CN206690537U - It is a kind of to flow continuous supplementation DLP light curring units naturally - Google Patents
It is a kind of to flow continuous supplementation DLP light curring units naturally Download PDFInfo
- Publication number
- CN206690537U CN206690537U CN201720392321.XU CN201720392321U CN206690537U CN 206690537 U CN206690537 U CN 206690537U CN 201720392321 U CN201720392321 U CN 201720392321U CN 206690537 U CN206690537 U CN 206690537U
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- China
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- resin
- hopper
- photosensitive resin
- dlp
- resin hopper
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
Continuous supplementation DLP light curring units are flowed naturally the utility model discloses a kind of;Including inclined resin hopper, the shaped platform moving up and down being correspondingly arranged at directly over resin hopper, photosensitive resin storage device, the DLP projector being arranged on below resin hopper for being arranged on the high-end resin supplementary device of resin hopper, being arranged on resin hopper low side;Between the side plate and resin material groove bottom of the high-end side plate and low side of resin hopper, the parallel parallel channels offered for photosensitive resin flowing;Photosensitive resin in resin supplementary device flows along the whole bottom surface of resin hopper under gravity, and forms the uniform photosensitive resin layer of a layer thickness in the whole bottom surface of resin hopper;The present apparatus is easy to operate, realizes that being continuously replenished for resin material is continuously shaped, and relatively common DLP printers reduce the stand-by period of resin backflow, improves the manufacturing speed of DLP photocurings.
Description
Technical field
The rapid shaping field of DLP photocuring photosensitive resins is the utility model is related to, more particularly to a kind of flowing naturally connects
Continuous supplement DLP light curring units.
Background technology
Digital light processing (DLP) forming technique is one kind of increases material manufacturing technology, is the latest development of rapid shaping technique
Technology.The threedimensional model of part needs to carry out slicing treatment computing in master control system in the art, and threedimensional model is split
For a series of two-dimensional images, DLP projection system is controlled to realize the projection of image afterwards.Cross section figure is by present material layer
Each eyeglass corresponding to upper each pixel produces.This figure projects to ultraviolet curing liquid by DMD (DMD)
On the surface of photosensitive resin, it is cured or hardened in location of pixels.At the same time, control machinery motion is completed successively to print, so
The reciprocal making for finally realizing entity component.Because shaping speed is fast compared to other technologies, manufacturing time significantly shortens, therefore
DLP is one of most promising technology of increases material manufacturing technology.
Although DLP photocuring technologies are quickly grown, have started to be widely used in the necks such as industry, transport, mould and medical treatment
Domain, but the continuously shaped speed of DLP Stereolithography equipment is slow at present.Limit the further development of DLP photocuring technologies.
The content of the invention
The shortcomings that the purpose of this utility model is to overcome above-mentioned prior art and deficiency, there is provided a kind of flowing naturally is continuous
Supplement DLP light curring units.Realize the continuously shaped of DLP photocurings.
The utility model is achieved through the following technical solutions:
A kind of flowing continuous supplementation DLP light curring units naturally, including inclined resin hopper 10, it is correspondingly arranged at resin
The shaped platform moving up and down 11 of the surface of hopper 10, it is arranged on the high-end resin supplementary device 3 of resin hopper 10, sets
Photosensitive resin storage device 8 in the low side of resin hopper 10, the DLP projector 4 being arranged on below resin hopper 10;
Resin EGR 9, the resin EGR 9 are provided between photosensitive resin storage device 8 and resin supplementary device 3
For the photosensitive resin circulation in photosensitive resin storage device 8 to be transported in resin supplementary device 3;
It is parallel to offer between the side plate of the high-end side plate and low side of the resin hopper 10 and the bottom surface of resin hopper 10
For the parallel channels of photosensitive resin flowing;Photosensitive resin in resin supplementary device 3 is under gravity along resin hopper 10
Whole bottom surface flowing, and form the uniform photosensitive resin layer of a layer thickness in the whole bottom surface of resin hopper 10;
DLP projector 4 is used for the photosensitive resin layer that slice of data is projected to the bottom surface of resin hopper 10;Work as shaped platform
In 11 base level lowering to resin hopper 10, and between the bottom surface of resin hopper 10 during the gap of one shaping thickness of holding,
Basal plane of the photosensitive resin layer of flowing just with shaped platform 11 contacts, and solidifies current photosensitive resin layer and be attached to be molded to put down
On the basal plane of platform 11.
The shaped platform 11 is in the movement travel of Z-direction, residence time and between the bottom surface of resin hopper 10
Highly, the screw lift structure being made up of stepper motor 1 and screw mandrel 2 controls;The basal plane of shaped platform 11 and resin hopper 10
Bottom surface remains parallel.
The DLP projector 4 also includes an angle regulator 5, and the slice of data for adjusting DLP projector 4 is thrown
The depth of parallelism in shadow face and the bottom surface of resin hopper 10.
The resin EGR 9 is detachable mechanism, is assembled with resin hopper 10 during use.
Naturally the operation method for flowing continuous supplementation DLP light curring units, comprises the following steps:
Step 1:During photosensitive resin curing operation, the photosensitive resin in resin supplementary device 3 firstly flows through under gravity
The parallel channels of the high-end side plate of resin hopper 10,10 whole bottom surface of resin hopper is subsequently entered, at 10 whole bottom of resin hopper
After face forms the uniform photosensitive resin layer of a layer thickness, the parallel channels for being then passed through the low side side plate of resin hopper 10 enter light
Quick resin storage device 8;
Step 2:DLP projector 4 projects to slice of data on the photosensitive resin layer of the bottom surface of resin hopper 10;Now, control
Shaped platform 11 processed is dropped in resin hopper 10, and is kept between the bottom surface of the basal plane of shaped platform 11 and resin hopper 10
The gap of one shaping thickness;The photosensitive resin layer of flowing just completely attaches to the basal plane of shaped platform 11, makes to project to and works as
The cross section figure of workpiece on preceding photosensitive resin layer solidifies and is attached on the basal plane of shaped platform 11, the light not being projected to
Quick resin bed, which continues to flow in photosensitive resin storage device 8, to be stored, and then the curing operation of complete rear workpiece current layer;Next layer is consolidated
The photosensitive resin layer for being turned into industry is solidificated in the surface of last layer;
Step 3:Repetitive cycling step 1 completes the continuous Stereolithography operation of each layer of workpiece to step 2.
Naturally the operation method for flowing continuous supplementation DLP light curring units, in addition to a photosensitive resin circulation step
Suddenly:Resin EGR 9 is set between photosensitive resin storage device 8 and resin supplementary device 3, passes through resin EGR 9
Photosensitive resin circulation in photosensitive resin storage device 8 is transported in resin supplementary device 3, and then completes following for photosensitive resin
Ring.
The utility model is had the following advantages and effect relative to prior art:
Between the side plate of the high-end side plate and low side of the inclined resin hopper 10 of the utility model and the bottom surface of resin hopper 10,
The parallel parallel channels offered for photosensitive resin flowing;Photosensitive resin in resin supplementary device 3 edge under gravity
The flowing of 10 whole bottom surface of resin hopper, and the uniform photosensitive resin of a layer thickness is formed in the whole bottom surface of resin hopper 10
Layer.This topology layout, with reference to the cooperation with shaped platform, because photosensitive resin is in flow regime under gravity, protect
After demonstrate,proving each layer of resin solidification, shaped platform has liquid resin when being lifted is flowed among gap, realizes the continuous of DLP photocurings
Shaping.
According to the mobility of photosensitive resin, during by controlling hoisting depth and holding of the screw lift structure to shaped platform
Between, the shaped platform stand-by period adjustable change of different resins is realized, has saved the production time.
Brief description of the drawings
Fig. 1 is that the utility model flows continuous supplementation DLP light curring unit structural representations naturally.
Fig. 2 is resin hopper 10, resin supplementary device 3, the structural representation of photosensitive resin storage device 8 in Fig. 1.
Photosensitive resin flows continuous supplementation view naturally while Fig. 3 terminates the lifting of aftershaping platform for solidification.
Fig. 4 is the view that shaped platform carries out next layer cross section curing operation.
Embodiment
The utility model is more specifically described in detail with reference to specific embodiment.
Embodiment
As shown in Figures 1 to 4.Continuous supplementation DLP light curring units are flowed naturally the utility model discloses a kind of, including are inclined
Oblique resin hopper 10, the shaped platform moving up and down 11 being correspondingly arranged at directly over resin hopper 10, it is arranged on resin
The high-end resin supplementary device 3 of hopper 10, it is arranged on the photosensitive resin storage device 8 of the low side of resin hopper 10, is arranged on resin
The DLP projector 4 of the lower section of hopper 10;
Resin EGR 9, the resin EGR 9 are provided between photosensitive resin storage device 8 and resin supplementary device 3
For the photosensitive resin circulation in photosensitive resin storage device 8 to be transported in resin supplementary device 3;
It is parallel to offer between the side plate of the high-end side plate and low side of the resin hopper 10 and the bottom surface of resin hopper 10
For the parallel channels of photosensitive resin flowing;Photosensitive resin in resin supplementary device 3 is under gravity along resin hopper 10
Whole bottom surface flowing, and form the uniform photosensitive resin layer of a layer thickness in the whole bottom surface of resin hopper 10;
DLP projector 4 is used for the photosensitive resin layer that slice of data is projected to the bottom surface of resin hopper 10;Work as shaped platform
In 11 base level lowering to resin hopper 10, and between the bottom surface of resin hopper 10 during the gap of one shaping thickness of holding,
Basal plane of the photosensitive resin layer of flowing just with shaped platform 11 contacts, and solidifies current photosensitive resin layer and be attached to be molded to put down
On the basal plane of platform 11.
The shaped platform 11 is in the movement travel of Z-direction, residence time and between the bottom surface of resin hopper 10
Highly, the screw lift structure being made up of stepper motor 1 and screw mandrel 2 controls;The basal plane of shaped platform 11 and resin hopper 10
Bottom surface remains parallel.
The DLP projector 4 also includes an angle regulator 5, and the slice of data for adjusting DLP projector 4 is thrown
The depth of parallelism in shadow face and the bottom surface of resin hopper 10.
The resin EGR 9 is detachable mechanism, is assembled with resin hopper 10 during use.
The utility model flows the operation method of continuous supplementation DLP light curring units naturally, can be achieved by the steps of:
Step 1:During photosensitive resin curing operation, the photosensitive resin in resin supplementary device 3 firstly flows through under gravity
The parallel channels of the high-end side plate of resin hopper 10,10 whole bottom surface of resin hopper is subsequently entered, at 10 whole bottom of resin hopper
After face forms the uniform photosensitive resin layer of a layer thickness, the parallel channels for being then passed through the low side side plate of resin hopper 10 enter light
Quick resin storage device 8;
Step 2:DLP projector 4 projects to slice of data on the photosensitive resin layer of the bottom surface of resin hopper 10;Now, control
Shaped platform 11 processed is dropped in resin hopper 10, and is kept between the bottom surface of the basal plane of shaped platform 11 and resin hopper 10
The gap of one shaping thickness;The photosensitive resin layer of flowing just completely attaches to the basal plane of shaped platform 11, makes to project to and works as
The cross section figure of workpiece on preceding photosensitive resin layer solidifies and is attached on the basal plane of shaped platform 11, the light not being projected to
Quick resin bed, which continues to flow in photosensitive resin storage device 8, to be stored, and then the curing operation of complete rear workpiece current layer;Next layer is consolidated
The photosensitive resin layer for being turned into industry is solidificated in the surface of last layer;
Step 3:Repetitive cycling step 1 completes the continuous Stereolithography operation of each layer of workpiece to step 2.
According to the mobility of photosensitive resin, hoisting depth and the retention time of shaped platform 11 are controlled, realizes different resins
The adjustable change of shaped platform stand-by period, saved the production time.
Resin EGR 9 is set between photosensitive resin storage device 8 and resin supplementary device 3, circulated by resin
Photosensitive resin circulation in photosensitive resin storage device 8 is transported in resin supplementary device 3 by device 9, and then completes photosensitive tree
The circulation of fat.
As described above, it can preferably realize the utility model.
Embodiment of the present utility model is simultaneously not restricted to the described embodiments, and other are any without departing from of the present utility model
Spirit Essence with made under principle change, modification, replacement, combine, simplification, should be equivalent substitute mode, be included in
Within the scope of protection of the utility model.
Claims (4)
1. a kind of flow continuous supplementation DLP light curring units naturally, it is characterised in that:Including inclined resin hopper (10), right
The shaped platform moving up and down (11) directly over resin hopper (10) should be arranged on, to be arranged on resin hopper (10) high-end
Resin supplementary device (3), the photosensitive resin storage device (8) for being arranged on resin hopper (10) low side, it is arranged on resin hopper
(10) DLP projector (4) below;
Resin EGR (9), resin circulation dress are provided between photosensitive resin storage device (8) and resin supplementary device (3)
(9) are put to be used to the photosensitive resin circulation in photosensitive resin storage device (8) being transported in resin supplementary device (3);
It is parallel to offer between the side plate of the high-end side plate and low side of the resin hopper (10) and resin hopper (10) bottom surface
For the parallel channels of photosensitive resin flowing;Photosensitive resin in resin supplementary device (3) is under gravity along resin hopper
(10) whole bottom surface flowing, and form the uniform photosensitive resin layer of a layer thickness in the whole bottom surface of resin hopper (10);
DLP projector (4) is used for the photosensitive resin layer that slice of data is projected to resin hopper (10) bottom surface;Work as shaped platform
(11) in base level lowering to resin hopper (10), and kept for one be molded between thickness between the bottom surface of resin hopper (10)
During gap, the basal plane of the photosensitive resin layer of flowing just with shaped platform (11) contacts, and solidifies current photosensitive resin layer and adheres to
On the basal plane of shaped platform (11).
2. flow continuous supplementation DLP light curring units naturally according to claim 1, it is characterised in that:The shaped platform
(11) in the movement travel of Z-direction, residence time and the height between resin hopper (10) bottom surface, by stepper motor
(1) and screw mandrel (2) form screw lift structure control;The basal plane of shaped platform (11) and the bottom surface of resin hopper (10) are all the time
Keeping parallelism.
3. flow continuous supplementation DLP light curring units naturally according to claim 1, it is characterised in that:The DLP projector
(4) angle regulator (5) is also included, for adjusting slice of data perspective plane and the resin hopper of DLP projector (4)
(10) depth of parallelism of bottom surface.
4. flow continuous supplementation DLP light curring units naturally according to claim 3, it is characterised in that:The resin circulation
Device (9) is detachable mechanism, is assembled with resin hopper (10) during use.
Priority Applications (1)
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CN201720392321.XU CN206690537U (en) | 2017-04-14 | 2017-04-14 | It is a kind of to flow continuous supplementation DLP light curring units naturally |
Applications Claiming Priority (1)
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CN201720392321.XU CN206690537U (en) | 2017-04-14 | 2017-04-14 | It is a kind of to flow continuous supplementation DLP light curring units naturally |
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CN201720392321.XU Withdrawn - After Issue CN206690537U (en) | 2017-04-14 | 2017-04-14 | It is a kind of to flow continuous supplementation DLP light curring units naturally |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106945269A (en) * | 2017-04-14 | 2017-07-14 | 华南理工大学 | A kind of flowing continuous supplementation DLP light curring units and method naturally |
JPWO2021005858A1 (en) * | 2019-07-09 | 2021-01-14 |
-
2017
- 2017-04-14 CN CN201720392321.XU patent/CN206690537U/en not_active Withdrawn - After Issue
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106945269A (en) * | 2017-04-14 | 2017-07-14 | 华南理工大学 | A kind of flowing continuous supplementation DLP light curring units and method naturally |
CN106945269B (en) * | 2017-04-14 | 2019-10-18 | 华南理工大学 | It is a kind of to flow continuous supplementation DLP light curring unit and method naturally |
JPWO2021005858A1 (en) * | 2019-07-09 | 2021-01-14 | ||
JP7195435B2 (en) | 2019-07-09 | 2022-12-23 | 本田技研工業株式会社 | Stereolithography device |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20171201 Effective date of abandoning: 20191018 |