photocuring nozzle housing top groove.
6. a kind of rapid photocuring shower nozzle for 3D printing equipment as claimed in claim 1, it is characterised in that described is anti-
Light microscopic fixed mount upper end cross-section lengths are more than photocuring nozzle housing bottom opening diameter, and are less than photocuring nozzle housing
Lumenal cross-section length, the cross-section lengths of illuminator fixed mount bottom are less than photocuring nozzle housing bottom opening diameter.
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CN105291434A (en) * | 2015-11-04 | 2016-02-03 | 厦门强本科技有限公司 | 3D printing equipment |
CN105479754B (en) * | 2015-12-31 | 2017-12-29 | 深圳市普伦特科技有限公司 | 3d printer |
CN106313504A (en) * | 2016-10-13 | 2017-01-11 | 广州黑格智能科技有限公司 | Photo-curing method of 3D printer |
CN107521092A (en) * | 2017-10-26 | 2017-12-29 | 北京科田高新技术有限公司 | A kind of direct write type 3D printer |
CN107962779A (en) * | 2017-12-04 | 2018-04-27 | 广州黑格智造信息科技有限公司 | Underwater light curing system |
CN108032467B (en) * | 2017-12-28 | 2021-04-09 | 上海艾深斯科技有限公司 | Method for curing electronic conductive adhesive by aid of laser |
CN108264756B (en) * | 2018-01-25 | 2020-11-24 | 哈尔滨工业大学 | Three-dimensional laser deposition forming 3D printing material and equipment |
CN109555993A (en) * | 2018-11-19 | 2019-04-02 | 东莞市蓝闪电子科技有限公司 | A kind of portable high power UV solidification LED optically focused point light source |
CN110356000B (en) * | 2019-06-29 | 2021-11-12 | 浙江大学 | Biological 3D printer |
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Address after: Hangzhou City, Zhejiang province 310018 poplar economic and Technological Development Zone Street No. 6 Street No. 452 Building 2 room C1101-C1102 Patentee after: Hangzhou giantlok fly biological Polytron Technologies Inc Address before: Hangzhou City, Zhejiang province 310018 poplar economic and Technological Development Zone Street No. 6 Street No. 452 Building 2 room C1101-C1102 Patentee before: Hangzhou Jienuofei Biotechnology Co., Ltd. |