CN207359636U - Projection device for photocuring printer and printer with same - Google Patents
Projection device for photocuring printer and printer with same Download PDFInfo
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- CN207359636U CN207359636U CN201721435571.3U CN201721435571U CN207359636U CN 207359636 U CN207359636 U CN 207359636U CN 201721435571 U CN201721435571 U CN 201721435571U CN 207359636 U CN207359636 U CN 207359636U
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- lens
- printer
- lcd screen
- stereolithography
- working face
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Abstract
The utility model discloses a high-precision projection device for a light-curing printer. A condenser lens is arranged between the LCD screen and the model separation light-transmitting layer of a magazine, and the light is formed on the side of the model separation light-transmitting layer inside the magazine. Curing the working surface, and by adjusting the distance between the condenser lens and the light-curing working surface to be between 0 and 2L (except for L) to achieve printing smaller than the LCD screen resolution. The utility model also discloses a projection device for a light-curing printer. The distance between the condenser lens and the light-curing molding working surface is greater than 2L or the condenser lens is replaced with a divergent lens to realize printing of a printed body larger than the LCD screen size. The utility model also discloses a high-precision light-curing printer, which includes a high-precision projection device and a precise driving mechanism for the light-curing printer, and realizes the function of printing a high-precision 3D printing body.
Description
Technical field
The utility model is related to 3D printing equipment technical field, and in particular to a kind of photocuring printer projection arrangement and
Printer with the device.
Background technology
One of the advantages of photocuring printer is printing precision height, its printing precision and the resolution height phase of display screen
Close.Resolution ratio is 1280 × 768 pixels, 12 inch display screen dot matrix sizes reach 0.16 × 0.16mm, is shown using the specification
The printing precision of the printer of screen can reach micron order, and the precision of the highest photocuring printer of in the market printing precision is about
27μm。
Publication date discloses a kind of two-photon polymerized for the Chinese patent literature CN 105751511A on July 13rd, 2016
3D printer and Method of printing, it includes：Femto-second laser pulse system, has：For producing 600-1000nm two-photon lasers
Femto-second laser, for will the object lens that export after two-photon laser convergence, in the femto-second laser to the object lens
Light path on light path switch and attenuator；Submicron order precise movements platform, for carrying photosensitive resin and being controlled in movement
Mobile photosensitive resin under the control of system processed；CCD monitoring systems, are connected by the light path of dichronic mirror and femto-second laser pulse system
Connect；And control computer, it is connected respectively with the femto-second laser, light path switch, kinetic control system and CCD monitoring systems.
The technology path that the technical solution uses three-dimensional curing molding inside consumptive material for laser, but its of high cost, use cost of manufacture
High, maintenance cost height, is unfavorable for promoting the use of.
The content of the invention
With reference to the polarization of current things（Hugeization, miniaturization）Development trend, for the advanced of future technical advances
Considering, inventor feels the need to the nano-precision technology layout of prior involvement 3D printer, but in existing LCD display
Under restriction, micron pole printing precision has been the limit.Under having daily and nightly in the thoughts, the thinking limitation of the prior art is broken through finally, finds one
The problem of kind is new resolving ideas.
The technical problem to be solved by the present invention is to provide a kind of photocuring printer projection arrangement, which separately wards off
Path, makes the printing precision of photocuring printer surmount the limitation of LCD display.
In order to solve the above technical problems, the utility model adopts the following technical solution：
A kind of high-precision projection arrangement of photocuring printer, including：Luminescence component, the LCD screen of area source can be produced
Curtain, collector lens and with the euphotic magazine of model separation, the collector lens are arranged on the LCD screen and model point
From between photic zone, so that the imaging beam cooperatively formed by the luminescence component, LCD screen is along parallel to the collector lens
Key light direction of principal axis successively through the collector lens, model separation photic zone project after, can be saturating in the model separation on the inside of the magazine
Photosphere side forms the Stereolithography working face parallel with the LCD screen, and the Stereolithography working face is away from the lens
Optical center distance be less than 2L and not equal to collector lens focal length L.When Stereolithography working face is in the focal point of the lens
When, i.e., the distance of the Stereolithography working face away from the optical center of lens is equal to L, and pattern light is in Stereolithography working face at this time
Locate as that a bit, can not realize the function of 3D printing model；When distance of the Stereolithography working face away from the optical center of lens for 2L with
When upper, the image formation by rays pattern area at Stereolithography working face is more than the image formation by rays pattern area at LCD screen, it is impossible to
Realization puies forward high-precision effect.
Wherein, collector lens can be that convex lens, texture face are located at the Fresnel Lenses of LCD screen side, the optically focused
The primary optical axis of lens is perpendicular to the LCD screen；The collector lens is preferably Fresnel Lenses.Fresnel Lenses can eliminate
Part-spherical aberration.
Preferably, the LCD screen is IPS formula screens.IPS formulas screen has 178 ° of wide viewing angles, and response speed is uniform, disappears
Except soft screen liquid crystal display is when being subject to ambient pressure and rocking, the fuzzy and water wave diffusion phenomena of appearance, can improve figure
Precision of the case light in the time and spatially, so as to improve the formed precision of 3D printer.
Preferably, it is inclined with 35~60 degree in the polarizing coating being bonded on the lens side, the LCD screen
Shake angle.Under the polarization angle, the brightness for the light that the LCD screen passes through and the printing consumables being contained in the magazine
Curing rate spectrum be adapted.Polarizing coating is used for contrast and the brightness for adjusting LCD screen；Printing consumables is by curing illumination
When penetrating, the light guide that cures of different brightness causes different curing rates occur, and LCD is controlled by setting the polarization angle of polarizing coating
The light transmittance of screen spot, the curing area and uncured area for making printing consumables form significant difference, so as to reduce " overexposure ", " owe
The occurrence probability of exposure ", makes the high-precision projection arrangement printing precision higher of photocuring printer.
Further, the polarizing coating is rotatory polarization formula polarizing coating.Rotatory polarization（CPL）Formula polarizing coating is being filtered without using up
Afterwards, there will be the polarised light used up and formed circumferentially to rotate and form the round dot light of balance, the saturation degree higher of the round dot light, into
Type point is evenly.
Preferably, the photocuring printer is installed in printer main body with high-precision projection arrangement, the printer
Position regulator is equipped with main body, the collector lens is moved by position regulator relative to Stereolithography working face
It is dynamic.Using position regulator adjustment collector lens and the distance of Stereolithography working face, the contracting of collector lens can be controlled
Small or amplification factor.
Wherein, position regulator can be that printer main body is interior to be equipped with position adjustment dress with female tubular member
Installation position is put, position regulator installation position is equipped with the external screw thread being adapted to the internal thread, and the collector lens is installed on the pipe
In shape part, the tubular member spinning passes through the cooperation of tubular member and printer main body on the position regulator installation position
Adjust the distance of collector lens and Stereolithography working face.By fixed collector lens and magazine can also be installed on position
Adjusting apparatus is put to realize adjustment collector lens and the effect of Stereolithography working face distance.
Alternatively, the position regulator is with female tubular member, printer main body is interior to be equipped with least three position
Adjusting apparatus installation position, the position regulator installation position are equipped with perforation, and being pivotally connected in the perforation has and the internal thread
The gear of adaptation, the wheel shaft of the gear are provided with the handwheel rotated for handsetting gear, and the lens are installed on the tubular member
It is interior, it is installed on the position regulator installation position, is passed through by tubular member described in the internal thread and the engaged gears
Stir the distance of the handwheel adjustment collector lens and Stereolithography working face.
Compared with prior art, above-mentioned photocuring printer is with the advantageous effects of high-precision projection arrangement：
1. the distance away from the optical center of lens is less than 2L and is not equal to using collector lens and setting Stereolithography working face
L, reduces the luminous point for being radiated at the light pattern of Stereolithography working face, corresponding, reduces the corresponding printing consumption of the luminous point
The area of material, so as to improve the printing precision of photocuring printer projection arrangement；
2. the brightness of the light by making LCD screen transmission and the curing speed for the printing consumables being contained in the magazine
Degree spectrum is adapted, and the curing area of printing consumables and uncured area is formed significant difference, and then is improved photocuring printer and used
The printing precision of projection arrangement.
The utility model also provides a kind of high-precision photocuring printer, including：Foregoing photocuring printer high accuracy
Projection arrangement, shaped platform, XY are to precise motion mechanism, Z-direction precise motion mechanism, control unit and printer main body, institute
State the luminescence component that can produce area source, LCD screen, collector lens to be installed on inside printer main body, in the printer
The upper surface of main body is horizontally installed with XY to precise motion mechanism, and the magazine is fixed on the XY to the fortune of precise motion mechanism
On dynamic component, Z-direction precise motion mechanism is installed in the upper surface of the printer main body, the shaped platform is fixed on described
It can move on the moving component of Z-direction precise motion mechanism and along perpendicular to the direction of the Stereolithography working face；It is described
XY is electrically connected with described control unit respectively successively to precise motion mechanism, Z-direction precise motion mechanism.
Wherein, there are German PI Corp., Q-521 Q-Motion small linear platforms in the producer for producing precise motion mechanism
In Q-521.330 least displacement 4nm ranks, stroke 32mm, Z can be realized by being equipped with E-873 Q-Motion servo controllers
To precise motion mechanism.U-723 PILine XY displacement platform stroke 22mm × 22mm, 0.1 μm of minimum stroke.
The advantageous effects of above-mentioned high-resolution photocuring printer are：Using XY to precise motion mechanism, can compared with
In small LCD screen size by magazine relative to the XY of imaging beam to relative movement, and by Z-direction precise motion mechanism,
Realize that shaped platform is relatively moved relative to the Z-direction of Stereolithography working face, so as to fulfill printing high resolution 3 d model
Need, cost is low, simple in structure.
The utility model also provides a kind of photocuring printer projection arrangement, including：Shining for area source can be produced
Component, LCD screen, lens and it is arranged on the LCD screen and model with the euphotic magazine of model separation, the lens
Between separating photic zone, so that by primary optical axis of the imaging beam that the luminescence component, LCD screen cooperatively form along the lens
Direction successively through the lens, model separation photic zone project after, can be in the model separation photic zone side shape on the inside of the magazine
Into the Stereolithography working face parallel with the LCD screen, and the focal length of the lens is L, when the lens are saturating for optically focused
During mirror, the distance of the optical center of the Stereolithography working face away from the lens is more than 2L, alternatively, the lens are divergent lens.When
When lens use collector lens, when the distance of optical center of the Stereolithography working face away from the lens is more than 2L, Stereolithography work
Make the image formation by rays pattern area that the image formation by rays pattern area at face is more than at LCD screen；When lens use divergent lens（It is recessed
Lens）When, image formation by rays pattern area of the imaging beam after divergent lens is magnifying state.
Preferably, the LCD screen is IPS formula screens.IPS formulas screen has 178 ° of wide viewing angles, and response speed is uniform, disappears
Except soft screen liquid crystal display is when being subject to ambient pressure and rocking, the fuzzy and water wave diffusion phenomena of appearance, can improve figure
Precision of the case light in the time and spatially, so as to improve the formed precision of 3D printer.
Preferably, there is 35~60 polarization in the polarizing coating being bonded in the lens side, described LCD screen
Angle, under the polarization angle, the brightness for the light that the LCD screen passes through and the printing consumables that is contained in the magazine
Curing rate spectrum is adapted.Polarizing coating is used for contrast and the brightness for adjusting LCD screen；Printing consumables is irradiated by light is cured
When, the light guide that cures of different brightness causes different curing rates occur, and LCD screen is controlled by setting the polarization angle of polarizing coating
The light transmittance of curtain luminous point, the curing area and uncured area for making printing consumables form significant difference, so as to reduce " overexposure ", " owing to expose "
Occurrence probability, and then improve photocuring printer projection arrangement printing precision.
Further, the polarizing coating is rotatory polarization formula polarizing coating.Rotatory polarization（CPL）Formula polarizing coating is being filtered without using up
Afterwards, there will be the polarised light used up and formed circumferentially to rotate and form the round dot light of balance, the saturation degree higher of the round dot light, into
Type point is evenly.
Preferably, the photocuring printer is installed in printer main body with projection arrangement, in the printer main body
Equipped with position regulator, the lens are moved by position regulator relative to Stereolithography working face.Using position
Adjusting apparatus adjusts the distance of lens and Stereolithography working face, and can control collector lens zooms in or out multiple.
Wherein, position regulator can be that printer main body is interior to be equipped with position adjustment dress with female tubular member
Installation position is put, the position regulator installation position is equipped with the external screw thread being adapted to the internal thread, and the lens are installed on the pipe
In shape part, the tubular member spinning passes through the cooperation of tubular member and printer main body on the position regulator installation position
Adjust the distance of lens and Stereolithography working face.Position adjustment dress can also be installed on by fixed lens and by magazine
Put to realize adjustment lens and the effect of Stereolithography working face distance.
Alternatively, the position regulator is with female tubular member, printer main body is interior to be equipped with least three position
Adjusting apparatus installation position, the position regulator installation position are equipped with perforation, and being pivotally connected in the perforation has and the internal thread
The gear of adaptation, the wheel shaft of the gear are provided with the handwheel rotated for handsetting gear, and the lens are installed on the tubular member
It is interior, it is installed on the position regulator installation position, is passed through by tubular member described in the internal thread and the engaged gears
Stir the distance of the handwheel adjustment collector lens and Stereolithography working face.
Compared with prior art, above-mentioned photocuring printer is with the advantageous effects of projection arrangement：Using lens pair
Pattern divergence of beam, so that the image formation by rays pattern area at Stereolithography working face and the image formation by rays figure at LCD screen
Case area is in a ratio of magnifying state, so as to print the 3D models for exceeding LCD screen specification.
Brief description of the drawings
Fig. 1 is a kind of profile of the embodiment 1 of the high-precision projection arrangement of photocuring printer.
Fig. 2 is a kind of profile of the embodiment 2 of the high-precision projection arrangement of photocuring printer.
Fig. 3 is a kind of profile of the embodiment 1 of photocuring printer projection arrangement.
Fig. 4 is a kind of profile of the embodiment 2 of photocuring printer projection arrangement.
Fig. 5 is a kind of profile for the LCD screen for posting polarizer.
Fig. 6 is the profile of another position regulator.
Fig. 7 is a kind of profile of high-precision photocuring printer, the wherein XY on printer top to precise motion mechanism,
The ratio of Z-direction precise motion mechanism section and figure differs, the reason is that, in minimum mobile rank, can not be same
Its structure is clearly expressed in width figure.
In figure, 1 is luminescence component, and 11 be point light source, and 12 be Fresnel Lenses, and 2 be LCD screen, and 21 be liquid crystal layer, and 22 is inclined
Shake piece, and 3 be lens, and 4 be magazine, and 41 be model separation photic zone, and 42 be printing consumables, and 43 be Stereolithography working face, and 5 are
Type-script, 61 be position regulator installation position, and 611 be gear, and 62 be position regulator, and 71 be XY to precise motion machine
Structure, 72 be Z-direction precise motion mechanism, and 8 be curing molding platform, and 9 be printer main body, and horizontal line 0 is optical center position, and horizontal line L is
Focal position, horizontal line 2L are 2 times of focal lengths.
Embodiment
Illustrate specific embodiment of the present utility model with reference to the accompanying drawings and examples, but following embodiments simply use
To describe the utility model in detail, the scope of the utility model is not limited in any way.
Embodiment 1：A kind of high-precision projection arrangement of photocuring printer, referring to Fig. 1, including：Area source can be produced
Luminescence component 1, LCD screen 2, collector lens 3 and the magazine 4 with model separation photic zone 41, what luminescence component 1 was sent
Directional light vertical irradiation forms pattern light, key light direction of principal axis of the pattern light edge parallel to collector lens 3 after LCD screen 2
Projected successively after the collector lens 3, model separation photic zone 41, be in 41 side of model separation photic zone of the inner side of magazine 4
Stereolithography working face 43, Stereolithography working face 43 are parallel with LCD screen 2；The focal length of collector lens 3 is L, which consolidates
Distance of the chemical conversion type working face 43 away from 3 optical center of lens is less than L.When Stereolithography working face 43 is in the focal point of the lens 3
When, i.e. distance of the Stereolithography working face 43 away from 3 optical center of lens is equal to L, and pattern light is in Stereolithography work at this time
Make to be that a bit, can not realize the function of 3D printing model at face；When distance of the Stereolithography working face 43 away from 3 optical center of lens
For more than 2L when, the moulding material of Stereolithography working face is magnifying state, it is impossible to realization put forward high-precision effect.
In the present embodiment, LCD screen 2 is IPS formula screens.IPS formulas screen has 178 ° of wide viewing angles, and response speed is uniform,
Soft screen liquid crystal display is eliminated when being subject to ambient pressure and rocking, the fuzzy and water wave diffusion phenomena of appearance, can improve
Precision of the pattern light in the time and spatially, so as to improve the formed precision of 3D printer.
Referring to Fig. 5, close to 3 side of lens, the polarizing coating 22 that is bonded in LCD screen 2 there is 35 degree of polarization angle,
Under the polarization angle, the curing rate of the brightness for the light that LCD screen 2 passes through and the printing consumables 42 being contained in magazine 4
Spectrum is adapted.In other embodiments, close to 3 side of lens, the angle of polarization of polarizing coating 22 that is bonded in LCD screen 2
Degree can also be any value between 35~60 degree.Polarizing coating 22 is used for contrast and the brightness for adjusting LCD screen 2；Printing consumption
For material 42 when by light irradiation is cured, the light guide that cures of different brightness causes different curing rates occur, by setting polarizing coating
For polarization angle to control the light transmittance of LCD screen luminous point, the curing area and uncured area for making printing consumables form significant difference, from
And " overexposure ", the occurrence probability of " owing to expose " are reduced, make the high-precision projection arrangement printing precision higher of photocuring printer.
In the present embodiment, polarizing coating 22 is rotatory polarization formula polarizing coating.Rotatory polarization（CPL）Formula polarizing coating is being filtered without using up
Afterwards, there will be the polarised light used up and formed circumferentially to rotate and form the round dot light of balance, the saturation degree higher of the round dot light, into
Type point is evenly.
Referring to Fig. 1, in the present embodiment, photocuring printer is installed in printer main body with high-precision projection arrangement, is beaten
Position regulator 62 is equipped with print owner's body, collector lens 3 is worked by position regulator 62 relative to Stereolithography
Move in face 43.The distance of collector lens and Stereolithography working face is adjusted using position regulator 62, optically focused can be controlled
Lens zoom in or out multiple.
Referring to Fig. 1, in the present embodiment, position regulator 62 is with female tubular member, is set in printer main body
There is position regulator installation position 61, position regulator installation position 61 is equipped with the external screw thread being adapted to the internal thread, and optically focused is saturating
Mirror 3 is installed in the tubular member, and 3 spinning of tubular member passes through tubular member and printing owner in position regulator installation position 61
The distance of the cooperation adjustment collector lens and Stereolithography working face of body.
Above-mentioned photocuring printer is with the course of work of high-precision projection arrangement：Above device is installed on photocuring to beat
In print machine, after starting photocuring printer, it is less than LCD screen in the resolution ratio of the cured type-script of Stereolithography working face
Resolution ratio, can be saturating by rotating clockwise or counterclockwise position regulator adjustment optically focused if wanting to adjust the resolution ratio of type-script
The distance of mirror and Stereolithography working face, can control collector lens zooms in or out multiple.Pay attention to：Photocuring should be controlled
Distance of the shaping work face 43 away from 3 optical center of lens is less than L.
Compared with prior art, above-mentioned photocuring printer is with the advantageous effects of high-precision projection arrangement：
1. the distance away from the optical center of lens is less than 2L and is not equal to using collector lens and setting Stereolithography working face
L, reduces the luminous point for being radiated at the light pattern at Stereolithography working face, corresponding, reduces the corresponding printing of the luminous point
The area of consumptive material, so as to improve the printing precision of photocuring printer projection arrangement；
2. the brightness of light and the curing rate for the printing consumables being contained in the magazine by making LCD screen transmission
Spectrum is adapted, and the curing area of printing consumables and uncured area is formed significant difference, and then is improved photocuring printer and thrown
The printing precision of image device.
Embodiment 2：Referring to Fig. 2, the present embodiment is identical with 1 major part of embodiment, and difference is, in the present embodiment,
The focal length of collector lens 3 is L, and distance of the Stereolithography working face 43 away from 3 optical center of lens is more than L and is less than 2L.This light
Cure printer is with the application notice of high-precision projection arrangement：Stereolithography working face 43 should be controlled away from the lens 3
The distance of optical center is less than 2L more than L.
Embodiment 3：A kind of photocuring printer projection arrangement, referring to Fig. 3, including：Shining for area source can be produced
Component 1, LCD screen 2, lens 3 and the magazine 4 with model separation photic zone 41, the directional light that luminescence component 1 is sent are vertical
Pattern light is formed after being irradiated in LCD screen 2, pattern light is along the key light direction of principal axis of lens 3 successively through the lens 3, model point
It is Stereolithography working face 43 in 41 side of model separation photic zone of the inner side of magazine 4 from being projected after photic zone 41, photocuring
Shaping work face 43 is parallel with LCD screen 2；In the present embodiment, when lens 3 are the collector lenses that focal length is L, the Stereolithography
The distance of optical center of the working face 43 away from the lens 3 is more than 2L.When lens 3 using collector lens when, Stereolithography working face away from
When the distance of the optical center of the lens is more than 2L, light pattern and the light pattern at LCD screen of Stereolithography working face are
Magnifying state.
In the present embodiment, LCD screen 2 is IPS formula screens.IPS formulas screen has 178 ° of wide viewing angles, and response speed is uniform,
Soft screen liquid crystal display is eliminated when being subject to ambient pressure and rocking, the fuzzy and water wave diffusion phenomena of appearance, can improve
Precision of the pattern light in the time and spatially, so as to improve the formed precision of 3D printer.
Referring to Fig. 5, in the present embodiment, close to 3 side of lens, the polarizing coating 22 that is bonded in LCD screen 2 there are 35 degree
Polarization angle, under the polarization angle, the brightness for the light that LCD screen 2 passes through and the printing that is contained in the magazine consume
The curing rate spectrum of material is adapted.In other embodiments, close to 3 side of lens, the polarization that is bonded in LCD screen 2
The polarization angle of film 22 can also be any value between 35~60 degree.Polarizing coating is used for contrast and the brightness for adjusting LCD screen；
For printing consumables when by light irradiation is cured, the light guide that cures of different brightness causes different curing rates occur, is polarized by setting
For the polarization angle of film to control the light transmittance of LCD screen luminous point, the curing area and uncured area for making printing consumables form obvious area
Not, so as to reduce " overexposure ", the occurrence probability of " owing to expose ", and then the printing precision of photocuring printer projection arrangement is improved.
In the present embodiment, polarizing coating 22 is rotatory polarization formula polarizing coating.Rotatory polarization（CPL）Formula polarizing coating is being filtered without using up
Afterwards, there will be the polarised light used up and formed circumferentially to rotate and form the round dot light of balance, the saturation degree higher of the round dot light, into
Type point is evenly.
Referring to Fig. 3, in the present embodiment, photocuring printer is installed in printer main body with projection arrangement, prints owner
Position regulator 62 is equipped with vivo, lens 3 are moved by position regulator 62 relative to Stereolithography working face 43.Adopt
With the distance of position regulator adjustment lens and Stereolithography working face, zooming in or out again for collector lens can be controlled
Number.
Referring to Fig. 3, in the present embodiment, position regulator 62 is with female tubular member, is set in printer main body
There is position regulator installation position 61, position regulator installation position 61 is equipped with the external screw thread being adapted to the internal thread, described
Mirror 3 is installed in the tubular member, and tubular member spinning passes through tubular member and printer main body on position regulator installation position 61
Cooperation adjustment lens and Stereolithography working face distance.By fixed lens and magazine can also be installed on position
Adjusting apparatus adjusts lens and the effect of Stereolithography working face distance to realize.
Compared with prior art, above-mentioned photocuring printer is with the advantageous effects of projection arrangement：Using lens pair
Pattern divergence of beam, so that the light pattern of Stereolithography working face is in a ratio of amplification shape with the light pattern at LCD screen
State, so as to print the 3D models for exceeding LCD screen specification.
Above-mentioned photocuring printer is with the course of work of projection arrangement：Above device is installed on photocuring printer
It is interior, after starting photocuring printer, it is more than the size of LCD screen in the size of the cured type-script of Stereolithography working face,
If wanting to adjust the size of type-script, collector lens and photocuring can be adjusted by rotating clockwise or counterclockwise position regulator
The distance in shaping work face, can control collector lens zooms in or out multiple.Pay attention to：Stereolithography working face should be controlled
43 distances away from 3 optical center of lens are more than 2L.
Embodiment 4：Referring to Fig. 4, the present embodiment is identical with 3 major part of embodiment, and difference is, in the present embodiment,
Lens 3 are concavees lens, and concavees lens have the effect of divergent lens, no longer need to consider to set Stereolithography working face 43 at this time
The distance between optical center of lens 3.
In embodiment 1-4, referring to Fig. 6, position regulator 62 is with female tubular member, in printer main body
Equipped with least three position regulator installation position 61,4 equally distributed position adjustments are equipped with printer main body in figure 6
Device installation position 61, position regulator installation position 61 are equipped with perforation, the interior tooth for being pivotally connected and having and being adapted to the internal thread of perforating
Wheel 611, the wheel shaft of gear 611 is provided with handwheel, and lens 3 are installed in the tubular member, and pipe is engaged by internal thread and gear
Shape part is installed on position regulator installation position 61, and collector lens and Stereolithography working face are adjusted by rotating handwheel
Distance.It should be understood that gear 611 can also be fixed on magazine 4, lens 3 are set to movable part.
Embodiment 5：A kind of high accuracy photocuring printer, referring to Fig. 7, including：Photochemical shown in embodiment 1 or 2 beats
Print machine is with high-precision projection arrangement, curing molding platform 8, control unit, XY to precise motion mechanism 71, Z-direction precise motion machine
Structure 72 and printer main body 9, luminescence component 1, LCD screen 2, the collector lens 3 that can produce area source are installed on printer
Inside main body 9, XY is horizontally installed with the upper surface of printer main body 9 to precise motion mechanism 71, for stress equalization, this reality
Apply and be mounted on XY at left and right sides of printer main body in example and be fixed on XY to precise motion to precise motion mechanism 71, magazine 4
On the moving component of mechanism 71, Z-direction precise motion mechanism 72 is installed in the upper surface of printer main body 9, shaped platform 8 is fixed
It can move on the moving component of Z-direction precise motion mechanism 72 and along perpendicular to the direction of Stereolithography working face 43；XY
It is electrically connected respectively with control unit successively to precise motion mechanism and Z-direction precise motion mechanism.
Wherein, there is German PI Corp. in the producer for producing precise motion mechanism, its product includes：Q-521 Q-Motion®
Q-521.330 least displacement 4nm ranks in small linear platform, stroke 32mm, is equipped with E-873 Q-Motion servos
Controller can realize Z-direction precise motion mechanism.U-723 PILine XY displacement platform stroke 22mm × 22mm, minimum stroke
0.1μm.XY can be selected as needed to precise motion mechanism, the model of Z-direction precise motion mechanism.
The course of work of above-mentioned high-resolution photocuring printer is：Printing consumables is poured into magazine, starts high-resolution
Rate photocuring prints host, drives magazine to be moved in XY to relative to imaging beam to precise motion mechanism by XY, so that real
The function of larger image formation by rays pattern area is now printed, curing molding platform is driven in Z-direction phase by Z-direction precise motion mechanism
Moved for Stereolithography working face, so as to fulfill the function of 3D printing.
It should be understood that XY in embodiment 5 is to precise motion mechanism 71, Z-direction precise motion mechanism 72 and embodiment 1-2
Any one of in position regulator 62 and conflict, can coexist, one of them can also be only existed.
The utility model is described in detail above in conjunction with drawings and examples, still, the skill of technical field
Art personnel, can also be to each specific in above-described embodiment it is understood that on the premise of the utility model aims are not departed from
Parameter make a change, forms multiple specific embodiments, is the common excursion of the utility model, no longer detailed one by one herein
State.
Claims (9)
1. a kind of high-precision projection arrangement of photocuring printer, including can produce the luminescence component of area source, LCD screen with
And with the euphotic magazine of model separation, it is characterised in that further include and be arranged between LCD screen and model separation photic zone
Collector lens so that the imaging beam cooperatively formed by the luminescence component, LCD screen is along the master parallel to the collector lens
Optical axis direction successively through the collector lens, model separation photic zone project after, can be in the model separation printing opacity on the inside of the magazine
Layer side forms the Stereolithography working face parallel with the LCD screen, and the Stereolithography working face is away from the lens
The distance of optical center is less than 2L and not equal to the focal length L of collector lens.
2. a kind of photocuring printer projection arrangement, including the luminescence component of area source, LCD screen can be produced and carried
The euphotic magazine of model separation, it is characterised in that further include be arranged on it is saturating between LCD screen and model separation photic zone
Mirror, so that by the imaging beam that the luminescence component, LCD screen cooperatively form along the key light direction of principal axis of the lens successively through being somebody's turn to do
After lens, model separation photic zone project, it can be formed and the LCD screen in the model separation photic zone side on the inside of the magazine
The parallel Stereolithography working face of curtain, and the focal length of the lens is L, when the lens are collector lens, the photocuring
The distance of the optical center of the shaping work identity distance lens is more than 2L, alternatively, the lens are divergent lens.
3. projection arrangement according to claim 1 or 2, it is characterised in that the LCD screen is IPS formula screens.
4. projection arrangement according to claim 1 or 2, it is characterised in that close to the lens side, described LCD
The polarizing coating being bonded on screen has 35~60 degree of polarization angle.
5. projection arrangement according to claim 4, it is characterised in that the polarizing coating is rotatory polarization formula polarizing coating.
6. projection arrangement according to claim 1 or 2, it is characterised in that the photocuring printer is projected with high accuracy
Device is installed in printer main body, is equipped with position regulator in the printer main body, the collector lens passes through position
Adjusting apparatus is moved relative to Stereolithography working face.
7. projection arrangement according to claim 6, it is characterised in that the position regulator is with female pipe
Shape part, printer main body is interior to be equipped with position regulator installation position, and the position regulator installation position is equipped with and the internal thread
The external screw thread of adaptation, the lens are installed in the tubular member, and the tubular member spinning is in the position regulator installation position
On, pass through tubular member and the distance of the cooperation adjustment collector lens and Stereolithography working face of printer main body.
8. projection arrangement according to claim 6, it is characterised in that the position regulator is with female pipe
Shape part, printer main body is interior to be equipped with least three position regulator installation position, and the position regulator installation position is equipped with and wears
Hole, the perforation is interior to be pivotally connected the gear for having and being adapted to the internal thread, and the wheel shaft of the gear is provided with for handsetting gear
The handwheel of rotation, the lens are installed in the tubular member, are pacified by tubular member described in the internal thread and the engaged gears
Loaded on the position regulator installation position, collector lens and Stereolithography working face are adjusted by stirring the handwheel
Distance.
9. a kind of high accuracy photocuring printer, including shaped platform, printer main body, it is characterised in that further include：Right will
The high-precision projection arrangement of photocuring printer described in 1, XY are asked to precise motion mechanism and Z-direction precise motion mechanism, institute
State the luminescence component that can produce area source, LCD screen, collector lens to be installed on inside printer main body, in the printer
The upper surface of main body is horizontally installed with XY to precise motion mechanism, and the magazine is fixed on the XY to the fortune of precise motion mechanism
On dynamic component, Z-direction precise motion mechanism is installed in the upper surface of the printer main body, the shaped platform is fixed on described
It can move on the moving component of Z-direction precise motion mechanism and along perpendicular to the direction of the Stereolithography working face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721435571.3U CN207359636U (en) | 2017-11-01 | 2017-11-01 | Projection device for photocuring printer and printer with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721435571.3U CN207359636U (en) | 2017-11-01 | 2017-11-01 | Projection device for photocuring printer and printer with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207359636U true CN207359636U (en) | 2018-05-15 |
Family
ID=62344894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721435571.3U Expired - Fee Related CN207359636U (en) | 2017-11-01 | 2017-11-01 | Projection device for photocuring printer and printer with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207359636U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107584758A (en) * | 2017-11-01 | 2018-01-16 | 郑州迈客美客电子科技有限公司 | Photocuring printer projecting method, projection arrangement and the printer with the device |
| CN109130534A (en) * | 2018-08-29 | 2019-01-04 | 华中科技大学 | A kind of multiaxis electric rotating spray printing platform |
| WO2020123168A1 (en) * | 2018-12-14 | 2020-06-18 | 3D Systems, Inc. | Precision optical assembly for three dimensional printing |
| US11207833B2 (en) | 2018-12-14 | 2021-12-28 | 3D Systems, Inc. | Precision optical assembly method for three dimensional printing |
| CN115674894A (en) * | 2022-11-10 | 2023-02-03 | 广东科视光学技术股份有限公司 | Offset printing light source, adjusting device, control system, control method and printing machine |
-
2017
- 2017-11-01 CN CN201721435571.3U patent/CN207359636U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107584758A (en) * | 2017-11-01 | 2018-01-16 | 郑州迈客美客电子科技有限公司 | Photocuring printer projecting method, projection arrangement and the printer with the device |
| CN109130534A (en) * | 2018-08-29 | 2019-01-04 | 华中科技大学 | A kind of multiaxis electric rotating spray printing platform |
| WO2020123168A1 (en) * | 2018-12-14 | 2020-06-18 | 3D Systems, Inc. | Precision optical assembly for three dimensional printing |
| US11207833B2 (en) | 2018-12-14 | 2021-12-28 | 3D Systems, Inc. | Precision optical assembly method for three dimensional printing |
| CN115674894A (en) * | 2022-11-10 | 2023-02-03 | 广东科视光学技术股份有限公司 | Offset printing light source, adjusting device, control system, control method and printing machine |
| CN115674894B (en) * | 2022-11-10 | 2024-01-30 | 广东科视光学技术股份有限公司 | Condensing lens, offset printing light source and printer |
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Address after: No. 973, 9th Floor, Newton International A Block, Middle Yangjin Road, Jinshui District, Zhengzhou City, Henan Province, 450000 Patentee after: ZHENGZHOU MICROMAKE ELECTRONIC TECHNOLOGY CO.,LTD. Address before: Kaiyuan Road 450000 Henan city of Zhengzhou province Huiji District No. 11 Patentee before: ZHENGZHOU MICROMAKE ELECTRONIC TECHNOLOGY CO.,LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 Termination date: 20211101 |