CN106926449A - Liquid containing tank, three-dimensional line printing device and three-dimensional line printing method - Google Patents
Liquid containing tank, three-dimensional line printing device and three-dimensional line printing method Download PDFInfo
- Publication number
- CN106926449A CN106926449A CN201610626787.1A CN201610626787A CN106926449A CN 106926449 A CN106926449 A CN 106926449A CN 201610626787 A CN201610626787 A CN 201610626787A CN 106926449 A CN106926449 A CN 106926449A
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- China
- Prior art keywords
- release layer
- flat board
- workpiece
- liquid containing
- containing groove
- Prior art date
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000007639 printing Methods 0.000 title claims description 17
- 239000012530 fluid Substances 0.000 claims abstract description 60
- 239000000463 material Substances 0.000 claims abstract description 27
- 238000010146 3D printing Methods 0.000 claims abstract description 18
- 239000007787 solid Substances 0.000 claims description 18
- 238000007493 shaping process Methods 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 19
- 230000009471 action Effects 0.000 description 8
- 230000001771 impaired effect Effects 0.000 description 5
- 238000007711 solidification Methods 0.000 description 5
- 230000008023 solidification Effects 0.000 description 5
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing 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
Abstract
A liquid containing groove is suitable for a three-dimensional printing device and is used for containing a liquid photosensitive material, and the liquid containing groove comprises a release layer and a flat plate. The release layer is provided with a workpiece forming area. The flat plate supports the release layer and is provided with a first area corresponding to the workpiece forming area and a second area beside the first area, and at least one fluid channel is arranged in the flat plate and extends from the surface of the flat plate connected to the release layer to the other surface of the flat plate. Therefore, the workpiece can be easily separated from the release film. In addition, the embodiment of the invention further provides another liquid containing tank, a three-dimensional printing device and a three-dimensional printing method.
Description
Technical field
The present invention is on a kind of printing device, particularly a kind of three-dimensional printing device and its liquid containing groove and the side of prining
Method.
Background technology
In known photocuring solid printing device, the accommodating trench bottom for housing photosensitive resin have mould release membrance and
The flat board of mould release membrance is supported, and during workpiece is printd, photosensitive resin can be hardened and fitted on mould release membrance, and then form work
Wherein one layer in part.In order to continue, be pulled upwardly for workpiece, it is necessary to exert a force by next layer of prining for workpiece, with separate workpiece with from
Type film, makes unhardened photosensitive resin refill between workpiece and mould release membrance.But, in known three-dimensional printing device,
Closed area can be formed between mould release membrance and flat board, cause workpiece separate during can produce low-pressure area so that workpiece with from
Type film is not readily separated.
Though and above mentioned problem can pass through the bigger pulling force of applying to separate workpiece and mould release membrance, bestow bigger drawing
Power often can cause workpiece to support and damage or mould release membrance is excessively pullled and deformed.
The content of the invention
The embodiment of the present invention provides a kind of three-dimensional printing device, so that workpiece is easy to be separated from release layer.
The liquid containing groove that the embodiment of the present invention is provided, it is adaptable to which solid is printd in equipment, with accommodating liquid photosensitive material
Material, liquid containing groove includes release layer and flat board.Release layer has a component shaping area.Flat support release layer, and tool
There are firstth area and the secondth area by the firstth area in corresponding component shaping area, flat board has an at least fluid passage from flat board
The surface for being connected to release layer extend to another surface of flat board.
The liquid containing groove of the embodiment of the present invention sets fluid passage or will be release by device is risen by flat board
Layer is risen and flat board is favoured into workpiece by motor, to utilize a fluid to balance the pressure of release layer both sides, and then eliminates off
Low pressure event between type layer and flat board.Therefore, the liquid containing groove of the embodiment of the present invention and three-dimensional printing device can make workpiece
Be easy to be separated with release layer, to avoid the problems such as workpiece is impaired, release layer deforms, but also can be lifted the three-dimensional speed printd and
Stability.
It is that the above-mentioned and other objects, features and advantages of the present invention can be become apparent, preferred embodiment cited below particularly,
And coordinate institute's accompanying drawings, it is described in detail below.
Brief description of the drawings
Fig. 1 illustrates the schematic diagram of the liquid containing groove of one embodiment of the invention；
Fig. 2A illustrates schematic diagram of the workpiece in the liquid containing groove by Fig. 1 from release UF membrane；
The workpiece that Fig. 2 B are illustrated in the liquid containing groove by another embodiment of the present invention divides from mould release membrance
From schematic diagram；
Fig. 3 A to Fig. 3 B illustrate the schematic diagram of the flat board of another two embodiment of the present invention；
Fig. 4 illustrates the schematic diagram of the liquid containing groove of another embodiment of the present invention；
Fig. 5 illustrates the illustrative view of Fig. 4 embodiments；And
Fig. 6 illustrates the schematic diagram of the three-dimensional printing device of one embodiment of the invention.
Fig. 7 illustrates another embodiment of the present invention and provides a kind of schematic diagram of three-dimensional printing device；
Fig. 7 A illustrate the schematic diagram that flat board with release layer separate；
Fig. 7 B illustrate the schematic diagram that the workpiece in liquid containing groove is separated from release layer；
Fig. 8 illustrates the schematic diagram that the flat board of another embodiment of the present invention and release layer are separate；
Fig. 9 illustrates another embodiment of the present invention and provides a kind of schematic diagram of three-dimensional printing device；
Fig. 9 A illustrate the schematic diagram that the flat board of another embodiment of the present invention and release layer are separate；
Fig. 9 B illustrate another embodiment of the present invention and the workpiece in liquid containing groove are separated from release layer
Schematic diagram；
Figure 10 illustrates the schematic diagram that the flat board of another embodiment of the present invention and release layer are separate；
Specific embodiment
Fig. 1 is referred to, the liquid containing groove 100 of the present embodiment prints equipment suitable for solid, to house liquid photosensitive
Material 10, liquid containing groove 100 includes release layer 110 and flat board 130.Release layer 110 has component shaping area R.This workpiece
Formation zone R is the region that the three-dimensional shaped beam for prining equipment offer can be irradiated to.Flat board 130 supports release layer 110, and tool
Having has at least one in the first area R1 and the second area R2 by the first area R1, the second area R2 of corresponding component shaping area R
Fluid passage 133 extends to another surface of flat board 130 from the surface 134 for being connected to release layer 110 of flat board 130, for example with
The relative surface 135 in surface 134.
Above-mentioned liquid containing groove 100 for example also includes multiple sides wall 120, and these side walls 120 are connected to release layer 110
Around, accommodation space 121 is formed wherein between side wall 120 and release layer 110, to house liquid photosensitive material 10.Additionally, release
The pliability film that layer 110 is made for soft materials, and can be with printing opacity.Release layer 110 be for example also equipped with low surface be stained with it is glutinous it
Characteristic.Specifically, the material of release layer 110 can be silica gel or polytetrafluoroethylene (PTFE), but be not limited.
Second area R2 is, for example, to surround to be arranged at around the first area R1, in another embodiment, on flat board 130 second
Area R2 can also be located at the side of the first area R1.Additionally, in the present embodiment, the quantity of the second area R2 fluid passages 133 be with
As a example by one.In other embodiments, multiple fluid passages 133 can be provided with the second area R2.In addition, the material of flat board 130
Matter can be glass, plastics, acryl or other the material of enough support forces can be provided.Flat board 130 is, for example, light-transmitting plate.Stream
Body passage 133 can extend to the surface relative with surface 134 of flat board 130 from the surface 134 of flat board 130 along straight line path
135。
Fig. 2A is referred to, the liquid photosensitive material 10 after irradiation solidification forms workpiece 20, this workpiece in component shaping area R
20 are attached in the forming platform 300 of three-dimensional equipment of prining.After forming workpiece 20, above carrying workpiece 20 by forming platform 300 can
So that positioned at the lower section of surface 135 of flat board 130 fluid F via fluid passage 133 flow into the surface 134 of flat board 130 with it is release
Between layer 110, the low pressure event between release layer 110 and flat board 130 is thereby eliminated, and then balance the pressure of the both sides of release layer 110.
And above carrying the pulling force that workpiece 20 applied only needs to overcome the adhesion between workpiece 20 and release layer 110, it is possible to by workpiece
20 separate from release layer 110, liquid photosensitive material 10 is filled between workpiece 20 and release layer 110, to carry out next layer
Print step.Therefore, needed for the liquid containing groove 100 of the present embodiment can significantly reduce and workpiece 20 is separated from release layer 110
The pulling force of applying, to avoid the problems such as workpiece 20 is impaired, release layer 110 deforms.
Fig. 2 B are referred to, in another embodiment, liquid containing groove 100a can more include fluid drive apparatus 140, example
Such as it is a motor, this fluid drive apparatus 140 links fluid passage 133, to order about fluid F turnover fluid passage 133.It is specific and
Speech, after each layer of workpiece 20 is formed, fluid drive apparatus 140 drive fluid F to enter fluid passage 133, flow into fluid F flat
Between the surface 134 of plate 130 and release layer 110, the low pressure event between release layer 110 and flat board 130 can be thereby eliminated, and then
The pressure of balance release layer 110 both sides, is separated workpiece 20 from release layer 110 with profit.Afterwards, fluid drive apparatus 140 more may be used
So that the fluid F between the surface 134 of flat board 130 and release layer 110 is discharged via fluid passage 133, to make release layer 140 easy
In smooth in flat board 130, it is to avoid fluid F is remained between the surface 134 of flat board 130 and release layer 110, to maintain subsequently to print
Precision.Fluid F can be gas, and gaseous species can be air, nitrogen or other common be used in process technique
Various gas.Additionally, fluid F can also replace with liquid, such as water depending on demand.
In other embodiments, fluid passage 133a can also be extended to from the surface 134 of flat board 130a along serpentine path
The surface 135 relative with surface 134 of flat board 130a, as shown in Figure 3A.Fluid passage 133b can also be from flat board 130b it
Surface 134 extends to the surface 136 being connected with surface 134 of flat board 130b, as shown in Figure 3 B.
Refer to Fig. 4, another embodiment of the present invention provides a kind of liquid containing groove 100b, it is applied to solid and prints equipment
In, to house liquid photosensitive material 10.Liquid containing groove 100b includes that release layer 110, flat board 130c and at least rise dress
Put 150.Liquid containing groove 100b may also include multiple side walls 120, wherein the detail structure of release layer 110 and side wall 120 with it is upper
State embodiment similar, will not be repeated here.The liquid containing groove 100b of the present embodiment and the main difference of aforesaid liquid storage tank 100
Different to be, the flat board 130c on support release layer 110 surface 112 does not have above-mentioned fluid passage, and rises device 150 and be arranged at
By flat board 130c, and support the surface 112 of release layer 110.Rise device 150 to be used to rise release layer 110, promote release layer
110 at least a portion is separated with flat board 130c.
And by taking Fig. 4 as an example, device 150 is risen for two, and it is symmetrically disposed in the both sides of flat board 130c.Rise device
150 can also be one, be arranged at flat board 130c sides (not illustrating).It more can be multiple to rise device 150, and circumferentially
It is arranged on around flat board 130c (do not illustrate).Rising device 150 can be arranged at around flat board 130c as set out above, but
It is not only restricted to this.
Fig. 5 is referred to, after the irradiation of liquid photosensitive material 10 forms workpiece 20, is risen to be moved on device 150 and is supported release layer 110
Surface 112, and rise release layer 110 and release layer 110 is separated with flat board 130c.Consequently, it is possible to fluid F can flow into flat board
Between the surface 112 of 130c and release layer 110, the low pressure event between release layer 110 and flat board 130cc, Jin Erping are thereby eliminated
The pressure of weighing apparatus release layer 110 both sides so that the pulling force applied with release layer 110 for separating workpiece 20 can effectively drop
It is low, to avoid the problems such as workpiece 20 is impaired, release layer 110 deforms.Additionally, rise device 150 can also application first state flat board
In each embodiment with fluid passage.
Refer to Fig. 6, one embodiment of the invention provides a kind of three-dimensional printing device 400, it include light supply apparatus 200, on
One of liquid containing groove described in forming platform 300 and the various embodiments described above stated, and Fig. 6 is with the liquid shown in Fig. 1
As a example by body storage tank 100.Liquid containing groove 100 is used to accommodating liquid photosensitive material 10, and light supply apparatus 200 is configured at liquid and houses
The lower section of groove 100, component shaping area R is irradiated to provide shaped beam I through flat board 130 and release layer 110.Light supply apparatus
200 is, for example, digital light processing (digital light processing, DLP) projection arrangement or the projection dress of other species
(such as LCOS, LCD) is put, but is not limited.Forming platform 300 is configured at the release layer of liquid containing groove 100 with flat board 130
110 opposite sides, wherein forming platform 300 are suitable to be moved towards the direction away from and close to release layer 110.
Workpiece 20 is formed after the irradiation of liquid photosensitive material 10 in component shaping area R, and workpiece 20 is attached to forming platform
On 300.Forming platform 300 towards away from the direction movement of release layer 110 to promote on workpiece 20 shift-in with 110 points of release layer
From.In workpiece 20 and the separation process of release layer 110, fluid passage 133 can eliminate the low pressure between release layer 110 and flat board 130
Phenomenon, and then balance the pressure between the both sides of release layer 110.Therefore, the pulling force for being applied only need to overcome workpiece 20 with it is release
Adhesion between layer 110, it is possible to separate workpiece 20 and release layer 110, make liquid photosensitive material 10 be filled in workpiece 20 with
Between release layer 110, so as to step of subsequently being printd.
Fig. 7 is referred to, another embodiment of the present invention provides a kind of three-dimensional printing device 400a, and it includes liquid containing groove
100 and motor 160.Liquid containing groove 100 houses liquid photosensitive material 10.Liquid containing groove 100 includes release layer 110, puts down
Plate 130.Liquid containing groove 100 can also include multiple sides wall 120, the wherein thin portion of release layer 110, side wall 120 and flat board 130
Construction is similar to the embodiment shown in Fig. 1 to Fig. 3 B, will not be repeated here.The solid printing device 400a of the present embodiment with it is above-mentioned
The Main Differences of three-dimensional printing device 400 are that the collocation of fluid passage 133 through the flat board 130 of support release layer 110 is located at
Motor 160 below release layer 110, side wall 120 and flat board 130 these three components makes workpiece 20 be easy to from release layer to reach
110 separate purposes.
In the present embodiment, motor 160 is for example provided on side wall 120, and pivot 162 of arranging in pairs or groups be disposed therein it is another
On side wall 120, but the present invention is not limited thereto, and in other embodiments, motor 160 is for example provided in liquid and houses
On wherein one end of the opposite end of the flat board 130 of groove 100, and the demand of the visual actual conditions of allocation position of motor 160 and
It is arranged on the side wall 120 of not homonymy.
It is the schematic diagram that flat board 130 with release layer 110 separate to refer to Fig. 7 A and Fig. 7 B, Fig. 7 A.Fig. 7 B are to hold liquid
Put the schematic diagram that the workpiece 20 in groove 100 from release layer 110 separate.As shown in Figure 7 A, the liquid photosensitive material after irradiation solidification
10 form workpiece 20 in component shaping area R, and this workpiece 20 is attached in the forming platform 300 of three-dimensional equipment of prining.Form work
After part 20, the action of drop-down traction is carried out by 160 pairs of one of them side walls 120 of motor, and opposite side wall 120 wherein is then opened
Begin along pivot 162 and to drive flat board 130 to be rotated, now, at least a portion of flat board 130 gradually with 110 points of release layer
From and with producing spacing G1 between workpiece 20 so that the surface 134 of flat board 130 favours the contact surface 201, Jin Er of workpiece 20
There is angle theta 1 between the surface 134 of flat board 130 and the contact surface 201 of workpiece 20, make to be located at the lower section of surface 135 of flat board 130
Fluid F flowed between the surface 134 of flat board 130 and release layer 110 via the edge of fluid passage 133 and flat board 130, by
This eliminates the low pressure event between release layer 110 and flat board 130, and then balances the pressure of the both sides of release layer 110.
As shown in Figure 7 B, release layer 110 can produce shearing component, now, then above carry workpiece 20 by forming platform 300,
Shearing component can be such that release layer 110 is separated from workpiece 20 along contact surface 201, then liquid photosensitive material 10 is filled in workpiece 20
Between release layer 110, to carry out next stratose print step.It is noted that because the solid of the present embodiment is printd dress
It is that fluid passage 133 simultaneously through flat board 130 and motor 160 are separated from release layer 110 reaching workpiece 20 to put 400a, because
This, except can significantly reduce by workpiece 20 from release layer 110 separate needed for applying pulling force, with avoid workpiece 20 it is impaired, from
Outside the problems such as type layer 110 deforms, also can it is upper carry workpiece 20 when, can at faster speed by workpiece 20 from 110 points of release layer
From effectively reduction forms the time of workpiece 20, and will be also substantially improved for the yield of large area component shaping.
In the present embodiment, the scope of angle theta 1 between the surface 134 of flat board 130 and the contact surface 201 of workpiece 20 is for example
It is that between 0 degree and 5 degree, but the present invention is not limited thereto, in one embodiment, the scope of angle theta 1 is, for example, between 0 degree
And between 10 degree.In another embodiment, the scope of angle theta 1 is, for example, between 0 degree and 30 degree.In the present embodiment, flat board
Spacing G1 scopes between 130 at least a portion and workpiece 20 are, for example, that between 0 millimeter and 15 millimeters, but the present invention is simultaneously
Be not limited, in one embodiment, spacing G1 scopes be, for example, between 0 millimeter and 20 millimeters, in another embodiment,
Spacing G1 scopes are, for example, between 0 millimeter and 30 millimeters.Additionally, the motor 160 of the present embodiment is, for example, stepper motor, but
The present invention is not limited thereto.In one embodiment, it is also possible to pass through other draw-gears, e.g. voice coil motor, spring
Or piezoelectric is realized being not limited thereto with the identical effect of motor 160, but the present invention, and flat board 130 can be caused such as
Surface 134 favour the component of the contact surface 201 of workpiece 20 and can all use.
Refer to Fig. 8, the schematic diagram that Fig. 8 with release layer 110 separate for the flat board 130 of another embodiment of the present invention.Such as Fig. 8
Shown, the liquid photosensitive material 10 after irradiation solidification forms workpiece 20 in component shaping area R and is attached to forming platform 300
On.After forming workpiece 20, workpiece 20 is above carried by forming platform 300, now, flat board 130 is gradually separated with release layer 110, is made
Fluid F positioned at the lower section of surface 135 of flat board 130 flows into surface 134 and the release layer 110 of flat board 130 via fluid passage 133
Between, the low pressure event between release layer 110 and flat board 130 is thereby eliminated, and then balance the pressure of the both sides of release layer 110.
After flat board 130 is separated with release layer 110 via workpiece 20 is above carried in the forming platform 300 shown in Fig. 8, then by
The action of drop-down traction is carried out by 160 pairs of one of them side walls 120 of motor, and opposite side wall 120 wherein then starts along pivot
Axle 162 simultaneously drives flat board 130 to be rotated, now, the surface 134 of flat board 130 gradually favour the contact surface 201 of workpiece 20 and
With angle theta 1, and workpiece 20 separated from release layer 110 simultaneously, liquid photosensitive material 10 is filled in workpiece 20 and release layer
Between 110, to carry out next stratose print step.What the action of above-mentioned drop-down traction and workpiece 20 from release layer 110 separate
Action refer to Fig. 7 A and Fig. 7 B.
Fig. 9 is referred to, another embodiment of the present invention provides a kind of three-dimensional printing device 400b, and it includes liquid containing groove
100 and motor 160b.Liquid containing groove 100 houses liquid photosensitive material 10.Liquid containing groove 100 includes release layer 110, puts down
Plate 130.Liquid containing groove 100 can also include multiple sides wall 120, the wherein thin portion of release layer 110, side wall 120 and flat board 130
Construction is similar to the embodiment shown in Fig. 1 to Fig. 3 B, will not be repeated here.The solid printing device 400b of the present embodiment with it is above-mentioned
The Main Differences of three-dimensional printing device 400a are that motor 160b is arranged on shaped platform 300.Additionally, the present embodiment is vertical
Body printing device 400b is equally the collocation of fluid passage 133 through the flat board 130 of support release layer 110 positioned at shaped platform
Motor 160b on 300 makes workpiece 20 be easy to the purpose for from release layer 110 separate to reach.
In the present embodiment, motor 160b is for example disposed on one end of shaped platform 300, and pivot 164 is, for example, to set
Put and be not limited thereto in the relative other end of shaped platform 300, but the present invention.
Refer to the signal that Fig. 9 A and Fig. 9 B, Fig. 9 A with release layer 110 separate for the flat board 130 of another embodiment of the present invention
Figure.Fig. 9 B are the schematic diagram that the workpiece 20 in liquid containing groove 100 is separated from release layer 110 of another embodiment of the present invention.
As shown in Figure 9 A, the liquid photosensitive material 10 after irradiation solidification forms workpiece 20 in component shaping area R, and this workpiece 20 is attached to
In forming platform 300.After forming workpiece 20, to one end of shaped platform 300 pull up the action of traction by motor 160b,
And the other end of shaped platform 300 then starts along pivot 164 and drives shaped platform 300 to be rotated, now, flat board 130
At least a portion gradually separated with release layer 110 and spacing G2 produced between workpiece 20 so that the surface 134 of flat board 130
Favour workpiece 20 with the contact surface 201 contacted with release layer 110, and then in the surface 134 of flat board 130 and workpiece 20
There is angle theta 2 between contact surface 201, make to be located at the fluid F of the lower section of surface 135 of flat board 130 via fluid passage 133 and
The edge of flat board 130 is flowed between the surface 134 of flat board 130 and release layer 110, is thereby eliminated between release layer 110 and flat board 130
Low pressure event, and then balance the pressure of release layer 110 both sides.
As shown in Figure 9 B, release layer 110 can produce shearing component, now, then above carry workpiece 20 by forming platform 300,
Workpiece 20 can just be separated from release layer 110, then liquid photosensitive material 10 is filled between workpiece 20 and release layer 110,
To carry out next stratose print step.It is noted that because the solid printing device 400b of the present embodiment is to pass through simultaneously
The fluid passage 133 of flat board 130 and motor 160b are separated from release layer 110 reaching workpiece 20, therefore, except can be significantly
The pulling force applied needed for workpiece 20 is separated from release layer 110 is reduced, to avoid impaired, deformation of release layer 110 of workpiece 20 etc. from asking
Outlying, also can it is upper carry workpiece 20 when, workpiece 20 can be separated from release layer 110 at faster speed, effectively reduce formed
The time of workpiece 20, and will be also substantially improved for the yield of large area component shaping.
In the present embodiment, the scope of angle theta 2 between the surface 134 of flat board 130 and the contact surface 201 of workpiece 20 is for example
It is that between 0 degree and 5 degree, but the present invention is not limited thereto, in one embodiment, the scope of angle theta 2 is, for example, between 0 degree
And between 10 degree.In another embodiment, the scope of angle theta 2 is, for example, between 0 degree and 30 degree.In the present embodiment, flat board
Spacing G2 scopes between 130 at least a portion and workpiece 20 are, for example, that between 0 millimeter and 15 millimeters, but the present invention is simultaneously
It is not limited, in other embodiments, spacing G2 scopes are, for example, between 0 millimeter and 20 millimeters, in another implementation
In example, spacing G2 scopes are, for example, between 0 millimeter and 30 millimeters.Additionally, the motor 160b of the present embodiment is, for example, stepping
Motor, but the present invention is not limited thereto.It is noted that in other embodiments, it is also possible to through other traction dresses
Put, e.g. voice coil motor, spring or piezoelectric come realize with motor 160b identical effects, but the present invention is not with this
It is limited, the component on the surface 134 that the contact surface 201 of workpiece 20 favours flat board 130 can be caused such as can all be used.
Refer to Figure 10, the schematic diagram that Figure 10 with release layer 110 separate for the flat board 130 of another embodiment of the present invention.Such as
Shown in Figure 10, the liquid photosensitive material 10 after irradiation solidification forms workpiece 20 in component shaping area R and is attached to forming platform
On 300.After forming workpiece 20, workpiece 20 is above carried by forming platform 300, now, flat board 130 is gradually separated with release layer 110,
Make the fluid F being located at below the surface 135 of flat board 130 that surface 134 and the release layer of flat board 130 are flowed into via fluid passage 133
Between 110, the low pressure event between release layer 110 and flat board 130 is thereby eliminated, and then balance the pressure of the both sides of release layer 110.
After flat board 130 is separated with release layer 110 via workpiece 20 is above carried in the shape platform 300 shown in Figure 10, then by
To one end of shaped platform 300 pull up the action of traction by motor 160b, and the other end of shaped platform 300 then starts edge
Pivot 164 and drive shaped platform 300 to be rotated, now, the contact surface of the workpiece 20 being attached on shaped platform 300
201 surfaces 134 for gradually favouring flat board 130 and there is angle theta 2, and workpiece 20 separated from release layer 110 simultaneously, make liquid
State light-sensitive material 10 is filled between workpiece 20 and release layer 110, to carry out next stratose print step.Above-mentioned pull-up traction
The action that action and workpiece 20 from release layer 110 separate refer to Fig. 9 A and Fig. 9 B.
Specifically, shown in the solid printing device 400a and Fig. 9 to Figure 10 shown in above-mentioned Fig. 7 to Fig. 8 it
Three-dimensional printing device 400b can be all applied among the framework of solid printing device 400 as shown in Figure 6.
One embodiment of the invention proposes a kind of three-dimensional column printing method, to eliminate release layer and use during being printd in solid
With the low-pressure area between the flat board for supporting release layer.The method includes for fluid being gradually introduced whole low pressure from the part of low-pressure area
Area.Specifically, the fluid passage 133 by flat board 130 that can be as shown in Figure 2 A is by fluid F from release layer 110 and flat board 130
Between the part of connection fluid passage 133 of low-pressure area be gradually introduced whole low-pressure area, and/or, it is as shown in Figure 5 by setting
By flat board 130c at least one rises device 150, supports the surface 112 of release layer 110, to rise release layer 112, promotes
Fluid F is gradually introduced in whole low-pressure area from the edge of low-pressure area.In addition, can be also arranged at as shown in Fig. 7 or Fig. 9
Put the motor 160 on side wall 120 (or flat board 130) or the motor 160b being arranged on shaped platform 300, make flat board 130 with
There is angle theta 1 (or angle theta 2) between release layer 100, promote workpiece 20 faster to be separated from release layer 110.
In summary the embodiment, the embodiment of the present invention through the fluid passage on flat board or through rising device,
The low pressure event between release layer and flat board is eliminated, and then is effectively reduced the pulling force needed for separating workpiece, to avoid workpiece from being damaged,
The problems such as release layer deforms, but also the three-dimensional speed and stability printd can be lifted, and it is good for large area component shaping
Rate will also be substantially improved.
Although the present invention is disclosed above with preferred embodiment, so it is not limited to the present invention, skill belonging to the present invention
Have usually intellectual in art field, without departing from the spirit and scope of the invention, when can make a little change with retouching, because
This protection scope of the present invention ought be defined depending on as defined in claim.
Claims (12)
1. a kind of liquid containing groove, it is adaptable to which a solid is printd in equipment, to house a liquid photosensitive material, the liquid containing groove
Including：
One release layer, with a component shaping area；And
One flat board, supports the release layer, and with to should component shaping area one first area and by firstth area
There is an at least fluid passage to extend to this from the surface for being connected to the release layer of the flat board in one second area, the flat board to put down
Another surface of plate.
2. liquid containing groove as claimed in claim 1, it is characterised in that liquid containing groove further includes a fluid drive apparatus,
Link an at least fluid passage, an at least fluid passage is passed in and out to order about a fluid.
3. liquid containing groove as claimed in claim 2, it is characterised in that the fluid is gas or liquid.
4. liquid containing groove as claimed in claim 1, it is characterised in that the fluid passage meets one of following condition：(1) from
Path extends to another surface of the flat board along a straight line on the surface of the flat board；(2) wriggled along one from the surface of the flat board
Yan paths extend to another surface of the flat board.
5. a kind of liquid containing groove, it is adaptable to which a solid is printd in equipment, to house a liquid photosensitive material, the liquid containing groove
Including：
One release layer, with a component shaping area；
One flat board, supports a surface of the release layer；And
At least one rises device, is arranged at by the flat board, and supports the surface of the release layer, and this at least one is risen device and be used to
The release layer is risen, promotes at least a portion of the release layer to be separated with the flat board.
6. liquid containing groove as claimed in claim 5, it is characterised in that it is multiple that this rises device, and those rise device
Symmetrically or circumferentially it is arranged at around the flat board.
7. a kind of three-dimensional printing device, including：
Just like the liquid containing groove any one of claim 1 to 6, and the liquid containing groove includes a forming platform, should
Forming platform is suitable to be moved towards the direction away from and close to the release layer；And
One motor, is used to pull the liquid containing groove or the forming platform and make a surface of the flat board favour the one of a workpiece
Contact surface and there is an angle.
8. solid printing device as claimed in claim 7, it is characterised in that the angle meets one of following condition：(1) between
Between 0 degree and 5 degree；(2) between 0 degree and 10 degree；(3) between 0 degree and 30 degree.
9. solid printing device as claimed in claim 7, it is characterised in that between at least one of flat board and the workpiece
With a spacing, the spacing meets one of following condition：(1) scope of the spacing is between 0 millimeter and 15 millimeters；(2) should
The scope of spacing is between 0 millimeter and 20 millimeters；(3) scope of the spacing is between 0 millimeter and 30 millimeters.
10. a kind of method that solid is printd, to eliminate a release layer in prining a workpiece fabrication in solid and be used to support this
A low-pressure area between one flat board of release layer, the method includes for a fluid being gradually introduced whole being somebody's turn to do from the part of the low-pressure area
Low-pressure area.
11. solid column printing methods as claimed in claim 10, it is characterised in that the method comprise the following steps at least within it
One：
The fluid is gradually introduced from the part of the connection of the low-pressure area fluid passage by a fluid passage of the flat board whole
The individual low-pressure area；And
Device is risen by be arranged at by the flat board at least one, a surface of the release layer is supported, to rise the release layer, promoted
The fluid is set to be gradually introduced in the whole low-pressure area from the edge of the low-pressure area.
The 12. three-dimensional column printing method as described in claim 10 or 11, wherein the method also comprises the following steps：
Make that there is an angle between the flat board and the workpiece by the pulling of a motor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| TW104144282 | 2015-12-29 | ||
| TW104144282 | 2015-12-29 |
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| CN106926449A true CN106926449A (en) | 2017-07-07 |
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| CN201610626787.1A Active CN106926449B (en) | 2015-12-29 | 2016-08-03 | Liquid containing tank, three-dimensional line printing device and three-dimensional line printing method |
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| CN (1) | CN106926449B (en) |
| TW (1) | TWI728984B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| TWI728984B (en) | 2021-06-01 |
| TW201722693A (en) | 2017-07-01 |
| CN106926449B (en) | 2021-02-19 |
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